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
2020-09-13 16:34:12 s 1 +54551.020 0 +361428.15 8310.0 – C57
2020-09-13 17:14:12 S 02 15 19.322 -48 33 41.08 – V C57
2020-09-13 17:14:12 s 1 +53073.337 0 +362408.15 6300.0 – C57
2020-09-13 17:44:12 S 02 15 24.101 -48 34 30.68 – V C57
2020-09-13 17:44:12 s 1 +51963.325 0 +363131.82 4050.0 – C57
2020-09-13 19:54:12 S 02 15 47.443 -48 37 35.80 – V C57
2020-09-13 19:54:12 s 1 +47136.873 0 +366156.20 7590.0 – C57
2020-09-13 20:04:12 S 02 15 48.674 -48 37 56.96 – V C57
2020-09-13 20:04:12 s 1 +46764.556 0 +366381.38 5910.0 – C57
2020-09-13 20:24:12 S 02 15 51.979 -48 38 24.90 – V C57
2020-09-13 20:24:12 s 1 +46019.491 0 +366828.53 2390.0 – C57
2020-09-13 20:34:12 S 02 15 54.010 -48 38 36.17 – V C57
2020-09-13 20:34:12 s 1 +45646.747 0 +367050.52 550.0 – C57
2020-09-13 20:54:12 S 02 15 57.905 -48 39 05.51 – V C57
2020-09-13 20:54:12 s 1 +44900.839 0 +367491.30 6710.0 – C57
2020-09-13 23:24:12 S 02 16 24.173 -48 42 51.30 – V C57
2020-09-13 23:24:12 s 1 +39289.705 0 +370662.60 7990.0 – C57
2020-09-13 23:34:12 S 02 16 25.289 -48 43 08.58 – V C57
2020-09-13 23:34:12 s 1 +38914.633 0 +370865.61 640.0 – C57
2020-09-13 23:44:12 S 02 16 27.552 -48 43 20.17 – V C57
2020-09-13 23:44:12 s 1 +38539.444 0 +371067.58 3320.0 – C57
2020-09-13 23:54:12 S 02 16 29.340 -48 43 33.38 – V C57
2020-09-13 23:54:12 s 1 +38164.139 0 +371268.50 6030.0 – C57
2020-09-14 00:24:12 S 02 16 34.522 -48 44 17.48 – V C57
2020-09-14 00:24:12 s 1 +37037.536 0 +371864.98 4380.0 – C57
2020-09-14 00:34:12 S 02 16 36.293 -48 44 32.60 – V C57
2020-09-14 00:34:12 s 1 +36661.777 0 +372061.73 7230.0 – C57
2020-09-14 00:44:12 S 02 16 37.692 -48 44 40.99 – V C57
2020-09-14 00:44:12 s 1 +36285.908 0 +372257.43 110.0 – C57
2020-09-14 00:54:12 S 02 16 39.379 -48 44 56.83 – V C57
2020-09-14 00:54:12 s 1 +35909.930 0 +372452.09 3020.0 – C57
2020-09-14 01:04:12 S 02 16 41.652 -48 45 19.37 – V C57
2020-09-14 01:04:12 s 1 +35533.844 0 +372645.71 5950.0 – C57
2020-09-14 01:44:12 S 02 16 48.391 -48 46 13.30 – V C57
2020-09-14 01:44:12 s 1 +34028.443 0 +373409.79 7990.0 – C57
2020-09-14 01:54:12 S 02 16 50.806 -48 46 31.26 – V C57
2020-09-14 01:54:12 s 1 +33651.835 0 +373598.22 1060.0 – C57
2020-09-14 02:24:12 S 02 16 55.735 -48 47 14.06 – V C57
2020-09-14 02:24:12 s 1 +32521.410 0 +374157.29 430.0 – C57
2020-09-14 02:44:12 S 02 16 59.388 -48 47 37.75 – V C57
2020-09-14 02:44:12 s 1 +31767.304 0 +374524.82 6780.0 – C57
2020-09-14 03:24:12 S 02 17 06.538 -48 48 36.04 – V C57
2020-09-14 03:24:12 s 1 +30257.962 0 +375247.52 9730.0 – C57
2020-09-14 03:34:12 S 02 17 08.323 -48 48 56.48 – V C57
2020-09-14 03:34:12 s 1 +29880.397 0 +375425.61 3010.0 – C57
2020-09-14 03:44:12 S 02 17 09.910 -48 49 09.73 – V C57
2020-09-14 03:44:12 s 1 +29502.743 0 +375602.68 6310.0 – C57
2020-09-14 03:54:12 S 02 17 11.472 -48 49 20.39 – V C57
2020-09-14 03:54:12 s 1 +29125.001 0 +375778.72 9630.0 – C57
2020-09-14 04:04:12 S 02 17 13.548 -48 49 41.27 – V C57