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
2007-09-07 19:53:44 C 21 29 50.62 +13 20 06.7 r 084
2007-09-07 20:04:57 C 21 29 51.74 +13 20 26.8 17.3 r 160
2007-09-07 20:12:56 C 21 29 52.15 +13 20 35.1 c A24
2007-09-07 20:14:22 C 21 29 52.24 +13 20 36.7 c A24
2007-09-07 20:18:56 C 21 29 52.42 +13 20 42.0 c A24
2007-09-07 20:20:23 C 21 29 52.48 +13 20 43.7 c A24
2007-09-07 20:34:47 C 21 29 53.02 +13 21 00.4 17.7 r 160
2007-09-07 20:41:18 C 21 29 53.34 +13 21 07.9 17.7 r 160
2007-09-07 20:43:43 C 21 29 53.49 +13 21 09.6 c A24
2007-09-07 20:48:42 C 21 29 53.63 +13 21 15.9 17.6 r 160
2007-09-07 20:50:10 C 21 29 53.76 +13 21 16.9 c A24
2007-09-07 21:14:31 C 21 29 54.81 +13 21 44.1 c A24
2007-09-07 21:43:53 C 21 29 56.09 +13 22 17.0 c A24
2007-09-07 21:45:19 C 21 29 56.14 +13 22 18.6 c A24
2007-09-07 21:51:11 C 21 29 56.38 +13 22 24.3 c A24
2007-09-07 21:52:37 C 21 29 56.44 +13 22 27.0 c A24
2007-09-07 22:06:35 C 21 29 56.60 +13 22 34.6 r 084
2007-09-08 00:00:58 C 21 30 01.88 +13 24 40.3 r 084
2007-09-08 19:32:00 C 21 31 03.23 +13 46 04.8 r 084
2007-09-08 19:36:14 C 21 31 03.42 +13 46 09.4 r 084
2007-09-08 20:11:54 C 21 31 05.78 +13 46 54.8 c A24
2007-09-08 20:13:22 C 21 31 05.84 +13 46 56.2 c A24
2007-09-08 20:17:57 C 21 31 06.05 +13 47 01.3 c A24
2007-09-08 20:19:24 C 21 31 06.11 +13 47 02.9 c A24
2007-09-08 20:19:40 C 21 31 06.04 +13 47 03.3 c A48
2007-09-08 20:27:55 C 21 31 06.42 +13 47 12.2 c A48
2007-09-08 20:36:10 C 21 31 06.79 +13 47 21.2 c A48
2007-09-08 20:43:07 C 21 31 07.19 +13 47 28.7 c A24
2007-09-08 20:44:25 C 21 31 07.16 +13 47 30.2 c A48
2007-09-08 20:49:37 C 21 31 07.49 +13 47 35.9 c A24
2007-09-08 21:14:20 C 21 31 08.58 +13 48 02.5 c A24
2007-09-08 21:39:31 C 21 31 09.66 +13 48 29.9 r B14
2007-09-08 21:44:07 C 21 31 09.93 +13 48 35.1 c A24
2007-09-08 21:45:33 C 21 31 09.96 +13 48 36.0 c A24
2007-09-08 21:51:29 C 21 31 10.21 +13 48 42.8 c A24
2007-09-08 21:52:56 C 21 31 10.28 +13 48 44.2 c A24
2007-09-08 22:20:40 C 21 31 12.38 +13 49 23.6 c J51
2007-09-08 22:36:53 C 21 31 12.22 +13 49 31.5 r B14
2007-09-08 23:05:06 C 21 31 14.30 +13 50 12.0 c J51
2007-09-09 00:11:32 C 21 31 17.16 +13 51 23.0 c J51
2007-09-09 20:13:21 C 21 32 22.04 +14 12 26.1 o 204
2007-09-09 20:17:56 C 21 32 22.25 +14 12 30.9 o 204
2007-09-10 19:32:15 C 21 33 38.19 +14 36 17.0 r 084
2007-09-10 19:36:29 C 21 33 38.40 +14 36 21.3 r 084
2007-09-10 20:18:17 C 21 33 41.19 +14 37 10.4 c A24
2007-09-10 20:19:43 C 21 33 41.27 +14 37 11.7 c A24
2007-09-10 20:43:36 C 21 33 42.41 +14 37 36.4 c A24
2007-09-10 20:49:37 C 21 33 42.75 +14 37 42.4 c A24
2007-09-10 21:24:39 C 21 33 43.88 +14 38 10.7 r 084
2007-09-10 21:30:54 C 21 33 45.02 +14 38 19.6 o J41