162149 (1998 YQ11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3965435601 ± 1.34e-08
Semi-major axis (a)1.8743296252 AU ± 8.23e-10
Inclination (i)11.93086553° ± 2.10e-06
Long. of Asc. Node (Ω)256.53991892° ± 5.78e-06
Arg. of Perihelion (ω)245.80635025° ± 8.14e-06
Mean Anomaly (M)166.32474788° ± 2.28e-06
Mean Motion (n)0.3840991285°/day ± 2.53e-10
Perihelion dist (q)1.13107628 AU ± 2.51e-08
Aphelion dist (Q)2.61758297 AU ± 2.51e-08
Orbital Period2.56607269 yr ± 1.69e-09
Physical Parameters
H (abs. magnitude)17.51
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.466″
Uncertainty0
Orbit TypeAmor
MOID0.229168 AU
Observations Used2182
Oppositions16
Arc Total1998-2025
First Observation Used1998-12-23
Last Observation Used2025-06-04
Observations (3437)
Date Type RA Dec Mag Band Observatory
2021-11-29 16:33:54 s 1 -142158.87 2 +268073.55 10.0 C57
2021-11-29 16:43:54 S 05 48 18.276 +25 46 20.64 V C57
2021-11-29 16:43:54 s 1 -142389.87 7 +267564.43 6260.0 C57
2021-11-29 16:53:54 S 05 48 18.214 +25 46 07.21 V C57
2021-11-29 16:53:54 s 1 -142620.18 0 +267054.00 9520.0 C57
2021-11-29 17:03:54 S 05 48 17.914 +25 45 55.69 V C57
2021-11-29 17:03:54 s 1 -142849.78 0 +266542.27 9770.0 C57
2021-11-29 17:13:54 S 05 48 18.060 +25 45 46.01 V C57
2021-11-29 17:13:54 s 1 -143078.67 2 +266029.24 7000.0 C57
2021-11-29 17:23:54 S 05 48 17.765 +25 45 32.18 V C57
2021-11-29 17:23:54 s 1 -143306.85 2 +265514.90 1200.0 C57
2021-11-29 17:33:54 S 05 48 17.705 +25 45 22.46 V C57
2021-11-29 17:33:54 s 1 -143534.31 9 +264999.25 2360.0 C57
2021-11-29 17:43:54 S 05 48 17.431 +25 45 10.84 V C57
2021-11-29 17:43:54 s 1 -143761.06 8 +264482.29 450.0 C57
2021-11-29 17:53:54 S 05 48 17.304 +25 44 58.67 V C57
2021-11-29 17:53:54 s 1 -143987.09 6 +263964.02 5470.0 C57
2021-11-29 18:03:54 S 05 48 17.078 +25 44 47.54 V C57
2021-11-29 18:03:54 s 1 -144212.40 0 +263444.43 7400.0 C57
2021-11-29 18:13:54 S 05 48 17.174 +25 44 35.09 V C57
2021-11-29 18:13:54 s 1 -144436.97 6 +262923.54 6230.0 C57
2021-11-29 18:23:54 S 05 48 17.018 +25 44 26.59 V C57
2021-11-29 18:23:54 s 1 -144660.82 1 +262401.32 1940.0 C57
2021-11-29 18:33:54 S 05 48 16.769 +25 44 13.60 V C57
2021-11-29 18:33:54 s 1 -144883.93 2 +261877.79 4520.0 C57
2021-11-29 18:43:54 S 05 48 16.591 +25 44 00.28 V C57
2021-11-29 18:43:54 s 1 -145106.30 4 +261352.94 3970.0 C57
2021-11-29 18:53:54 S 05 48 16.579 +25 43 48.90 V C57
2021-11-29 18:53:54 s 1 -145327.93 6 +260826.77 250.0 C57
2021-11-29 19:03:54 S 05 48 16.373 +25 43 38.46 V C57
2021-11-29 19:03:54 s 1 -145548.82 2 +260299.27 3360.0 C57
2021-11-29 19:13:54 S 05 48 16.315 +25 43 28.34 V C57
2021-11-29 19:13:54 s 1 -145768.96 0 +259770.45 3290.0 C57
2021-11-29 19:23:54 S 05 48 16.090 +25 43 14.95 V C57
2021-11-29 19:23:54 s 1 -145988.34 6 +259240.31 20.0 C57
2021-11-29 19:33:54 S 05 48 16.054 +25 43 05.74 V C57
2021-11-29 19:33:54 s 1 -146206.97 6 +258708.84 3530.0 C57
2021-11-29 19:43:54 S 05 48 15.797 +25 42 53.82 V C57
2021-11-29 19:43:54 s 1 -146424.84 7 +258176.04 3810.0 C57
2021-11-29 19:53:54 S 05 48 15.703 +25 42 41.65 V C57
2021-11-29 19:53:54 s 1 -146641.95 6 +257641.91 850.0 C57
2021-11-29 20:03:54 S 05 48 15.674 +25 42 31.57 V C57
2021-11-29 20:03:54 s 1 -146858.29 9 +257106.45 4640.0 C57
2021-11-29 20:13:54 S 05 48 15.588 +25 42 19.76 V C57
2021-11-29 20:13:54 s 1 -147073.87 1 +256569.65 5140.0 C57
2021-11-29 20:23:54 S 05 48 15.254 +25 42 06.08 V C57
2021-11-29 20:23:54 s 1 -147288.67 1 +256031.52 2370.0 C57
2021-11-29 20:43:54 S 05 48 14.998 +25 41 44.92 V C57
2021-11-29 20:43:54 s 1 -147715.93 4 +254951.24 6890.0 C57
2021-11-29 20:53:54 S 05 48 14.962 +25 41 33.65 V C57