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
2020-10-01 15:24:11 s 1 -144767.52 7 +352492.21 6530.0 C57
2020-10-01 15:34:11 S 04 24 26.124 -57 22 39.97 V C57
2020-10-01 15:34:11 s 1 -145078.21 3 +352208.00 3010.0 C57
2020-10-01 15:44:11 S 04 24 31.046 -57 22 47.57 V C57
2020-10-01 15:44:11 s 1 -145388.53 2 +351922.88 9170.0 C57
2020-10-01 15:54:11 S 04 24 34.949 -57 22 51.71 V C57
2020-10-01 15:54:11 s 1 -145698.48 2 +351636.83 5010.0 C57
2020-10-01 16:14:11 S 04 24 43.656 -57 22 55.70 V C57
2020-10-01 16:14:11 s 1 -146317.27 0 +351061.96 5730.0 C57
2020-10-01 16:34:11 S 04 24 51.684 -57 22 58.51 V C57
2020-10-01 16:34:11 s 1 -146934.56 9 +350483.40 5160.0 C57
2020-10-01 16:44:11 S 04 24 55.560 -57 23 02.26 V C57
2020-10-01 16:44:11 s 1 -147242.65 7 +350192.73 9390.0 C57
2020-10-01 16:54:11 S 04 25 00.290 -57 23 02.76 V C57
2020-10-01 16:54:11 s 1 -147550.36 8 +349901.14 3300.0 C57
2020-10-01 17:04:11 S 04 25 04.493 -57 23 06.54 V C57
2020-10-01 17:04:11 s 1 -147857.70 2 +349608.62 6870.0 C57
2020-10-01 17:14:11 S 04 25 08.359 -57 23 07.51 V C57
2020-10-01 17:14:11 s 1 -148164.65 7 +349315.18 130.0 C57
2020-10-01 17:24:11 S 04 25 12.653 -57 23 10.00 V C57
2020-10-01 17:24:11 s 1 -148471.23 2 +349020.81 3050.0 C57
2020-10-01 17:34:11 S 04 25 16.795 -57 23 16.26 V C57
2020-10-01 17:34:11 s 1 -148777.42 6 +348725.52 5650.0 C57
2020-10-01 17:44:11 S 04 25 21.329 -57 23 16.44 V C57
2020-10-01 17:44:11 s 1 -149083.23 7 +348429.30 7910.0 C57
2020-10-01 17:54:11 S 04 25 25.558 -57 23 18.38 V C57
2020-10-01 17:54:11 s 1 -149388.66 5 +348132.16 9850.0 C57
2020-10-01 18:04:11 S 04 25 29.573 -57 23 20.94 V C57
2020-10-01 18:04:11 s 1 -149693.70 7 +347834.09 1460.0 C57
2020-10-01 18:14:11 S 04 25 34.058 -57 23 21.73 V C57
2020-10-01 18:14:11 s 1 -149998.36 3 +347535.09 2730.0 C57
2020-10-01 18:24:11 S 04 25 38.203 -57 23 28.97 V C57
2020-10-01 18:24:11 s 1 -150302.63 2 +347235.17 3670.0 C57
2020-10-01 18:34:11 S 04 25 42.180 -57 23 30.01 V C57
2020-10-01 18:34:11 s 1 -150606.51 1 +346934.31 4280.0 C57
2020-10-01 18:44:11 S 04 25 46.781 -57 23 29.76 V C57
2020-10-01 18:44:11 s 1 -150910.00 0 +346632.53 4550.0 C57
2020-10-01 18:54:11 S 04 25 50.623 -57 23 40.02 V C57
2020-10-01 18:54:11 s 1 -151213.09 8 +346329.82 4490.0 C57
2020-10-01 19:04:11 S 04 25 54.943 -57 23 41.89 V C57
2020-10-01 19:04:11 s 1 -151515.80 3 +346026.18 4090.0 C57
2020-10-01 19:14:11 S 04 25 59.741 -57 23 42.00 V C57
2020-10-01 19:14:11 s 1 -151818.11 3 +345721.62 3350.0 C57
2020-10-01 19:24:11 S 04 26 03.617 -57 23 42.50 V C57
2020-10-01 19:24:11 s 1 -152120.02 9 +345416.12 2280.0 C57
2020-10-01 19:34:11 S 04 26 07.831 -57 23 45.02 V C57
2020-10-01 19:34:11 s 1 -152421.54 7 +345109.70 860.0 C57
2020-10-01 19:44:11 S 04 26 11.947 -57 23 48.37 V C57
2020-10-01 19:44:11 s 1 -152722.66 8 +344802.34 9110.0 C57
2020-10-01 20:14:11 S 04 26 25.238 -57 23 57.08 V C57