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
2024-12-27 06:00:32 C 00 01 19.936 +24 10 07.00 X F52
2024-12-27 06:18:03 C 00 01 22.631 +24 10 13.50 X F52
2024-12-29 06:27:37 C 00 08 47.194 +24 27 49.03 V T05
2024-12-29 06:35:35 C 00 08 48.434 +24 27 51.59 V T05
2024-12-29 06:39:34 C 00 08 49.030 +24 27 53.82 V T05
2024-12-29 06:57:23 C 00 08 51.756 +24 27 59.62 V T05
2024-12-31 05:52:40 C 00 15 53.287 +24 44 02.40 V T08
2024-12-31 05:57:17 C 00 15 53.974 +24 44 03.52 V T08
2024-12-31 05:57:56 C 00 15 54.005 +24 44 03.44 V T08
2024-12-31 06:08:45 C 00 15 55.577 +24 44 06.43 V T08
2024-12-31 06:23:00 C 00 15 57.698 +24 44 11.47 V T08
2025-01-02 02:06:18 C 00 22 20.561 +24 58 13.44 V G96
2025-01-02 02:14:29 C 00 22 21.731 +24 58 16.03 V G96
2025-01-02 02:22:42 C 00 22 22.919 +24 58 18.66 V G96
2025-01-02 02:30:53 C 00 22 24.067 +24 58 21.00 V G96
2025-01-16 07:29:07 C 01 07 37.183 +26 26 51.32 X F51
2025-01-16 07:39:21 C 01 07 38.442 +26 26 53.38 X F51
2025-01-16 07:49:36 C 01 07 39.665 +26 26 55.71 X F51
2025-01-16 07:53:34 C 01 07 40.154 +26 26 56.53 X F52
2025-01-16 07:59:49 C 01 07 40.927 +26 26 57.70 X F51
2025-01-16 08:04:48 C 01 07 41.535 +26 26 58.99 X F52
2025-01-16 08:16:06 C 01 07 42.913 +26 27 00.98 X F52
2025-01-16 08:27:27 C 01 07 44.304 +26 27 03.58 X F52
2025-01-23 01:49:03 C 01 26 56.692 +27 00 04.00 V G96
2025-01-23 01:57:11 C 01 26 57.592 +27 00 05.69 V G96
2025-01-23 02:05:20 C 01 26 58.524 +27 00 07.38 V G96
2025-01-23 02:13:29 C 01 26 59.442 +27 00 08.60 V G96
2026-01-11 10:19:54 C 09 55 49.386 +14 06 53.63 X F52
2026-01-11 10:37:31 C 09 55 48.633 +14 06 55.39 X F52
2026-01-11 11:12:52 C 09 55 47.112 +14 06 58.51 X F52
2026-01-14 11:20:30 C 09 52 37.207 +14 14 01.75 V G96
2026-01-14 11:27:56 C 09 52 36.894 +14 14 02.94 V G96
2026-01-14 11:42:49 C 09 52 36.145 +14 14 03.80 V G96
2026-01-30 07:36:33 C 09 31 33.791 +15 03 19.84 V G96
2026-01-30 07:43:29 C 09 31 33.269 +15 03 21.28 V G96
2026-01-30 07:57:23 C 09 31 32.524 +15 03 23.40 V G96
2026-02-06 09:18:03 C 09 20 29.350 +15 27 53.03 V G96
2026-02-06 09:25:39 C 09 20 28.806 +15 27 54.14 V G96
2026-02-06 09:33:17 C 09 20 28.244 +15 27 55.84 V G96
2026-02-06 09:40:53 C 09 20 27.704 +15 27 56.41 V G96
2026-02-10 17:08:58 C 09 13 30.553 +15 42 21.46 V D29
2026-02-10 17:29:20 C 09 13 29.274 +15 42 24.04 V D29
2026-02-12 12:51:16 C 09 10 34.317 +15 48 09.74 V D29
2026-02-12 13:11:38 C 09 10 32.899 +15 48 13.04 V D29
2026-02-13 08:58:37 C 09 09 13.096 +15 50 48.23 X F51
2026-02-13 09:17:43 C 09 09 11.800 +15 50 50.66 X F51
2026-02-13 09:36:55 C 09 09 10.483 +15 50 53.24 X F51
2026-02-13 14:42:36 C 09 08 50.021 +15 51 31.22 V D29
2026-02-13 15:02:58 C 09 08 48.614 +15 51 33.58 V D29
2026-03-16 03:32:12 C 08 29 05.658 +16 40 33.24 V G96