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
2020-10-03 07:04:12 s 1 -205036.59 3 +257939.89 4880.0 C57
2020-10-03 07:14:12 S 04 41 57.338 -57 26 27.64 V C57
2020-10-03 07:14:12 s 1 -205214.45 9 +257423.79 4670.0 C57
2020-10-03 07:24:12 S 04 42 02.014 -57 26 23.17 V C57
2020-10-03 07:24:12 s 1 -205391.51 1 +256906.65 3850.0 C57
2020-10-03 07:34:12 S 04 42 06.526 -57 26 24.58 V C57
2020-10-03 07:34:12 s 1 -205567.74 5 +256388.47 2410.0 C57
2020-10-03 07:44:12 S 04 42 11.086 -57 26 22.16 V C57
2020-10-03 07:44:12 s 1 -205743.15 8 +255869.25 340.0 C57
2020-10-03 07:54:12 S 04 42 15.953 -57 26 21.70 V C57
2020-10-03 07:54:12 s 1 -205917.74 8 +255348.98 7650.0 C57
2020-10-03 08:24:12 S 04 42 30.305 -57 26 20.04 V C57
2020-10-03 08:24:12 s 1 -206436.54 7 +253781.91 5810.0 C57
2020-10-03 08:44:12 S 04 42 39.091 -57 26 16.08 V C57
2020-10-03 08:44:12 s 1 -206778.24 2 +252731.96 4760.0 C57
2020-10-03 08:54:12 S 04 42 43.661 -57 26 16.62 V C57
2020-10-03 08:54:12 s 1 -206947.82 9 +252205.41 8290.0 C57
2020-10-03 09:04:12 S 04 42 48.089 -57 26 17.74 V C57
2020-10-03 09:04:12 s 1 -207116.57 1 +251677.81 1170.0 C57
2020-10-03 09:24:12 S 04 42 58.030 -57 26 11.51 V C57
2020-10-03 09:24:12 s 1 -207451.51 0 +250619.47 5020.0 C57
2020-10-03 09:34:12 S 04 43 02.779 -57 26 09.24 V C57
2020-10-03 09:34:12 s 1 -207617.70 0 +250088.72 5970.0 C57
2020-10-03 09:44:12 S 04 43 07.272 -57 26 08.16 V C57
2020-10-03 09:44:12 s 1 -207783.03 4 +249556.92 6280.0 C57
2020-10-03 09:54:12 S 04 43 11.213 -57 26 04.81 V C57
2020-10-03 09:54:12 s 1 -207947.50 8 +249024.07 5950.0 C57
2020-10-03 10:14:12 S 04 43 21.074 -57 26 05.46 V C57
2020-10-03 10:14:12 s 1 -208273.86 4 +247955.21 3320.0 C57
2020-10-03 10:24:12 S 04 43 25.663 -57 26 02.76 V C57
2020-10-03 10:24:12 s 1 -208435.74 0 +247419.19 1030.0 C57
2020-10-03 10:34:12 S 04 43 30.278 -57 26 03.12 V C57
2020-10-03 10:34:12 s 1 -208596.74 3 +246882.12 8080.0 C57
2020-10-03 10:44:12 S 04 43 34.927 -57 26 00.96 V C57
2020-10-03 10:44:12 s 1 -208756.87 0 +246344.00 4470.0 C57
2020-10-03 11:14:12 S 04 43 49.070 -57 25 53.58 V C57
2020-10-03 11:14:12 s 1 -209231.96 6 +244723.28 9670.0 C57
2020-10-03 11:24:12 S 04 43 53.762 -57 25 56.82 V C57
2020-10-03 11:24:12 s 1 -209388.55 9 +244180.93 3410.0 C57
2020-10-03 11:34:12 S 04 43 58.517 -57 25 54.55 V C57
2020-10-03 11:34:12 s 1 -209544.26 0 +243637.51 6480.0 C57
2020-10-03 11:44:12 S 04 44 03.091 -57 25 52.39 V C57
2020-10-03 11:44:12 s 1 -209699.06 6 +243093.04 8880.0 C57
2020-10-03 12:34:12 S 04 44 27.024 -57 25 43.90 V C57
2020-10-03 12:34:12 s 1 -210459.55 2 +240354.74 730.0 C57
2020-10-03 12:44:12 S 04 44 31.430 -57 25 41.88 V C57
2020-10-03 12:44:12 s 1 -210608.91 7 +239803.89 9050.0 C57
2020-10-03 12:54:12 S 04 44 36.677 -57 25 38.10 V C57
2020-10-03 12:54:12 s 1 -210757.36 4 +239251.98 6690.0 C57
2020-10-03 13:04:12 S 04 44 41.004 -57 25 37.99 V C57