IAA RAS IAA Minor Planet Database

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
2020-09-13 03:44:12 S 02 13 02.765 -48 13 16.43 – V C57
2020-09-13 03:44:12 s 1 +82350.782 0 +339117.11 390.0 – C57
2020-09-13 03:54:12 S 02 13 04.625 -48 13 40.94 – V C57
2020-09-13 03:54:12 s 1 +81999.183 0 +339449.90 8670.0 – C57
2020-09-13 04:24:12 S 02 13 09.300 -48 14 22.09 – V C57
2020-09-13 04:24:12 s 1 +80942.656 0 +340441.34 2580.0 – C57
2020-09-13 04:34:12 S 02 13 10.740 -48 14 30.62 – V C57
2020-09-13 04:34:12 s 1 +80589.908 0 +340769.50 240.0 – C57
2020-09-13 04:54:12 S 02 13 14.294 -48 15 06.73 – V C57
2020-09-13 04:54:12 s 1 +79883.567 0 +341422.36 5130.0 – C57
2020-09-13 05:14:12 S 02 13 17.402 -48 15 38.52 – V C57
2020-09-13 05:14:12 s 1 +79176.108 0 +342070.61 9430.0 – C57
2020-09-13 05:44:12 S 02 13 21.974 -48 16 24.38 – V C57
2020-09-13 05:44:12 s 1 +78112.855 0 +343034.35 9800.0 – C57
2020-09-13 06:23:48 C 02 16 23.05 -47 55 13.7 – V W88
2020-09-13 06:43:03 C 02 16 26.60 -47 55 43.8 – V W88
2020-09-13 06:44:12 S 02 13 32.508 -48 17 58.96 – V C57
2020-09-13 06:44:12 s 1 +75979.086 0 +344930.86 6760.0 – C57
2020-09-13 06:47:57 C 02 16 27.50 -47 55 51.6 – V W88
2020-09-13 06:54:12 S 02 13 34.109 -48 18 10.33 – V C57
2020-09-13 06:54:12 s 1 +75622.536 0 +345242.95 2440.0 – C57
2020-09-13 08:24:12 S 02 13 48.871 -48 20 21.91 – V C57
2020-09-13 08:24:12 s 1 +72402.133 0 +348000.56 7710.0 – C57
2020-09-13 08:54:12 S 02 13 54.689 -48 21 13.14 – V C57
2020-09-13 08:54:12 s 1 +71324.212 0 +348899.38 540.0 – C57
2020-09-13 09:04:12 S 02 13 55.358 -48 21 28.04 – V C57
2020-09-13 09:04:12 s 1 +70964.424 0 +349196.74 4570.0 – C57
2020-09-13 09:24:12 S 02 13 59.287 -48 21 55.94 – V C57
2020-09-13 09:24:12 s 1 +70244.136 0 +349788.07 2280.0 – C57
2020-09-13 09:34:12 S 02 14 01.066 -48 22 07.07 – V C57
2020-09-13 09:34:12 s 1 +69883.639 0 +350082.05 5960.0 – C57
2020-09-13 10:54:12 S 02 14 13.946 -48 24 08.28 – V C57
2020-09-13 10:54:12 s 1 +66991.407 0 +352393.57 1300.0 – C57
2020-09-13 12:14:12 S 02 14 28.231 -48 26 07.26 – V C57
2020-09-13 12:14:12 s 1 +64085.049 0 +354633.78 9740.0 – C57
2020-09-13 12:34:12 S 02 14 31.416 -48 26 37.07 – V C57
2020-09-13 12:34:12 s 1 +63356.343 0 +355182.76 3340.0 – C57
2020-09-13 12:44:12 S 02 14 32.978 -48 26 54.92 – V C57
2020-09-13 12:44:12 s 1 +62991.681 0 +355455.58 4990.0 – C57
2020-09-13 13:24:12 S 02 14 39.674 -48 27 56.99 – V C57
2020-09-13 13:24:12 s 1 +61531.006 0 +356535.88 640.0 – C57
2020-09-13 13:44:12 S 02 14 43.188 -48 28 27.66 – V C57
2020-09-13 13:44:12 s 1 +60799.472 0 +357069.43 2900.0 – C57
2020-09-13 15:14:12 S 02 14 58.586 -48 30 37.69 – V C57
2020-09-13 15:14:12 s 1 +57498.062 0 +359416.20 8720.0 – C57
2020-09-13 15:44:12 S 02 15 03.535 -48 31 29.46 – V C57
2020-09-13 15:44:12 s 1 +56394.253 0 +360178.82 9150.0 – C57
2020-09-13 15:54:12 S 02 15 05.551 -48 31 41.05 – V C57
2020-09-13 15:54:12 s 1 +56025.957 0 +360430.86 9140.0 – C57
2020-09-13 16:34:12 S 02 15 12.398 -48 32 43.55 – V C57