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
2022-10-13 03:45:15 C 23 56 54.108 -11 47 07.51 V W68
2022-10-13 03:48:30 C 23 56 53.573 -11 47 09.46 V W68
2022-10-13 04:01:17 C 23 56 51.403 -11 47 18.24 V W68
2022-10-13 04:02:35 C 23 56 51.197 -11 47 18.71 V W68
2022-10-13 04:07:47 C 23 56 50.323 -11 47 22.34 V W68
2022-10-13 04:10:22 C 23 56 49.872 -11 47 24.29 V W68
2022-10-13 04:23:23 C 23 56 47.681 -11 47 32.96 V W68
2022-10-14 04:00:54 C 23 52 53.045 -12 03 17.17 V W68
2022-10-14 04:50:37 C 23 52 44.484 -12 03 50.04 V W68
2022-10-14 04:57:02 C 23 52 43.375 -12 03 54.11 V W68
2022-10-14 05:38:08 C 23 52 36.331 -12 04 20.93 V W68
2022-10-14 15:48:18 B 23 50 54.552 -12 11 26.15 W N86
2022-10-14 15:59:42 B 23 50 52.609 -12 11 34.29 W N86
2022-10-14 16:11:04 B 23 50 50.603 -12 11 41.11 W N86
2022-10-16 00:19:17 C 23 45 21.46 -12 32 24.2 V W46
2022-10-16 00:30:55 C 23 45 19.41 -12 32 31.5 V W46
2022-10-16 00:49:39 C 23 45 16.09 -12 32 43.6 V W46
2022-10-16 08:34:27 C 23 43 54.564 -12 37 35.40 V T05
2022-10-16 08:38:45 C 23 43 53.794 -12 37 38.21 V T05
2022-10-16 08:42:45 C 23 43 53.062 -12 37 40.66 V T05
2022-10-16 08:47:18 C 23 43 52.238 -12 37 43.43 V T05
2022-10-16 08:55:12 C 23 43 50.844 -12 37 48.76 V T05
2022-10-16 09:02:02 C 23 43 49.598 -12 37 52.61 V T05
2022-10-16 09:10:30 C 23 43 48.084 -12 37 58.12 V T05
2022-10-16 09:26:09 C 23 43 45.274 -12 38 07.87 V T05
2022-10-17 02:55:08 C 23 40 41.510 -12 48 46.69 V W68
2022-10-17 03:44:57 C 23 40 32.453 -12 49 17.22 V W68
2022-10-17 04:25:47 C 23 40 25.030 -12 49 42.28 V W68
2022-10-17 04:45:07 C 23 40 21.516 -12 49 54.12 V W68
2022-10-18 03:37:02 C 23 36 17.609 -13 03 50.94 V W68
2022-10-18 03:42:14 C 23 36 16.654 -13 03 54.00 V W68
2022-10-18 03:52:37 C 23 36 14.736 -13 04 00.26 V W68
2022-10-18 04:09:54 C 23 36 11.563 -13 04 10.67 V W68
2022-10-19 02:44:05 C 23 32 07.519 -13 17 32.10 V W68
2022-10-19 02:48:41 C 23 32 06.662 -13 17 34.62 V W68
2022-10-19 02:57:19 C 23 32 05.059 -13 17 39.66 V W68
2022-10-19 03:12:54 C 23 32 02.129 -13 17 48.59 V W68
2022-10-19 04:34:32 C 23 31 47.719 -13 18 57.20 V 703
2022-10-19 04:42:45 C 23 31 46.189 -13 19 02.06 V 703
2022-10-19 04:50:58 C 23 31 44.630 -13 19 06.82 V 703
2022-10-19 04:59:11 C 23 31 43.086 -13 19 11.86 V 703
2022-10-19 12:18:46 C 23 30 23.537 -13 23 06.54 V P07
2022-10-19 14:16:25 C 23 30 01.349 -13 24 14.44 V P07
2022-10-19 15:12:37 C 23 29 50.770 -13 24 46.44 V P07
2022-10-19 15:17:14 C 23 29 49.886 -13 24 48.96 V P07
2022-10-19 20:20:32 C 23 28 54.756 -13 27 38.23 V M22
2022-10-19 20:24:26 C 23 28 54.024 -13 27 40.25 V M22
2022-10-19 20:41:36 C 23 28 50.784 -13 27 50.15 V M22
2022-10-19 20:48:28 C 23 28 49.481 -13 27 53.82 V M22
2022-10-20 08:05:00 C 23 26 45.233 -13 34 32.48 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)