261P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2016-09-02 (JD 2457633.5)
Eccentricity (e)0.4176552663 ± 1.56e-07
Semi-major axis (a)3.5275392809 AU ± 1.26e-07
Inclination (i)6.06075136° ± 4.93e-06
Long. of Asc. Node (Ω)294.65758653° ± 6.22e-05
Arg. of Perihelion (ω)62.20619423° ± 8.98e-05
Mean Anomaly (M)208.47559926° ± 6.33e-06
Mean Motion (n)0.1487662749°/day ± 7.97e-09
Perihelion dist (q)2.05424392 AU ± 5.55e-07
Aphelion dist (Q)5.00083464 AU ± 5.78e-07
Orbital Period6.62533416 yr ± 3.55e-07
NGA Modelg(r)
A14.61724411e-09 ± 2.97e-10 AU/d²
A28.45109204e-10 ± 3.04e-12 AU/d²
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.729″
Uncertainty0
Orbit TypeMBA
MOID1.056033 AU
Observations Used1200
Oppositions18
Arc Total2005-2026
First Observation Used2005-07-03
Last Observation Used2026-01-05
Observations (1278)
Date Type RA Dec Mag Band Observatory
2005-12-01 02:39:41 C 21 51 02.95 -07 26 41.2 r 703
2005-12-01 02:45:58 C 21 51 03.31 -07 26 40.7 r 703
2005-12-02 01:47:57 C 21 52 34.91 -07 18 45.1 c 704
2005-12-02 02:06:44 C 21 52 36.03 -07 18 39.3 c 704
2005-12-02 02:25:34 C 21 52 37.18 -07 18 30.6 c 704
2005-12-02 02:44:20 C 21 52 38.53 -07 18 25.6 c 704
2012-05-22 13:47:51 C 22 37 10.12 -06 53 47.4 r F65
2012-05-22 13:50:37 C 22 37 10.28 -06 53 45.4 r F65
2012-05-22 13:54:17 C 22 37 10.52 -06 53 43.9 r F65
2012-05-25 13:39:23 C 22 41 04.98 -06 21 55.1 r F65
2012-05-25 13:44:45 C 22 41 05.30 -06 21 53.0 r F65
2012-05-25 13:50:07 C 22 41 05.54 -06 21 50.6 r F65
2012-07-23 22:01:19 C 23 32 16.35 +02 58 11.8 v C32
2012-07-23 22:07:59 C 23 32 16.42 +02 58 13.4 v C32
2012-07-23 22:14:28 C 23 32 16.48 +02 58 15.3 v C32
2012-07-26 00:25:36 C 23 32 48.22 +03 12 42.6 u 958
2012-07-26 00:41:26 C 23 32 48.47 +03 12 47.3 u 958
2012-07-26 00:50:13 C 23 32 48.36 +03 12 48.0 u C10
2012-07-26 00:57:16 C 23 32 48.50 +03 12 51.4 u 958
2012-07-26 01:11:47 C 23 32 48.52 +03 12 53.8 u C10
2012-07-27 23:19:08 C 23 33 11.84 +03 25 40.2 u A71
2012-07-27 23:35:21 C 23 33 11.88 +03 25 44.1 u A71
2012-07-27 23:50:34 C 23 33 12.03 +03 25 48.6 u A71
2012-07-27 23:56:42 C 23 33 11.98 +03 25 50.5 u A71
2012-07-30 02:26:57 C 23 33 30.89 +03 39 13.6 u 958
2012-07-30 02:51:50 C 23 33 30.87 +03 39 20.3 u 958
2012-07-30 03:26:58 C 23 33 31.18 +03 39 30.1 u 958
2012-07-30 23:25:48 C 23 33 37.00 +03 44 38.6 u 958
2012-07-30 23:41:39 C 23 33 36.88 +03 44 40.3 u 958
2012-07-30 23:57:28 C 23 33 37.03 +03 44 44.8 u 958
2012-08-08 00:04:26 C 23 33 35.03 +04 28 29.8 u 958
2012-08-08 00:20:15 C 23 33 34.88 +04 28 33.4 u 958
2012-08-08 00:36:06 C 23 33 34.76 +04 28 36.4 u 958
2012-08-08 16:53:13 C 23 33 29.83 +04 31 58.6 u D90
2012-08-08 17:03:49 C 23 33 29.75 +04 32 00.7 u D90
2012-08-08 17:15:48 C 23 33 29.69 +04 32 03.2 u D90
2012-08-09 00:17:26 C 23 33 27.55 +04 33 17.1 u 958
2012-08-09 00:36:25 C 23 33 27.41 +04 33 19.9 u 958
2012-08-09 00:55:26 C 23 33 27.27 +04 33 23.5 u 958
2012-08-10 07:38:02 C 23 33 15.63 +04 39 13.0 o 691
2012-08-10 08:04:29 C 23 33 15.35 +04 39 17.5 o 691
2012-08-10 08:30:05 C 23 33 15.12 +04 39 22.5 o 691
2012-08-11 00:38:19 C 23 33 08.22 +04 42 18.2 w J24
2012-08-11 00:54:05 C 23 33 08.01 +04 42 22.1 w J24
2012-08-11 01:09:48 C 23 33 07.87 +04 42 25.4 w J24
2012-08-11 22:34:55 C 23 32 57.27 +04 46 08.5 r 215
2012-08-11 22:36:46 C 23 32 57.25 +04 46 08.8 r 215
2012-08-11 22:38:36 C 23 32 57.22 +04 46 09.1 r 215
2012-08-14 00:45:15 C 23 32 27.54 +04 54 23.3 u 958
2012-08-14 01:04:18 C 23 32 27.31 +04 54 27.5 u 958