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
2020-09-15 04:04:12 s 1 -26025.569 0 +390730.86 5230.0 – C57
2020-09-15 04:14:12 S 02 21 44.544 -49 24 20.02 – V C57
2020-09-15 04:14:12 s 1 -26405.031 0 +390762.82 3030.0 – C57
2020-09-15 04:24:12 S 02 21 45.955 -49 24 38.12 – V C57
2020-09-15 04:24:12 s 1 -26784.434 0 +390793.83 730.0 – C57
2020-09-15 04:34:12 S 02 21 48.113 -49 24 45.83 – V C57
2020-09-15 04:34:12 s 1 -27163.777 0 +390823.89 8350.0 – C57
2020-09-15 04:54:12 S 02 21 51.134 -49 25 17.08 – V C57
2020-09-15 04:54:12 s 1 -27922.280 0 +390881.14 3330.0 – C57
2020-09-15 05:04:12 S 02 21 53.794 -49 25 27.59 – V C57
2020-09-15 05:04:12 s 1 -28301.439 0 +390908.34 680.0 – C57
2020-09-15 05:24:12 S 02 21 57.946 -49 25 54.08 – V C57
2020-09-15 05:24:12 s 1 -29059.564 0 +390959.87 5120.0 – C57
2020-09-15 05:44:12 S 02 22 01.430 -49 26 28.61 – V C57
2020-09-15 05:44:12 s 1 -29817.429 0 +391007.61 9190.0 – C57
2020-09-15 07:04:12 S 02 22 16.882 -49 28 23.09 – V C57
2020-09-15 07:04:12 s 1 -32846.136 0 +391160.52 1760.0 – C57
2020-09-15 07:34:12 S 02 22 22.649 -49 28 55.09 – V C57
2020-09-15 07:34:12 s 1 -33980.701 0 +391202.21 9890.0 – C57
2020-09-15 08:04:12 S 02 22 28.325 -49 29 38.15 – V C57
2020-09-15 08:04:12 s 1 -35114.573 0 +391235.37 7130.0 – C57
2020-09-15 08:14:12 S 02 22 31.013 -49 29 56.44 – V C57
2020-09-15 08:14:12 s 1 -35492.373 0 +391244.53 2680.0 – C57
2020-09-15 08:44:12 S 02 22 36.677 -49 30 37.84 – V C57
2020-09-15 08:44:12 s 1 -36625.285 0 +391266.34 8710.0 – C57
2020-09-15 09:14:12 S 02 22 42.866 -49 31 15.28 – V C57
2020-09-15 09:14:12 s 1 -37757.449 0 +391279.63 3820.0 – C57
2020-09-15 09:24:12 S 02 22 44.693 -49 31 28.16 – V C57
2020-09-15 09:24:12 s 1 -38134.666 0 +391282.18 8640.0 – C57
2020-09-15 09:54:12 S 02 22 51.043 -49 32 16.37 – V C57
2020-09-15 09:54:12 s 1 -39265.795 0 +391284.14 2490.0 – C57
2020-09-15 10:44:12 S 02 23 00.821 -49 33 22.50 – V C57
2020-09-15 10:44:12 s 1 -41149.208 0 +391268.55 3430.0 – C57
2020-09-15 11:34:12 S 02 23 11.042 -49 34 34.18 – V C57
2020-09-15 11:34:12 s 1 -43030.275 0 +391229.41 1610.0 – C57
2020-09-15 11:54:12 S 02 23 14.306 -49 35 02.94 – V C57
2020-09-15 11:54:12 s 1 -43782.019 0 +391207.17 8100.0 – C57
2020-09-15 12:04:12 S 02 23 15.679 -49 35 12.77 – V C57
2020-09-15 12:04:12 s 1 -44157.742 0 +391194.63 1180.0 – C57
2020-09-15 12:14:12 S 02 23 18.156 -49 35 24.58 – V C57
2020-09-15 12:14:12 s 1 -44533.364 0 +391181.16 4140.0 – C57
2020-09-15 12:24:12 S 02 23 20.328 -49 35 41.53 – V C57
2020-09-15 12:24:12 s 1 -44908.884 0 +391166.75 6980.0 – C57
2020-09-15 12:44:12 S 02 23 24.026 -49 36 15.59 – V C57
2020-09-15 12:44:12 s 1 -45659.614 0 +391135.11 2320.0 – C57
2020-09-15 13:04:12 S 02 23 28.135 -49 36 35.28 – V C57
2020-09-15 13:04:12 s 1 -46409.927 0 +391099.71 7200.0 – C57
2020-09-15 13:24:12 S 02 23 32.203 -49 37 06.42 – V C57
2020-09-15 13:24:12 s 1 -47159.814 0 +391060.56 1600.0 – C57
2020-09-15 13:34:12 S 02 23 34.536 -49 37 17.58 – V C57