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
2007-03-14 10:25:48 C 14 12 27.18 -17 15 43.5 r 703
2007-03-18 09:16:34 C 15 04 22.50 -10 05 51.0 16.5 c 704
2007-03-18 09:33:08 C 15 04 31.92 -10 04 22.5 16.6 c 704
2007-03-18 09:48:26 C 15 04 40.68 -10 03 00.9 16.5 c 704
2007-03-18 10:20:07 C 15 04 58.66 -10 00 11.3 16.5 c 704
2007-03-19 09:53:51 C 15 19 04.50 -07 50 02.1 16.5 c 704
2007-03-19 09:54:53 C 15 19 05.10 -07 49 56.2 16.3 c 704
2007-03-19 10:09:17 C 15 19 13.54 -07 48 34.4 16.6 c 704
2007-03-19 10:10:39 C 15 19 14.34 -07 48 26.7 16.6 c 704
2007-03-19 10:24:46 C 15 19 22.60 -07 47 06.4 16.5 c 704
2007-03-19 10:26:34 C 15 19 23.66 -07 46 56.0 16.8 c 704
2007-03-19 10:40:15 C 15 19 31.68 -07 45 38.3 16.4 c 704
2007-03-19 10:42:32 C 15 19 33.01 -07 45 25.1 16.6 c 704
2007-03-19 10:55:45 C 15 19 40.75 -07 44 09.8 16.5 c 704
2007-03-19 10:58:16 C 15 19 42.20 -07 43 55.5 16.7 c 704
2007-03-20 15:41:44 C 15 37 21.29 -04 55 24.3 r 379
2007-03-20 15:50:10 C 15 37 26.36 -04 54 33.9 r 379
2007-03-20 15:52:17 C 15 37 27.66 -04 54 21.2 r 379
2007-03-20 16:04:31 C 15 37 35.03 -04 53 08.1 r 379
2007-03-20 16:10:51 C 15 37 38.83 -04 52 30.1 r 379
2007-03-20 16:12:57 C 15 37 40.10 -04 52 17.4 r 379
2007-03-21 15:54:56 C 15 52 24.04 -02 27 36.1 r 379
2007-03-21 16:15:29 C 15 52 36.57 -02 25 29.5 r 379
2007-03-21 16:23:56 C 15 52 41.69 -02 24 37.3 r 379
2007-03-26 09:10:09 C 17 01 37.07 +08 59 37.6 16.8 c 704
2007-03-26 09:24:43 C 17 01 45.36 +09 00 59.7 16.9 c 704
2007-03-26 09:44:19 C 17 01 56.41 +09 02 49.9 16.9 c 704
2007-03-26 09:59:03 C 17 02 04.74 +09 04 13.1 16.9 c 704
2007-03-26 10:13:35 C 17 02 12.91 +09 05 34.7 16.8 c 704
2007-03-28 23:53:28 C 17 36 24.84 +14 23 16.7 c B30
2007-03-28 23:58:03 C 17 36 27.35 +14 23 37.6 c B30
2007-03-29 00:02:37 C 17 36 29.71 +14 23 59.3 c B30
2007-03-29 00:11:43 C 17 36 34.51 +14 24 42.8 c B30
2007-03-29 00:16:13 C 17 36 36.77 +14 25 03.6 c B30
2007-03-29 00:20:46 C 17 36 38.99 +14 25 24.0 c B30
2007-07-02 07:46:26 C 21 58 00.39 +31 33 17.8 20.2 o H55
2007-07-02 07:52:51 C 21 58 00.21 +31 33 15.3 20.0 o H55
2007-07-02 07:59:17 C 21 58 00.10 +31 33 12.3 20.1 o H55
2007-07-02 08:05:43 C 21 57 59.93 +31 33 08.7 20.0 o H55
2007-07-12 05:09:16 C 21 51 30.44 +29 04 34.2 o 950
2007-07-12 05:10:03 C 21 51 30.40 +29 04 33.7 o 950
2012-03-04 11:56:43 C 15 40 48.75 -22 25 22.2 r 703
2012-03-04 12:03:20 C 15 40 51.20 -22 25 10.3 r 703
2012-03-04 12:09:58 C 15 40 53.79 -22 24 58.5 r 703
2012-03-04 12:16:43 C 15 40 56.24 -22 24 47.4 r 703
2017-02-23 17:26:09 S 16 04 42.281 -21 52 03.61 L C51
2017-02-23 23:43:20 S 16 06 36.370 -21 45 35.24 L C51
2017-02-24 02:52:01 S 16 07 33.804 -21 42 16.02 L C51
2017-02-24 09:09:01 S 16 09 28.126 -21 35 37.07 L C51
2017-02-24 13:51:58 S 16 10 53.90 -21 30 34.5 L C51