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
2009-06-13 10:14:27 C 13 03 33.641 -42 53 19.08 r E12
2009-06-17 12:42:38 C 12 54 51.04 -42 43 32.2 r E12
2009-06-17 12:50:42 C 12 54 50.31 -42 43 31.0 r E12
2009-06-24 11:55:00 C 12 42 01.94 -42 24 52.8 r E12
2009-06-24 12:06:03 C 12 42 01.07 -42 24 51.0 r E12
2009-07-08 08:07:57 C 12 22 50.37 -42 03 03.7 r E16
2009-07-08 08:17:40 C 12 22 49.79 -42 03 03.4 r E16
2009-07-09 00:57:55 C 12 21 58.69 -42 02 47.6 r I20
2009-07-09 01:05:30 C 12 21 58.25 -42 02 46.9 r I20
2009-07-09 01:13:47 C 12 21 57.76 -42 02 46.2 r I20
2009-07-13 23:52:37 C 12 16 04.57 -42 04 09.2 18.3 r I36
2009-07-14 00:00:11 C 12 16 04.13 -42 04 09.0 18.2 r I36
2009-07-14 00:07:45 C 12 16 03.63 -42 04 08.6 18.6 r I36
2009-07-17 09:33:24 C 12 11 49.99 -42 07 30.0 r 432
2009-07-17 10:15:15 C 12 11 47.30 -42 07 26.2 r 432
2009-07-24 08:37:59 C 12 01 26.41 -42 17 26.3 r E12
2009-07-24 08:41:21 C 12 01 26.106 -42 17 26.28 r E12
2009-07-28 09:01:15 C 11 53 16.44 -42 21 41.9 r E12
2009-07-31 09:12:38 C 11 45 19.56 -42 20 52.7 r E12
2009-08-02 08:44:40 C 11 38 53.11 -42 16 39.0 r E12
2009-08-03 09:17:34 C 11 35 04.68 -42 12 36.6 r E12
2009-08-03 09:52:56 C 11 34 58.86 -42 12 23.0 r E16
2009-08-03 10:05:23 C 11 34 56.77 -42 12 18.8 r E16
2009-08-03 10:17:57 C 11 34 54.68 -42 12 14.3 r E16
2009-08-04 09:09:13 C 11 31 01.42 -42 07 16.4 r E12
2009-08-11 08:47:54 C 10 48 02.21 -40 08 19.7 r E16
2009-08-11 08:56:24 C 10 47 59.11 -40 08 05.7 r E16
2009-08-11 09:02:45 C 10 47 56.58 -40 07 57.9 r E12
2009-08-11 09:05:40 C 10 47 55.73 -40 07 50.2 r E16
2009-08-11 09:06:19 C 10 47 55.28 -40 07 51.9 r E12
2009-08-12 08:54:09 C 10 38 54.13 -39 29 43.5 r E12
2009-08-12 08:58:17 C 10 38 52.48 -39 29 35.0 r E12
2009-08-26 19:35:48 C 06 23 11.37 +09 27 24.2 r E12
2009-08-26 21:40:59 C 06 21 25.27 +09 54 28.1 c D21
2009-08-26 21:42:48 C 06 21 23.68 +09 54 51.8 c D21
2009-08-26 21:44:38 C 06 21 22.06 +09 55 16.1 c D21
2009-08-28 03:00:14 C 05 57 29.90 +15 45 11.3 v 204
2009-08-28 03:01:35 C 05 57 28.81 +15 45 26.5 v 204
2009-08-28 03:02:57 C 05 57 27.72 +15 45 42.0 v 204
2009-08-28 03:04:19 C 05 57 26.64 +15 45 57.3 v 204
2009-08-28 03:05:40 C 05 57 25.54 +15 46 12.7 v 204
2009-09-01 00:44:14 C 04 54 27.53 +28 55 18.6 15.7 o 084
2009-09-01 00:51:12 C 04 54 23.50 +28 56 01.2 15.9 o 084
2009-09-02 00:55:47 C 04 41 26.92 +31 08 27.4 16.1 o 084
2009-09-02 00:56:43 C 04 41 26.45 +31 08 31.8 16.4 o 084
2009-09-02 10:25:51 C 04 36 41.31 +31 55 35.2 o H06
2009-09-02 10:29:04 C 04 36 39.63 +31 55 50.7 o H06
2009-09-02 10:32:17 C 04 36 37.96 +31 56 06.3 o H06
2009-09-03 00:58:52 C 04 29 40.32 +32 59 53.9 16.4 r 084
2009-09-03 01:01:40 C 04 29 38.97 +33 00 05.9 16.3 r 084
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)