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
2020-10-08 11:44:12 s 1 +179927.22 9 +74807.620 7420.0 C57
2020-10-08 12:04:11 S 05 53 04.068 -56 45 50.51 V C57
2020-10-08 12:04:11 s 1 +180307.78 5 +76663.938 210.0 C57
2020-10-08 12:14:11 S 05 53 09.000 -56 45 51.95 V C57
2020-10-08 12:14:11 s 1 +180492.91 0 +77589.916 8690.0 C57
2020-10-08 12:44:11 S 05 53 26.052 -56 45 52.74 V C57
2020-10-08 12:44:11 s 1 +181027.96 4 +80359.055 2610.0 C57
2020-10-08 13:04:11 S 05 53 36.782 -56 45 55.44 V C57
2020-10-08 13:04:11 s 1 +181367.97 2 +82197.766 2450.0 C57
2020-10-08 13:54:11 S 05 54 03.295 -56 45 53.24 V C57
2020-10-08 13:54:11 s 1 +182160.91 2 +86768.431 9860.0 C57
2020-10-08 14:04:11 S 05 54 08.820 -56 46 01.70 V C57
2020-10-08 14:04:11 s 1 +182309.89 7 +87678.051 7940.0 C57
2020-10-08 14:14:11 S 05 54 14.256 -56 45 53.89 V C57
2020-10-08 14:14:11 s 1 +182455.73 3 +88586.158 4250.0 C57
2020-10-08 14:24:12 S 05 54 19.668 -56 45 55.08 V C57
2020-10-08 14:24:12 s 1 +182598.44 2 +89492.747 8800.0 C57
2020-10-08 14:44:12 S 05 54 30.247 -56 45 56.88 V C57
2020-10-08 14:44:12 s 1 +182874.56 4 +91301.358 2700.0 C57
2020-10-08 14:54:11 S 05 54 35.630 -56 45 55.51 V C57
2020-10-08 14:54:11 s 1 +183008.02 0 +92203.373 2060.0 C57
2020-10-08 15:04:11 S 05 54 41.424 -56 45 59.29 V C57
2020-10-08 15:04:11 s 1 +183138.43 5 +93103.856 9720.0 C57
2020-10-08 15:54:12 S 05 55 07.906 -56 46 02.03 V C57
2020-10-08 15:54:12 s 1 +183745.61 0 +97583.186 2940.0 C57
2020-10-08 16:04:11 S 05 55 13.034 -56 45 57.02 V C57
2020-10-08 16:04:11 s 1 +183858.20 8 +98474.415 650.0 C57
2020-10-08 16:14:12 S 05 55 18.550 -56 46 00.37 V C57
2020-10-08 16:14:12 s 1 +183967.90 8 +99364.092 6750.0 C57
2020-10-08 16:34:11 S 05 55 29.830 -56 45 57.82 V C57
2020-10-08 16:34:11 s 1 +184178.68 9 +101138.78 4150.0 C57
2020-10-08 16:54:11 S 05 55 39.828 -56 45 54.65 V C57
2020-10-08 16:54:11 s 1 +184378.10 8 +102907.23 5230.0 C57
2020-10-08 18:34:11 S 05 56 32.933 -56 46 01.99 V C57
2020-10-08 18:34:11 s 1 +185210.05 0 +111655.41 9130.0 C57
2020-10-08 19:04:11 S 05 56 50.014 -56 45 53.32 V C57
2020-10-08 19:04:11 s 1 +185407.72 2 +114249.13 4630.0 C57
2020-10-08 19:24:11 S 05 56 59.688 -56 45 53.71 V C57
2020-10-08 19:24:11 s 1 +185526.63 0 +115970.37 1210.0 C57
2020-10-08 19:54:11 S 05 57 16.159 -56 45 49.18 V C57
2020-10-08 19:54:11 s 1 +185686.01 8 +118540.35 5660.0 C57
2020-10-08 20:34:11 S 05 57 37.387 -56 45 43.16 V C57
2020-10-08 20:34:11 s 1 +185863.80 3 +121944.77 5890.0 C57
2020-10-08 20:44:11 S 05 57 42.907 -56 45 45.58 V C57
2020-10-08 20:44:11 s 1 +185902.15 4 +122791.90 2610.0 C57
2020-10-08 20:54:11 S 05 57 48.672 -56 45 47.09 V C57
2020-10-08 20:54:11 s 1 +185938.09 9 +123637.44 8010.0 C57
2020-10-08 21:24:11 S 05 58 04.262 -56 45 42.19 V C57
2020-10-08 21:24:11 s 1 +186031.64 8 +126164.54 6430.0 C57
2020-10-08 21:54:12 S 05 58 19.531 -56 45 41.04 V C57