Cora»Occultation

2025-09-21 / UCAC4 365-191687 / (175113) 2004 PF115

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Tim Haymes	O-	CCD	M280	GB	GPS	22:24:17	::	::	22:28:57
2	show	Simon Kidd	O-	VID	M350	GB	GPS	22:26:00	::	::	22:29:30

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

2 observations found in db: sodis

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

JPL#20 (24-02-23) : ae792390-d2a7-11ee-7567-76623dd19c92 [db: cetnos]

JPL#23 : 07e41480-4098-11f0-4ed7-8cbcfff70609 [db: cetnos]

Using prediction ae792390-d2a7-11ee-7567-76623dd19c92 for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : ae792390-d2a7-11ee-7567-76623dd19c92 [cetnos] Occultation Date + Time : 2025-09-21 at 22:27:57 UT +/- 0.5 min [1] Object Designation : (175113) 2004 PF115 Orbit Class : TNO Star Designation : GDR3 2394581642049507328 Star Coordinates (ICRF) : RA = 23 38 56.4968, DE = -17 07 07.981 [2] Star Magnitudes : G = 15.78 mag, RP = 15.25 mag, BP = 16.16 mag Object Magnitude : V = 20.74 mag Estimated Magnitude Drop : 5.0 mag Estimated Max. Duration : 17.4 sec Object Mean Diameter : 430.0 km (src: CORA+astorb) Speed of the shadow : 24.7 km/s Elongation to Moon & Sun : 161° (sunlit = 0%), Sun = 163° Cross-track uncertainty : 8.3 mas = 245 km = 0.57 path-width (1-sig) RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#20 (24-02-23) 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] : ae792390-d2a7-11ee-7567-76623dd19c92 [cetnos] Occultation Date + Time : 2025-09-21 at 22:27:57 UT +/- 0.5 min [1] Object Designation : (175113) 2004 PF115 Orbit Class : TNO Star Designation : GDR3 2394581642049507328 Star Coordinates (ICRF) : RA = 23 38 56.4968, DE = -17 07 07.981 [2] Star Magnitudes : G = 15.78 mag, RP = 15.25 mag, BP = 16.16 mag Object Magnitude : V = 20.74 mag Estimated Magnitude Drop : 5.0 mag Estimated Max. Duration : 17.4 sec Object Mean Diameter : 430.0 km (src: CORA+astorb) Speed of the shadow : 24.7 km/s Elongation to Moon & Sun : 161° (sunlit = 0%), Sun = 163° Cross-track uncertainty : 8.3 mas = 245 km = 0.57 path-width (1-sig) RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#20 (24-02-23) Object is a "TNOs are cool" target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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