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
2020-10-04 11:44:12 s 1 -220607.46 6 +153283.60 330.0 C57
2020-10-04 11:54:12 S 04 55 49.027 -57 18 41.65 V C57
2020-10-04 11:54:12 s 1 -220586.77 8 +152578.71 6470.0 C57
2020-10-04 12:04:12 S 04 55 53.026 -57 18 39.13 V C57
2020-10-04 12:04:12 s 1 -220564.46 5 +151872.68 1480.0 C57
2020-10-04 12:34:12 S 04 56 09.132 -57 18 26.06 V C57
2020-10-04 12:34:12 s 1 -220487.69 4 +149747.76 9680.0 C57
2020-10-04 12:54:12 S 04 56 18.850 -57 18 14.58 V C57
2020-10-04 12:54:12 s 1 -220428.24 6 +148325.45 9410.0 C57
2020-10-04 13:14:12 S 04 56 29.059 -57 18 08.03 V C57
2020-10-04 13:14:12 s 1 -220362.11 1 +146898.59 4520.0 C57
2020-10-04 13:24:12 S 04 56 33.415 -57 18 06.16 V C57
2020-10-04 13:24:12 s 1 -220326.51 6 +146183.45 320.0 C57
2020-10-04 13:34:12 S 04 56 38.604 -57 17 55.79 V C57
2020-10-04 13:34:12 s 1 -220289.22 6 +145467.17 4960.0 C57
2020-10-04 13:44:12 S 04 56 44.520 -57 17 53.27 V C57
2020-10-04 13:44:12 s 1 -220250.23 4 +144749.76 8410.0 C57
2020-10-04 13:54:12 S 04 56 49.726 -57 17 45.96 V C57
2020-10-04 13:54:12 s 1 -220209.53 0 +144031.20 690.0 C57
2020-10-04 14:14:12 S 04 56 58.958 -57 17 39.01 V C57
2020-10-04 14:14:12 s 1 -220122.95 6 +142590.68 1670.0 C57
2020-10-04 14:24:12 S 04 57 04.531 -57 17 33.54 V C57
2020-10-04 14:24:12 s 1 -220077.06 9 +141868.72 370.0 C57
2020-10-04 14:44:12 S 04 57 13.675 -57 17 28.18 V C57
2020-10-04 14:44:12 s 1 -219980.05 7 +140421.37 4160.0 C57
2020-10-04 14:54:12 S 04 57 18.605 -57 17 28.90 V C57
2020-10-04 14:54:12 s 1 -219928.91 5 +139695.99 9240.0 C57
2020-10-04 15:04:12 S 04 57 24.698 -57 17 17.81 V C57
2020-10-04 15:04:12 s 1 -219876.00 3 +138969.47 3100.0 C57
2020-10-04 15:14:12 S 04 57 29.604 -57 17 16.26 V C57
2020-10-04 15:14:12 s 1 -219821.31 5 +138241.82 5750.0 C57
2020-10-04 15:24:12 S 04 57 34.896 -57 17 09.10 V C57
2020-10-04 15:24:12 s 1 -219764.84 0 +137513.03 7160.0 C57
2020-10-04 15:34:12 S 04 57 40.262 -57 16 56.89 V C57
2020-10-04 15:34:12 s 1 -219706.57 2 +136783.11 7340.0 C57
2020-10-04 15:44:12 S 04 57 45.538 -57 16 53.98 V C57
2020-10-04 15:44:12 s 1 -219646.50 0 +136052.05 6290.0 C57
2020-10-04 15:54:12 S 04 57 50.218 -57 16 54.08 V C57
2020-10-04 15:54:12 s 1 -219584.61 6 +135319.85 3990.0 C57
2020-10-04 16:04:12 S 04 57 54.703 -57 16 47.78 V C57
2020-10-04 16:04:12 s 1 -219520.91 3 +134586.52 440.0 C57
2020-10-04 16:34:12 S 04 58 10.896 -57 16 32.59 V C57
2020-10-04 16:34:12 s 1 -219318.79 0 +132379.72 2270.0 C57
2020-10-04 16:44:12 S 04 58 15.691 -57 16 24.46 V C57
2020-10-04 16:44:12 s 1 -219247.71 6 +131641.85 3680.0 C57
2020-10-04 16:54:12 S 04 58 21.478 -57 16 23.88 V C57
2020-10-04 16:54:12 s 1 -219174.77 7 +130902.86 3810.0 C57
2020-10-04 17:24:12 S 04 58 37.649 -57 16 05.52 V C57
2020-10-04 17:24:12 s 1 -218944.67 8 +128679.07 6510.0 C57
2020-10-04 19:14:12 S 04 59 33.598 -57 15 12.42 V C57