154276 (2002 SY50)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6889134523 ± 3.42e-09
Semi-major axis (a)1.7052788111 AU ± 2.85e-09
Inclination (i)8.74051555° ± 1.84e-06
Long. of Asc. Node (Ω)34.01625558° ± 3.34e-06
Arg. of Perihelion (ω)99.70762330° ± 3.15e-06
Mean Anomaly (M)105.16927769° ± 9.00e-07
Mean Motion (n)0.4426079216°/day ± 1.11e-09
Perihelion dist (q)0.53048930 AU ± 5.90e-09
Aphelion dist (Q)2.88006832 AU ± 7.56e-09
Orbital Period2.22686092 yr ± 5.58e-09
Physical Parameters
H (abs. magnitude)17.61
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.291″
Uncertainty0
Orbit TypeApollo
MOID0.003664 AU
Observations Used1098
Radar Obs Used7
Oppositions1
Arc Total2002-2025
First Observation Used2002-08-25
Last Observation Used2025-06-29
Observations (1204)
Date Type RA Dec Mag Band Observatory
2002-10-03 07:55:05 C 01 58 16.82 +00 13 53.5 17.2 i 678
2002-10-03 08:00:27 C 01 58 16.44 +00 13 51.9 16.6 c 704
2002-10-03 08:05:59 C 01 58 16.07 +00 13 49.4 17.0 i 678
2002-10-03 08:11:21 C 01 58 15.74 +00 13 47.0 16.9 c 704
2002-10-03 08:13:50 C 01 58 15.60 +00 13 47.0 c 448
2002-10-03 08:20:21 C 01 58 15.20 +00 13 44.2 c 448
2002-10-03 08:22:25 C 01 58 15.06 +00 13 42.7 17.0 c 704
2002-10-03 08:34:10 C 01 58 14.30 +00 13 38.0 17.4 c 704
2002-10-03 08:45:22 C 01 58 13.59 +00 13 33.2 17.1 c 704
2002-10-03 08:57:21 C 01 58 12.83 +00 13 27.9 16.8 c 704
2002-10-03 09:01:52 C 01 58 12.63 +00 13 26.6 c 448
2002-10-03 09:07:37 C 01 58 12.21 +00 13 24.3 16.8 c 704
2002-10-03 09:07:55 C 01 58 12.24 +00 13 24.2 c 448
2002-10-03 09:20:14 C 01 58 11.42 +00 13 18.6 16.8 c 704
2002-10-03 13:54:19 C 01 57 56.29 +00 11 48.7 m 428
2002-10-03 14:02:41 C 01 57 55.82 +00 11 45.8 m 428
2002-10-03 20:37:08 C 01 57 33.31 +00 08 33.2 176
2002-10-03 20:41:03 C 01 57 33.07 +00 08 31.5 176
2002-10-03 20:45:03 C 01 57 32.82 +00 08 29.9 176
2002-10-03 20:49:05 C 01 57 32.57 +00 08 28.2 176
2002-10-03 20:52:59 C 01 57 32.33 +00 08 26.6 176
2002-10-03 23:15:18 C 01 57 23.05 +00 07 24.9 c 599
2002-10-03 23:25:23 C 01 57 22.38 +00 07 20.5 c 599
2002-10-03 23:34:05 C 01 57 21.81 +00 07 16.8 c 599
2002-10-03 23:41:46 C 01 57 21.31 +00 07 13.5 c 599
2002-10-04 06:04:35 C 01 56 58.43 +00 04 31.5 16.7 c 704
2002-10-04 06:26:05 C 01 56 56.98 +00 04 22.0 16.6 c 704
2002-10-04 06:48:08 C 01 56 55.45 +00 04 12.7 17.0 c 704
2002-10-04 07:09:57 C 01 56 53.99 +00 04 02.6 17.0 c 704
2002-10-04 07:21:19 C 01 56 53.45 +00 03 57.7 c 670
2002-10-04 07:31:52 C 01 56 52.47 +00 03 53.2 17.1 c 704
2002-10-04 07:31:58 C 01 56 52.74 +00 03 52.6 c 670
2002-10-04 07:37:22 C 01 56 52.08 +00 03 50.9 16.7 c 704
2002-10-04 07:48:36 C 01 56 51.31 +00 03 45.7 16.4 c 704
2002-10-04 07:59:13 C 01 56 50.58 +00 03 41.6 16.3 c 704
2002-10-04 08:07:28 C 01 56 50.32 +00 03 37.2 c 670
2002-10-04 08:10:55 C 01 56 49.78 +00 03 36.0 16.5 c 704
2002-10-04 08:21:02 C 01 56 49.08 +00 03 31.9 16.3 c 704
2002-10-04 08:26:06 C 01 56 48.83 +00 03 30.1 c 651
2002-10-04 08:29:31 C 01 56 48.58 +00 03 28.6 c 651
2002-10-04 08:33:12 C 01 56 48.25 +00 03 26.3 16.7 c 704
2002-10-04 08:33:43 C 01 56 48.30 +00 03 26.8 c 651
2002-10-04 08:43:06 C 01 56 47.58 +00 03 22.0 16.2 c 704
2002-10-04 08:44:56 C 01 56 47.293 +00 03 20.08 645
2002-10-04 08:45:32 C 01 56 47.282 +00 03 20.37 645
2002-10-04 08:46:08 C 01 56 47.211 +00 03 19.72 645
2002-10-04 08:46:44 C 01 56 47.200 +00 03 19.78 645
2002-10-04 08:47:20 C 01 56 47.132 +00 03 19.32 645
2002-10-04 08:47:55 C 01 56 47.107 +00 03 19.30 645
2002-10-04 08:48:31 C 01 56 47.048 +00 03 18.69 645
Radar Observations (7)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2002-10-28 07:00:00 612496.5 8 Hz 8560 -14 -14
2002-10-30 01:10:00 470127.3 10 Hz 8560 -14 -14
2002-10-30 02:30:00 91610928.2 5 us 8560 -14 -14
2002-10-31 04:30:00 87371438.4 5 us 8560 -14 -14
2002-11-02 02:20:00 83582561.3 5 us 8560 -14 -14
2002-11-04 04:00:00 85265697 5 us 8560 -14 -14
2002-11-05 02:00:00 87864822.8 5 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)