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
2020-09-16 09:14:12 s 1 -90750.855 0 +382028.29 8180.0 – C57
2020-09-16 09:24:12 S 02 27 40.798 -50 04 19.63 – V C57
2020-09-16 09:24:12 s 1 -91106.417 0 +381896.83 2030.0 – C57
2020-09-16 09:34:12 S 02 27 42.516 -50 04 32.77 – V C57
2020-09-16 09:34:12 s 1 -91461.763 0 +381764.46 5690.0 – C57
2020-09-16 09:54:12 S 02 27 47.165 -50 04 59.63 – V C57
2020-09-16 09:54:12 s 1 -92171.803 0 +381496.94 2450.0 – C57
2020-09-16 10:14:12 S 02 27 52.454 -50 05 25.98 – V C57
2020-09-16 10:14:12 s 1 -92880.967 0 +381225.73 8450.0 – C57
2020-09-16 10:24:12 S 02 27 54.305 -50 05 38.18 – V C57
2020-09-16 10:24:12 s 1 -93235.219 0 +381088.74 1180.0 – C57
2020-09-16 10:34:12 S 02 27 55.591 -50 05 56.08 – V C57
2020-09-16 10:34:12 s 1 -93589.249 0 +380950.83 3710.0 – C57
2020-09-16 10:44:12 S 02 27 57.797 -50 06 02.20 – V C57
2020-09-16 10:44:12 s 1 -93943.057 0 +380812.00 6050.0 – C57
2020-09-16 10:54:12 S 02 28 00.737 -50 06 19.26 – V C57
2020-09-16 10:54:12 s 1 -94296.641 0 +380672.24 8200.0 – C57
2020-09-16 11:24:12 S 02 28 06.970 -50 06 59.47 – V C57
2020-09-16 11:24:12 s 1 -95356.043 0 +380247.43 3500.0 – C57
2020-09-16 11:44:12 S 02 28 10.730 -50 07 25.72 – V C57
2020-09-16 11:44:12 s 1 -96061.176 0 +379959.61 6070.0 – C57
2020-09-16 11:54:12 S 02 28 12.883 -50 07 47.14 – V C57
2020-09-16 11:54:12 s 1 -96413.399 0 +379814.31 7060.0 – C57
2020-09-16 12:04:12 S 02 28 14.882 -50 07 52.82 – V C57
2020-09-16 12:04:12 s 1 -96765.392 0 +379668.10 7860.0 – C57
2020-09-16 12:24:12 S 02 28 19.546 -50 08 24.18 – V C57
2020-09-16 12:24:12 s 1 -97468.684 0 +379372.89 8880.0 – C57
2020-09-16 12:34:12 S 02 28 21.634 -50 08 33.14 – V C57
2020-09-16 12:34:12 s 1 -97819.981 0 +379223.91 9090.0 – C57
2020-09-16 12:44:12 S 02 28 24.005 -50 08 50.53 – V C57
2020-09-16 12:44:12 s 1 -98171.043 0 +379074.00 9110.0 – C57
2020-09-16 12:54:12 S 02 28 25.889 -50 09 09.94 – V C57
2020-09-16 12:54:12 s 1 -98521.871 0 +378923.17 8920.0 – C57
2020-09-16 13:04:12 S 02 28 28.073 -50 09 12.31 – V C57
2020-09-16 13:04:12 s 1 -98872.463 0 +378771.41 8540.0 – C57
2020-09-16 13:14:12 S 02 28 30.221 -50 09 28.33 – V C57
2020-09-16 13:14:12 s 1 -99222.818 0 +378618.73 7970.0 – C57
2020-09-16 13:24:12 S 02 28 32.395 -50 09 39.38 – V C57
2020-09-16 13:24:12 s 1 -99572.936 0 +378465.13 7190.0 – C57
2020-09-16 13:34:12 S 02 28 34.589 -50 09 55.12 – V C57
2020-09-16 13:34:12 s 1 -99922.814 0 +378310.61 6210.0 – C57
2020-09-16 13:44:12 S 02 28 36.718 -50 10 10.81 – V C57
2020-09-16 13:44:12 s 1 -100272.45 3 +378155.16 5030.0 – C57
2020-09-16 13:54:12 S 02 28 39.550 -50 10 16.43 – V C57
2020-09-16 13:54:12 s 1 -100621.85 1 +377998.79 3650.0 – C57
2020-09-16 14:04:12 S 02 28 41.410 -50 10 35.65 – V C57
2020-09-16 14:04:12 s 1 -100971.00 8 +377841.50 2080.0 – C57
2020-09-16 14:14:12 S 02 28 43.447 -50 10 51.53 – V C57
2020-09-16 14:14:12 s 1 -101319.92 2 +377683.29 290.0 – C57
2020-09-16 14:24:12 S 02 28 45.655 -50 10 59.12 – V C57