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
2017-12-07 08:20:35 C 01 21 04.44 +39 16 47.6 U T08
2017-12-07 09:02:26 C 01 21 12.32 +39 16 09.1 U T08
2017-12-07 09:03:45 C 01 21 12.59 +39 16 07.8 U T08
2017-12-07 09:10:43 C 01 21 13.92 +39 16 01.5 U T08
2017-12-08 03:33:28 C 01 24 47.93 +38 59 36.8 U G96
2017-12-08 03:41:13 C 01 24 49.35 +38 59 30.0 U G96
2017-12-08 03:48:57 C 01 24 50.73 +38 59 23.1 U G96
2017-12-08 03:56:38 C 01 24 52.17 +38 59 16.5 U G96
2017-12-09 08:54:15 C 01 30 15.21 +38 33 46.7 U T05
2017-12-09 09:11:17 C 01 30 18.22 +38 33 31.1 U T05
2017-12-09 09:11:56 C 01 30 18.34 +38 33 30.6 U T05
2017-12-09 09:19:40 C 01 30 19.70 +38 33 23.7 U T05
2017-12-21 04:06:58 C 02 13 46.83 +34 50 28.2 U 703
2017-12-21 04:55:47 C 02 13 52.98 +34 49 54.3 U 703
2017-12-21 05:18:18 C 02 13 55.82 +34 49 38.0 U 703
2017-12-21 05:25:49 C 02 13 56.77 +34 49 32.7 U 703
2017-12-24 09:46:17 C 02 23 35.13 +33 59 15.4 U T05
2017-12-24 10:03:35 C 02 23 37.15 +33 59 04.1 U T05
2017-12-24 10:21:06 C 02 23 39.22 +33 58 51.9 U T05
2017-12-24 10:38:45 C 02 23 41.34 +33 58 40.3 U T05
2017-12-25 05:43:33 C 02 26 00.52 +33 46 47.0 U 703
2017-12-25 05:58:36 C 02 26 02.30 +33 46 37.0 U 703
2017-12-25 06:06:08 C 02 26 03.09 +33 46 32.7 U 703
2018-01-05 07:11:04 C 02 55 06.191 +31 27 08.17 U F51
2018-01-05 07:29:07 C 02 55 07.943 +31 27 00.09 U F51
2018-01-05 07:47:05 C 02 55 09.691 +31 26 51.97 U F51
2018-01-05 08:05:06 C 02 55 11.439 +31 26 43.81 U F51
2018-01-12 02:57:16 C 03 11 01.67 +30 21 46.7 U G96
2018-01-12 03:05:21 C 03 11 02.42 +30 21 43.8 U G96
2018-01-12 03:13:25 C 03 11 03.13 +30 21 40.9 U G96
2018-01-12 03:21:32 C 03 11 03.87 +30 21 38.1 U G96
2018-01-12 07:57:50 C 03 11 29.480 +30 20 01.34 U F51
2018-01-12 08:25:35 C 03 11 32.005 +30 19 51.19 U F51
2018-01-12 08:39:37 C 03 11 33.278 +30 19 46.06 U F51
2018-01-22 03:08:13 C 03 32 46.63 +29 08 30.9 U G96
2018-01-22 03:19:20 C 03 32 47.58 +29 08 28.0 U G96
2018-01-22 03:27:25 C 03 32 48.20 +29 08 25.9 U G96
2018-02-10 02:13:11 C 04 11 12.88 +27 40 08.4 U G96
2018-02-10 02:37:26 C 04 11 15.05 +27 40 04.2 U G96
2020-12-22 11:22:21 C 09 18 57.226 +18 39 03.46 U F52
2020-12-22 11:40:58 C 09 18 56.429 +18 39 04.57 U F52
2020-12-22 11:59:32 C 09 18 55.631 +18 39 06.06 U F52
2020-12-26 07:13:40 C 09 14 54.48 +18 45 13.4 V G96
2020-12-26 07:21:00 C 09 14 54.20 +18 45 13.2 V G96
2020-12-26 07:28:21 C 09 14 53.89 +18 45 14.8 V G96
2020-12-26 07:35:41 C 09 14 53.49 +18 45 15.5 V G96
2021-01-09 09:19:04 C 08 55 40.99 +19 17 51.1 V G96
2021-01-09 09:26:42 C 08 55 40.49 +19 17 52.1 V G96
2021-01-09 09:34:15 C 08 55 40.01 +19 17 52.9 V G96
2021-01-09 09:41:49 C 08 55 39.50 +19 17 53.6 V G96