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
2021-07-18 09:28:01 C 18 49 49.49 -25 16 18.6 V T05
2021-08-09 01:37:28 C 18 39 57.32 -18 14 48.0 V W46
2021-08-09 02:25:27 C 18 39 57.22 -18 14 05.9 V W46
2021-08-24 05:34:35 C 18 49 24.04 -12 49 45.7 U I41
2021-08-24 06:35:45 C 18 49 26.60 -12 48 51.8 U I41
2021-08-26 05:34:37 C 18 51 48.82 -12 07 46.4 U I41
2021-08-26 06:35:15 C 18 51 51.69 -12 06 52.9 U I41
2021-08-28 07:37:11 C 18 54 36.71 -11 24 19.0 V T05
2021-08-28 08:05:08 C 18 54 38.19 -11 23 55.1 V T05
2021-08-28 08:35:17 C 18 54 39.79 -11 23 28.4 V T05
2021-09-07 08:05:25 C 19 11 52.67 -08 02 41.4 V T08
2021-09-07 08:09:26 C 19 11 53.02 -08 02 37.9 V T08
2021-09-07 08:24:01 C 19 11 54.17 -08 02 25.9 V T08
2021-09-07 08:32:41 C 19 11 54.85 -08 02 18.7 V T08
2021-09-09 04:28:28 C 19 15 44.10 -07 26 53.4 U I41
2021-09-09 07:10:39 C 19 15 57.72 -07 24 42.1 U I41
2021-09-09 19:04:22 C 19 17 02.96 -07 15 13.3 V K83
2021-09-09 19:07:44 C 19 17 03.22 -07 15 11.3 V K83
2021-09-09 19:11:05 C 19 17 03.53 -07 15 08.7 V K83
2021-09-11 04:04:41 C 19 20 04.90 -06 48 51.7 U I41
2021-09-11 05:34:16 C 19 20 12.75 -06 47 40.5 U I41
2021-09-13 05:49:27 C 19 24 50.47 -06 09 38.4 V U68
2021-09-13 05:54:16 C 19 24 50.90 -06 09 35.4 V U68
2021-09-13 06:22:53 C 19 24 53.58 -06 09 12.1 V U68
2021-09-13 06:27:42 C 19 24 54.04 -06 09 08.4 V U68
2021-09-27 08:00:50 C 20 02 33.08 -01 56 42.5 V T08
2021-09-27 08:05:29 C 20 02 33.64 -01 56 39.2 V T08
2021-09-27 08:14:07 C 20 02 34.60 -01 56 32.7 V T08
2021-09-27 08:31:22 C 20 02 36.70 -01 56 20.4 V T08
2021-10-03 07:59:30 C 20 20 50.40 -00 17 01.2 V T05
2021-10-03 08:05:26 C 20 20 51.14 -00 16 56.8 V T05
2021-10-03 08:16:08 C 20 20 52.50 -00 16 49.9 V T05
2021-10-03 08:43:19 C 20 20 55.89 -00 16 31.9 V T05
2021-10-10 02:24:44 C 20 42 37.60 +01 29 20.9 V G96
2021-10-10 02:32:59 C 20 42 38.69 +01 29 26.2 V G96
2021-10-10 02:41:16 C 20 42 39.78 +01 29 31.5 V G96
2021-10-10 02:49:30 C 20 42 40.87 +01 29 36.7 V G96
2021-10-24 05:36:29 C 21 30 17.087 +04 51 15.66 U F51
2021-10-24 05:53:51 C 21 30 19.474 +04 51 25.32 U F51
2021-10-24 06:11:10 C 21 30 21.852 +04 51 34.90 U F51
2021-10-26 13:49:28 C 21 38 16.121 +05 22 10.85 V P07
2021-10-26 14:28:52 C 21 38 21.602 +05 22 31.94 V P07
2021-10-26 14:58:46 C 21 38 25.742 +05 22 47.71 V P07
2021-10-26 15:28:43 C 21 38 29.916 +05 23 03.95 V P07
2021-10-26 15:57:13 C 21 38 33.886 +05 23 19.10 V P07
2021-10-28 02:34:35 C 21 43 30.09 +05 41 34.2 V 703
2021-10-28 02:42:09 C 21 43 31.10 +05 41 38.3 V 703
2021-10-28 02:49:44 C 21 43 32.20 +05 41 41.9 V 703
2021-10-28 02:57:18 C 21 43 33.38 +05 41 46.2 V 703
2021-10-30 05:14:29 C 21 50 41.505 +06 08 10.92 U F52