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
2017-11-03 06:30:48 C 20 28 48.59 +38 03 47.7 U T05
2017-11-03 06:42:09 C 20 28 53.41 +38 04 15.1 U T05
2017-11-03 06:54:18 C 20 28 58.55 +38 04 45.2 U T05
2017-11-03 07:08:19 C 20 29 04.45 +38 05 19.1 U T05
2017-11-03 21:14:46 S 20 35 15.463 +38 39 54.72 L C51
2017-11-04 00:23:17 S 20 36 38.350 +38 47 27.92 L C51
2017-11-04 05:06:02 S 20 38 43.013 +38 58 39.83 L C51
2017-11-04 06:40:17 S 20 39 24.670 +39 02 21.19 L C51
2017-11-05 05:00:01 C 20 49 22.04 +39 53 11.8 U T08
2017-11-05 05:25:13 C 20 49 32.95 +39 54 05.8 U T08
2017-11-05 05:38:04 C 20 49 38.57 +39 54 33.3 U T08
2017-11-05 05:41:21 C 20 49 39.99 +39 54 40.3 U T08
2017-11-17 07:51:14 C 23 00 00.03 +44 49 11.6 U T08
2017-11-17 08:06:24 C 23 00 06.13 +44 49 10.5 U T08
2017-11-17 08:17:20 C 23 00 10.48 +44 49 09.3 U T08
2017-11-17 08:33:49 C 23 00 17.08 +44 49 07.9 U T08
2017-11-19 08:35:29 C 23 19 26.86 +44 41 54.5 U T05
2017-11-19 08:47:52 C 23 19 31.50 +44 41 50.2 U T05
2017-11-19 09:02:19 C 23 19 36.99 +44 41 45.4 U T05
2017-11-19 09:11:56 C 23 19 40.61 +44 41 42.0 U T05
2017-11-19 17:18:33 C 23 22 50.78 +44 39 13.7 U 130
2017-11-19 17:22:14 C 23 22 52.25 +44 39 12.9 U 130
2017-11-19 17:27:23 C 23 22 54.11 +44 39 11.5 U 130
2017-11-19 17:32:34 C 23 22 56.13 +44 39 10.3 U 130
2017-11-19 20:11:42 C 23 23 55.75 +44 38 24.2 U J27
2017-11-19 20:17:11 C 23 23 57.78 +44 38 22.3 U J27
2017-11-19 20:26:23 C 23 24 01.21 +44 38 19.5 U J27
2017-11-20 11:15:05 C 23 29 36.70 +44 33 11.8 q D29
2017-11-20 11:35:26 C 23 29 44.06 +44 33 03.9 q D29
2017-11-20 11:55:48 C 23 29 51.41 +44 32 56.3 q D29
2017-11-20 23:20:31 C 23 34 02.64 +44 28 05.9 d Z35
2017-11-20 23:50:34 C 23 34 13.51 +44 27 50.8 d Z35
2017-11-21 00:12:04 C 23 34 21.33 +44 27 39.8 d Z35
2017-11-21 08:17:15 C 23 37 18.35 +44 24 21.7 U T08
2017-11-21 08:29:48 C 23 37 22.74 +44 24 15.1 U T08
2017-11-21 08:39:18 C 23 37 26.10 +44 24 10.0 U T08
2017-11-21 22:12:51 C 23 42 17.73 +44 17 23.3 d Z35
2017-11-21 22:36:33 C 23 42 25.94 +44 17 11.1 d Z35
2017-11-21 22:56:34 C 23 42 32.88 +44 16 58.6 d Z35
2017-11-22 17:48:20 C 23 49 09.85 +44 06 44.0 U G34
2017-11-22 17:50:12 C 23 49 10.47 +44 06 42.5 U G34
2017-11-22 17:52:03 C 23 49 11.18 +44 06 40.7 U G34
2017-11-22 17:53:41 C 23 49 11.66 +44 06 40.9 U G34
2017-11-22 17:55:32 C 23 49 12.32 +44 06 40.4 U G34
2017-11-25 05:00:02 C 00 08 33.99 +43 28 18.8 U 703
2017-11-25 05:10:14 C 00 08 37.10 +43 28 11.1 U 703
2017-11-25 05:20:17 C 00 08 40.18 +43 28 03.6 U 703
2017-11-25 12:43:23 C 00 10 58.64 +43 22 42.3 q D29
2017-11-25 13:03:44 C 00 11 04.73 +43 22 27.0 q D29
2017-11-25 13:24:06 C 00 11 10.81 +43 22 11.5 q D29