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
2020-10-12 18:54:11 S 06 45 16.627 -55 28 20.75 – V C57
2020-10-12 18:54:11 s 1 +38104.257 0 +385752.77 4670.0 – C57
2020-10-12 19:24:11 S 06 45 31.426 -55 27 37.37 – V C57
2020-10-12 19:24:11 s 1 +36966.306 0 +386195.59 3510.0 – C57
2020-10-12 19:34:11 S 06 45 36.461 -55 27 19.40 – V C57
2020-10-12 19:34:11 s 1 +36586.821 0 +386341.27 2990.0 – C57
2020-10-12 19:44:11 S 06 45 41.909 -55 27 00.04 – V C57
2020-10-12 19:44:11 s 1 +36207.252 0 +386485.99 2410.0 – C57
2020-10-12 19:54:11 S 06 45 45.797 -55 26 53.84 – V C57
2020-10-12 19:54:11 s 1 +35827.603 0 +386629.74 1760.0 – C57
2020-10-12 20:04:11 S 06 45 50.388 -55 26 35.63 – V C57
2020-10-12 20:04:11 s 1 +35447.872 0 +386772.53 1040.0 – C57
2020-10-12 20:14:11 S 06 45 55.613 -55 26 20.69 – V C57
2020-10-12 20:14:11 s 1 +35068.063 0 +386914.36 260.0 – C57
2020-10-12 20:34:11 S 06 46 05.710 -55 25 50.20 – V C57
2020-10-12 20:34:11 s 1 +34308.209 0 +387195.13 8480.0 – C57
2020-10-12 20:44:11 S 06 46 10.452 -55 25 31.98 – V C57
2020-10-12 20:44:11 s 1 +33928.167 0 +387334.07 7480.0 – C57
2020-10-12 20:54:11 S 06 46 15.377 -55 25 14.66 – V C57
2020-10-12 20:54:11 s 1 +33548.049 0 +387472.05 6410.0 – C57
2020-10-12 21:04:11 S 06 46 20.446 -55 25 08.51 – V C57
2020-10-12 21:04:11 s 1 +33167.857 0 +387609.08 5280.0 – C57
2020-10-12 21:14:11 S 06 46 24.996 -55 24 43.67 – V C57
2020-10-12 21:14:11 s 1 +32787.592 0 +387745.14 4070.0 – C57
2020-10-12 21:24:11 S 06 46 30.202 -55 24 27.94 – V C57
2020-10-12 21:24:11 s 1 +32407.254 0 +387880.24 2780.0 – C57
2020-10-12 21:34:11 S 06 46 34.920 -55 24 16.49 – V C57
2020-10-12 21:34:11 s 1 +32026.845 0 +388014.39 1430.0 – C57
2020-10-12 23:14:11 S 06 47 23.906 -55 21 32.80 – V C57
2020-10-12 23:14:11 s 1 +28219.053 0 +389303.19 3680.0 – C57
2020-10-12 23:24:11 S 06 47 29.642 -55 21 22.50 – V C57
2020-10-12 23:24:11 s 1 +27837.925 0 +389426.81 1470.0 – C57
2020-10-12 23:44:11 S 06 47 38.786 -55 20 55.46 – V C57
2020-10-12 23:44:11 s 1 +27075.493 0 +389671.20 6820.0 – C57
2020-10-13 00:04:11 S 06 47 48.910 -55 20 18.85 – V C57
2020-10-13 00:04:11 s 1 +26312.832 0 +389911.77 1830.0 – C57
2020-10-13 00:24:11 S 06 47 58.070 -55 19 44.33 – V C57
2020-10-13 00:24:11 s 1 +25549.949 0 +390148.53 6510.0 – C57
2020-10-13 00:34:11 S 06 48 03.271 -55 19 36.30 – V C57
2020-10-13 00:34:11 s 1 +25168.427 0 +390265.49 3720.0 – C57
2020-10-13 00:44:11 S 06 48 07.325 -55 19 13.15 – V C57
2020-10-13 00:44:11 s 1 +24786.853 0 +390381.49 850.0 – C57
2020-10-13 00:54:11 S 06 48 12.878 -55 18 58.00 – V C57
2020-10-13 00:54:11 s 1 +24405.227 0 +390496.54 7890.0 – C57
2020-10-13 01:04:11 S 06 48 17.628 -55 18 40.93 – V C57
2020-10-13 01:04:11 s 1 +24023.551 0 +390610.65 4850.0 – C57
2020-10-13 01:14:11 S 06 48 22.502 -55 18 21.31 – V C57
2020-10-13 01:14:11 s 1 +23641.825 0 +390723.80 1720.0 – C57
2020-10-13 01:24:11 S 06 48 27.396 -55 18 11.81 – V C57
2020-10-13 01:24:11 s 1 +23260.051 0 +390836.00 8500.0 – C57