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
2025-06-11 03:53:51 C 14 08 31.490 -33 19 12.47 V W68
2025-06-11 03:58:31 C 14 08 31.990 -33 19 10.38 V W68
2025-06-11 04:07:51 C 14 08 32.906 -33 19 06.46 V W68
2025-06-11 04:23:23 C 14 08 34.476 -33 18 59.47 V W68
2025-06-11 20:57:57 C 14 10 19.486 -33 12 17.64 V M22
2025-06-11 21:04:00 C 14 10 20.069 -33 12 14.76 V M22
2025-06-11 21:11:23 C 14 10 20.794 -33 12 11.77 V M22
2025-06-11 21:25:49 C 14 10 22.229 -33 12 05.72 V M22
2025-06-12 21:29:12 C 14 12 47.690 -33 02 47.26 V M22
2025-06-12 21:33:51 C 14 12 48.144 -33 02 45.71 V M22
2025-06-12 21:42:35 C 14 12 48.958 -33 02 41.93 V M22
2025-06-12 21:56:40 C 14 12 50.273 -33 02 36.28 V M22
2025-06-15 23:09:33 C 14 19 36.043 -32 37 07.75 V M22
2025-06-15 23:44:15 C 14 19 38.921 -32 36 55.22 V M22
2025-06-15 23:44:54 C 14 19 38.978 -32 36 55.26 V M22
2025-06-16 20:44:24 C 14 21 27.737 -32 30 25.74 V M22
2025-06-16 21:03:25 C 14 21 29.249 -32 30 19.51 V M22
2025-06-16 21:04:04 C 14 21 29.306 -32 30 19.40 V M22
2025-06-16 21:19:55 C 14 21 30.559 -32 30 14.00 V M22
2025-06-19 02:31:35 C 14 25 51.216 -32 14 52.55 V W68
2025-06-19 02:42:12 C 14 25 51.994 -32 14 49.56 V W68
2025-06-19 02:45:59 C 14 25 52.262 -32 14 48.30 V W68
2025-06-19 02:53:29 C 14 25 52.853 -32 14 46.25 V W68
2025-06-19 23:21:08 C 14 27 29.743 -32 09 17.57 V W68
2025-06-19 23:24:30 C 14 27 29.976 -32 09 16.99 V W68
2025-06-20 01:49:09 C 14 27 40.406 -32 08 40.09 V W68
2025-06-20 01:53:26 C 14 27 40.685 -32 08 38.44 V W68
2025-06-21 20:24:48 C 14 30 52.872 -31 58 02.53 V M22
2025-06-21 20:28:23 C 14 30 53.146 -31 58 01.52 V M22
2025-06-21 20:40:56 C 14 30 53.981 -31 57 58.25 V M22
2025-06-21 20:45:06 C 14 30 54.283 -31 57 57.56 V M22
2025-06-22 23:00:57 C 14 32 50.498 -31 51 53.60 V W68
2025-06-22 23:07:53 C 14 32 50.952 -31 51 52.20 V W68
2025-06-22 23:08:32 C 14 32 51.094 -31 51 50.62 V W68
2025-06-23 00:13:12 C 14 32 55.399 -31 51 37.48 V W68
2025-06-23 20:37:24 C 14 34 22.380 -31 47 07.73 V M22
2025-06-23 20:46:43 C 14 34 23.014 -31 47 05.46 V M22
2025-06-23 20:57:35 C 14 34 23.726 -31 47 02.72 V M22
2025-06-23 21:05:28 C 14 34 24.259 -31 47 01.00 V M22
2025-06-24 20:58:44 C 14 36 05.302 -31 42 01.55 V M22
2025-06-24 21:00:02 C 14 36 05.378 -31 41 59.86 V M22
2025-06-24 21:04:46 C 14 36 05.666 -31 41 59.46 V M22
2025-06-24 21:40:47 C 14 36 08.148 -31 41 51.36 V M22
2025-06-24 21:45:20 C 14 36 08.352 -31 41 50.39 V M22
2025-06-24 21:53:11 C 14 36 08.935 -31 41 49.06 V M22
2025-06-24 22:14:39 C 14 36 10.334 -31 41 44.45 V M22
2025-06-27 03:01:17 C 14 39 48.228 -31 31 36.44 V W68
2025-06-27 03:06:02 C 14 39 48.569 -31 31 35.47 V W68
2025-06-27 03:16:03 C 14 39 49.190 -31 31 33.56 V W68
2025-06-27 03:35:57 C 14 39 50.460 -31 31 29.32 V W68
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)