Cora»Occultation

2024-12-31 / UCAC4 657-030778 / (1013) Tombecka

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Jordi Marco	O+	CCD	M235	ES	NTP	21:48:54	21:50:49.4	21:50:53.9	21:52:51	1.0	0.5	4.50	33.8

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#65 : dd4cc3a0-ddb5-11f0-547e-dc95a736c9ca [db: observed]

Using prediction dd4cc3a0-ddb5-11f0-547e-dc95a736c9ca for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2024-12-31, 21:49 UT (JD = 2460676.409)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 2357	1.5	6.050	244°, 34°	2.449308e6	11368.4	0.0°	None	2018-07-19	not scaled	2018-07-18
# 2358	1.5	6.050	54°, 46°	2.449308e6	11368.4	0.0°	None	2018-07-19	not scaled	2018-07-18

Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0

Image size: 300px. Transparent image background for copy & paste

Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : dd4cc3a0-ddb5-11f0-547e-dc95a736c9ca [observed] Occultation Date + Time : 2024-12-31 at 21:49:29 UT +/- 0.01 min [1] Object Designation : (1013) Tombecka Orbit Class : MBA Star Designation : GDR3 0201089995141675136 Star Coordinates (ICRF) : RA = 05 10 21.9371, DE = +41 21 43.359 [2] Star Magnitudes : G = 13.94 mag, RP = 13.14 mag, BP = 14.63 mag Object Magnitude : V = 13.14 mag Estimated Magnitude Drop : 0.4 mag Estimated Max. Duration : 4.2 sec Object Mean Diameter : 31.9 km (src: astorb) Speed of the shadow : 7.5 km/s Elongation to Moon & Sun : 145° (sunlit = 1%), Sun = 153° Cross-track uncertainty : 1.0 mas = 0 km = 0.03 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#65 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : dd4cc3a0-ddb5-11f0-547e-dc95a736c9ca [observed] Occultation Date + Time : 2024-12-31 at 21:49:29 UT +/- 0.01 min [1] Object Designation : (1013) Tombecka Orbit Class : MBA Star Designation : GDR3 0201089995141675136 Star Coordinates (ICRF) : RA = 05 10 21.9371, DE = +41 21 43.359 [2] Star Magnitudes : G = 13.94 mag, RP = 13.14 mag, BP = 14.63 mag Object Magnitude : V = 13.14 mag Estimated Magnitude Drop : 0.4 mag Estimated Max. Duration : 4.2 sec Object Mean Diameter : 31.9 km (src: astorb) Speed of the shadow : 7.5 km/s Elongation to Moon & Sun : 145° (sunlit = 1%), Sun = 153° Cross-track uncertainty : 1.0 mas = 0 km = 0.03 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#65 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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