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2023-09-26 / UCAC4 601-024235 / (407) Arachne

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Jan Manek O+ VID M355 CZ GPS 04:19:58 04:20:53.70 04:21:00.76 04:21:58 0.03 0.03 7.06 98.1
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#67 : 5a93ecc6-12fa-4fe2-a11b-3a842f67da27 [db: observed]
JPL#67 : 00535d9c-648e-4550-bdd0-3ff9f823ed2d [db: observed]
JPL#67 : 9255c830-c02b-4408-90a5-16cbb14121c0 [db: observed]

Using prediction 5a93ecc6-12fa-4fe2-a11b-3a842f67da27 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2023-09-26, 04:19 UT (JD = 2460213.680)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 813None22.626 43°, -58° 2.446447e613766.70.0° NoneNone not scaled 2016-01-04
# 814None22.626 241°, -63° 2.446447e613766.70.0° NoneNone not scaled 2016-01-04
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] : 5a93ecc6-12fa-4fe2-a11b-3a842f67da27 [observed]

 Occultation Date + Time   : 2023-09-26 at 04:20:57 UT +/- 0.02 min  [1]
 Object Designation        : (407) Arachne
 Orbit Class               : MBA
 Star Designation          : GDR3 3444375067711492224
 Star Coordinates (ICRF)   : RA = 05 46 07.3658, DE = +30 05 59.357  [2]
 Star Magnitudes           : G = 11.83 mag, RP = 11.36 mag, BP = 12.14 mag
 Object Magnitude          : V = 14.01 mag
 Estimated Magnitude Drop  : 2.3 mag
 Estimated Max. Duration   : 6.9 sec
 Object Mean Diameter      : 95 km  (src: astorb)
 Speed of the shadow       : 13.9 km/s
 Elongation to Moon & Sun  : 130° (sunlit = 85%), Sun = 96°
 Cross-track uncertainty   : 1.3 mas = 2 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.29 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#67

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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