2009 OZ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6418880578 ± 3.57e-08
Semi-major axis (a)2.6765024622 AU ± 1.88e-08
Inclination (i)38.05358032° ± 1.26e-05
Long. of Asc. Node (Ω)140.01637857° ± 4.07e-06
Arg. of Perihelion (ω)240.27839006° ± 1.29e-05
Mean Anomaly (M)246.18031658° ± 1.54e-05
Mean Motion (n)0.2250923863°/day ± 2.38e-09
Perihelion dist (q)0.95848749 AU ± 9.57e-08
Aphelion dist (Q)4.39451743 AU ± 1.00e-07
Orbital Period4.37876331 yr ± 4.62e-08
Physical Parameters
H (abs. magnitude)19.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.335″
Uncertainty0
Orbit TypeApollo
MOID0.147348 AU
Observations Used165
Oppositions10
Arc Total2009-2022
First Observation Used2009-07-25
Last Observation Used2022-08-30
Observations (170)
Date Type RA Dec Mag Band Observatory
2009-07-27 09:03:57 C 22 05 30.52 +13 23 28.9 r H45
2009-07-27 09:05:22 C 22 05 30.62 +13 23 25.9 r H45
2009-07-28 06:26:57 C 22 07 26.45 +12 34 53.9 o H55
2009-07-28 06:29:50 C 22 07 26.69 +12 34 47.0 o H55
2009-07-28 06:32:37 C 22 07 26.94 +12 34 40.4 o H55
2009-07-28 06:35:24 C 22 07 27.17 +12 34 33.7 o H55
2009-07-28 22:15:03 C 22 08 55.57 +11 56 16.3 v 204
2009-07-28 22:18:56 C 22 08 56.11 +11 56 06.6 r B49
2009-07-28 22:24:35 C 22 08 56.46 +11 55 52.2 v 204
2009-07-28 22:33:47 C 22 08 57.28 +11 55 29.1 v 204
2009-07-28 22:34:17 C 22 08 57.62 +11 55 29.3 c J08
2009-07-28 22:37:13 C 22 08 57.80 +11 55 20.5 r B49
2009-07-28 22:53:33 C 22 08 59.30 +11 54 39.9 r B49
2009-07-28 23:29:26 C 22 09 02.65 +11 53 12.3 r J75
2009-07-28 23:48:17 C 22 09 04.35 +11 52 24.5 r J75
2009-07-29 00:06:22 C 22 09 05.65 +11 51 36.4 w 160
2009-07-29 00:07:17 C 22 09 06.03 +11 51 35.7 r J75
2009-07-29 00:10:59 C 22 09 06.06 +11 51 24.9 w 160
2009-07-29 20:50:15 C 22 11 08.48 +10 56 49.7 r A78
2009-07-29 20:57:29 C 22 11 09.20 +10 56 29.5 r A78
2009-07-29 21:04:44 C 22 11 09.89 +10 56 10.3 r A78
2009-07-29 21:11:54 C 22 11 10.53 +10 55 49.6 r A78
2009-07-30 04:02:15 C 22 11 52.25 +10 36 46.8 o H55
2009-07-30 04:12:58 C 22 11 53.31 +10 36 16.6 o H55
2009-07-30 04:15:23 C 22 11 53.54 +10 36 09.7 o H55
2009-07-30 04:19:06 C 22 11 53.91 +10 35 59.2 o H55
2009-07-30 04:21:57 C 22 11 54.18 +10 35 51.2 o H55
2009-07-31 04:29:53 C 22 14 26.96 +09 24 06.0 r H26
2009-07-31 04:32:13 C 22 14 27.23 +09 23 58.4 r H26
2009-07-31 04:34:33 C 22 14 27.51 +09 23 51.5 r H26
2009-07-31 04:36:53 C 22 14 27.63 +09 23 44.1 r H26
2009-07-31 04:41:33 C 22 14 28.15 +09 23 29.4 r H26
2009-08-01 03:58:25 C 22 17 05.29 +08 07 25.3 o H55
2009-08-01 04:01:42 C 22 17 05.66 +08 07 14.2 o H55
2009-08-01 04:04:58 C 22 17 06.02 +08 07 03.0 o H55
2009-08-01 04:11:32 C 22 17 06.75 +08 06 40.8 o H55
2009-08-01 23:14:47 C 22 19 22.23 +06 58 50.3 w 160
2009-08-01 23:16:55 C 22 19 22.46 +06 58 42.4 w 160
2009-08-01 23:19:19 C 22 19 22.75 +06 58 33.2 w 160
2009-08-02 08:07:28 C 22 20 27.81 +06 25 30.8 18.7 c 704
2009-08-02 08:39:26 C 22 20 31.53 +06 23 28.3 19.0 c 704
2009-08-02 08:55:20 C 22 20 33.39 +06 22 26.3 18.8 c 704
2009-08-03 22:42:23 C 22 25 36.05 +03 45 28.5 w J05
2009-08-03 22:45:50 C 22 25 36.51 +03 45 13.1 w J05
2009-08-03 22:52:20 C 22 25 37.37 +03 44 43.8 w J05
2009-08-04 21:50:07 C 22 28 58.41 +01 56 54.2 c 587
2009-08-04 21:52:10 C 22 28 58.71 +01 56 44.4 c 587
2009-08-04 21:54:27 C 22 28 59.04 +01 56 33.0 c 587
2009-08-10 00:30:27 C 22 52 09.84 -10 58 50.0 c J05
2009-08-10 00:47:02 C 22 52 13.62 -11 01 01.1 c J05