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
2017-09-28 05:44:01 C 16 43 47.28 -03 27 12.3 L T08
2017-09-28 06:01:28 C 16 43 49.89 -03 26 39.6 L T08
2017-10-15 18:33:31 C 18 02 21.86 +14 13 08.6 q 046
2017-10-15 18:37:25 C 18 02 22.76 +14 13 20.7 q 046
2017-10-15 18:39:03 C 18 02 23.13 +14 13 25.2 q 046
2017-10-15 18:39:51 C 18 02 23.24 +14 13 28.4 q 046
2017-10-15 18:41:38 C 18 02 23.69 +14 13 33.5 q 046
2017-10-16 02:27:37 C 18 04 13.64 +14 38 24.6 U 703
2017-10-16 02:34:54 C 18 04 15.33 +14 38 47.2 U 703
2017-10-16 02:42:06 C 18 04 17.03 +14 39 10.3 U 703
2017-10-16 02:49:19 C 18 04 18.64 +14 39 33.1 U 703
2017-10-17 18:05:05 C 18 13 54.90 +16 46 30.7 q 160
2017-10-17 18:07:40 C 18 13 55.56 +16 46 38.9 q 160
2017-10-17 18:10:27 C 18 13 56.22 +16 46 48.0 q 160
2017-10-18 17:49:48 C 18 19 59.35 +18 05 01.7 q 160
2017-10-18 17:52:49 C 18 20 00.11 +18 05 11.9 q 160
2017-10-18 17:55:52 C 18 20 00.87 +18 05 22.1 q 160
2017-10-18 20:03:39 C 18 20 33.59 +18 12 22.9 S A16
2017-10-18 20:16:38 C 18 20 36.90 +18 13 05.0 S A16
2017-10-18 20:29:38 C 18 20 40.27 +18 13 48.7 S A16
2017-10-18 20:42:38 C 18 20 43.61 +18 14 31.8 S A16
2017-10-18 20:55:39 C 18 20 46.99 +18 15 13.7 S A16
2017-10-20 17:42:56 C 18 32 54.11 +20 46 26.1 q 160
2017-10-20 17:44:55 C 18 32 54.66 +20 46 32.7 q 160
2017-10-20 17:46:54 C 18 32 55.21 +20 46 39.3 q 160
2017-10-22 15:02:08 C 18 46 00.15 +23 21 53.6 q C97
2017-10-22 15:07:20 C 18 46 01.61 +23 22 09.3 q C97
2017-10-22 15:12:35 C 18 46 03.30 +23 22 29.5 q C97
2017-10-22 15:19:22 C 18 46 05.06 +23 22 50.0 q C97
2017-10-23 17:54:48 C 18 54 13.42 +24 54 08.4 q 160
2017-10-23 17:57:37 C 18 54 14.27 +24 54 18.0 q 160
2017-10-23 17:59:38 C 18 54 14.89 +24 54 25.0 q 160
2017-10-24 17:38:21 C 19 01 45.72 +26 15 38.6 U 160
2017-10-24 17:40:15 C 19 01 46.35 +26 15 45.2 U 160
2017-10-24 17:42:13 C 19 01 46.89 +26 15 52.3 U 160
2017-10-24 19:27:08 C 19 02 20.45 +26 21 51.4 U J27
2017-10-24 19:37:09 C 19 02 23.63 +26 22 25.5 U J27
2017-10-24 19:44:32 C 19 02 25.97 +26 22 50.7 U J27
2017-10-30 17:48:16 C 19 53 37.20 +34 07 31.3 q 160
2017-10-30 17:50:17 C 19 53 38.01 +34 07 37.7 q 160
2017-10-30 17:52:16 C 19 53 38.79 +34 07 43.3 q 160
2017-10-31 17:59:16 C 20 03 20.40 +35 19 09.5 U 160
2017-10-31 18:01:16 C 20 03 21.15 +35 19 15.7 U 160
2017-10-31 18:03:16 C 20 03 21.99 +35 19 20.8 U 160
2017-11-01 17:42:32 C 20 13 08.55 +36 26 21.5 U 160
2017-11-01 17:44:28 C 20 13 09.34 +36 26 26.6 U 160
2017-11-01 17:47:20 C 20 13 10.44 +36 26 32.1 U 160
2017-11-03 05:40:29 C 20 28 27.48 +38 01 43.2 U T05
2017-11-03 06:04:31 C 20 28 37.57 +38 02 42.6 U T05
2017-11-03 06:28:49 C 20 28 47.78 +38 03 42.5 U T05