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 05:14:11 s 1 -169183.89 8 +325733.61 6370.0 C57
2020-10-02 05:24:11 S 04 30 21.192 -57 25 44.08 V C57
2020-10-02 05:24:11 s 1 -169459.54 5 +325371.66 3260.0 C57
2020-10-02 05:34:11 S 04 30 25.255 -57 25 45.37 V C57
2020-10-02 05:34:11 s 1 -169734.70 9 +325008.76 9740.0 C57
2020-10-02 05:44:11 S 04 30 29.962 -57 25 46.56 V C57
2020-10-02 05:44:11 s 1 -170009.38 8 +324644.91 5830.0 C57
2020-10-02 05:54:11 S 04 30 34.205 -57 25 50.41 V C57
2020-10-02 05:54:11 s 1 -170283.58 1 +324280.10 1520.0 C57
2020-10-02 06:44:11 S 04 30 56.472 -57 25 53.76 V C57
2020-10-02 06:44:11 s 1 -171647.19 8 +322441.71 3920.0 C57
2020-10-02 07:04:11 S 04 31 04.644 -57 26 01.72 V C57
2020-10-02 07:04:11 s 1 -172189.18 6 +321699.66 30.0 C57
2020-10-02 07:14:11 S 04 31 09.077 -57 26 00.96 V C57
2020-10-02 07:14:11 s 1 -172459.43 2 +321327.20 2480.0 C57
2020-10-02 07:24:11 S 04 31 13.027 -57 26 04.42 V C57
2020-10-02 07:24:11 s 1 -172729.17 7 +320953.78 4510.0 C57
2020-10-02 07:34:11 S 04 31 17.921 -57 26 02.36 V C57
2020-10-02 07:34:11 s 1 -172998.42 1 +320579.40 6140.0 C57
2020-10-02 07:44:11 S 04 31 22.397 -57 26 08.12 V C57
2020-10-02 07:44:11 s 1 -173267.16 0 +320204.06 7350.0 C57
2020-10-02 08:04:11 S 04 31 30.446 -57 26 08.38 V C57
2020-10-02 08:04:11 s 1 -173803.12 0 +319450.50 8530.0 C57
2020-10-02 08:24:11 S 04 31 40.157 -57 26 08.02 V C57
2020-10-02 08:24:11 s 1 -174337.04 5 +318693.10 8050.0 C57
2020-10-02 08:44:11 S 04 31 48.442 -57 26 12.91 V C57
2020-10-02 08:44:11 s 1 -174868.92 1 +317931.85 5900.0 C57
2020-10-02 08:54:11 S 04 31 52.207 -57 26 12.12 V C57
2020-10-02 08:54:11 s 1 -175134.08 6 +317549.78 4190.0 C57
2020-10-02 09:04:11 S 04 31 57.050 -57 26 11.15 V C57
2020-10-02 09:04:11 s 1 -175398.73 4 +317166.75 2060.0 C57
2020-10-02 09:14:11 S 04 32 01.459 -57 26 18.10 V C57
2020-10-02 09:14:11 s 1 -175662.86 3 +316782.76 9510.0 C57
2020-10-02 09:24:11 S 04 32 06.602 -57 26 16.58 V C57
2020-10-02 09:24:11 s 1 -175926.47 1 +316397.80 6530.0 C57
2020-10-02 09:34:11 S 04 32 10.730 -57 26 21.48 V C57
2020-10-02 09:34:11 s 1 -176189.55 7 +316011.87 3130.0 C57
2020-10-02 09:44:11 S 04 32 14.179 -57 26 22.96 V C57
2020-10-02 09:44:11 s 1 -176452.11 9 +315624.98 9310.0 C57
2020-10-02 09:54:11 S 04 32 19.320 -57 26 20.98 V C57
2020-10-02 09:54:11 s 1 -176714.15 5 +315237.13 5060.0 C57
2020-10-02 10:04:11 S 04 32 23.479 -57 26 22.02 V C57
2020-10-02 10:04:11 s 1 -176975.66 3 +314848.31 370.0 C57
2020-10-02 10:14:11 S 04 32 27.946 -57 26 26.77 V C57
2020-10-02 10:14:11 s 1 -177236.64 2 +314458.52 5260.0 C57
2020-10-02 10:24:11 S 04 32 32.498 -57 26 26.56 V C57
2020-10-02 10:24:11 s 1 -177497.09 0 +314067.76 9720.0 C57
2020-10-02 10:34:11 S 04 32 36.974 -57 26 27.56 V C57
2020-10-02 10:34:11 s 1 -177757.00 5 +313676.04 3750.0 C57
2020-10-02 10:44:11 S 04 32 40.642 -57 26 23.86 V C57