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
2024-08-16 23:03:55 C 00 22 49.978 -07 29 03.16 V M22
2024-08-16 23:07:49 C 00 22 49.870 -07 29 05.60 V M22
2024-08-24 07:17:21 C 00 16 33.343 -09 47 01.86 V W68
2024-08-24 07:22:06 C 00 16 33.134 -09 47 05.68 V W68
2024-08-24 07:29:59 C 00 16 32.806 -09 47 11.62 V W68
2024-08-24 08:21:48 C 00 16 30.533 -09 47 53.56 V W68
2024-08-27 07:00:16 C 00 13 28.082 -10 44 26.41 V W68
2024-08-27 07:04:49 C 00 13 27.852 -10 44 29.76 V W68
2024-08-27 07:54:59 C 00 13 25.478 -10 45 10.04 V W68
2024-08-27 08:04:10 C 00 13 25.042 -10 45 16.99 V W68
2024-08-28 03:46:05 C 00 12 31.769 -11 01 03.97 V W68
2024-08-28 04:34:20 C 00 12 29.479 -11 01 42.85 V W68
2024-08-28 04:36:55 C 00 12 29.350 -11 01 44.54 V W68
2024-08-28 04:38:52 C 00 12 29.244 -11 01 45.19 V W68
2024-08-28 04:45:21 C 00 12 28.937 -11 01 51.31 V W68
2024-08-29 23:28:03 C 00 10 28.042 -11 35 58.70 V M22
2024-08-29 23:29:21 C 00 10 27.970 -11 35 59.86 V M22
2024-08-29 23:31:56 C 00 10 27.835 -11 36 02.02 V M22
2024-08-29 23:32:35 C 00 10 27.787 -11 36 02.70 V M22
2024-08-29 23:36:29 C 00 10 27.646 -11 36 05.47 V M22
2024-08-29 23:40:23 C 00 10 27.418 -11 36 09.00 V M22
2024-08-29 23:44:16 C 00 10 27.240 -11 36 11.99 V M22
2024-08-31 12:08:12 C 00 08 40.306 -12 05 14.82 V T08
2024-08-31 12:22:36 C 00 08 39.552 -12 05 26.74 V T08
2024-08-31 12:26:50 C 00 08 39.353 -12 05 29.36 V T08
2024-08-31 13:03:37 C 00 08 37.399 -12 05 59.32 V T08
2024-09-02 07:00:19 C 00 06 30.326 -12 38 52.58 V W68
2024-09-02 07:04:51 C 00 06 30.091 -12 38 55.68 V W68
2024-09-02 07:40:01 C 00 06 28.202 -12 39 23.00 V W68
2024-09-02 07:47:29 C 00 06 27.802 -12 39 28.91 V W68
2024-09-03 11:51:49 C 00 05 00.790 -13 01 27.83 X F51
2024-09-03 12:17:13 C 00 04 59.398 -13 01 47.47 X F51
2024-09-03 12:33:40 C 00 04 58.497 -13 02 00.19 X F51
2024-09-03 12:50:06 C 00 04 57.597 -13 02 12.88 X F51
2024-09-04 00:01:33 C 00 04 22.531 -13 10 42.89 V M22
2024-09-04 00:06:08 C 00 04 22.284 -13 10 46.70 V M22
2024-09-04 00:40:13 C 00 04 20.412 -13 11 13.09 V M22
2024-09-04 01:02:18 C 00 04 19.207 -13 11 29.90 V M22
2024-09-04 08:50:25 C 00 03 54.637 -13 17 39.95 V G96
2024-09-04 08:58:34 C 00 03 54.191 -13 17 46.03 V G96
2024-09-04 09:06:43 C 00 03 53.752 -13 17 52.44 V G96
2024-09-04 09:14:51 C 00 03 53.298 -13 17 58.70 V G96
2024-09-05 06:25:32 C 00 02 45.739 -13 33 59.98 V W68
2024-09-05 06:29:53 C 00 02 45.509 -13 34 03.54 V W68
2024-09-05 07:10:02 C 00 02 43.322 -13 34 32.88 V W68
2024-09-05 07:51:16 C 00 02 40.978 -13 35 05.32 V W68
2024-09-05 23:07:40 C 00 01 52.174 -13 46 38.32 V M22
2024-09-05 23:12:14 C 00 01 51.898 -13 46 41.74 V M22
2024-09-05 23:38:58 C 00 01 50.386 -13 47 01.93 V M22
2024-09-06 00:05:42 C 00 01 48.917 -13 47 22.09 V M22