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Stellar Occultation by (4213) Njord on 2022-02-23 (18:43:31 UT)



Event Details
 Occultation UUID [and db] : f55837f6-45cc-4c61-a825-71f07e063cb1 [observed]

 Occultation Date + Time   : 2022-02-23 at 18:43:31 UT +/- 0.04 min  [1]
 Object Designation        : (4213) Njord
 Star Designation          : GDR3 3399820382650621824
 Star Coordinates (ICRF)   : RA = 05 51 06.9840, DE = +20 29 33.494  [2]
 Star Magnitudes           : G = 13.64 mag, RP = 13.14 mag, BP = 13.97 mag
 Object Magnitude          : V = 17.72 mag
 Estimated Magnitude Drop  : 4.1 mag
 Estimated Max. Duration   : 0.9 sec
 Object Mean Diameter      : 6 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 6.7 km/s
 Elongation to Moon & Sun  : 155° (sunlit = 52%), Sun = 113°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.26 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#54

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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