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
2022-05-20 01:30:18 C 09 01 09.374 -12 41 24.76 V W68
2022-05-20 01:38:21 C 09 01 09.113 -12 41 22.56 V W68
2022-05-20 01:53:11 C 09 01 08.717 -12 41 19.90 V W68
2022-05-27 23:20:23 C 08 56 53.196 -12 04 02.24 V W68
2022-05-27 23:25:49 C 08 56 53.090 -12 04 01.49 V W68
2022-05-27 23:35:22 C 08 56 52.824 -12 03 59.94 V W68
2022-05-27 23:50:44 C 08 56 52.447 -12 03 56.84 V W68
2022-08-05 11:48:21 C 05 59 46.200 +31 50 09.10 U I41
2022-08-05 11:51:50 C 05 59 46.130 +31 50 13.99 U I41
2022-08-05 11:58:50 C 05 59 45.970 +31 50 24.40 U I41
2022-08-05 12:02:20 C 05 59 45.900 +31 50 29.29 U I41
2022-09-19 14:22:55 C 06 49 13.090 +44 02 29.40 V T08
2022-09-19 14:58:34 C 06 49 14.705 +44 02 44.34 V T08
2022-09-19 15:07:23 C 06 49 15.094 +44 02 47.90 V T08
2022-09-19 15:10:03 C 06 49 15.163 +44 02 48.70 V T08
2022-09-25 13:31:51 C 06 55 20.858 +44 57 35.03 V T05
2022-09-25 13:40:24 C 06 55 21.235 +44 57 37.91 V T05
2022-09-25 13:44:59 C 06 55 21.413 +44 57 39.71 V T05
2022-09-25 13:59:26 C 06 55 21.922 +44 57 45.94 V T05
2022-10-01 09:29:07 C 06 59 43.292 +45 51 54.36 V 703
2022-10-01 09:45:03 C 06 59 43.624 +45 52 00.98 V 703
2022-10-01 09:53:00 C 06 59 43.840 +45 52 04.51 V 703
2022-10-05 10:13:41 C 07 01 38.291 +46 30 23.98 V 703
2022-10-05 10:21:27 C 07 01 38.374 +46 30 27.36 V 703
2022-10-05 10:29:12 C 07 01 38.564 +46 30 30.35 V 703
2022-10-05 10:36:58 C 07 01 38.636 +46 30 33.62 V 703
2022-10-07 14:41:58 C 07 02 15.492 +46 51 43.27 V T05
2022-10-07 14:48:41 C 07 02 15.576 +46 51 45.40 V T05
2022-10-07 15:11:26 C 07 02 15.535 +46 51 54.90 V T05
2022-10-07 15:16:52 C 07 02 15.667 +46 51 57.46 V T05
2022-10-19 14:15:40 C 06 59 33.960 +48 52 45.66 V T05
2022-10-19 14:18:16 C 06 59 33.890 +48 52 46.42 V T05
2022-10-19 14:26:46 C 06 59 33.679 +48 52 49.80 V T05
2022-10-19 15:01:39 C 06 59 32.419 +48 53 05.39 V T05
2022-10-26 08:04:19 C 06 52 42.730 +50 01 12.36 V 703
2022-10-26 08:12:09 C 06 52 42.272 +50 01 16.18 V 703
2022-10-26 08:19:59 C 06 52 41.894 +50 01 19.16 V 703
2022-10-26 08:27:50 C 06 52 41.340 +50 01 22.08 V 703
2022-10-29 08:02:34 C 06 48 14.965 +50 30 17.42 V 703
2022-10-29 08:10:30 C 06 48 14.407 +50 30 20.59 V 703
2022-10-29 08:18:26 C 06 48 13.842 +50 30 23.58 V 703
2022-10-29 08:26:22 C 06 48 13.324 +50 30 26.71 V 703
2022-10-29 13:08:35 C 06 47 53.666 +50 32 21.44 V T08
2022-10-29 13:12:35 C 06 47 53.287 +50 32 23.57 V T08
2022-10-29 13:16:35 C 06 47 52.910 +50 32 25.73 V T08
2022-10-29 13:50:23 C 06 47 50.472 +50 32 39.26 V T08
2022-10-31 06:56:09 C 06 44 51.608 +50 48 18.54 V G96
2022-10-31 07:03:42 C 06 44 51.007 +50 48 21.64 V G96
2022-10-31 07:11:13 C 06 44 50.420 +50 48 24.70 V G96
2022-10-31 07:18:46 C 06 44 49.830 +50 48 27.61 V G96