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
2024-11-02 06:16:40 C 23 14 39.071 -20 31 34.69 X F51
2024-11-02 06:31:35 C 23 14 39.085 -20 31 32.83 X F51
2024-11-02 06:46:30 C 23 14 39.103 -20 31 30.93 X F51
2024-12-03 01:57:15 C 23 29 14.694 -17 31 40.55 V G96
2024-12-03 02:05:25 C 23 29 14.928 -17 31 37.34 V G96
2024-12-03 02:13:34 C 23 29 15.212 -17 31 35.40 V G96
2024-12-03 02:21:44 C 23 29 15.407 -17 31 32.56 V G96
2025-10-21 14:22:50 C 07 54 40.755 +06 08 39.94 X F52
2025-10-21 14:43:08 C 07 54 41.903 +06 08 33.79 X F52
2025-10-21 14:53:22 C 07 54 42.492 +06 08 30.90 X F52
2025-10-29 11:03:04 C 08 05 19.446 +05 11 37.97 V G96
2025-10-29 11:10:28 C 08 05 19.828 +05 11 35.52 V G96
2025-10-29 11:17:54 C 08 05 20.224 +05 11 33.32 V G96
2025-11-25 13:21:11 C 08 35 28.359 +01 54 56.76 X F51
2025-11-25 13:38:29 C 08 35 28.956 +01 54 51.99 X F51
2025-11-25 13:48:40 C 08 35 29.285 +01 54 48.74 V T08
2025-11-25 13:53:17 C 08 35 29.448 +01 54 48.74 V T08
2025-11-25 13:55:54 C 08 35 29.556 +01 54 47.18 X F51
2025-11-25 14:01:11 C 08 35 29.695 +01 54 46.01 V T08
2025-11-25 14:09:44 C 08 35 30.041 +01 54 43.42 V T08
2025-11-25 14:13:26 C 08 35 30.159 +01 54 42.33 X F51
2025-11-29 02:07:56 C 08 38 25.025 +01 32 02.18 V R17
2025-11-29 02:28:19 C 08 38 25.673 +01 31 56.78 V R17
2025-11-29 02:48:43 C 08 38 26.280 +01 31 51.20 V R17
2025-11-29 03:09:06 C 08 38 26.940 +01 31 46.56 V R17
2025-12-01 12:09:16 C 08 40 15.922 +01 17 12.26 V T08
2025-12-01 12:17:52 C 08 40 16.166 +01 17 09.49 V T08
2025-12-01 12:26:26 C 08 40 16.414 +01 17 07.62 V T08
2025-12-01 12:27:45 C 08 40 16.423 +01 17 07.80 V T08
2025-12-01 12:30:23 C 08 40 16.450 +01 17 06.61 V T08
2025-12-01 12:34:20 C 08 40 16.639 +01 17 06.07 V T08
2025-12-01 12:34:59 C 08 40 16.663 +01 17 05.46 V T08
2025-12-01 12:41:35 C 08 40 16.802 +01 17 04.02 V T08
2025-12-02 11:38:04 C 08 40 58.098 +01 11 22.13 V G96
2025-12-02 11:45:28 C 08 40 58.307 +01 11 20.33 V G96
2025-12-02 11:52:52 C 08 40 58.516 +01 11 18.49 V G96
2025-12-02 12:00:17 C 08 40 58.721 +01 11 16.73 V G96
2025-12-12 11:32:38 C 08 46 45.426 +00 21 00.47 V G96
2025-12-12 11:40:06 C 08 46 45.538 +00 20 59.32 V G96
2025-12-12 11:47:36 C 08 46 45.667 +00 20 58.02 V G96
2025-12-12 11:55:05 C 08 46 45.786 +00 20 56.69 V G96
2025-12-12 13:32:54 C 08 46 47.736 +00 20 41.91 X F52
2025-12-12 13:51:46 C 08 46 48.029 +00 20 38.75 X F52
2025-12-12 14:10:36 C 08 46 48.323 +00 20 35.58 X F52
2025-12-12 14:29:26 C 08 46 48.614 +00 20 32.42 X F52
2025-12-13 11:50:51 C 08 47 11.256 +00 17 03.37 V T08
2025-12-13 11:52:50 C 08 47 11.268 +00 17 03.41 V T08
2025-12-13 11:55:28 C 08 47 11.311 +00 17 02.69 V T08
2025-12-13 12:02:04 C 08 47 11.405 +00 17 01.72 V T08
2025-12-13 12:05:21 C 08 47 11.453 +00 17 01.10 V T08