471323 (2011 KW15)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4937118966 ± 2.14e-08
Semi-major axis (a)1.1697728644 AU ± 7.20e-09
Inclination (i)23.65788044° ± 6.65e-06
Long. of Asc. Node (Ω)283.34673223° ± 9.45e-06
Arg. of Perihelion (ω)97.51622894° ± 7.31e-06
Mean Anomaly (M)94.80868432° ± 3.82e-05
Mean Motion (n)0.7790403676°/day ± 7.19e-09
Perihelion dist (q)0.59224208 AU ± 2.53e-08
Aphelion dist (Q)1.74730364 AU ± 2.72e-08
Orbital Period1.26517999 yr ± 1.17e-08
Physical Parameters
H (abs. magnitude)19.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.149″
Uncertainty0
Orbit TypeApollo
MOID0.044566 AU
Observations Used60
Oppositions1
Arc Total2011-2016
First Observation Used2011-05-26
Last Observation Used2016-06-16
Observations (104)
Date Type RA Dec Mag Band Observatory
2011-05-26 19:03:35 C 21 17 58.17 -52 57 57.5 r E12
2011-05-26 19:28:18 C 21 18 02.76 -52 57 52.9 r E12
2011-05-26 19:49:53 C 21 18 06.48 -52 57 42.9 r E12
2011-05-27 14:49:31 C 21 21 44.22 -52 52 00.2 r E12
2011-05-27 15:06:50 C 21 21 47.50 -52 51 55.7 r E12
2011-05-27 15:13:17 C 21 21 48.69 -52 51 53.9 r E12
2011-05-27 19:44:49 C 21 22 38.61 -52 50 35.7 r E12
2011-05-28 06:56:35 C 21 24 50.87 -52 46 49.1 o 807
2011-05-28 07:05:23 C 21 24 52.50 -52 46 46.9 o 807
2011-05-28 07:14:09 C 21 24 54.18 -52 46 44.0 o 807
2011-05-28 15:46:05 C 21 26 35.20 -52 43 42.3 r E12
2011-05-28 15:51:56 C 21 26 36.39 -52 43 40.3 r E12
2011-05-28 15:58:07 C 21 26 37.51 -52 43 38.2 r E12
2011-05-31 08:15:06 C 21 39 57.35 -52 15 47.3 o 807
2011-05-31 08:18:43 C 21 39 58.08 -52 15 45.5 o 807
2011-05-31 08:22:19 C 21 39 58.88 -52 15 43.8 o 807
2011-05-31 08:25:55 C 21 39 59.63 -52 15 42.0 o 807
2011-05-31 08:29:31 C 21 40 00.39 -52 15 40.3 o 807
2011-06-02 12:51:34 C 21 51 56.40 -51 43 59.1 o 474
2011-06-02 12:54:38 C 21 51 57.14 -51 43 56.9 o 474
2011-06-02 12:57:29 C 21 51 57.80 -51 43 55.2 o 474
2011-06-02 13:00:19 C 21 51 58.47 -51 43 53.4 o 474
2011-06-02 16:48:54 C 21 52 52.44 -51 41 27.4 u E12
2011-06-02 16:54:24 C 21 52 53.71 -51 41 23.8 u E12
2011-06-03 08:18:27 C 21 56 37.50 -51 30 06.7 o 807
2011-06-03 08:23:28 C 21 56 38.70 -51 30 03.2 o 807
2011-06-03 08:28:28 C 21 56 39.87 -51 29 59.6 o 807
2011-06-03 08:33:27 C 21 56 41.07 -51 29 55.9 o 807
2011-06-03 08:38:25 C 21 56 42.21 -51 29 52.1 o 807
2011-06-04 08:06:19 C 22 02 36.61 -51 10 37.8 o 807
2011-06-04 08:10:39 C 22 02 37.68 -51 10 34.4 o 807
2011-06-04 08:15:39 C 22 02 38.91 -51 10 30.1 o 807
2011-06-04 08:20:39 C 22 02 40.13 -51 10 25.9 o 807
2011-06-04 08:25:40 C 22 02 41.38 -51 10 21.8 o 807
2011-06-06 18:44:07 C 22 18 32.43 -50 10 19.4 r E12
2011-06-06 18:47:00 C 22 18 33.23 -50 10 15.7 r E12
2011-06-10 20:05:14 C 22 49 39.03 -47 34 04.2 u E12
2011-06-14 08:57:45 C 23 22 52.63 -43 42 44.4 o 807
2011-06-14 09:01:45 C 23 22 54.31 -43 42 30.7 o 807
2011-06-14 09:05:49 C 23 22 56.01 -43 42 16.7 o 807
2011-06-14 09:09:46 C 23 22 57.62 -43 42 03.0 o 807
2011-06-14 09:13:45 C 23 22 59.28 -43 41 49.4 o 807
2011-06-15 08:32:35 C 23 33 17.76 -42 14 19.9 o 807
2011-06-15 08:36:35 C 23 33 19.52 -42 14 04.2 o 807
2011-06-15 08:40:29 C 23 33 21.21 -42 13 48.6 o 807
2011-06-15 09:20:57 C 23 33 38.94 -42 11 07.8 o 807
2011-06-25 18:53:36 C 01 55 38.33 -05 53 42.2 u D90
2011-06-25 19:01:37 C 01 55 43.40 -05 51 53.3 u D90
2011-06-25 19:13:48 C 01 55 51.08 -05 49 09.6 u D90
2011-06-25 19:17:55 C 01 55 53.62 -05 48 14.4 u D90