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
2007-08-24 08:16:10 C 21 16 35.06 +05 35 55.3 r H45
2007-08-24 08:21:19 C 21 16 35.16 +05 36 03.0 r H45
2007-08-24 08:22:42 C 21 16 35.18 +05 36 05.0 r H45
2007-08-24 08:24:12 C 21 16 35.22 +05 36 07.4 r H45
2007-08-24 21:07:30 C 21 16 57.38 +05 55 06.7 r 084
2007-08-24 22:49:47 C 21 16 59.67 +05 57 40.1 r 084
2007-08-24 22:54:00 C 21 16 59.77 +05 57 46.6 r 084
2007-08-29 20:01:00 C 21 20 41.13 +08 47 45.9 c 127
2007-08-29 20:07:42 C 21 20 41.32 +08 47 56.2 c 127
2007-08-29 20:14:57 C 21 20 41.53 +08 48 05.8 c 127
2007-08-29 22:10:30 C 21 20 44.68 +08 50 46.4 16.8 o B15
2007-08-29 22:18:15 C 21 20 44.87 +08 50 57.4 16.8 o B15
2007-08-29 22:35:50 C 21 20 45.38 +08 51 21.5 16.7 o B15
2007-09-01 00:30:57 C 21 22 35.09 +09 59 21.8 r 084
2007-09-01 00:35:11 C 21 22 35.23 +09 59 27.0 r 084
2007-09-02 21:50:44 C 21 24 25.32 +10 58 45.0 c A24
2007-09-02 21:52:11 C 21 24 25.40 +10 58 46.8 c A24
2007-09-02 21:56:50 C 21 24 25.55 +10 58 52.6 c A24
2007-09-02 21:58:17 C 21 24 25.60 +10 58 54.6 c A24
2007-09-02 23:22:31 C 21 24 28.46 +11 00 41.8 c A24
2007-09-02 23:23:59 C 21 24 28.50 +11 00 43.8 c A24
2007-09-02 23:28:38 C 21 24 28.66 +11 00 49.7 c A24
2007-09-02 23:30:05 C 21 24 28.73 +11 00 51.5 c A24
2007-09-04 20:12:01 C 21 26 25.84 +11 56 28.5 r 084
2007-09-04 21:29:00 C 21 26 29.45 +11 58 06.4 c 127
2007-09-04 21:38:27 C 21 26 29.82 +11 58 18.2 c 127
2007-09-04 21:42:44 C 21 26 29.43 +11 58 18.3 r 084
2007-09-04 21:46:03 C 21 26 30.11 +11 58 27.2 c 127
2007-09-04 21:53:09 C 21 26 30.39 +11 58 35.8 c 127
2007-09-04 23:09:10 C 21 26 32.91 +12 00 02.5 r 084
2007-09-04 23:13:24 C 21 26 33.07 +12 00 07.5 r 084
2007-09-05 04:04:28 C 21 26 48.10 +12 06 13.1 o 699
2007-09-05 04:39:04 C 21 26 49.39 +12 06 55.5 o 699
2007-09-05 05:13:04 C 21 26 50.66 +12 07 36.5 o 699
2007-09-05 05:46:41 C 21 26 51.88 +12 08 16.8 o 699
2007-09-05 06:05:45 C 21 26 52.54 +12 08 41.1 r 703
2007-09-05 06:17:30 C 21 26 52.98 +12 08 55.5 r 703
2007-09-05 06:29:21 C 21 26 53.41 +12 09 09.3 r 703
2007-09-05 06:41:09 C 21 26 53.84 +12 09 23.6 r 703
2007-09-05 21:39:18 C 21 27 35.45 +12 26 59.6 r 084
2007-09-05 22:51:13 C 21 27 38.48 +12 28 24.2 r 084
2007-09-05 22:55:27 C 21 27 38.65 +12 28 29.0 r 084
2007-09-07 07:46:00 C 21 29 12.72 +13 06 39.2 r H45
2007-09-07 08:01:00 C 21 29 13.40 +13 06 55.6 r H45
2007-09-07 08:05:06 C 21 29 13.62 +13 06 59.9 r H45
2007-09-07 19:12:16 C 21 29 49.42 +13 19 26.4 o 434
2007-09-07 19:15:38 C 21 29 49.61 +13 19 30.4 o 434
2007-09-07 19:19:03 C 21 29 49.71 +13 19 33.9 o 434
2007-09-07 19:21:53 C 21 29 49.84 +13 19 37.9 o 434
2007-09-07 19:49:30 C 21 29 50.44 +13 20 02.1 r 084