451124 (2009 KC3)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6983714945 ± 5.28e-09
Semi-major axis (a)3.2097701784 AU ± 3.78e-08
Inclination (i)10.00822134° ± 1.55e-06
Long. of Asc. Node (Ω)340.11424507° ± 3.18e-06
Arg. of Perihelion (ω)337.25629695° ± 3.37e-06
Mean Anomaly (M)300.38725832° ± 1.89e-05
Mean Motion (n)0.1713962712°/day ± 3.03e-09
Perihelion dist (q)0.96815818 AU ± 2.04e-08
Aphelion dist (Q)5.45138217 AU ± 6.64e-08
Orbital Period5.75057016 yr ± 1.02e-07
Physical Parameters
H (abs. magnitude)18.08
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.299″
Uncertainty0
Orbit TypeApollo
MOID0.007242 AU
Observations Used426
Radar Obs Used19
Oppositions1
Arc Total2009-2026
First Observation Used2009-05-04
Last Observation Used2026-02-25
Observations (445)
Date Type RA Dec Mag Band Observatory
2009-05-04 14:15:49 C 14 39 26.28 -39 38 30.0 r E12
2009-05-04 14:31:35 C 14 39 25.05 -39 38 36.9 r E12
2009-05-04 14:47:08 C 14 39 23.90 -39 38 44.0 r E12
2009-05-04 15:02:38 C 14 39 22.60 -39 38 52.5 r E12
2009-05-23 15:37:14 C 13 56 05.82 -42 30 41.5 r E12
2009-05-23 15:48:34 C 13 56 04.59 -42 30 43.8 r E12
2009-05-23 16:13:28 C 13 56 01.79 -42 30 48.2 r E12
2009-05-23 16:14:33 C 13 56 01.68 -42 30 48.6 r E12
2009-05-23 16:15:41 C 13 56 01.56 -42 30 49.0 r E12
2009-05-23 16:16:45 C 13 56 01.42 -42 30 49.1 r E12
2009-05-23 16:17:51 C 13 56 01.28 -42 30 49.2 r E12
2009-05-23 16:32:08 C 13 55 59.72 -42 30 52.1 r E12
2009-05-24 00:44:53 C 13 55 07.02 -42 32 47.2 r I77
2009-05-24 00:46:25 C 13 55 06.89 -42 32 47.6 r I77
2009-05-24 00:52:23 C 13 55 06.13 -42 32 49.3 r I77
2009-05-24 09:14:22 C 13 54 11.99 -42 34 27.5 o E16
2009-05-24 09:19:41 C 13 54 11.33 -42 34 29.4 r E12
2009-05-24 09:23:36 C 13 54 10.93 -42 34 29.5 o E16
2009-05-24 11:55:59 C 13 53 53.37 -42 35 03.0 r E12
2009-05-25 09:10:19 C 13 51 34.00 -42 39 09.5 r E12
2009-05-25 09:40:21 C 13 51 30.56 -42 39 15.8 r E12
2009-05-25 10:49:30 C 13 51 22.55 -42 39 29.8 r E12
2009-05-25 11:23:14 C 13 51 18.66 -42 39 35.1 o E16
2009-05-25 11:42:18 C 13 51 16.44 -42 39 38.6 o E16
2009-05-25 11:50:56 C 13 51 15.42 -42 39 40.4 v E16
2009-05-25 12:12:03 C 13 51 12.96 -42 39 44.0 v E16
2009-05-25 12:23:48 C 13 51 11.60 -42 39 46.5 o E16
2009-05-25 17:56:40 C 13 50 33.90 -42 40 41.7 c D21
2009-05-25 18:06:54 C 13 50 32.81 -42 40 43.0 c D21
2009-05-25 18:14:40 C 13 50 31.84 -42 40 44.3 c D21
2009-05-28 09:51:24 C 13 43 31.49 -42 50 39.3 o E16
2009-05-28 10:56:49 C 13 43 23.85 -42 50 47.5 o E16
2009-06-10 00:04:29 C 13 11 24.75 -42 59 14.1 r 808
2009-06-10 00:14:30 C 13 11 23.70 -42 59 14.0 r 808
2009-06-10 00:27:00 C 13 11 22.52 -42 59 15.8 r 808
2009-06-10 23:35:00 C 13 09 07.15 -42 57 48.1 r 808
2009-06-10 23:46:30 C 13 09 06.00 -42 57 47.1 r 808
2009-06-11 09:02:07 C 13 08 12.53 -42 57 08.9 c E18
2009-06-11 09:22:41 C 13 08 10.43 -42 57 07.2 c E18
2009-06-11 09:40:26 C 13 08 08.54 -42 57 06.2 c E18
2009-06-12 08:20:19 C 13 05 59.40 -42 55 25.9 r 432
2009-06-12 08:42:12 C 13 05 57.14 -42 55 26.4 r 432
2009-06-12 23:29:30 C 13 04 34.18 -42 54 13.4 r 808
2009-06-12 23:39:29 C 13 04 33.07 -42 54 12.4 r 808
2009-06-12 23:50:00 C 13 04 32.04 -42 54 11.9 r 808
2009-06-13 04:32:54 C 13 04 03.96 -42 53 39.7 r I20
2009-06-13 04:42:02 C 13 04 03.11 -42 53 38.6 r I20
2009-06-13 04:51:29 C 13 04 02.23 -42 53 37.1 r I20
2009-06-13 09:41:30 C 13 03 36.929 -42 53 21.89 r E12
2009-06-13 09:45:38 C 13 03 36.513 -42 53 21.65 r E12
Radar Observations (24)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2009-08-22 17:40:00 166378.75 1 Hz 8560 -14 -14
2009-08-22 18:50:00 50194420.27 10 us 8560 -14 -14
2009-08-22 19:50:00 50130850.38 4 us 8560 -14 -14
2009-08-22 20:50:50 50069982.15 3 us 8560 -14 -14
2009-08-22 20:50:50 138811.733 2.2 Hz 8560 -14 -14
2009-08-22.736111 16637875 100 Hz 8560 253 253
2009-08-22.784722 5019442027 10000 us 8560 253 253
2009-08-22.826389 5013085038 4000 us 8560 253 253
2009-08-23 13:50:00 49188655.76 4 us 8560 -14 -14
2009-08-23 14:20:49 49165728.7 3 us 8560 -14 -14
2009-08-23 14:20:49 104100.066 2.2 Hz 8560 -14 -14
2009-08-23.576389 4918865576 4000 us 8560 253 253
2009-08-25 12:40:00 49198900.4 4 us 8560 -14 -14
2009-08-25 14:20:49 49255455.78 3 us 8560 -14 -14
2009-08-25 14:20:49 -87049.065 2.2 Hz 8560 -14 -14
2009-08-25.527778 4919890040 4000 us 8560 253 253
2009-08-26 12:41:00 50556530.23 3 us 2380 -1 -1
2009-08-26 12:41:00 -50087.459 0.6 Hz 2380 -1 -1
2009-08-27 12:23:00 52743040.65 3 us 2380 -1 -1
2009-08-27 12:23:00 -71805.554 0.6 Hz 2380 -1 -1
2009-08-28 12:06:00 55649852.25 3 us 2380 -1 -1
2009-08-28 12:06:00 -90448.274 0.6 Hz 2380 -1 -1
2009-08-29 11:42:00 59144816.97 3 us 2380 -1 -1
2009-08-29 11:42:00 -105658.547 0.6 Hz 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)