Cora»Occultation

2023-09-29 / UCAC4 531-037255 / (202791) 2008 QC4

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Daniel Antuszewicz	O-	VID	M200	PL	NTP	02:32:21			02:34:21

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#29 : 149ef960-ddb4-11f0-547e-41b57f957cdf [db: observed]

Using prediction 149ef960-ddb4-11f0-547e-41b57f957cdf for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 149ef960-ddb4-11f0-547e-41b57f957cdf [observed] Occultation Date + Time : 2023-09-29 at 02:36:36 UT +/- 0.06 min [1] Object Designation : (202791) 2008 QC4 Orbit Class : JTRO Star Designation : GDR3 3360101143573318784 Star Coordinates (ICRF) : RA = 07 05 02.8290, DE = +16 08 24.667 [2] Star Magnitudes : G = 11.85 mag, RP = 11.45 mag, BP = 12.09 mag Object Magnitude : V = 20.62 mag Estimated Magnitude Drop : 8.8 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 8.3 km (src: astorb) Speed of the shadow : 19.0 km/s Elongation to Moon & Sun : 104° (sunlit = 100%), Sun = 80° Cross-track uncertainty : 17.0 mas = 59 km = 7.21 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#29 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 149ef960-ddb4-11f0-547e-41b57f957cdf [observed] Occultation Date + Time : 2023-09-29 at 02:36:36 UT +/- 0.06 min [1] Object Designation : (202791) 2008 QC4 Orbit Class : JTRO Star Designation : GDR3 3360101143573318784 Star Coordinates (ICRF) : RA = 07 05 02.8290, DE = +16 08 24.667 [2] Star Magnitudes : G = 11.85 mag, RP = 11.45 mag, BP = 12.09 mag Object Magnitude : V = 20.62 mag Estimated Magnitude Drop : 8.8 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 8.3 km (src: astorb) Speed of the shadow : 19.0 km/s Elongation to Moon & Sun : 104° (sunlit = 100%), Sun = 80° Cross-track uncertainty : 17.0 mas = 59 km = 7.21 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#29 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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