Stellar Occultation by (121444) 1999 TN188 on 2026-10-15 (00:59:52 UT)
| Event Details |
Occultation UUID [and db] : 0ac35470-d9b4-11f1-43f3-6ae2ffefc0f6 [observed]
Occultation Date + Time : 2026-10-15 at 00:59:52 UT +/- 0.08 min [1]
Object Designation : (121444) 1999 TN188
Star Designation : GDR3 2789569713880148864
Star Coordinates (ICRF) : RA = 01 00 17.0114, DE = +20 25 36.994 [2]
Star Magnitudes : G = 11.54 mag, RP = 10.89 mag, BP = 12.04 mag
Object Magnitude : V = 18.03 mag
Estimated Magnitude Drop : 6.5 mag
Estimated Max. Duration : 0.4 sec
Speed of the shadow : 9.3 km/s
Object Mean Diameter : 3.4 km (src: astorb) => apparent = 3 mas
Apparent Motion : 0.5600 arcs/min @ PA = 269 deg
Horizontal Parallax : 6.3900 arcs
Dynamical Class : MBA
Elongation to Moon & Sun : 130° (sunlit = 18%), Sun = 167°
Cross-track uncertainty : 27.7 mas = 27 km = 8.13 path-width (1-sig)
RUWE and duplicate source : 1.11 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL28
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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| Occultation Ground Track |
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Time[UT] | Lat----CENTR----Lon | Alt Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon
hh:mm:ss | +DD.dddd +DDD.dddd | deg deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd
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00:49:17 +23.2226 +075.1260 +03 291 -02 +23.2527 +074.9986 +23.1904 +075.2591
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01:10:17 +22.9177 -115.6569 +08 071 +01 +22.9177 -115.6096 +22.9177 -115.7045
Longitude measured positiv to the East. Azimuth (Azm) measured from North to East. |