Cora»Occultation

2024-10-23 / UCAC4 409-088978 / (3139) Shantou

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Rui Goncalves	O+	VID	M256	PT	GPS	19:49:55	19:50:55.84	19:50:57.12	19:52:01	0.16	0.16	1.28	32.1

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#80 : 8d7ffe00-ddb5-11f0-547e-674ed775d914 [db: observed]

Using prediction 8d7ffe00-ddb5-11f0-547e-674ed775d914 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2024-10-23, 19:49 UT (JD = 2460607.326)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 5122	1.0	8.278	51°, 24°	2.457278e6	3329.3	0.0°	None	2020-10-05	not scaled	2019-10-23
# 5123	1.0	8.278	219°, 3°	2.457278e6	3329.3	0.0°	None	2020-10-05	not scaled	2019-10-23

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] : 8d7ffe00-ddb5-11f0-547e-674ed775d914 [observed] Occultation Date + Time : 2024-10-23 at 19:48:47 UT +/- 0.0 min [1] Object Designation : (3139) Shantou Orbit Class : MBA Star Designation : GDR3 4251626063856770176 Star Coordinates (ICRF) : RA = 18 46 56.7080, DE = -08 18 21.592 [2] Star Magnitudes : G = 13.0 mag, RP = 12.09 mag, BP = 13.86 mag Object Magnitude : V = 16.94 mag Estimated Magnitude Drop : 4.0 mag Estimated Max. Duration : 1.7 sec Object Mean Diameter : 41.7 km (src: astorb) Speed of the shadow : 25.1 km/s Elongation to Moon & Sun : 157° (sunlit = 55%), Sun = 72° Cross-track uncertainty : 0.3 mas = 0 km = 0.02 path-width (1-sig) RUWE and duplicate source : 0.82 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#80 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 8d7ffe00-ddb5-11f0-547e-674ed775d914 [observed] Occultation Date + Time : 2024-10-23 at 19:48:47 UT +/- 0.0 min [1] Object Designation : (3139) Shantou Orbit Class : MBA Star Designation : GDR3 4251626063856770176 Star Coordinates (ICRF) : RA = 18 46 56.7080, DE = -08 18 21.592 [2] Star Magnitudes : G = 13.0 mag, RP = 12.09 mag, BP = 13.86 mag Object Magnitude : V = 16.94 mag Estimated Magnitude Drop : 4.0 mag Estimated Max. Duration : 1.7 sec Object Mean Diameter : 41.7 km (src: astorb) Speed of the shadow : 25.1 km/s Elongation to Moon & Sun : 157° (sunlit = 55%), Sun = 72° Cross-track uncertainty : 0.3 mas = 0 km = 0.02 path-width (1-sig) RUWE and duplicate source : 0.82 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#80 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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