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2020-09-17 / 4UC 473-002753 / (446) Aeternitas

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Pierre Le Cam O+ CCD M250 FR GPS++ 01:16:00 01:18:50.51 01:18:58.80 01:20:01 0.11 0.08 8.29 56.4
2 show Andreas Schweizer O- CCD L107 CH 01:16:42 01:18:03
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#107 : a364b02a-5590-4947-a02b-b1b921012996 [db: observed]

Using prediction a364b02a-5590-4947-a02b-b1b921012996 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2020-09-17, 01:18 UT (JD = 2459109.554)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 780None15.738 194°, 57° 2.454034e65075.60.0° NoneNone not scaled 2014-08-29
# 781None15.737 356°, 52° 2.454034e65075.60.0° NoneNone not scaled 2014-08-28
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] : a364b02a-5590-4947-a02b-b1b921012996 [observed]

 Occultation Date + Time   : 2020-09-17 at 01:17:30 UT +/- 0.02 min  [1]
 Object Designation        : (446) Aeternitas
 Orbit Class               : MBA
 Star Designation          : GDR3 2518759076541206016
 Star Coordinates (ICRF)   : RA = 01 58 51.5374, DE = +04 29 54.755  [2]
 Star Magnitudes           : G = 12.41 mag, RP = 11.82 mag, BP = 12.83 mag
 Object Magnitude          : V = 12.82 mag
 Estimated Magnitude Drop  : 1.0 mag
 Estimated Max. Duration   : 6.7 sec
 Object Mean Diameter      : 45 km  (src: astorb)
 Speed of the shadow       : 6.8 km/s
 Elongation to Moon & Sun  : 140° (sunlit = 0%), Sun = 145°
 Cross-track uncertainty   : 3.3 mas = 4 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 1.18 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#107

 Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

More Data and Informations
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