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
2014-07-08 10:58:54 C 20 18 42.996 -22 43 58.55 L F51
2014-07-08 11:16:10 C 20 18 42.984 -22 43 47.75 L F51
2014-07-18 00:03:52 C 20 18 45.79 -19 45 10.5 r Y00
2014-07-18 00:19:26 C 20 18 45.59 -19 44 57.5 r Y00
2014-07-18 00:34:34 C 20 18 45.51 -19 44 44.8 r Y00
2014-07-19 23:57:18 C 20 18 31.96 -19 01 41.8 r Y00
2014-07-20 00:15:49 C 20 18 31.79 -19 01 25.6 r Y00
2014-07-20 00:30:42 C 20 18 31.61 -19 01 11.7 r Y00
2014-07-25 07:19:27 C 20 17 38.51 -16 55 51.3 q H45
2014-07-25 07:20:59 C 20 17 38.50 -16 55 49.4 q H45
2014-07-25 07:23:14 C 20 17 38.46 -16 55 46.8 q H45
2014-07-25 07:24:47 C 20 17 38.43 -16 55 45.4 q H45
2014-07-25 07:26:32 C 20 17 38.42 -16 55 43.5 q H45
2014-07-25 07:27:56 C 20 17 38.38 -16 55 42.1 q H45
2014-07-25 09:49:22 C 20 17 38.08 -16 53 07.6 L T08
2014-07-25 10:25:14 C 20 17 37.64 -16 52 28.7 L T08
2014-07-25 11:07:59 C 20 17 36.86 -16 51 45.3 L T08
2014-07-25 11:14:46 C 20 17 36.79 -16 51 38.7 L T08
2014-07-26 06:15:07 C 20 17 28.69 -16 31 29.4 R G45
2014-07-26 06:17:06 C 20 17 28.66 -16 31 27.7 R G45
2014-07-26 06:33:41 C 20 17 28.42 -16 31 10.0 R G45
2014-07-26 06:35:34 C 20 17 28.40 -16 31 07.8 R G45
2014-07-26 06:51:59 C 20 17 28.14 -16 30 50.3 R G45
2014-07-26 06:53:55 C 20 17 28.15 -16 30 48.2 R G45
2014-07-26 07:10:43 C 20 17 27.88 -16 30 30.1 R G45
2014-07-29 08:03:06 C 20 16 53.29 -15 09 55.4 q H45
2014-07-29 08:04:44 C 20 16 53.28 -15 09 53.4 q H45
2014-07-29 08:06:10 C 20 16 53.25 -15 09 52.0 q H45
2014-07-29 08:08:21 C 20 16 53.22 -15 09 49.3 q H45
2014-07-29 08:10:02 C 20 16 53.19 -15 09 47.5 q H45
2014-07-29 08:11:37 C 20 16 53.18 -15 09 45.5 q H45
2014-07-31 23:06:33 C 20 16 28.79 -13 56 05.8 r Y00
2014-07-31 23:33:25 C 20 16 28.47 -13 55 34.2 r Y00
2014-07-31 23:47:45 C 20 16 28.30 -13 55 17.7 r Y00
2014-08-02 23:49:22 C 20 16 11.04 -12 57 18.5 r Y00
2014-08-03 00:08:38 C 20 16 10.86 -12 56 55.2 r Y00
2014-08-03 00:20:51 C 20 16 10.69 -12 56 40.3 r Y00
2014-08-03 10:20:26 C 20 16 06.379 -12 44 45.54 L F51
2014-08-03 10:35:36 C 20 16 06.170 -12 44 26.80 L F51
2014-08-03 10:50:47 C 20 16 05.967 -12 44 08.00 L F51
2014-08-03 11:05:57 C 20 16 05.770 -12 43 49.19 L F51
2014-08-04 08:44:38 C 20 16 00.968 -12 16 59.37 L F51
2014-08-04 09:03:25 C 20 16 00.732 -12 16 36.12 L F51
2014-08-04 09:22:15 C 20 16 00.486 -12 16 12.65 L F51
2014-08-04 09:41:04 C 20 16 00.246 -12 15 49.24 L F51
2014-08-05 09:59:42 C 20 15 54.615 -11 45 18.78 L F51
2014-08-05 10:18:20 C 20 15 54.392 -11 44 55.17 L F51
2014-08-06 07:27:01 C 20 15 50.24 -11 18 11.7 q H45
2014-08-06 07:28:13 C 20 15 50.24 -11 18 09.9 q H45
2014-08-06 07:29:15 C 20 15 50.22 -11 18 08.2 q H45