Event between (470596) 08NW4 and star GA0960:17143572 with event index number of 2270440
Geocentric closest approach at 2025/12/03 17:55:17 UTC
J2000 position of star is 21:56:56.1 +06:52:08
Equinox of date position of star is 21:58:07.3 +06:58:59
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 80 degrees from the moon.
Moon is 98% illuminated.
Apparent brightness V=21.5
Object is 36.7 AU from the Sun
and 36.8 AU from the Earth.
Apparent velocity is 12.3
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 135 seconds.
The 1-sigma cross-track error in the shadow position is
1519 km.
The object has an absolute magnitude Hv=5.7
Diameter=424.6 km assuming a 5% albedo -- 35.3 sec chord
Diameter=173.4 km assuming a 30% albedo -- 14.4 sec chord
Dynamical classification is SCATNEAR
Star training set for 470596, (2025/12/03 17:54UT) Object RA Dec mag sep mel Markab 23:06:03.2 +15:20:43 2.5 18.60 61 18 Peg 22:01:25.6 +06:50:34 5.8 0.81 79 PPM 172449 21:57:47.1 +07:21:58 8.5 0.39 79 PPM 172477 21:59:06.2 +06:42:54 10.5 0.35 79 470596 21:58:13.6 +06:59:36 16.2 79 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 470596, (2025/12/03 17:54UT) Object RA Dec mag sep mel Markab 23:04:45.8 +15:12:18 2.5 18.60 61 18 Peg 22:00:07.9 +06:43:03 5.8 0.81 79 PPM 172449 21:56:29.7 +07:14:32 8.5 0.39 79 PPM 172477 21:57:48.5 +06:35:26 10.5 0.35 79 470596 21:56:56.1 +06:52:08 16.2 79 Positions are for J2000
Event circumstances last updated at 2023/10/25 01:46:50 UT
Marc W. Buie, Southwest Research Institute