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2023-06-03 / UCAC4 433-072036 / (9038) Helensteel

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Daniel Antuszewicz O+ VID M203 PL NTP 22:14:00 22:14:54.50 22:14:55.10 22:15:59 0.03 0.03 0.60 6.5
2 show Anna Marciniak O- CCD M400 PL GPS 22:14:26 22:16:15
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

2 observations found in db: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#65 : 5ce178c0-c338-11ef-5276-b728bddf9677 [db: observed]

Using prediction 5ce178c0-c338-11ef-5276-b728bddf9677 for map and profile fit

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Map with groundtrack and observer stations

Occ by (9038) Helensteel on 2023-06-03

Unavailable
200 km

Event Details
 Occultation UUID [and DB] : 5ce178c0-c338-11ef-5276-b728bddf9677 [observed]

 Occultation Date + Time   : 2023-06-03 at 22:13:08 UT +/- 0.0 min  [1]
 Object Designation        : (9038) Helensteel
 Orbit Class               : MBA
 Star Designation          : GDR3 4368875814786002944
 Star Coordinates (ICRF)   : RA = 17 32 48.5809, DE = -03 25 14.189  [2]
 Star Magnitudes           : G = 11.65 mag, RP = 10.7 mag, BP = 12.58 mag
 Object Magnitude          : V = 17.2 mag
 Estimated Magnitude Drop  : 5.6 mag
 Estimated Max. Duration   : 0.7 sec
 Object Mean Diameter      : 7.0 km  (src: astorb)
 Speed of the shadow       : 10.8 km/s
 Elongation to Moon & Sun  : 26° (sunlit = 100%), Sun = 158°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 1.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#65

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

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