Cora»Occultation

2023-12-19 / UCAC4 536-022071 / (353179) 2009 RA12

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Deborah Smith	O-	CCD	M235	ES	NTP	00:30:43			00:34:43

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#24 : 49659050-ddb4-11f0-547e-a30feafabba7 [db: observed]

Using prediction 49659050-ddb4-11f0-547e-a30feafabba7 for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 49659050-ddb4-11f0-547e-a30feafabba7 [observed] Occultation Date + Time : 2023-12-19 at 00:32:49 UT +/- 0.07 min [1] Object Designation : (353179) 2009 RA12 Orbit Class : JTRO Star Designation : GDR3 3349807687511594752 Star Coordinates (ICRF) : RA = 05 57 46.4928, DE = +17 09 34.527 [2] Star Magnitudes : G = 12.88 mag, RP = 12.04 mag, BP = 13.63 mag Object Magnitude : V = 20.48 mag Estimated Magnitude Drop : 7.6 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 5.7 km (src: astorb) Speed of the shadow : 16.4 km/s Elongation to Moon & Sun : 102° (sunlit = 41%), Sun = 173° Cross-track uncertainty : 23.3 mas = 65 km = 11.58 path-width (1-sig) RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#24 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 49659050-ddb4-11f0-547e-a30feafabba7 [observed] Occultation Date + Time : 2023-12-19 at 00:32:49 UT +/- 0.07 min [1] Object Designation : (353179) 2009 RA12 Orbit Class : JTRO Star Designation : GDR3 3349807687511594752 Star Coordinates (ICRF) : RA = 05 57 46.4928, DE = +17 09 34.527 [2] Star Magnitudes : G = 12.88 mag, RP = 12.04 mag, BP = 13.63 mag Object Magnitude : V = 20.48 mag Estimated Magnitude Drop : 7.6 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 5.7 km (src: astorb) Speed of the shadow : 16.4 km/s Elongation to Moon & Sun : 102° (sunlit = 41%), Sun = 173° Cross-track uncertainty : 23.3 mas = 65 km = 11.58 path-width (1-sig) RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#24 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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