Cora»Occultation

2026-04-02 / UCAC4 636-044649 / (795) Fini

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Jiri Polak	O+	VID	M300	CZ	NTP	22:41:25	22:43:24.84	22:43:26.14	22:45:25	0.100	0.100	1.30	15.1
2	show	Jiri Kubanek	O+	VID	M303	CZ	GPS	22:42:24	22:43:21.67	22:43:25.77	22:44:24	0.180	0.140	4.10	47.6
3	show	Zdenek Sikac	O+	VID	T150	CZ	GPS	22:42:20	22:43:19.52	22:43:21.31	22:44:21	0.160	0.160	1.79	20.8

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

3 observations found in db: sodis

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

JPL#95 : 551dfa20-33d3-11f1-6999-2f773dfcda27 [db: asteroids]

Using prediction 551dfa20-33d3-11f1-6999-2f773dfcda27 for map and profile fit

Get observations as KML file (reduced site location resolution)

Ellipse and circular profile fits to the timings (chords)

Auto-Fit Result:
Ellipse profile fit was not successful. Trying circular fit.

Circular diameter = 50 km

From 3 chords (VID)

You can enter space separated chord numbers (example: 11 4 8) or a method like VIS to ignore all visual timings, or a time source like RAD and NTP (but not GPS).
If the plot disappears, then there are less than 2 chords left (too much ignored, go back with browser).

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Check Johnston Archive for satellites.

Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 551dfa20-33d3-11f1-6999-2f773dfcda27 [asteroids] Occultation Date + Time : 2026-04-02 at 22:45:58 UT +/- 0.03 min [1] Object Designation : (795) Fini Orbit Class : MBA Star Designation : GDR3 0717197214163318528 Star Coordinates (ICRF) : RA = 08 54 07.6039, DE = +37 03 18.961 [2] Star Magnitudes : G = 14.25 mag, RP = 13.82 mag, BP = 14.52 mag Object Magnitude : V = 14.73 mag Estimated Magnitude Drop : 1.0 mag Estimated Max. Duration : 6.4 sec Object Mean Diameter : 74.7 km (src: astorb) Speed of the shadow : 11.6 km/s Elongation to Moon & Sun : 79° (sunlit = 99%), Sun = 111° Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.95 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] : 551dfa20-33d3-11f1-6999-2f773dfcda27 [asteroids]

 Occultation Date + Time   : 2026-04-02 at 22:45:58 UT +/- 0.03 min  [1]
 Object Designation        : (795) Fini
 Orbit Class               : MBA
 Star Designation          : GDR3 0717197214163318528
 Star Coordinates (ICRF)   : RA = 08 54 07.6039, DE = +37 03 18.961  [2]
 Star Magnitudes           : G = 14.25 mag, RP = 13.82 mag, BP = 14.52 mag
 Object Magnitude          : V = 14.73 mag
 Estimated Magnitude Drop  : 1.0 mag
 Estimated Max. Duration   : 6.4 sec
 Object Mean Diameter      : 74.7 km  (src: astorb)
 Speed of the shadow       : 11.6 km/s
 Elongation to Moon & Sun  : 79° (sunlit = 99%), Sun = 111°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.95 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

More Data and Informations

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