Collaborative Occultation Resources and Archive (CORA)


Occultations | Observations | Reports | Info + Credits | JOA | Admin | Login

2022-11-22 / 4UC 465-044456 / (80) Sappho

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Serge Dramonis O+ CCD M406 GR GPS+ 03:12:00 03:19:57.31 03:20:00.99 03:21:40 0.07 0.07 3.68 54.5
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: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#60 (23-01-08) : ecf188e0-b068-4c82-ae6e-f8ce4760ad57 [db: observed]

Using prediction ecf188e0-b068-4c82-ae6e-f8ce4760ad57 for map and profile fit

Sky projection (artificial light) for occ. time: 2022-11-22, 03:18 UT (JD = 2459905.641)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 145None14.031 194°, -26° 2.443023e616882.60.0° size from AO is 72+/-9 km2013-07-23 67.0 +/- 11.0 km 2011-03-28
# 18324.014.031 196°, -21° 2.443023e616882.60.0° None2017-06-19 61.0 +/- 8.0 km 2017-06-09
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] : ecf188e0-b068-4c82-ae6e-f8ce4760ad57 [observed]

 Occultation Date + Time   : 2022-11-22 at 03:23:28 UT +/- 0.01 min  [1]
 Object Designation        : (80) Sappho
 Star Designation          : GDR3 3847117660043613184
 Star Coordinates (ICRF)   : RA = 09 50 53.9032, DE = +02 58 10.258  [2]
 Star Magnitudes           : G = 12.66 mag, RP = 12.26 mag, BP = 12.91 mag
 Object Magnitude          : V = 13.04 mag
 Estimated Magnitude Drop  : 1.0 mag
 Estimated Max. Duration   : 5.3 sec
 Object Mean Diameter      : 78 km  (src: astorb+H10)
 Speed of the shadow       : 14.8 km/s
 Elongation to Moon & Sun  : 67° (sunlit = 4%), Sun = 91°
 Cross-track uncertainty   : 1.3 mas = 2 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 2.13 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#60 (23-01-08)

 
 [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
Aladin Lite direct link (has Gaia overlay)