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
2020-09-19 06:44:12 s 1 -206349.37 8 +245148.73 20.0 C57
2020-09-19 06:54:12 S 02 44 31.469 -51 31 38.89 V C57
2020-09-19 06:54:12 s 1 -206502.55 8 +244612.20 1500.0 C57
2020-09-19 07:14:12 S 02 44 37.558 -51 31 58.22 V C57
2020-09-19 07:14:12 s 1 -206806.20 3 +243535.91 2710.0 C57
2020-09-19 07:34:12 S 02 44 42.960 -51 32 24.32 V C57
2020-09-19 07:34:12 s 1 -207106.20 7 +242455.31 1580.0 C57
2020-09-19 08:24:12 S 02 44 56.616 -51 33 21.06 V C57
2020-09-19 08:24:12 s 1 -207840.10 8 +239734.93 8410.0 C57
2020-09-19 08:34:12 S 02 44 59.076 -51 33 38.52 V C57
2020-09-19 08:34:12 s 1 -207984.10 0 +239187.61 3990.0 C57
2020-09-19 08:44:12 S 02 45 01.966 -51 33 51.95 V C57
2020-09-19 08:44:12 s 1 -208127.15 4 +238639.21 8960.0 C57
2020-09-19 08:54:12 S 02 45 05.042 -51 33 55.98 V C57
2020-09-19 08:54:12 s 1 -208269.26 7 +238089.72 3330.0 C57
2020-09-19 09:14:12 S 02 45 10.447 -51 34 22.55 V C57
2020-09-19 09:14:12 s 1 -208550.65 7 +236987.50 260.0 C57
2020-09-19 09:24:12 S 02 45 13.524 -51 34 28.42 V C57
2020-09-19 09:24:12 s 1 -208689.92 6 +236434.75 2810.0 C57
2020-09-19 09:44:12 S 02 45 18.962 -51 34 50.41 V C57
2020-09-19 09:44:12 s 1 -208965.59 6 +235326.01 6070.0 C57
2020-09-19 09:54:12 S 02 45 22.162 -51 35 07.08 V C57
2020-09-19 09:54:12 s 1 -209101.98 9 +234770.01 6780.0 C57
2020-09-19 10:04:12 S 02 45 24.662 -51 35 15.43 V C57
2020-09-19 10:04:12 s 1 -209237.41 7 +234212.92 6870.0 C57
2020-09-19 10:24:12 S 02 45 29.784 -51 35 39.66 V C57
2020-09-19 10:24:12 s 1 -209505.36 0 +233095.47 5190.0 C57
2020-09-19 10:34:12 S 02 45 33.384 -51 35 49.45 V C57
2020-09-19 10:34:12 s 1 -209637.86 9 +232535.11 3420.0 C57
2020-09-19 10:44:12 S 02 45 36.036 -51 36 05.00 V C57
2020-09-19 10:44:12 s 1 -209769.39 7 +231973.65 1020.0 C57
2020-09-19 11:04:12 S 02 45 41.489 -51 36 27.11 V C57
2020-09-19 11:04:12 s 1 -210029.49 8 +230847.46 4330.0 C57
2020-09-19 11:14:12 S 02 45 43.661 -51 36 37.94 V C57
2020-09-19 11:14:12 s 1 -210158.06 3 +230282.73 40.0 C57
2020-09-19 11:24:12 S 02 45 47.011 -51 36 51.59 V C57
2020-09-19 11:24:12 s 1 -210285.63 3 +229716.90 5110.0 C57
2020-09-19 11:44:12 S 02 45 52.721 -51 37 20.35 V C57
2020-09-19 11:44:12 s 1 -210537.77 2 +228581.95 3350.0 C57
2020-09-19 11:54:12 S 02 45 54.998 -51 37 28.49 V C57
2020-09-19 11:54:12 s 1 -210662.33 4 +228012.83 6500.0 C57
2020-09-19 12:04:12 S 02 45 58.625 -51 37 38.75 V C57
2020-09-19 12:04:12 s 1 -210785.88 5 +227442.62 9020.0 C57
2020-09-19 12:54:12 S 02 46 12.511 -51 38 40.45 V C57
2020-09-19 12:54:12 s 1 -211388.35 0 +224575.03 1850.0 C57
2020-09-19 13:44:12 S 02 46 26.851 -51 39 33.16 V C57
2020-09-19 13:44:12 s 1 -211964.97 0 +221679.88 8260.0 C57
2020-09-19 13:54:12 S 02 46 29.374 -51 39 45.50 V C57
2020-09-19 13:54:12 s 1 -212077.14 9 +221097.54 3550.0 C57
2020-09-19 14:04:12 S 02 46 32.023 -51 39 59.22 V C57