Collaborative Occultation
Resources and Archive
CORA

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

2025-10-16 / UCAC4 557-037289 / (40) Harmonia

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Jocelyn SEROT O+ VID M210 FR NTP 03:44:12 03:46:06.69 03:46:15.21 03:48:12 0.040 0.110 8.52 112.5
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: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#152 : 91c149d0-ddb8-11f0-547e-b314fdcebe53 [db: observed]

Using prediction 91c149d0-ddb8-11f0-547e-b314fdcebe53 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2025-10-16, 03:46 UT (JD = 2460964.657)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 313None8.908 22°, 31° 2.436217e624747.70.0° None2013-07-24 123.0 +/- 12.0 km 2011-04-21
# 18554.08.908 22°, 38° 2.436217e624747.70.0° None2017-09-21 111.0 +/- 7.0 km 2017-09-21
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] : 91c149d0-ddb8-11f0-547e-b314fdcebe53 [observed]

 Occultation Date + Time   : 2025-10-16 at 03:48:58 UT +/- 0.01 min  [1]
 Object Designation        : (40) Harmonia
 Orbit Class               : MBA
 Star Designation          : GDR3 3366939487421831424
 Star Coordinates (ICRF)   : RA = 07 05 48.6514, DE = +21 14 51.359  [2]
 Star Magnitudes           : G = 12.22 mag, RP = 11.82 mag, BP = 12.46 mag
 Object Magnitude          : V = 10.86 mag
 Estimated Magnitude Drop  : 0.3 mag
 Estimated Max. Duration   : 8.1 sec
 Object Mean Diameter      : 107.6 km  (src: astorb)
 Speed of the shadow       : 13.2 km/s
 Elongation to Moon & Sun  : 37° (sunlit = 26%), Sun = 98°
 Cross-track uncertainty   : 1.4 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 2.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#152
 Note                      : FP:true

 
 [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)