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2022-02-11 / 4UC 539-047374 / (1171) Rusthawelia

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Stefano Sposetti O+ CCD M420 CH GPS++ 00:33:15 00:35:35.72 00:35:42.62 00:35:56 0.10 0.10 6.90 85.6
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

1 observation found in db: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#61 : 30729375-96a8-4f4c-b3fa-71607a40f987 [db: observed]

Using prediction 30729375-96a8-4f4c-b3fa-71607a40f987 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2022-02-11, 00:35 UT (JD = 2459621.524)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 31881.011.005 13°, 59° 2.451111e68510.50.0° None2019-09-26 not scaled 2019-05-07
# 31891.011.005 193°, 64° 2.451111e68510.50.0° None2019-09-26 not scaled 2019-05-07
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] : 30729375-96a8-4f4c-b3fa-71607a40f987 [observed]

 Occultation Date + Time   : 2022-02-11 at 00:36:15 UT +/- 0.02 min  [1]
 Object Designation        : (1171) Rusthawelia
 Orbit Class               : MBA
 Star Designation          : GDR3 0635306687637106432
 Star Coordinates (ICRF)   : RA = 09 07 42.2530, DE = +17 45 08.468  [2]
 Star Magnitudes           : G = 13.64 mag, RP = 13.16 mag, BP = 13.95 mag
 Object Magnitude          : V = 14.25 mag
 Estimated Magnitude Drop  : 1.1 mag
 Estimated Max. Duration   : 5.7 sec
 Object Mean Diameter      : 70 km  (src: astorb)
 Speed of the shadow       : 12.4 km/s
 Elongation to Moon & Sun  : 55° (sunlit = 72%), Sun = 172°
 Cross-track uncertainty   : 2.3 mas = 3 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#61

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

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