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
2007-09-29 22:14:45 C 22 06 30.82 +19 48 54.8 r 084
2007-09-29 22:18:59 C 22 06 31.16 +19 48 56.4 r 084
2007-10-01 19:24:10 C 22 10 25.51 +20 04 47.1 r 084
2007-10-01 19:28:24 C 22 10 25.87 +20 04 48.4 r 084
2007-10-03 19:49:35 C 22 14 42.41 +20 19 20.4 c A94
2007-10-03 19:55:03 C 22 14 42.89 +20 19 21.2 c A94
2007-10-03 20:00:28 C 22 14 43.36 +20 19 23.1 c A94
2007-10-03 20:07:01 C 22 14 43.89 +20 19 24.9 c A94
2007-10-04 21:24:46 C 22 16 59.77 +20 25 56.8 c A24
2007-10-04 21:26:12 C 22 16 59.87 +20 25 57.4 c A24
2007-10-04 21:42:02 C 22 17 01.22 +20 26 01.0 c A24
2007-10-04 21:59:17 C 22 17 02.67 +20 26 05.2 c A24
2007-10-04 22:15:06 C 22 17 04.01 +20 26 08.9 c A24
2007-10-04 22:16:32 C 22 17 04.15 +20 26 09.3 c A24
2007-10-06 19:13:59 C 22 21 11.04 +20 36 07.0 c 196
2007-10-06 20:32:58 C 22 21 17.89 +20 36 23.4 c 196
2007-10-06 22:30:28 C 22 21 28.08 +20 36 49.7 d B37
2007-10-06 22:31:34 C 22 21 28.29 +20 36 50.0 d B37
2007-10-06 22:32:07 C 22 21 28.33 +20 36 50.2 d B37
2007-10-06 22:38:15 C 22 21 28.68 +20 36 51.3 d B37
2007-10-06 22:42:04 C 22 21 29.01 +20 36 51.7 d B37
2007-10-06 23:26:22 C 22 21 32.83 +20 36 59.8 d B37
2007-10-06 23:29:08 C 22 21 33.15 +20 37 01.5 d B37
2007-10-08 19:04:16 C 22 25 37.16 +20 44 37.6 r 240
2007-10-08 19:07:54 C 22 25 37.48 +20 44 38.2 r 240
2007-10-08 19:11:32 C 22 25 37.80 +20 44 38.8 r 240
2007-10-08 19:15:10 C 22 25 38.12 +20 44 39.4 r 240
2007-10-08 19:18:47 C 22 25 38.44 +20 44 40.0 r 240
2007-10-08 22:50:02 C 22 25 57.07 +20 45 15.3 d B37
2007-10-08 22:56:01 C 22 25 57.48 +20 45 17.6 d B37
2007-10-08 23:15:11 C 22 25 59.32 +20 45 20.7 d B37
2007-10-08 23:21:41 C 22 25 59.80 +20 45 20.3 d B37
2007-10-10 22:44:46 C 22 30 28.02 +20 51 30.3 r 084
2007-10-10 22:48:59 C 22 30 28.38 +20 51 30.2 r 084
2007-10-13 20:19:52 C 22 37 09.05 +20 57 43.4 r 240
2007-10-13 20:22:17 C 22 37 09.27 +20 57 43.4 r 240
2007-10-13 20:27:07 C 22 37 09.72 +20 57 43.9 r 240
2007-10-13 20:29:32 C 22 37 09.94 +20 57 44.2 r 240
2007-10-13 20:31:57 C 22 37 10.16 +20 57 44.3 r 240
2007-10-13 23:23:41 C 22 37 26.18 +20 57 52.2 o 987
2007-10-13 23:37:41 C 22 37 27.54 +20 57 53.1 o 987
2007-10-13 23:47:26 C 22 37 28.47 +20 57 53.5 o 987
2007-10-17 00:55:05 C 22 44 36.03 +21 00 39.7 o 987
2007-10-17 01:25:18 C 22 44 38.96 +21 00 39.7 o 987
2007-10-17 01:52:52 C 22 44 41.63 +21 00 39.6 o 987
2007-10-18 06:57:19 C 22 47 33.32 +21 01 04.2 r 703
2007-10-18 07:09:09 C 22 47 34.40 +21 01 04.7 r 703
2007-10-18 07:21:00 C 22 47 35.59 +21 01 03.6 r 703
2007-10-18 07:32:50 C 22 47 36.67 +21 01 03.7 r 703
2007-10-20 17:27:55 C 22 53 22.25 +21 00 08.7 r 084