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
2009-01-16 07:43:08 C 09 14 36.85 +43 06 00.8 o H55
2009-01-21 08:46:27 C 08 58 27.17 +42 21 57.6 r H45
2009-01-21 08:55:26 C 08 58 25.76 +42 21 52.6 r H45
2009-01-21 08:57:21 C 08 58 25.48 +42 21 52.0 r H45
2009-01-21 08:59:09 C 08 58 25.27 +42 21 51.8 r H45
2009-01-21 09:00:58 C 08 58 24.96 +42 21 50.0 r H45
2009-01-22 08:21:09 C 08 54 57.39 +42 10 00.2 r H45
2009-01-22 08:22:43 C 08 54 57.31 +42 09 59.6 r H45
2009-01-22 08:24:25 C 08 54 57.02 +42 09 58.7 r H45
2009-01-22 08:25:54 C 08 54 56.74 +42 09 57.9 r H45
2009-01-22 08:27:37 C 08 54 56.53 +42 09 57.1 r H45
2009-01-22 08:29:15 C 08 54 56.28 +42 09 56.3 r H45
2009-01-24 13:26:56 C 08 46 43.26 +41 38 18.1 r D29
2009-01-24 13:44:00 C 08 46 40.45 +41 38 07.3 r D29
2009-01-24 14:00:22 C 08 46 37.80 +41 37 57.0 r D29
2009-01-24 14:19:39 C 08 46 34.65 +41 37 44.9 r D29
2009-01-25 17:17:44 C 08 42 11.46 +41 18 42.3 v B15
2009-01-25 17:22:10 C 08 42 10.74 +41 18 39.2 v B15
2009-01-25 17:23:38 C 08 42 10.51 +41 18 38.3 v B15
2009-01-25 17:27:19 C 08 42 09.87 +41 18 35.7 v B15
2009-01-30 03:13:06 C 08 23 55.17 +39 44 43.9 r 703
2009-01-30 03:26:16 C 08 23 52.80 +39 44 30.5 r 703
2009-01-30 03:39:27 C 08 23 50.42 +39 44 17.4 r 703
2009-01-30 03:52:45 C 08 23 48.01 +39 44 03.3 r 703
2009-01-31 06:56:00 C 08 18 53.94 +39 14 28.7 r H45
2009-01-31 06:58:26 C 08 18 53.51 +39 14 25.3 r H45
2009-01-31 07:01:31 C 08 18 52.97 +39 14 22.2 r H45
2009-01-31 07:03:26 C 08 18 52.60 +39 14 20.1 r H45
2009-01-31 07:05:04 C 08 18 52.31 +39 14 18.0 r H45
2009-01-31 07:06:40 C 08 18 52.00 +39 14 16.3 r H45
2009-02-02 06:24:34 C 08 10 12.32 +38 16 43.8 18.3 c 704
2009-02-02 06:41:30 C 08 10 09.18 +38 16 21.9 18.7 c 704
2009-02-02 06:58:48 C 08 10 05.90 +38 15 58.8 19.0 c 704
2009-02-02 07:16:05 C 08 10 02.58 +38 15 36.8 19.0 c 704
2009-02-02 07:33:02 C 08 09 59.35 +38 15 14.0 19.0 c 704
2009-02-04 07:17:05 C 08 01 07.81 +37 09 18.7 r H45
2009-02-04 07:19:26 C 08 01 07.32 +37 09 15.1 r H45
2009-02-04 07:21:43 C 08 01 06.87 +37 09 11.8 r H45
2009-02-04 07:23:49 C 08 01 06.52 +37 09 08.3 r H45
2009-02-04 07:27:27 C 08 01 05.81 +37 09 03.2 r H45
2009-02-04 07:29:15 C 08 01 05.47 +37 09 01.4 r H45
2009-02-04 19:49:35 C 07 58 48.82 +36 50 38.3 r A13
2009-02-04 20:22:14 C 07 58 42.60 +36 49 49.9 r A13
2009-02-09 03:11:25 C 07 39 41.35 +33 57 17.8 o H55
2009-02-09 03:17:11 C 07 39 40.26 +33 57 07.1 o H55
2009-02-09 03:22:53 C 07 39 39.20 +33 56 56.8 o H55
2009-02-11 23:28:26 C 07 27 24.56 +31 43 54.7 v 204
2009-02-11 23:36:01 C 07 27 23.20 +31 43 39.0 v 204
2009-02-11 23:43:35 C 07 27 21.82 +31 43 23.4 v 204
2009-02-11 23:51:08 C 07 27 20.46 +31 43 07.8 v 204