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
2007-06-21 08:56:49 C 20 40 06.43 -23 56 42.3 o 699
2007-06-21 09:28:34 C 20 40 07.74 -23 56 25.5 o 699
2007-06-21 09:41:17 C 20 40 08.35 -23 56 19.9 o 696
2007-06-21 09:50:12 C 20 40 08.70 -23 56 15.4 o 696
2007-06-21 10:00:18 C 20 40 09.10 -23 56 11.1 o 699
2007-06-23 17:07:34 C 20 42 38.59 -23 26 05.1 r E12
2007-06-23 17:24:24 C 20 42 39.24 -23 25 55.6 r E12
2007-06-23 17:41:11 C 20 42 39.92 -23 25 46.0 r E12
2007-06-23 17:58:01 C 20 42 40.60 -23 25 36.6 r E12
2007-07-20 06:30:25 C 21 02 48.70 -14 46 19.6 17.7 c 704
2007-07-20 06:45:53 C 21 02 48.91 -14 46 02.3 17.8 c 704
2007-07-20 07:01:08 C 21 02 49.08 -14 45 46.2 17.7 c 704
2007-07-20 07:16:43 C 21 02 49.29 -14 45 28.3 17.9 c 704
2007-07-20 07:31:52 C 21 02 49.51 -14 45 10.7 17.7 c 704
2007-07-26 21:21:26 C 21 05 32.65 -11 34 11.5 o 151
2007-07-26 21:23:37 C 21 05 32.70 -11 34 08.9 o 151
2007-07-26 21:25:49 C 21 05 32.73 -11 34 06.3 o 151
2007-08-03 21:19:49 C 21 08 12.45 -07 07 28.2 c A48
2007-08-03 21:25:02 C 21 08 12.49 -07 07 20.5 c A48
2007-08-03 21:30:15 C 21 08 12.51 -07 07 12.9 c A48
2007-08-03 21:35:28 C 21 08 12.56 -07 07 05.1 c A48
2007-08-05 04:48:39 C 21 08 35.97 -06 20 03.7 r 808
2007-08-05 05:00:49 C 21 08 36.00 -06 19 45.2 r 808
2007-08-05 05:10:30 C 21 08 36.06 -06 19 30.0 r 808
2007-08-05 21:11:43 C 21 08 48.85 -05 56 08.3 r 084
2007-08-05 21:15:52 C 21 08 48.88 -05 56 02.3 r 084
2007-08-05 22:51:48 C 21 08 49.66 -05 53 37.3 r 084
2007-08-06 06:27:52 C 21 08 56.12 -05 41 58.5 17.4 c 704
2007-08-06 06:44:35 C 21 08 56.20 -05 41 32.8 17.6 c 704
2007-08-06 07:01:16 C 21 08 56.27 -05 41 07.7 17.3 c 704
2007-08-06 07:18:02 C 21 08 56.34 -05 40 42.6 17.6 c 704
2007-08-06 07:34:40 C 21 08 56.42 -05 40 17.1 18.0 c 704
2007-08-06 21:16:27 C 21 09 07.39 -05 19 37.6 r 084
2007-08-06 23:00:34 C 21 09 08.29 -05 16 57.9 r 084
2007-08-08 08:21:51 C 21 09 33.58 -04 25 38.2 r H45
2007-08-08 08:23:15 C 21 09 33.59 -04 25 36.1 r H45
2007-08-08 08:25:33 C 21 09 33.61 -04 25 32.5 r H45
2007-08-08 08:27:15 C 21 09 33.62 -04 25 29.8 r H45
2007-08-08 08:29:55 C 21 09 33.64 -04 25 25.7 r H45
2007-08-08 21:40:53 C 21 09 45.16 -04 05 11.0 r 084
2007-08-08 23:01:15 C 21 09 47.14 -04 02 54.1 r J51
2007-08-08 23:49:36 C 21 09 47.47 -04 01 39.2 r J51
2007-08-09 22:18:13 C 21 10 04.74 -03 26 53.0 r 084
2007-08-10 21:05:49 C 21 10 23.85 -02 51 11.8 r 084
2007-08-10 22:17:07 C 21 10 24.50 -02 49 19.8 r 084
2007-08-10 22:21:20 C 21 10 24.56 -02 49 13.3 r 084
2007-08-11 22:10:24 C 21 10 45.36 -02 11 41.1 c 127
2007-08-11 22:15:48 C 21 10 45.41 -02 11 33.1 c 127
2007-08-11 22:23:00 C 21 10 45.47 -02 11 21.4 c 127
2007-08-11 22:28:35 C 21 10 45.51 -02 11 12.6 c 127