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
2020-10-12 02:54:11 S 06 37 23.875 -55 50 51.47 – V C57
2020-10-12 02:54:11 s 1 +73936.966 0 +366914.72 880.0 – C57
2020-10-12 03:34:11 S 06 37 44.321 -55 49 59.38 – V C57
2020-10-12 03:34:11 s 1 +72472.418 0 +367883.04 1330.0 – C57
2020-10-12 03:44:11 S 06 37 48.823 -55 49 51.17 – V C57
2020-10-12 03:44:11 s 1 +72105.797 0 +368122.58 3950.0 – C57
2020-10-12 03:54:11 S 06 37 52.714 -55 49 36.44 – V C57
2020-10-12 03:54:11 s 1 +71738.984 0 +368361.10 6570.0 – C57
2020-10-12 04:24:11 S 06 38 08.494 -55 48 54.86 – V C57
2020-10-12 04:24:11 s 1 +70637.410 0 +369070.58 4440.0 – C57
2020-10-12 05:04:11 S 06 38 28.721 -55 48 01.62 – V C57
2020-10-12 05:04:11 s 1 +69166.044 0 +370002.37 4920.0 – C57
2020-10-12 05:24:11 S 06 38 38.546 -55 47 34.87 – V C57
2020-10-12 05:24:11 s 1 +68429.269 0 +370462.21 140.0 – C57
2020-10-12 06:34:11 S 06 39 12.929 -55 45 57.02 – V C57
2020-10-12 06:34:11 s 1 +65844.993 0 +372039.86 8160.0 – C57
2020-10-12 09:34:11 S 06 40 41.376 -55 41 56.47 – V C57
2020-10-12 09:34:11 s 1 +59162.459 0 +375871.10 1320.0 – C57
2020-10-12 10:14:11 S 06 41 01.169 -55 40 56.50 – V C57
2020-10-12 10:14:11 s 1 +57670.677 0 +376678.62 9970.0 – C57
2020-10-12 10:44:11 S 06 41 15.456 -55 40 28.02 – V C57
2020-10-12 10:44:11 s 1 +56550.327 0 +377273.85 6160.0 – C57
2020-10-12 11:04:11 S 06 41 25.598 -55 39 51.05 – V C57
2020-10-12 11:04:11 s 1 +55802.723 0 +377665.71 140.0 – C57
2020-10-12 11:24:11 S 06 41 35.045 -55 39 21.02 – V C57
2020-10-12 11:24:11 s 1 +55054.568 0 +378053.62 3990.0 – C57
2020-10-12 12:54:11 S 06 42 19.051 -55 37 10.34 – V C57
2020-10-12 12:54:11 s 1 +51681.517 0 +379750.55 9350.0 – C57
2020-10-12 13:04:11 S 06 42 24.142 -55 37 01.16 – V C57
2020-10-12 13:04:11 s 1 +51315.596 0 +379941.44 9970.0 – C57
2020-10-12 13:14:11 S 06 42 29.573 -55 36 43.70 – V C57
2020-10-12 13:14:11 s 1 +50939.608 0 +380123.76 1970.0 – C57
2020-10-12 13:34:11 S 06 42 39.106 -55 36 19.26 – V C57
2020-10-12 13:34:11 s 1 +50188.111 0 +380486.11 4880.0 – C57
2020-10-12 13:54:11 S 06 42 49.954 -55 35 37.36 – V C57
2020-10-12 13:54:11 s 1 +49436.131 0 +380844.53 7610.0 – C57
2020-10-12 14:04:11 S 06 42 53.395 -55 35 25.12 – V C57
2020-10-12 14:04:11 s 1 +49059.963 0 +381022.27 8920.0 – C57
2020-10-12 14:44:11 S 06 43 13.634 -55 34 31.22 – V C57
2020-10-12 14:44:11 s 1 +47554.122 0 +381723.45 3680.0 – C57
2020-10-12 15:04:11 S 06 43 23.738 -55 34 09.77 – V C57
2020-10-12 15:04:11 s 1 +46800.517 0 +382068.18 5780.0 – C57
2020-10-12 17:14:11 S 06 44 27.761 -55 30 51.80 – V C57
2020-10-12 17:14:11 s 1 +41891.630 0 +384213.86 4480.0 – C57
2020-10-12 18:24:11 S 06 45 02.407 -55 29 01.90 – V C57
2020-10-12 18:24:11 s 1 +39241.427 0 +385301.25 5250.0 – C57
2020-10-12 18:34:11 S 06 45 06.622 -55 28 56.75 – V C57
2020-10-12 18:34:11 s 1 +38862.459 0 +385452.72 5120.0 – C57
2020-10-12 18:44:11 S 06 45 12.122 -55 28 33.10 – V C57
2020-10-12 18:44:11 s 1 +38483.402 0 +385603.23 4930.0 – C57