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
2020-09-27 11:14:11 S 03 47 09.209 -56 13 28.20 – V C57
2020-09-27 11:14:11 s 1 +72961.625 0 +358714.61 9310.0 – C57
2020-09-27 11:24:12 S 03 47 12.192 -56 13 34.75 – V C57
2020-09-27 11:24:12 s 1 +72602.389 0 +358989.12 8680.0 – C57
2020-09-27 11:34:11 S 03 47 15.422 -56 13 49.26 – V C57
2020-09-27 11:34:11 s 1 +72242.938 0 +359262.58 8000.0 – C57
2020-09-27 11:44:11 S 03 47 19.018 -56 14 02.83 – V C57
2020-09-27 11:44:11 s 1 +71883.273 0 +359534.99 7250.0 – C57
2020-09-27 11:54:11 S 03 47 21.960 -56 14 12.16 – V C57
2020-09-27 11:54:11 s 1 +71523.394 0 +359806.35 6430.0 – C57
2020-09-27 12:04:11 S 03 47 24.619 -56 14 19.25 – V C57
2020-09-27 12:04:11 s 1 +71163.305 0 +360076.66 5560.0 – C57
2020-09-27 12:14:11 S 03 47 28.289 -56 14 32.17 – V C57
2020-09-27 12:14:11 s 1 +70803.005 0 +360345.92 4630.0 – C57
2020-09-27 12:24:11 S 03 47 31.762 -56 14 40.38 – V C57
2020-09-27 12:24:11 s 1 +70442.497 0 +360614.14 3630.0 – C57
2020-09-27 12:34:11 S 03 47 34.872 -56 14 54.35 – V C57
2020-09-27 12:34:11 s 1 +70081.781 0 +360881.32 2580.0 – C57
2020-09-27 12:44:11 S 03 47 38.261 -56 15 05.69 – V C57
2020-09-27 12:44:11 s 1 +69720.859 0 +361147.45 1460.0 – C57
2020-09-27 12:54:11 S 03 47 42.014 -56 15 22.18 – V C57
2020-09-27 12:54:11 s 1 +69359.732 0 +361412.54 290.0 – C57
2020-09-27 13:14:11 S 03 47 48.295 -56 15 34.67 – V C57
2020-09-27 13:14:11 s 1 +68636.870 0 +361939.59 7780.0 – C57
2020-09-27 13:24:11 S 03 47 51.722 -56 15 45.90 – V C57
2020-09-27 13:24:11 s 1 +68275.137 0 +362201.55 6440.0 – C57
2020-09-27 13:34:11 S 03 47 54.480 -56 15 52.88 – V C57
2020-09-27 13:34:11 s 1 +67913.205 0 +362462.48 5050.0 – C57
2020-09-27 13:44:11 S 03 47 58.294 -56 16 05.59 – V C57
2020-09-27 13:44:11 s 1 +67551.075 0 +362722.36 3600.0 – C57
2020-09-27 13:54:11 S 03 48 00.814 -56 16 14.99 – V C57
2020-09-27 13:54:11 s 1 +67188.748 0 +362981.21 2100.0 – C57
2020-09-27 14:04:11 S 03 48 04.121 -56 16 25.64 – V C57
2020-09-27 14:04:11 s 1 +66826.226 0 +363239.02 550.0 – C57
2020-09-27 14:14:11 S 03 48 07.690 -56 16 38.14 – V C57
2020-09-27 14:14:11 s 1 +66463.510 0 +363495.79 8940.0 – C57
2020-09-27 14:24:11 S 03 48 11.333 -56 16 48.86 – V C57
2020-09-27 14:24:11 s 1 +66100.600 0 +363751.53 7290.0 – C57
2020-09-27 14:34:11 S 03 48 14.585 -56 16 59.92 – V C57
2020-09-27 14:34:11 s 1 +65737.500 0 +364006.23 5580.0 – C57
2020-09-27 14:44:11 S 03 48 17.765 -56 17 08.84 – V C57
2020-09-27 14:44:11 s 1 +65374.209 0 +364259.90 3830.0 – C57
2020-09-27 14:54:11 S 03 48 21.449 -56 17 16.87 – V C57
2020-09-27 14:54:11 s 1 +65010.729 0 +364512.54 2020.0 – C57
2020-09-27 15:04:11 S 03 48 24.331 -56 17 30.12 – V C57
2020-09-27 15:04:11 s 1 +64647.062 0 +364764.14 170.0 – C57
2020-09-27 15:14:11 S 03 48 27.264 -56 17 38.94 – V C57
2020-09-27 15:14:11 s 1 +64283.208 0 +365014.71 8270.0 – C57
2020-09-27 15:24:11 S 03 48 30.684 -56 17 50.82 – V C57
2020-09-27 15:24:11 s 1 +63919.169 0 +365264.26 6330.0 – C57