RECON: TNO occultation with 599752

Event between (599752) 10VQ11 and star GA0980:01081337 with event index number of 2728105

Geocentric closest approach at 2025/01/07 03:52:08 UTC

J2000 position of star is 05:48:26.2 +09:49:12
Equinox of date position of star is 05:49:45.4 +09:49:35
Stellar brightness G=16.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 69 degrees from the moon. Moon is 52% illuminated.
Apparent brightness V=21.8

[RECON map]
Object is 41.3 AU from the Sun and 40.4 AU from the Earth.
Apparent velocity is 23.8 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 183 seconds.
The 1-sigma cross-track error in the shadow position is 1563 km.
The sky-plane scale is 29265.2 km/arcsec.

The object has an absolute magnitude Hv=5.6
Diameter=448.8 km assuming a 5% albedo -- 19.0 sec chord
Diameter=183.2 km assuming a 30% albedo -- 7.8 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 599752, (2025/01/07 03:49UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:31.6 +07:24:35  0.4  2.93  71
Bellatrix      05:26:28.5 +06:22:13  1.6  6.73  64
PPM 149523     05:51:25.4 +09:52:36  6.4  0.40  69
PPM 149505     05:50:28.4 +09:53:58  9.7  0.18  69
599752         05:49:48.9 +09:49:35 16.6        69
Positions are for equinox of date

This table contains the target star visibility for the RECON network. The observing range has been set to a maximum of 4.9 sigma about the mid-time.
The median site spacing is 30.5 km RECON observability=1.0 and success probability=32.0%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Sleaford	03:53:40	-42.2	Dark	Up	42.1	141.9	Up	03:38:40 - 04:08:40	2171
Kamloops	03:54:17	-33.8	Dark	Up	36.6	124.9	Up	03:39:17 - 04:09:17	2080
Kelowna	03:54:17	-34.5	Dark	Up	37.6	125.3	Up	03:39:17 - 04:09:17	2008
Peachland	03:54:18	-34.3	Dark	Up	37.5	124.9	Up	03:39:18 - 04:09:18	1999
Summerland	03:54:18	-34.4	Dark	Up	37.6	124.9	Up	03:39:18 - 04:09:18	1986
Penticton	03:54:17	-34.5	Dark	Up	37.7	125.0	Up	03:39:17 - 04:09:17	1980
Oliver	03:54:18	-34.5	Dark	Up	37.9	124.8	Up	03:39:18 - 04:09:18	1949
Anarchist Mountain Observatory	03:54:18	-34.6	Dark	Up	38.1	124.9	Up	03:39:18 - 04:09:18	1934
Victoria	03:54:29	-32.0	Dark	Up	36.1	120.5	Up	03:39:29 - 04:09:29	1907
Okanogan	03:54:19	-34.6	Dark	Up	38.4	124.2	Up	03:39:19 - 04:09:19	1878
Brewster	03:54:21	-34.5	Dark	Up	38.4	123.9	Up	03:39:21 - 04:09:21	1855
Manson/Chelan	03:54:22	-34.2	Dark	Up	38.3	123.3	Up	03:39:22 - 04:09:22	1838
Wenatchee	03:54:23	-34.1	Dark	Up	38.5	122.9	Up	03:39:23 - 04:09:23	1796
Ellensburg	03:54:25	-34.0	Dark	Up	38.6	122.4	Up	03:39:25 - 04:09:25	1761
Yakima	03:54:25	-34.0	Dark	Up	38.8	122.1	Up	03:39:25 - 04:09:25	1724
Toppenish/White Swan	03:54:26	-34.2	Dark	Up	39.0	122.1	Up	03:39:26 - 04:09:26	1704
PNWRO	03:54:23	-35.2	Dark	Up	40.1	123.4	Up	03:39:23 - 04:09:23	1665
The Dalles	03:54:29	-33.6	Dark	Up	38.9	120.8	Up	03:39:29 - 04:09:29	1637
Maupin	03:54:29	-33.7	Dark	Up	39.2	120.6	Up	03:39:29 - 04:09:29	1598
Sisters	03:54:32	-33.4	Dark	Up	39.4	119.5	Up	03:39:32 - 04:09:32	1520
Bend	03:54:32	-33.6	Dark	Up	39.6	119.6	Up	03:39:32 - 04:09:32	1497
Oregon Observatory	03:54:33	-33.5	Dark	Up	39.6	119.3	Up	03:39:33 - 04:09:33	1481
Chiloquin	03:54:36	-33.2	Dark	Up	40.0	118.0	Up	03:39:36 - 04:09:36	1360
Klamath Falls	03:54:37	-33.3	Dark	Up	40.2	117.8	Up	03:39:37 - 04:09:37	1328
Cedarville	03:54:34	-34.4	Dark	Up	41.6	118.8	Up	03:39:34 - 04:09:34	1255
Fall River/Burney	03:54:38	-33.5	Dark	Up	41.0	117.3	Up	03:39:38 - 04:09:38	1214
Greenville	03:54:38	-33.8	Dark	Up	41.8	117.0	Up	03:39:38 - 04:09:38	1125
Gimple	03:54:38	-33.9	Dark	Up	41.8	117.1	Up	03:39:38 - 04:09:38	1124
Quincy	03:54:38	-33.8	Dark	Up	41.9	116.8	Up	03:39:38 - 04:09:38	1105
Dunrhomin	03:53:52	-45.7	Dark	Up	51.4	134.6	Up	03:38:52 - 04:08:52	1099
Portola	03:54:38	-34.2	Dark	Up	42.2	117.2	Up	03:39:38 - 04:09:38	1091
Nikitin	03:53:52	-45.7	Dark	Up	51.5	134.4	Up	03:38:52 - 04:08:52	1081
CU-SBO	03:53:53	-45.7	Dark	Up	51.5	134.2	Up	03:38:53 - 04:08:53	1075
Reno	03:54:36	-34.7	Dark	Up	42.8	117.6	Up	03:39:36 - 04:09:36	1063
Carson City	03:54:37	-34.7	Dark	Up	43.0	117.3	Up	03:39:37 - 04:09:37	1028
Yerington	03:54:36	-35.2	Dark	Up	43.5	117.8	Up	03:39:36 - 04:09:36	1006
Gardnerville	03:54:37	-34.7	Dark	Up	43.1	117.2	Up	03:39:37 - 04:09:37	1004
Hawthorne	03:54:35	-35.6	Dark	Up	44.1	117.9	Up	03:39:35 - 04:09:35	958
Lee Vining	03:54:37	-35.2	Dark	Up	44.0	116.9	Up	03:39:37 - 04:09:37	905
Bishop	03:54:36	-35.7	Dark	Up	44.8	117.1	Up	03:39:36 - 04:09:36	843
Beatty	03:54:31	-37.0	Dark	Up	46.1	118.3	Up	03:39:31 - 04:09:31	791
Patrick	03:54:25	-39.3	Dark	Up	48.9	119.8	Up	03:39:25 - 04:09:25	632
Laughlin/Bullhead City	03:54:27	-38.7	Dark	Up	48.5	118.8	Up	03:39:27 - 04:09:27	609
Lake Havasu City	03:54:27	-38.9	Dark	Up	49.0	118.4	Up	03:39:27 - 04:09:27	540
Wildwood	03:54:41	-35.4	Dark	Up	46.1	113.9	Up	03:39:41 - 04:09:41	515
Idyllwild	03:54:36	-36.9	Dark	Up	47.6	115.3	Up	03:39:36 - 04:09:36	471
George/Scottsdale	03:54:21	-40.9	Dark	Up	51.2	120.1	Up	03:39:21 - 04:09:21	455
Calipatria	03:54:33	-37.8	Dark	Up	48.8	115.8	Up	03:39:33 - 04:09:33	404
Yuma	03:54:30	-38.5	Dark	Up	49.6	116.2	Up	03:39:30 - 04:09:30	357

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 599752, (2025/01/07 03:49UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  2.93  71
Bellatrix      05:25:07.8 +06:20:58  1.6  6.73  64
PPM 149523     05:50:02.7 +09:52:15  6.4  0.40  69
PPM 149505     05:49:05.6 +09:53:35  9.7  0.18  69
599752         05:48:26.2 +09:49:12 16.6        69
Positions are for J2000

Event circumstances last updated at 2023/12/22 05:51:52 UT

RECON