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
2020-09-12 16:04:12 S 02 11 09.787 -47 55 20.53 – V C57
2020-09-12 16:04:12 s 1 +106127.87 0 +312860.33 6770.0 – C57
2020-09-12 16:24:12 S 02 11 12.530 -47 55 53.69 – V C57
2020-09-12 16:24:12 s 1 +105474.60 2 +313693.69 730.0 – C57
2020-09-12 16:44:12 S 02 11 15.732 -47 56 23.68 – V C57
2020-09-12 16:44:12 s 1 +104819.60 5 +314522.03 3730.0 – C57
2020-09-12 17:24:12 S 02 11 22.690 -47 57 26.93 – V C57
2020-09-12 17:24:12 s 1 +103504.49 6 +316163.69 6870.0 – C57
2020-09-12 19:34:12 S 02 11 43.409 -48 00 43.06 – V C57
2020-09-12 19:34:12 s 1 +99184.940 0 +321361.92 1740.0 – C57
2020-09-12 19:44:12 S 02 11 44.669 -48 01 07.90 – V C57
2020-09-12 19:44:12 s 1 +98849.883 0 +321753.16 9030.0 – C57
2020-09-12 19:54:12 S 02 11 46.166 -48 01 22.62 – V C57
2020-09-12 19:54:12 s 1 +98514.439 0 +322143.17 6100.0 – C57
2020-09-12 20:14:12 S 02 11 50.270 -48 01 53.87 – V C57
2020-09-12 20:14:12 s 1 +97842.399 0 +322919.52 9610.0 – C57
2020-09-12 20:24:12 S 02 11 50.719 -48 02 04.81 – V C57
2020-09-12 20:24:12 s 1 +97505.808 0 +323305.87 6050.0 – C57
2020-09-12 20:34:12 S 02 11 53.232 -48 02 24.25 – V C57
2020-09-12 20:34:12 s 1 +97168.840 0 +323690.99 2280.0 – C57
2020-09-12 20:44:12 S 02 11 54.638 -48 02 33.76 – V C57
2020-09-12 20:44:12 s 1 +96831.495 0 +324074.90 8300.0 – C57
2020-09-12 20:54:12 S 02 11 55.939 -48 02 51.14 – V C57
2020-09-12 20:54:12 s 1 +96493.777 0 +324457.59 4120.0 – C57
2020-09-12 21:04:12 S 02 11 57.545 -48 03 05.40 – V C57
2020-09-12 21:04:12 s 1 +96155.687 0 +324839.07 9730.0 – C57
2020-09-12 21:14:12 S 02 11 59.597 -48 03 19.15 – V C57
2020-09-12 21:14:12 s 1 +95817.228 0 +325219.33 5130.0 – C57
2020-09-12 21:24:12 S 02 12 00.718 -48 03 39.89 – V C57
2020-09-12 21:24:12 s 1 +95478.402 0 +325598.38 340.0 – C57
2020-09-12 21:34:12 S 02 12 02.462 -48 03 50.69 – V C57
2020-09-12 21:34:12 s 1 +95139.210 0 +325976.22 5340.0 – C57
2020-09-12 23:04:12 S 02 12 16.798 -48 06 13.39 – V C57
2020-09-12 23:04:12 s 1 +92070.395 0 +329322.49 1520.0 – C57
2020-09-12 23:14:12 S 02 12 18.761 -48 06 27.94 – V C57
2020-09-12 23:14:12 s 1 +91727.665 0 +329688.29 4580.0 – C57
2020-09-12 23:34:12 S 02 12 21.811 -48 06 52.74 – V C57
2020-09-12 23:34:12 s 1 +91041.179 0 +330416.31 140.0 – C57
2020-09-12 23:54:12 S 02 12 25.034 -48 07 27.91 – V C57
2020-09-12 23:54:12 s 1 +90353.339 0 +331139.56 4960.0 – C57
2020-09-13 00:04:12 S 02 12 27.062 -48 07 49.26 – V C57
2020-09-13 00:04:12 s 1 +90008.915 0 +331499.39 7090.0 – C57
2020-09-13 00:14:12 S 02 12 28.766 -48 07 56.39 – V C57
2020-09-13 00:14:12 s 1 +89664.159 0 +331858.04 9050.0 – C57
2020-09-13 00:24:12 S 02 12 30.370 -48 08 17.12 – V C57
2020-09-13 00:24:12 s 1 +89319.072 0 +332215.50 820.0 – C57
2020-09-13 01:24:12 S 02 12 39.413 -48 09 44.64 – V C57
2020-09-13 01:24:12 s 1 +87241.709 0 +334335.37 7760.0 – C57
2020-09-13 03:34:12 S 02 13 01.358 -48 13 05.05 – V C57
2020-09-13 03:34:12 s 1 +82702.088 0 +338783.14 1960.0 – C57