Cora»Occultation

2025-10-11 / Other J011059.42+083354.6 / (305) Gordonia

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Alfonso Noschese	O+	VID	M300	IT	GPS	23:16:14	23:16:42.397	23:16:46.226	23:17:14	0.020	0.010	3.83	48.3
2	show	Antonio Vecchione	O-	VID	M250	IT	GPS	23:16:15	::	::	23:17:14

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

2 observations found in db: sodis

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

JPL#95 : 8c17db20-ddb8-11f0-547e-7931ff9f357c [db: observed]

Using prediction 8c17db20-ddb8-11f0-547e-7931ff9f357c for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2025-10-11, 23:15 UT (JD = 2460960.469)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 4265	1.0	12.894	241°, -50°	2.451072e6	9888.5	0.0°	None	2019-09-26	not scaled	2019-05-07
# 4266	1.0	12.894	53°, -58°	2.451072e6	9888.5	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] : 8c17db20-ddb8-11f0-547e-7931ff9f357c [observed] Occultation Date + Time : 2025-10-11 at 23:19:29 UT +/- 0.01 min [1] Object Designation : (305) Gordonia Orbit Class : MBA Star Designation : GDR3 2578003030788612864 Star Coordinates (ICRF) : RA = 01 10 59.4318, DE = +08 33 54.495 [2] Star Magnitudes : G = 11.61 mag, RP = 11.12 mag, BP = 11.94 mag Object Magnitude : V = 12.79 mag Estimated Magnitude Drop : 1.5 mag Estimated Max. Duration : 3.9 sec Object Mean Diameter : 49.2 km (src: astorb) Speed of the shadow : 12.6 km/s Elongation to Moon & Sun : 66° (sunlit = 70%), Sun = 179° Cross-track uncertainty : 1.7 mas = 2 km = 0.05 path-width (1-sig) RUWE and duplicate source : 1.41 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#95 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 8c17db20-ddb8-11f0-547e-7931ff9f357c [observed] Occultation Date + Time : 2025-10-11 at 23:19:29 UT +/- 0.01 min [1] Object Designation : (305) Gordonia Orbit Class : MBA Star Designation : GDR3 2578003030788612864 Star Coordinates (ICRF) : RA = 01 10 59.4318, DE = +08 33 54.495 [2] Star Magnitudes : G = 11.61 mag, RP = 11.12 mag, BP = 11.94 mag Object Magnitude : V = 12.79 mag Estimated Magnitude Drop : 1.5 mag Estimated Max. Duration : 3.9 sec Object Mean Diameter : 49.2 km (src: astorb) Speed of the shadow : 12.6 km/s Elongation to Moon & Sun : 66° (sunlit = 70%), Sun = 179° Cross-track uncertainty : 1.7 mas = 2 km = 0.05 path-width (1-sig) RUWE and duplicate source : 1.41 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#95 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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