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
2020-08-28 19:34:14 S 01 16 55.452 -38 50 34.87 V C57
2020-08-28 19:34:14 s 1 +136290.38 9 +240487.21 1780.0 C57
2020-08-28 19:44:14 S 01 16 57.067 -38 50 46.64 V C57
2020-08-28 19:44:14 s 1 +136061.18 8 +241108.62 9920.0 C57
2020-08-28 21:34:14 S 01 17 06.595 -38 53 18.67 V C57
2020-08-28 21:34:14 s 1 +133480.28 2 +247837.44 4530.0 C57
2020-08-28 23:04:14 S 01 17 15.583 -38 55 28.13 V C57
2020-08-28 23:04:14 s 1 +131290.66 8 +253199.38 4720.0 C57
2020-08-28 23:14:14 S 01 17 16.394 -38 55 39.68 V C57
2020-08-28 23:14:14 s 1 +131043.23 1 +253787.30 5220.0 C57
2020-08-28 23:24:14 S 01 17 17.441 -38 56 04.63 V C57
2020-08-28 23:24:14 s 1 +130794.98 2 +254373.65 5390.0 C57
2020-08-29 00:24:14 S 01 17 23.590 -38 57 29.56 V C57
2020-08-29 00:24:14 s 1 +129288.73 4 +257859.16 9320.0 C57
2020-08-29 00:34:14 S 01 17 23.902 -38 57 36.22 V C57
2020-08-29 00:34:14 s 1 +129034.94 5 +258434.68 7160.0 C57
2020-08-29 02:24:14 S 01 17 34.774 -39 00 14.94 V C57
2020-08-29 02:24:14 s 1 +126193.29 8 +264664.59 2300.0 C57
2020-08-29 02:54:14 S 01 17 37.709 -39 00 54.50 V C57
2020-08-29 02:54:14 s 1 +125402.87 6 +266331.91 3560.0 C57
2020-08-29 04:14:14 S 01 17 45.420 -39 02 47.72 V C57
2020-08-29 04:14:14 s 1 +123264.15 2 +270712.48 540.0 C57
2020-08-29 04:24:14 S 01 17 46.589 -39 03 04.07 V C57
2020-08-29 04:24:14 s 1 +122993.72 3 +271253.39 1360.0 C57
2020-08-29 05:54:14 S 01 17 55.078 -39 05 16.76 V C57
2020-08-29 05:54:14 s 1 +120530.05 8 +276055.70 6090.0 C57
2020-08-29 09:44:14 S 01 18 18.206 -39 10 33.96 V C57
2020-08-29 09:44:14 s 1 +114005.48 8 +287800.05 5600.0 C57
2020-08-29 12:04:14 S 01 18 31.745 -39 13 53.18 V C57
2020-08-29 12:04:14 s 1 +109887.00 5 +294586.78 5680.0 C57
2020-08-29 12:24:14 S 01 18 34.128 -39 14 20.54 V C57
2020-08-29 12:24:14 s 1 +109290.24 2 +295534.44 3520.0 C57
2020-08-29 12:44:14 S 01 18 35.381 -39 14 59.46 V C57
2020-08-29 12:44:14 s 1 +108691.45 0 +296476.69 490.0 C57
2020-08-29 18:04:14 S 01 19 08.124 -39 22 24.85 V C57
2020-08-29 18:04:14 s 1 +98853.252 0 +310830.05 1270.0 C57
2020-08-29 18:14:14 S 01 19 09.084 -39 22 40.84 V C57
2020-08-29 18:14:14 s 1 +98538.514 0 +311257.08 3150.0 C57
2020-08-29 18:44:14 S 01 19 12.617 -39 23 21.26 V C57
2020-08-29 18:44:14 s 1 +97591.831 0 +312530.46 7700.0 C57
2020-08-29 18:54:14 S 01 19 13.519 -39 23 36.60 V C57
2020-08-29 18:54:14 s 1 +97275.455 0 +312952.36 8870.0 C57
2020-08-29 19:14:14 S 01 19 15.307 -39 23 59.46 V C57
2020-08-29 19:14:14 s 1 +96641.495 0 +313792.36 680.0 C57
2020-08-29 20:34:14 S 01 19 23.662 -39 25 53.26 V C57
2020-08-29 20:34:14 s 1 +94089.892 0 +317101.64 1050.0 C57
2020-08-29 20:54:14 S 01 19 26.107 -39 26 19.97 V C57
2020-08-29 20:54:14 s 1 +93448.143 0 +317916.37 9470.0 C57
2020-08-29 21:24:14 S 01 19 28.781 -39 26 58.16 V C57
2020-08-29 21:24:14 s 1 +92482.707 0 +319129.07 5880.0 C57