457768 (2009 KN4)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5245336245 ± 2.07e-08
Semi-major axis (a)1.9410794606 AU ± 2.51e-09
Inclination (i)9.14006098° ± 3.10e-06
Long. of Asc. Node (Ω)308.19621467° ± 2.25e-05
Arg. of Perihelion (ω)38.34793429° ± 2.21e-05
Mean Anomaly (M)5.37511194° ± 2.91e-06
Mean Motion (n)0.3644578467°/day ± 7.08e-10
Perihelion dist (q)0.92291802 AU ± 4.01e-08
Aphelion dist (Q)2.95924091 AU ± 4.03e-08
Orbital Period2.70436291 yr ± 5.25e-09
Physical Parameters
H (abs. magnitude)18.38
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.320″
Uncertainty0
Orbit TypeApollo
MOID0.011231 AU
Observations Used248
Oppositions15
Arc Total2001-2025
First Observation Used2001-12-18
Last Observation Used2025-05-30
Observations (265)
Date Type RA Dec Mag Band Observatory
2001-12-18 11:55:45 C 08 47 52.06 +23 44 52.6 c 644
2001-12-18 12:10:42 C 08 47 51.22 +23 44 53.4 c 644
2001-12-18 12:25:37 C 08 47 50.34 +23 44 54.1 c 644
2002-01-05 06:08:26 C 08 19 10.38 +24 13 23.9 c 644
2002-01-05 07:40:03 C 08 19 03.19 +24 13 29.4 c 644
2002-01-05 09:30:40 C 08 18 54.46 +24 13 34.7 c 644
2002-01-06 12:08:58 C 08 16 51.38 +24 14 46.8 c 644
2009-05-23 18:48:21 C 20 14 26.01 -38 53 43.1 r E12
2009-05-23 19:07:25 C 20 14 28.86 -38 53 40.2 r E12
2009-05-23 19:26:28 C 20 14 31.74 -38 53 38.4 r E12
2009-05-24 12:38:17 C 20 17 15.69 -38 51 14.0 r E12
2009-05-25 15:06:33 C 20 21 29.75 -38 47 12.0 r E12
2009-05-25 15:19:22 C 20 21 31.75 -38 47 10.1 r E12
2009-05-25 17:59:26 C 20 21 56.89 -38 46 45.3 r E12
2009-05-25 18:04:00 C 20 21 57.66 -38 46 44.4 r E12
2009-05-26 05:15:09 C 20 23 47.62 -38 44 46.1 r I77
2009-05-26 05:22:56 C 20 23 48.92 -38 44 44.8 r I77
2009-05-26 10:25:14 C 20 24 38.25 -38 43 59.5 o H01
2009-05-26 10:29:24 C 20 24 38.90 -38 43 58.6 o H01
2009-05-26 10:33:55 C 20 24 39.63 -38 43 57.9 o H01
2009-05-26 10:39:08 C 20 24 40.46 -38 43 56.9 o H01
2009-05-26 21:01:30 C 20 26 22.97 -38 41 38.1 c D21
2009-05-26 21:06:46 C 20 26 23.73 -38 41 37.1 c D21
2009-05-28 10:46:22 C 20 32 45.79 -38 33 14.8 o H01
2009-05-28 10:52:07 C 20 32 46.74 -38 33 13.3 o H01
2009-05-28 10:57:52 C 20 32 47.69 -38 33 11.7 o H01
2009-05-28 11:09:47 C 20 32 49.67 -38 33 08.9 o H01
2009-05-29 17:35:30 C 20 38 08.59 -38 24 26.1 c D21
2009-05-29 17:40:44 C 20 38 09.46 -38 24 25.3 c D21
2009-05-29 17:46:00 C 20 38 10.26 -38 24 23.9 c D21
2009-06-15 14:26:55 C 22 06 09.789 -33 09 44.84 r E12
2009-06-15 14:30:14 C 22 06 10.66 -33 09 40.2 r E12
2009-06-17 18:52:23 C 22 20 23.74 -31 44 57.6 r E12
2009-06-17 18:56:24 C 22 20 24.81 -31 44 50.4 r E12
2009-06-22 18:59:48 C 22 55 45.30 -27 29 16.5 r E12
2009-06-24 05:38:55 C 23 06 38.35 -25 57 20.0 r I21
2009-06-24 05:55:36 C 23 06 43.57 -25 56 34.8 r I21
2009-06-24 06:14:49 C 23 06 49.56 -25 55 42.6 r I21
2009-06-24 15:15:35 C 23 09 41.95 -25 30 17.6 r E12
2009-06-24 15:18:07 C 23 09 42.76 -25 30 10.1 r E12
2009-06-28 06:17:09 C 23 38 13.76 -20 53 50.9 r I21
2009-06-28 07:58:37 C 23 38 46.99 -20 47 56.3 r I21
2009-06-28 08:07:57 C 23 38 50.04 -20 47 24.1 r I21
2009-07-06 08:38:43 C 00 45 20.15 -07 30 01.5 o H55
2009-07-06 08:40:52 C 00 45 20.87 -07 29 52.4 o H55
2009-07-06 08:42:45 C 00 45 21.52 -07 29 43.2 o H55
2009-07-06 08:44:51 C 00 45 22.22 -07 29 33.5 o H55
2009-07-06 08:46:58 C 00 45 22.96 -07 29 24.1 o H55
2009-07-06 08:49:20 C 00 45 23.56 -07 29 15.5 o H26
2009-07-06 08:51:38 C 00 45 24.40 -07 29 05.1 o H26