Cora»Occultation

2026-06-22 / UCAC4 353-110108 / (797) Montana

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Javier Prat, Pedro Martorell	O+	CCD	M310	ES	GPS	23:22:39	23:24:37.6	23:24:39.4	23:26:38	0.300	0.300	1.80	17.3

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#67 : 74f056e0-33d3-11f1-6999-4d3bbb6f0c40 [db: asteroids]

JPL#67 : 74f0a500-33d3-11f1-6999-c3c8bffc3a87 [db: asteroids]

Using prediction 74f056e0-33d3-11f1-6999-4d3bbb6f0c40 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2026-06-22, 23:23 UT (JD = 2461214.474)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 964	None	4.546	6°, 61°	2.450966e6	10248.5	0.0°	None	None	not scaled	2016-01-04
# 965	None	4.546	179°, 45°	2.450966e6	10248.5	0.0°	None	None	not scaled	2016-01-04

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] : 74f056e0-33d3-11f1-6999-4d3bbb6f0c40 [asteroids] Occultation Date + Time : 2026-06-22 at 23:27:42 UT +/- 0.0 min [1] Object Designation : (797) Montana Orbit Class : MBA Star Designation : GDR3 4119893403882695424 Star Coordinates (ICRF) : RA = 17 44 45.8829, DE = -19 27 39.335 [2] Star Magnitudes : G = 14.44 mag, RP = 13.3 mag, BP = 15.74 mag Object Magnitude : V = 13.29 mag Estimated Magnitude Drop : 0.3 mag Estimated Max. Duration : 3.0 sec Object Mean Diameter : 28.4 km (src: astorb) Speed of the shadow : 9.6 km/s Elongation to Moon & Sun : 73° (sunlit = 61%), Sun = 174° Cross-track uncertainty : 0.4 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.88 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#67 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 74f056e0-33d3-11f1-6999-4d3bbb6f0c40 [asteroids] Occultation Date + Time : 2026-06-22 at 23:27:42 UT +/- 0.0 min [1] Object Designation : (797) Montana Orbit Class : MBA Star Designation : GDR3 4119893403882695424 Star Coordinates (ICRF) : RA = 17 44 45.8829, DE = -19 27 39.335 [2] Star Magnitudes : G = 14.44 mag, RP = 13.3 mag, BP = 15.74 mag Object Magnitude : V = 13.29 mag Estimated Magnitude Drop : 0.3 mag Estimated Max. Duration : 3.0 sec Object Mean Diameter : 28.4 km (src: astorb) Speed of the shadow : 9.6 km/s Elongation to Moon & Sun : 73° (sunlit = 61%), Sun = 174° Cross-track uncertainty : 0.4 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.88 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#67 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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