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] : db1dd192-b922-4c79-8445-bc0e010c4934 [observed]
Occultation Date + Time : 2022-10-09 at 01:59:43 UT +/- 0.03 min [1]
Object Designation : (1299) Mertona
Orbit Class : MBA
Star Designation : GDR3 3343637129472397440
Star Coordinates (ICRF) : RA = 06 02 21.6312, DE = +13 39 30.524 [2]
Star Magnitudes : G = 16.89 mag, RP = 19.68 mag, BP = 23.14 mag
Object Magnitude : V = 15.7 mag
Estimated Magnitude Drop : 0.3 mag
Estimated Max. Duration : 1.5 sec
Object Mean Diameter : 18 km (src: astorb)
Speed of the shadow : 11.9 km/s
Elongation to Moon & Sun : 84° (sunlit = 99%), Sun = 105°
Cross-track uncertainty : 2.7 mas = 3 km = 0.20 path-width (1-sig)
RUWE and duplicate source : 1.13 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#55
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0