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
2020-09-25 13:34:12 S 03 33 09.115 -55 17 12.52 V C57
2020-09-25 13:34:12 s 1 +156844.19 4 +239947.31 3050.0 C57
2020-09-25 13:44:12 S 03 33 11.234 -55 17 30.88 V C57
2020-09-25 13:44:12 s 1 +156622.76 4 +240556.88 3720.0 C57
2020-09-25 13:54:12 S 03 33 14.316 -55 17 43.55 V C57
2020-09-25 13:54:12 s 1 +156400.38 6 +241165.00 3920.0 C57
2020-09-25 14:04:11 S 03 33 16.793 -55 17 54.71 V C57
2020-09-25 14:04:11 s 1 +156177.06 3 +241771.67 3660.0 C57
2020-09-25 14:14:12 S 03 33 20.201 -55 18 07.92 V C57
2020-09-25 14:14:12 s 1 +155952.80 2 +242376.89 2930.0 C57
2020-09-25 14:24:12 S 03 33 23.112 -55 18 23.76 V C57
2020-09-25 14:24:12 s 1 +155727.60 8 +242980.65 1750.0 C57
2020-09-25 14:34:12 S 03 33 26.026 -55 18 33.98 V C57
2020-09-25 14:34:12 s 1 +155501.48 5 +243582.97 100.0 C57
2020-09-25 14:44:12 S 03 33 28.937 -55 18 49.00 V C57
2020-09-25 14:44:12 s 1 +155274.43 9 +244183.84 8010.0 C57
2020-09-25 14:54:12 S 03 33 32.047 -55 19 06.78 V C57
2020-09-25 14:54:12 s 1 +155046.47 4 +244783.27 5460.0 C57
2020-09-25 15:04:12 S 03 33 34.634 -55 19 20.10 V C57
2020-09-25 15:04:12 s 1 +154817.59 7 +245381.26 2470.0 C57
2020-09-25 15:14:12 S 03 33 37.970 -55 19 35.04 V C57
2020-09-25 15:14:12 s 1 +154587.81 0 +245977.81 9030.0 C57
2020-09-25 15:24:12 S 03 33 40.745 -55 19 47.89 V C57
2020-09-25 15:24:12 s 1 +154357.12 0 +246572.92 5140.0 C57
2020-09-25 15:34:11 S 03 33 43.483 -55 20 03.77 V C57
2020-09-25 15:34:11 s 1 +154125.53 2 +247166.60 820.0 C57
2020-09-25 15:44:12 S 03 33 45.595 -55 20 16.12 V C57
2020-09-25 15:44:12 s 1 +153893.05 0 +247758.85 6060.0 C57
2020-09-25 15:54:12 S 03 33 49.932 -55 20 27.13 V C57
2020-09-25 15:54:12 s 1 +153659.67 8 +248349.67 860.0 C57
2020-09-25 16:04:12 S 03 33 52.308 -55 20 41.93 V C57
2020-09-25 16:04:12 s 1 +153425.42 3 +248939.06 5230.0 C57
2020-09-25 16:14:12 S 03 33 54.850 -55 20 56.76 V C57
2020-09-25 16:14:12 s 1 +153190.28 8 +249527.02 9180.0 C57
2020-09-25 16:24:12 S 03 33 57.811 -55 21 10.40 V C57
2020-09-25 16:24:12 s 1 +152954.27 8 +250113.56 2690.0 C57
2020-09-25 16:34:12 S 03 34 00.454 -55 21 26.28 V C57
2020-09-25 16:34:12 s 1 +152717.39 9 +250698.68 5780.0 C57
2020-09-25 16:44:12 S 03 34 03.782 -55 21 38.23 V C57
2020-09-25 16:44:12 s 1 +152479.65 4 +251282.38 8450.0 C57
2020-09-25 16:54:12 S 03 34 07.051 -55 21 48.06 V C57
2020-09-25 16:54:12 s 1 +152241.04 8 +251864.66 700.0 C57
2020-09-25 17:04:11 S 03 34 09.305 -55 22 05.34 V C57
2020-09-25 17:04:11 s 1 +152001.58 6 +252445.53 2530.0 C57
2020-09-25 17:14:12 S 03 34 12.365 -55 22 20.82 V C57
2020-09-25 17:14:12 s 1 +151761.27 3 +253024.98 3940.0 C57
2020-09-25 17:24:12 S 03 34 15.562 -55 22 30.18 V C57
2020-09-25 17:24:12 s 1 +151520.11 2 +253603.03 4950.0 C57
2020-09-25 17:34:12 S 03 34 18.271 -55 22 49.26 V C57
2020-09-25 17:34:12 s 1 +151278.10 9 +254179.66 5540.0 C57