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
2017-01-30 12:42:28 C 09 37 57.92 +05 10 45.2 V G45
2017-01-30 12:51:30 C 09 37 57.73 +05 10 55.0 V G45
2017-01-30 12:58:51 C 09 37 57.57 +05 11 03.0 V G45
2017-01-30 13:05:07 C 09 37 57.45 +05 11 10.0 V G45
2017-01-31 07:46:33 C 09 37 36.80 +05 32 10.5 q 703
2017-01-31 07:53:21 C 09 37 36.64 +05 32 18.2 q 703
2017-01-31 08:00:10 C 09 37 36.47 +05 32 25.9 q 703
2017-01-31 08:07:22 C 09 37 36.30 +05 32 34.3 q 703
2017-01-31 12:02:53 C 09 37 30.55 +05 37 03.9 V G45
2017-01-31 12:15:57 C 09 37 30.23 +05 37 18.7 V G45
2017-01-31 12:26:21 C 09 37 30.66 +05 37 35.7 L T05
2017-01-31 12:28:01 C 09 37 29.97 +05 37 32.6 V G45
2017-01-31 12:34:49 C 09 37 30.43 +05 37 45.4 L T05
2017-01-31 12:38:21 C 09 37 29.76 +05 37 44.8 V G45
2017-01-31 12:47:25 C 09 37 29.54 +05 37 55.0 V G45
2017-01-31 12:52:39 C 09 37 29.99 +05 38 05.8 L T05
2017-01-31 12:54:50 C 09 37 29.38 +05 38 03.9 V G45
2017-01-31 12:59:45 C 09 37 29.80 +05 38 14.1 L T05
2017-01-31 13:03:06 C 09 37 29.20 +05 38 12.9 V G45
2017-01-31 13:17:24 C 09 37 29.36 +05 38 34.4 L T05
2017-01-31 13:20:12 C 09 37 29.31 +05 38 37.7 L T05
2017-01-31 13:36:47 C 09 37 28.88 +05 38 56.7 L T05
2017-01-31 13:42:32 C 09 37 28.72 +05 39 03.4 L T05
2017-02-01 05:10:39 C 09 37 10.85 +05 57 09.5 V G45
2017-02-01 05:10:58 C 09 37 10.81 +05 57 10.1 V G45
2017-02-01 06:07:00 C 09 37 09.40 +05 58 17.0 V G45
2017-02-01 06:07:09 C 09 37 09.39 +05 58 17.3 V G45
2017-02-01 06:57:46 C 09 37 08.06 +05 59 17.7 V G45
2017-02-01 07:02:47 C 09 37 07.95 +05 59 23.8 V G45
2017-02-01 07:51:04 C 09 37 06.66 +06 00 21.6 V G45
2017-02-01 07:54:57 C 09 37 06.56 +06 00 26.3 V G45
2017-02-01 08:44:12 C 09 37 05.24 +06 01 25.4 V G45
2017-02-01 08:47:53 C 09 37 05.15 +06 01 29.6 V G45
2017-02-01 09:50:05 C 09 37 03.51 +06 02 44.3 V G45
2017-02-01 10:40:57 C 09 37 02.19 +06 03 45.1 V G45
2017-02-01 11:28:30 C 09 37 01.00 +06 04 42.2 V G45
2017-02-01 20:40:58 C 09 36 50.42 +06 15 49.6 q G34
2017-02-01 20:45:22 C 09 36 50.29 +06 15 55.6 q G34
2017-02-01 20:49:36 C 09 36 50.20 +06 16 00.6 q G34
2017-02-01 20:53:50 C 09 36 50.06 +06 16 05.6 q G34
2017-02-02 05:25:44 C 09 36 38.56 +06 26 44.7 V G45
2017-02-02 06:31:13 C 09 36 36.78 +06 28 06.6 V G45
2017-02-02 07:27:24 C 09 36 35.22 +06 29 17.1 V G45
2017-02-02 07:27:56 C 09 36 35.23 +06 29 17.7 V G45
2017-02-02 08:19:40 C 09 36 33.73 +06 30 22.5 V G45
2017-02-02 09:13:28 C 09 36 32.24 +06 31 30.0 V G45
2017-02-02 09:13:58 C 09 36 32.22 +06 31 30.6 V G45
2017-02-02 10:06:01 C 09 36 30.79 +06 32 35.7 V G45
2017-02-02 10:11:43 C 09 36 30.65 +06 32 42.7 V G45
2017-02-02 11:48:21 C 09 36 28.04 +06 34 44.2 V G45