8507 (1991 CB1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5947797394 ± 1.74e-08
Semi-major axis (a)1.6873346431 AU ± 1.37e-09
Inclination (i)14.60088631° ± 2.63e-06
Long. of Asc. Node (Ω)317.36128812° ± 1.25e-05
Arg. of Perihelion (ω)345.84290119° ± 1.30e-05
Mean Anomaly (M)189.18650153° ± 3.15e-06
Mean Motion (n)0.4496871125°/day ± 5.47e-10
Perihelion dist (q)0.68374218 AU ± 2.94e-08
Aphelion dist (Q)2.69092710 AU ± 2.95e-08
Orbital Period2.19180460 yr ± 2.67e-09
Physical Parameters
H (abs. magnitude)17.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.331″
Uncertainty0
Orbit TypeApollo
MOID0.221029 AU
Observations Used772
Oppositions19
Arc Total1991-2026
First Observation Used1991-02-15
Last Observation Used2026-03-23
Observations (807)
Date Type RA Dec Mag Band Observatory
2024-11-27 06:29:10 C 21 36 46.061 +15 16 29.75 V T05
2024-11-27 06:57:30 C 21 36 53.210 +15 17 06.72 V T05
2024-11-28 06:33:56 C 21 42 51.204 +15 47 14.64 V T05
2024-11-28 06:39:17 C 21 42 52.514 +15 47 21.48 V T05
2024-11-28 06:47:12 C 21 42 54.490 +15 47 31.09 V T05
2024-11-28 07:07:13 C 21 42 59.422 +15 47 55.36 V T05
2024-11-28 18:20:49 B 21 45 48.22 +16 01 45.4 X K19
2024-11-28 18:25:58 B 21 45 49.49 +16 01 52.4 X K19
2024-11-28 18:31:07 B 21 45 50.74 +16 01 58.4 X K19
2024-11-29 01:21:00 C 21 47 32.730 +16 10 21.90 V 703
2024-11-29 01:24:18 C 21 47 33.515 +16 10 25.90 V 703
2024-11-29 01:27:37 C 21 47 34.296 +16 10 29.35 V 703
2024-12-01 02:53:01 C 21 59 36.827 +17 08 00.13 V 703
2024-12-01 02:56:17 C 21 59 37.673 +17 08 02.76 V 703
2024-12-01 02:59:32 C 21 59 38.375 +17 08 07.37 V 703
2024-12-01 03:02:48 C 21 59 39.127 +17 08 10.72 V 703
2024-12-01 06:14:42 C 22 00 25.106 +17 11 46.03 V T05
2024-12-01 06:19:22 C 22 00 26.198 +17 11 51.54 V T05
2024-12-01 06:28:37 C 22 00 28.346 +17 12 01.69 V T05
2024-12-01 07:12:30 C 22 00 38.774 +17 12 49.97 V T05
2024-12-01 16:48:30 B 22 02 56.67 +17 23 17.8 V 130
2024-12-01 16:53:32 B 22 02 57.85 +17 23 23.6 V 130
2024-12-01 16:58:35 B 22 02 59.05 +17 23 28.6 V 130
2024-12-02 01:46:40 C 22 05 03.926 +17 33 01.76 V 703
2024-12-02 01:53:14 C 22 05 05.456 +17 33 09.07 V 703
2024-12-02 01:56:32 C 22 05 06.191 +17 33 12.10 V 703
2024-12-03 02:39:58 C 22 10 53.306 +17 59 06.47 V 703
2024-12-03 02:43:13 C 22 10 54.030 +17 59 10.64 V 703
2024-12-03 02:46:28 C 22 10 54.757 +17 59 13.99 V 703
2024-12-03 02:49:44 C 22 10 55.499 +17 59 16.84 V 703
2024-12-03 05:29:57 C 22 11 32.690 +18 02 03.81 X F52
2024-12-03 05:48:23 C 22 11 36.892 +18 02 22.41 X F52
2024-12-03 06:06:49 C 22 11 41.104 +18 02 41.10 X F52
2024-12-04 01:46:17 C 22 16 12.572 +18 22 20.46 V G96
2024-12-04 01:56:11 C 22 16 14.804 +18 22 30.18 V G96
2024-12-04 02:04:28 C 22 16 16.684 +18 22 38.35 V G96
2024-12-04 02:12:43 C 22 16 18.520 +18 22 46.34 V G96
2024-12-04 02:14:20 C 22 16 18.851 +18 22 46.27 V 703
2024-12-04 02:17:40 C 22 16 19.596 +18 22 51.74 V 703
2024-12-04 02:21:00 C 22 16 20.363 +18 22 54.44 V 703
2024-12-07 02:12:31 C 22 32 20.011 +19 29 13.16 V G96
2024-12-07 02:20:42 C 22 32 21.761 +19 29 20.33 V G96
2024-12-07 02:28:53 C 22 32 23.507 +19 29 27.35 V G96
2024-12-07 02:37:03 C 22 32 25.246 +19 29 34.19 V G96
2024-12-07 02:41:14 C 22 32 26.077 +19 29 38.22 V 703
2024-12-07 02:47:04 C 22 32 27.319 +19 29 43.08 V 703
2024-12-07 02:50:22 C 22 32 27.985 +19 29 46.03 V 703
2024-12-07 02:53:41 C 22 32 28.792 +19 29 48.80 V 703
2024-12-08 02:09:37 C 22 37 29.082 +19 49 29.60 V 703
2024-12-08 02:12:56 C 22 37 29.824 +19 49 31.19 V 703