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 13:34:12 s 1 -47534.596 0 +391039.57 3630.0 – C57
2020-09-15 13:54:12 S 02 23 38.222 -49 37 47.75 – V C57
2020-09-15 13:54:12 s 1 -48283.833 0 +390994.79 7310.0 – C57
2020-09-15 14:24:12 S 02 23 44.026 -49 38 35.09 – V C57
2020-09-15 14:24:12 s 1 -49406.855 0 +390920.60 1940.0 – C57
2020-09-15 15:34:12 S 02 23 58.262 -49 40 00.34 – V C57
2020-09-15 15:34:12 s 1 -52023.230 0 +390714.69 8410.0 – C57
2020-09-15 15:54:12 S 02 24 02.066 -49 40 33.60 – V C57
2020-09-15 15:54:12 s 1 -52769.703 0 +390647.44 9130.0 – C57
2020-09-15 16:04:12 S 02 24 04.891 -49 40 49.04 – V C57
2020-09-15 16:04:12 s 1 -53142.758 0 +390612.42 9300.0 – C57
2020-09-15 16:24:12 S 02 24 08.496 -49 41 18.49 – V C57
2020-09-15 16:24:12 s 1 -53888.501 0 +390539.56 9250.0 – C57
2020-09-15 16:34:12 S 02 24 10.610 -49 41 26.16 – V C57
2020-09-15 16:34:12 s 1 -54261.186 0 +390501.73 9030.0 – C57
2020-09-15 16:44:12 S 02 24 12.698 -49 41 47.58 – V C57
2020-09-15 16:44:12 s 1 -54633.747 0 +390462.97 8680.0 – C57
2020-09-15 16:54:12 S 02 24 14.885 -49 41 56.11 – V C57
2020-09-15 16:54:12 s 1 -55006.182 0 +390423.27 8210.0 – C57
2020-09-15 17:14:12 S 02 24 18.720 -49 42 22.75 – V C57
2020-09-15 17:14:12 s 1 -55750.672 0 +390341.08 6860.0 – C57
2020-09-15 17:34:12 S 02 24 22.397 -49 42 50.26 – V C57
2020-09-15 17:34:12 s 1 -56494.647 0 +390255.15 4980.0 – C57
2020-09-15 17:54:12 S 02 24 26.357 -49 43 13.80 – V C57
2020-09-15 17:54:12 s 1 -57238.102 0 +390165.49 2570.0 – C57
2020-09-15 19:34:12 S 02 24 47.438 -49 45 36.94 – V C57
2020-09-15 19:34:12 s 1 -60947.319 0 +389661.29 2360.0 – C57
2020-09-15 19:44:12 S 02 24 48.814 -49 45 50.15 – V C57
2020-09-15 19:44:12 s 1 -61317.481 0 +389605.75 9570.0 – C57
2020-09-15 19:54:12 S 02 24 52.200 -49 46 01.45 – V C57
2020-09-15 19:54:12 s 1 -61687.501 0 +389549.28 6650.0 – C57
2020-09-15 20:14:12 S 02 24 55.637 -49 46 30.58 – V C57
2020-09-15 20:14:12 s 1 -62427.113 0 +389433.54 380.0 – C57
2020-09-15 20:24:12 S 02 24 57.703 -49 46 34.68 – V C57
2020-09-15 20:24:12 s 1 -62796.702 0 +389374.28 7030.0 – C57
2020-09-15 20:34:12 S 02 24 59.544 -49 46 56.17 – V C57
2020-09-15 20:34:12 s 1 -63166.147 0 +389314.09 3540.0 – C57
2020-09-15 20:54:12 S 02 25 04.298 -49 47 23.14 – V C57
2020-09-15 20:54:12 s 1 -63904.597 0 +389190.92 6130.0 – C57
2020-09-15 21:04:12 S 02 25 05.681 -49 47 35.41 – V C57
2020-09-15 21:04:12 s 1 -64273.600 0 +389127.94 2210.0 – C57
2020-09-15 21:24:12 S 02 25 10.222 -49 48 05.26 – V C57
2020-09-15 21:24:12 s 1 -65011.160 0 +388999.19 3930.0 – C57
2020-09-15 21:34:12 S 02 25 11.635 -49 48 22.43 – V C57
2020-09-15 21:34:12 s 1 -65379.715 0 +388933.42 9570.0 – C57
2020-09-15 21:44:12 S 02 25 14.177 -49 48 33.70 – V C57
2020-09-15 21:44:12 s 1 -65748.118 0 +388866.73 5070.0 – C57
2020-09-15 21:54:12 S 02 25 15.754 -49 48 45.86 – V C57
2020-09-15 21:54:12 s 1 -66116.368 0 +388799.10 410.0 – C57
2020-09-15 22:04:12 S 02 25 17.515 -49 49 00.55 – V C57