Cora»Occultation

2025-09-14 / Other Other J014644.52+142602.6 / (85) Io

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Karim Saci	O+	VID	M250	FR	GPS	02:37:35	02:42:44.863	02:43:12.090	02:44:38	0.050	0.050	27.23	155.2

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#140 : 6cac4bf0-ddb7-11f0-547e-85fdb7ff4efa [db: observed]

Using prediction 6cac4bf0-ddb7-11f0-547e-85fdb7ff4efa for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2025-09-14, 02:42 UT (JD = 2460932.613)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 292	None	6.875	95°, -65°	2.438593e6	22339.6	0.0°	size from AO is 152+/-15 km	2013-07-23	163.0 +/- 15.0 km	2011-02-15
# 1822	4.0	6.875	92°, -68°	2.438593e6	22339.6	0.0°	None	2017-06-19	167.0 +/- 3.0 km	2017-06-09

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] : 6cac4bf0-ddb7-11f0-547e-85fdb7ff4efa [observed] Occultation Date + Time : 2025-09-14 at 02:53:35 UT +/- 0.03 min [1] Object Designation : (85) Io Orbit Class : MBA Star Designation : GDR3 2588021471503184640 Star Coordinates (ICRF) : RA = 01 46 44.5178, DE = +14 26 02.541 [2] Star Magnitudes : G = 11.92 mag, RP = 11.43 mag, BP = 12.25 mag Object Magnitude : V = 11.29 mag Estimated Magnitude Drop : 0.5 mag Estimated Max. Duration : 27.2 sec Object Mean Diameter : 154.8 km (src: astorb) Speed of the shadow : 5.7 km/s Elongation to Moon & Sun : 47° (sunlit = 54%), Sun = 142° Cross-track uncertainty : 1.0 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.12 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#140 Note : FP:true Object is a "TNOs are cool" target ! [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 6cac4bf0-ddb7-11f0-547e-85fdb7ff4efa [observed] Occultation Date + Time : 2025-09-14 at 02:53:35 UT +/- 0.03 min [1] Object Designation : (85) Io Orbit Class : MBA Star Designation : GDR3 2588021471503184640 Star Coordinates (ICRF) : RA = 01 46 44.5178, DE = +14 26 02.541 [2] Star Magnitudes : G = 11.92 mag, RP = 11.43 mag, BP = 12.25 mag Object Magnitude : V = 11.29 mag Estimated Magnitude Drop : 0.5 mag Estimated Max. Duration : 27.2 sec Object Mean Diameter : 154.8 km (src: astorb) Speed of the shadow : 5.7 km/s Elongation to Moon & Sun : 47° (sunlit = 54%), Sun = 142° Cross-track uncertainty : 1.0 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.12 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#140 Note : FP:true Object is a "TNOs are cool" target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

More Data and Informations

SiMDA \| 3D Asteroid Catalogue \| Johnston Archive \| Star at CDS (Vizier) \| JPL Small-Body Node \| Minor Planet Center \| Wikipedia

(If error 404: link not valid which means no data available)

Aladin Sky Atlas

Loading sky atlas…

Aladin Lite direct link (has Gaia overlay)