1999 RZ31

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6033805159 ± 2.00e+00
Semi-major axis (a)2.5949755622 AU ± 3.00e+00
Inclination (i)2.98408197° ± 4.00e+00
Long. of Asc. Node (Ω)163.10143644° ± 5.00e+00
Arg. of Perihelion (ω)180.01759969° ± 6.00e+00
Mean Anomaly (M)97.18692530° ± 1.07e+00
Mean Motion (n)0.2357808700°/day ± 4.09e-01
Perihelion dist (q)1.02921900 AU ± 5.32e+00
Aphelion dist (Q)4.16069700 AU ± 7.08e+00
Orbital Period4.18018500 yr ± 7.25e+00
Physical Parameters
H (abs. magnitude)23.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.667″
Uncertainty4
Orbit TypeAmor
MOID0.019083 AU
Observations Used42
Oppositions1
Arc Total1999-1999
First Observation Used
Last Observation Used1999-09-21
Observations (44)
Date Type RA Dec Mag Band Observatory
1999-09-07 09:42:58 C 00 51 28.64 +01 35 59.2 17.6 a 704
1999-09-07 09:59:21 C 00 51 50.74 +01 36 50.5 18.1 a 704
1999-09-07 10:15:46 C 00 52 12.89 +01 37 41.6 17.8 a 704
1999-09-07 10:32:07 C 00 52 34.95 +01 38 32.6 17.9 a 704
1999-09-09 09:42:51 C 01 48 14.88 +03 35 46.7 18.1 a 704
1999-09-09 10:02:25 C 01 48 32.24 +03 36 24.6 18.9 a 704
1999-09-09 10:02:32 C 01 48 32.35 +03 36 23.6 18.2 a 704
1999-09-09 10:22:07 C 01 48 49.66 +03 37 01.4 18.3 a 704
1999-09-09 10:22:14 C 01 48 49.74 +03 37 01.3 18.4 a 704
1999-09-09 10:41:39 C 01 49 06.85 +03 37 38.5 18.5 a 704
1999-09-09 10:41:46 C 01 49 06.99 +03 37 38.6 18.1 a 704
1999-09-09 11:01:01 C 01 49 23.93 +03 38 14.3 18.9 a 704
1999-09-09 11:01:07 C 01 49 24.02 +03 38 14.9 18.3 a 704
1999-09-10 02:11:55 C 02 02 53.67 +04 03 46.0 d 046
1999-09-10 02:14:55 C 02 02 56.05 +04 03 50.8 d 046
1999-09-10 02:17:31 C 02 02 58.07 +04 03 54.4 d 046
1999-09-10 02:18:28 C 02 02 58.83 +04 03 56.3 d 046
1999-09-10 02:28:31 C 02 03 06.60 +04 04 12.7 d 046
1999-09-10 02:29:38 C 02 03 07.48 +04 04 14.6 d 046
1999-09-10 02:30:27 C 02 03 08.09 +04 04 16.0 d 046
1999-09-10 23:23:59 C 02 19 04.14 +04 34 03.4 c 611
1999-09-10 23:25:59 C 02 19 05.35 +04 34 06.7 c 611
1999-09-10 23:30:00 C 02 19 07.82 +04 34 12.2 c 611
1999-09-10 23:32:00 C 02 19 09.27 +04 34 16.5 c 611
1999-09-11 01:49:23 C 02 20 36.47 +04 37 13.5 d 046
1999-09-11 01:50:57 C 02 20 37.55 +04 37 15.4 d 046
1999-09-11 01:53:36 C 02 20 39.15 +04 37 19.4 d 046
1999-09-11 01:54:41 C 02 20 39.74 +04 37 20.3 d 046
1999-09-11 01:55:48 C 02 20 40.50 +04 37 21.7 d 046
1999-09-11 09:13:20 C 02 25 32.44 +04 46 21.3 848
1999-09-11 09:15:17 C 02 25 33.53 +04 46 19.6 848
1999-09-11 09:43:03 C 02 25 47.21 +04 47 27.6 19.3 a 704
1999-09-11 10:04:54 C 02 25 59.79 +04 47 51.9 19.6 a 704
1999-09-11 10:27:31 C 02 26 12.73 +04 48 17.9 20.0 a 704
1999-09-11 10:49:05 C 02 26 25.10 +04 48 41.7 19.6 a 704
1999-09-14 12:22:08 C 03 01 21.90 +05 47 04.1 c 658
1999-09-14 12:24:44 C 03 01 22.72 +05 47 05.8 c 658
1999-09-14 12:27:50 C 03 01 23.74 +05 47 08.1 c 658
1999-09-20 11:36:16 C 03 34 19.49 +06 34 34.6 c 658
1999-09-20 11:40:37 C 03 34 20.06 +06 34 36.0 c 658
1999-09-20 11:43:30 C 03 34 20.41 +06 34 36.7 c 658
1999-09-21 09:40:47 C 03 37 20.70 +06 38 26.6 c 658
1999-09-21 09:43:41 C 03 37 21.04 +06 38 27.0 c 658
1999-09-21 09:46:33 C 03 37 21.36 +06 38 27.5 c 658