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 15:44:12 s 1 -189233.92 8 +289123.59 9200.0 C57
2020-09-18 15:54:12 S 02 40 31.543 -51 13 47.86 V C57
2020-09-18 15:54:12 s 1 -189456.71 5 +288680.94 6260.0 C57
2020-09-18 16:04:12 S 02 40 33.732 -51 13 57.94 V C57
2020-09-18 16:04:12 s 1 -189678.84 0 +288237.29 2890.0 C57
2020-09-18 16:14:12 S 02 40 36.689 -51 14 13.27 V C57
2020-09-18 16:14:12 s 1 -189900.30 1 +287792.61 9060.0 C57
2020-09-18 16:24:12 S 02 40 38.818 -51 14 26.27 V C57
2020-09-18 16:24:12 s 1 -190121.09 6 +287346.92 4800.0 C57
2020-09-18 16:34:12 S 02 40 41.818 -51 14 34.66 V C57
2020-09-18 16:34:12 s 1 -190341.22 1 +286900.22 90.0 C57
2020-09-18 16:54:12 S 02 40 47.033 -51 15 02.92 V C57
2020-09-18 16:54:12 s 1 -190779.45 8 +286003.76 9320.0 C57
2020-09-18 17:04:12 S 02 40 49.157 -51 15 07.96 V C57
2020-09-18 17:04:12 s 1 -190997.56 4 +285554.00 3260.0 C57
2020-09-18 17:14:12 S 02 40 51.830 -51 15 26.39 V C57
2020-09-18 17:14:12 s 1 -191214.99 3 +285103.23 6750.0 C57
2020-09-18 17:24:12 S 02 40 54.144 -51 15 30.17 V C57
2020-09-18 17:24:12 s 1 -191431.74 2 +284651.43 9790.0 C57
2020-09-18 18:04:12 S 02 41 04.714 -51 16 22.22 V C57
2020-09-18 18:04:12 s 1 -192291.89 3 +282834.06 7390.0 C57
2020-09-18 18:14:12 S 02 41 07.375 -51 16 37.74 V C57
2020-09-18 18:14:12 s 1 -192505.20 8 +282377.16 8140.0 C57
2020-09-18 18:24:12 S 02 41 09.653 -51 16 50.52 V C57
2020-09-18 18:24:12 s 1 -192717.82 9 +281919.24 8440.0 C57
2020-09-18 18:34:12 S 02 41 13.351 -51 17 03.23 V C57
2020-09-18 18:34:12 s 1 -192929.75 5 +281460.29 8270.0 C57
2020-09-18 18:44:12 S 02 41 15.065 -51 17 08.05 V C57
2020-09-18 18:44:12 s 1 -193140.98 2 +281000.33 7640.0 C57
2020-09-18 18:54:12 S 02 41 18.216 -51 17 18.42 V C57
2020-09-18 18:54:12 s 1 -193351.50 9 +280539.33 6540.0 C57
2020-09-18 19:14:12 S 02 41 22.927 -51 17 45.06 V C57
2020-09-18 19:14:12 s 1 -193770.45 0 +279614.27 2950.0 C57
2020-09-18 19:24:12 S 02 41 25.596 -51 18 04.93 V C57
2020-09-18 19:24:12 s 1 -193978.86 1 +279150.20 460.0 C57
2020-09-18 19:34:12 S 02 41 28.882 -51 18 11.81 V C57
2020-09-18 19:34:12 s 1 -194186.56 1 +278685.10 7490.0 C57
2020-09-18 19:54:12 S 02 41 33.583 -51 18 42.16 V C57
2020-09-18 19:54:12 s 1 -194599.82 1 +277751.82 140.0 C57
2020-09-18 20:04:12 S 02 41 36.432 -51 18 49.82 V C57
2020-09-18 20:04:12 s 1 -194805.37 7 +277283.64 5760.0 C57
2020-09-18 21:04:12 S 02 41 51.967 -51 20 04.88 V C57
2020-09-18 21:04:12 s 1 -196023.50 7 +274452.90 9410.0 C57
2020-09-18 21:14:12 S 02 41 55.428 -51 20 12.23 V C57
2020-09-18 21:14:12 s 1 -196223.97 2 +273977.49 1660.0 C57
2020-09-18 21:44:12 S 02 42 02.916 -51 20 52.15 V C57
2020-09-18 21:44:12 s 1 -196820.93 4 +272545.07 5510.0 C57
2020-09-18 21:54:12 S 02 42 05.827 -51 20 57.01 V C57
2020-09-18 21:54:12 s 1 -197018.43 6 +272065.53 5820.0 C57
2020-09-18 22:04:12 S 02 42 08.110 -51 21 16.45 V C57