Cora»Occultation

2025-09-06 / UCAC4 473-090176 / (1656) Suomi

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Michal Rottenborn	O-	VID	M254	CZ	GPS	21:00:58	::	::	21:02:59
2	show	Jiri Kubanek	O-	VID	M303	CZ	GPS	21:01:00	::	::	21:03:00

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#70 : 66117860-ddb7-11f0-547e-91669edffaa1 [db: observed]

JPL#70 : 66117860-ddb7-11f0-547e-f4a15fb51c08 [db: observed]

Using prediction 66117860-ddb7-11f0-547e-91669edffaa1 for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 66117860-ddb7-11f0-547e-91669edffaa1 [observed] Occultation Date + Time : 2025-09-06 at 20:35:43 UT +/- 0.02 min [1] Object Designation : (1656) Suomi Orbit Class : MBA Star Designation : GDR3 4269388639810873472 Star Coordinates (ICRF) : RA = 19 08 27.4614, DE = +04 27 14.927 [2] Star Magnitudes : G = 14.65 mag, RP = 13.33 mag, BP = 16.75 mag Object Magnitude : V = 16.31 mag Estimated Magnitude Drop : 1.9 mag Estimated Max. Duration : 0.6 sec Object Mean Diameter : 8.1 km (src: astorb) Speed of the shadow : 13.4 km/s Elongation to Moon & Sun : 50° (sunlit = 99%), Sun = 121° Cross-track uncertainty : 0.4 mas = 0 km = 0.05 path-width (1-sig) RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#70 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 66117860-ddb7-11f0-547e-91669edffaa1 [observed] Occultation Date + Time : 2025-09-06 at 20:35:43 UT +/- 0.02 min [1] Object Designation : (1656) Suomi Orbit Class : MBA Star Designation : GDR3 4269388639810873472 Star Coordinates (ICRF) : RA = 19 08 27.4614, DE = +04 27 14.927 [2] Star Magnitudes : G = 14.65 mag, RP = 13.33 mag, BP = 16.75 mag Object Magnitude : V = 16.31 mag Estimated Magnitude Drop : 1.9 mag Estimated Max. Duration : 0.6 sec Object Mean Diameter : 8.1 km (src: astorb) Speed of the shadow : 13.4 km/s Elongation to Moon & Sun : 50° (sunlit = 99%), Sun = 121° Cross-track uncertainty : 0.4 mas = 0 km = 0.05 path-width (1-sig) RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#70 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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