Cora»Occultation

2023-09-22 / UCAC4 561-016649 / (149) Medusa

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Marcin Filipek	O+	VID	M250	PL	GPS	02:30:31	02:30:57.78	02:30:58.83	02:31:30	0.18	0.17	1.05	15.9

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#79 : 1120a810-ddb4-11f0-547e-3460ddef0164 [db: observed]

Using prediction 1120a810-ddb4-11f0-547e-3460ddef0164 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2023-09-22, 02:30 UT (JD = 2460209.604)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 570	None	26.046	173°, -78°	2.4449e6	15309.6	0.0°	None	None	not scaled	2013-02-11
# 571	None	26.045	306°, -67°	2.4449e6	15309.6	0.0°	None	None	not scaled	2013-02-11

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] : 1120a810-ddb4-11f0-547e-3460ddef0164 [observed] Occultation Date + Time : 2023-09-22 at 02:32:44 UT +/- 0.0 min [1] Object Designation : (149) Medusa Orbit Class : MBA Star Designation : GDR3 3403978082792327296 Star Coordinates (ICRF) : RA = 05 27 22.3374, DE = +22 07 28.466 [2] Star Magnitudes : G = 14.87 mag, RP = 14.24 mag, BP = 15.32 mag Object Magnitude : V = 14.45 mag Estimated Magnitude Drop : 0.6 mag Estimated Max. Duration : 1.3 sec Object Mean Diameter : 19.7 km (src: astorb) Speed of the shadow : 15.1 km/s Elongation to Moon & Sun : 174° (sunlit = 43%), Sun = 96° Cross-track uncertainty : 0.4 mas = 0 km = 0.02 path-width (1-sig) RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#79 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 1120a810-ddb4-11f0-547e-3460ddef0164 [observed] Occultation Date + Time : 2023-09-22 at 02:32:44 UT +/- 0.0 min [1] Object Designation : (149) Medusa Orbit Class : MBA Star Designation : GDR3 3403978082792327296 Star Coordinates (ICRF) : RA = 05 27 22.3374, DE = +22 07 28.466 [2] Star Magnitudes : G = 14.87 mag, RP = 14.24 mag, BP = 15.32 mag Object Magnitude : V = 14.45 mag Estimated Magnitude Drop : 0.6 mag Estimated Max. Duration : 1.3 sec Object Mean Diameter : 19.7 km (src: astorb) Speed of the shadow : 15.1 km/s Elongation to Moon & Sun : 174° (sunlit = 43%), Sun = 96° Cross-track uncertainty : 0.4 mas = 0 km = 0.02 path-width (1-sig) RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#79 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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