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
2024-09-22 22:31:03 C 23 39 39.773 -18 07 01.78 V M22
2024-09-22 23:14:33 C 23 39 37.430 -18 07 23.88 V M22
2024-09-22 23:23:41 C 23 39 36.967 -18 07 28.63 V M22
2024-09-26 21:46:34 C 23 34 55.493 -18 50 58.20 V M22
2024-09-26 22:32:45 C 23 34 53.129 -18 51 17.96 V M22
2024-09-26 22:36:40 C 23 34 52.958 -18 51 18.83 V M22
2024-09-26 22:41:17 C 23 34 52.738 -18 51 20.48 V M22
2024-09-26 22:41:56 C 23 34 52.709 -18 51 21.35 V M22
2024-09-26 23:18:42 C 23 34 50.878 -18 51 36.76 V M22
2024-09-26 23:26:34 C 23 34 50.482 -18 51 40.14 V M22
2024-09-29 03:50:28 C 23 32 23.861 -19 12 41.65 V W68
2024-09-29 03:55:06 C 23 32 23.669 -19 12 43.52 V W68
2024-09-29 04:09:28 C 23 32 22.937 -19 12 49.25 V W68
2024-09-29 04:17:57 C 23 32 22.577 -19 12 52.45 V W68
2024-09-30 09:00:06 C 23 31 05.554 -19 23 33.46 X F51
2024-09-30 09:15:12 C 23 31 04.854 -19 23 38.82 X F51
2024-09-30 09:30:15 C 23 31 04.157 -19 23 44.23 X F51
2024-09-30 09:45:21 C 23 31 03.457 -19 23 49.54 X F51
2024-10-02 03:24:27 C 23 29 16.102 -19 37 52.36 V W68
2024-10-02 03:35:36 C 23 29 15.574 -19 37 55.74 V W68
2024-10-02 03:40:12 C 23 29 15.372 -19 37 58.08 V W68
2024-10-02 04:03:43 C 23 29 14.340 -19 38 05.68 V W68
2024-10-03 21:30:06 C 23 27 33.029 -19 50 46.79 V M22
2024-10-03 21:35:16 C 23 27 32.762 -19 50 49.16 V M22
2024-10-03 21:42:43 C 23 27 32.470 -19 50 50.39 V M22
2024-10-03 21:57:13 C 23 27 31.853 -19 50 54.24 V M22
2024-10-04 20:12:15 C 23 26 40.030 -19 57 10.12 V M22
2024-10-04 20:14:51 C 23 26 39.900 -19 57 10.76 V M22
2024-10-04 21:03:30 C 23 26 37.934 -19 57 24.84 V M22
2024-10-04 21:07:28 C 23 26 37.812 -19 57 25.49 V M22
2024-10-07 08:29:22 C 23 24 27.421 -20 12 20.88 X F51
2024-10-07 08:45:16 C 23 24 26.836 -20 12 24.51 X F51
2024-10-07 09:01:23 C 23 24 26.237 -20 12 28.16 X F51
2024-10-07 19:24:34 C 23 24 04.872 -20 14 41.03 V M22
2024-10-07 19:27:11 C 23 24 04.860 -20 14 41.42 V M22
2024-10-07 19:33:07 C 23 24 04.610 -20 14 41.82 V M22
2024-10-07 19:40:21 C 23 24 04.363 -20 14 44.05 V M22
2024-10-08 21:42:25 C 23 23 11.906 -20 20 10.32 V M22
2024-10-08 21:46:48 C 23 23 11.779 -20 20 11.87 V M22
2024-10-08 21:56:07 C 23 23 11.494 -20 20 13.34 V M22
2024-10-08 22:24:57 C 23 23 10.493 -20 20 19.14 V M22
2024-10-09 05:00:22 C 23 22 57.889 -20 21 44.39 V G96
2024-10-09 05:09:09 C 23 22 57.594 -20 21 46.15 V G96
2024-10-09 05:16:36 C 23 22 57.349 -20 21 47.70 V G96
2024-10-09 05:24:04 C 23 22 57.068 -20 21 49.32 V G96
2024-10-11 05:22:38 C 23 21 28.750 -20 30 18.29 V G96
2024-10-11 05:30:52 C 23 21 28.494 -20 30 19.48 V G96
2024-10-11 05:39:07 C 23 21 28.235 -20 30 20.59 V G96
2024-10-11 05:47:21 C 23 21 27.983 -20 30 22.03 V G96
2024-11-02 06:01:44 C 23 14 39.055 -20 31 36.68 X F51