663491 (2007 RT9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5858214164 ± 2.96e-08
Semi-major axis (a)1.6656560082 AU ± 3.72e-09
Inclination (i)21.28243251° ± 8.63e-06
Long. of Asc. Node (Ω)163.90542226° ± 1.69e-05
Arg. of Perihelion (ω)24.77437671° ± 1.74e-05
Mean Anomaly (M)279.76555364° ± 9.89e-06
Mean Motion (n)0.4584946819°/day ± 1.54e-09
Perihelion dist (q)0.68987905 AU ± 4.93e-08
Aphelion dist (Q)2.64143297 AU ± 4.97e-08
Orbital Period2.14970058 yr ± 7.20e-09
Physical Parameters
H (abs. magnitude)19.06
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.294″
Uncertainty0
Orbit TypeApollo
MOID0.234683 AU
Observations Used115
Oppositions9
Arc Total2007-2024
First Observation Used2007-09-10
Last Observation Used2024-08-01
Observations (124)
Date Type RA Dec Mag Band Observatory
2011-06-16 07:00:18 C 21 47 02.40 +67 52 03.1 o H21
2011-06-16 07:06:54 C 21 46 59.90 +67 51 50.1 o H21
2011-06-16 07:13:44 C 21 46 57.23 +67 51 36.5 o H21
2011-06-16 07:26:39 C 21 46 52.17 +67 51 11.2 o H21
2011-06-21 06:40:37 C 21 08 46.91 +63 33 37.6 o H21
2011-06-21 06:45:53 C 21 08 45.48 +63 33 25.5 o H21
2011-06-21 06:51:37 C 21 08 43.88 +63 33 13.1 o H21
2011-06-21 06:59:05 C 21 08 41.78 +63 32 55.9 o H21
2011-06-27 22:20:04 C 20 33 14.96 +57 06 58.7 v 204
2011-06-27 22:39:00 C 20 33 11.38 +57 06 11.2 v 204
2011-06-27 22:58:36 C 20 33 07.66 +57 05 22.2 v 204
2011-07-04 07:31:59 C 20 09 04.46 +50 23 30.3 t G58
2011-07-04 07:34:29 C 20 09 04.16 +50 23 23.4 t G58
2011-07-04 07:46:23 C 20 09 02.51 +50 22 51.0 t G58
2011-07-12 11:30:56 C 19 47 01.528 +41 16 26.92 L F51
2011-07-12 11:46:41 C 19 46 59.938 +41 15 41.88 L F51
2011-07-12 12:03:38 C 19 46 58.248 +41 14 53.43 L F51
2021-11-12 11:14:58 C 09 12 16.16 -16 47 11.7 V I52
2021-11-12 11:19:38 C 09 12 17.02 -16 47 17.6 V I52
2021-11-12 11:25:24 C 09 12 17.99 -16 47 23.8 V I52
2021-11-12 11:28:43 C 09 12 18.59 -16 47 27.3 V I52
2022-07-23 08:40:10 C 23 36 21.30 +05 14 41.9 u H21
2022-07-23 08:47:05 C 23 36 21.11 +05 14 38.6 u H21
2022-07-23 08:55:30 C 23 36 20.89 +05 14 35.5 u H21
2022-08-07 06:50:08 C 23 23 39.11 +02 15 25.5 u H21
2022-08-07 06:57:26 C 23 23 38.76 +02 15 21.1 u H21
2022-08-17 06:28:50 C 23 11 19.01 -00 21 40.9 u H21
2022-08-17 06:35:06 C 23 11 18.65 -00 21 45.0 u H21
2022-08-17 06:41:21 C 23 11 18.29 -00 21 49.4 u H21
2022-08-17 06:53:53 C 23 11 17.52 -00 21 58.3 u H21
2022-09-01 08:35:45 C 22 49 42.400 -04 47 16.20 U F52
2022-09-01 09:08:57 C 22 49 40.338 -04 47 40.35 U F52
2022-09-01 09:25:30 C 22 49 39.299 -04 47 52.36 U F52
2023-10-11 14:39:23 C 05 16 02.180 -07 20 15.40 X F51
2023-10-11 14:47:51 C 05 16 02.343 -07 20 22.27 X F51
2023-10-11 14:56:16 C 05 16 02.522 -07 20 29.22 X F51
2023-10-17 08:49:49 C 05 18 31.67 -09 17 00.3 u H21
2023-10-17 09:05:06 C 05 18 31.84 -09 17 14.1 u H21
2023-10-23 13:26:24 C 05 19 58.966 -11 33 44.63 X F51
2023-10-23 13:43:26 C 05 19 59.022 -11 34 00.98 X F51
2023-10-23 14:00:25 C 05 19 59.062 -11 34 17.22 X F51
2023-11-10 09:52:11 C 05 15 17.600 -19 03 23.65 V G96
2023-11-10 09:59:37 C 05 15 17.334 -19 03 30.49 V G96
2023-11-10 10:07:03 C 05 15 17.172 -19 03 39.74 V G96
2023-11-10 10:14:29 C 05 15 16.924 -19 03 48.17 V G96
2023-12-07 09:23:42 C 04 35 35.784 -30 15 17.18 X F52
2023-12-07 09:37:39 C 04 35 34.442 -30 15 28.52 X F52
2023-12-07 09:51:35 C 04 35 33.114 -30 15 39.71 X F52
2023-12-07 10:07:49 C 04 35 31.558 -30 15 52.87 X F52
2024-02-01 01:25:38 C 02 35 31.757 -27 02 37.57 V W68