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
2020-09-27 06:14:11 S 03 45 32.110 -56 08 02.51 – V C57
2020-09-27 06:14:11 s 1 +83631.430 0 +349986.61 4210.0 – C57
2020-09-27 06:24:11 S 03 45 34.858 -56 08 14.68 – V C57
2020-09-27 06:24:11 s 1 +83279.325 0 +350293.04 5890.0 – C57
2020-09-27 06:34:11 S 03 45 38.194 -56 08 27.06 – V C57
2020-09-27 06:34:11 s 1 +82926.961 0 +350598.40 7480.0 – C57
2020-09-27 06:44:11 S 03 45 41.652 -56 08 36.85 – V C57
2020-09-27 06:44:11 s 1 +82574.339 0 +350902.68 8980.0 – C57
2020-09-27 07:04:11 S 03 45 48.391 -56 08 56.90 – V C57
2020-09-27 07:04:11 s 1 +81868.330 0 +351508.01 1720.0 – C57
2020-09-27 07:24:11 S 03 45 54.902 -56 09 24.62 – V C57
2020-09-27 07:24:11 s 1 +81161.308 0 +352109.05 4120.0 – C57
2020-09-27 07:44:11 S 03 46 01.294 -56 09 42.37 – V C57
2020-09-27 07:44:11 s 1 +80453.286 0 +352705.80 6180.0 – C57
2020-09-27 07:54:11 S 03 46 04.414 -56 09 52.67 – V C57
2020-09-27 07:54:11 s 1 +80098.904 0 +353002.56 7090.0 – C57
2020-09-27 08:04:11 S 03 46 07.632 -56 10 06.78 – V C57
2020-09-27 08:04:11 s 1 +79744.276 0 +353298.26 7910.0 – C57
2020-09-27 08:14:11 S 03 46 11.095 -56 10 13.84 – V C57
2020-09-27 08:14:11 s 1 +79389.404 0 +353592.89 8660.0 – C57
2020-09-27 08:24:12 S 03 46 13.690 -56 10 26.90 – V C57
2020-09-27 08:24:12 s 1 +79034.290 0 +353886.46 9330.0 – C57
2020-09-27 08:34:11 S 03 46 18.137 -56 10 34.54 – V C57
2020-09-27 08:34:11 s 1 +78678.934 0 +354178.95 9920.0 – C57
2020-09-27 08:44:11 S 03 46 20.412 -56 10 49.08 – V C57
2020-09-27 08:44:11 s 1 +78323.339 0 +354470.38 430.0 – C57
2020-09-27 08:54:11 S 03 46 23.678 -56 10 56.75 – V C57
2020-09-27 08:54:11 s 1 +77967.505 0 +354760.75 860.0 – C57
2020-09-27 09:14:11 S 03 46 29.753 -56 11 19.46 – V C57
2020-09-27 09:14:11 s 1 +77255.129 0 +355338.29 1500.0 – C57
2020-09-27 09:34:11 S 03 46 36.566 -56 11 39.16 – V C57
2020-09-27 09:34:11 s 1 +76541.817 0 +355911.59 1840.0 – C57
2020-09-27 09:44:11 S 03 46 40.505 -56 11 50.06 – V C57
2020-09-27 09:44:11 s 1 +76184.814 0 +356196.64 1900.0 – C57
2020-09-27 09:54:12 S 03 46 43.498 -56 12 04.25 – V C57
2020-09-27 09:54:12 s 1 +75827.582 0 +356480.64 1890.0 – C57
2020-09-27 10:04:11 S 03 46 45.934 -56 12 13.72 – V C57
2020-09-27 10:04:11 s 1 +75470.121 0 +356763.58 1810.0 – C57
2020-09-27 10:14:11 S 03 46 49.973 -56 12 25.13 – V C57
2020-09-27 10:14:11 s 1 +75112.433 0 +357045.47 1660.0 – C57
2020-09-27 10:24:11 S 03 46 53.539 -56 12 35.14 – V C57
2020-09-27 10:24:11 s 1 +74754.520 0 +357326.29 1430.0 – C57
2020-09-27 10:34:11 S 03 46 56.230 -56 12 45.22 – V C57
2020-09-27 10:34:11 s 1 +74396.383 0 +357606.06 1140.0 – C57
2020-09-27 10:44:11 S 03 46 59.587 -56 12 55.30 – V C57
2020-09-27 10:44:11 s 1 +74038.024 0 +357884.78 780.0 – C57
2020-09-27 10:54:11 S 03 47 02.606 -56 13 09.55 – V C57
2020-09-27 10:54:11 s 1 +73679.444 0 +358162.44 360.0 – C57
2020-09-27 11:04:11 S 03 47 06.221 -56 13 15.96 – V C57
2020-09-27 11:04:11 s 1 +73320.643 0 +358439.05 9870.0 – C57