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
2007-08-11 22:34:14 C 21 10 45.56 -02 11 03.6 c 127
2007-08-11 22:50:58 C 21 10 45.20 -02 10 40.8 r 084
2007-08-11 22:55:12 C 21 10 45.24 -02 10 34.1 r 084
2007-08-12 06:26:09 C 21 10 52.44 -01 58 31.9 18.1 c 704
2007-08-12 06:43:20 C 21 10 52.49 -01 58 04.5 17.2 c 704
2007-08-12 07:00:31 C 21 10 52.63 -01 57 37.1 17.6 c 704
2007-08-12 07:17:55 C 21 10 52.72 -01 57 10.2 17.3 c 704
2007-08-12 07:35:30 C 21 10 52.81 -01 56 42.3 17.3 c 704
2007-08-12 22:40:04 C 21 11 06.20 -01 33 02.6 r 084
2007-08-12 22:44:17 C 21 11 06.26 -01 32 56.5 r 084
2007-08-13 06:52:03 C 21 11 14.08 -01 19 53.5 o 699
2007-08-13 07:23:49 C 21 11 14.25 -01 19 03.6 o 699
2007-08-13 07:55:29 C 21 11 14.49 -01 18 12.7 o 699
2007-08-13 08:27:12 C 21 11 14.71 -01 17 23.4 o 699
2007-08-13 21:26:31 C 21 11 27.38 -00 56 58.3 r 084
2007-08-13 21:30:45 C 21 11 27.43 -00 56 51.5 r 084
2007-08-13 22:48:16 C 21 11 28.91 -00 54 41.7 442
2007-08-13 22:50:16 C 21 11 28.94 -00 54 37.9 442
2007-08-13 22:51:15 C 21 11 28.97 -00 54 36.5 442
2007-08-13 22:52:56 C 21 11 28.30 -00 54 41.2 r 084
2007-08-15 00:46:12 C 21 11 52.92 -00 13 28.3 r B19
2007-08-15 00:53:33 C 21 11 52.94 -00 13 16.9 r B19
2007-08-15 14:58:44 C 21 12 07.562 +00 09 06.83 o 900
2007-08-15 15:05:06 C 21 12 07.532 +00 09 18.28 o 900
2007-08-15 23:55:39 C 21 12 16.10 +00 23 09.3 r 084
2007-08-15 23:59:53 C 21 12 16.17 +00 23 16.6 r 084
2007-08-16 21:50:54 C 21 12 39.80 +00 57 55.6 r 084
2007-08-16 21:55:07 C 21 12 39.86 +00 58 03.4 r 084
2007-08-18 00:07:29 C 21 13 08.32 +01 39 32.8 r 084
2007-08-18 21:58:45 C 21 13 34.50 +02 14 02.3 r 084
2007-08-18 23:29:46 C 21 13 35.87 +02 16 25.7 r 084
2007-08-18 23:34:00 C 21 13 35.94 +02 16 32.5 r 084
2007-08-19 21:05:17 C 21 14 03.24 +02 50 22.1 r 084
2007-08-19 23:31:56 C 21 14 05.62 +02 54 12.2 r 084
2007-08-19 23:36:10 C 21 14 05.67 +02 54 18.7 r 084
2007-08-22 04:22:50 C 21 15 18.78 +04 16 38.1 o 699
2007-08-22 04:43:46 C 21 15 19.12 +04 17 10.6 o 699
2007-08-22 05:04:42 C 21 15 19.43 +04 17 42.7 o 699
2007-08-22 05:25:41 C 21 15 19.80 +04 18 15.6 o 699
2007-08-22 06:16:19 C 21 15 20.39 +04 19 34.0 17.4 c 704
2007-08-22 06:33:55 C 21 15 20.66 +04 20 01.1 17.5 c 704
2007-08-22 06:53:09 C 21 15 20.96 +04 20 30.7 17.6 c 704
2007-08-22 07:11:00 C 21 15 21.22 +04 20 58.5 17.4 c 704
2007-08-22 07:28:35 C 21 15 21.53 +04 21 25.4 17.4 c 704
2007-08-23 05:52:05 C 21 15 55.53 +04 55 50.2 r 683
2007-08-23 06:11:22 C 21 15 55.85 +04 56 19.4 r 683
2007-08-23 21:42:15 C 21 16 19.46 +05 19 43.8 r 084
2007-08-23 23:40:11 C 21 16 21.99 +05 22 42.9 r 084
2007-08-23 23:44:26 C 21 16 22.08 +05 22 49.1 r 084
2007-08-24 08:14:52 C 21 16 35.02 +05 35 53.3 r H45