2026-09-19 / UCAC4 360-213834 / (16901) Johnbrooks
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Carles Schnabel
O+
VID
M400
ES
GPS
22:07:20
22:09:41.67
22:09:42.05
22:12:17
0.030
0.030
0.38
3.9
2
show Didier Walliang, Isabelle Auvray
O-
VID
M280
FR
GPS
22:07:05
::
::
22:10:08
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):
Using prediction 0f3f9520-d9b1-11f1-43f3-0d50dcf93937 for map and profile fit
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Event Details
Occultation UUID [and DB] : 0f3f9520-d9b1-11f1-43f3-0d50dcf93937 [observed]
Occultation Date + Time : 2026-09-19 at 22:13:59 UT +/- 0.0 min [1]
Object Designation : (16901) Johnbrooks
Orbit Class : MBA
Star Designation : GDR3 2405267482027092224
Star Coordinates (ICRF) : RA = 23 13 59.3968, DE = -18 06 59.038 [2]
Star Magnitudes : G = 12.44 mag, RP = 11.97 mag, BP = 12.75 mag
Object Magnitude : V = 17.78 mag
Estimated Magnitude Drop : 5.4 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 4.4 km (src: astorb)
Speed of the shadow : 10.2 km/s
Elongation to Moon & Sun : 63° (sunlit = 60%), Sun = 161°
Cross-track uncertainty : 0.3 mas = 0 km = 0.07 path-width (1-sig)
RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL48
Note : FP:true
[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)
