Event between (49036) Pelion and star GA1020:00448546 with event index number of 2318023
Geocentric closest approach at 2025/08/10 12:05:07 UTC
J2000 position of star is 04:21:01.0 +13:05:14
Equinox of date position of star is 04:22:23.2 +13:08:38
Stellar brightness G=13.3,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 92 degrees from the moon.
Moon is 98% illuminated.
Apparent brightness V=24.1
Object is 22.0 AU from the Sun
and 22.3 AU from the Earth.
Apparent velocity is 15.2
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 472 seconds.
The 1-sigma cross-track error in the shadow position is
2000 km.
The object has an absolute magnitude Hv=10.4
Diameter=50.1 km assuming a 5% albedo -- 3.3 sec chord
Diameter=20.5 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 49036, (2025/08/10 12:05UT) Object RA Dec mag sep mel Aldebaran 04:37:23.6 +16:33:32 0.8 4.97 97 Bellatrix 05:26:30.4 +06:22:15 1.6 17.16 107 PPM 119807 04:22:19.3 +13:55:25 6.3 0.78 93 PPM 119821 04:23:11.7 +13:38:39 7.9 0.53 93 PPM 119791 04:21:13.3 +13:08:45 8.6 0.30 92 49036 04:22:27.0 +13:08:48 13.3 93 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 49036, (2025/08/10 12:05UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 4.97 97 Bellatrix 05:25:07.8 +06:20:58 1.6 17.16 107 PPM 119807 04:20:52.9 +13:51:52 6.3 0.78 93 PPM 119821 04:21:45.4 +13:35:07 7.9 0.53 93 PPM 119791 04:19:47.3 +13:05:09 8.6 0.30 92 49036 04:21:01.0 +13:05:14 13.3 92 Positions are for J2000
Event circumstances last updated at 2024/06/18 02:52:26 UT
Marc W. Buie, Southwest Research Institute