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
2020-10-01 11:14:11 s 1 -136884.46 7 +359298.50 3340.0 C57
2020-10-01 11:24:11 S 04 22 41.796 -57 21 25.45 V C57
2020-10-01 11:24:11 s 1 -137203.95 0 +359037.26 7520.0 C57
2020-10-01 11:34:11 S 04 22 46.010 -57 21 26.78 V C57
2020-10-01 11:34:11 s 1 -137523.09 5 +358775.10 1410.0 C57
2020-10-01 11:44:11 S 04 22 49.999 -57 21 29.66 V C57
2020-10-01 11:44:11 s 1 -137841.90 2 +358512.02 4990.0 C57
2020-10-01 11:54:11 S 04 22 53.808 -57 21 35.32 V C57
2020-10-01 11:54:11 s 1 -138160.36 8 +358248.03 8270.0 C57
2020-10-01 12:04:11 S 04 22 58.550 -57 21 39.49 V C57
2020-10-01 12:04:11 s 1 -138478.49 3 +357983.12 1260.0 C57
2020-10-01 12:14:11 S 04 23 02.422 -57 21 34.88 V C57
2020-10-01 12:14:11 s 1 -138796.27 6 +357717.30 3940.0 C57
2020-10-01 12:24:11 S 04 23 07.070 -57 21 41.36 V C57
2020-10-01 12:24:11 s 1 -139113.71 5 +357450.55 6320.0 C57
2020-10-01 12:34:11 S 04 23 10.891 -57 21 48.78 V C57
2020-10-01 12:34:11 s 1 -139430.80 9 +357182.90 8400.0 C57
2020-10-01 12:44:11 S 04 23 15.528 -57 21 52.56 V C57
2020-10-01 12:44:11 s 1 -139747.55 8 +356914.32 170.0 C57
2020-10-01 12:54:11 S 04 23 19.704 -57 21 53.24 V C57
2020-10-01 12:54:11 s 1 -140063.95 9 +356644.83 1640.0 C57
2020-10-01 13:04:11 S 04 23 23.827 -57 22 00.16 V C57
2020-10-01 13:04:11 s 1 -140380.01 3 +356374.42 2800.0 C57
2020-10-01 13:14:11 S 04 23 27.972 -57 21 59.47 V C57
2020-10-01 13:14:11 s 1 -140695.71 7 +356103.10 3660.0 C57
2020-10-01 13:24:11 S 04 23 31.872 -57 22 05.56 V C57
2020-10-01 13:24:11 s 1 -141011.07 0 +355830.85 4200.0 C57
2020-10-01 13:34:11 S 04 23 35.450 -57 22 08.29 V C57
2020-10-01 13:34:11 s 1 -141326.07 1 +355557.69 4450.0 C57
2020-10-01 13:44:11 S 04 23 40.438 -57 22 06.78 V C57
2020-10-01 13:44:11 s 1 -141640.72 0 +355283.61 4380.0 C57
2020-10-01 13:54:11 S 04 23 44.863 -57 22 11.17 V C57
2020-10-01 13:54:11 s 1 -141955.01 4 +355008.61 4000.0 C57
2020-10-01 14:04:11 S 04 23 48.566 -57 22 17.22 V C57
2020-10-01 14:04:11 s 1 -142268.95 3 +354732.69 3310.0 C57
2020-10-01 14:14:11 S 04 23 52.608 -57 22 21.29 V C57
2020-10-01 14:14:11 s 1 -142582.53 6 +354455.85 2310.0 C57
2020-10-01 14:24:11 S 04 23 57.362 -57 22 21.61 V C57
2020-10-01 14:24:11 s 1 -142895.76 0 +354178.09 1000.0 C57
2020-10-01 14:34:11 S 04 24 01.598 -57 22 23.77 V C57
2020-10-01 14:34:11 s 1 -143208.62 6 +353899.41 9380.0 C57
2020-10-01 14:44:11 S 04 24 05.712 -57 22 25.54 V C57
2020-10-01 14:44:11 s 1 -143521.13 1 +353619.82 7440.0 C57
2020-10-01 14:54:11 S 04 24 09.492 -57 22 33.53 V C57
2020-10-01 14:54:11 s 1 -143833.27 6 +353339.30 5190.0 C57
2020-10-01 15:04:11 S 04 24 14.088 -57 22 33.17 V C57
2020-10-01 15:04:11 s 1 -144145.05 7 +353057.86 2620.0 C57
2020-10-01 15:14:11 S 04 24 18.350 -57 22 36.05 V C57
2020-10-01 15:14:11 s 1 -144456.47 4 +352775.49 9730.0 C57
2020-10-01 15:24:11 S 04 24 22.181 -57 22 35.76 V C57