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
2020-09-26 07:34:12 S 03 38 27.900 -55 41 18.60 V C57
2020-09-26 07:34:12 s 1 +128349.83 3 +297789.01 5140.0 C57
2020-09-26 07:44:11 S 03 38 30.593 -55 41 30.44 V C57
2020-09-26 07:44:11 s 1 +128050.21 0 +298252.93 8540.0 C57
2020-09-26 08:04:11 S 03 38 37.500 -55 42 03.78 V C57
2020-09-26 08:04:11 s 1 +127449.35 2 +299177.03 4610.0 C57
2020-09-26 08:14:12 S 03 38 39.797 -55 42 10.26 V C57
2020-09-26 08:14:12 s 1 +127148.12 3 +299637.21 7280.0 C57
2020-09-26 08:34:11 S 03 38 45.449 -55 42 33.73 V C57
2020-09-26 08:34:11 s 1 +126544.07 7 +300553.82 1910.0 C57
2020-09-26 09:24:12 S 03 39 01.387 -55 43 36.26 V C57
2020-09-26 09:24:12 s 1 +125024.83 0 +302823.65 9370.0 C57
2020-09-26 09:34:11 S 03 39 04.855 -55 43 46.42 V C57
2020-09-26 09:34:11 s 1 +124719.43 6 +303273.90 170.0 C57
2020-09-26 09:54:12 S 03 39 11.189 -55 44 13.13 V C57
2020-09-26 09:54:12 s 1 +124107.12 5 +304170.71 1090.0 C57
2020-09-26 10:04:11 S 03 39 13.498 -55 44 24.58 V C57
2020-09-26 10:04:11 s 1 +123800.21 3 +304617.27 1210.0 C57
2020-09-26 10:14:12 S 03 39 16.615 -55 44 37.86 V C57
2020-09-26 10:14:12 s 1 +123492.80 0 +305062.60 1110.0 C57
2020-09-26 10:24:11 S 03 39 19.685 -55 44 49.63 V C57
2020-09-26 10:24:11 s 1 +123184.88 9 +305506.70 790.0 C57
2020-09-26 10:44:11 S 03 39 25.961 -55 45 18.90 V C57
2020-09-26 10:44:11 s 1 +122567.58 3 +306391.23 9480.0 C57
2020-09-26 10:54:12 S 03 39 28.985 -55 45 29.20 V C57
2020-09-26 10:54:12 s 1 +122258.19 2 +306831.66 8500.0 C57
2020-09-26 11:04:11 S 03 39 31.812 -55 45 38.20 V C57
2020-09-26 11:04:11 s 1 +121948.31 3 +307270.87 7300.0 C57
2020-09-26 11:14:12 S 03 39 34.627 -55 45 51.70 V C57
2020-09-26 11:14:12 s 1 +121637.94 9 +307708.86 5890.0 C57
2020-09-26 11:24:12 S 03 39 37.865 -55 46 04.73 V C57
2020-09-26 11:24:12 s 1 +121327.10 2 +308145.63 4260.0 C57
2020-09-26 11:44:12 S 03 39 43.966 -55 46 34.10 V C57
2020-09-26 11:44:12 s 1 +120703.96 8 +309015.53 370.0 C57
2020-09-26 11:54:11 S 03 39 46.901 -55 46 40.55 V C57
2020-09-26 11:54:11 s 1 +120391.68 6 +309448.65 8120.0 C57
2020-09-26 12:04:12 S 03 39 50.633 -55 46 57.04 V C57
2020-09-26 12:04:12 s 1 +120078.93 1 +309880.56 5650.0 C57
2020-09-26 12:14:11 S 03 39 53.352 -55 47 09.89 V C57
2020-09-26 12:14:11 s 1 +119765.70 5 +310311.27 2980.0 C57
2020-09-26 12:24:12 S 03 39 56.112 -55 47 22.56 V C57
2020-09-26 12:24:12 s 1 +119452.01 1 +310740.76 100.0 C57
2020-09-26 12:34:11 S 03 39 59.750 -55 47 31.34 V C57
2020-09-26 12:34:11 s 1 +119137.85 1 +311169.04 7010.0 C57
2020-09-26 12:54:12 S 03 40 05.935 -55 47 57.66 V C57
2020-09-26 12:54:12 s 1 +118508.14 3 +312021.99 240.0 C57
2020-09-26 13:04:11 S 03 40 08.815 -55 48 10.91 V C57
2020-09-26 13:04:11 s 1 +118192.59 9 +312446.66 6550.0 C57
2020-09-26 13:14:12 S 03 40 11.234 -55 48 24.12 V C57
2020-09-26 13:14:12 s 1 +117876.59 9 +312870.13 2670.0 C57