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
2020-09-10 09:04:12 S 02 03 14.664 -46 23 31.31 V C57
2020-09-10 09:04:12 s 1 +164105.60 1 +93648.303 2350.0 C57
2020-09-10 09:24:12 S 02 03 17.630 -46 24 11.27 V C57
2020-09-10 09:24:12 s 1 +164340.54 7 +95557.719 6550.0 C57
2020-09-10 09:34:12 S 02 03 19.630 -46 24 26.60 V C57
2020-09-10 09:34:12 s 1 +164452.86 5 +96509.445 1170.0 C57
2020-09-10 11:34:12 S 02 03 36.046 -46 28 05.45 V C57
2020-09-10 11:34:12 s 1 +165543.43 4 +107774.55 2910.0 C57
2020-09-10 11:44:12 S 02 03 36.581 -46 28 14.23 V C57
2020-09-10 11:44:12 s 1 +165613.68 7 +108700.32 7300.0 C57
2020-09-10 11:54:12 S 02 03 38.021 -46 28 38.78 V C57
2020-09-10 11:54:12 s 1 +165680.88 6 +109624.09 210.0 C57
2020-09-10 12:14:12 S 02 03 40.632 -46 29 19.03 V C57
2020-09-10 12:14:12 s 1 +165806.22 0 +111465.63 1680.0 C57
2020-09-10 12:54:12 S 02 03 46.277 -46 30 22.32 V C57
2020-09-10 12:54:12 s 1 +166021.30 6 +115124.72 7460.0 C57
2020-09-10 13:24:12 S 02 03 50.158 -46 31 20.60 V C57
2020-09-10 13:24:12 s 1 +166152.22 3 +117848.08 2140.0 C57
2020-09-10 14:34:12 S 02 03 59.285 -46 33 22.75 V C57
2020-09-10 14:34:12 s 1 +166360.03 9 +124132.82 5900.0 C57
2020-09-10 15:14:12 S 02 04 04.092 -46 34 39.50 V C57
2020-09-10 15:14:12 s 1 +166419.60 7 +127680.39 6590.0 C57
2020-09-10 15:24:12 S 02 04 06.619 -46 34 57.50 V C57
2020-09-10 15:24:12 s 1 +166427.98 0 +128562.33 1100.0 C57
2020-09-10 15:54:12 S 02 04 09.902 -46 35 51.18 V C57
2020-09-10 15:54:12 s 1 +166437.77 1 +131196.29 7220.0 C57
2020-09-10 16:04:12 S 02 04 11.482 -46 36 11.05 V C57
2020-09-10 16:04:12 s 1 +166435.98 9 +132070.33 6820.0 C57
2020-09-10 16:24:12 S 02 04 14.450 -46 36 45.04 V C57
2020-09-10 16:24:12 s 1 +166424.97 4 +133812.51 2400.0 C57
2020-09-10 16:34:12 S 02 04 15.276 -46 37 01.99 V C57
2020-09-10 16:34:12 s 1 +166415.77 7 +134680.64 8390.0 C57
2020-09-10 17:04:12 S 02 04 19.666 -46 37 51.53 V C57
2020-09-10 17:04:12 s 1 +166373.65 2 +137273.28 9330.0 C57
2020-09-10 17:54:12 S 02 04 25.783 -46 39 26.75 V C57
2020-09-10 17:54:12 s 1 +166256.06 9 +141555.22 4530.0 C57
2020-09-10 19:24:12 S 02 04 38.882 -46 42 06.01 V C57
2020-09-10 19:24:12 s 1 +165901.30 8 +149140.35 6160.0 C57
2020-09-10 19:54:12 S 02 04 42.499 -46 42 57.89 V C57
2020-09-10 19:54:12 s 1 +165743.83 0 +151634.03 880.0 C57
2020-09-10 20:24:12 S 02 04 46.423 -46 43 43.07 V C57
2020-09-10 20:24:12 s 1 +165567.44 1 +154110.47 6340.0 C57
2020-09-10 22:04:12 S 02 04 59.321 -46 46 48.25 V C57
2020-09-10 22:04:12 s 1 +164847.97 3 +162241.82 0.0 C57
2020-09-10 22:44:12 S 02 05 05.736 -46 47 54.64 V C57
2020-09-10 22:44:12 s 1 +164505.75 9 +165441.63 4680.0 C57
2020-09-10 23:04:12 S 02 05 08.549 -46 48 31.57 V C57
2020-09-10 23:04:12 s 1 +164323.41 7 +167030.33 6470.0 C57
2020-09-10 23:14:12 S 02 05 10.133 -46 48 38.27 V C57
2020-09-10 23:14:12 s 1 +164229.48 3 +167821.89 990.0 C57