312956 (1997 CZ3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5408658770 ± 4.43e-08
Semi-major axis (a)1.4053306746 AU ± 5.59e-09
Inclination (i)6.61512294° ± 6.20e-06
Long. of Asc. Node (Ω)314.19393316° ± 2.60e-05
Arg. of Perihelion (ω)33.60424854° ± 3.05e-05
Mean Anomaly (M)190.36328590° ± 1.89e-05
Mean Motion (n)0.5916222345°/day ± 3.53e-09
Perihelion dist (q)0.64523527 AU ± 6.23e-08
Aphelion dist (Q)2.16542608 AU ± 6.28e-08
Orbital Period1.66597235 yr ± 9.94e-09
Physical Parameters
H (abs. magnitude)19.49
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.279″
Uncertainty0
Orbit TypeApollo
MOID0.095475 AU
Observations Used175
Oppositions10
Arc Total1997-2022
First Observation Used1997-02-02
Last Observation Used2022-02-22
Observations (187)
Date Type RA Dec Mag Band Observatory
1997-02-02 03:58:11 c 08 29 36.76 +20 19 10.7 i 691
1997-02-02 04:30:50 c 08 29 33.51 +20 19 13.8 i 691
1997-02-02 05:03:10 c 08 29 30.35 +20 19 16.4 i 691
1997-02-03 05:27:28 c 08 27 11.56 +20 21 21.3 i 691
1997-02-03 05:38:52 c 08 27 10.41 +20 21 22.4 i 691
1997-02-03 05:50:28 c 08 27 09.32 +20 21 23.4 i 691
1997-02-04 08:03:33 c 08 24 43.85 +20 23 22.3 i 691
1997-02-04 08:12:37 c 08 24 43.01 +20 23 22.6 i 691
1997-02-04 08:22:09 c 08 24 42.07 +20 23 23.1 i 691
1997-02-05 08:36:03 C 08 22 32.50 +20 25 01.8 c 608
1997-02-05 09:36:22 C 08 22 26.94 +20 25 05.6 c 608
1997-02-07 04:36:40 c 08 18 45.94 +20 27 21.7 i 691
1997-02-07 05:08:39 c 08 18 43.17 +20 27 23.5 i 691
1997-02-07 05:40:37 c 08 18 40.42 +20 27 25.4 i 691
1997-02-11 04:18:33 c 08 11 18.35 +20 30 20.4 i 691
1997-02-11 04:27:25 c 08 11 17.72 +20 30 20.5 i 691
1997-02-11 04:34:21 c 08 11 17.21 +20 30 20.6 i 691
1997-02-12 07:51:29 C 08 09 20.86 +20 30 40.8 i 711
1997-02-12 08:10:58 C 08 09 19.44 +20 30 40.5 i 711
1997-02-14 04:22:26 c 08 06 24.02 +20 30 46.6 i 691
1997-02-14 04:54:51 c 08 06 21.91 +20 30 46.4 i 691
1997-02-14 05:27:07 c 08 06 19.79 +20 30 46.9 i 691
1997-02-24 06:51:31 C 07 54 20.93 +20 23 30.7 z 658
1997-02-24 06:56:32 C 07 54 20.72 +20 23 30.5 z 658
1997-02-24 06:59:00 C 07 54 20.63 +20 23 30.6 z 658
1997-03-04 06:18:56 c 07 49 18.74 +20 11 15.2 i 691
1997-03-04 06:27:20 c 07 49 18.57 +20 11 13.6 i 691
1997-03-04 06:43:33 c 07 49 18.29 +20 11 13.8 i 691
1999-03-22 05:44:22 C 10 40 30.90 +00 47 27.3 n 645
1999-03-22 05:49:09 C 10 40 30.58 +00 47 29.1 n 645
2002-01-11 09:01:42 C 09 31 45.79 +18 08 45.0 d 291
2002-01-11 09:12:13 C 09 31 44.61 +18 08 47.8 d 291
2002-01-11 09:23:08 C 09 31 43.40 +18 08 50.5 d 291
2002-01-12 09:00:18 C 09 29 10.62 +18 15 00.2 d 291
2002-01-12 09:06:37 C 09 29 09.88 +18 15 01.3 d 291
2002-01-12 09:13:44 C 09 29 09.08 +18 15 02.7 d 291
2002-02-09 02:28:35 C 08 19 54.91 +20 07 19.3 d 691
2002-02-09 03:00:19 C 08 19 52.28 +20 07 22.2 d 691
2002-02-09 03:32:01 C 08 19 49.64 +20 07 24.0 d 691
2004-03-23 05:06:26 C 10 39 29.74 +00 49 27.4 o 696
2004-03-23 05:33:46 C 10 39 28.01 +00 49 37.0 o 696
2006-04-25 07:39:13 C 13 02 43.02 -24 12 58.8 o 696
2006-04-25 07:40:27 C 13 02 42.73 -24 12 56.9 o 696
2006-04-25 07:42:54 C 13 02 42.56 -24 12 55.4 o 696
2007-01-27 05:56:55 C 08 52 18.93 +19 18 34.0 o 691
2007-01-27 06:22:28 C 08 52 16.09 +19 18 38.5 o 691
2007-01-27 06:48:24 C 08 52 13.24 +19 18 43.3 o 691
2007-02-21 06:25:43 C 08 03 29.08 +20 01 17.8 r G96
2007-02-21 06:36:18 C 08 03 28.54 +20 01 17.5 r G96
2007-02-21 06:46:52 C 08 03 28.04 +20 01 17.4 r G96