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
2022-10-26 03:44:24 C 23 00 20.263 -14 41 33.79 V W68
2022-10-26 07:20:37 C 22 59 39.307 -14 43 19.56 V T08
2022-10-26 07:25:16 C 22 59 38.390 -14 43 21.32 V T08
2022-10-26 07:39:55 C 22 59 35.479 -14 43 27.16 V T08
2022-10-27 19:22:23 C 22 52 42.521 -14 56 28.54 V M22
2022-10-27 19:26:23 C 22 52 41.746 -14 56 30.12 V M22
2022-10-27 19:41:31 C 22 52 38.734 -14 56 35.41 V M22
2022-10-27 19:50:36 C 22 52 36.910 -14 56 37.97 V M22
2022-10-28 03:17:48 C 22 51 10.955 -14 59 36.74 V 703
2022-10-28 03:26:04 C 22 51 09.335 -14 59 39.52 V 703
2022-10-28 03:34:21 C 22 51 07.722 -14 59 42.43 V 703
2022-10-28 03:42:37 C 22 51 06.066 -14 59 45.53 V 703
2022-10-29 02:19:39 C 22 46 43.325 -15 06 44.03 V W68
2022-10-29 02:34:21 C 22 46 40.406 -15 06 48.20 V W68
2022-10-29 02:38:54 C 22 46 39.526 -15 06 49.57 V W68
2022-10-29 02:46:42 C 22 46 37.958 -15 06 52.13 V W68
2022-10-30 01:34:00 C 22 42 14.042 -15 13 36.70 V W68
2022-10-30 01:46:33 C 22 42 11.568 -15 13 39.83 V W68
2022-10-30 01:56:02 C 22 42 09.684 -15 13 42.42 V W68
2022-10-30 02:26:24 C 22 42 03.631 -15 13 50.63 V W68
2022-10-31 01:28:38 C 22 37 36.986 -15 19 55.92 V W68
2022-10-31 01:33:49 C 22 37 35.952 -15 19 57.43 V W68
2022-10-31 01:42:15 C 22 37 34.284 -15 19 58.98 V W68
2022-10-31 01:56:35 C 22 37 31.416 -15 20 02.72 V W68
2022-10-31 19:52:13 C 22 34 03.946 -15 24 16.45 V M22
2022-10-31 19:59:35 C 22 34 02.472 -15 24 17.86 V M22
2022-10-31 20:04:10 C 22 34 01.579 -15 24 18.65 V M22
2022-10-31 20:34:20 C 22 33 55.584 -15 24 25.42 V M22
2022-11-06 01:38:22 C 22 10 00.787 -15 42 22.28 V W68
2022-11-06 02:09:54 C 22 09 54.602 -15 42 24.23 V W68
2022-11-06 02:14:35 C 22 09 53.676 -15 42 23.94 V W68
2022-11-06 02:39:23 C 22 09 48.883 -15 42 24.88 V W68
2022-11-07 19:05:56 C 22 02 11.275 -15 44 04.20 V M22
2022-11-07 19:10:01 C 22 02 10.543 -15 44 04.49 V M22
2022-11-07 19:19:59 C 22 02 08.568 -15 44 03.91 V M22
2022-11-07 19:56:29 C 22 02 01.512 -15 44 02.76 V M22
2022-11-09 20:22:17 C 21 52 56.779 -15 43 32.27 V M22
2022-11-09 20:46:36 C 21 52 52.178 -15 43 30.72 V M22
2022-11-09 21:15:31 C 21 52 46.687 -15 43 28.81 V M22
2022-11-09 21:29:17 C 21 52 44.040 -15 43 27.73 V M22
2022-11-11 01:07:11 C 21 47 35.604 -15 42 04.25 V W68
2022-11-11 01:11:05 C 21 47 34.915 -15 42 03.92 V W68
2022-11-11 01:39:16 C 21 47 29.503 -15 42 01.73 V W68
2022-11-11 01:54:18 C 21 47 26.652 -15 42 00.29 V W68
2022-11-12 18:36:39 C 21 39 53.527 -15 38 26.92 V M22
2022-11-12 18:40:49 C 21 39 52.706 -15 38 26.41 V M22
2022-11-12 18:47:59 C 21 39 51.415 -15 38 25.58 V M22
2022-11-12 19:26:49 C 21 39 43.958 -15 38 20.51 V M22
2022-11-13 06:16:32 C 21 37 43.807 -15 37 30.04 V T05
2022-11-13 06:21:06 C 21 37 42.943 -15 37 29.64 V T05
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)