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
2020-09-28 09:34:11 S 03 54 39.185 -56 35 22.24 V C57
2020-09-28 09:34:11 s 1 +23392.725 0 +386446.16 7820.0 C57
2020-09-28 09:54:11 S 03 54 45.605 -56 35 44.12 V C57
2020-09-28 09:54:11 s 1 +22638.021 0 +386726.08 3480.0 C57
2020-09-28 10:04:11 S 03 54 49.080 -56 35 52.12 V C57
2020-09-28 10:04:11 s 1 +22260.576 0 +386864.60 6260.0 C57
2020-09-28 10:24:11 S 03 54 56.390 -56 36 02.92 V C57
2020-09-28 10:24:11 s 1 +21505.507 0 +387138.77 1740.0 C57
2020-09-28 11:04:11 S 03 55 09.466 -56 36 44.86 V C57
2020-09-28 11:04:11 s 1 +19994.677 0 +387675.64 2350.0 C57
2020-09-28 11:24:11 S 03 55 16.886 -56 36 58.79 V C57
2020-09-28 11:24:11 s 1 +19238.931 0 +387938.34 7460.0 C57
2020-09-28 11:34:11 S 03 55 19.788 -56 37 05.09 V C57
2020-09-28 11:34:11 s 1 +18860.979 0 +388068.26 9970.0 C57
2020-09-28 11:44:11 S 03 55 24.149 -56 37 16.39 V C57
2020-09-28 11:44:11 s 1 +18482.975 0 +388197.23 2440.0 C57
2020-09-28 12:14:11 S 03 55 33.912 -56 37 49.94 V C57
2020-09-28 12:14:11 s 1 +17348.664 0 +388578.42 9650.0 C57
2020-09-28 12:24:11 S 03 55 37.826 -56 37 55.88 V C57
2020-09-28 12:24:11 s 1 +16970.464 0 +388703.58 1980.0 C57
2020-09-28 12:34:11 S 03 55 40.577 -56 38 03.08 V C57
2020-09-28 12:34:11 s 1 +16592.216 0 +388827.79 4270.0 C57
2020-09-28 13:04:11 S 03 55 51.341 -56 38 26.59 V C57
2020-09-28 13:04:11 s 1 +15488.690 0 +389214.56 7830.0 C57
2020-09-28 13:14:11 S 03 55 54.698 -56 38 41.39 V C57
2020-09-28 13:14:11 s 1 +15108.923 0 +389334.17 960.0 C57
2020-09-28 13:24:11 S 03 55 58.596 -56 38 44.20 V C57
2020-09-28 13:24:11 s 1 +14730.473 0 +389453.70 3050.0 C57
2020-09-28 13:34:11 S 03 56 01.735 -56 38 56.62 V C57
2020-09-28 13:34:11 s 1 +14351.991 0 +389572.28 5100.0 C57
2020-09-28 13:54:11 S 03 56 08.606 -56 39 14.33 V C57
2020-09-28 13:54:11 s 1 +13594.906 0 +389806.61 9060.0 C57
2020-09-28 15:04:11 S 03 56 33.535 -56 40 18.91 V C57
2020-09-28 15:04:11 s 1 +10943.946 0 +390596.95 1590.0 C57
2020-09-28 15:24:11 S 03 56 40.824 -56 40 29.21 V C57
2020-09-28 15:24:11 s 1 +10186.227 0 +390814.27 4760.0 C57
2020-09-28 15:44:11 S 03 56 47.263 -56 40 47.39 V C57
2020-09-28 15:54:11 S 03 56 51.274 -56 40 58.62 V C57
2020-09-28 16:14:11 S 03 56 58.399 -56 41 14.53 V C57
2020-09-28 16:44:11 S 03 57 08.374 -56 41 43.69 V C57
2020-09-28 16:54:11 S 03 57 12.259 -56 41 50.03 V C57
2020-09-28 17:04:11 S 03 57 15.751 -56 41 56.87 V C57
2020-09-28 17:54:11 S 03 57 33.624 -56 42 41.51 V C57
2020-09-28 18:24:11 S 03 57 43.517 -56 43 06.35 V C57
2020-09-28 18:54:11 S 03 57 54.530 -56 43 30.58 V C57
2020-09-28 19:04:11 S 03 57 58.270 -56 43 38.93 V C57
2020-09-28 19:54:11 S 03 58 15.348 -56 43 55.31 V C57
2020-09-28 20:34:11 S 03 58 30.058 -56 44 55.97 V C57
2020-09-28 20:44:11 S 03 58 32.839 -56 44 58.02 V C57
2020-09-28 21:04:11 S 03 58 40.178 -56 45 17.03 V C57