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
2002-04-03 19:06:41 C 11 35 16.61 +61 56 04.8 151
2002-04-03 19:08:55 C 11 35 18.24 +61 56 26.9 151
2002-04-03 19:17:57 C 11 35 24.51 +61 57 59.7 151
2002-04-03 19:23:14 C 11 35 27.96 +61 58 53.1 151
2002-04-03 19:23:46 C 11 35 28.52 +61 58 58.0 151
2002-04-03 20:14:19 C 11 36 02.11 +62 07 23.5 c 639
2002-04-03 20:21:15 C 11 36 06.84 +62 08 32.6 c 639
2002-04-03 20:31:12 C 11 36 13.69 +62 10 11.7 c 639
2002-04-03 20:40:03 C 11 36 20.11 +62 11 40.2 c 639
2002-04-03 20:50:20 C 11 36 26.90 +62 13 22.3 c 639
2002-04-03 20:59:09 C 11 36 33.13 +62 14 51.1 c 639
2002-04-03 21:22:45 C 11 36 50.38 +62 18 47.6 c 198
2002-04-03 21:24:54 C 11 36 51.88 +62 19 09.5 c 198
2002-04-03 21:30:09 C 11 36 55.48 +62 20 01.1 c 198
2002-04-03 21:32:18 C 11 36 57.01 +62 20 22.1 c 198
2002-04-03 21:33:25 C 11 36 57.77 +62 20 33.0 c 198
2002-04-04 18:58:09 C 11 54 31.58 +65 42 19.4 d 151
2002-04-04 19:04:33 C 11 54 36.88 +65 43 16.0 d 151
2002-04-04 19:07:18 C 11 54 39.28 +65 43 41.4 d 151
2002-04-04 19:13:15 C 11 54 44.48 +65 44 36.4 d 151
2002-04-04 19:16:52 C 11 54 47.55 +65 45 09.4 d 151
2002-04-04 19:23:44 C 11 54 53.53 +65 46 12.7 d 151
2002-04-06 09:56:23 C 12 36 21.62 +70 58 00.5 c 649
2002-04-06 09:57:21 C 12 36 22.88 +70 58 07.3 c 649
2002-04-06 09:59:18 C 12 36 25.35 +70 58 20.7 c 649
2002-04-06 21:44:52 C 12 52 46.79 +72 18 19.5 c 215
2002-04-06 21:45:38 C 12 52 47.88 +72 18 24.5 c 215
2002-04-06 21:46:09 C 12 52 48.61 +72 18 27.7 c 215
2002-04-15 11:07:51 C 18 33 28.05 +73 48 23.9 711
2002-04-15 11:12:44 C 18 33 31.96 +73 48 09.6 711
2002-04-25 08:25:23 C 20 08 14.37 +63 36 26.4 649
2002-04-25 08:29:51 C 20 08 15.17 +63 36 17.5 649
2002-04-25 08:34:20 C 20 08 15.87 +63 36 08.7 649
2002-05-07 10:19:13 C 20 41 53.36 +56 04 24.4 c 696
2002-05-07 10:20:51 C 20 41 53.43 +56 04 23.2 c 696
2002-05-26 07:51:09 C 21 05 45.60 +49 26 46.6 c 649
2002-05-26 08:14:59 C 21 05 46.23 +49 26 31.4 c 649
2002-06-08 09:19:48 C 21 12 51.61 +46 07 44.2 c 696
2002-06-08 09:25:48 C 21 12 51.61 +46 07 40.6 c 696
2002-07-09 21:30:29 C 20 59 59.22 +35 33 11.8 540
2002-07-09 21:41:28 C 20 59 58.78 +35 32 58.2 540
2002-08-05 22:04:52 C 20 34 19.39 +18 59 30.8 c 113
2002-08-05 22:07:39 C 20 34 19.29 +18 59 25.6 c 113
2002-08-05 22:10:34 C 20 34 19.22 +18 59 20.4 c 113
2002-08-15 05:51:52 C 20 28 59.67 +12 38 59.8 c 671
2002-08-15 06:02:25 C 20 28 59.42 +12 38 42.3 c 671
2003-10-25 13:22:32 C 04 51 00.602 +02 00 17.38 o 568
2003-10-25 13:30:55 C 04 51 00.370 +02 00 14.03 o 568
2003-10-29 12:43:43 C 04 48 20.875 +01 21 48.26 o 568
2003-10-29 12:54:34 C 04 48 20.519 +01 21 43.82 o 568