Table 1
VLBI measurements of Mars spacecraft and asteroid modeling used for each planetary ephemeris considered in this work.
Ephemeris | VLBI observations of Mars | Dynamical modeling | Ref | |||
---|---|---|---|---|---|---|
Period | Number | Accuracy (mas) | Main belt | Kuiper belt | ||
DE200 | … | … | … | 3 | … | 1 |
DE405 | 1989 | 2 | 10–100 | 300 | … | 2 |
DE410 | 1989–2003 | 33 | 0.5 | 300 | … | 3 |
DE421 | 2001–2007 | 94 | <0.5 | 343 | … | 4–5 |
DE430 | 2001–2013 | 151 | <0.2 | 343 | … | 6 |
DE440 | 2001–2020 | 316 | 0.18–0.25 | 343 | 30 + 1 ring | 7 |
EPM2011 | 1989–2010 | 144 | 0.8 | 301 + 1 ring | 21 + 1 ring | 8 |
EPM2015 | 1989–2013 | 204 | 0.18–6.2 | 301 + 1 ring | 30 + 1 ring | 9 |
EPM2017 | 1989–2014 | 204 | 0.18–6.2 | 301 + 3 rings | 30 + 3 rings | 10 |
EPM2021 | 1989–2014 | 204 | 0.18–6.2 | 277 + 3 rings | 30 + 3 rings | 11 |
INPOP06c | 1989–2003 | 44 | 0.5 | 300 + 1 ring | … | 12 |
INPOP08a | 1989–2007 | 96 | 0.4 | 303 + 1 ring | … | 13 |
INPOP10a | 1989–2007 | 96 | 0.4 | 161 + 1 ring | … | 14 |
INPOP10b | 1989–2007 | 96 | 0.4 | 161 + 1 ring | … | 15 |
INPOP10e | 1989–2007 | 96 | 0.4 | 161 + 1 ring | … | 16 |
INPOP13c | 1989–2007 | 96 | 0.4 | 139 | … | 17 |
INPOP17a | 1989–2013 | 194 | 0.3 | 168 | … | 18 |
INPOP19a | 1989–2013 | 194 | 0.3 | 343 | 3 rings | 19 |
INPOP21a | 1989–2013 | 194 | 0.3 | 343 | 500 | 20 |
Notes. The accuracy of the VLBI observations is given by a priori accuracy or the scatter (root-mean-squared or standard deviation) of postfit residuals in the literature.
References. (1) Standish (1990a); (2) Standish (1998); (3) Standish (2003); (4) Folkner et al. (2007); (5) Folkner et al. (2009); (6) Folkner et al. (2014b); (7) Park et al. (2021); (8) Pitjeva (2013); (9) Pitjeva (2017); (10) Pitjeva & Pitjev (2018); (11) Pitjeva et al. (2022); (12) Fienga et al. (2008); (13) Fienga et al. (2009); (14) Fienga et al. (2011); (15) Fienga et al. (2012); (16) Fienga et al. (2013); (17) Fienga et al. (2014); (18) Viswanathan et al. (2017); (19) Fienga et al. (2019); (20) Fienga et al. (2021).
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