Cora»Occultation

2025-11-26 / Other J060806.49+282602.5 / (8128) Nicomachus

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Stefano Sposetti	O-	VID	M420	CH	GPS	22:53:00	::	::	22:57:00

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#63 : cde037f0-ddb8-11f0-547e-ade0b357a58a [db: observed]

JPL#63 : cde037f0-ddb8-11f0-547e-dc08f49f766a [db: observed]

Using prediction cde037f0-ddb8-11f0-547e-ade0b357a58a for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : cde037f0-ddb8-11f0-547e-ade0b357a58a [observed] Occultation Date + Time : 2025-11-26 at 22:50:17 UT +/- 0.01 min [1] Object Designation : (8128) Nicomachus Orbit Class : MBA Star Designation : GDR3 3436559193602425728 Star Coordinates (ICRF) : RA = 06 08 06.4863, DE = +28 26 02.511 [2] Star Magnitudes : G = 14.89 mag, RP = 18.54 mag, BP = 20.31 mag Object Magnitude : V = 17.9 mag Estimated Magnitude Drop : 3.1 mag Estimated Max. Duration : 0.9 sec Object Mean Diameter : 9.8 km (src: astorb) Speed of the shadow : 11.5 km/s Elongation to Moon & Sun : 133° (sunlit = 36%), Sun = 153° Cross-track uncertainty : 3.5 mas = 6 km = 0.64 path-width (1-sig) RUWE and duplicate source : 0.97 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#63 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : cde037f0-ddb8-11f0-547e-ade0b357a58a [observed] Occultation Date + Time : 2025-11-26 at 22:50:17 UT +/- 0.01 min [1] Object Designation : (8128) Nicomachus Orbit Class : MBA Star Designation : GDR3 3436559193602425728 Star Coordinates (ICRF) : RA = 06 08 06.4863, DE = +28 26 02.511 [2] Star Magnitudes : G = 14.89 mag, RP = 18.54 mag, BP = 20.31 mag Object Magnitude : V = 17.9 mag Estimated Magnitude Drop : 3.1 mag Estimated Max. Duration : 0.9 sec Object Mean Diameter : 9.8 km (src: astorb) Speed of the shadow : 11.5 km/s Elongation to Moon & Sun : 133° (sunlit = 36%), Sun = 153° Cross-track uncertainty : 3.5 mas = 6 km = 0.64 path-width (1-sig) RUWE and duplicate source : 0.97 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#63 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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