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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2 observations 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] : fb25d6c0-89bd-11ef-78cd-fdf4fee66482 [asteroids]
Occultation Date + Time : 2025-03-18 at 20:19:22 UT +/- 0.0 min [1]
Object Designation : (4231) Fireman
Orbit Class : MBA
Star Designation : GDR3 3844257413687520000
Star Coordinates (ICRF) : RA = 09 23 28.4636, DE = +01 31 26.173 [2]
Star Magnitudes : G = 12.28 mag, RP = 11.83 mag, BP = 12.56 mag
Object Magnitude : V = 17.09 mag
Estimated Magnitude Drop : 4.8 mag
Estimated Max. Duration : 1.9 sec
Object Mean Diameter : 13.3 km (src: astorb)
Speed of the shadow : 7.0 km/s
Elongation to Moon & Sun : 85° (sunlit = 82%), Sun = 142°
Cross-track uncertainty : 0.3 mas = 0 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 1.11 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#58
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
