163191 (2002 EQ9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4652830384 ± 1.74e-08
Semi-major axis (a)1.8345635816 AU ± 1.06e-09
Inclination (i)16.28894314° ± 7.56e-06
Long. of Asc. Node (Ω)179.09235209° ± 2.98e-06
Arg. of Perihelion (ω)44.37462731° ± 8.44e-06
Mean Anomaly (M)169.55857659° ± 3.98e-06
Mean Motion (n)0.3966551745°/day ± 3.44e-10
Perihelion dist (q)0.98097226 AU ± 3.19e-08
Aphelion dist (Q)2.68815490 AU ± 3.19e-08
Orbital Period2.48484413 yr ± 2.15e-09
Physical Parameters
H (abs. magnitude)19.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.433″
Uncertainty0
Orbit TypeApollo
MOID0.062098 AU
Observations Used403
Oppositions13
Arc Total2002-2023
First Observation Used2002-01-12
Last Observation Used2023-12-08
Observations (443)
Date Type RA Dec Mag Band Observatory
2006-12-21 10:19:14 C 10 01 59.38 -12 49 07.6 d 291
2006-12-21 10:24:51 C 10 01 59.75 -12 49 11.6 d 291
2006-12-21 10:30:22 C 10 02 00.09 -12 49 15.1 d 291
2007-01-28 10:16:41 C 10 55 51.43 -23 05 36.8 r 448
2007-01-28 10:51:19 C 10 55 53.67 -23 05 57.6 r 448
2007-01-28 11:25:56 C 10 55 55.76 -23 06 17.8 r 448
2007-02-20 17:20:03 C 11 47 24.72 -26 59 46.8 r E12
2007-02-20 17:35:52 C 11 47 26.77 -26 59 48.2 r E12
2007-02-20 17:51:36 C 11 47 28.82 -26 59 49.1 r E12
2007-02-20 18:07:23 C 11 47 30.91 -26 59 50.6 r E12
2007-02-24 06:49:29 C 12 00 23.51 -27 00 55.8 r 808
2007-02-24 06:59:40 C 12 00 24.88 -27 00 54.7 r 808
2007-02-24 07:09:29 C 12 00 26.66 -27 00 53.5 r 808
2007-02-27 05:56:30 C 12 13 15.70 -26 47 09.7 r 808
2007-02-27 06:06:29 C 12 13 17.64 -26 47 08.4 r 808
2007-02-27 06:15:29 C 12 13 19.40 -26 47 04.3 r 808
2007-03-04 09:02:39 C 12 41 39.08 -25 36 35.3 o 644
2007-03-04 09:33:20 C 12 41 46.94 -25 36 07.5 o 644
2007-03-04 10:04:08 C 12 41 54.88 -25 35 39.2 o 644
2007-03-05 04:34:29 C 12 47 03.99 -25 16 49.3 r 808
2007-03-05 04:44:30 C 12 47 06.70 -25 16 39.5 r 808
2007-03-05 04:54:50 C 12 47 09.50 -25 16 28.9 r 808
2007-03-11 17:32:10 C 13 42 18.00 -20 40 33.5 r E12
2007-03-11 18:05:19 C 13 42 31.68 -20 39 03.7 r E12
2007-03-11 18:29:44 C 13 42 41.79 -20 37 57.5 r E12
2007-03-11 18:45:25 C 13 42 48.34 -20 37 14.2 r E12
2007-03-13 01:57:44 C 13 56 48.32 -19 07 15.6 c A24
2007-03-13 02:15:00 C 13 56 56.11 -19 06 20.5 c A24
2007-03-13 02:33:06 C 13 57 04.28 -19 05 22.8 c A24
2007-03-13 02:53:36 C 13 57 13.43 -19 04 18.0 c A24
2007-03-13 02:55:03 C 13 57 14.17 -19 04 12.7 c A24
2007-03-13 03:06:47 C 13 57 19.44 -19 03 35.4 c A24
2007-03-13 03:19:58 C 13 57 25.43 -19 02 52.7 c A24
2007-03-13 03:33:08 C 13 57 31.42 -19 02 10.6 c A24
2007-03-13 03:44:51 C 13 57 36.65 -19 01 33.0 c A24
2007-03-13 04:11:08 C 13 57 48.50 -19 00 07.3 c A24
2007-03-14 01:58:14 C 14 08 16.26 -17 46 36.7 c A24
2007-03-14 02:15:38 C 14 08 24.57 -17 45 34.2 c A24
2007-03-14 02:33:17 C 14 08 32.99 -17 44 30.8 c A24
2007-03-14 02:57:38 C 14 08 44.57 -17 43 03.8 c A24
2007-03-14 03:09:20 C 14 08 50.13 -17 42 21.5 c A24
2007-03-14 03:22:27 C 14 08 56.43 -17 41 34.2 c A24
2007-03-14 03:34:10 C 14 09 01.94 -17 40 51.9 c A24
2007-03-14 03:35:35 C 14 09 02.77 -17 40 45.5 c A24
2007-03-14 03:47:10 C 14 09 08.21 -17 40 04.8 c A24
2007-03-14 04:00:10 C 14 09 14.51 -17 39 17.2 c A24
2007-03-14 04:11:45 C 14 09 19.99 -17 38 35.7 c A24
2007-03-14 09:55:25 C 14 12 12.49 -17 17 35.8 r 703
2007-03-14 10:05:34 C 14 12 17.38 -17 16 58.0 r 703
2007-03-14 10:15:40 C 14 12 22.28 -17 16 20.8 r 703