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
2002-01-12 11:21:18 C 09 54 37.84 -17 58 23.6 – o 644
2002-03-15 06:31:29 C 10 01 00.16 -06 19 19.2 15.5 c 644
2002-03-15 06:46:24 C 10 01 00.43 -06 18 18.3 15.6 c 644
2002-03-15 07:02:55 C 10 01 00.70 -06 17 11.2 15.5 c 644
2002-03-15 19:15:34 C 10 01 28.77 -05 26 18.9 – m 620
2002-03-15 19:17:05 C 10 01 28.82 -05 26 12.8 – d 946
2002-03-15 19:22:04 C 10 01 28.85 -05 25 51.4 – m 620
2002-03-15 19:24:14 C 10 01 29.03 -05 25 43.2 – d 946
2002-03-15 19:25:38 C 10 01 29.10 -05 25 37.4 – d 946
2002-03-15 19:29:11 C 10 01 28.95 -05 25 21.5 – m 620
2002-03-15 20:31:56 C 10 01 29.66 -05 21 00.5 – c 118
2002-03-15 20:36:37 C 10 01 29.78 -05 20 40.4 – c 118
2002-03-15 20:44:21 C 10 01 29.94 -05 20 07.0 – c 118
2002-03-15 20:48:16 C 10 01 30.01 -05 19 50.4 – c 118
2002-03-15 21:03:16 C 10 01 31.24 -05 18 40.6 – c 213
2002-03-15 21:08:13 C 10 01 31.62 -05 18 17.6 – c 962
2002-03-15 21:12:40 C 10 01 31.66 -05 17 58.8 – c 962
2002-03-15 21:14:16 C 10 01 31.70 -05 17 52.2 – c 962
2002-03-15 21:19:01 C 10 01 31.71 -05 17 32.2 – c 213
2002-03-15 21:20:13 C 10 01 31.80 -05 17 26.2 – c 962
2002-03-15 21:21:31 C 10 01 31.78 -05 17 20.5 – c 962
2002-03-15 21:27:25 C 10 01 31.70 -05 16 58.0 – c 213
2002-03-15 21:30:29 C 10 01 31.86 -05 16 44.3 – c 213
2002-03-15 21:32:45 C 10 01 31.86 -05 16 34.7 – c 213
2002-03-15 22:09:18 C 10 01 31.83 -05 14 10.3 – c 174
2002-03-15 22:17:36 C 10 01 32.10 -05 13 34.0 – c 174
2002-03-15 22:27:08 C 10 01 32.35 -05 12 52.6 – c 174
2002-03-16 00:47:40 C 10 01 36.34 -05 02 27.7 – – 941
2002-03-16 00:49:16 C 10 01 36.36 -05 02 20.8 – – 941
2002-03-16 00:51:27 C 10 01 36.48 -05 02 11.2 – – 941
2002-03-16 01:03:46 C 10 01 36.82 -05 01 17.4 – – 941
2002-03-16 01:07:33 C 10 01 36.88 -05 01 00.8 – – 941
2002-03-16 06:26:21 C 10 01 50.39 -04 37 29.5 – c 926
2002-03-16 06:28:14 C 10 01 50.42 -04 37 20.8 – c 926
2002-03-16 06:30:04 C 10 01 50.47 -04 37 13.1 – c 926
2002-03-16 06:31:57 C 10 01 50.48 -04 37 04.5 – c 926
2002-03-16 11:43:01 C 10 02 03.80 -04 12 38.0 – m 428
2002-03-16 11:45:41 C 10 02 03.85 -04 12 25.6 – m 428
2002-03-16 11:47:00 C 10 02 03.89 -04 12 19.8 – m 428
2002-03-16 11:55:49 C 10 02 05.31 -04 12 50.2 – – 367
2002-03-16 11:58:18 C 10 02 05.37 -04 12 39.5 – – 367
2002-03-16 12:00:49 C 10 02 05.46 -04 12 27.6 – – 367
2002-03-16 12:03:18 C 10 02 05.52 -04 12 16.3 – – 367
2002-03-16 12:05:49 C 10 02 05.54 -04 12 05.2 – – 367
2002-03-16 12:18:12 C 10 02 05.62 -04 11 08.2 – – 379
2002-03-16 12:32:43 C 10 02 05.98 -04 10 01.4 – – 379
2002-03-16 12:40:05 C 10 02 06.10 -04 09 30.0 – – 379
2002-03-16 20:32:28 C 10 02 25.70 -03 33 09.8 – c 157
2002-03-16 20:34:29 C 10 02 25.73 -03 32 59.9 – c 157
2002-03-16 20:36:30 C 10 02 25.81 -03 32 50.2 – c 157