267940 (2004 EM20)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5240095084 ± 7.55e-03
Semi-major axis (a)1.1053730634 AU ± 1.88e-03
Inclination (i)14.13713680° ± 6.01e-01
Long. of Asc. Node (Ω)343.74140747° ± 1.49e+00
Arg. of Perihelion (ω)314.92176498° ± 2.03e+00
Mean Anomaly (M)162.51381471° ± 1.67e+00
Mean Motion (n)0.8481037049°/day ± 2.17e-03
Perihelion dist (q)0.52614707 AU ± 8.39e-03
Aphelion dist (Q)1.68459906 AU ± 8.82e-03
Orbital Period1.16215302 yr ± 2.97e-03
NGA Modelr2
A2-2.74664471e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-29
RMS Residual0.339″
Uncertainty0
Orbit TypeApollo
MOID0.090441 AU
Observations Used286
Oppositions3
Arc Total2004-2025
First Observation Used2004-02-19
Last Observation Used2025-03-01
Observations (294)
Date Type RA Dec Mag Band Observatory
2018-03-07 06:20:55 C 13 10 12.84 -20 48 53.1 U W85
2018-03-07 06:23:32 C 13 10 12.78 -20 49 02.9 U W85
2018-03-07 06:26:08 C 13 10 12.69 -20 49 13.2 U W85
2018-03-07 06:28:44 C 13 10 12.62 -20 49 23.0 U W85
2018-03-07 06:31:20 C 13 10 12.55 -20 49 32.9 U W85
2018-03-07 06:33:56 C 13 10 12.47 -20 49 42.8 U W85
2018-03-07 06:36:32 C 13 10 12.39 -20 49 53.0 U W85
2018-03-07 06:39:08 C 13 10 12.31 -20 50 02.7 U W85
2018-03-07 06:41:45 C 13 10 12.23 -20 50 13.3 U W85
2018-03-07 06:44:22 C 13 10 12.15 -20 50 23.2 U W85
2018-03-07 08:17:05 C 13 10 09.39 -20 56 19.9 U W87
2018-03-07 08:20:59 C 13 10 09.28 -20 56 35.0 U W87
2018-03-07 08:28:50 C 13 10 09.04 -20 57 05.1 U W87
2018-03-07 08:32:47 C 13 10 08.93 -20 57 20.3 U W87
2018-03-07 08:36:42 C 13 10 08.81 -20 57 35.5 U W87
2018-03-08 07:35:57 C 13 09 40.13 -22 30 43.9 U W85
2018-03-08 07:39:51 C 13 09 39.99 -22 31 00.4 U W85
2018-03-08 07:42:27 C 13 09 39.90 -22 31 11.2 U W85
2018-03-08 07:46:21 C 13 09 39.75 -22 31 28.0 U W85
2018-03-08 07:48:57 C 13 09 39.65 -22 31 38.7 U W85
2018-03-08 07:51:32 C 13 09 39.57 -22 31 49.6 U W85
2018-03-08 07:54:08 C 13 09 39.47 -22 32 00.4 U W85
2018-03-08 07:56:44 C 13 09 39.38 -22 32 11.4 U W85
2018-03-08 07:59:20 C 13 09 39.29 -22 32 22.7 U W85
2018-03-10 07:15:50 C 13 08 13.35 -26 13 26.5 U W87
2018-03-10 07:18:17 C 13 08 13.23 -26 13 38.8 U W87
2018-03-10 07:20:44 C 13 08 13.10 -26 13 51.5 U W87
2018-03-10 07:23:10 C 13 08 12.98 -26 14 03.7 U W87
2018-03-10 07:25:37 C 13 08 12.85 -26 14 16.4 U W87
2018-03-10 07:28:03 C 13 08 12.72 -26 14 29.3 U W87
2018-03-10 07:30:30 C 13 08 12.59 -26 14 41.8 U W87
2018-03-10 07:32:56 C 13 08 12.47 -26 14 54.4 U W87
2018-03-10 07:35:23 C 13 08 12.34 -26 15 06.8 U W87
2018-03-10 07:37:50 C 13 08 12.22 -26 15 19.4 U W87
2018-03-10 07:40:15 C 13 08 12.10 -26 15 31.5 U W87
2018-03-10 17:07:36 C 13 07 49.59 -27 05 15.8 U Q63
2018-03-10 17:11:03 C 13 07 49.43 -27 05 34.2 U Q63
2018-03-10 17:14:29 C 13 07 49.23 -27 05 52.6 U Q63
2018-03-10 17:17:54 C 13 07 49.04 -27 06 10.7 U Q63
2018-03-10 17:21:20 C 13 07 48.85 -27 06 29.2 U Q63
2018-03-10 17:24:45 C 13 07 48.67 -27 06 47.7 U Q63
2018-03-10 17:28:11 C 13 07 48.48 -27 07 06.0 U Q63
2018-03-10 17:31:39 C 13 07 48.30 -27 07 24.4 U Q63
2018-03-10 17:33:57 C 13 07 48.16 -27 07 36.7 U Q63
2018-03-11 05:06:49 C 13 07 20.67 -28 11 18.4 U W87
2018-03-11 05:10:13 C 13 07 20.48 -28 11 37.7 U W87
2018-03-11 05:13:38 C 13 07 20.28 -28 11 57.1 U W87
2018-03-11 05:17:03 C 13 07 20.06 -28 12 16.4 U W87
2018-03-11 05:20:27 C 13 07 19.87 -28 12 36.0 U W87
2018-03-11 05:23:53 C 13 07 19.66 -28 12 55.6 U W87