Cora»Occultation

2025-12-14 / UCAC4 478-002025 / (4325) Guest

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Olivier Schreurs	O+	VID	M254	BE	GPS	20:52:41	20:53:37.99	20:53:39.71	20:54:40	0.120	0.160	1.72	5.3

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#72 : db02f350-ddb8-11f0-547e-f9bee03d5bee [db: observed]

Using prediction db02f350-ddb8-11f0-547e-f9bee03d5bee for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2025-12-14, 20:52 UT (JD = 2461024.369)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 3942	1.0	5.304	247°, 40°	2.451056e6	9968.4	0.0°	None	2019-09-26	not scaled	2019-05-07
# 3943	1.0	5.304	63°, 39°	2.451056e6	9968.4	0.0°	None	2019-09-26	not scaled	2019-05-07

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] : db02f350-ddb8-11f0-547e-f9bee03d5bee [observed] Occultation Date + Time : 2025-12-14 at 20:28:03 UT +/- 0.07 min [1] Object Designation : (4325) Guest Orbit Class : MBA Star Designation : GDR3 2564302325632723712 Star Coordinates (ICRF) : RA = 01 20 19.4584, DE = +05 32 39.740 [2] Star Magnitudes : G = 13.91 mag, RP = 13.38 mag, BP = 14.27 mag Object Magnitude : V = 17.77 mag Estimated Magnitude Drop : 3.9 mag Estimated Max. Duration : 3.1 sec Object Mean Diameter : 9.6 km (src: astorb) Speed of the shadow : 3.1 km/s Elongation to Moon & Sun : 172° (sunlit = 23%), Sun = 117° Cross-track uncertainty : 0.7 mas = 1 km = 0.12 path-width (1-sig) RUWE and duplicate source : 1.18 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#72 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : db02f350-ddb8-11f0-547e-f9bee03d5bee [observed] Occultation Date + Time : 2025-12-14 at 20:28:03 UT +/- 0.07 min [1] Object Designation : (4325) Guest Orbit Class : MBA Star Designation : GDR3 2564302325632723712 Star Coordinates (ICRF) : RA = 01 20 19.4584, DE = +05 32 39.740 [2] Star Magnitudes : G = 13.91 mag, RP = 13.38 mag, BP = 14.27 mag Object Magnitude : V = 17.77 mag Estimated Magnitude Drop : 3.9 mag Estimated Max. Duration : 3.1 sec Object Mean Diameter : 9.6 km (src: astorb) Speed of the shadow : 3.1 km/s Elongation to Moon & Sun : 172° (sunlit = 23%), Sun = 117° Cross-track uncertainty : 0.7 mas = 1 km = 0.12 path-width (1-sig) RUWE and duplicate source : 1.18 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#72 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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