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
2020-09-18 10:44:12 s 1 -182252.99 9 +301934.19 7590.0 C57
2020-09-18 10:54:12 S 02 39 14.045 -51 07 44.54 V C57
2020-09-18 10:54:12 s 1 -182494.66 9 +301521.70 7370.0 C57
2020-09-18 11:04:12 S 02 39 16.474 -51 07 52.68 V C57
2020-09-18 11:04:12 s 1 -182735.73 9 +301108.22 6740.0 C57
2020-09-18 11:14:12 S 02 39 19.243 -51 08 07.15 V C57
2020-09-18 11:14:12 s 1 -182976.20 6 +300693.74 5700.0 C57
2020-09-18 11:24:12 S 02 39 21.708 -51 08 22.34 V C57
2020-09-18 11:24:12 s 1 -183216.07 0 +300278.26 4250.0 C57
2020-09-18 11:34:12 S 02 39 24.449 -51 08 31.42 V C57
2020-09-18 11:34:12 s 1 -183455.32 8 +299861.78 2390.0 C57
2020-09-18 11:44:12 S 02 39 26.194 -51 08 47.00 V C57
2020-09-18 11:44:12 s 1 -183693.97 8 +299444.31 120.0 C57
2020-09-18 12:04:12 S 02 39 31.550 -51 09 05.44 V C57
2020-09-18 12:04:12 s 1 -184169.44 6 +298606.35 4340.0 C57
2020-09-18 12:14:12 S 02 39 34.289 -51 09 20.12 V C57
2020-09-18 12:14:12 s 1 -184406.26 0 +298185.87 830.0 C57
2020-09-18 12:24:12 S 02 39 37.142 -51 09 29.23 V C57
2020-09-18 12:24:12 s 1 -184642.45 8 +297764.39 6900.0 C57
2020-09-18 12:34:12 S 02 39 39.218 -51 09 45.40 V C57
2020-09-18 12:34:12 s 1 -184878.03 8 +297341.91 2550.0 C57
2020-09-18 12:54:12 S 02 39 44.537 -51 10 06.82 V C57
2020-09-18 12:54:12 s 1 -185347.33 7 +296493.94 2610.0 C57
2020-09-18 13:04:12 S 02 39 46.807 -51 10 21.97 V C57
2020-09-18 13:04:12 s 1 -185581.05 2 +296068.44 7010.0 C57
2020-09-18 13:14:12 S 02 39 49.591 -51 10 32.05 V C57
2020-09-18 13:14:12 s 1 -185814.14 0 +295641.95 980.0 C57
2020-09-18 13:24:12 S 02 39 52.190 -51 10 51.35 V C57
2020-09-18 13:24:12 s 1 -186046.60 1 +295214.44 4530.0 C57
2020-09-18 13:34:12 S 02 39 54.550 -51 10 54.52 V C57
2020-09-18 13:34:12 s 1 -186278.43 1 +294785.94 7660.0 C57
2020-09-18 13:44:12 S 02 39 57.934 -51 11 08.34 V C57
2020-09-18 13:44:12 s 1 -186509.62 9 +294356.43 370.0 C57
2020-09-18 14:04:12 S 02 40 02.849 -51 11 35.77 V C57
2020-09-18 14:04:12 s 1 -186970.12 0 +293494.38 4490.0 C57
2020-09-18 14:14:12 S 02 40 04.968 -51 11 45.13 V C57
2020-09-18 14:14:12 s 1 -187199.40 9 +293061.84 5910.0 C57
2020-09-18 14:24:12 S 02 40 07.282 -51 12 04.54 V C57
2020-09-18 14:24:12 s 1 -187428.05 7 +292628.30 6900.0 C57
2020-09-18 14:44:12 S 02 40 13.008 -51 12 23.80 V C57
2020-09-18 14:44:12 s 1 -187883.42 4 +291758.19 7590.0 C57
2020-09-18 14:54:12 S 02 40 15.233 -51 12 41.80 V C57
2020-09-18 14:54:12 s 1 -188110.13 8 +291321.62 7280.0 C57
2020-09-18 15:14:12 S 02 40 20.330 -51 13 02.60 V C57
2020-09-18 15:14:12 s 1 -188561.61 6 +290445.44 5360.0 C57
2020-09-18 15:24:12 S 02 40 23.280 -51 13 05.09 V C57
2020-09-18 15:24:12 s 1 -188786.37 6 +290005.84 3750.0 C57
2020-09-18 15:34:12 S 02 40 25.975 -51 13 27.55 V C57
2020-09-18 15:34:12 s 1 -189010.48 1 +289565.22 1690.0 C57
2020-09-18 15:44:12 S 02 40 28.716 -51 13 38.64 V C57