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
2020-08-29 23:24:13 S 01 19 41.134 -39 29 50.96 V C57
2020-08-29 23:24:13 s 1 +88588.332 0 +323868.11 7260.0 C57
2020-08-30 01:44:14 S 01 19 56.383 -39 33 12.06 V C57
2020-08-30 01:44:14 s 1 +83982.631 0 +329173.97 6620.0 C57
2020-08-30 01:54:14 S 01 19 57.408 -39 33 20.05 V C57
2020-08-30 01:54:14 s 1 +83651.224 0 +329543.88 1220.0 C57
2020-08-30 02:54:14 S 01 20 03.641 -39 34 39.11 V C57
2020-08-30 02:54:14 s 1 +81656.270 0 +331738.15 5960.0 C57
2020-08-30 03:54:13 S 01 20 09.653 -39 36 05.94 V C57
2020-08-30 03:54:13 s 1 +79650.449 0 +333889.50 5910.0 C57
2020-08-30 06:34:13 S 01 20 26.798 -39 39 47.16 V C57
2020-08-30 06:34:13 s 1 +74251.477 0 +339418.98 6940.0 C57
2020-08-30 10:24:14 S 01 20 52.025 -39 45 04.32 V C57
2020-08-30 10:24:14 s 1 +66374.397 0 +346848.62 9930.0 C57
2020-08-30 11:44:14 S 01 21 00.463 -39 47 02.40 V C57
2020-08-30 11:44:14 s 1 +63605.633 0 +349291.99 4550.0 C57
2020-08-30 11:54:14 S 01 21 01.423 -39 47 15.14 V C57
2020-08-30 11:54:14 s 1 +63258.563 0 +349592.36 2200.0 C57
2020-08-30 12:24:14 S 01 21 04.831 -39 48 02.70 V C57
2020-08-30 12:24:14 s 1 +62216.090 0 +350486.78 4550.0 C57
2020-08-30 14:34:14 S 01 21 18.593 -39 50 54.92 V C57
2020-08-30 14:34:14 s 1 +57677.672 0 +354247.09 1930.0 C57
2020-08-30 18:24:14 S 01 21 43.891 -39 56 08.45 V C57
2020-08-30 18:24:14 s 1 +49572.010 0 +360446.56 2000.0 C57
2020-08-30 18:54:13 S 01 21 47.287 -39 56 55.79 V C57
2020-08-30 18:54:13 s 1 +48508.263 0 +361213.05 4710.0 C57
2020-08-30 19:24:13 S 01 21 50.479 -39 57 40.75 V C57
2020-08-30 19:24:13 s 1 +47443.133 0 +361969.90 6780.0 C57
2020-08-30 19:54:14 S 01 21 54.655 -39 58 13.80 V C57
2020-08-30 19:54:14 s 1 +46376.654 0 +362717.14 8240.0 C57
2020-08-30 22:24:13 S 01 22 11.081 -40 01 46.49 V C57
2020-08-30 22:24:13 s 1 +41025.195 0 +366310.25 6760.0 C57
2020-08-31 00:04:14 S 01 22 22.404 -40 03 54.00 V C57
2020-08-31 00:04:14 s 1 +37441.319 0 +368574.28 1610.0 C57
2020-08-31 03:14:13 S 01 22 43.903 -40 08 28.54 V C57
2020-08-31 03:14:13 s 1 +30600.888 0 +372590.16 4410.0 C57
2020-08-31 04:54:14 S 01 22 55.694 -40 10 50.92 V C57
2020-08-31 04:54:14 s 1 +26986.422 0 +374555.02 5020.0 C57
2020-08-31 06:34:13 S 01 23 06.780 -40 13 12.90 V C57
2020-08-31 06:34:13 s 1 +23363.543 0 +376418.39 8330.0 C57
2020-08-31 06:44:13 S 01 23 08.138 -40 13 26.47 V C57
2020-08-31 06:44:13 s 1 +23000.832 0 +376599.17 7870.0 C57
2020-08-31 09:24:13 S 01 23 26.602 -40 17 08.23 V C57
2020-08-31 09:24:13 s 1 +17188.288 0 +379355.39 4780.0 C57
2020-08-31 10:04:13 S 01 23 31.618 -40 17 57.88 V C57
2020-08-31 10:04:13 s 1 +15732.733 0 +380004.55 5170.0 C57
2020-08-31 10:14:14 S 01 23 32.887 -40 18 15.52 V C57
2020-08-31 10:14:14 s 1 +15368.710 0 +380164.36 5330.0 C57
2020-08-31 10:24:13 S 01 23 33.926 -40 18 27.58 V C57
2020-08-31 10:24:13 s 1 +15004.636 0 +380323.18 5510.0 C57