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
2020-09-19 21:44:12 s 1 -216080.59 9 +192464.99 1220.0 – C57
2020-09-19 21:54:12 S 02 48 48.278 -51 48 59.18 – V C57
2020-09-19 21:54:12 s 1 -216136.94 7 +191828.64 1370.0 – C57
2020-09-19 22:04:12 S 02 48 50.861 -51 49 10.67 – V C57
2020-09-19 22:04:12 s 1 -216192.01 2 +191191.14 710.0 – C57
2020-09-19 22:34:12 S 02 48 59.928 -51 49 37.60 – V C57
2020-09-19 22:34:12 s 1 -216349.45 4 +189271.78 3920.0 – C57
2020-09-19 22:44:12 S 02 49 03.394 -51 49 51.74 – V C57
2020-09-19 22:44:12 s 1 -216399.33 2 +188629.71 30.0 – C57
2020-09-19 23:04:12 S 02 49 08.431 -51 50 12.01 – V C57
2020-09-19 23:04:12 s 1 -216495.14 9 +187342.11 9790.0 – C57
2020-09-19 23:24:12 S 02 49 14.686 -51 50 41.68 – V C57
2020-09-19 23:24:12 s 1 -216585.68 0 +186049.93 6260.0 – C57
2020-09-19 23:54:12 S 02 49 24.386 -51 51 12.28 – V C57
2020-09-19 23:54:12 s 1 -216711.46 3 +184103.02 9730.0 – C57
2020-09-20 00:24:12 S 02 49 31.975 -51 51 47.84 – V C57
2020-09-20 00:24:12 s 1 -216825.09 3 +182145.76 5630.0 – C57
2020-09-20 00:34:12 S 02 49 35.945 -51 52 01.88 – V C57
2020-09-20 00:34:12 s 1 -216860.24 2 +181491.03 2570.0 – C57
2020-09-20 01:04:12 S 02 49 44.287 -51 52 31.87 – V C57
2020-09-20 01:04:12 s 1 -216957.42 2 +179519.93 8240.0 – C57
2020-09-20 01:54:12 S 02 49 59.326 -51 53 26.77 – V C57
2020-09-20 01:54:12 s 1 -217091.47 2 +176211.63 7030.0 – C57
2020-09-20 02:04:12 S 02 50 02.544 -51 53 42.90 – V C57
2020-09-20 02:04:12 s 1 -217114.04 0 +175546.49 6160.0 – C57
2020-09-20 02:54:12 S 02 50 18.031 -51 54 33.26 – V C57
2020-09-20 02:54:12 s 1 -217205.32 0 +172203.42 8430.0 – C57
2020-09-20 05:04:12 S 02 50 56.366 -51 57 02.59 – V C57
2020-09-20 05:04:12 s 1 -217269.68 1 +163375.31 5340.0 – C57
2020-09-20 05:14:12 S 02 50 59.868 -51 57 13.68 – V C57
2020-09-20 05:14:12 s 1 -217263.98 5 +162688.06 6990.0 – C57
2020-09-20 06:04:12 S 02 51 15.240 -51 58 12.25 – V C57
2020-09-20 06:04:12 s 1 -217212.02 9 +159234.25 770.0 – C57
2020-09-20 07:14:12 S 02 51 36.494 -51 59 29.65 – V C57
2020-09-20 07:14:12 s 1 -217072.22 6 +154349.73 790.0 – C57
2020-09-20 07:34:12 S 02 51 42.643 -51 59 52.58 – V C57
2020-09-20 07:34:12 s 1 -217017.59 7 +152943.60 7490.0 – C57
2020-09-20 08:04:12 S 02 51 52.577 -52 00 27.36 – V C57
2020-09-20 08:04:12 s 1 -216923.18 5 +150825.59 4870.0 – C57
2020-09-20 08:44:12 S 02 52 04.032 -52 01 05.09 – V C57
2020-09-20 08:44:12 s 1 -216773.69 5 +147985.14 3570.0 – C57
2020-09-20 09:54:12 S 02 52 26.546 -52 02 20.94 – V C57
2020-09-20 09:54:12 s 1 -216445.70 8 +142969.09 8130.0 – C57
2020-09-20 10:34:12 S 02 52 38.890 -52 03 13.28 – V C57
2020-09-20 10:34:12 s 1 -216219.43 4 +140076.90 9820.0 – C57
2020-09-20 11:14:12 S 02 52 50.834 -52 03 57.74 – V C57
2020-09-20 11:14:12 s 1 -215964.20 8 +137165.89 3830.0 – C57
2020-09-20 11:44:12 S 02 53 00.938 -52 04 23.56 – V C57
2020-09-20 11:44:12 s 1 -215753.44 5 +134970.28 40.0 – C57
2020-09-20 12:44:12 S 02 53 19.889 -52 05 33.00 – V C57