523972 (1999 CW8)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5979684734 ± 2.82e-08
Semi-major axis (a)2.2374097994 AU ± 4.12e-09
Inclination (i)33.63080970° ± 1.72e-05
Long. of Asc. Node (Ω)316.78441425° ± 6.03e-06
Arg. of Perihelion (ω)262.24499575° ± 1.61e-05
Mean Anomaly (M)341.15817348° ± 1.09e-05
Mean Motion (n)0.2945058815°/day ± 8.13e-10
Perihelion dist (q)0.89950928 AU ± 6.32e-08
Aphelion dist (Q)3.57531032 AU ± 6.35e-08
Orbital Period3.34671171 yr ± 9.24e-09
Physical Parameters
H (abs. magnitude)18.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.434″
Uncertainty0
Orbit TypeApollo
MOID0.235932 AU
Observations Used205
Oppositions14
Arc Total1999-2019
First Observation Used1999-02-12
Last Observation Used2019-09-01
Observations (217)
Date Type RA Dec Mag Band Observatory
1999-02-12 04:39:41 C 08 31 05.79 +14 24 45.8 17.9 a 704
1999-02-12 05:04:53 C 08 30 59.58 +14 23 23.5 18.2 a 704
1999-02-12 05:30:02 C 08 30 53.46 +14 21 59.9 a 704
1999-02-12 05:55:18 C 08 30 47.26 +14 20 36.1 18.1 a 704
1999-02-12 06:20:33 C 08 30 41.11 +14 19 11.8 a 704
1999-02-13 05:10:52 C 08 25 11.52 +13 01 58.7 17.6 a 704
1999-02-13 05:18:15 C 08 25 10.02 +13 01 31.2 z 670
1999-02-13 05:26:14 C 08 25 08.01 +13 01 05.6 z 670
1999-02-13 05:30:56 C 08 25 06.48 +13 00 50.3 18.5 a 704
1999-02-13 05:33:40 C 08 25 05.87 +13 00 39.2 c 713
1999-02-13 05:35:30 C 08 25 05.70 +13 00 33.8 z 670
1999-02-13 05:47:30 C 08 25 02.65 +12 59 50.8 z 670
1999-02-13 05:50:55 C 08 25 01.54 +12 59 41.8 18.2 a 704
1999-02-13 06:04:00 C 08 24 58.40 +12 58 54.6 z 670
1999-02-13 06:05:38 C 08 24 57.72 +12 58 47.9 c 713
1999-02-13 06:11:06 C 08 24 56.48 +12 58 30.2 18.0 a 704
1999-02-13 06:31:14 C 08 24 51.47 +12 57 22.2 17.9 a 704
1999-02-13 12:55:40 C 08 23 18.02 +12 35 36.1 422
1999-02-13 12:58:26 C 08 23 17.34 +12 35 26.6 422
1999-02-13 12:59:28 C 08 23 17.06 +12 35 22.8 422
1999-02-13 13:01:24 C 08 23 16.57 +12 35 16.3 422
1999-02-13 13:12:04 C 08 23 14.26 +12 34 08.7 z 355
1999-02-13 13:13:52 C 08 23 13.80 +12 34 02.2 z 355
1999-02-13 13:20:29 C 08 23 12.13 +12 33 38.8 z 355
1999-02-14 03:18:44 C 08 19 46.87 +11 44 20.9 c 758
1999-02-14 03:33:42 C 08 19 43.39 +11 43 31.8 c 758
1999-02-14 05:04:05 C 08 19 21.43 +11 37 58.4 a 658
1999-02-14 05:09:02 C 08 19 20.17 +11 37 40.5 a 658
1999-02-14 05:14:54 C 08 19 18.71 +11 37 19.5 a 658
1999-02-14 07:21:07 C 08 18 46.40 +11 29 54.2 z 719
1999-02-14 12:42:05 C 08 17 28.32 +11 10 37.3 z 900
1999-02-14 12:56:51 C 08 17 24.07 +11 10 14.2 422
1999-02-14 12:58:07 C 08 17 23.72 +11 10 09.9 422
1999-02-14 12:59:09 C 08 17 23.49 +11 10 05.8 422
1999-02-14 13:36:18 C 08 17 14.40 +11 07 20.1 z 900
1999-02-14 21:35:32 C 08 15 15.86 +10 38 11.0 z 587
1999-02-14 21:38:42 C 08 15 15.06 +10 37 59.7 z 587
1999-02-15 21:27:43 C 08 09 18.38 +09 09 21.7 046
1999-02-15 21:29:24 C 08 09 17.90 +09 09 15.9 046
1999-02-15 21:31:39 C 08 09 17.41 +09 09 07.0 046
1999-02-15 21:33:02 C 08 09 17.04 +09 09 01.7 046
1999-02-15 21:33:59 C 08 09 16.75 +09 08 58.6 046
1999-02-15 21:43:04 C 08 09 14.39 +09 08 24.0 118
1999-02-15 21:44:22 C 08 09 14.03 +09 08 18.8 118
1999-02-15 21:48:11 C 08 09 13.03 +09 08 04.3 118
1999-02-16 02:10:12 C 08 08 08.80 +08 51 38.6 18.1 a 704
1999-02-16 02:41:13 C 08 08 00.88 +08 49 42.9 19.1 a 704
1999-02-16 03:41:48 C 08 07 45.27 +08 45 51.2 17.9 a 704
1999-02-16 04:12:12 C 08 07 37.46 +08 43 54.7 18.2 a 704
1999-02-16 12:39:21 C 08 05 29.44 +08 12 06.4 426