Cora»Occultation

2023-03-29 / UCAC4 327-089704 / (207) Hedda

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	MICHAIL DOGRAMATZIDIS	O+	CCD	T356	GR	GPS	02:42:38	02:44:39.276	02:44:43.027	02:46:05	0.55	0.55	3.75	31.5

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#90 : 844404a0-ddb3-11f0-547e-91a6a7fe3e3f [db: observed]

Using prediction 844404a0-ddb3-11f0-547e-91a6a7fe3e3f for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2023-03-29, 02:44 UT (JD = 2460032.614)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 4799	1.0	30.105	264°, -48°	2.457358e6	2674.6	0.0°	None	2020-10-05	not scaled	2019-10-23
# 4800	1.0	30.104	2°, -61°	2.457358e6	2674.6	0.0°	None	2020-10-05	not scaled	2019-10-23

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] : 844404a0-ddb3-11f0-547e-91a6a7fe3e3f [observed] Occultation Date + Time : 2023-03-29 at 02:49:01 UT +/- 0.01 min [1] Object Designation : (207) Hedda Orbit Class : MBA Star Designation : GDR3 4113091343903921152 Star Coordinates (ICRF) : RA = 17 02 47.3048, DE = -24 47 23.068 [2] Star Magnitudes : G = 13.64 mag, RP = 12.88 mag, BP = 14.27 mag Object Magnitude : V = 14.23 mag Estimated Magnitude Drop : 1.1 mag Estimated Max. Duration : 7.0 sec Object Mean Diameter : 58.7 km (src: astorb) Speed of the shadow : 8.4 km/s Elongation to Moon & Sun : 159° (sunlit = 50%), Sun = 111° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#90 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 844404a0-ddb3-11f0-547e-91a6a7fe3e3f [observed] Occultation Date + Time : 2023-03-29 at 02:49:01 UT +/- 0.01 min [1] Object Designation : (207) Hedda Orbit Class : MBA Star Designation : GDR3 4113091343903921152 Star Coordinates (ICRF) : RA = 17 02 47.3048, DE = -24 47 23.068 [2] Star Magnitudes : G = 13.64 mag, RP = 12.88 mag, BP = 14.27 mag Object Magnitude : V = 14.23 mag Estimated Magnitude Drop : 1.1 mag Estimated Max. Duration : 7.0 sec Object Mean Diameter : 58.7 km (src: astorb) Speed of the shadow : 8.4 km/s Elongation to Moon & Sun : 159° (sunlit = 50%), Sun = 111° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#90 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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