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: euraster
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] : e073a4e5-2328-40c6-bf55-b46c11abae98 [observed]
Occultation Date + Time : 2022-03-23 at 20:24:28 UT +/- 0.03 min [1]
Object Designation : (31205) 1998 BW
Orbit Class : MBA
Star Designation : GDR3 3381899996682008192
Star Coordinates (ICRF) : RA = 06 59 30.8443, DE = +26 13 49.324 [2]
Star Magnitudes : G = 12.53 mag, RP = 12.08 mag, BP = 12.82 mag
Object Magnitude : V = 18.34 mag
Estimated Magnitude Drop : 5.8 mag
Estimated Max. Duration : 0.8 sec
Object Mean Diameter : 8 km (src: astorb)
Speed of the shadow : 10.2 km/s
Elongation to Moon & Sun : 152° (sunlit = 66%), Sun = 100°
Cross-track uncertainty : 2.7 mas = 4 km = 0.58 path-width (1-sig)
RUWE and duplicate source : 1.16 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