Collaborative Occultation Resources and Archive (CORA)

2023-10-09 / UCAC4 551-023978 / (776) Berbericia

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Rui Goncalves	O+	VID	M256	PT	GPS	01:53:13	01:54:14.4	01:54:24.4	01:55:38	1.5	0.6	10.00	111.0
2	show	Eric Barbotin	O+	VID	T500	FR	NTP	01:54:05	01:55:33.85	01:55:42.91	01:57:05	0.073	0.073	9.06	100.6

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#135 : 7598e904-4702-4e5d-9ef0-938b0107292f [db: observed]

JPL#141 : 84fc4a50-c33e-11ef-5276-82f086cfe2a2 [db: observed]

Using prediction 7598e904-4702-4e5d-9ef0-938b0107292f for map and profile fit

Get observations as KML file (reduced site location resolution)

Ellipse and circular profile fits to the timings (chords)

Auto-Fit Result:
X0,Y0 = 1662.5, 21.5 km
Circular diameter = 172 km

From 2 chords (VID)

You can enter space separated chord numbers (example: 11 4 8) or a method like VIS to ignore all visual timings, or a time source like RAD and NTP (but not GPS).
If the plot disappears, then there are less than 2 chords left (too much ignored, go back with browser).

Check SiMDA for size and mass data.

Check Johnston Archive for satellites.

Sky projection (artificial light) for occ. time: 2023-10-09, 01:53 UT (JD = 2460226.578)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 251	None	7.667	347°, 12°	2.443391e6	16835.6	0.0°	None	2010-04-15	not scaled	2007-02-27

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] : 7598e904-4702-4e5d-9ef0-938b0107292f [observed] Occultation Date + Time : 2023-10-09 at 01:58:17 UT +/- 0.03 min [1] Object Designation : (776) Berbericia Orbit Class : MBA Star Designation : GDR3 3374265159739142912 Star Coordinates (ICRF) : RA = 06 15 45.1227, DE = +20 04 04.093 [2] Star Magnitudes : G = 13.85 mag, RP = 13.34 mag, BP = 14.19 mag Object Magnitude : V = 12.29 mag Estimated Magnitude Drop : 0.2 mag Estimated Max. Duration : 13.6 sec Object Mean Diameter : 151.2 km (src: astorb) Speed of the shadow : 11.1 km/s Elongation to Moon & Sun : 40° (sunlit = 27%), Sun = 102° Cross-track uncertainty : 4.7 mas = 7 km = 0.05 path-width (1-sig) RUWE and duplicate source : 0.91 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#135 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] : 7598e904-4702-4e5d-9ef0-938b0107292f [observed]

 Occultation Date + Time   : 2023-10-09 at 01:58:17 UT +/- 0.03 min  [1]
 Object Designation        : (776) Berbericia
 Orbit Class               : MBA
 Star Designation          : GDR3 3374265159739142912
 Star Coordinates (ICRF)   : RA = 06 15 45.1227, DE = +20 04 04.093  [2]
 Star Magnitudes           : G = 13.85 mag, RP = 13.34 mag, BP = 14.19 mag
 Object Magnitude          : V = 12.29 mag
 Estimated Magnitude Drop  : 0.2 mag
 Estimated Max. Duration   : 13.6 sec
 Object Mean Diameter      : 151.2 km  (src: astorb)
 Speed of the shadow       : 11.1 km/s
 Elongation to Moon & Sun  : 40° (sunlit = 27%), Sun = 102°
 Cross-track uncertainty   : 4.7 mas = 7 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 0.91 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#135

 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
06 15 45.123 +20 04 4.09 FoV: 29.96' +– × × Go to:
Aladin Lite direct link (has Gaia overlay)