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
2024-12-08 02:19:36 C 22 37 31.105 +19 49 37.31 V 703
2024-12-10 02:15:30 C 22 47 34.051 +20 27 36.04 V 703
2024-12-10 02:25:59 C 22 47 35.869 +20 27 43.52 V 703
2024-12-11 03:11:41 C 22 52 39.522 +20 46 03.83 V 703
2024-12-11 03:20:19 C 22 52 41.084 +20 46 11.60 V 703
2024-12-11 03:23:38 C 22 52 41.639 +20 46 15.49 V 703
2024-12-16 07:39:45 C 23 16 45.161 +22 06 59.96 X F52
2024-12-16 07:51:39 C 23 16 47.361 +22 07 07.00 X F52
2024-12-16 08:03:41 C 23 16 49.563 +22 07 13.63 X F52
2024-12-18 06:20:52 C 23 25 15.982 +22 33 01.91 V T05
2024-12-18 06:25:27 C 23 25 16.822 +22 33 04.79 V T05
2024-12-18 06:33:23 C 23 25 18.180 +22 33 08.50 V T05
2024-12-18 06:48:34 C 23 25 20.854 +22 33 17.03 V T05
2024-12-20 03:41:49 C 23 33 16.664 +22 56 20.80 V 703
2024-12-20 03:45:08 C 23 33 17.190 +22 56 23.17 V 703
2024-12-20 03:48:27 C 23 33 17.698 +22 56 23.64 V 703
2024-12-20 03:51:46 C 23 33 18.335 +22 56 25.62 V 703
2024-12-20 06:48:44 C 23 33 49.020 +22 57 54.50 V T08
2024-12-20 06:53:21 C 23 33 49.752 +22 57 57.28 V T08
2024-12-20 07:03:26 C 23 33 51.538 +22 58 01.96 V T08
2024-12-20 07:22:09 C 23 33 54.732 +22 58 11.78 V T08
2024-12-21 03:02:59 C 23 37 18.548 +23 07 41.56 V G96
2024-12-21 03:10:24 C 23 37 19.812 +23 07 45.26 V G96
2024-12-21 03:17:48 C 23 37 21.058 +23 07 48.72 V G96
2024-12-21 03:25:12 C 23 37 22.314 +23 07 52.18 V G96
2024-12-21 04:21:59 C 23 37 31.930 +23 08 18.49 V 703
2024-12-21 04:25:18 C 23 37 32.437 +23 08 19.68 V 703
2024-12-21 04:28:38 C 23 37 33.071 +23 08 21.55 V 703
2024-12-21 04:31:56 C 23 37 33.517 +23 08 22.13 V 703
2024-12-22 03:00:18 C 23 41 22.837 +23 18 53.17 V 703
2024-12-22 03:06:56 C 23 41 23.867 +23 18 57.46 V 703
2024-12-22 03:10:15 C 23 41 24.421 +23 18 57.92 V 703
2024-12-23 07:51:02 C 23 46 11.549 +23 31 48.76 V T08
2024-12-23 07:55:39 C 23 46 12.396 +23 31 50.74 V T08
2024-12-23 08:06:30 C 23 46 14.203 +23 31 55.67 V T08
2024-12-23 08:22:27 C 23 46 16.793 +23 32 02.15 V T08
2024-12-25 06:21:39 C 23 53 47.102 +23 51 26.10 V T05
2024-12-25 06:26:17 C 23 53 47.736 +23 51 27.43 V T05
2024-12-25 06:34:12 C 23 53 49.030 +23 51 30.38 V T05
2024-12-25 06:48:39 C 23 53 51.336 +23 51 36.97 V T05
2024-12-26 05:11:26 C 23 57 25.821 +24 00 33.36 X F51
2024-12-26 05:28:20 C 23 57 28.455 +24 00 39.92 X F51
2024-12-26 05:45:10 C 23 57 31.078 +24 00 46.40 X F51
2024-12-26 06:01:54 C 23 57 33.692 +24 00 52.84 X F51
2024-12-26 06:22:35 C 23 57 36.922 +24 01 00.70 V T05
2024-12-26 06:27:13 C 23 57 37.615 +24 01 02.89 V T05
2024-12-26 06:35:06 C 23 57 38.846 +24 01 05.38 V T05
2024-12-26 06:50:21 C 23 57 41.280 +24 01 11.64 V T05
2024-12-27 05:25:12 C 00 01 14.507 +24 09 53.86 X F52
2024-12-27 05:42:54 C 00 01 17.231 +24 10 00.49 X F52