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 18:04:12 s 1 -214884.28 3 +221610.62 830.0 C57
2020-10-03 18:14:12 S 04 47 08.042 -57 24 38.84 V C57
2020-10-03 18:14:12 s 1 -215001.43 8 +221024.26 5300.0 C57
2020-10-03 18:24:12 S 04 47 12.986 -57 24 31.75 V C57
2020-10-03 18:24:12 s 1 -215117.55 2 +220436.81 9000.0 C57
2020-10-03 18:34:12 S 04 47 18.014 -57 24 36.36 V C57
2020-10-03 18:34:12 s 1 -215232.62 1 +219848.28 1940.0 C57
2020-10-03 18:44:12 S 04 47 23.071 -57 24 28.98 V C57
2020-10-03 18:44:12 s 1 -215346.64 1 +219258.65 4100.0 C57
2020-10-03 19:04:12 S 04 47 32.141 -57 24 23.76 V C57
2020-10-03 19:04:12 s 1 -215571.51 8 +218076.13 6120.0 C57
2020-10-03 19:14:12 S 04 47 37.274 -57 24 21.49 V C57
2020-10-03 19:14:12 s 1 -215682.36 7 +217483.24 5960.0 C57
2020-10-03 19:24:12 S 04 47 41.738 -57 24 22.68 V C57
2020-10-03 19:24:12 s 1 -215792.15 1 +216889.25 5020.0 C57
2020-10-03 19:44:12 S 04 47 50.998 -57 24 16.31 V C57
2020-10-03 19:44:12 s 1 -216008.50 6 +215697.99 790.0 C57
2020-10-03 19:54:12 S 04 47 56.227 -57 24 13.07 V C57
2020-10-03 19:54:12 s 1 -216115.06 9 +215100.72 7500.0 C57
2020-10-03 20:04:12 S 04 48 01.022 -57 24 10.19 V C57
2020-10-03 20:04:12 s 1 -216220.54 9 +214502.36 3410.0 C57
2020-10-03 20:14:12 S 04 48 05.813 -57 24 09.25 V C57
2020-10-03 20:14:12 s 1 -216324.94 4 +213902.90 8530.0 C57
2020-10-03 20:24:12 S 04 48 10.750 -57 24 04.03 V C57
2020-10-03 20:24:12 s 1 -216428.24 7 +213302.35 2860.0 C57
2020-10-03 20:34:12 S 04 48 15.648 -57 24 01.55 V C57
2020-10-03 20:34:12 s 1 -216530.45 6 +212700.70 6380.0 C57
2020-10-03 20:44:12 S 04 48 19.022 -57 24 03.64 V C57
2020-10-03 20:44:12 s 1 -216631.56 5 +212097.95 9110.0 C57
2020-10-03 21:04:12 S 04 48 29.794 -57 23 57.84 V C57
2020-10-03 21:04:12 s 1 -216830.46 9 +210889.16 2140.0 C57
2020-10-03 21:14:12 S 04 48 34.843 -57 23 48.26 V C57
2020-10-03 21:14:12 s 1 -216928.25 4 +210283.11 2440.0 C57
2020-10-03 21:24:12 S 04 48 39.523 -57 23 48.95 V C57
2020-10-03 21:24:12 s 1 -217024.92 2 +209675.97 1930.0 C57
2020-10-03 21:44:12 S 04 48 49.349 -57 23 46.43 V C57
2020-10-03 21:44:12 s 1 -217214.89 1 +208458.38 8460.0 C57
2020-10-03 21:54:12 S 04 48 54.257 -57 23 41.35 V C57
2020-10-03 21:54:12 s 1 -217308.18 2 +207847.93 5500.0 C57
2020-10-03 22:04:12 S 04 48 58.358 -57 23 39.26 V C57
2020-10-03 22:04:12 s 1 -217400.33 8 +207236.39 1710.0 C57
2020-10-03 22:14:12 S 04 49 03.324 -57 23 38.62 V C57
2020-10-03 22:14:12 s 1 -217491.35 5 +206623.73 7090.0 C57
2020-10-03 22:24:12 S 04 49 08.318 -57 23 30.44 V C57
2020-10-03 22:24:12 s 1 -217581.22 9 +206009.98 1650.0 C57
2020-10-03 22:34:12 S 04 49 13.786 -57 23 31.63 V C57
2020-10-03 22:34:12 s 1 -217669.95 3 +205395.12 5370.0 C57
2020-10-03 22:44:12 S 04 49 17.724 -57 23 23.46 V C57
2020-10-03 22:44:12 s 1 -217757.52 5 +204779.15 8260.0 C57
2020-10-03 22:54:12 S 04 49 23.179 -57 23 23.68 V C57