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
2020-10-03 22:54:12 s 1 -217843.93 9 +204162.08 300.0 C57
2020-10-03 23:04:12 S 04 49 28.066 -57 23 21.19 V C57
2020-10-03 23:04:12 s 1 -217929.19 0 +203543.90 1510.0 C57
2020-10-03 23:14:12 S 04 49 32.611 -57 23 19.03 V C57
2020-10-03 23:14:12 s 1 -218013.27 4 +202924.62 1870.0 C57
2020-10-03 23:44:12 S 04 49 47.122 -57 23 11.65 V C57
2020-10-03 23:44:12 s 1 -218258.47 7 +201060.11 7850.0 C57
2020-10-04 00:04:12 S 04 49 56.659 -57 23 04.67 V C57
2020-10-04 00:04:12 s 1 -218416.02 3 +199811.57 900.0 C57
2020-10-04 00:24:12 S 04 50 06.677 -57 22 58.91 V C57
2020-10-04 00:24:12 s 1 -218568.78 5 +198558.58 490.0 C57
2020-10-04 00:34:12 S 04 50 12.086 -57 22 52.93 V C57
2020-10-04 00:34:12 s 1 -218643.36 0 +197930.41 3990.0 C57
2020-10-04 00:54:12 S 04 50 20.786 -57 22 48.76 V C57
2020-10-04 00:54:12 s 1 -218788.87 3 +196670.75 8360.0 C57
2020-10-04 01:14:12 S 04 50 31.454 -57 22 44.33 V C57
2020-10-04 01:14:12 s 1 -218929.50 4 +195406.63 9220.0 C57
2020-10-04 01:24:12 S 04 50 35.966 -57 22 40.30 V C57
2020-10-04 01:24:12 s 1 -218997.97 6 +194772.90 8330.0 C57
2020-10-04 01:44:12 S 04 50 45.883 -57 22 33.10 V C57
2020-10-04 01:44:12 s 1 -219131.20 7 +193502.09 3870.0 C57
2020-10-04 02:04:12 S 04 50 55.356 -57 22 27.73 V C57
2020-10-04 02:04:12 s 1 -219259.45 5 +192226.82 5840.0 C57
2020-10-04 02:14:12 S 04 50 59.971 -57 22 27.26 V C57
2020-10-04 02:14:12 s 1 -219321.69 6 +191587.51 470.0 C57
2020-10-04 02:24:12 S 04 51 04.908 -57 22 18.12 V C57
2020-10-04 02:24:12 s 1 -219382.67 7 +190947.07 4200.0 C57
2020-10-04 02:44:12 S 04 51 15.250 -57 22 16.79 V C57
2020-10-04 02:44:12 s 1 -219500.83 1 +189662.85 8940.0 C57
2020-10-04 02:54:12 S 04 51 20.117 -57 22 11.86 V C57
2020-10-04 02:54:12 s 1 -219557.99 5 +189019.06 9930.0 C57
2020-10-04 03:04:12 S 04 51 24.590 -57 22 06.24 V C57
2020-10-04 03:04:12 s 1 -219613.87 5 +188374.15 10.0 C57
2020-10-04 03:14:12 S 04 51 29.210 -57 22 06.35 V C57
2020-10-04 03:14:12 s 1 -219668.46 8 +187728.12 9170.0 C57
2020-10-04 03:24:12 S 04 51 34.795 -57 22 00.55 V C57
2020-10-04 03:24:12 s 1 -219721.76 7 +187080.97 7410.0 C57
2020-10-04 03:34:12 S 04 51 39.065 -57 22 01.31 V C57
2020-10-04 03:34:12 s 1 -219773.76 6 +186432.70 4720.0 C57
2020-10-04 03:44:12 S 04 51 44.054 -57 21 54.79 V C57
2020-10-04 03:44:12 s 1 -219824.46 2 +185783.30 1100.0 C57
2020-10-04 03:54:12 S 04 51 49.745 -57 21 51.23 V C57
2020-10-04 03:54:12 s 1 -219873.84 7 +185132.78 6540.0 C57
2020-10-04 04:14:12 S 04 51 59.630 -57 21 45.61 V C57
2020-10-04 04:14:12 s 1 -219968.66 4 +183828.37 4610.0 C57
2020-10-04 04:44:12 S 04 52 14.242 -57 21 29.09 V C57
2020-10-04 04:44:12 s 1 -220100.92 5 +181863.31 9620.0 C57
2020-10-04 04:54:12 S 04 52 19.034 -57 21 30.85 V C57
2020-10-04 04:54:12 s 1 -220142.33 2 +181206.04 9390.0 C57
2020-10-04 05:04:12 S 04 52 23.537 -57 21 27.76 V C57