Cora»Occultation

2023-04-03 / UCAC4 549-022827 / (216462) Polyphontes

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT4
1	show	Roland BONINSEGNA	O-	VID	M300	BE	GPS	22:14:28	22:17:28
2	show	Karim Saci	O-	VID	M250	FR	GPS	22:10:00	22:20:00
3	show	Jean Bourgeois	O-	VID	M356	BE	GPS	22:15:2.	22:17:00
4	show	Philip Denyer	O-	VID	M235	GB	GPS	22:15:05	22:16:50
5	show	Tim Haymes	O-	VID	M280	GB	GPS	22:14:00	22:17:00
6	show	Simon Kidd	O-	VID	M350	GB	GPS	22:14:46	22:16:45
7	show	Alex Pratt	O-	VID	M280	GB	GPS	22:14:44	22:16:14

UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

7 observations found in db: sodis

Available (probably) matching predictions (click on the link to switch):

JPL#31 : 880ccc70-ddb3-11f0-547e-50cafaff6ada [db: observed]

Using prediction 880ccc70-ddb3-11f0-547e-50cafaff6ada for map and profile fit

Get observations as KML file (reduced site location resolution)

Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 880ccc70-ddb3-11f0-547e-50cafaff6ada [observed] Occultation Date + Time : 2023-04-03 at 22:12:38 UT +/- 0.06 min [1] Object Designation : (216462) Polyphontes Orbit Class : JTRO Star Designation : GDR3 3374753102383817728 Star Coordinates (ICRF) : RA = 06 06 17.0059, DE = +19 38 39.903 [2] Star Magnitudes : G = 11.77 mag, RP = 10.41 mag, BP = 14.08 mag Object Magnitude : V = 20.38 mag Estimated Magnitude Drop : 8.6 mag Estimated Max. Duration : 0.5 sec Object Mean Diameter : 9.4 km (src: astorb) Speed of the shadow : 19.6 km/s Elongation to Moon & Sun : 77° (sunlit = 95%), Sun = 78° Cross-track uncertainty : 17.3 mas = 61 km = 6.52 path-width (1-sig) RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#31 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 880ccc70-ddb3-11f0-547e-50cafaff6ada [observed] Occultation Date + Time : 2023-04-03 at 22:12:38 UT +/- 0.06 min [1] Object Designation : (216462) Polyphontes Orbit Class : JTRO Star Designation : GDR3 3374753102383817728 Star Coordinates (ICRF) : RA = 06 06 17.0059, DE = +19 38 39.903 [2] Star Magnitudes : G = 11.77 mag, RP = 10.41 mag, BP = 14.08 mag Object Magnitude : V = 20.38 mag Estimated Magnitude Drop : 8.6 mag Estimated Max. Duration : 0.5 sec Object Mean Diameter : 9.4 km (src: astorb) Speed of the shadow : 19.6 km/s Elongation to Moon & Sun : 77° (sunlit = 95%), Sun = 78° Cross-track uncertainty : 17.3 mas = 61 km = 6.52 path-width (1-sig) RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#31 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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