2001 YA1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4715503593 ± 3.03e-05
Semi-major axis (a)2.1623238664 AU ± 1.53e-04
Inclination (i)27.97559628° ± 6.45e-04
Long. of Asc. Node (Ω)255.23580316° ± 3.01e-04
Arg. of Perihelion (ω)168.17460778° ± 5.06e-04
Mean Anomaly (M)193.61166533° ± 2.94e-01
Mean Motion (n)0.3099782081°/day ± 3.29e-05
Perihelion dist (q)1.14267927 AU ± 1.04e-04
Aphelion dist (Q)3.18196846 AU ± 2.34e-04
Orbital Period3.17966314 yr ± 3.37e-04
Physical Parameters
H (abs. magnitude)20.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.427″
Uncertainty3
Orbit TypeAmor
MOID0.162677 AU
Observations Used21
Oppositions1
Arc Total2001-2002
First Observation Used2001-12-17
Last Observation Used2002-02-17
Observations (22)
Date Type RA Dec Mag Band Observatory
2001-12-17 01:48:01 C 02 22 35.42 +10 56 09.7 19.5 c 704
2001-12-17 02:10:05 C 02 22 40.05 +10 54 26.0 19.2 c 704
2001-12-17 02:31:55 C 02 22 44.65 +10 52 43.3 20.2 c 704
2001-12-17 02:53:46 C 02 22 49.30 +10 51 00.2 20.2 c 704
2001-12-17 03:15:40 C 02 22 53.90 +10 49 17.3 19.6 c 704
2001-12-18 05:21:47 C 02 28 30.41 +08 48 41.3 c 649
2001-12-18 05:24:45 C 02 28 30.99 +08 48 27.5 c 649
2001-12-18 05:28:36 C 02 28 31.81 +08 48 10.8 c 649
2001-12-19 03:22:15 C 02 33 08.41 +07 10 53.9 19.3 c 704
2001-12-19 04:10:52 C 02 33 18.02 +07 07 21.9 20.1 c 704
2001-12-19 04:32:41 C 02 33 22.35 +07 05 47.2 20.2 c 704
2001-12-19 04:54:33 C 02 33 26.70 +07 04 12.6 20.5 c 704
2002-01-11 12:23:32 C 03 59 12.94 -15 51 17.9 e 413
2002-01-11 12:26:30 C 03 59 13.26 -15 51 21.6 e 413
2002-01-11 12:29:29 C 03 59 13.63 -15 51 24.3 e 413
2002-01-11 12:32:29 C 03 59 13.92 -15 51 27.9 e 413
2002-01-11 12:35:28 C 03 59 14.28 -15 51 30.7 e 413
2002-01-11 12:38:26 C 03 59 14.62 -15 51 34.1 e 413
2002-01-13 12:11:43 C 04 04 42.19 -16 38 07.0 e 413
2002-01-13 12:29:49 C 04 04 44.20 -16 38 24.3 e 413
2002-02-17 08:45:31 C 05 25 30.71 -19 30 10.7 c 568
2002-02-17 08:53:47 C 05 25 31.42 -19 30 09.1 c 568