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
2020-09-18 22:04:12 s 1 -197215.19 0 +271584.94 5630.0 C57
2020-09-18 22:54:12 S 02 42 21.482 -51 22 09.16 V C57
2020-09-18 22:54:12 s 1 -198187.66 3 +269166.45 7280.0 C57
2020-09-18 23:14:12 S 02 42 26.690 -51 22 31.08 V C57
2020-09-18 23:14:12 s 1 -198571.33 1 +268191.78 450.0 C57
2020-09-18 23:54:12 S 02 42 36.996 -51 23 21.84 V C57
2020-09-18 23:54:12 s 1 -199329.42 9 +266229.91 730.0 C57
2020-09-19 00:14:12 S 02 42 43.013 -51 23 45.31 V C57
2020-09-19 00:14:12 s 1 -199703.81 6 +265242.71 7820.0 C57
2020-09-19 00:24:12 S 02 42 45.458 -51 23 59.28 V C57
2020-09-19 00:24:12 s 1 -199889.83 5 +264747.54 590.0 C57
2020-09-19 00:34:12 S 02 42 48.977 -51 24 12.31 V C57
2020-09-19 00:34:12 s 1 -200075.06 7 +264251.32 2860.0 C57
2020-09-19 00:54:12 S 02 42 53.774 -51 24 30.49 V C57
2020-09-19 00:54:12 s 1 -200443.16 0 +263255.74 5830.0 C57
2020-09-19 01:24:12 S 02 43 01.445 -51 25 09.23 V C57
2020-09-19 01:24:12 s 1 -200989.32 8 +261754.50 6400.0 C57
2020-09-19 01:34:12 S 02 43 04.927 -51 25 18.44 V C57
2020-09-19 01:34:12 s 1 -201169.78 1 +261251.99 5550.0 C57
2020-09-19 01:44:12 S 02 43 07.202 -51 25 30.32 V C57
2020-09-19 01:44:12 s 1 -201349.42 7 +260748.42 4160.0 C57
2020-09-19 01:54:12 S 02 43 10.042 -51 25 43.93 V C57
2020-09-19 01:54:12 s 1 -201528.26 5 +260243.81 2260.0 C57
2020-09-19 02:04:12 S 02 43 12.502 -51 25 55.09 V C57
2020-09-19 02:04:12 s 1 -201706.29 0 +259738.13 9820.0 C57
2020-09-19 02:24:12 S 02 43 18.636 -51 26 23.82 V C57
2020-09-19 02:24:12 s 1 -202059.89 4 +258723.63 3350.0 C57
2020-09-19 03:34:12 S 02 43 36.982 -51 27 44.14 V C57
2020-09-19 03:34:12 s 1 -203271.50 6 +255139.57 3820.0 C57
2020-09-19 03:54:12 S 02 43 41.875 -51 28 07.79 V C57
2020-09-19 03:54:12 s 1 -203610.15 5 +254106.01 7640.0 C57
2020-09-19 04:04:12 S 02 43 44.731 -51 28 22.44 V C57
2020-09-19 04:04:12 s 1 -203778.21 0 +253587.65 8730.0 C57
2020-09-19 04:34:12 S 02 43 53.242 -51 29 01.00 V C57
2020-09-19 04:34:12 s 1 -204277.26 3 +252026.16 8680.0 C57
2020-09-19 04:44:12 S 02 43 56.698 -51 29 01.86 V C57
2020-09-19 04:44:12 s 1 -204441.90 0 +251503.54 7550.0 C57
2020-09-19 04:54:12 S 02 43 59.153 -51 29 19.50 V C57
2020-09-19 04:54:12 s 1 -204605.67 4 +250979.85 5870.0 C57
2020-09-19 05:04:12 S 02 44 01.742 -51 29 33.14 V C57
2020-09-19 05:04:12 s 1 -204768.58 3 +250455.10 3630.0 C57
2020-09-19 05:24:12 S 02 44 07.171 -51 29 57.55 V C57
2020-09-19 05:24:12 s 1 -205091.79 1 +249402.38 7450.0 C57
2020-09-19 05:34:12 S 02 44 09.974 -51 30 01.94 V C57
2020-09-19 05:34:12 s 1 -205252.08 5 +248874.43 3520.0 C57
2020-09-19 05:44:12 S 02 44 12.991 -51 30 15.26 V C57
2020-09-19 05:44:12 s 1 -205411.50 1 +248345.40 9020.0 C57
2020-09-19 06:04:12 S 02 44 18.593 -51 30 36.90 V C57
2020-09-19 06:04:12 s 1 -205727.68 5 +247284.13 8310.0 C57
2020-09-19 06:44:12 S 02 44 28.826 -51 31 28.56 V C57