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Table A.2

Triton observation residuals (1975–2016).

k Date Observer Source Type Num RMS1 RMS2
45 1975–1986 689 Walker & Harrington (1988); Walker et al. (1978); X,Y 198 0.035 0.077
Harrington & Walker (1984)
46 1986–1993 119 Chanturia & Kisseleva (2006) α,δ 54 0.448 0.415
47 1988–1989 Voyager 2 Jacobson (1991) α,δ 407 0.214 0.199
48 1989–1994 874 Veiga & Vieira Martins (1996) X,Y 423 0.100 0.138
49 1990–1990 188 Kulyk et al. (1990) α,δ 5 0.137 0.324
50 1995–1997 874 Veiga & Vieira Martins (1998) X,Y 759 0.156 0.212
51 1996-2006 337 Yan et al. (2020) α,δ 1007 0.044 0.059
52 1998–1999 689 Stone (2000, 2001) α,δ 124 0.124 0.116
53 1999–1999 673 Owen (1999) α,δ 3 0.254 0.184
54 1999–2005 999 Arlot et al. (2008) α,δ 95 0.219 0.310
55 2000–2002 874 Vieira Martins et al. (2004) α,δ 64 0.132 0.099
56 2000–2012 689 Stone & Harris (2000); Stone (2000, 2001) α,δ 874 0.135 0.237
57 2001–2001 673 Owen (2001) α,δ 3 0.048 0.008
58 2001–2012 673 http://ssd.jpl.nasa.gov/dat/planets/ccd1.tmo.html α,δ 200 0.059 0.066
59 2007–2009 327,337 Qiao et al. (2014) α,δ 1095 0.069 0.083
60 2013–2014 689 https://ssd.jpl.nasa.gov/dat/planets/ccd1.nofs.html α,δ 116 0.163 0.205
61 2014–2016 286 Wang et al. (2017) α,δ 755 0.022 0.041

Notes. The unit of the residuals is arcsecond.

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