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
2009-02-23 05:00:05 C 06 45 23.83 +21 10 14.9 19.0 c 704
2009-02-23 05:17:00 C 06 45 21.61 +21 09 31.5 19.1 c 704
2009-02-23 06:06:40 C 06 45 14.87 +21 07 24.6 19.1 c 704
2009-07-17 18:52:14 C 23 00 50.04 -47 32 13.2 r E12
2009-07-31 15:41:56 C 21 20 24.12 -34 16 53.0 c D21
2009-07-31 15:45:13 C 21 20 23.29 -34 16 44.7 c D21
2009-07-31 15:48:33 C 21 20 22.56 -34 16 36.6 c D21
2009-08-01 14:28:10 C 21 15 29.89 -33 19 12.1 r E12
2018-12-07 08:29:28 C 09 28 55.02 +47 31 13.0 u H21
2018-12-07 08:44:33 C 09 28 55.08 +47 31 16.1 u H21
2018-12-07 09:04:38 C 09 28 55.19 +47 31 20.2 u H21
2019-01-23 09:38:39 C 08 03 28.336 +48 31 31.01 U F51
2019-01-23 09:58:42 C 08 03 24.949 +48 31 19.57 U F51
2019-01-23 10:18:42 C 08 03 21.558 +48 31 07.92 U F51
2019-01-23 10:38:40 C 08 03 18.181 +48 30 56.13 U F51
2019-01-25 06:45:54 C 07 55 59.51 +48 02 47.0 V G96
2019-01-25 06:53:34 C 07 55 58.18 +48 02 42.0 V G96
2019-01-25 07:01:17 C 07 55 56.90 +48 02 36.3 V G96
2019-01-25 07:09:39 C 07 55 55.45 +48 02 30.6 V G96
2019-01-25 08:34:24 C 07 55 41.756 +48 01 33.52 U F51
2019-01-25 08:46:12 C 07 55 39.716 +48 01 25.51 U F51
2019-01-25 08:57:44 C 07 55 37.755 +48 01 17.46 U F51
2019-01-27 05:13:50 C 07 48 11.96 +47 28 00.2 V 703
2019-01-27 05:21:31 C 07 48 10.76 +47 27 54.7 V 703
2019-01-27 05:29:13 C 07 48 09.39 +47 27 48.7 V 703
2019-01-27 05:36:55 C 07 48 08.01 +47 27 41.7 V 703
2019-02-08 22:07:41 C 06 59 14.06 +41 26 11.5 q C95
2019-02-08 22:12:50 C 06 59 13.30 +41 26 03.5 q C95
2019-02-08 22:17:59 C 06 59 12.51 +41 25 55.8 q C95
2019-02-11 03:48:35 C 06 51 45.53 +40 00 47.0 V 703
2019-02-11 03:56:20 C 06 51 44.44 +40 00 34.1 V 703
2019-02-11 04:04:06 C 06 51 43.30 +40 00 21.8 V 703
2019-02-11 04:11:52 C 06 51 42.24 +40 00 09.3 V 703
2019-02-11 20:51:50 C 06 49 28.80 +39 32 29.6 V 204
2019-02-11 21:03:29 C 06 49 27.23 +39 32 10.2 V 204
2019-02-11 21:15:08 C 06 49 25.63 +39 31 50.7 V 204
2019-02-28 23:39:09 S 06 10 50.77 +26 38 27.1 L C51
2019-03-01 02:46:55 S 06 10 39.99 +26 32 16.2 L C51
2019-03-01 05:55:58 S 06 10 29.21 +26 26 01.8 L C51
2019-03-01 07:30:13 S 06 10 23.88 +26 22 55.7 L C51
2019-03-01 09:04:17 S 06 10 18.57 +26 19 49.3 L C51
2019-03-01 10:38:32 S 06 10 13.29 +26 16 44.1 L C51
2019-03-01 16:55:21 S 06 09 52.44 +26 04 18.6 L C51
2019-07-02 16:07:24 S 05 10 58.385 -65 00 41.40 L C51
2019-07-02 22:24:02 S 05 09 26.705 -65 20 08.45 L C51
2019-08-08 10:07:32 C 19 34 50.96 -42 03 55.1 V T08
2019-08-08 10:11:33 C 19 34 50.73 -42 03 39.8 V T08
2019-08-08 10:21:37 C 19 34 49.95 -42 03 03.7 V T08
2019-08-08 10:36:53 C 19 34 48.90 -42 02 06.5 V T08
2019-08-20 07:05:13 C 19 25 53.140 -28 11 48.35 U F51