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2020-01-02 / 4UC 486-001729 / (4801) Ohre

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Jozef Csipes O+ CCD M400 SK NTP 20:21:06 20:26:50.61 20:26:51.56 20:30:07 0.5 0.5 0.95 11.7
2 show Stefano Sposetti O- VID M420 CH 20:23:45 20:28:18
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: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#52 : ca981ea3-36d6-4490-b6b4-cb0bc95c128e [db: observed]

Using prediction ca981ea3-36d6-4490-b6b4-cb0bc95c128e for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2020-01-02, 20:26 UT (JD = 2458851.351)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 1520None31.999 266°, -85° 2.451248e67603.40.0° NoneNone not scaled 2016-01-12
# 1521None31.999 121°, -74° 2.451248e67603.40.0° None2019-05-31 not scaled 2016-01-12
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] : ca981ea3-36d6-4490-b6b4-cb0bc95c128e [observed]

 Occultation Date + Time   : 2020-01-02 at 20:20:22 UT +/- 0.01 min  [1]
 Object Designation        : (4801) Ohre
 Orbit Class               : MBA
 Star Designation          : GDR3 2576805215949451776
 Star Coordinates (ICRF)   : RA = 01 17 33.5602, DE = +07 06 23.667  [2]
 Star Magnitudes           : G = 11.17 mag, RP = 10.46 mag, BP = 11.75 mag
 Object Magnitude          : V = 17.74 mag
 Estimated Magnitude Drop  : 6.6 mag
 Estimated Max. Duration   : 0.7 sec
 Object Mean Diameter      : 8 km  (src: astorb)
 Speed of the shadow       : 12.3 km/s
 Elongation to Moon & Sun  : 13° (sunlit = 47%), Sun = 99°
 Cross-track uncertainty   : 2.3 mas = 3 km = 0.42 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#52

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

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