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
2011-04-01 03:42:01 C 09 59 25.87 -08 42 45.8 r 703
2011-04-04 04:46:48 C 09 53 15.95 -08 23 09.8 19.0 c 704
2011-04-04 05:04:09 C 09 53 14.44 -08 23 05.0 18.8 c 704
2011-04-04 05:21:22 C 09 53 13.02 -08 23 00.2 18.9 c 704
2011-04-04 05:39:10 C 09 53 11.54 -08 22 55.4 19.0 c 704
2011-04-05 22:46:31 C 09 49 54.72 -08 11 39.6 c A24
2011-04-05 22:55:50 C 09 49 53.98 -08 11 37.2 c A24
2011-04-05 23:09:31 C 09 49 52.80 -08 11 33.6 c A24
2011-04-06 20:52:41 C 09 48 12.55 -08 05 32.8 c A24
2011-04-06 21:06:15 C 09 48 11.50 -08 05 29.2 c A24
2011-04-06 21:15:29 C 09 48 10.76 -08 05 26.5 c A24
2011-04-06 21:39:19 C 09 48 08.92 -08 05 20.1 c A24
2011-04-06 21:48:33 C 09 48 08.20 -08 05 17.4 c A24
2011-04-09 20:48:58 C 09 42 58.06 -07 45 41.0 c A24
2011-04-09 21:02:20 C 09 42 57.10 -07 45 37.2 c A24
2011-04-09 21:11:26 C 09 42 56.45 -07 45 34.7 c A24
2011-04-09 21:34:56 C 09 42 54.78 -07 45 28.1 c A24
2011-04-09 21:44:01 C 09 42 54.14 -07 45 25.5 c A24
2011-04-09 21:57:23 C 09 42 53.19 -07 45 21.0 c A24
2011-05-04 03:16:49 C 09 19 00.91 -05 38 59.6 19.3 c 704
2011-05-04 03:33:08 C 09 19 00.60 -05 38 57.4 19.6 c 704
2011-05-04 03:47:51 C 09 19 00.42 -05 38 54.9 19.7 c 704
2011-05-04 04:02:22 C 09 19 00.14 -05 38 52.6 19.3 c 704
2011-05-04 04:18:40 C 09 18 59.95 -05 38 50.1 19.4 c 704
2011-06-06 08:55:10 C 09 30 44.84 -05 45 38.4 u E12
2011-10-03 04:15:13 C 07 12 45.58 +53 18 08.3 c A24
2011-10-03 04:16:15 C 07 12 45.49 +53 18 08.2 c A24
2011-10-04 02:53:18 C 07 11 42.89 +53 32 44.1 c A24
2011-10-04 02:55:22 C 07 11 42.83 +53 32 45.2 c A24
2011-10-04 03:12:37 C 07 11 41.92 +53 32 56.7 c A24
2011-10-04 03:31:05 C 07 11 40.95 +53 33 09.2 c A24
2011-10-04 03:47:38 C 07 11 40.08 +53 33 19.7 c A24
2011-10-04 03:49:43 C 07 11 39.99 +53 33 22.0 c A24
2011-10-15 10:48:09 C 06 53 35.01 +56 19 46.7 r 703
2011-10-15 10:55:36 C 06 53 34.29 +56 19 51.2 r 703
2011-10-15 11:03:02 C 06 53 33.46 +56 19 54.8 r 703
2011-10-15 11:10:30 C 06 53 32.96 +56 20 00.0 r 703
2011-11-08 08:20:29 C 05 28 17.99 +59 14 51.4 18.0 c 704
2011-11-08 08:57:12 C 05 28 10.49 +59 14 45.8 18.4 c 704
2011-11-08 09:16:51 C 05 28 06.57 +59 14 43.9 18.6 c 704
2011-11-08 09:35:12 C 05 28 02.93 +59 14 41.6 18.5 c 704
2011-11-22 01:39:05 C 04 26 11.88 +56 42 01.6 t 130
2011-11-22 01:41:14 C 04 26 11.51 +56 41 59.9 t 130
2011-11-22 01:43:25 C 04 26 11.12 +56 41 58.5 t 130
2011-11-22 01:45:35 C 04 26 10.77 +56 41 56.8 t 130
2011-12-03 17:43:59 C 03 47 21.64 +52 22 04.8 u C73
2011-12-03 17:48:01 C 03 47 21.15 +52 22 01.5 u C73
2011-12-03 17:52:02 C 03 47 20.69 +52 21 56.6 u C73
2013-01-10 09:57:42 C 10 40 14.77 +06 40 06.6 r G96
2013-01-10 10:09:00 C 10 40 14.48 +06 40 05.5 r G96