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
2022-10-31 12:20:26 C 06 44 26.297 +50 50 25.62 V T05
2022-10-31 12:53:10 C 06 44 23.717 +50 50 37.39 V T05
2022-10-31 13:04:18 C 06 44 22.752 +50 50 42.68 V T05
2022-10-31 13:08:51 C 06 44 22.354 +50 50 44.81 V T05
2022-11-02 12:02:25 C 06 40 33.060 +51 07 42.42 V T08
2022-11-02 12:05:05 C 06 40 32.839 +51 07 43.79 V T08
2022-11-02 12:11:11 C 06 40 32.294 +51 07 45.73 V T08
2022-11-02 12:31:48 C 06 40 30.449 +51 07 53.44 V T08
2022-11-14 12:18:43 C 06 09 06.317 +52 17 39.44 V T08
2022-11-14 12:21:22 C 06 09 05.890 +52 17 41.17 V T08
2022-11-14 12:25:24 C 06 09 05.390 +52 17 41.82 V T08
2022-11-14 12:32:45 C 06 09 04.442 +52 17 41.86 V T08
2022-11-16 12:10:22 C 06 02 45.415 +52 21 15.62 V T05
2022-11-16 12:14:56 C 06 02 44.854 +52 21 15.44 V T05
2022-11-16 12:19:30 C 06 02 44.177 +52 21 16.09 V T05
2022-11-16 12:27:22 C 06 02 43.082 +52 21 15.95 V T05
2022-11-22 10:57:15 C 05 42 38.754 +52 14 09.20 V G96
2022-11-22 11:05:42 C 05 42 37.519 +52 14 07.91 V G96
2022-11-22 11:14:09 C 05 42 36.263 +52 14 06.36 V G96
2022-11-22 11:22:37 C 05 42 34.996 +52 14 04.99 V G96
2022-11-22 12:49:21 C 05 42 22.798 +52 13 54.16 V T08
2022-11-22 12:54:00 C 05 42 21.931 +52 13 54.05 V T08
2022-11-22 13:02:00 C 05 42 20.921 +52 13 53.18 V T08
2022-11-22 13:53:09 C 05 42 13.130 +52 13 44.94 V T08
2022-11-23 10:40:36 C 05 39 12.287 +52 10 14.48 V G96
2022-11-23 10:49:02 C 05 39 11.027 +52 10 12.76 V G96
2022-11-23 10:57:25 C 05 39 09.770 +52 10 11.10 V G96
2022-11-23 11:05:48 C 05 39 08.528 +52 10 09.48 V G96
2022-11-24 20:31:26 C 05 34 16.61 +52 03 13.8 V D29
2022-11-24 20:51:48 C 05 34 13.39 +52 03 09.7 V D29
2022-11-30 22:47:48 C 05 13 15.07 +51 14 37.6 X C95
2022-11-30 22:57:57 C 05 13 13.64 +51 14 33.7 X C95
2022-11-30 23:06:59 C 05 13 12.25 +51 14 29.4 X C95
2023-01-20 05:46:01 C 03 58 36.927 +37 56 06.87 U F52
2023-01-20 06:00:53 C 03 58 37.003 +37 55 59.17 U F52
2023-01-20 06:15:49 C 03 58 37.085 +37 55 51.61 U F52
2023-02-13 03:39:00 C 04 12 35.460 +34 12 16.38 V G96
2023-02-13 03:46:25 C 04 12 35.719 +34 12 13.61 V G96
2023-02-13 03:53:49 C 04 12 35.971 +34 12 12.56 V G96
2023-02-13 04:01:15 C 04 12 36.317 +34 12 09.86 V G96
2024-01-13 10:41:51 C 10 52 59.876 +04 08 37.82 V G96
2024-01-13 10:49:19 C 10 52 59.689 +04 08 36.42 V G96
2024-01-13 10:56:46 C 10 52 59.495 +04 08 35.88 V G96
2024-01-13 11:04:15 C 10 52 59.336 +04 08 34.69 V G96
2024-01-20 12:08:16 C 10 48 24.280 +03 57 18.39 X F51
2024-01-20 12:24:23 C 10 48 23.731 +03 57 17.61 X F51
2024-01-20 12:40:33 C 10 48 23.178 +03 57 16.88 X F51
2024-01-20 12:56:42 C 10 48 22.635 +03 57 16.15 X F51
2024-02-14 11:00:34 C 10 17 22.632 +04 22 01.83 X F51
2024-02-14 11:18:54 C 10 17 21.347 +04 22 04.06 X F51