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
2020-10-01 01:44:11 s 1 -118151.98 8 +372684.95 7340.0 C57
2020-10-01 01:54:11 S 04 18 47.102 -57 18 01.87 V C57
2020-10-01 01:54:11 s 1 -118488.89 5 +372475.47 7240.0 C57
2020-10-01 02:04:11 S 04 18 51.922 -57 17 58.06 V C57
2020-10-01 02:04:11 s 1 -118825.52 5 +372265.09 6890.0 C57
2020-10-01 02:34:11 S 04 19 03.226 -57 18 17.35 V C57
2020-10-01 02:34:11 s 1 -119833.75 0 +371628.52 4310.0 C57
2020-10-01 02:54:11 S 04 19 12.223 -57 18 22.43 V C57
2020-10-01 02:54:11 s 1 -120504.50 2 +371199.63 1300.0 C57
2020-10-01 03:04:11 S 04 19 16.049 -57 18 26.82 V C57
2020-10-01 03:04:11 s 1 -120839.45 5 +370983.83 9410.0 C57
2020-10-01 03:14:11 S 04 19 19.726 -57 18 32.40 V C57
2020-10-01 03:14:11 s 1 -121174.12 4 +370767.12 7250.0 C57
2020-10-01 03:24:11 S 04 19 24.283 -57 18 35.46 V C57
2020-10-01 03:24:11 s 1 -121508.51 0 +370549.51 4840.0 C57
2020-10-01 03:44:11 S 04 19 32.609 -57 18 43.42 V C57
2020-10-01 03:44:11 s 1 -122176.42 4 +370111.58 9220.0 C57
2020-10-01 04:04:11 S 04 19 40.690 -57 18 48.53 V C57
2020-10-01 04:04:11 s 1 -122843.18 9 +369670.04 2550.0 C57
2020-10-01 04:14:11 S 04 19 45.091 -57 18 52.81 V C57
2020-10-01 04:14:11 s 1 -123176.13 7 +369447.90 8820.0 C57
2020-10-01 04:24:11 S 04 19 48.996 -57 18 59.47 V C57
2020-10-01 04:24:11 s 1 -123508.79 6 +369224.87 4830.0 C57
2020-10-01 04:34:11 S 04 19 52.416 -57 19 01.16 V C57
2020-10-01 04:34:11 s 1 -123841.16 3 +369000.93 560.0 C57
2020-10-01 04:54:11 S 04 20 01.382 -57 19 11.78 V C57
2020-10-01 04:54:11 s 1 -124505.01 7 +368550.33 1240.0 C57
2020-10-01 05:04:11 S 04 20 05.645 -57 19 09.23 V C57
2020-10-01 05:04:11 s 1 -124836.50 3 +368323.67 6170.0 C57
2020-10-01 05:14:11 S 04 20 09.062 -57 19 14.70 V C57
2020-10-01 05:14:11 s 1 -125167.69 4 +368096.10 840.0 C57
2020-10-01 05:24:11 S 04 20 13.339 -57 19 18.37 V C57
2020-10-01 05:24:11 s 1 -125498.58 7 +367867.63 5240.0 C57
2020-10-01 05:34:11 S 04 20 17.105 -57 19 23.99 V C57
2020-10-01 05:34:11 s 1 -125829.18 2 +367638.26 9360.0 C57
2020-10-01 05:44:11 S 04 20 21.965 -57 19 28.16 V C57
2020-10-01 05:44:11 s 1 -126159.47 9 +367407.97 3220.0 C57
2020-10-01 05:54:11 S 04 20 24.922 -57 19 30.36 V C57
2020-10-01 05:54:11 s 1 -126489.47 6 +367176.78 6800.0 C57
2020-10-01 06:04:11 S 04 20 29.911 -57 19 32.88 V C57
2020-10-01 06:04:11 s 1 -126819.17 1 +366944.68 110.0 C57
2020-10-01 06:14:11 S 04 20 33.542 -57 19 36.30 V C57
2020-10-01 06:14:11 s 1 -127148.56 5 +366711.68 3150.0 C57
2020-10-01 06:24:11 S 04 20 37.466 -57 19 41.52 V C57
2020-10-01 06:24:11 s 1 -127477.65 5 +366477.77 5910.0 C57
2020-10-01 06:34:11 S 04 20 41.830 -57 19 50.30 V C57
2020-10-01 06:34:11 s 1 -127806.44 1 +366242.95 8400.0 C57
2020-10-01 06:44:11 S 04 20 46.169 -57 19 47.64 V C57
2020-10-01 06:44:11 s 1 -128134.92 2 +366007.22 610.0 C57
2020-10-01 06:54:11 S 04 20 50.304 -57 19 54.66 V C57