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
2022-03-23 04:09:41 C 10 51 54.031 -18 43 47.14 V W68
2022-03-23 04:14:17 C 10 51 53.474 -18 43 47.28 V W68
2022-03-23 04:14:56 C 10 51 53.441 -18 43 47.14 V W68
2022-03-23 04:22:27 C 10 51 52.481 -18 43 47.46 V W68
2022-03-23 04:24:31 C 10 51 52.243 -18 43 47.60 V W68
2022-03-23 04:47:50 C 10 51 49.380 -18 43 47.64 V W68
2022-03-23 04:48:29 C 10 51 49.349 -18 43 48.22 V W68
2022-03-24 03:52:04 C 10 49 04.937 -18 43 50.70 V W68
2022-03-24 03:57:55 C 10 49 04.214 -18 43 50.34 V W68
2022-03-24 04:05:26 C 10 49 03.257 -18 43 50.34 V W68
2022-03-24 04:36:56 C 10 48 59.412 -18 43 49.84 V W68
2022-03-25 02:38:44 C 10 46 21.593 -18 43 26.04 V W68
2022-03-25 02:40:43 C 10 46 21.319 -18 43 25.97 V W68
2022-03-25 02:49:53 C 10 46 20.191 -18 43 25.86 V W68
2022-03-25 03:04:54 C 10 46 18.326 -18 43 25.28 V W68
2022-03-28 03:52:32 C 10 37 31.27 -18 39 18.8 V 703
2022-03-28 03:53:35 C 10 37 30.586 -18 39 06.16 V W68
2022-03-28 04:00:05 C 10 37 30.32 -18 39 18.8 V 703
2022-03-28 04:00:46 C 10 37 29.724 -18 39 05.11 V W68
2022-03-28 04:07:39 C 10 37 29.37 -18 39 17.4 V 703
2022-03-28 04:15:13 C 10 37 28.45 -18 39 16.9 V 703
2022-03-28 04:17:08 C 10 37 28.24 -18 39 15.0 V 703
2022-03-28 04:25:28 C 10 37 27.18 -18 39 13.7 V 703
2022-03-28 04:33:47 C 10 37 26.11 -18 39 14.5 V 703
2022-03-28 04:37:52 C 10 37 25.085 -18 39 01.76 V W68
2022-03-28 05:09:52 C 10 37 21.113 -18 38 58.38 V W68
2022-03-29 02:19:50 C 10 34 47.767 -18 36 51.77 V W68
2022-03-29 02:21:48 C 10 34 47.520 -18 36 51.30 V W68
2022-03-29 02:27:06 C 10 34 46.850 -18 36 50.72 V W68
2022-03-29 03:00:48 C 10 34 42.650 -18 36 46.94 V W68
2022-04-01 03:19:14 C 10 25 58.488 -18 26 44.41 V W68
2022-04-01 03:23:10 C 10 25 58.013 -18 26 44.02 V W68
2022-04-01 04:02:48 C 10 25 53.119 -18 26 37.21 V W68
2022-04-01 04:11:14 C 10 25 52.051 -18 26 35.74 V W68
2022-04-02 23:45:41 C 10 20 40.67 -18 18 35.9 V W94
2022-04-02 23:53:47 C 10 20 39.68 -18 18 34.4 V W94
2022-04-03 00:01:54 C 10 20 38.69 -18 18 33.0 V W94
2022-04-05 04:27:46 C 10 14 28.649 -18 07 20.50 U I41
2022-04-05 04:29:09 C 10 14 28.490 -18 07 20.21 U I41
2022-04-05 05:20:18 C 10 14 22.261 -18 07 07.97 V G96
2022-04-05 05:27:43 C 10 14 21.379 -18 07 06.17 V G96
2022-04-05 05:35:09 C 10 14 20.486 -18 07 04.37 V G96
2022-04-05 05:42:35 C 10 14 19.601 -18 07 02.68 V G96
2022-04-05 07:08:06 C 10 14 09.461 -18 06 42.30 U I41
2022-04-05 07:08:49 C 10 14 09.389 -18 06 42.08 U I41
2022-04-06 00:58:44 C 10 12 06.329 -18 02 09.67 V W68
2022-04-06 01:01:21 C 10 12 06.014 -18 02 08.81 V W68
2022-04-06 01:08:31 C 10 12 05.143 -18 02 07.04 V W68
2022-04-06 01:18:54 C 10 12 03.950 -18 02 04.49 V W68
2022-04-06 01:23:29 C 10 12 03.398 -18 02 03.48 V W68