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
2009-07-06 08:53:56 C 00 45 25.21 -07 28 54.4 o H26
2009-07-06 20:17:42 C 00 49 21.84 -06 35 16.2 w E16
2009-07-06 20:22:25 C 00 49 23.49 -06 34 55.7 w E16
2009-07-14 10:29:39 C 01 51 15.23 +07 23 39.3 o H01
2009-07-14 10:37:41 C 01 51 17.79 +07 24 14.8 o H01
2009-07-14 10:44:41 C 01 51 20.04 +07 24 45.0 o H01
2009-07-14 10:50:32 C 01 51 21.92 +07 25 10.5 o H01
2009-07-24 09:32:36 C 03 03 11.13 +21 51 18.6 o H01
2009-07-24 09:39:55 C 03 03 13.12 +21 51 39.9 o H01
2009-07-24 09:45:56 C 03 03 14.74 +21 51 57.2 o H01
2009-09-18 11:18:53 C 07 02 11.76 +38 18 40.3 r 703
2009-09-18 11:30:07 C 07 02 12.94 +38 18 38.8 r 703
2009-09-18 11:41:34 C 07 02 14.42 +38 18 38.1 r 703
2009-09-18 11:52:48 C 07 02 15.54 +38 18 38.1 r 703
2009-09-29 10:03:02 C 07 29 04.16 +37 40 53.0 19.5 c 704
2009-09-29 10:20:46 C 07 29 05.69 +37 40 50.2 20.4 c 704
2009-09-29 11:14:17 C 07 29 10.39 +37 40 41.5 20.2 c 704
2009-10-18 10:52:07 C 08 01 16.12 +36 27 09.6 19.8 c 704
2009-10-18 11:11:28 C 08 01 17.07 +36 27 07.1 19.7 c 704
2009-10-18 11:30:32 C 08 01 17.88 +36 27 06.1 19.8 c 704
2009-12-09 21:17:43 C 07 29 17.88 +35 33 06.7 r A13
2009-12-09 21:54:32 C 07 29 14.51 +35 33 04.8 r A13
2009-12-10 21:16:39 C 07 26 57.94 +35 30 24.5 r A13
2009-12-10 21:47:24 C 07 26 54.91 +35 30 21.7 r A13
2009-12-10 22:18:21 C 07 26 51.76 +35 30 18.2 r A13
2009-12-16 07:25:01 C 07 13 51.42 +35 10 25.7 r 703
2009-12-16 07:30:46 C 07 13 50.88 +35 10 26.0 r 703
2009-12-16 07:36:27 C 07 13 50.16 +35 10 23.0 r 703
2009-12-16 07:42:12 C 07 13 49.54 +35 10 22.4 r 703
2010-01-10 02:58:11 C 06 20 09.27 +31 56 36.7 r G96
2010-01-10 03:04:52 C 06 20 08.84 +31 56 34.3 r G96
2010-01-10 03:11:38 C 06 20 08.41 +31 56 31.5 r G96
2010-01-10 03:18:25 C 06 20 07.94 +31 56 28.6 r G96
2010-01-10 03:25:11 C 06 20 07.47 +31 56 26.1 r G96
2013-02-03 08:20:02 C 09 07 12.294 +14 48 03.03 L F51
2013-02-03 09:02:18 C 09 07 09.690 +14 48 09.23 L F51
2013-02-03 09:23:20 C 09 07 08.391 +14 48 12.32 L F51
2016-01-18 09:53:08 C 10 54 07.99 +02 05 56.7 o 291
2016-01-18 10:13:39 C 10 54 07.37 +02 05 57.4 o 291
2016-01-18 10:34:12 C 10 54 06.76 +02 05 57.9 o 291
2016-02-05 07:29:22 C 10 38 25.01 +02 43 24.2 u H21
2016-02-05 07:55:51 C 10 38 23.78 +02 43 28.3 u H21
2016-02-05 08:27:59 C 10 38 22.32 +02 43 32.1 u H21
2017-05-24 09:04:17 C 14 57 25.315 -38 52 53.44 L F51
2017-05-24 09:31:05 C 14 57 22.703 -38 52 46.19 L F51
2017-05-24 09:44:27 C 14 57 21.401 -38 52 42.53 L F51
2017-06-23 06:13:55 C 14 04 03.476 -32 18 54.05 L F51
2017-06-23 06:20:57 C 14 04 03.154 -32 18 49.11 L F51
2017-09-28 05:17:04 C 16 43 43.29 -03 28 02.7 L T08
2017-09-28 05:34:35 C 16 43 45.82 -03 27 31.4 L T08