5751 Zao (1992 AC)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4253262069 ± 4.74e-09
Semi-major axis (a)2.1014867082 AU ± 1.45e-09
Inclination (i)16.07378815° ± 1.42e-07
Long. of Asc. Node (Ω)121.62648787° ± 6.91e-07
Arg. of Perihelion (ω)25.44038190° ± 1.74e-06
Mean Anomaly (M)23.79115094° ± 4.26e-06
Mean Motion (n)0.3235357714°/day ± 3.34e-10
Perihelion dist (q)1.20766934 AU ± 1.00e-08
Aphelion dist (Q)2.99530408 AU ± 1.02e-08
Orbital Period3.04642136 yr ± 3.15e-09
Physical Parameters
H (abs. magnitude)14.94
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.023″
Uncertainty0
Orbit TypeAmor
MOID0.240308 AU
Observations Used2575
Gaia Obs Used184
Oppositions19
Arc Total1989-2026
First Observation Used1989-03-10
Last Observation Used2026-03-30
Observations (3192)
Date Type RA Dec Mag Band Observatory
2018-10-14 10:44:40 s 1 -193043.07 3 +258609.56 2420.0 C57
2018-10-14 10:57:04 C 00 43 38.48 -21 21 07.3 U T05
2018-10-14 11:11:07 C 00 43 37.80 -21 21 10.2 U T05
2018-10-14 11:14:40 S 00 43 19.759 -21 19 25.21 V C57
2018-10-14 11:14:40 s 1 -193552.00 7 +257177.48 210.0 C57
2018-10-14 11:25:07 C 00 43 37.11 -21 21 13.6 U T05
2018-10-14 11:44:40 S 00 43 18.761 -21 19 32.74 V C57
2018-10-14 11:44:40 s 1 -194053.99 7 +255736.18 1130.0 C57
2018-10-14 14:44:40 S 00 43 10.836 -21 20 08.66 V C57
2018-10-14 14:44:40 s 1 -196916.57 8 +246894.57 2520.0 C57
2018-10-18 10:38:33 C 00 39 14.76 -21 43 40.3 U T05
2018-10-18 10:48:32 C 00 39 14.34 -21 43 43.3 U T05
2018-10-18 10:52:37 C 00 39 14.14 -21 43 44.1 U T05
2018-10-18 11:07:24 C 00 39 13.45 -21 43 47.1 U T05
2018-10-27 06:23:34 C 00 30 15.11 -22 14 04.5 V 703
2018-10-27 06:30:50 C 00 30 14.77 -22 14 04.9 V 703
2018-10-27 06:38:07 C 00 30 14.44 -22 14 05.9 V 703
2018-10-27 06:45:22 C 00 30 14.13 -22 14 05.5 V 703
2018-10-27 12:29:39 C 00 30 00.99 -22 14 32.0 q D29
2018-10-27 12:47:29 C 00 30 00.15 -22 14 34.6 q D29
2018-10-27 13:05:18 C 00 29 59.49 -22 14 36.3 q D29
2018-10-29 05:16:56 C 00 28 27.09 -22 17 06.8 V 703
2018-10-29 05:24:34 C 00 28 26.79 -22 17 07.7 V 703
2018-10-29 05:32:12 C 00 28 26.46 -22 17 07.4 V 703
2018-10-29 05:39:50 C 00 28 26.17 -22 17 07.7 V 703
2018-11-01 10:03:27 C 00 25 41.21 -22 19 14.1 U T08
2018-11-01 10:17:36 C 00 25 40.71 -22 19 15.3 U T08
2018-11-01 10:31:41 C 00 25 40.21 -22 19 14.7 U T08
2018-11-01 10:44:24 C 00 25 39.77 -22 19 15.3 U T08
2018-11-02 03:56:45 C 00 25 05.04 -22 19 15.9 V 703
2018-11-02 04:04:22 C 00 25 04.75 -22 19 15.9 V 703
2018-11-02 04:11:58 C 00 25 04.40 -22 19 15.3 V 703
2018-11-02 04:19:34 C 00 25 04.22 -22 19 15.8 V 703
2018-11-05 09:34:19 C 00 22 36.53 -22 17 06.3 U T08
2018-11-05 09:49:10 C 00 22 36.12 -22 17 06.2 U T08
2018-11-05 10:03:58 C 00 22 35.58 -22 17 05.2 U T08
2018-11-05 10:17:21 C 00 22 35.23 -22 17 04.5 U T08
2018-11-07 09:29:07 C 00 21 13.64 -22 14 06.2 U T05
2018-11-07 09:43:20 C 00 21 13.22 -22 14 04.5 U T05
2018-11-07 09:57:29 C 00 21 12.83 -22 14 02.6 U T05
2018-11-07 10:10:48 C 00 21 12.48 -22 14 01.9 U T05
2018-11-12 12:35:53 C 00 18 13.08 -22 00 40.9 q D29
2018-11-12 12:56:15 C 00 18 12.54 -22 00 37.5 q D29
2018-11-12 13:16:37 C 00 18 12.03 -22 00 35.9 q D29
2018-11-13 08:11:54 C 00 17 48.56 -21 57 46.2 U T08
2018-11-13 08:25:56 C 00 17 48.18 -21 57 44.9 U T08
2018-11-13 08:33:14 C 00 17 48.04 -21 57 45.4 U T08
2018-11-13 08:39:52 C 00 17 47.88 -21 57 44.1 U T08
2018-11-13 08:47:19 C 00 17 47.76 -21 57 44.0 U T08
2018-11-13 08:53:58 C 00 17 47.56 -21 57 42.7 U T08