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
2020-09-26 13:24:11 S 03 40 14.844 -55 48 34.34 V C57
2020-09-26 13:24:11 s 1 +117560.14 5 +313292.40 8580.0 C57
2020-09-26 13:34:12 S 03 40 17.947 -55 48 45.79 V C57
2020-09-26 13:34:12 s 1 +117243.24 0 +313713.46 4300.0 C57
2020-09-26 13:44:11 S 03 40 20.767 -55 48 54.76 V C57
2020-09-26 13:44:11 s 1 +116925.88 5 +314133.33 9830.0 C57
2020-09-26 14:04:11 S 03 40 26.623 -55 49 23.77 V C57
2020-09-26 14:04:11 s 1 +116289.83 5 +314969.48 300.0 C57
2020-09-26 14:14:11 S 03 40 29.170 -55 49 37.31 V C57
2020-09-26 14:14:11 s 1 +115971.14 6 +315385.77 5240.0 C57
2020-09-26 14:24:12 S 03 40 33.238 -55 49 46.81 V C57
2020-09-26 14:24:12 s 1 +115652.01 7 +315800.86 0.0 C57
2020-09-26 14:34:11 S 03 40 35.928 -55 49 59.16 V C57
2020-09-26 14:34:11 s 1 +115332.44 9 +316214.76 4570.0 C57
2020-09-26 14:44:12 S 03 40 39.490 -55 50 10.03 V C57
2020-09-26 14:44:12 s 1 +115012.44 7 +316627.47 8950.0 C57
2020-09-26 15:04:12 S 03 40 44.652 -55 50 36.28 V C57
2020-09-26 15:04:12 s 1 +114371.14 3 +317449.33 7160.0 C57
2020-09-26 15:24:12 S 03 40 52.078 -55 50 55.90 V C57
2020-09-26 15:24:12 s 1 +113728.12 4 +318266.44 4630.0 C57
2020-09-26 15:44:11 S 03 40 57.797 -55 51 22.93 V C57
2020-09-26 15:44:11 s 1 +113083.40 7 +319078.83 1370.0 C57
2020-09-26 16:04:11 S 03 41 03.977 -55 51 49.36 V C57
2020-09-26 16:04:11 s 1 +112437.01 1 +319886.49 7410.0 C57
2020-09-26 16:14:12 S 03 41 07.212 -55 51 53.93 V C57
2020-09-26 16:14:12 s 1 +112113.18 8 +320288.56 160.0 C57
2020-09-26 16:24:11 S 03 41 10.277 -55 52 12.18 V C57
2020-09-26 16:24:11 s 1 +111788.95 2 +320689.45 2730.0 C57
2020-09-26 17:04:11 S 03 41 22.877 -55 53 01.21 V C57
2020-09-26 17:04:11 s 1 +110487.91 5 +322281.28 1300.0 C57
2020-09-26 17:14:11 S 03 41 25.858 -55 53 09.71 V C57
2020-09-26 17:14:11 s 1 +110161.64 4 +322676.31 3020.0 C57
2020-09-26 17:24:12 S 03 41 28.838 -55 53 20.62 V C57
2020-09-26 17:24:12 s 1 +109834.97 2 +323070.17 4570.0 C57
2020-09-26 17:34:11 S 03 41 31.579 -55 53 35.84 V C57
2020-09-26 17:34:11 s 1 +109507.90 1 +323462.86 5950.0 C57
2020-09-26 17:44:12 S 03 41 34.802 -55 53 44.27 V C57
2020-09-26 17:44:12 s 1 +109180.43 4 +323854.39 7160.0 C57
2020-09-26 17:54:11 S 03 41 38.194 -55 53 53.95 V C57
2020-09-26 17:54:11 s 1 +108852.57 3 +324244.76 8210.0 C57
2020-09-26 18:04:12 S 03 41 41.112 -55 54 11.88 V C57
2020-09-26 18:04:12 s 1 +108524.31 9 +324633.96 9100.0 C57
2020-09-26 18:14:11 S 03 41 44.347 -55 54 19.26 V C57
2020-09-26 18:14:11 s 1 +108195.67 5 +325022.00 9830.0 C57
2020-09-26 18:24:11 S 03 41 46.838 -55 54 31.21 V C57
2020-09-26 18:24:11 s 1 +107866.64 3 +325408.89 390.0 C57
2020-09-26 18:34:11 S 03 41 50.654 -55 54 46.51 V C57
2020-09-26 18:34:11 s 1 +107537.22 5 +325794.61 790.0 C57
2020-09-26 18:44:11 S 03 41 53.578 -55 54 53.42 V C57
2020-09-26 18:44:11 s 1 +107207.42 2 +326179.17 1040.0 C57