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
2025-12-13 12:17:52 C 08 47 11.626 +00 16 59.52 V T08
2025-12-13 12:27:05 C 08 47 11.772 +00 16 57.97 V T08
2025-12-14 06:41:22 C 08 47 29.554 +00 14 16.01 V W68
2025-12-14 06:43:59 C 08 47 29.566 +00 14 16.40 V W68
2025-12-14 06:51:56 C 08 47 29.669 +00 14 14.96 V W68
2025-12-14 06:59:39 C 08 47 29.760 +00 14 13.70 V W68
2025-12-14 21:46:02 C 08 47 43.654 +00 12 03.92 V M22
2025-12-14 21:50:04 C 08 47 43.726 +00 12 03.24 V M22
2025-12-14 22:40:27 C 08 47 44.371 +00 11 56.22 V M22
2025-12-14 23:20:34 C 08 47 44.921 +00 11 50.21 V M22
2025-12-17 23:56:04 C 08 48 39.982 +00 02 43.40 V M22
2025-12-17 23:59:59 C 08 48 40.058 +00 02 42.58 V M22
2025-12-18 00:42:44 C 08 48 40.399 +00 02 38.65 V M22
2025-12-18 00:51:54 C 08 48 40.464 +00 02 37.32 V M22
2025-12-28 12:59:08 C 08 49 14.838 -00 04 58.07 X F51
2025-12-28 13:17:18 C 08 49 14.664 -00 04 56.96 X F51
2025-12-28 13:35:24 C 08 49 14.500 -00 04 55.90 X F51
2025-12-28 13:53:29 C 08 49 14.326 -00 04 54.80 X F51
2025-12-29 18:58:40 C 08 49 01.502 -00 02 41.17 V P07
2025-12-29 19:53:48 C 08 49 00.833 -00 02 36.31 V P07
2025-12-29 20:16:09 C 08 49 00.590 -00 02 34.55 V P07
2025-12-29 20:40:54 C 08 49 00.286 -00 02 32.39 V P07
2025-12-30 00:14:17 C 08 48 58.903 -00 02 11.94 V M22
2025-12-30 00:16:14 C 08 48 58.865 -00 02 11.83 V M22
2025-12-30 00:23:25 C 08 48 58.783 -00 02 11.00 V M22
2025-12-30 00:34:29 C 08 48 58.658 -00 02 10.18 V M22
2025-12-31 01:58:54 B 08 48 43.637 +00 00 06.73 q Y84
2025-12-31 02:15:19 B 08 48 43.442 +00 00 08.71 q Y84
2025-12-31 02:31:36 B 08 48 43.210 +00 00 10.44 q Y84
2025-12-31 23:27:49 C 08 48 28.93 +00 02 41.9 X G17
2025-12-31 23:46:14 C 08 48 28.67 +00 02 44.1 X G17
2026-01-01 05:30:03 C 08 48 24.350 +00 03 43.38 V W68
2026-01-01 05:51:18 C 08 48 23.995 +00 03 46.51 V W68
2026-01-01 06:06:56 C 08 48 23.750 +00 03 49.00 V W68
2026-01-01 06:12:11 C 08 48 23.662 +00 03 49.93 V W68
2026-01-01 21:57:12 C 08 48 11.177 +00 06 04.90 V M22
2026-01-01 22:01:46 C 08 48 11.182 +00 06 06.08 V M22
2026-01-01 22:09:42 C 08 48 11.040 +00 06 07.02 V M22
2026-01-01 22:19:32 C 08 48 10.913 +00 06 08.60 V M22
2026-01-05 14:42:29 B 08 46 37.826 +00 23 13.63 V E41
2026-01-05 14:45:48 B 08 46 37.817 +00 23 16.04 V E41
2026-01-05 14:48:49 B 08 46 37.718 +00 23 17.27 V E41
2026-01-06 14:44:00 B 08 46 06.242 +00 29 17.45 V E41
2026-01-06 14:47:25 B 08 46 06.149 +00 29 19.18 V E41
2026-01-06 14:50:33 B 08 46 06.098 +00 29 19.07 V E41
2026-01-07 10:45:59 C 08 45 37.733 +00 34 35.98 V T05
2026-01-07 10:50:36 C 08 45 37.610 +00 34 37.13 V T05
2026-01-07 10:58:14 C 08 45 37.392 +00 34 39.36 V T05
2026-01-07 11:15:11 C 08 45 36.902 +00 34 44.29 V T05
2026-01-07 20:29:58 C 08 45 23.522 +00 37 37.70 V M22