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
2020-10-02 20:54:11 s 1 -192753.95 4 +287477.52 7710.0 C57
2020-10-02 21:04:11 S 04 37 17.726 -57 26 59.64 V C57
2020-10-02 21:04:11 s 1 -192976.48 7 +287023.76 1950.0 C57
2020-10-02 21:14:11 S 04 37 22.577 -57 26 55.93 V C57
2020-10-02 21:14:11 s 1 -193198.36 0 +286569.00 5680.0 C57
2020-10-02 21:24:11 S 04 37 26.918 -57 27 01.94 V C57
2020-10-02 21:24:11 s 1 -193419.57 1 +286113.23 8900.0 C57
2020-10-02 21:34:11 S 04 37 30.818 -57 27 02.23 V C57
2020-10-02 21:34:11 s 1 -193640.11 9 +285656.46 1590.0 C57
2020-10-02 21:44:11 S 04 37 36.007 -57 26 59.78 V C57
2020-10-02 21:44:11 s 1 -193860.00 1 +285198.68 3760.0 C57
2020-10-02 21:54:11 S 04 37 40.661 -57 27 01.48 V C57
2020-10-02 21:54:11 s 1 -194079.21 5 +284739.90 5410.0 C57
2020-10-02 22:04:11 S 04 37 45.312 -57 26 58.60 V C57
2020-10-02 22:04:11 s 1 -194297.75 8 +284280.11 6540.0 C57
2020-10-02 22:14:11 S 04 37 49.560 -57 26 59.14 V C57
2020-10-02 22:14:11 s 1 -194515.62 9 +283819.32 7140.0 C57
2020-10-02 22:24:11 S 04 37 53.621 -57 27 00.00 V C57
2020-10-02 22:24:11 s 1 -194732.82 5 +283357.52 7210.0 C57
2020-10-02 22:34:11 S 04 37 58.445 -57 27 01.01 V C57
2020-10-02 22:34:11 s 1 -194949.34 3 +282894.71 6750.0 C57
2020-10-02 22:44:11 S 04 38 02.849 -57 26 57.26 V C57
2020-10-02 22:44:11 s 1 -195165.18 1 +282430.89 5770.0 C57
2020-10-02 22:54:11 S 04 38 07.526 -57 26 58.74 V C57
2020-10-02 22:54:11 s 1 -195380.33 8 +281966.06 4250.0 C57
2020-10-02 23:04:11 S 04 38 11.885 -57 26 58.96 V C57
2020-10-02 23:04:11 s 1 -195594.81 0 +281500.22 2200.0 C57
2020-10-02 23:14:11 S 04 38 17.054 -57 26 56.58 V C57
2020-10-02 23:14:11 s 1 -195808.59 6 +281033.38 9610.0 C57
2020-10-02 23:24:11 S 04 38 20.858 -57 26 58.49 V C57
2020-10-02 23:24:11 s 1 -196021.69 2 +280565.52 6490.0 C57
2020-10-02 23:34:11 S 04 38 25.757 -57 26 52.51 V C57
2020-10-02 23:34:11 s 1 -196234.09 8 +280096.65 2830.0 C57
2020-10-02 23:44:11 S 04 38 30.559 -57 26 53.45 V C57
2020-10-02 23:44:11 s 1 -196445.80 9 +279626.77 8630.0 C57
2020-10-02 23:54:11 S 04 38 34.846 -57 26 59.82 V C57
2020-10-02 23:54:11 s 1 -196656.82 5 +279155.87 3890.0 C57
2020-10-03 00:04:11 S 04 38 39.962 -57 26 58.88 V C57
2020-10-03 00:04:11 s 1 -196867.14 2 +278683.97 8600.0 C57
2020-10-03 00:14:11 S 04 38 43.810 -57 26 57.16 V C57
2020-10-03 00:14:11 s 1 -197076.75 8 +278211.05 2770.0 C57
2020-10-03 00:24:11 S 04 38 48.362 -57 26 53.84 V C57
2020-10-03 00:24:11 s 1 -197285.67 0 +277737.11 6400.0 C57
2020-10-03 00:34:11 S 04 38 52.747 -57 26 54.60 V C57
2020-10-03 00:34:11 s 1 -197493.87 7 +277262.16 9480.0 C57
2020-10-03 00:44:11 S 04 38 57.770 -57 26 57.88 V C57
2020-10-03 00:44:11 s 1 -197701.37 6 +276786.19 2010.0 C57
2020-10-03 00:54:11 S 04 39 02.100 -57 26 54.46 V C57
2020-10-03 00:54:11 s 1 -197908.16 4 +276309.21 3990.0 C57
2020-10-03 01:04:11 S 04 39 06.576 -57 26 53.59 V C57