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
2020-10-11 19:34:11 S 06 33 45.156 -55 59 56.54 – V C57
2020-10-11 19:34:11 s 1 +89819.249 0 +355177.40 5770.0 – C57
2020-10-11 19:54:11 S 06 33 55.721 -55 59 35.92 – V C57
2020-10-11 19:54:11 s 1 +89107.274 0 +355754.56 2660.0 – C57
2020-10-11 20:14:11 S 06 34 05.261 -55 59 12.80 – V C57
2020-10-11 20:14:11 s 1 +88394.275 0 +356327.53 9380.0 – C57
2020-10-11 21:34:11 S 06 34 45.766 -55 57 34.20 – V C57
2020-10-11 21:34:11 s 1 +85532.281 0 +358577.55 4710.0 – C57
2020-10-11 21:44:11 S 06 34 49.490 -55 57 22.14 – V C57
2020-10-11 21:44:11 s 1 +85173.430 0 +358854.11 2720.0 – C57
2020-10-11 21:54:11 S 06 34 54.917 -55 57 10.91 – V C57
2020-10-11 21:54:11 s 1 +84814.340 0 +359129.62 700.0 – C57
2020-10-11 22:04:11 S 06 34 59.971 -55 56 58.13 – V C57
2020-10-11 22:04:11 s 1 +84455.011 0 +359404.10 8640.0 – C57
2020-10-11 22:14:11 S 06 35 04.795 -55 56 47.11 – V C57
2020-10-11 22:14:11 s 1 +84095.445 0 +359677.54 6550.0 – C57
2020-10-11 22:34:11 S 06 35 14.806 -55 56 23.06 – V C57
2020-10-11 22:34:11 s 1 +83375.608 0 +360221.30 2280.0 – C57
2020-10-11 22:44:11 S 06 35 19.699 -55 56 07.69 – V C57
2020-10-11 22:44:11 s 1 +83015.339 0 +360491.62 110.0 – C57
2020-10-11 22:54:11 S 06 35 24.050 -55 56 04.02 – V C57
2020-10-11 22:54:11 s 1 +82654.839 0 +360760.91 7910.0 – C57
2020-10-11 23:04:11 S 06 35 29.664 -55 55 45.05 – V C57
2020-10-11 23:04:11 s 1 +82294.109 0 +361029.16 5680.0 – C57
2020-10-11 23:14:11 S 06 35 35.256 -55 55 26.04 – V C57
2020-10-11 23:14:11 s 1 +81933.150 0 +361296.37 3420.0 – C57
2020-10-11 23:24:11 S 06 35 40.111 -55 55 17.11 – V C57
2020-10-11 23:24:11 s 1 +81571.964 0 +361562.55 1150.0 – C57
2020-10-11 23:44:11 S 06 35 49.591 -55 54 57.06 – V C57
2020-10-11 23:44:11 s 1 +80848.915 0 +362091.82 6520.0 – C57
2020-10-12 00:14:11 S 06 36 04.829 -55 54 10.94 – V C57
2020-10-12 00:14:11 s 1 +79762.672 0 +362877.97 9410.0 – C57
2020-10-12 00:24:11 S 06 36 09.502 -55 54 03.02 – V C57
2020-10-12 00:24:11 s 1 +79400.151 0 +363137.97 7000.0 – C57
2020-10-12 01:14:11 S 06 36 34.620 -55 53 00.10 – V C57
2020-10-12 01:14:11 s 1 +77584.308 0 +364422.50 4700.0 – C57
2020-10-12 01:24:11 S 06 36 39.238 -55 52 49.84 – V C57
2020-10-12 01:24:11 s 1 +77220.501 0 +364676.33 2190.0 – C57
2020-10-12 01:34:11 S 06 36 44.299 -55 52 34.82 – V C57
2020-10-12 01:34:11 s 1 +76856.485 0 +364929.13 9670.0 – C57
2020-10-12 01:44:11 S 06 36 49.106 -55 52 21.36 – V C57
2020-10-12 01:44:11 s 1 +76492.260 0 +365180.90 7140.0 – C57
2020-10-12 01:54:11 S 06 36 53.597 -55 52 13.40 – V C57
2020-10-12 01:54:11 s 1 +76127.828 0 +365431.66 4600.0 – C57
2020-10-12 02:04:11 S 06 36 58.865 -55 51 56.81 – V C57
2020-10-12 02:04:11 s 1 +75763.191 0 +365681.39 2040.0 – C57
2020-10-12 02:34:11 S 06 37 13.781 -55 51 17.21 – V C57
2020-10-12 02:34:11 s 1 +74668.059 0 +366424.45 4310.0 – C57
2020-10-12 02:44:11 S 06 37 18.434 -55 51 06.19 – V C57
2020-10-12 02:44:11 s 1 +74302.612 0 +366670.09 8280.0 – C57