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
2014-10-08 01:47:18 C 21 43 56.77 +13 47 56.6 u H21
2014-10-08 01:52:53 C 21 43 57.36 +13 47 59.2 u H21
2014-10-08 01:59:00 C 21 43 57.99 +13 48 02.2 u H21
2014-10-18 03:16:43 C 22 11 58.96 +15 04 46.0 q 703
2014-10-18 03:27:39 C 22 12 00.17 +15 04 48.6 q 703
2014-10-18 03:38:34 C 22 12 01.40 +15 04 51.7 q 703
2014-10-18 03:49:31 C 22 12 02.72 +15 04 53.5 q 703
2014-10-29 02:57:12 C 22 43 15.11 +15 55 01.8 q 703
2014-10-29 03:05:37 C 22 43 16.07 +15 55 03.1 q 703
2014-10-29 03:22:26 C 22 43 17.98 +15 55 05.3 q 703
2014-11-08 08:07:52 C 23 11 59.652 +16 24 41.10 L F51
2014-11-08 08:24:37 C 23 12 01.534 +16 24 42.71 L F51
2014-11-19 02:22:43 C 23 41 16.73 +16 48 59.3 q 703
2014-11-19 02:33:37 C 23 41 17.93 +16 49 02.1 q 703
2014-11-19 02:39:07 C 23 41 18.47 +16 49 01.4 R G45
2014-11-19 02:44:33 C 23 41 19.13 +16 49 02.6 q 703
2014-11-19 02:45:10 C 23 41 19.10 +16 49 01.1 R G45
2014-11-19 02:51:14 C 23 41 19.80 +16 49 01.9 R G45
2014-11-19 03:07:00 C 23 41 21.44 +16 49 04.0 R G45
2014-11-19 03:12:59 C 23 41 22.13 +16 49 04.3 R G45
2014-11-24 02:34:34 C 23 54 29.72 +17 00 15.7 R G45
2014-11-24 02:50:22 C 23 54 31.40 +17 00 17.4 R G45
2014-11-24 03:00:07 C 23 54 32.42 +17 00 18.5 R G45
2014-11-24 03:06:00 C 23 54 33.01 +17 00 18.9 R G45
2014-11-27 04:53:44 C 00 02 32.06 +17 07 34.8 q 703
2014-11-27 05:04:48 C 00 02 33.22 +17 07 37.3 q 703
2014-11-27 05:15:56 C 00 02 34.36 +17 07 37.3 q 703
2014-11-27 05:27:02 C 00 02 35.42 +17 07 38.5 q 703
2014-12-08 07:50:49 C 00 30 37.702 +17 37 40.53 L F51
2014-12-08 08:07:58 C 00 30 39.429 +17 37 42.48 L F51
2014-12-08 08:25:07 C 00 30 41.156 +17 37 44.44 L F51
2019-01-14 12:36:50 C 08 10 42.726 +19 47 42.15 U F51
2019-01-14 12:53:55 C 08 10 41.785 +19 47 43.14 U F51
2019-01-14 13:10:56 C 08 10 40.835 +19 47 44.29 U F51
2021-06-20 12:54:25 C 19 10 32.95 -30 11 34.4 V T05
2021-06-20 12:58:24 C 19 10 32.86 -30 11 33.8 V T05
2021-06-20 13:05:48 C 19 10 32.68 -30 11 31.7 V T05
2021-06-20 13:56:26 C 19 10 31.71 -30 11 19.0 V T05
2021-07-08 09:21:56 C 18 58 43.05 -27 38 12.1 V T08
2021-07-08 09:26:35 C 18 58 42.87 -27 38 10.0 V T08
2021-07-08 09:30:34 C 18 58 42.69 -27 38 07.7 V T08
2021-07-08 10:14:41 C 18 58 40.78 -27 37 46.1 V T08
2021-07-16 09:09:50 C 18 51 34.01 -25 48 11.4 V T08
2021-07-16 09:13:09 C 18 51 33.87 -25 48 09.4 V T08
2021-07-16 09:17:08 C 18 51 33.71 -25 48 07.8 V T08
2021-07-16 10:25:46 C 18 51 30.74 -25 47 22.7 V T08
2021-07-16 11:14:49 C 18 51 28.65 -25 46 50.2 V T08
2021-07-18 08:53:10 C 18 49 50.96 -25 16 42.0 V T05
2021-07-18 08:56:29 C 18 49 50.84 -25 16 40.2 V T05
2021-07-18 09:05:04 C 18 49 50.48 -25 16 34.1 V T05