IAA RAS IAA Minor Planet Database

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
2020-09-14 04:04:12 s 1 +28747.172 0 +375953.73 2950.0 – C57
2020-09-14 04:14:12 S 02 17 15.406 -48 49 54.59 – V C57
2020-09-14 04:14:12 s 1 +28369.257 0 +376127.72 6300.0 – C57
2020-09-14 04:24:12 S 02 17 17.198 -48 50 11.18 – V C57
2020-09-14 04:24:12 s 1 +27991.258 0 +376300.67 9650.0 – C57
2020-09-14 04:44:12 S 02 17 20.897 -48 50 36.20 – V C57
2020-09-14 04:44:12 s 1 +27235.008 0 +376643.51 6400.0 – C57
2020-09-14 04:54:12 S 02 17 22.313 -48 50 51.86 – V C57
2020-09-14 04:54:12 s 1 +26856.761 0 +376813.40 9790.0 – C57
2020-09-14 05:04:12 S 02 17 24.478 -48 51 10.84 – V C57
2020-09-14 05:04:12 s 1 +26478.434 0 +376982.26 3190.0 – C57
2020-09-14 05:14:12 S 02 17 26.599 -48 51 21.20 – V C57
2020-09-14 05:14:12 s 1 +26100.027 0 +377150.09 6600.0 – C57
2020-09-14 05:44:12 S 02 17 31.802 -48 51 59.76 – V C57
2020-09-14 05:44:12 s 1 +24964.344 0 +377647.47 6870.0 – C57
2020-09-14 06:04:12 S 02 17 35.647 -48 52 37.56 – V C57
2020-09-14 06:04:12 s 1 +24206.847 0 +377973.95 3750.0 – C57
2020-09-14 08:24:12 S 02 18 01.159 -48 55 59.30 – V C57
2020-09-14 08:24:12 s 1 +18896.744 0 +380145.47 2070.0 – C57
2020-09-14 08:54:12 S 02 18 05.935 -48 56 41.17 – V C57
2020-09-14 08:54:12 s 1 +17757.305 0 +380584.98 2330.0 – C57
2020-09-14 09:04:12 S 02 18 07.394 -48 56 54.53 – V C57
2020-09-14 09:04:12 s 1 +17377.383 0 +380729.47 5740.0 – C57
2020-09-14 09:34:12 S 02 18 12.658 -48 57 34.99 – V C57
2020-09-14 09:34:12 s 1 +16237.302 0 +381156.88 5890.0 – C57
2020-09-14 09:54:12 S 02 18 17.225 -48 58 05.66 – V C57
2020-09-14 09:54:12 s 1 +15476.998 0 +381436.79 2610.0 – C57
2020-09-14 10:54:12 S 02 18 27.559 -48 59 35.59 – V C57
2020-09-14 10:54:12 s 1 +13194.976 0 +382252.42 2410.0 – C57
2020-09-14 11:04:12 S 02 18 29.503 -48 59 54.13 – V C57
2020-09-14 11:04:12 s 1 +12814.488 0 +382384.86 5650.0 – C57
2020-09-14 11:14:12 S 02 18 31.824 -49 00 04.75 – V C57
2020-09-14 11:14:12 s 1 +12433.960 0 +382516.29 8880.0 – C57
2020-09-14 11:24:12 S 02 18 33.331 -49 00 20.27 – V C57
2020-09-14 11:24:12 s 1 +12053.392 0 +382646.72 2080.0 – C57
2020-09-14 12:14:12 S 02 18 43.099 -49 01 29.50 – V C57
2020-09-14 12:14:12 s 1 +10150.002 0 +383283.89 7800.0 – C57
2020-09-14 13:04:12 S 02 18 51.365 -49 02 43.15 – V C57
2020-09-14 13:14:12 S 02 18 53.590 -49 02 56.18 – V C57
2020-09-14 13:24:12 S 02 18 55.716 -49 03 11.34 – V C57
2020-09-14 13:34:12 S 02 18 57.079 -49 03 22.00 – V C57
2020-09-14 13:44:12 S 02 18 59.141 -49 03 40.43 – V C57
2020-09-14 13:54:12 S 02 19 00.595 -49 03 47.99 – V C57
2020-09-14 14:04:12 S 02 19 02.398 -49 04 07.82 – V C57
2020-09-14 14:24:12 S 02 19 07.054 -49 04 36.08 – V C57
2020-09-14 14:44:12 S 02 19 10.234 -49 05 03.59 – V C57
2020-09-14 15:14:12 S 02 19 16.140 -49 05 47.83 – V C57
2020-09-14 15:24:12 S 02 19 18.156 -49 06 07.81 – V C57
2020-09-14 15:44:12 S 02 19 21.310 -49 06 30.67 – V C57
2020-09-14 15:54:12 S 02 19 22.822 -49 06 44.39 – V C57