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
2020-09-11 13:34:12 S 02 07 10.298 -47 12 52.85 V C57
2020-09-11 13:34:12 s 1 +150436.77 8 +229278.95 5210.0 C57
2020-09-11 14:44:12 S 02 07 20.100 -47 14 55.39 V C57
2020-09-11 14:44:12 s 1 +148905.95 8 +233736.40 2910.0 C57
2020-09-11 14:54:12 S 02 07 21.146 -47 15 12.53 V C57
2020-09-11 14:54:12 s 1 +148683.15 7 +234366.84 1830.0 C57
2020-09-11 16:04:12 S 02 07 31.999 -47 17 04.13 V C57
2020-09-11 16:04:12 s 1 +147095.60 2 +238736.00 9530.0 C57
2020-09-11 16:14:12 S 02 07 33.067 -47 17 18.56 V C57
2020-09-11 16:14:12 s 1 +146864.88 4 +239353.92 4270.0 C57
2020-09-11 16:34:12 S 02 07 36.377 -47 17 51.29 V C57
2020-09-11 16:34:12 s 1 +146400.56 0 +240585.10 2190.0 C57
2020-09-11 16:54:12 S 02 07 38.830 -47 18 28.22 V C57
2020-09-11 16:54:12 s 1 +145932.42 5 +241810.09 8090.0 C57
2020-09-11 17:14:12 S 02 07 42.211 -47 18 56.63 V C57
2020-09-11 17:14:12 s 1 +145460.52 0 +243028.90 1970.0 C57
2020-09-11 19:14:12 S 02 07 59.088 -47 22 09.95 V C57
2020-09-11 19:14:12 s 1 +142552.31 7 +250213.32 4150.0 C57
2020-09-11 19:54:12 S 02 08 04.853 -47 23 23.39 V C57
2020-09-11 19:54:12 s 1 +141554.64 9 +252559.66 3000.0 C57
2020-09-11 20:04:12 S 02 08 06.422 -47 23 32.57 V C57
2020-09-11 20:04:12 s 1 +141303.09 4 +253142.50 6560.0 C57
2020-09-11 21:14:12 S 02 08 17.494 -47 25 30.25 V C57
2020-09-11 21:14:12 s 1 +139518.79 4 +257180.63 8810.0 C57
2020-09-11 21:44:12 S 02 08 21.674 -47 26 20.15 V C57
2020-09-11 21:44:12 s 1 +138741.80 6 +258889.03 7380.0 C57
2020-09-11 21:54:12 S 02 08 23.206 -47 26 34.55 V C57
2020-09-11 21:54:12 s 1 +138481.20 5 +259455.55 6040.0 C57
2020-09-11 22:34:12 S 02 08 28.344 -47 27 38.05 V C57
2020-09-11 22:34:12 s 1 +137430.89 4 +261706.97 6340.0 C57
2020-09-11 23:44:12 S 02 08 39.547 -47 29 33.79 V C57
2020-09-11 23:44:12 s 1 +135563.07 9 +265590.85 3120.0 C57
2020-09-11 23:54:12 S 02 08 41.086 -47 29 50.93 V C57
2020-09-11 23:54:12 s 1 +135293.22 4 +266139.90 6710.0 C57
2020-09-12 00:04:12 S 02 08 42.569 -47 30 02.63 V C57
2020-09-12 00:04:12 s 1 +135022.62 4 +266687.50 9900.0 C57
2020-09-12 00:14:12 S 02 08 44.321 -47 30 19.15 V C57
2020-09-12 00:14:12 s 1 +134751.28 5 +267233.67 2690.0 C57
2020-09-12 00:24:12 S 02 08 45.617 -47 30 31.39 V C57
2020-09-12 00:24:12 s 1 +134479.21 0 +267778.40 5070.0 C57
2020-09-12 01:34:12 S 02 08 56.285 -47 32 28.03 V C57
2020-09-12 01:34:12 s 1 +132554.42 7 +271551.47 590.0 C57
2020-09-12 02:24:12 S 02 09 03.456 -47 33 45.79 V C57
2020-09-12 02:24:12 s 1 +131158.38 7 +274203.89 2860.0 C57
2020-09-12 03:14:12 S 02 09 11.028 -47 35 09.82 V C57
2020-09-12 03:14:12 s 1 +129745.22 6 +276821.11 5660.0 C57
2020-09-12 04:04:12 S 02 09 18.506 -47 36 20.12 V C57
2020-09-12 04:04:12 s 1 +128315.40 8 +279403.37 9240.0 C57
2020-09-12 04:14:12 S 02 09 19.632 -47 36 45.18 V C57
2020-09-12 04:14:12 s 1 +128027.48 6 +279915.65 2870.0 C57