UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
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1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
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
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Map with groundtrack and observer stations
Event Details
Occultation UUID [and DB] : 8ca16fc0-ddb3-11f0-547e-b807cf540275 [observed]
Occultation Date + Time : 2023-04-15 at 19:36:01 UT +/- 0.0 min [1]
Object Designation : (757) Portlandia
Orbit Class : MBA
Star Designation : GDR3 0690900572519573376
Star Coordinates (ICRF) : RA = 08 51 16.8294, DE = +25 35 34.009 [2]
Star Magnitudes : G = 13.12 mag, RP = 12.48 mag, BP = 13.6 mag
Object Magnitude : V = 14.42 mag
Estimated Magnitude Drop : 1.6 mag
Estimated Max. Duration : 2.6 sec
Object Mean Diameter : 32.1 km (src: astorb)
Speed of the shadow : 12.4 km/s
Elongation to Moon & Sun : 160° (sunlit = 23%), Sun = 103°
Cross-track uncertainty : 0.7 mas = 0 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#112
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
