517103 (2013 EM20)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3179855833 ± 2.92e-08
Semi-major axis (a)1.3713108786 AU ± 6.06e-09
Inclination (i)8.36352262° ± 4.38e-06
Long. of Asc. Node (Ω)73.88003140° ± 5.87e-05
Arg. of Perihelion (ω)350.17326456° ± 5.85e-05
Mean Anomaly (M)42.68024369° ± 7.58e-06
Mean Motion (n)0.6137738683°/day ± 4.07e-09
Perihelion dist (q)0.93525379 AU ± 4.03e-08
Aphelion dist (Q)1.80736797 AU ± 4.08e-08
Orbital Period1.60584595 yr ± 1.06e-08
Physical Parameters
H (abs. magnitude)19.92
G (slope)0.15
Alternative Designations

2008 AO112

Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual1.766″
Uncertainty0
Orbit TypeApollo
MOID0.043499 AU
Observations Used2304
Oppositions9
Arc Total1997-2021
First Observation Used1997-04-07
Last Observation Used2021-05-06
Observations (4530)
Date Type RA Dec Mag Band Observatory
2020-09-01 12:04:13 S 01 26 41.698 -40 53 48.05 V C57
2020-09-01 12:04:13 s 1 -41107.101 0 +393332.15 2500.0 C57
2020-09-01 12:14:13 S 01 26 42.588 -40 53 51.94 V C57
2020-09-01 12:14:13 s 1 -41468.391 0 +393344.18 1420.0 C57
2020-09-01 12:44:13 S 01 26 47.004 -40 54 32.47 V C57
2020-09-01 12:44:13 s 1 -42551.761 0 +393374.82 7940.0 C57
2020-09-01 13:04:13 S 01 26 49.534 -40 55 03.65 V C57
2020-09-01 13:04:13 s 1 -43273.585 0 +393390.67 5420.0 C57
2020-09-01 15:54:13 S 01 27 11.021 -40 58 57.68 V C57
2020-09-01 15:54:13 s 1 -49394.469 0 +393378.35 6890.0 C57
2020-09-01 18:44:13 S 01 27 32.947 -41 02 44.74 V C57
2020-09-01 18:44:13 s 1 -55486.472 0 +393103.73 4310.0 C57
2020-09-01 18:54:13 S 01 27 34.752 -41 03 10.62 V C57
2020-09-01 18:54:13 s 1 -55843.843 0 +393079.43 1320.0 C57
2020-09-01 19:54:13 S 01 27 41.623 -41 04 32.74 V C57
2020-09-01 19:54:13 s 1 -57985.647 0 +392914.70 2230.0 C57
2020-09-01 20:04:13 S 01 27 42.593 -41 04 38.68 V C57
2020-09-01 20:04:13 s 1 -58342.203 0 +392884.08 8840.0 C57
2020-09-01 22:54:13 S 01 28 05.633 -41 08 32.10 V C57
2020-09-01 22:54:13 s 1 -64384.721 0 +392225.86 2010.0 C57
2020-09-01 23:24:13 S 01 28 08.736 -41 09 20.81 V C57
2020-09-01 23:24:13 s 1 -65447.169 0 +392082.73 8300.0 C57
2020-09-02 01:04:13 S 01 28 23.165 -41 11 38.62 V C57
2020-09-02 01:04:13 s 1 -68979.749 0 +391547.29 8210.0 C57
2020-09-02 01:24:13 S 01 28 25.944 -41 11 52.62 V C57
2020-09-02 01:24:13 s 1 -69684.571 0 +391429.44 7350.0 C57
2020-09-02 02:34:13 S 01 28 34.106 -41 13 32.45 V C57
2020-09-02 02:34:13 s 1 -72146.847 0 +390988.76 7070.0 C57
2020-09-02 03:04:13 S 01 28 38.266 -41 14 13.06 V C57
2020-09-02 03:04:13 s 1 -73199.868 0 +390786.47 8690.0 C57
2020-09-02 03:14:13 S 01 28 39.862 -41 14 38.54 V C57
2020-09-02 03:14:13 s 1 -73550.571 0 +390717.25 2410.0 C57
2020-09-02 03:44:13 S 01 28 43.430 -41 15 16.60 V C57
2020-09-02 03:44:13 s 1 -74601.755 0 +390504.22 3120.0 C57
2020-09-02 10:44:13 S 01 29 39.324 -41 24 44.86 V C57
2020-09-02 10:44:13 s 1 -89161.057 0 +386678.28 4530.0 C57
2020-09-02 11:04:13 S 01 29 42.612 -41 25 15.46 V C57
2020-09-02 11:04:13 s 1 -89846.475 0 +386456.87 3980.0 C57
2020-09-02 16:04:13 S 01 30 23.398 -41 32 06.32 V C57
2020-09-02 16:04:13 s 1 -100031.96 9 +382708.43 7430.0 C57
2020-09-02 16:34:13 S 01 30 27.562 -41 32 51.86 V C57
2020-09-02 16:34:13 s 1 -101040.15 4 +382289.53 6530.0 C57
2020-09-02 17:34:13 S 01 30 34.961 -41 34 02.50 V C57
2020-09-02 17:34:13 s 1 -103050.56 9 +381427.69 1720.0 C57
2020-09-02 19:14:13 S 01 30 50.124 -41 36 27.29 V C57
2020-09-02 19:14:13 s 1 -106383.18 0 +379920.07 1210.0 C57
2020-09-02 20:04:13 S 01 30 56.863 -41 37 41.02 V C57
2020-09-02 20:04:13 s 1 -108040.77 8 +379132.86 1520.0 C57
2020-09-03 02:04:13 S 01 31 47.570 -41 45 45.54 V C57
2020-09-03 02:04:13 s 1 -119792.87 4 +372806.90 4730.0 C57