Cora»Occultation

2023-05-29 / UCAC4 346-104941 / (76) Freia

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Martin Gutekunst	O+	CCD	L280	DE	GPS	20:58:30	20:59:25.093	20:59:33.328	21:00:27	0.44	0.44	8.24	119.5

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#97 : 2719cbf0-ddb0-11f0-547e-37adfeff99c8 [db: observed]

JPL#97 : a086d200-ddb3-11f0-547e-2b2daf19af17 [db: observed]

Using prediction 2719cbf0-ddb0-11f0-547e-37adfeff99c8 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2023-05-29, 20:59 UT (JD = 2460094.374)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 442	None	9.973	140°, 14°	2.44485e6	15244.4	0.0°	None	None	not scaled	2012-07-30
# 443	None	9.973	320°, 17°	2.44485e6	15244.4	0.0°	None	None	not scaled	2012-07-30

Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0

Image size: 300px. Transparent image background for copy & paste

Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 2719cbf0-ddb0-11f0-547e-37adfeff99c8 [observed] Occultation Date + Time : 2023-05-29 at 20:55:07 UT +/- 0.01 min [1] Object Designation : (76) Freia Orbit Class : MBA Star Designation : GDR3 4118276498972243968 Star Coordinates (ICRF) : RA = 17 35 42.6638, DE = -20 58 54.852 [2] Star Magnitudes : G = 11.82 mag, RP = 11.29 mag, BP = 12.17 mag Object Magnitude : V = 13.73 mag Estimated Magnitude Drop : 2.1 mag Estimated Max. Duration : 12.7 sec Object Mean Diameter : 183.7 km (src: astorb) Speed of the shadow : 14.5 km/s Elongation to Moon & Sun : 81° (sunlit = 71%), Sun = 164° Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.9 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#97 Note : FP:true Object is a Gaia mass determination target ! [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 2719cbf0-ddb0-11f0-547e-37adfeff99c8 [observed] Occultation Date + Time : 2023-05-29 at 20:55:07 UT +/- 0.01 min [1] Object Designation : (76) Freia Orbit Class : MBA Star Designation : GDR3 4118276498972243968 Star Coordinates (ICRF) : RA = 17 35 42.6638, DE = -20 58 54.852 [2] Star Magnitudes : G = 11.82 mag, RP = 11.29 mag, BP = 12.17 mag Object Magnitude : V = 13.73 mag Estimated Magnitude Drop : 2.1 mag Estimated Max. Duration : 12.7 sec Object Mean Diameter : 183.7 km (src: astorb) Speed of the shadow : 14.5 km/s Elongation to Moon & Sun : 81° (sunlit = 71%), Sun = 164° Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.9 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#97 Note : FP:true Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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