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 01:04:11 s 1 -198114.23 9 +275831.20 5420.0 C57
2020-10-03 01:14:11 S 04 39 11.458 -57 26 54.64 V C57
2020-10-03 01:14:11 s 1 -198319.59 9 +275352.19 6290.0 C57
2020-10-03 01:34:11 S 04 39 20.270 -57 26 51.11 V C57
2020-10-03 01:34:11 s 1 -198728.16 2 +274391.09 6370.0 C57
2020-10-03 01:44:11 S 04 39 24.866 -57 26 55.75 V C57
2020-10-03 01:44:11 s 1 -198931.36 0 +273909.02 5570.0 C57
2020-10-03 01:54:11 S 04 39 29.410 -57 26 54.17 V C57
2020-10-03 01:54:11 s 1 -199133.83 3 +273425.92 4210.0 C57
2020-10-03 02:04:11 S 04 39 33.950 -57 26 52.37 V C57
2020-10-03 02:04:11 s 1 -199335.57 8 +272941.80 2290.0 C57
2020-10-03 02:14:11 S 04 39 39.024 -57 26 52.01 V C57
2020-10-03 02:14:11 s 1 -199536.59 2 +272456.66 9810.0 C57
2020-10-03 02:24:11 S 04 39 43.200 -57 26 49.56 V C57
2020-10-03 02:24:11 s 1 -199736.87 3 +271970.50 6760.0 C57
2020-10-03 02:34:11 S 04 39 47.662 -57 26 51.68 V C57
2020-10-03 02:34:11 s 1 -199936.41 9 +271483.32 3140.0 C57
2020-10-03 02:44:11 S 04 39 52.512 -57 26 54.46 V C57
2020-10-03 02:44:11 s 1 -200135.22 6 +270995.11 8960.0 C57
2020-10-03 02:54:11 S 04 39 57.245 -57 26 51.50 V C57
2020-10-03 02:54:11 s 1 -200333.29 3 +270505.87 4200.0 C57
2020-10-03 03:04:11 S 04 40 01.877 -57 26 48.01 V C57
2020-10-03 03:04:11 s 1 -200530.61 6 +270015.62 8870.0 C57
2020-10-03 03:14:11 S 04 40 06.468 -57 26 47.80 V C57
2020-10-03 03:14:11 s 1 -200727.19 3 +269524.33 2970.0 C57
2020-10-03 03:24:11 S 04 40 10.886 -57 26 49.52 V C57
2020-10-03 03:24:11 s 1 -200923.02 2 +269032.03 6490.0 C57
2020-10-03 03:44:11 S 04 40 19.997 -57 26 42.65 V C57
2020-10-03 03:44:11 s 1 -201312.42 4 +268044.33 1810.0 C57
2020-10-03 04:04:11 S 04 40 29.179 -57 26 45.17 V C57
2020-10-03 04:04:11 s 1 -201698.80 0 +267052.51 4800.0 C57
2020-10-03 04:14:11 S 04 40 34.138 -57 26 43.33 V C57
2020-10-03 04:14:11 s 1 -201890.84 7 +266555.06 5410.0 C57
2020-10-03 04:24:11 S 04 40 39.058 -57 26 40.85 V C57
2020-10-03 04:24:11 s 1 -202082.13 0 +266056.58 5450.0 C57
2020-10-03 04:34:11 S 04 40 42.979 -57 26 42.83 V C57
2020-10-03 04:34:11 s 1 -202272.64 5 +265557.07 4890.0 C57
2020-10-03 04:44:11 S 04 40 47.837 -57 26 42.25 V C57
2020-10-03 04:44:11 s 1 -202462.39 1 +265056.53 3750.0 C57
2020-10-03 04:54:11 S 04 40 52.598 -57 26 41.93 V C57
2020-10-03 04:54:11 s 1 -202651.36 4 +264554.96 2010.0 C57
2020-10-03 05:04:11 S 04 40 57.288 -57 26 36.49 V C57
2020-10-03 05:04:11 s 1 -202839.56 2 +264052.35 9690.0 C57
2020-10-03 05:14:11 S 04 41 01.846 -57 26 35.77 V C57
2020-10-03 05:14:11 s 1 -203026.98 2 +263548.71 6760.0 C57
2020-10-03 05:24:11 S 04 41 06.247 -57 26 34.94 V C57
2020-10-03 05:24:11 s 1 -203213.62 1 +263044.03 3240.0 C57
2020-10-03 05:34:11 S 04 41 10.411 -57 26 37.14 V C57
2020-10-03 05:34:11 s 1 -203399.47 7 +262538.33 9130.0 C57
2020-10-03 07:04:12 S 04 41 52.795 -57 26 27.49 V C57