Open Access
Table A.2
Aspect data for new observations from 2020–2021.
| Date | r | Δ | α | λ | β | N | Observatory |
|---|---|---|---|---|---|---|---|
| [au] | [au] | [deg] | [deg] | [deg] | |||
| 2020 12 25.0 | 1.032 | 0.251 | 72.0 | 179.3 | −13.7 | 21 | Wise, Israel |
| 2021 01 06.0 | 1.058 | 0.228 | 65.0 | 182.2 | −15.6 | 52 | Wise, Israel |
| 2021 01 09.0 | 1.063 | 0.221 | 63.2 | 182.7 | −16.1 | 18 | Wise, Israel |
| 2021 01 10.0 | 1.065 | 0.219 | 62.5 | 182.9 | −16.3 | 35 | Wise, Israel |
| 2021 01 15.3 | 1.074 | 0.206 | 59.0 | 183.4 | −17.3 | 48 | TRAPPIST-South |
| 2021 01 16.3 | 1.075 | 0.204 | 58.3 | 183.4 | −17.5 | 56 | TRAPPIST-South |
| 2021 01 18.4 | 1.078 | 0.198 | 56.8 | 183.5 | −17.9 | 13 | TRAPPIST-South |
| 2021 01 19.3 | 1.079 | 0.196 | 56.2 | 183.4 | −18.1 | 62 | TRAPPIST-South |
| 2021 01 20.2 | 1.081 | 0.194 | 55.5 | 183.4 | −18.3 | 48 | TRAPPIST-North |
| 2021 01 20.3 | 1.081 | 0.193 | 55.4 | 183.4 | −18.3 | 61 | TRAPPIST-South |
| 2021 01 21.3 | 1.082 | 0.191 | 54.6 | 183.3 | −18.5 | 62 | TRAPPIST-South |
| 2021 01 22.2 | 1.083 | 0.188 | 53.9 | 183.3 | −18.7 | 59 | TRAPPIST-North |
| 2021 01 22.2 | 1.083 | 0.188 | 53.9 | 183.3 | −18.7 | 42 | TRAPPIST-South |
| 2021 01 23.2 | 1.084 | 0.186 | 53.2 | 183.2 | −18.9 | 65 | TRAPPIST-North |
| 2021 01 23.2 | 1.084 | 0.186 | 53.1 | 183.2 | −18.9 | 81 | TRAPPIST-South |
| 2021 01 24.2 | 1.086 | 0.183 | 52.3 | 183.0 | −19.1 | 57 | TRAPPIST-North |
| 2021 01 25.2 | 1.087 | 0.181 | 51.5 | 182.9 | −19.4 | 46 | TRAPPIST-North |
| 2021 01 25.3 | 1.087 | 0.180 | 51.4 | 182.9 | −19.4 | 28 | TRAPPIST-South |
| 2021 02 06.2 | 1.096 | 0.150 | 40.1 | 178.5 | −22.0 | 55 | EABA, Argentina |
| 2021 02 07.2 | 1.097 | 0.148 | 39.1 | 177.9 | −22.2 | 64 | EABA, Argentina |
| 2021 02 09.1 | 1.098 | 0.143 | 36.9 | 176.6 | −22.6 | 35 | TRAPPIST-South |
| 2021 02 09.2 | 1.098 | 0.143 | 36.9 | 176.6 | −22.6 | 30 | TRAPPIST-South |
| 2021 02 10.2 | 1.098 | 0.141 | 35.7 | 175.8 | −22.8 | 208 | TRAPPIST-South |
| 2021 02 11.3 | 1.098 | 0.139 | 34.4 | 174.9 | −23.0 | 36 | RBT/PST2 (2x) |
| 2021 02 12.2 | 1.099 | 0.137 | 33.4 | 174.1 | −23.1 | 202 | TRAPPIST-South |
| 2021 02 12.3 | 1.099 | 0.137 | 33.3 | 174.1 | −23.2 | 18 | RBT/PST2 (2x) |
| 2021 02 12.7 | 1.099 | 0.136 | 32.8 | 173.7 | −23.2 | 9 | PROMPT-1, Chile |
| 2021 02 13.2 | 1.099 | 0.135 | 32.2 | 173.2 | −23.3 | 198 | TRAPPIST-South |
| 2021 02 13.3 | 1.099 | 0.135 | 32.2 | 173.2 | −23.3 | 154 | EABA, Argentina |
| 2021 02 14.1 | 1.099 | 0.133 | 31.2 | 172.5 | −23.4 | 121 | TRAPPIST-North |
| 2021 02 14.3 | 1.099 | 0.133 | 31.0 | 172.2 | −23.5 | 97 | TRAPPIST-South |
| 2021 02 15.1 | 1.099 | 0.131 | 30.0 | 171.4 | −23.6 | 131 | EABA, Argentina |
| 2021 02 15.1 | 1.099 | 0.131 | 30.1 | 171.4 | −23.6 | 58 | TRAPPIST-South |
| 2021 02 17.2 | 1.099 | 0.127 | 27.7 | 169.2 | −23.8 | 208 | EABA, Argentina |
| 2021 02 17.4 | 1.099 | 0.127 | 27.5 | 169.0 | −23.8 | 12 | RBT/PST2 |
| 2021 02 18.4 | 1.099 | 0.126 | 26.5 | 167.9 | −23.9 | 29 | RBT/PST2 |
| 2021 02 18.7 | 1.099 | 0.125 | 26.2 | 167.6 | −23.9 | 9 | PROMPT-1, Chile (2x) |
| 2021 02 19.0 | 1.099 | 0.125 | 25.9 | 167.2 | −23.9 | 36 | Suhora, Poland |
| 2021 02 19.1 | 1.099 | 0.124 | 25.7 | 167.0 | −23.9 | 91 | TRAPPIST-South |
| 2021 02 19.3 | 1.099 | 0.124 | 25.5 | 166.8 | −23.9 | 44 | RBT/PST2 (2x) |
| 2021 02 21.0 | 1.099 | 0.122 | 23.9 | 164.7 | −23.9 | 50 | Wise, Israel |
| 2021 02 21.0 | 1.099 | 0.122 | 23.9 | 164.7 | −23.9 | 12 | Suhora, Poland |
| 2021 02 21.1 | 1.099 | 0.122 | 23.9 | 164.7 | −23.9 | 12 | TRAPPIST-South |
| 2021 02 21.4 | 1.099 | 0.121 | 23.6 | 164.2 | −23.9 | 19 | RBT/PST2 |
| 2021 02 22.0 | 1.099 | 0.120 | 23.2 | 163.5 | −23.9 | 57 | Wise, Israel |
| 2021 02 22.7 | 1.098 | 0.120 | 22.7 | 162.6 | −23.9 | 14 | PROMPT-1, Chile (2x) |
| 2021 02 23.1 | 1.098 | 0.119 | 22.4 | 162.1 | −23.9 | 34 | TRAPPIST-South |
| 2021 02 24.0 | 1.098 | 0.118 | 21.9 | 160.8 | −23.8 | 142 | TRAPPIST-North |
| 2021 02 24.1 | 1.098 | 0.118 | 21.8 | 160.6 | −23.8 | 249 | TRAPPIST-South |
| 2021 02 25.0 | 1.098 | 0.117 | 21.4 | 159.5 | −23.7 | 32 | Suhora, Poland |
| 2021 02 25.1 | 1.098 | 0.117 | 21.4 | 159.3 | −23.7 | 205 | TRAPPIST-South |
| 2021 03 02.2 | 1.095 | 0.113 | 22.1 | 152.0 | −22.7 | 203 | TRAPPIST-South |
| 2021 03 03.0 | 1.095 | 0.113 | 22.5 | 151.0 | −22.5 | 49 | Suhora, Poland |
| 2021 03 03.0 | 1.095 | 0.113 | 22.5 | 151.0 | −22.5 | 148 | TRAPPIST-North |
| 2021 03 03.1 | 1.095 | 0.113 | 22.6 | 150.8 | −22.5 | 254 | TRAPPIST-South |
| 2021 03 03.3 | 1.095 | 0.113 | 22.7 | 150.6 | −22.4 | 39 | RBT/PST2 (3x) |
| 2021 03 04.1 | 1.094 | 0.113 | 23.5 | 149.4 | −22.2 | 193 | TRAPPIST-South |
| 2021 03 05.2 | 1.093 | 0.113 | 24.5 | 147.8 | −21.8 | 151 | TRAPPIST-South |
| 2021 03 05.8 | 1.093 | 0.113 | 25.2 | 146.9 | −21.6 | 134 | Wise, Israel |
| 2021 03 06.1 | 1.093 | 0.113 | 25.5 | 146.6 | −21.5 | 161 | TRAPPIST-South |
| 2021 03 06.8 | 1.092 | 0.113 | 26.3 | 145.6 | −21.2 | 19 | CDK, Krakow |
| 2021 03 08.0 | 1.091 | 0.113 | 27.8 | 144.0 | −20.7 | 79 | OMM, Canada |
| 2021 03 08.8 | 1.090 | 0.113 | 28.9 | 142.9 | −20.3 | 168 | Wise, Israel |
| 2021 03 09.1 | 1.090 | 0.113 | 29.3 | 142.5 | −20.2 | 280 | TRAPPIST-South |
| 2021 03 10.0 | 1.089 | 0.113 | 30.5 | 141.4 | −19.8 | 17 | Suhora, Poland |
| 2021 03 10.1 | 1.089 | 0.113 | 30.6 | 141.3 | −19.8 | 138 | EABA, Argentina |
| 2021 03 10.2 | 1.089 | 0.114 | 30.8 | 141.1 | −19.7 | 247 | RBT/PST2 (2x) |
| 2021 03 10.2 | 1.089 | 0.114 | 30.8 | 141.1 | −19.7 | 11 | TRAPPIST-South |
| 2021 03 11.0 | 1.088 | 0.114 | 31.9 | 140.2 | −19.4 | 274 | TRAPPIST-North |
| 2021 03 10.9 | 1.088 | 0.114 | 31.7 | 140.3 | −19.4 | 16 | CDK, Krakow |
| 2021 03 11.0 | 1.088 | 0.114 | 32.0 | 140.1 | −19.3 | 13 | Suhora, Poland |
| 2021 03 11.2 | 1.088 | 0.114 | 32.2 | 139.9 | −19.3 | 11 | EABA, Argentina |
| 2021 03 11.2 | 1.088 | 0.114 | 32.3 | 139.8 | −19.2 | 237 | RBT/PST2 (3x) |
| 2021 03 12.2 | 1.087 | 0.115 | 33.8 | 138.6 | −18.7 | 29 | RBT/PST2 (2x) |
| 2021 03 12.9 | 1.086 | 0.115 | 34.7 | 137.8 | −18.4 | 38 | CDK, Krakow |
| 2021 03 12.9 | 1.086 | 0.115 | 34.8 | 137.8 | −18.4 | 70 | Suhora, Poland |
| 2021 03 13.0 | 1.086 | 0.115 | 34.9 | 137.6 | −18.4 | 171 | TRAPPIST-North |
| 2021 03 14.0 | 1.085 | 0.116 | 36.4 | 136.5 | −17.9 | 30 | TRAPPIST-South |
| 2021 03 14.1 | 1.085 | 0.116 | 36.5 | 136.5 | −17.8 | 31 | TRAPPIST-North |
| 2021 03 14.9 | 1.084 | 0.116 | 37.8 | 135.5 | −17.4 | 12 | CDK, Krakow |
| 2021 03 15.1 | 1.084 | 0.117 | 38.0 | 135.3 | −17.3 | 6 | PROMPT-6, Chile |
| 2021 03 15.0 | 1.084 | 0.117 | 37.9 | 135.4 | −17.3 | 27 | TRAPPIST-South |
| 2021 03 15.9 | 1.083 | 0.117 | 39.3 | 134.5 | −16.9 | 37 | CDK, Krakow |
| 2021 03 16.9 | 1.081 | 0.118 | 40.8 | 133.4 | −16.3 | 23 | Adiyaman, Turkey |
| 2021 03 17.0 | 1.081 | 0.118 | 41.0 | 133.3 | −16.3 | 18 | TRAPPIST-South |
| 2021 03 17.1 | 1.081 | 0.118 | 41.1 | 133.2 | −16.2 | 8 | PROMPT-6, Chile |
| 2021 03 19.8 | 1.078 | 0.121 | 45.1 | 130.7 | −14.8 | 82 | Wise, Israel |
| 2021 03 20.8 | 1.076 | 0.122 | 46.6 | 129.9 | −14.3 | 72 | Wise, Israel |
| 2021 03 22.1 | 1.074 | 0.124 | 48.5 | 128.8 | −13.6 | 124 | TRAPPIST-South |
| 2021 03 25.8 | 1.068 | 0.128 | 53.6 | 126.3 | −11.7 | 90 | Wise, Israel |
| 2021 03 27.1 | 1.066 | 0.130 | 55.3 | 125.5 | −11.1 | 233 | TRAPPIST-South |
| 2021 03 28.1 | 1.064 | 0.131 | 56.6 | 124.9 | −10.6 | 228 | TRAPPIST-South |
| 2021 03 29.1 | 1.063 | 0.133 | 57.9 | 124.4 | −10.1 | 237 | TRAPPIST-South |
| 2021 03 30.0 | 1.061 | 0.134 | 59.1 | 123.9 | −9.6 | 139 | TRAPPIST-South |
| 2021 03 30.1 | 1.061 | 0.134 | 59.2 | 123.9 | −9.6 | 175 | OMM, Canada |
| 2021 03 31.1 | 1.059 | 0.135 | 60.4 | 123.4 | −9.1 | 221 | TRAPPIST-South |
| 2021 04 01.9 | 1.055 | 0.138 | 62.6 | 122.7 | −8.3 | 62 | TRAPPIST-North |
| 2021 04 02.0 | 1.055 | 0.138 | 62.7 | 122.6 | −8.3 | 15 | TRAPPIST-South |
| 2021 04 02.9 | 1.053 | 0.139 | 63.8 | 122.3 | −7.9 | 113 | TRAPPIST-North |
| 2021 04 04.1 | 1.051 | 0.141 | 65.2 | 121.8 | −7.3 | 215 | OMM, Canada |
| 2021 04 04.8 | 1.049 | 0.142 | 66.1 | 121.6 | −7.0 | 57 | Wise, Israel |
| 2021 04 05.0 | 1.049 | 0.142 | 66.3 | 121.5 | −6.9 | 41 | TRAPPIST-South |
| 2021 04 05.8 | 1.047 | 0.143 | 67.2 | 121.2 | −6.6 | 45 | Wise, Israel |
| 2021 04 06.0 | 1.047 | 0.143 | 67.5 | 121.2 | −6.5 | 91 | TRAPPIST-South |
| 2021 04 06.8 | 1.045 | 0.144 | 68.3 | 120.9 | −6.2 | 35 | Wise, Israel |
| 2021 04 07.0 | 1.045 | 0.145 | 68.6 | 120.9 | −6.1 | 27 | TRAPPIST-South |
| 2021 04 07.7 | 1.043 | 0.146 | 69.4 | 120.7 | −5.8 | 20 | Wise, Israel |
| 2021 04 09.1 | 1.040 | 0.147 | 70.9 | 120.3 | −5.2 | 123 | TRAPPIST-South |
| 2021 04 09.1 | 1.040 | 0.147 | 70.9 | 120.3 | −5.2 | 140 | OMM, Canada |
| 2021 04 11.0 | 1.035 | 0.150 | 73.1 | 119.8 | −4.5 | 84 | TRAPPIST-South |
| 2021 04 12.0 | 1.033 | 0.151 | 74.1 | 119.6 | −4.1 | 93 | TRAPPIST-South |
| 2021 04 13.1 | 1.031 | 0.152 | 75.2 | 119.4 | −3.7 | 116 | OMM, Canada |
Notes. The table lists the time of observation, Apophis’s distance from the Sun r, from Earth Δ, the solar phase angle α, the geocentric ecliptic coordinates λ and β, the number of photometric data points N, and the name of the observatory.
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