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 17:44:12 S 03 34 21.055 -55 22 59.12 V C57
2020-09-25 17:44:12 s 1 +151035.26 8 +254754.89 5730.0 C57
2020-09-25 17:54:12 S 03 34 23.940 -55 23 17.09 V C57
2020-09-25 17:54:12 s 1 +150791.59 4 +255328.71 5510.0 C57
2020-09-25 18:04:12 S 03 34 27.163 -55 23 27.53 V C57
2020-09-25 18:04:12 s 1 +150547.09 0 +255901.13 4890.0 C57
2020-09-25 18:14:11 S 03 34 30.036 -55 23 42.65 V C57
2020-09-25 18:14:11 s 1 +150301.76 2 +256472.15 3870.0 C57
2020-09-25 18:24:12 S 03 34 33.187 -55 23 56.94 V C57
2020-09-25 18:24:12 s 1 +150055.61 3 +257041.78 2450.0 C57
2020-09-25 18:34:11 S 03 34 36.031 -55 24 09.25 V C57
2020-09-25 18:34:11 s 1 +149808.64 8 +257610.00 640.0 C57
2020-09-25 18:44:12 S 03 34 38.700 -55 24 25.38 V C57
2020-09-25 18:44:12 s 1 +149560.87 2 +258176.83 8440.0 C57
2020-09-25 18:54:12 S 03 34 42.072 -55 24 36.68 V C57
2020-09-25 18:54:12 s 1 +149312.28 9 +258742.27 5840.0 C57
2020-09-25 19:04:12 S 03 34 44.573 -55 24 50.00 V C57
2020-09-25 19:04:12 s 1 +149062.90 2 +259306.32 2860.0 C57
2020-09-25 19:14:12 S 03 34 47.794 -55 25 06.67 V C57
2020-09-25 19:14:12 s 1 +148812.71 7 +259868.98 9490.0 C57
2020-09-25 19:24:12 S 03 34 50.441 -55 25 19.56 V C57
2020-09-25 19:24:12 s 1 +148561.73 7 +260430.26 5730.0 C57
2020-09-25 19:34:12 S 03 34 54.348 -55 25 33.02 V C57
2020-09-25 19:34:12 s 1 +148309.96 6 +260990.15 1600.0 C57
2020-09-25 19:44:11 S 03 34 56.496 -55 25 45.01 V C57
2020-09-25 19:44:11 s 1 +148057.41 0 +261548.66 7080.0 C57
2020-09-25 19:54:12 S 03 34 58.949 -55 26 01.39 V C57
2020-09-25 19:54:12 s 1 +147804.07 1 +262105.79 2190.0 C57
2020-09-25 20:14:12 S 03 35 05.220 -55 26 26.30 V C57
2020-09-25 20:14:12 s 1 +147295.06 4 +263215.91 1290.0 C57
2020-09-25 20:24:12 S 03 35 08.066 -55 26 40.09 V C57
2020-09-25 20:24:12 s 1 +147039.40 4 +263768.91 5280.0 C57
2020-09-25 20:34:12 S 03 35 10.766 -55 26 53.20 V C57
2020-09-25 20:34:12 s 1 +146782.97 8 +264320.54 8910.0 C57
2020-09-25 20:44:12 S 03 35 13.872 -55 27 10.12 V C57
2020-09-25 20:44:12 s 1 +146525.79 0 +264870.80 2170.0 C57
2020-09-25 20:54:12 S 03 35 17.369 -55 27 23.83 V C57
2020-09-25 20:54:12 s 1 +146267.84 5 +265419.69 5060.0 C57
2020-09-25 21:04:12 S 03 35 19.433 -55 27 32.47 V C57
2020-09-25 21:04:12 s 1 +146009.14 6 +265967.22 7600.0 C57
2020-09-25 21:14:11 S 03 35 22.505 -55 27 46.80 V C57
2020-09-25 21:14:11 s 1 +145749.69 7 +266513.38 9770.0 C57
2020-09-25 21:24:12 S 03 35 26.004 -55 28 02.14 V C57
2020-09-25 21:24:12 s 1 +145489.50 2 +267058.17 1590.0 C57
2020-09-25 21:34:11 S 03 35 28.752 -55 28 17.54 V C57
2020-09-25 21:34:11 s 1 +145228.56 6 +267601.61 3060.0 C57
2020-09-25 21:44:12 S 03 35 31.382 -55 28 29.96 V C57
2020-09-25 21:44:12 s 1 +144966.89 1 +268143.69 4170.0 C57
2020-09-25 21:54:12 S 03 35 33.648 -55 28 41.59 V C57
2020-09-25 21:54:12 s 1 +144704.48 2 +268684.41 4930.0 C57