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 15:34:11 S 03 48 34.526 -56 17 56.08 – V C57
2020-09-27 15:34:11 s 1 +63554.947 0 +365512.77 4340.0 – C57
2020-09-27 15:44:11 S 03 48 37.522 -56 18 08.57 – V C57
2020-09-27 15:44:11 s 1 +63190.542 0 +365760.25 2300.0 – C57
2020-09-27 15:54:11 S 03 48 40.675 -56 18 19.40 – V C57
2020-09-27 15:54:11 s 1 +62825.956 0 +366006.70 220.0 – C57
2020-09-27 16:04:11 S 03 48 44.755 -56 18 25.96 – V C57
2020-09-27 16:04:11 s 1 +62461.190 0 +366252.13 8100.0 – C57
2020-09-27 16:14:11 S 03 48 47.016 -56 18 39.82 – V C57
2020-09-27 16:14:11 s 1 +62096.245 0 +366496.53 5940.0 – C57
2020-09-27 16:24:11 S 03 48 50.266 -56 18 49.43 – V C57
2020-09-27 16:24:11 s 1 +61731.123 0 +366739.90 3730.0 – C57
2020-09-27 16:34:11 S 03 48 53.938 -56 19 00.66 – V C57
2020-09-27 16:34:11 s 1 +61365.824 0 +366982.25 1480.0 – C57
2020-09-27 16:54:11 S 03 49 00.653 -56 19 23.27 – V C57
2020-09-27 16:54:11 s 1 +60634.704 0 +367463.88 6870.0 – C57
2020-09-27 17:04:11 S 03 49 03.782 -56 19 31.94 – V C57
2020-09-27 17:04:11 s 1 +60268.884 0 +367703.16 4500.0 – C57
2020-09-27 17:14:11 S 03 49 06.888 -56 19 41.23 – V C57
2020-09-27 17:14:11 s 1 +59902.894 0 +367941.41 2090.0 – C57
2020-09-27 17:24:11 S 03 49 10.685 -56 19 50.63 – V C57
2020-09-27 17:24:11 s 1 +59536.733 0 +368178.65 9650.0 – C57
2020-09-27 17:34:11 S 03 49 13.529 -56 19 57.97 – V C57
2020-09-27 17:34:11 s 1 +59170.404 0 +368414.86 7170.0 – C57
2020-09-27 17:44:11 S 03 49 16.447 -56 20 16.26 – V C57
2020-09-27 17:44:11 s 1 +58803.907 0 +368650.06 4660.0 – C57
2020-09-27 18:04:11 S 03 49 24.110 -56 20 32.75 – V C57
2020-09-27 18:04:11 s 1 +58070.416 0 +369117.39 9520.0 – C57
2020-09-27 18:14:11 S 03 49 27.295 -56 20 43.26 – V C57
2020-09-27 18:14:11 s 1 +57703.424 0 +369349.53 6900.0 – C57
2020-09-27 18:24:11 S 03 49 30.775 -56 20 53.12 – V C57
2020-09-27 18:24:11 s 1 +57336.270 0 +369580.65 4250.0 – C57
2020-09-27 18:54:11 S 03 49 40.514 -56 21 22.57 – V C57
2020-09-27 18:54:11 s 1 +56233.842 0 +370267.93 6100.0 – C57
2020-09-27 19:04:11 S 03 49 43.495 -56 21 35.46 – V C57
2020-09-27 19:04:11 s 1 +55866.050 0 +370494.99 6680.0 – C57
2020-09-27 19:14:11 S 03 49 46.908 -56 21 45.32 – V C57
2020-09-27 19:14:11 s 1 +55498.100 0 +370721.04 9490.0 – C57
2020-09-27 19:24:11 S 03 49 50.306 -56 21 53.06 – V C57
2020-09-27 19:24:11 s 1 +55129.995 0 +370946.08 2320.0 – C57
2020-09-27 19:34:11 S 03 49 53.580 -56 22 02.28 – V C57
2020-09-27 19:34:11 s 1 +54761.736 0 +371170.11 5190.0 – C57
2020-09-27 19:44:11 S 03 49 56.825 -56 22 12.18 – V C57
2020-09-27 19:44:11 s 1 +54393.324 0 +371393.13 8080.0 – C57
2020-09-27 20:14:11 S 03 50 06.785 -56 22 42.13 – V C57
2020-09-27 20:14:11 s 1 +53287.182 0 +372056.12 6920.0 – C57
2020-09-27 20:24:11 S 03 50 09.830 -56 22 54.91 – V C57
2020-09-27 20:24:11 s 1 +52918.170 0 +372275.10 9910.0 – C57
2020-09-27 20:34:11 S 03 50 13.586 -56 23 05.03 – V C57
2020-09-27 20:34:11 s 1 +52549.010 0 +372493.07 2930.0 – C57