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
2022-02-28 10:43:15 C 11 44 59.292 -16 47 01.20 U F52
2022-02-28 11:14:30 C 11 44 57.027 -16 47 12.82 U F52
2022-02-28 11:30:07 C 11 44 55.892 -16 47 18.60 U F52
2022-03-02 10:52:36 C 11 41 30.20 -17 04 24.3 V T05
2022-03-02 10:55:26 C 11 41 30.03 -17 04 25.9 V T05
2022-03-02 10:59:41 C 11 41 29.67 -17 04 26.4 V T05
2022-03-02 11:31:37 C 11 41 27.14 -17 04 38.2 V T05
2022-03-04 09:36:12 C 11 37 52.11 -17 20 20.5 V 703
2022-03-04 09:43:43 C 11 37 51.50 -17 20 22.2 V 703
2022-03-04 09:51:15 C 11 37 50.89 -17 20 24.5 V 703
2022-03-04 09:58:47 C 11 37 50.29 -17 20 26.7 V 703
2022-03-05 04:02:54 C 11 36 22.574 -17 26 08.48 V W68
2022-03-05 04:06:50 C 11 36 22.260 -17 26 09.35 V W68
2022-03-05 04:38:13 C 11 36 19.584 -17 26 20.44 V W68
2022-03-05 05:19:12 C 11 36 16.116 -17 26 33.32 V W68
2022-03-07 08:23:59 C 11 31 54.83 -17 42 19.7 V 703
2022-03-07 08:32:52 C 11 31 54.01 -17 42 21.7 V 703
2022-03-07 08:41:45 C 11 31 53.16 -17 42 24.7 V 703
2022-03-07 08:50:38 C 11 31 52.42 -17 42 28.8 V 703
2022-03-09 06:56:23 C 11 27 42.33 -17 55 20.3 V G96
2022-03-09 07:04:30 C 11 27 41.55 -17 55 22.5 V G96
2022-03-09 07:12:38 C 11 27 40.77 -17 55 24.6 V G96
2022-03-09 07:20:46 C 11 27 39.99 -17 55 26.8 V G96
2022-03-10 07:54:22 C 11 25 21.03 -18 01 45.7 V 703
2022-03-10 08:02:00 C 11 25 20.36 -18 01 46.6 V 703
2022-03-10 08:09:37 C 11 25 19.53 -18 01 48.9 V 703
2022-03-10 08:17:14 C 11 25 18.79 -18 01 51.3 V 703
2022-03-10 09:58:17 C 11 25 09.40 -18 02 14.7 V T05
2022-03-10 10:02:14 C 11 25 09.03 -18 02 15.9 V T05
2022-03-10 10:08:10 C 11 25 08.45 -18 02 17.7 V T05
2022-03-10 10:32:46 C 11 25 05.99 -18 02 23.3 V T05
2022-03-12 10:49:20 C 11 20 21.77 -18 13 35.5 V T08
2022-03-12 11:39:55 C 11 20 16.50 -18 13 46.6 V T08
2022-03-12 11:52:04 C 11 20 15.24 -18 13 49.6 V T08
2022-03-12 12:28:16 C 11 20 11.54 -18 13 56.4 V T08
2022-03-13 02:15:53 C 11 18 48.583 -18 16 40.22 V W68
2022-03-13 02:54:39 C 11 18 44.525 -18 16 48.22 V W68
2022-03-13 03:15:03 C 11 18 42.427 -18 16 52.36 V W68
2022-03-13 03:39:43 C 11 18 39.768 -18 16 58.22 V W68
2022-03-14 06:42:51 C 11 15 52.20 -18 22 24.5 V 703
2022-03-14 06:58:24 C 11 15 50.59 -18 22 27.3 V 703
2022-03-14 07:06:11 C 11 15 49.65 -18 22 29.2 V 703
2022-03-21 02:01:39 C 10 57 47.60 -18 42 17.1 V W46
2022-03-21 02:18:43 C 10 57 45.58 -18 42 18.3 V W46
2022-03-21 02:29:39 C 10 57 44.26 -18 42 19.0 V W46
2022-03-21 05:20:24 C 10 57 23.726 -18 42 15.62 V W68
2022-03-21 05:24:57 C 10 57 23.225 -18 42 15.80 V W68
2022-03-21 05:34:16 C 10 57 22.130 -18 42 16.56 V W68
2022-03-21 05:48:01 C 10 57 20.465 -18 42 16.88 V W68
2022-03-23 04:07:43 C 10 51 54.295 -18 43 47.60 V W68