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
2007-10-21 20:05:40 C 22 56 00.59 +20 59 18.7 r 084
2007-10-23 05:17:57 C 22 59 19.23 +20 58 01.4 18.2 c 704
2007-10-23 05:34:42 C 22 59 20.83 +20 58 01.0 18.4 c 704
2007-10-23 05:51:35 C 22 59 22.36 +20 57 59.5 18.4 c 704
2007-10-31 18:52:21 C 23 19 54.64 +20 41 56.7 c A24
2007-10-31 19:03:05 C 23 19 55.66 +20 41 55.9 c A24
2007-10-31 19:07:08 C 23 19 56.06 +20 41 55.4 c A24
2007-10-31 19:21:56 C 23 19 57.47 +20 41 54.3 c A24
2007-10-31 19:25:58 C 23 19 57.85 +20 41 54.0 c A24
2007-10-31 19:36:42 C 23 19 58.86 +20 41 53.0 c A24
2007-10-31 19:47:08 C 23 19 59.87 +20 41 52.1 c A24
2007-10-31 19:51:05 C 23 20 00.25 +20 41 51.7 c A24
2007-10-31 20:05:28 C 23 20 01.59 +20 41 50.5 c A24
2007-10-31 20:09:24 C 23 20 01.96 +20 41 50.1 c A24
2007-10-31 20:19:50 C 23 20 02.94 +20 41 49.0 c A24
2007-11-01 18:40:47 C 23 22 17.39 +20 39 33.3 c A24
2007-11-01 18:43:39 C 23 22 17.72 +20 39 33.0 c A24
2007-11-02 18:09:12 C 23 24 38.09 +20 37 06.3 r 106
2007-11-02 18:23:01 C 23 24 39.43 +20 37 04.7 r 106
2007-11-02 18:36:50 C 23 24 40.74 +20 37 03.1 r 106
2007-11-02 18:50:42 C 23 24 42.03 +20 37 00.9 r 106
2007-11-03 06:34:57 C 23 25 51.34 +20 35 51.5 r 703
2007-11-03 06:45:12 C 23 25 52.28 +20 35 50.1 r 703
2007-11-03 06:55:24 C 23 25 53.32 +20 35 48.8 r 703
2007-11-03 07:05:39 C 23 25 54.33 +20 35 47.4 r 703
2007-11-09 05:23:30 C 23 40 03.39 +20 20 22.3 r 703
2007-11-09 05:29:41 C 23 40 04.08 +20 20 21.8 r 703
2007-11-09 05:35:53 C 23 40 04.62 +20 20 20.9 r 703
2007-11-09 05:42:05 C 23 40 05.23 +20 20 21.0 r 703
2007-11-17 03:13:02 C 23 58 43.86 +20 01 19.2 r 703
2007-11-17 03:30:05 C 23 58 45.44 +20 01 17.3 r 703
2007-11-17 03:47:06 C 23 58 46.99 +20 01 16.2 r 703
2007-11-17 04:04:10 C 23 58 48.50 +20 01 15.6 r 703
2007-11-18 03:20:31 C 00 01 04.80 +19 59 12.5 r 703
2007-11-18 03:30:35 C 00 01 05.77 +19 59 10.9 r 703
2007-11-18 03:40:39 C 00 01 06.67 +19 59 11.1 r 703
2007-11-18 03:50:41 C 00 01 07.57 +19 59 09.8 r 703
2014-06-04 13:14:36 C 19 57 58.903 -28 25 53.37 L F51
2014-06-04 13:30:27 C 19 57 59.551 -28 25 49.68 L F51
2014-06-04 13:46:18 C 19 58 00.195 -28 25 45.71 L F51
2014-06-20 13:31:04 C 20 11 57.060 -26 27 28.58 L F51
2014-06-20 13:45:02 C 20 11 57.373 -26 27 23.00 L F51
2014-06-20 13:59:06 C 20 11 57.686 -26 27 17.40 L F51
2014-06-20 14:13:04 C 20 11 57.999 -26 27 11.84 L F51
2014-06-29 08:26:29 C 20 16 29.23 -24 53 11.2 q G96
2014-06-29 08:33:07 C 20 16 29.31 -24 53 07.8 q G96
2014-06-29 08:39:46 C 20 16 29.38 -24 53 04.4 q G96
2014-06-29 08:46:25 C 20 16 29.45 -24 53 01.1 q G96
2014-07-08 10:24:25 C 20 18 43.044 -22 44 21.63 L F51
2014-07-08 10:41:39 C 20 18 43.020 -22 44 10.16 L F51