16636 (1993 QP)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4678525111 ± 1.97e-08
Semi-major axis (a)2.3110443555 AU ± 7.74e-10
Inclination (i)7.20738117° ± 2.27e-06
Long. of Asc. Node (Ω)296.76687998° ± 1.42e-05
Arg. of Perihelion (ω)47.42087689° ± 2.23e-05
Mean Anomaly (M)66.87910051° ± 5.06e-06
Mean Motion (n)0.2805432700°/day ± 1.41e-10
Perihelion dist (q)1.22981645 AU ± 4.56e-08
Aphelion dist (Q)3.39227226 AU ± 4.56e-08
Orbital Period3.51327723 yr ± 1.76e-09
Physical Parameters
H (abs. magnitude)18.78
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.387″
Uncertainty0
Orbit TypeAmor
MOID0.239124 AU
Observations Used943
Oppositions23
Arc Total1993-2025
First Observation Used1993-08-23
Last Observation Used2025-12-27
Observations (997)
Date Type RA Dec Mag Band Observatory
2007-09-17 22:20:48 C 21 44 13.37 +17 07 22.4 d B37
2007-09-17 22:24:54 C 21 44 13.68 +17 07 26.4 d B37
2007-09-17 22:26:57 C 21 44 13.70 +17 07 27.7 d B37
2007-09-17 22:33:05 C 21 44 14.10 +17 07 31.2 d B37
2007-09-17 22:35:07 C 21 44 14.20 +17 07 33.5 d B37
2007-09-17 22:37:11 C 21 44 14.36 +17 07 34.8 d B37
2007-09-17 22:39:40 C 21 44 14.49 +17 07 37.2 d B37
2007-09-17 22:41:43 C 21 44 14.64 +17 07 38.0 d B37
2007-09-17 22:43:45 C 21 44 14.78 +17 07 39.8 d B37
2007-09-17 22:47:52 C 21 44 15.08 +17 07 42.5 d B37
2007-09-17 22:54:01 C 21 44 15.38 +17 07 47.1 d B37
2007-09-17 23:00:23 C 21 44 15.78 +17 07 52.3 d B37
2007-09-17 23:02:28 C 21 44 15.90 +17 07 53.7 d B37
2007-09-17 23:04:30 C 21 44 15.95 +17 07 55.8 d B37
2007-09-17 23:10:39 C 21 44 16.41 +17 08 00.0 d B37
2007-09-18 22:45:35 C 21 45 54.31 +17 25 25.1 r 130
2007-09-18 22:47:46 C 21 45 54.44 +17 25 26.5 r 130
2007-09-18 22:49:12 C 21 45 54.55 +17 25 27.7 r 130
2007-09-18 22:51:23 C 21 45 54.67 +17 25 29.2 r 130
2007-09-19 05:26:09 C 21 46 22.92 +17 30 20.2 17.8 c 704
2007-09-19 05:43:09 C 21 46 24.00 +17 30 32.2 18.0 c 704
2007-09-19 06:00:14 C 21 46 25.05 +17 30 44.3 18.1 c 704
2007-09-19 06:17:24 C 21 46 26.13 +17 30 56.4 18.0 c 704
2007-09-19 06:34:48 C 21 46 27.19 +17 31 08.5 17.9 c 704
2007-09-19 23:48:32 C 21 47 40.51 +17 43 07.2 d B37
2007-09-19 23:50:35 C 21 47 40.70 +17 43 08.1 d B37
2007-09-20 00:12:54 C 21 47 42.07 +17 43 23.2 d B37
2007-09-20 06:58:03 C 21 48 11.08 +17 48 03.2 r H45
2007-09-20 06:59:39 C 21 48 11.21 +17 48 04.4 r H45
2007-09-20 07:01:34 C 21 48 11.33 +17 48 04.9 r H45
2007-09-20 07:02:59 C 21 48 11.42 +17 48 05.8 r H45
2007-09-20 07:04:43 C 21 48 11.53 +17 48 07.0 r H45
2007-09-20 21:36:05 C 21 49 16.86 +17 57 54.4 c J47
2007-09-20 21:57:05 C 21 49 18.21 +17 58 08.3 c J47
2007-09-20 21:58:46 C 21 49 18.32 +17 58 09.6 c J47
2007-09-20 22:24:43 C 21 49 20.00 +17 58 27.0 c J47
2007-09-21 19:45:52 C 21 50 55.15 +18 11 57.4 c 196
2007-09-24 22:57:57 C 21 56 40.95 +18 55 09.2 r 084
2007-09-24 23:02:11 C 21 56 41.30 +18 55 11.7 r 084
2007-09-25 19:04:08 C 21 58 18.26 +19 05 29.6 r 084
2007-09-25 19:08:22 C 21 58 18.51 +19 05 32.1 r 084
2007-09-27 22:59:57 C 22 02 31.86 +19 29 52.6 d B37
2007-09-27 23:27:23 C 22 02 34.09 +19 30 04.7 d B37
2007-09-28 00:04:31 C 22 02 37.05 +19 30 20.1 d B37
2007-09-28 00:11:34 C 22 02 37.57 +19 30 23.1 d B37
2007-09-28 00:21:58 C 22 02 38.50 +19 30 26.7 d B37
2007-09-28 20:51:34 C 22 04 22.70 +19 39 06.8 r 170
2007-09-28 20:53:25 C 22 04 22.81 +19 39 07.2 r 170
2007-09-28 21:43:24 C 22 04 26.65 +19 39 27.8 r 170
2007-09-29 19:03:21 C 22 06 15.35 +19 47 43.5 r 084