Cora»Occultation

2023-11-08 / UCAC4 419-001602 / (1845) Helewalda

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Martin Gutekunst	O+	CCD	L280	DE	GPS	20:41:12	20:41:40.480	20:41:41.830	20:42:12	0.15	0.15	1.35	12.3

UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

1 observation found in db: sodis

Available (probably) matching predictions (click on the link to switch):

JPL#69 : 366cb0f0-ddb4-11f0-547e-3c9efd7d2e32 [db: observed]

Using prediction 366cb0f0-ddb4-11f0-547e-3c9efd7d2e32 for map and profile fit

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Event Details
Occultation UUID [and DB] : 366cb0f0-ddb4-11f0-547e-3c9efd7d2e32 [observed] Occultation Date + Time : 2023-11-08 at 20:42:24 UT +/- 0.01 min [1] Object Designation : (1845) Helewalda Orbit Class : MBA Star Designation : GDR3 2481632382802424448 Star Coordinates (ICRF) : RA = 01 21 33.3708, DE = -06 21 03.526 [2] Star Magnitudes : G = 13.96 mag, RP = 13.29 mag, BP = 14.49 mag Object Magnitude : V = 15.82 mag Estimated Magnitude Drop : 2.0 mag Estimated Max. Duration : 2.1 sec Object Mean Diameter : 19.1 km (src: astorb) Speed of the shadow : 9.1 km/s Elongation to Moon & Sun : 156° (sunlit = 19%), Sun = 147° Cross-track uncertainty : 1.1 mas = 1 km = 0.09 path-width (1-sig) RUWE and duplicate source : 7.98 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#69 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 366cb0f0-ddb4-11f0-547e-3c9efd7d2e32 [observed] Occultation Date + Time : 2023-11-08 at 20:42:24 UT +/- 0.01 min [1] Object Designation : (1845) Helewalda Orbit Class : MBA Star Designation : GDR3 2481632382802424448 Star Coordinates (ICRF) : RA = 01 21 33.3708, DE = -06 21 03.526 [2] Star Magnitudes : G = 13.96 mag, RP = 13.29 mag, BP = 14.49 mag Object Magnitude : V = 15.82 mag Estimated Magnitude Drop : 2.0 mag Estimated Max. Duration : 2.1 sec Object Mean Diameter : 19.1 km (src: astorb) Speed of the shadow : 9.1 km/s Elongation to Moon & Sun : 156° (sunlit = 19%), Sun = 147° Cross-track uncertainty : 1.1 mas = 1 km = 0.09 path-width (1-sig) RUWE and duplicate source : 7.98 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#69 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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