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
2020-09-17 13:04:12 s 1 -146378.14 4 +347242.19 4740.0 C57
2020-09-17 13:14:12 S 02 33 55.577 -50 40 48.47 V C57
2020-09-17 13:14:12 s 1 -146683.50 9 +346955.52 9240.0 C57
2020-09-17 13:24:12 S 02 33 58.157 -50 40 57.72 V C57
2020-09-17 13:24:12 s 1 -146988.47 8 +346667.91 3450.0 C57
2020-09-17 13:34:12 S 02 33 59.414 -50 41 07.12 V C57
2020-09-17 13:34:12 s 1 -147293.05 1 +346379.35 7360.0 C57
2020-09-17 13:44:12 S 02 34 03.010 -50 41 22.56 V C57
2020-09-17 13:44:12 s 1 -147597.22 5 +346089.85 990.0 C57
2020-09-17 13:54:12 S 02 34 04.428 -50 41 30.55 V C57
2020-09-17 13:54:12 s 1 -147900.99 9 +345799.40 4320.0 C57
2020-09-17 14:14:12 S 02 34 10.068 -50 42 03.20 V C57
2020-09-17 14:14:12 s 1 -148507.34 4 +345215.67 100.0 C57
2020-09-17 14:24:12 S 02 34 12.230 -50 42 14.51 V C57
2020-09-17 14:24:12 s 1 -148809.91 2 +344922.38 2550.0 C57
2020-09-17 14:44:12 S 02 34 16.927 -50 42 39.24 V C57
2020-09-17 14:44:12 s 1 -149413.83 2 +344332.97 6560.0 C57
2020-09-17 15:14:12 S 02 34 23.234 -50 43 14.02 V C57
2020-09-17 15:14:12 s 1 -150316.65 4 +343441.75 350.0 C57
2020-09-17 15:34:12 S 02 34 28.682 -50 43 42.49 V C57
2020-09-17 15:34:12 s 1 -150916.48 0 +342842.87 1380.0 C57
2020-09-17 15:44:12 S 02 34 30.682 -50 43 54.12 V C57
2020-09-17 15:44:12 s 1 -151215.77 3 +342542.00 1440.0 C57
2020-09-17 15:54:12 S 02 34 33.622 -50 44 06.72 V C57
2020-09-17 15:54:12 s 1 -151514.65 1 +342240.19 1210.0 C57
2020-09-17 16:14:12 S 02 34 38.098 -50 44 32.14 V C57
2020-09-17 16:14:12 s 1 -152111.15 4 +341633.71 9820.0 C57
2020-09-17 16:24:12 S 02 34 40.966 -50 44 44.95 V C57
2020-09-17 16:24:12 s 1 -152408.77 8 +341329.05 8680.0 C57
2020-09-17 16:44:12 S 02 34 45.401 -50 45 00.79 V C57
2020-09-17 16:44:12 s 1 -153002.76 1 +340716.88 5470.0 C57
2020-09-17 16:54:12 S 02 34 47.047 -50 45 26.50 V C57
2020-09-17 16:54:12 s 1 -153299.11 9 +340409.36 3410.0 C57
2020-09-17 17:04:12 S 02 34 49.682 -50 45 35.28 V C57
2020-09-17 17:04:12 s 1 -153595.05 1 +340100.90 1040.0 C57
2020-09-17 17:14:12 S 02 34 52.459 -50 45 48.92 V C57
2020-09-17 17:14:12 s 1 -153890.55 8 +339791.48 8360.0 C57
2020-09-17 17:24:12 S 02 34 54.641 -50 45 59.22 V C57
2020-09-17 17:24:12 s 1 -154185.63 7 +339481.12 5380.0 C57
2020-09-17 17:34:12 S 02 34 57.173 -50 46 13.84 V C57
2020-09-17 17:34:12 s 1 -154480.28 7 +339169.80 2080.0 C57
2020-09-17 17:44:12 S 02 35 00.247 -50 46 31.01 V C57
2020-09-17 17:44:12 s 1 -154774.50 6 +338857.52 8480.0 C57
2020-09-17 18:14:12 S 02 35 06.864 -50 47 04.27 V C57
2020-09-17 18:14:12 s 1 -155654.57 0 +337914.99 5800.0 C57
2020-09-17 18:34:12 S 02 35 11.642 -50 47 33.50 V C57
2020-09-17 18:34:12 s 1 -156239.10 3 +337281.87 5780.0 C57
2020-09-17 19:24:12 S 02 35 24.696 -50 48 28.55 V C57
2020-09-17 19:24:12 s 1 -157692.73 5 +335682.36 5210.0 C57
2020-09-17 19:34:12 S 02 35 26.614 -50 48 45.68 V C57