Cora»Occultation

2024-09-20 / UCAC4 588-022487 / (578) Happelia

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Arnaud Leroy	O+	VID	M250	FR	GPS	03:57:16	03:58:44.23	03:58:49.01	04:00:16	0.05	0.05	4.78	69.3
2	show	Roland BONINSEGNA	O-	VID	M400	BE	GPS	03:57:56			03:59:55

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#149 : 6b1da790-ddb5-11f0-547e-f3d0ffbd5d7e [db: observed]

Using prediction 6b1da790-ddb5-11f0-547e-f3d0ffbd5d7e for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2024-09-20, 03:58 UT (JD = 2460573.665)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 660	None	10.064	339°, 62°	2.450857e6	9716.7	0.0°	None	None	70.0 +/- 5.0 km	2013-02-11

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] : 6b1da790-ddb5-11f0-547e-f3d0ffbd5d7e [observed] Occultation Date + Time : 2024-09-20 at 04:00:14 UT +/- 0.0 min [1] Object Designation : (578) Happelia Orbit Class : MBA Star Designation : GDR3 3430968761089527424 Star Coordinates (ICRF) : RA = 05 53 01.1203, DE = +27 35 48.295 [2] Star Magnitudes : G = 12.44 mag, RP = 11.99 mag, BP = 12.71 mag Object Magnitude : V = 15.32 mag Estimated Magnitude Drop : 3.0 mag Estimated Max. Duration : 4.8 sec Object Mean Diameter : 69.3 km (src: astorb) Speed of the shadow : 14.5 km/s Elongation to Moon & Sun : 62° (sunlit = 94%), Sun = 89° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#149 Note : FP:true Object is a Gaia mass determination target ! [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 6b1da790-ddb5-11f0-547e-f3d0ffbd5d7e [observed] Occultation Date + Time : 2024-09-20 at 04:00:14 UT +/- 0.0 min [1] Object Designation : (578) Happelia Orbit Class : MBA Star Designation : GDR3 3430968761089527424 Star Coordinates (ICRF) : RA = 05 53 01.1203, DE = +27 35 48.295 [2] Star Magnitudes : G = 12.44 mag, RP = 11.99 mag, BP = 12.71 mag Object Magnitude : V = 15.32 mag Estimated Magnitude Drop : 3.0 mag Estimated Max. Duration : 4.8 sec Object Mean Diameter : 69.3 km (src: astorb) Speed of the shadow : 14.5 km/s Elongation to Moon & Sun : 62° (sunlit = 94%), Sun = 89° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#149 Note : FP:true Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

More Data and Informations

SiMDA \| 3D Asteroid Catalogue \| Johnston Archive \| Star at CDS (Vizier) \| JPL Small-Body Node \| Minor Planet Center \| Wikipedia

(If error 404: link not valid which means no data available)

Aladin Sky Atlas

Loading sky atlas…

Aladin Lite direct link (has Gaia overlay)