5381 Sekhmet (1991 JY)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2964299671 ± 2.00e+00
Semi-major axis (a)0.9474332968 AU ± 3.00e+00
Inclination (i)48.96621448° ± 4.00e+00
Long. of Asc. Node (Ω)58.52927849° ± 5.00e+00
Arg. of Perihelion (ω)37.43105872° ± 6.00e+00
Mean Anomaly (M)266.61835665° ± 2.39e-04
Mean Motion (n)1.0687824424°/day ± 5.08e+00
Perihelion dist (q)0.66658568 AU ± 2.84e+00
Aphelion dist (Q)1.22828092 AU ± 4.33e+00
Orbital Period0.92219543 yr ± 4.38e+00
NGA Modelr2
A2-2.04447511e-06 AU/d²
Physical Parameters
H (abs. magnitude)16.72
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.372″
Uncertainty0
Orbit TypeAten
MOID0.111844 AU
Observations Used656
Gaia Obs Used162
Oppositions2
Arc Total1991-2017
First Observation Used1991-05-14
Last Observation Used2025-07-27
Observations (686)
Date Type RA Dec Mag Band Observatory
2025-06-23 06:23:24 C 11 29 21.216 +14 00 50.98 V T08
2025-06-23 06:31:27 C 11 29 21.948 +14 00 25.49 V T08
2025-06-23 06:32:07 C 11 29 22.025 +14 00 22.50 V T08
2025-06-24 06:10:37 C 11 31 36.989 +12 44 03.59 V T05
2025-06-24 06:17:52 C 11 31 37.642 +12 43 40.44 V T05
2025-06-24 06:24:28 C 11 31 38.227 +12 43 19.24 V T05
2025-06-24 06:33:03 C 11 31 39.010 +12 42 51.55 V T05
2025-06-25 00:44:42 C 11 33 20.606 +11 45 19.55 V W68
2025-06-25 00:49:19 C 11 33 20.993 +11 45 05.26 V W68
2025-06-25 00:57:11 C 11 33 21.701 +11 44 40.52 V W68
2025-06-25 01:25:35 C 11 33 24.262 +11 43 10.96 V W68
2025-06-26 04:13:33 C 11 35 50.284 +10 19 38.71 V 703
2025-06-26 04:20:11 C 11 35 50.888 +10 19 20.39 V 703
2025-06-26 04:23:29 C 11 35 51.256 +10 19 09.55 V 703
2025-06-26 06:11:42 C 11 36 01.097 +10 13 40.04 V T05
2025-06-26 06:16:16 C 11 36 01.466 +10 13 25.68 V T05
2025-06-26 06:49:01 C 11 36 04.294 +10 11 45.42 V T05
2025-06-26 07:01:04 C 11 36 05.374 +10 11 08.45 V T05
2025-07-12 17:25:00 C 12 06 48.070 -06 43 43.93 V M22
2025-07-12 17:29:33 C 12 06 48.355 -06 43 53.87 V M22
2025-07-12 17:37:24 C 12 06 48.838 -06 44 10.90 V M22
2025-07-12 18:00:21 C 12 06 50.422 -06 45 00.04 V M22
2025-07-14 06:11:11 C 12 09 21.646 -08 01 08.58 V T08
2025-07-14 06:11:50 C 12 09 21.713 -08 01 10.74 V T08
2025-07-14 06:19:08 C 12 09 22.166 -08 01 25.50 V T08
2025-07-14 06:23:07 C 12 09 22.442 -08 01 33.38 V T08
2025-07-14 06:29:05 C 12 09 22.862 -08 01 45.88 V T08
2025-07-14 06:38:24 C 12 09 23.472 -08 02 05.17 V T08
2025-07-16 06:06:24 C 12 12 39.516 -09 38 12.23 V T05
2025-07-16 06:11:00 C 12 12 39.890 -09 38 21.55 V T05
2025-07-16 06:20:49 C 12 12 40.486 -09 38 40.27 V T05
2025-07-16 06:35:17 C 12 12 41.453 -09 39 09.76 V T05
2025-07-27 18:49:29 C 12 31 12.809 -17 49 48.36 V M22
2025-07-27 18:54:10 C 12 31 13.073 -17 49 56.71 V M22
2025-07-27 19:01:40 C 12 31 13.630 -17 50 07.80 V M22
2025-07-27 19:15:56 C 12 31 14.566 -17 50 30.84 V M22
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-05-03 09:34:00 244483008.78 1 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)