11398 (1998 YP11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3890925931 ± 1.26e-02
Semi-major axis (a)1.7209976315 AU ± 6.54e-03
Inclination (i)15.02091781° ± 1.07e+00
Long. of Asc. Node (Ω)144.71297369° ± 5.91e+00
Arg. of Perihelion (ω)74.76867270° ± 6.17e+00
Mean Anomaly (M)281.68217657° ± 4.35e+00
Mean Motion (n)0.4365579156°/day ± 2.49e-03
Perihelion dist (q)1.05137020 AU ± 2.20e-02
Aphelion dist (Q)2.39062506 AU ± 2.35e-02
Orbital Period2.25772171 yr ± 1.29e-02
NGA Modelr2
A24.42027461e-07 AU/d²
Physical Parameters
H (abs. magnitude)16.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.212″
Uncertainty0
Orbit TypeAmor
MOID0.203136 AU
Observations Used3456
Gaia Obs Used159
Oppositions19
Arc Total1983-2026
First Observation Used1983-01-05
Last Observation Used2026-01-12
Observations (3624)
Date Type RA Dec Mag Band Observatory
2017-03-02 00:17:44 n 09 12 53.04 +28 22 31.8 q Z43
2017-03-02 06:24:29 C 09 12 39.65 +28 37 44.4 q H45
2017-03-02 06:25:33 C 09 12 39.60 +28 37 47.0 q H45
2017-03-02 06:26:35 C 09 12 39.55 +28 37 49.5 q H45
2017-03-02 06:27:25 C 09 12 39.52 +28 37 51.6 q H45
2017-03-02 06:28:19 C 09 12 39.48 +28 37 53.8 q H45
2017-03-02 06:29:11 C 09 12 39.45 +28 37 55.9 q H45
2017-03-02 20:10:38 C 09 12 12.04 +29 11 38.3 q Z52
2017-03-02 20:35:32 C 09 12 11.04 +29 12 40.4 q Z52
2017-03-02 21:00:37 C 09 12 10.03 +29 13 42.9 q Z52
2017-03-02 23:39:02 C 09 12 03.53 +29 20 23.9 q Z45
2017-03-02 23:47:11 C 09 12 03.17 +29 20 43.9 q Z45
2017-03-02 23:50:47 C 09 12 03.02 +29 20 52.7 q Z45
2017-03-04 07:53:56 C 09 10 57.00 +30 40 12.3 q H45
2017-03-04 07:55:06 C 09 10 56.96 +30 40 15.1 q H45
2017-03-04 07:56:10 C 09 10 56.92 +30 40 17.7 q H45
2017-03-04 07:57:10 C 09 10 56.89 +30 40 20.2 q H45
2017-03-04 07:58:32 C 09 10 56.83 +30 40 23.5 q H45
2017-03-04 07:59:34 C 09 10 56.79 +30 40 26.0 q H45
2017-03-04 20:44:53 C 09 10 34.21 +31 12 02.0 q 006
2017-03-04 20:48:53 C 09 10 34.08 +31 12 11.9 q 006
2017-03-04 20:52:54 C 09 10 33.91 +31 12 22.2 q 006
2017-03-04 20:58:13 C 09 10 33.69 +31 12 35.3 q 006
2017-03-04 21:02:13 C 09 10 33.56 +31 12 45.1 q 006
2017-03-05 01:44:49 C 09 10 25.05 +31 24 26.8 q W33
2017-03-05 02:01:52 C 09 10 24.38 +31 25 10.6 q W33
2017-03-05 02:19:20 C 09 10 23.71 +31 25 53.1 q W33
2017-03-05 07:20:48 C 09 10 14.32 +31 38 27.1 L T05
2017-03-05 07:38:52 C 09 10 13.59 +31 39 12.2 L T05
2017-03-05 08:09:44 C 09 10 12.32 +31 40 28.9 L T05
2017-03-05 08:31:35 C 09 10 11.43 +31 41 23.1 L T05
2017-03-05 09:08:05 C 09 10 09.92 +31 42 54.1 L T08
2017-03-05 09:25:56 C 09 10 09.19 +31 43 38.0 L T08
2017-03-05 09:43:50 C 09 10 08.50 +31 44 21.8 L T08
2017-03-05 10:01:12 C 09 10 07.76 +31 45 04.7 L T08
2017-03-06 01:10:09 C 09 09 41.82 +32 22 19.3 q I15
2017-03-06 01:13:28 C 09 09 41.69 +32 22 27.6 q I15
2017-03-06 01:16:47 C 09 09 41.57 +32 22 36.0 q I15
2017-03-06 18:49:07 C 09 09 11.37 +33 05 44.2 q Z52
2017-03-06 19:20:09 C 09 09 10.33 +33 07 01.7 q Z52
2017-03-06 19:48:50 C 09 09 09.41 +33 08 13.3 q Z52
2017-03-07 04:31:06 C 09 08 54.52 +33 29 51.1 q G96
2017-03-07 04:37:14 C 09 08 54.30 +33 30 06.4 q G96
2017-03-07 04:43:22 C 09 08 54.08 +33 30 21.6 q G96
2017-03-07 04:49:30 C 09 08 53.85 +33 30 36.7 q G96
2017-03-07 08:34:22 C 09 08 47.28 +33 39 57.9 L T08
2017-03-07 08:55:14 C 09 08 46.50 +33 40 48.5 L T08
2017-03-07 09:14:33 C 09 08 45.79 +33 41 36.1 L T08
2017-03-07 09:35:09 C 09 08 45.03 +33 42 25.7 L T08
2017-03-07 19:12:06 C 09 08 31.27 +34 05 48.4 q 160