Event between (578997) 14JR92 and star GA0880:06693201 with event index number of 2556992
Geocentric closest approach at 2025/10/23 05:21:16 UTC
J2000 position of star is 17:59:45.7 -01:46:34
Equinox of date position of star is 18:00:53.9 -01:46:33
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 48 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=23.4
TNO is 33.8 AU from the Sun
and 34.3 AU from the Earth.
The TNO is moving 23.2
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 171 seconds.
The 1-sigma cross-track error in the shadow position is
2999 km.
The TNO has an absolute magnitude Hv=7.9
Diameter=157.8 km assuming a 5% albedo -- 6.8 sec chord
Diameter=64.4 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is CENTAURR
Star training set for 578997, (2025/10/23 05:21UT) Object RA Dec mag sep mel Antares 16:30:59.7 -26:29:13 0.9 32.84 21 60Bet Oph 17:44:44.9 +04:33:30 2.8 7.54 48 57Zet Ser 18:01:50.8 -03:41:24 4.4 1.92 47 PPM 201306 18:02:18.1 -02:34:41 7.6 0.86 48 PPM 180216 18:01:35.0 -01:41:28 9.3 0.15 48 578997 18:01:06.1 -01:46:33 16.3 48 Positions are for equinox of date
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 578997, (2025/10/23 05:21UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 32.84 21 60Bet Oph 17:43:28.3 +04:34:06 2.8 7.54 48 57Zet Ser 18:00:29.2 -03:41:26 4.4 1.92 47 PPM 201306 18:00:57.2 -02:34:45 7.6 0.86 48 PPM 180216 18:00:14.6 -01:41:30 9.3 0.15 48 578997 17:59:45.7 -01:46:34 16.3 48 Positions are for J2000
Event circumstances last updated at 2021/11/28 00:01:54 UT
Marc W. Buie, Southwest Research Institute