IAA RAS IAA Minor Planet Database

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
2019-10-27 13:14:59 C 03 39 52.49 +29 02 39.2 – q D95
2019-10-27 13:17:03 C 03 39 52.40 +29 02 38.8 – q D95
2019-10-29 10:20:25 C 03 38 30.70 +28 57 57.0 – V T08
2019-10-29 10:24:50 C 03 38 30.55 +28 57 56.2 – V T08
2019-10-29 10:36:50 C 03 38 30.17 +28 57 55.1 – V T08
2019-10-29 10:56:27 C 03 38 29.56 +28 57 52.8 – V T08
2019-10-29 22:01:23 C 03 38 08.96 +28 56 32.2 – q B96
2019-10-29 22:06:05 C 03 38 08.79 +28 56 32.9 – q B96
2019-10-29 22:10:48 C 03 38 08.43 +28 56 29.6 – q B96
2019-10-29 22:15:29 C 03 38 08.43 +28 56 29.5 – q B96
2019-10-30 00:51:52 C 03 38 03.51 +28 56 15.3 – q J22
2019-10-30 00:54:50 C 03 38 03.41 +28 56 15.1 – q J22
2019-10-30 01:00:33 C 03 38 03.23 +28 56 14.2 – q J22
2019-10-30 06:29:51 C 03 37 52.72 +28 55 34.2 – V 703
2019-10-30 06:38:09 C 03 37 52.47 +28 55 32.7 – V 703
2019-10-30 06:46:28 C 03 37 52.22 +28 55 31.9 – V 703
2019-10-30 06:54:48 C 03 37 51.94 +28 55 30.6 – V 703
2019-10-31 00:08:28 C 03 37 18.24 +28 53 21.4 – q I81
2019-10-31 00:13:40 C 03 37 18.20 +28 53 22.1 – q I81
2019-10-31 00:18:52 C 03 37 18.26 +28 53 22.1 – q I81
2019-10-31 13:28:49 C 03 36 53.05 +28 51 42.5 – q Q11
2019-10-31 13:47:20 C 03 36 52.44 +28 51 40.1 – q Q11
2019-10-31 13:53:29 C 03 36 52.22 +28 51 39.4 – q Q11
2019-11-02 05:54:27 C 03 35 32.34 +28 46 11.7 – V 703
2019-11-02 06:02:09 C 03 35 32.03 +28 46 10.8 – V 703
2019-11-02 06:09:51 C 03 35 31.75 +28 46 10.0 – V 703
2019-11-02 06:17:34 C 03 35 31.51 +28 46 08.7 – V 703
2019-11-02 09:19:29 C 03 35 25.46 +28 45 44.6 – V T08
2019-11-02 09:24:59 C 03 35 25.24 +28 45 43.7 – V T08
2019-11-02 09:32:53 C 03 35 24.97 +28 45 42.8 – V T08
2019-11-02 09:50:50 C 03 35 24.26 +28 45 40.1 – V T08
2019-11-04 10:22:58 C 03 33 43.85 +28 38 19.0 – V T05
2019-11-04 10:30:38 C 03 33 43.63 +28 38 18.6 – V T05
2019-11-04 10:53:08 C 03 33 42.78 +28 38 14.7 – V T05
2019-11-04 10:57:17 C 03 33 42.55 +28 38 14.0 – V T05
2019-11-05 05:56:05 C 03 33 02.65 +28 35 07.5 – V 703
2019-11-05 06:03:39 C 03 33 02.38 +28 35 06.6 – V 703
2019-11-05 06:11:13 C 03 33 02.09 +28 35 04.9 – V 703
2019-11-05 06:18:47 C 03 33 01.84 +28 35 03.9 – V 703
2019-11-05 08:07:49 C 03 32 57.87 +28 34 47.0 – V G96
2019-11-05 08:15:12 C 03 32 57.60 +28 34 45.8 – V G96
2019-11-05 08:22:34 C 03 32 57.33 +28 34 44.6 – V G96
2019-11-05 08:29:56 C 03 32 57.06 +28 34 43.2 – V G96
2019-11-05 12:38:22 C 03 32 48.47 +28 33 59.9 – q D95
2019-11-05 12:52:43 C 03 32 47.95 +28 33 58.2 – q D95
2019-11-05 13:00:54 C 03 32 47.65 +28 33 57.1 – q D95
2019-11-06 00:11:10 C 03 32 23.53 +28 32 03.8 – q 585
2019-11-06 00:12:11 C 03 32 23.50 +28 32 03.6 – q 585
2019-11-06 00:13:13 C 03 32 23.46 +28 32 03.3 – q 585
2019-11-06 00:14:14 C 03 32 23.41 +28 32 03.0 – q 585