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
2021-10-30 05:32:14 C 21 50 43.944 +06 08 20.12 U F52
2021-10-30 05:49:59 C 21 50 46.369 +06 08 29.28 U F52
2021-10-31 02:34:58 C 21 53 42.72 +06 19 07.4 V 703
2021-10-31 02:42:33 C 21 53 43.82 +06 19 12.1 V 703
2021-10-31 02:50:07 C 21 53 44.89 +06 19 15.6 V 703
2021-10-31 02:57:42 C 21 53 45.84 +06 19 19.3 V 703
2021-11-03 02:43:51 C 22 03 53.97 +06 55 33.7 V 703
2021-11-03 02:51:30 C 22 03 55.03 +06 55 37.8 V 703
2021-11-03 02:59:08 C 22 03 56.07 +06 55 41.3 V 703
2021-11-03 03:06:47 C 22 03 57.12 +06 55 45.3 V 703
2021-11-04 04:12:40 C 22 07 28.73 +07 08 09.0 U I41
2021-11-04 05:10:20 C 22 07 36.62 +07 08 37.1 U I41
2021-11-06 03:29:50 C 22 14 06.59 +07 31 09.4 U I41
2021-11-06 04:08:54 C 22 14 11.91 +07 31 28.2 U I41
2021-11-06 04:29:06 C 22 14 14.68 +07 31 38.0 U I41
2021-11-06 04:51:30 C 22 14 17.74 +07 31 48.8 U I41
2021-11-07 02:42:32 C 22 17 21.00 +07 42 17.6 V 703
2021-11-07 02:59:03 C 22 17 23.39 +07 42 23.8 V 703
2021-11-07 03:07:19 C 22 17 24.54 +07 42 29.3 V 703
2021-11-09 03:00:30 C 22 24 04.28 +08 05 06.8 U I41
2021-11-09 03:03:11 C 22 24 04.55 +08 05 08.3 V G96
2021-11-09 03:11:27 C 22 24 05.67 +08 05 12.0 V G96
2021-11-09 03:19:43 C 22 24 06.79 +08 05 15.9 V G96
2021-11-09 03:28:01 C 22 24 07.90 +08 05 19.8 V G96
2021-11-09 04:12:19 C 22 24 13.97 +08 05 40.2 U I41
2021-11-09 04:50:31 C 22 24 19.14 +08 05 58.3 U I41
2021-11-09 05:10:26 C 22 24 21.82 +08 06 07.3 U I41
2021-11-23 07:33:13 C 23 09 59.842 +10 34 34.80 U F52
2021-11-23 07:49:45 C 23 10 01.964 +10 34 41.51 U F52
2021-11-23 08:06:16 C 23 10 04.066 +10 34 48.06 U F52
2021-11-23 08:22:53 C 23 10 06.201 +10 34 54.73 U F52
2021-12-01 04:32:07 C 23 34 12.62 +11 49 58.8 V 703
2021-12-01 04:40:21 C 23 34 13.70 +11 50 01.7 V 703
2021-12-01 04:48:35 C 23 34 14.67 +11 50 05.8 V 703
2021-12-01 04:56:49 C 23 34 15.68 +11 50 08.2 V 703
2021-12-17 04:19:45 C 00 20 34.31 +14 11 52.0 V G96
2021-12-17 04:29:54 C 00 20 35.52 +14 11 55.7 V G96
2021-12-17 04:40:04 C 00 20 36.63 +14 11 59.5 V G96
2021-12-17 04:50:14 C 00 20 37.84 +14 12 02.3 V G96
2022-01-06 02:12:37 C 01 13 37.40 +16 52 23.7 V G96
2022-01-06 02:20:49 C 01 13 38.30 +16 52 25.9 V G96
2022-01-06 02:29:01 C 01 13 39.18 +16 52 29.7 V G96
2022-01-06 02:37:12 C 01 13 39.97 +16 52 31.7 V G96
2025-12-27 10:16:23 C 08 24 22.407 +20 01 53.41 X F52
2025-12-27 10:34:06 C 08 24 21.568 +20 01 54.60 X F52
2025-12-27 10:51:44 C 08 24 20.721 +20 01 55.67 X F52
2025-12-27 11:09:32 C 08 24 19.858 +20 01 56.67 X F52