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
2020-11-13 12:32:09 C 07 56 02.484 +36 57 28.68 U F52
2020-11-13 12:48:49 C 07 56 02.056 +36 57 32.41 U F52
2020-11-28 06:27:06 C 07 42 18.75 +38 11 33.5 V G96
2020-11-28 06:34:48 C 07 42 18.31 +38 11 35.1 V G96
2020-11-28 06:42:29 C 07 42 17.83 +38 11 37.1 V G96
2020-11-28 06:50:10 C 07 42 17.45 +38 11 38.9 V G96
2020-12-07 11:47:03 C 07 27 54.484 +38 51 34.69 U F52
2020-12-07 12:03:52 C 07 27 53.209 +38 51 37.08 U F52
2020-12-07 12:20:42 C 07 27 51.918 +38 51 39.71 U F52
2020-12-07 12:37:39 C 07 27 50.602 +38 51 42.22 U F52
2020-12-12 11:40:12 C 07 18 30.738 +39 06 51.37 U F51
2020-12-12 11:56:36 C 07 18 29.360 +39 06 53.14 U F51
2020-12-12 12:13:01 C 07 18 27.966 +39 06 54.84 U F51
2020-12-18 09:35:27 C 07 06 19.88 +39 16 25.1 V G96
2020-12-18 09:43:49 C 07 06 19.12 +39 16 25.5 V G96
2020-12-18 09:52:13 C 07 06 18.35 +39 16 25.8 V G96
2020-12-18 10:00:39 C 07 06 17.58 +39 16 25.9 V G96
2021-01-04 08:48:51 C 06 29 54.112 +38 41 41.64 U F52
2021-01-04 09:01:51 C 06 29 52.971 +38 41 39.37 U F52
2022-02-03 11:01:34 C 12 08 14.82 -12 23 56.0 V G96
2022-02-03 11:09:00 C 12 08 14.73 -12 23 59.3 V G96
2022-02-03 11:16:24 C 12 08 14.61 -12 24 02.8 V G96
2022-02-03 11:23:50 C 12 08 14.50 -12 24 06.7 V G96
2022-02-10 10:14:26 C 12 05 07.97 -13 42 11.2 V G96
2022-02-10 10:21:53 C 12 05 07.75 -13 42 14.9 V G96
2022-02-10 10:29:20 C 12 05 07.55 -13 42 18.4 V G96
2022-02-10 10:36:47 C 12 05 07.35 -13 42 21.6 V G96
2022-02-11 14:12:16 C 12 04 22.956 -13 55 03.41 U F52
2022-02-11 14:26:54 C 12 04 22.512 -13 55 10.13 U F52
2022-02-11 14:41:35 C 12 04 22.072 -13 55 16.77 U F52
2022-02-11 14:56:16 C 12 04 21.632 -13 55 23.54 U F52
2022-02-24 12:30:29 C 11 51 02.83 -16 10 30.5 V T08
2022-02-24 12:35:45 C 11 51 02.57 -16 10 33.0 V T08
2022-02-24 12:45:37 C 11 51 01.93 -16 10 35.4 V T08
2022-02-24 13:17:46 C 11 50 59.89 -16 10 49.0 V T08
2022-02-25 06:35:45 C 11 49 57.626 -16 17 36.24 V W68
2022-02-25 06:41:15 C 11 49 57.254 -16 17 39.44 V W68
2022-02-25 07:32:00 C 11 49 54.058 -16 17 58.78 V W68
2022-02-25 07:39:52 C 11 49 53.522 -16 18 01.84 V W68
2022-02-25 08:33:58 C 11 49 50.42 -16 18 32.3 V 703
2022-02-25 08:41:30 C 11 49 49.97 -16 18 36.7 V 703
2022-02-25 08:49:01 C 11 49 49.54 -16 18 38.9 V 703
2022-02-25 08:56:34 C 11 49 49.14 -16 18 42.7 V 703
2022-02-26 10:55:59 C 11 48 11.245 -16 28 52.68 U F52
2022-02-26 11:11:09 C 11 48 10.27 -16 28 58.8 V T05
2022-02-26 11:15:45 C 11 48 09.89 -16 29 00.0 V T05
2022-02-26 11:19:42 C 11 48 09.67 -16 29 02.1 V T05
2022-02-26 11:28:55 C 11 48 08.98 -16 29 05.9 V T05
2022-02-26 11:32:52 C 11 48 08.773 -16 29 07.03 U F52
2022-02-26 11:51:19 C 11 48 07.533 -16 29 14.17 U F52