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
2020-09-20 12:44:12 s 1 -215281.09 9 +130547.32 1480.0 C57
2020-09-20 13:04:12 S 02 53 25.762 -52 05 55.43 V C57
2020-09-20 13:04:12 s 1 -215108.31 5 +129063.60 5950.0 C57
2020-09-20 14:04:12 S 02 53 44.978 -52 07 03.29 V C57
2020-09-20 14:04:12 s 1 -214542.85 9 +124584.30 750.0 C57
2020-09-20 14:24:12 S 02 53 51.446 -52 07 28.20 V C57
2020-09-20 14:24:12 s 1 -214338.40 4 +123081.82 5990.0 C57
2020-09-20 14:54:12 S 02 54 00.444 -52 08 00.96 V C57
2020-09-20 14:54:12 s 1 -214016.46 8 +120819.33 4580.0 C57
2020-09-20 16:34:12 S 02 54 33.130 -52 09 48.35 V C57
2020-09-20 16:34:12 s 1 -212807.65 8 +113201.86 7710.0 C57
2020-09-20 17:04:12 S 02 54 43.193 -52 10 22.22 V C57
2020-09-20 17:04:12 s 1 -212403.15 5 +110893.96 6330.0 C57
2020-09-20 17:24:12 S 02 54 49.409 -52 10 50.34 V C57
2020-09-20 17:24:12 s 1 -212122.46 7 +109349.57 5430.0 C57
2020-09-20 18:14:12 S 02 55 06.074 -52 11 43.08 V C57
2020-09-20 18:14:12 s 1 -211381.47 9 +105468.41 9470.0 C57
2020-09-20 18:24:12 S 02 55 08.705 -52 11 57.59 V C57
2020-09-20 18:24:12 s 1 -211226.45 3 +104688.73 160.0 C57
2020-09-20 19:34:12 S 02 55 31.891 -52 13 07.57 V C57
2020-09-20 19:34:12 s 1 -210076.01 5 +99198.935 5730.0 C57
2020-09-20 21:04:12 S 02 56 01.226 -52 14 58.63 V C57
2020-09-20 21:04:12 s 1 -208423.74 6 +92058.979 7410.0 C57
2020-09-20 21:24:12 S 02 56 07.910 -52 15 13.61 V C57
2020-09-20 21:24:12 s 1 -208029.22 7 +90459.980 8040.0 C57
2020-09-20 21:44:12 S 02 56 15.161 -52 15 38.77 V C57
2020-09-20 21:44:12 s 1 -207624.51 9 +88856.533 2580.0 C57
2020-09-25 04:16:56 C 03 30 23.20 -54 33 19.3 q X74
2020-09-25 04:40:03 C 03 30 30.19 -54 33 47.8 q X74
2020-09-25 05:03:10 C 03 30 37.42 -54 34 16.3 q X74
2020-09-25 11:54:12 S 03 32 39.698 -55 14 47.04 V C57
2020-09-25 11:54:12 s 1 +159005.14 4 +233770.96 10.0 C57
2020-09-25 12:04:12 S 03 32 42.684 -55 15 09.79 V C57
2020-09-25 12:04:12 s 1 +158793.49 4 +234395.22 5510.0 C57
2020-09-25 12:14:12 S 03 32 45.708 -55 15 17.10 V C57
2020-09-25 12:14:12 s 1 +158580.84 2 +235018.00 520.0 C57
2020-09-25 12:24:12 S 03 32 48.024 -55 15 32.72 V C57
2020-09-25 12:24:12 s 1 +158367.19 4 +235639.31 5030.0 C57
2020-09-25 12:34:11 S 03 32 51.259 -55 15 44.57 V C57
2020-09-25 12:34:11 s 1 +158152.55 3 +236259.14 9060.0 C57
2020-09-25 12:44:12 S 03 32 54.730 -55 15 57.28 V C57
2020-09-25 12:44:12 s 1 +157936.92 7 +236877.50 2590.0 C57
2020-09-25 12:54:12 S 03 32 56.582 -55 16 14.56 V C57
2020-09-25 12:54:12 s 1 +157720.32 0 +237494.39 5640.0 C57
2020-09-25 13:04:12 S 03 32 59.918 -55 16 30.90 V C57
2020-09-25 13:04:12 s 1 +157502.73 8 +238109.82 8210.0 C57
2020-09-25 13:14:12 S 03 33 02.844 -55 16 44.44 V C57
2020-09-25 13:14:12 s 1 +157284.18 6 +238723.78 300.0 C57
2020-09-25 13:24:12 S 03 33 05.638 -55 16 59.12 V C57
2020-09-25 13:24:12 s 1 +157064.67 0 +239336.27 1910.0 C57