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 10:44:11 s 1 -178016.38 6 +313283.35 7340.0 C57
2020-10-02 10:54:11 S 04 32 45.278 -57 26 28.72 V C57
2020-10-02 10:54:11 s 1 -178275.23 0 +312889.69 500.0 C57
2020-10-02 11:04:11 S 04 32 49.680 -57 26 32.06 V C57
2020-10-02 11:04:11 s 1 -178533.53 7 +312495.06 3220.0 C57
2020-10-02 11:14:11 S 04 32 54.888 -57 26 29.51 V C57
2020-10-02 11:14:11 s 1 -178791.30 3 +312099.46 5500.0 C57
2020-10-02 11:24:11 S 04 32 58.939 -57 26 29.65 V C57
2020-10-02 11:24:11 s 1 -179048.52 8 +311702.90 7350.0 C57
2020-10-02 11:34:11 S 04 33 02.554 -57 26 33.83 V C57
2020-10-02 11:34:11 s 1 -179305.21 0 +311305.36 8760.0 C57
2020-10-02 11:44:11 S 04 33 07.358 -57 26 33.18 V C57
2020-10-02 11:44:11 s 1 -179561.34 6 +310906.85 9730.0 C57
2020-10-02 11:54:11 S 04 33 11.959 -57 26 29.58 V C57
2020-10-02 11:54:11 s 1 -179816.93 5 +310507.36 260.0 C57
2020-10-02 12:04:11 S 04 33 16.354 -57 26 34.48 V C57
2020-10-02 12:04:11 s 1 -180071.97 6 +310106.91 340.0 C57
2020-10-02 12:14:11 S 04 33 20.777 -57 26 31.02 V C57
2020-10-02 12:14:11 s 1 -180326.46 6 +309705.48 9980.0 C57
2020-10-02 12:24:11 S 04 33 25.150 -57 26 40.78 V C57
2020-10-02 12:24:11 s 1 -180580.40 3 +309303.08 9180.0 C57
2020-10-02 12:34:11 S 04 33 29.508 -57 26 39.34 V C57
2020-10-02 12:34:11 s 1 -180833.78 6 +308899.71 7920.0 C57
2020-10-02 12:44:11 S 04 33 33.643 -57 26 38.87 V C57
2020-10-02 12:44:11 s 1 -181086.61 4 +308495.36 6230.0 C57
2020-10-02 12:54:11 S 04 33 38.143 -57 26 39.80 V C57
2020-10-02 12:54:11 s 1 -181338.88 3 +308090.04 4080.0 C57
2020-10-02 13:04:11 S 04 33 42.528 -57 26 37.61 V C57
2020-10-02 13:04:11 s 1 -181590.59 3 +307683.74 1480.0 C57
2020-10-02 13:14:11 S 04 33 47.074 -57 26 39.70 V C57
2020-10-02 13:14:11 s 1 -181841.74 1 +307276.46 8430.0 C57
2020-10-02 13:44:11 S 04 34 00.367 -57 26 43.55 V C57
2020-10-02 13:44:11 s 1 -182591.79 6 +306048.78 6560.0 C57
2020-10-02 13:54:11 S 04 34 05.069 -57 26 47.83 V C57
2020-10-02 13:54:11 s 1 -182840.67 9 +305637.60 1690.0 C57
2020-10-02 14:14:11 S 04 34 13.661 -57 26 46.07 V C57
2020-10-02 14:14:11 s 1 -183336.73 1 +304812.29 580.0 C57
2020-10-02 14:24:11 S 04 34 18.780 -57 26 47.98 V C57
2020-10-02 14:24:11 s 1 -183583.89 5 +304398.17 4340.0 C57
2020-10-02 14:34:11 S 04 34 22.565 -57 26 47.54 V C57
2020-10-02 14:34:11 s 1 -183830.48 3 +303983.07 7630.0 C57
2020-10-02 14:44:11 S 04 34 27.533 -57 26 48.16 V C57
2020-10-02 14:44:11 s 1 -184076.49 2 +303566.99 460.0 C57
2020-10-02 14:54:11 S 04 34 31.555 -57 26 49.63 V C57
2020-10-02 14:54:11 s 1 -184321.92 1 +303149.93 2830.0 C57
2020-10-02 15:04:11 S 04 34 36.665 -57 26 46.79 V C57
2020-10-02 15:04:11 s 1 -184566.76 8 +302731.89 4730.0 C57
2020-10-02 15:14:11 S 04 34 41.076 -57 26 51.68 V C57
2020-10-02 15:14:11 s 1 -184811.03 0 +302312.86 6160.0 C57
2020-10-02 15:24:11 S 04 34 44.892 -57 26 50.53 V C57