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
2007-09-10 21:44:47 C 21 33 45.34 +14 38 38.0 c A24
2007-09-10 21:46:11 C 21 33 45.40 +14 38 39.2 c A24
2007-09-10 21:50:49 C 21 33 45.62 +14 38 44.1 c A24
2007-09-10 21:52:14 C 21 33 45.67 +14 38 45.5 c A24
2007-09-10 23:13:37 C 21 33 49.46 +14 39 58.6 r 084
2007-09-10 23:49:00 C 21 33 51.88 +14 40 38.6 o J41
2007-09-11 00:40:41 C 21 33 54.45 +14 41 29.9 o J41
2007-09-11 19:20:19 C 21 34 58.95 +14 59 54.5 r 084
2007-09-11 20:17:24 C 21 35 02.61 +15 00 57.0 c A24
2007-09-11 20:18:50 C 21 35 02.69 +15 00 58.2 c A24
2007-09-11 20:23:32 C 21 35 02.93 +15 01 02.9 c A24
2007-09-11 20:24:59 C 21 35 03.00 +15 01 04.3 c A24
2007-09-11 20:50:34 C 21 35 04.30 +15 01 29.6 c A24
2007-09-11 20:57:10 C 21 35 04.64 +15 01 36.1 c A24
2007-09-11 21:55:26 C 21 35 07.52 +15 02 32.8 c A24
2007-09-11 21:56:52 C 21 35 07.59 +15 02 34.1 c A24
2007-09-11 22:01:32 C 21 35 07.82 +15 02 38.6 c A24
2007-09-11 22:03:00 C 21 35 07.89 +15 02 39.9 c A24
2007-09-11 23:40:18 C 21 35 12.67 +15 04 05.3 r 084
2007-09-11 23:44:31 C 21 35 12.92 +15 04 09.4 r 084
2007-09-12 20:20:30 C 21 36 26.86 +15 23 56.0 c A24
2007-09-12 20:21:55 C 21 36 26.95 +15 23 57.4 c A24
2007-09-12 20:26:33 C 21 36 27.18 +15 24 01.9 c A24
2007-09-12 20:28:00 C 21 36 27.25 +15 24 03.2 c A24
2007-09-12 20:51:05 C 21 36 28.32 +15 24 25.5 c A24
2007-09-12 20:57:10 C 21 36 28.80 +15 24 30.9 c A24
2007-09-12 21:52:17 C 21 36 31.51 +15 25 22.8 c A24
2007-09-12 21:56:57 C 21 36 31.82 +15 25 27.4 c A24
2007-09-12 21:58:23 C 21 36 31.89 +15 25 27.6 c A24
2007-09-13 04:50:49 C 21 36 57.06 +15 31 58.8 r 703
2007-09-13 04:59:26 C 21 36 57.49 +15 32 06.9 r 703
2007-09-13 05:08:01 C 21 36 57.96 +15 32 15.0 r 703
2007-09-13 05:16:36 C 21 36 58.35 +15 32 22.7 r 703
2007-09-14 03:13:17 C 21 38 19.47 +15 52 16.1 o 699
2007-09-14 03:46:14 C 21 38 21.26 +15 52 45.1 o 699
2007-09-14 04:19:11 C 21 38 23.03 +15 53 15.7 o 699
2007-09-14 04:52:07 C 21 38 24.75 +15 53 45.5 o 699
2007-09-14 20:30:32 C 21 39 22.77 +16 07 16.4 r 084
2007-09-14 20:34:45 C 21 39 22.99 +16 07 19.8 r 084
2007-09-15 19:44:51 C 21 40 52.58 +16 27 05.0 c 196
2007-09-15 20:07:52 C 21 40 53.93 +16 27 24.7 c 196
2007-09-15 20:34:09 C 21 40 55.44 +16 27 46.6 c 196
2007-09-15 21:27:06 C 21 40 58.50 +16 28 29.3 r B43
2007-09-15 21:29:13 C 21 40 58.62 +16 28 31.2 r B43
2007-09-15 21:31:19 C 21 40 58.75 +16 28 32.9 r B43
2007-09-16 20:35:57 C 21 42 30.23 +16 47 21.6 d B37
2007-09-16 20:37:59 C 21 42 30.21 +16 47 23.8 d B37
2007-09-16 20:40:01 C 21 42 30.34 +16 47 24.4 d B37
2007-09-16 20:42:05 C 21 42 30.42 +16 47 27.1 d B37
2007-09-16 20:48:14 C 21 42 30.93 +16 47 30.8 d B37