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
2004-03-20 02:45:13 C 04 17 42.15 +18 12 05.3 17.7 c 704
2004-03-20 03:01:18 C 04 17 44.00 +18 12 18.9 18.1 c 704
2004-03-20 03:18:05 C 04 17 45.97 +18 12 32.9 18.1 c 704
2004-03-20 03:34:53 C 04 17 47.96 +18 12 47.8 18.5 c 704
2004-04-02 19:26:54 C 04 59 18.16 +22 33 16.5 o 084
2004-04-04 19:46:47 C 05 05 54.33 +23 08 14.3 o 084
2004-04-05 19:18:53 C 05 09 09.96 +23 24 52.0 o 084
2004-04-06 19:31:08 C 05 12 32.97 +23 41 42.6 o 084
2004-04-07 20:04:22 C 05 16 00.79 +23 58 29.4 o 084
2004-04-08 20:04:29 C 05 19 25.72 +24 14 37.2 o 084
2004-04-09 20:17:23 C 05 22 54.17 +24 30 35.9 c A32
2004-04-09 20:25:28 C 05 22 55.48 +24 30 41.0 c A32
2004-04-09 20:33:32 C 05 22 56.68 +24 30 46.4 c A32
2004-04-13 19:47:49 C 05 36 54.49 +25 30 26.2 o 084
2004-06-05 21:24:14 C 09 10 29.16 +27 49 03.2 r J87
2004-06-05 21:26:21 C 09 10 29.54 +27 49 02.3 r J87
2004-06-05 21:27:25 C 09 10 29.74 +27 49 01.8 r J87
2004-06-19 03:53:53 C 10 02 42.79 +24 58 56.8 d 703
2004-06-19 03:59:12 C 10 02 43.65 +24 58 53.7 d 703
2004-06-19 04:04:34 C 10 02 44.51 +24 58 50.4 d 703
2004-06-19 04:09:54 C 10 02 45.33 +24 58 47.9 d 703
2005-06-29 09:35:54 C 21 34 49.40 -16 29 16.3 19.1 o 644
2005-06-29 09:56:19 C 21 34 48.97 -16 29 22.6 18.8 o 644
2005-06-29 10:01:56 C 21 34 48.79 -16 29 24.0 r 703
2005-06-29 10:11:15 C 21 34 48.57 -16 29 25.9 r 703
2005-06-29 10:16:53 C 21 34 48.48 -16 29 28.2 19.1 o 644
2005-06-29 10:20:33 C 21 34 48.43 -16 29 29.5 r 703
2005-06-29 10:29:52 C 21 34 48.18 -16 29 31.3 r 703
2005-07-04 09:10:24 C 21 31 57.88 -17 05 29.0 19.1 o 644
2005-07-04 09:32:27 C 21 31 57.30 -17 05 35.9 19.0 o 644
2005-07-04 09:59:11 C 21 31 56.54 -17 05 44.4 19.0 o 644
2005-07-07 00:50:17 C 21 30 11.50 -17 26 01.9 c 599
2005-07-07 01:01:25 C 21 30 11.15 -17 26 05.6 c 599
2005-07-07 01:12:33 C 21 30 10.84 -17 26 09.3 c 599
2005-07-07 01:23:39 C 21 30 10.49 -17 26 13.0 c 599
2005-07-18 09:16:24 C 21 20 50.61 -19 01 17.7 19.1 o 644
2005-07-18 09:46:54 C 21 20 49.40 -19 01 28.8 19.2 o 644
2005-07-18 10:25:01 C 21 20 47.89 -19 01 42.9 18.9 o 644
2005-07-26 07:43:32 C 21 12 57.52 -20 11 30.7 19.5 o 644
2005-07-26 08:18:16 C 21 12 55.95 -20 11 43.4 19.5 o 644
2005-07-26 09:02:05 C 21 12 54.00 -20 11 59.6 19.5 o 644
2005-07-31 12:47:51 C 21 07 23.59 -20 57 15.3 r E12
2005-07-31 12:58:28 C 21 07 23.08 -20 57 19.0 r E12
2005-07-31 13:09:46 C 21 07 22.58 -20 57 23.0 r E12
2005-07-31 13:20:40 C 21 07 21.93 -20 57 27.2 r E12
2005-08-02 05:19:20 C 21 05 33.01 -21 11 56.4 18.4 c 704
2005-08-02 05:52:59 C 21 05 31.47 -21 12 08.0 18.8 c 704
2005-08-02 06:10:11 C 21 05 30.71 -21 12 14.1 19.1 c 704
2005-08-06 05:28:04 C 21 01 09.05 -21 45 46.3 19.4 c 704
2005-08-06 05:45:10 C 21 01 08.23 -21 45 51.5 19.2 c 704