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
2009-10-19 13:57:08 C 01 35 28.27 +39 26 29.9 r 379
2009-10-19 13:59:49 C 01 35 28.10 +39 26 28.8 r 379
2009-10-19 14:02:29 C 01 35 27.95 +39 26 26.9 r 379
2009-10-19 14:11:49 C 01 35 27.38 +39 26 21.1 r 379
2009-10-19 14:21:09 C 01 35 26.84 +39 26 15.2 r 379
2009-10-19 14:23:49 C 01 35 26.68 +39 26 13.7 r 379
2009-10-19 14:26:30 C 01 35 26.51 +39 26 12.1 r 379
2009-10-20 14:35:49 C 01 34 12.56 +39 10 54.3 r 379
2009-10-20 14:38:29 C 01 34 12.39 +39 10 52.8 r 379
2009-10-20 14:59:48 C 01 34 11.21 +39 10 38.7 r 379
2009-10-20 15:09:10 C 01 34 10.65 +39 10 32.7 r 379
2009-10-20 15:11:50 C 01 34 10.49 +39 10 31.1 r 379
2009-10-21 13:48:52 C 01 33 05.59 +38 56 03.8 r 379
2009-10-21 13:53:04 C 01 33 05.34 +38 56 01.1 r 379
2009-10-21 14:03:41 C 01 33 04.79 +38 55 54.5 r 379
2009-10-21 14:07:54 C 01 33 04.56 +38 55 51.5 r 379
2009-10-21 14:31:06 C 01 33 03.30 +38 55 36.9 r 379
2009-10-21 14:41:41 C 01 33 02.75 +38 55 30.1 r 379
2009-10-21 14:45:54 C 01 33 02.52 +38 55 27.4 r 379
2009-10-21 14:50:06 C 01 33 02.28 +38 55 24.8 r 379
2009-10-23 20:02:44 C 01 30 42.86 +38 20 54.3 w 213
2009-10-23 20:09:16 C 01 30 42.57 +38 20 50.5 w 213
2009-10-24 07:20:36 C 01 30 13.76 +38 13 37.5 u H45
2009-10-24 07:22:58 C 01 30 13.65 +38 13 35.9 u H45
2009-10-24 07:25:08 C 01 30 13.56 +38 13 34.4 u H45
2009-10-24 07:27:00 C 01 30 13.48 +38 13 33.1 u H45
2009-10-24 07:28:50 C 01 30 13.40 +38 13 31.8 u H45
2009-10-24 07:30:26 C 01 30 13.32 +38 13 30.8 u H45
2009-10-25 20:15:16 C 01 28 50.92 +37 49 29.5 w 160
2009-10-25 20:18:56 C 01 28 50.78 +37 49 27.3 w 160
2009-10-25 20:22:50 C 01 28 50.62 +37 49 24.9 w 160
2009-10-26 20:54:17 C 01 27 59.26 +37 33 24.2 c 560
2009-10-26 20:56:15 C 01 27 59.18 +37 33 23.1 c 560
2009-10-26 20:58:12 C 01 27 59.08 +37 33 22.1 c 560
2009-10-27 04:55:11 C 01 27 43.45 +37 28 14.3 r 703
2009-10-27 05:05:38 C 01 27 42.98 +37 28 07.3 r 703
2009-10-27 05:16:03 C 01 27 42.62 +37 28 01.0 r 703
2009-10-27 05:26:32 C 01 27 42.22 +37 27 53.9 r 703
2009-10-29 22:42:55 C 01 25 46.55 +36 45 18.5 18.3 o 084
2009-11-08 08:19:26 C 01 22 10.41 +34 24 55.6 r 703
2009-11-08 08:28:01 C 01 22 10.34 +34 24 50.0 r 703
2009-11-08 08:36:50 C 01 22 10.30 +34 24 45.1 r 703
2009-11-08 08:45:40 C 01 22 10.20 +34 24 40.1 r 703
2009-11-11 19:05:31 C 01 21 55.48 +33 37 15.3 o 151
2009-11-11 19:09:41 C 01 21 55.45 +33 37 13.1 o 151
2009-11-11 19:13:53 C 01 21 55.42 +33 37 10.6 o 151
2009-11-16 04:40:00 C 01 22 18.16 +32 40 29.3 o G56
2009-11-16 05:02:31 C 01 22 18.26 +32 40 18.1 o G56
2009-11-16 05:15:37 C 01 22 18.30 +32 40 10.4 o G56
2009-11-18 18:34:03 C 01 22 52.97 +32 09 24.4 r J75
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)