2026 OA4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2026-07-24 (JD 2461245.5)
Eccentricity (e)0.8036299569 ± 4.36e-03
Semi-major axis (a)2.5683379030 AU ± 4.77e-02
Inclination (i)11.69257376° ± 1.02e-01
Long. of Asc. Node (Ω)243.69259240° ± 2.35e-01
Arg. of Perihelion (ω)158.33244450° ± 2.16e-01
Mean Anomaly (M)346.82728099° ± 4.00e-01
Mean Motion (n)0.2394605825°/day ± 6.68e-03
Perihelion dist (q)0.50434462 AU ± 1.46e-02
Aphelion dist (Q)4.63233118 AU ± 8.68e-02
Orbital Period4.11602725 yr ± 1.15e-01
Physical Parameters
H (abs. magnitude)21.27
Orbit Solution
SourceIAA
Solution Date2026-07-28
RMS Residual0.357″
Uncertainty3
Orbit TypeApollo
MOID0.180545 AU
Observations Used47
Oppositions1
Arc Total2026-2026
First Observation Used2026-07-22
Last Observation Used2026-07-27
Observations (47)
Date Type RA Dec Mag Band Observatory
2026-07-22 05:40:33 C 17 57 41.781 +25 21 24.30 U I41
2026-07-22 06:12:03 C 17 57 30.434 +25 23 37.89 U I41
2026-07-22 07:44:39 C 17 56 57.120 +25 30 08.77 U I41
2026-07-23 05:34:51 C 17 49 00.652 +27 03 50.78 U I41
2026-07-23 06:21:37 C 17 48 42.504 +27 07 14.23 U I41
2026-07-23 06:22:18 C 17 48 42.110 +27 07 17.35 U I41
2026-07-23 07:05:32 C 17 48 25.374 +27 10 23.96 U I41
2026-07-23 07:10:10 C 17 48 23.594 +27 10 44.45 U I41
2026-07-23 08:57:40 C 17 47 43.066 +27 18 41.39 X F51
2026-07-23 09:14:42 C 17 47 36.362 +27 19 55.39 X F51
2026-07-23 09:31:30 C 17 47 29.765 +27 21 08.15 X F51
2026-07-23 09:48:44 C 17 47 22.984 +27 22 22.95 X F51
2026-07-24 06:11:56 C 17 39 19.110 +28 51 58.74 U I41
2026-07-24 06:59:58 C 17 38 58.912 +28 55 30.90 U I41
2026-07-24 07:00:38 C 17 38 58.731 +28 55 33.75 U I41
2026-07-24 07:22:40 C 17 38 49.464 +28 57 10.61 U I41
2026-07-24 07:22:56 C 17 38 50.877 +28 57 22.52 V T12
2026-07-24 07:23:39 C 17 38 50.575 +28 57 25.82 V T12
2026-07-24 07:24:23 C 17 38 50.260 +28 57 28.99 V T12
2026-07-24 10:36:54 C 17 37 28.641 +29 11 40.54 V F51
2026-07-24 10:37:35 C 17 37 28.309 +29 11 43.92 V F51
2026-07-24 22:55:39 C 17 32 16.522 +30 06 25.02 W J95
2026-07-24 23:18:58 C 17 32 06.226 +30 08 09.13 W J95
2026-07-24 23:27:52 C 17 32 02.347 +30 08 48.80 W J95
2026-07-25 08:39:47 C 17 27 59.776 +30 50 30.66 V T12
2026-07-25 08:41:30 C 17 27 58.974 +30 50 38.39 V T12
2026-07-25 08:43:13 C 17 27 58.162 +30 50 46.51 V T12
2026-07-25 08:45:48 C 17 27 57.027 +30 50 57.76 V T12
2026-07-25 08:54:02 C 17 27 53.209 +30 51 34.47 V T12
2026-07-25 09:02:25 C 17 27 49.355 +30 52 12.40 V T12
2026-07-25 09:12:18 C 17 27 44.840 +30 52 56.57 V T12
2026-07-25 09:31:21 C 17 27 36.097 +30 54 21.68 V T12
2026-07-25 09:34:43 C 17 27 34.588 +30 54 36.41 V F52
2026-07-25 09:38:28 C 17 27 32.891 +30 54 52.82 V F52
2026-07-25 23:16:47 B 17 21 17.974 +31 56 06.86 X 595
2026-07-25 23:33:14 B 17 21 10.150 +31 57 21.42 X 595
2026-07-26 20:06:13 B 17 11 13.69 +33 30 17.9 X M45
2026-07-26 20:21:02 B 17 11 06.13 +33 31 24.6 X M45
2026-07-26 22:18:32 B 17 10 06.588 +33 40 13.58 W 204
2026-07-26 22:49:32 B 17 09 50.719 +33 42 32.31 W 204
2026-07-27 20:52:23 C 16 58 19.406 +35 21 30.28 W 151
2026-07-27 20:56:58 C 16 58 16.894 +35 21 50.69 W 151
2026-07-27 21:01:25 C 16 58 14.465 +35 22 10.74 W 151
2026-07-27 21:03:29 C 16 58 13.392 +35 22 19.20 W 151
2026-07-27 21:05:29 C 16 58 12.276 +35 22 28.13 W 151
2026-07-27 21:07:29 C 16 58 11.208 +35 22 36.34 W 151
2026-07-27 21:09:29 C 16 58 10.090 +35 22 45.62 W 151