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Table 4.
Estimated magnitude of Darksat and STARLINK-1113 after correction for the solar and observer phase angles, then normalised to a range of 550 km (one airmass), including the sky-projected angular velocity along with the observed and estimated trail lengths.
| Starlink | Observed | Solar phase | Observer phase | Angular speed | Est. trail length | Estimated |
|---|---|---|---|---|---|---|
| satellite | range (km) | angle (°) | angle (°) | (arcsec s−1) | (arcsec) | scaled mag. |
| 1130 (Darksat) | 976.50 | 54.7 | 50.6 | 1075 ± 29 | 1615 ± 40 | 6.10 ± 0.04 |
| 1113 | 941.62 | 64.3 | 47.2 | 1033 ± 27 | 2066 ± 45 | 5.33 ± 0.05 |
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