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
2020-09-17 19:34:12 s 1 -157982.13 0 +335359.59 8140.0 C57
2020-09-17 20:44:12 S 02 35 42.982 -50 50 10.86 V C57
2020-09-17 20:44:12 s 1 -159995.29 8 +333073.40 9680.0 C57
2020-09-17 21:04:12 S 02 35 48.262 -50 50 36.02 V C57
2020-09-17 21:04:12 s 1 -160566.39 7 +332411.58 60.0 C57
2020-09-17 21:34:12 S 02 35 54.809 -50 51 15.01 V C57
2020-09-17 21:34:12 s 1 -161419.59 0 +331411.65 8180.0 C57
2020-09-17 21:44:12 S 02 35 57.828 -50 51 27.68 V C57
2020-09-17 21:44:12 s 1 -161703.06 1 +331076.42 6890.0 C57
2020-09-17 22:14:12 S 02 36 05.158 -50 52 08.72 V C57
2020-09-17 22:14:12 s 1 -162550.67 1 +330064.96 1050.0 C57
2020-09-17 22:44:12 S 02 36 12.166 -50 52 35.36 V C57
2020-09-17 22:44:12 s 1 -163394.04 7 +329044.84 2210.0 C57
2020-09-17 23:04:12 S 02 36 16.601 -50 53 14.06 V C57
2020-09-17 23:04:12 s 1 -163953.92 6 +328359.95 4640.0 C57
2020-09-17 23:14:12 S 02 36 19.886 -50 53 21.62 V C57
2020-09-17 23:14:12 s 1 -164233.14 9 +328016.05 360.0 C57
2020-09-17 23:24:12 S 02 36 21.943 -50 53 38.29 V C57
2020-09-17 23:24:12 s 1 -164511.89 3 +327671.19 5730.0 C57
2020-09-18 00:04:12 S 02 36 31.430 -50 54 25.31 V C57
2020-09-18 00:04:12 s 1 -165622.04 1 +326282.10 3820.0 C57
2020-09-18 00:14:12 S 02 36 34.644 -50 54 41.98 V C57
2020-09-18 00:14:12 s 1 -165898.36 4 +325932.41 7490.0 C57
2020-09-18 00:34:12 S 02 36 38.794 -50 54 58.90 V C57
2020-09-18 00:34:12 s 1 -166449.54 2 +325230.13 3800.0 C57
2020-09-18 00:44:12 S 02 36 40.800 -50 55 14.81 V C57
2020-09-18 00:44:12 s 1 -166724.39 4 +324877.54 6440.0 C57
2020-09-18 00:54:12 S 02 36 44.311 -50 55 23.63 V C57
2020-09-18 00:54:12 s 1 -166998.75 3 +324523.98 8730.0 C57
2020-09-18 01:04:12 S 02 36 46.229 -50 55 37.63 V C57
2020-09-18 01:04:12 s 1 -167272.61 6 +324169.45 670.0 C57
2020-09-18 01:24:12 S 02 36 51.072 -50 56 04.96 V C57
2020-09-18 01:24:12 s 1 -167818.85 2 +323457.49 3520.0 C57
2020-09-18 01:44:12 S 02 36 55.728 -50 56 25.62 V C57
2020-09-18 01:44:12 s 1 -168363.08 9 +322741.65 4960.0 C57
2020-09-18 02:14:12 S 02 37 04.104 -50 57 03.67 V C57
2020-09-18 02:14:12 s 1 -169175.66 8 +321660.60 4490.0 C57
2020-09-18 02:24:12 S 02 37 05.590 -50 57 21.28 V C57
2020-09-18 02:24:12 s 1 -169445.51 4 +321298.31 3630.0 C57
2020-09-18 02:44:12 S 02 37 10.826 -50 57 44.93 V C57
2020-09-18 02:44:12 s 1 -169983.67 6 +320570.80 840.0 C57
2020-09-18 03:04:12 S 02 37 16.481 -50 58 06.06 V C57
2020-09-18 03:04:12 s 1 -170519.78 8 +319839.41 6620.0 C57
2020-09-18 03:14:12 S 02 37 17.964 -50 58 19.99 V C57
2020-09-18 03:14:12 s 1 -170787.07 1 +319472.25 3970.0 C57
2020-09-18 03:44:12 S 02 37 26.014 -50 58 55.60 V C57
2020-09-18 03:44:12 s 1 -171585.80 7 +318364.92 3860.0 C57
2020-09-18 03:54:12 S 02 37 27.842 -50 59 04.74 V C57
2020-09-18 03:54:12 s 1 -171851.00 9 +317993.86 9770.0 C57
2020-09-18 04:44:12 S 02 37 40.968 -51 00 10.76 V C57