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
1993-11-07 07:11:00 C 00 29 15.53 +27 09 08.6 z 658
1993-11-07 07:15:28 C 00 29 15.79 +27 09 06.6 z 658
2000-06-24 13:20:59 C 21 02 46.93 -21 12 45.0 c 608
2000-06-24 13:37:07 C 21 02 47.76 -21 12 34.7 c 608
2000-06-24 13:52:26 C 21 02 48.50 -21 12 24.6 c 608
2000-07-07 08:01:40 C 21 18 21.12 -17 06 42.5 18.3 c 704
2000-07-07 08:19:27 C 21 18 21.77 -17 06 26.7 18.7 c 704
2000-07-07 08:37:20 C 21 18 22.59 -17 06 07.8 18.7 c 704
2000-07-07 08:55:11 C 21 18 23.28 -17 05 51.7 18.5 c 704
2000-07-08 08:48:36 C 21 19 28.38 -16 43 07.3 18.6 c 704
2000-07-08 09:06:00 C 21 19 29.07 -16 42 49.4 18.8 c 704
2000-07-08 09:23:23 C 21 19 29.77 -16 42 32.8 18.3 c 704
2000-07-09 23:31:01 C 21 21 11.98 -16 05 02.2 z 104
2000-07-10 00:00:32 C 21 21 13.11 -16 04 34.0 z 104
2000-07-10 00:05:06 C 21 21 13.33 -16 04 28.4 z 104
2000-07-10 00:12:11 C 21 21 13.56 -16 04 22.9 z 104
2000-07-12 07:28:38 C 21 23 36.13 -15 07 10.6 17.9 c 704
2000-07-12 07:46:48 C 21 23 36.74 -15 06 50.5 17.6 c 704
2000-07-12 08:05:36 C 21 23 37.42 -15 06 31.6 17.6 c 704
2000-07-23 07:52:33 C 21 33 38.68 -09 47 20.2 18.1 c 704
2000-07-23 08:11:54 C 21 33 39.20 -09 46 55.4 18.4 c 704
2000-07-23 08:31:15 C 21 33 39.84 -09 46 28.7 18.6 c 704
2000-07-23 08:50:40 C 21 33 40.27 -09 46 02.4 18.4 c 704
2000-07-26 16:07:30 C 21 36 16.59 -07 54 47.1 360
2000-07-26 16:11:29 C 21 36 16.68 -07 54 41.4 360
2000-07-26 16:15:29 C 21 36 16.77 -07 54 35.4 360
2000-07-30 07:08:33 C 21 38 56.39 -05 45 01.1 18.2 c 704
2000-07-30 07:27:46 C 21 38 56.93 -05 44 33.2 18.3 c 704
2000-07-30 07:46:55 C 21 38 57.31 -05 44 03.9 18.2 c 704
2000-07-30 08:05:55 C 21 38 57.69 -05 43 34.6 18.2 c 704
2000-07-30 08:24:55 C 21 38 58.15 -05 43 05.2 18.8 c 704
2000-07-30 22:16:53 C 21 39 23.38 -05 21 45.8 108
2000-07-30 23:10:41 C 21 39 24.68 -05 20 23.2 587
2000-07-30 23:17:44 C 21 39 24.81 -05 20 12.4 587
2000-07-31 21:08:49 C 21 40 03.42 -04 46 08.5 587
2000-07-31 21:32:49 C 21 40 04.00 -04 45 30.3 587
2000-08-02 07:10:30 C 21 41 00.70 -03 52 09.9 17.5 c 704
2000-08-02 07:31:05 C 21 41 01.14 -03 51 36.7 17.6 c 704
2000-08-02 07:35:36 C 21 41 01.13 -03 51 28.4 z 711
2000-08-02 07:42:10 C 21 41 01.27 -03 51 17.7 z 711
2000-08-02 07:48:38 C 21 41 01.39 -03 51 07.6 z 711
2000-08-02 07:51:58 C 21 41 01.53 -03 51 03.5 17.8 c 704
2000-08-02 08:12:32 C 21 41 01.95 -03 50 30.9 17.8 c 704
2000-08-02 08:33:07 C 21 41 02.45 -03 49 58.4 17.9 c 704
2000-08-03 07:10:43 C 21 41 40.92 -03 13 33.8 17.7 c 704
2000-08-03 07:31:09 C 21 41 41.28 -03 13 01.0 17.9 c 704
2000-08-03 07:51:38 C 21 41 41.69 -03 12 27.5 17.7 c 704
2000-08-03 08:12:09 C 21 41 42.09 -03 11 53.9 17.5 c 704
2000-08-03 08:34:23 C 21 41 42.57 -03 11 18.1 17.6 c 704
2000-08-19 00:08:09 C 21 51 50.47 +07 25 30.0 d 557