2022-02-06 / 4UC 507-003687 / (21370) 1997 TB28
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show William Stewart
O+
VID
M279
UK
GPS++
19:54:43
19:55:33.85
19:55:35.45
19:56:40
0.16
0.16
1.60
27.5
2
show Alex Pratt
O-
VID
M279
UK
19:54:56
19:56:30
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: euraster
Available (probably) matching predictions (click on the link to switch):
Using prediction 540b3330-1c0d-4e96-af99-f26013ef9a96 for map and profile fit
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Event Details
Occultation UUID [and DB] : 540b3330-1c0d-4e96-af99-f26013ef9a96 [observed]
Occultation Date + Time : 2022-02-06 at 19:51:43 UT +/- 0.05 min [1]
Object Designation : (21370) 1997 TB28
Orbit Class : JTRO
Star Designation : GDR3 0025950918252635392
Star Coordinates (ICRF) : RA = 02 32 59.8569, DE = +11 23 28.571 [2]
Star Magnitudes : G = 13.75 mag, RP = 13.28 mag, BP = 14.06 mag
Object Magnitude : V = 19.39 mag
Estimated Magnitude Drop : 5.7 mag
Estimated Max. Duration : 0.9 sec
Object Mean Diameter : 16 km (src: astorb)
Speed of the shadow : 17.2 km/s
Elongation to Moon & Sun : 11° (sunlit = 33%), Sun = 82°
Cross-track uncertainty : 6.0 mas = 22 km = 1.37 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#43
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
(If error 404: link not valid which means no data available)