RECON: TNO occultation with 04VZ130

Event between 04VZ130 and star GA1200:01672475 with event index number of 1978770

Geocentric closest approach at 2022/12/02 08:22:21 UTC

J2000 position of star is 05:30:42.6 +31:30:23
Equinox of date position of star is 05:32:11.1 +31:31:19
Stellar brightness G=14.2, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 82 degrees from the moon. Moon is 69% illuminated.
TNO apparent brightness V=23.9

[RECON map]
TNO is 33.1 AU from the Sun and 32.2 AU from the Earth.
The TNO is moving 24.1 km/sec on the sky relative to the star, or, 3.7 arcsec/hr.
The 1-sigma error in the time of the event is 316 seconds.
The 1-sigma cross-track error in the shadow position is 2005 km.
The sky-plane scale is 23331.9 km/arcsec.

The TNO has an absolute magnitude Hv=8.7
Diameter=109.1 km assuming a 5% albedo -- 4.5 sec chord
Diameter=44.6 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 04VZ130, (2022/12/02 08:22UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:14.3 +16:33:13  0.8 19.49  68
Alnath         05:27:44.6 +28:37:29  1.6  3.05  81
25Chi Aur      05:34:13.3 +32:12:24  4.8  0.81  83
PPM 070525     05:34:29.1 +31:53:10  7.5  0.61  83
PPM 070480     05:32:05.0 +31:31:36  9.1  0.02  82
04VZ130        05:32:11.7 +31:31:20 14.2        83
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 2.8 sigma about the mid-time.
The median site spacing is 32.7 km RECON observability=1.0 and success probability=6.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 08:22:01 -55.3 Dark Down 68.6 199.1 Up 08:07:01 - 08:37:01 6134
Kamloops 08:22:42 -60.6 Dark Up 70.3 164.2 Up 08:07:42 - 08:37:42 5957
Kelowna 08:22:40 -61.2 Dark Up 71.2 165.8 Up 08:07:40 - 08:37:40 5869
Peachland 08:22:41 -61.4 Dark Up 71.3 165.0 Up 08:07:41 - 08:37:41 5858
Summerland 08:22:40 -61.5 Dark Up 71.4 165.1 Up 08:07:40 - 08:37:40 5842
Penticton 08:22:40 -61.6 Dark Up 71.5 165.3 Up 08:07:40 - 08:37:40 5835
Oliver 08:22:40 -61.9 Dark Up 71.9 165.1 Up 08:07:40 - 08:37:40 5798
Anarchist Mountain Observatory 08:22:40 -62.0 Dark Up 72.1 165.4 Up 08:07:40 - 08:37:40 5779
Tonasket 08:22:40 -62.3 Dark Up 72.3 165.0 Up 08:07:40 - 08:37:40 5747
Victoria 08:22:52 -63.2 Dark Up 71.6 154.4 Up 08:07:52 - 08:37:52 5740
Okanogan 08:22:41 -62.7 Dark Up 72.6 164.3 Up 08:07:41 - 08:37:41 5711
Brewster 08:22:41 -63.0 Dark Up 72.9 163.5 Up 08:07:41 - 08:37:41 5683
Manson/Chelan 08:22:42 -63.3 Dark Up 73.0 162.3 Up 08:07:42 - 08:37:42 5661
Wenatchee 08:22:43 -63.7 Dark Up 73.4 161.3 Up 08:07:43 - 08:37:43 5611
Ellensburg 08:22:44 -64.2 Dark Up 73.8 160.2 Up 08:07:44 - 08:37:44 5567
Yakima 08:22:44 -64.6 Dark Up 74.1 159.7 Up 08:07:44 - 08:37:44 5524
Toppenish/White Swan 08:22:44 -64.8 Dark Up 74.4 159.9 Up 08:07:44 - 08:37:44 5500
PNWRO 08:22:39 -64.8 Dark Up 75.0 164.1 Up 08:07:39 - 08:37:39 5457
Goldendale 08:22:45 -65.4 Dark Up 74.8 157.9 Up 08:07:45 - 08:37:45 5442
The Dalles 08:22:46 -65.7 Dark Up 74.9 156.5 Up 08:07:46 - 08:37:46 5419
Maupin 08:22:46 -66.0 Dark Up 75.3 156.2 Up 08:07:46 - 08:37:46 5373
Sisters 08:22:48 -67.0 Dark Up 76.0 153.1 Up 08:07:48 - 08:37:48 5280
Bend 08:22:47 -67.2 Dark Up 76.3 153.5 Up 08:07:47 - 08:37:47 5253
Oregon Observatory 08:22:48 -67.3 Dark Up 76.4 152.8 Up 08:07:48 - 08:37:48 5235
North Lake 08:22:47 -67.8 Dark Up 77.1 153.4 Up 08:07:47 - 08:37:47 5164
Chiloquin 08:22:50 -68.7 Dark Up 77.4 148.6 Up 08:07:50 - 08:37:50 5093
Klamath Falls 08:22:49 -69.0 Dark Up 77.7 148.1 Up 08:07:49 - 08:37:49 5056
Lakeview 08:22:44 -68.7 Dark Up 78.2 153.2 Up 08:07:44 - 08:37:44 5047
Cedarville 08:22:44 -69.3 Dark Up 78.9 152.5 Up 08:07:44 - 08:37:44 4975
Fall River/Burney 08:22:48 -70.0 Dark Up 78.8 146.4 Up 08:07:48 - 08:37:48 4925
Dunrhomin 08:21:52 -63.3 Dark Down 78.7 221.8 Up 08:06:52 - 08:36:52 4878
Susanville 08:22:46 -70.4 Dark Up 79.7 147.6 Up 08:07:46 - 08:37:46 4854
CU-SBO 08:21:52 -63.5 Dark Down 79.0 222.3 Up 08:06:52 - 08:36:52 4850
Greenville 08:22:47 -70.8 Dark Up 79.8 145.5 Up 08:07:47 - 08:37:47 4825
Gimple 08:22:47 -70.7 Dark Up 79.8 145.9 Up 08:07:47 - 08:37:47 4824
Quincy 08:22:47 -71.0 Dark Up 79.9 144.9 Up 08:07:47 - 08:37:47 4802
Portola 08:22:45 -70.9 Dark Up 80.3 146.5 Up 08:07:45 - 08:37:45 4787
Reno 08:22:44 -71.0 Dark Up 80.7 148.6 Up 08:07:44 - 08:37:44 4756
Carson City 08:22:43 -71.3 Dark Up 81.1 147.4 Up 08:07:43 - 08:37:43 4717
Yerington 08:22:41 -71.3 Dark Up 81.5 149.9 Up 08:07:41 - 08:37:41 4694
Gardnerville 08:22:43 -71.5 Dark Up 81.3 146.8 Up 08:07:43 - 08:37:43 4689
Hawthorne 08:22:40 -71.5 Dark Up 82.1 151.1 Up 08:07:40 - 08:37:40 4641
Tonopah 08:22:34 -71.3 Dark Up 83.0 158.0 Up 08:07:34 - 08:37:34 4588
Lee Vining 08:22:41 -72.1 Dark Up 82.4 146.3 Up 08:07:41 - 08:37:41 4580
Bishop 08:22:38 -72.4 Dark Up 83.2 147.9 Up 08:07:38 - 08:37:38 4513
Beatty 08:22:32 -72.0 Dark Up 84.2 157.3 Up 08:07:32 - 08:37:32 4460
Indian Springs 08:22:29 -71.7 Dark Up 84.8 165.2 Up 08:07:29 - 08:37:29 4424
Henderson 08:22:26 -71.8 Dark Up 85.4 170.5 Up 08:07:26 - 08:37:26 4366
Patrick 08:22:22 -71.6 Dark Up 86.1 182.7 Up 08:07:22 - 08:37:22 4298
Kingman/Dolan Springs 08:22:22 -71.9 Dark Up 86.3 180.4 Up 08:07:22 - 08:37:22 4273
Laughlin/Bullhead City 08:22:24 -72.2 Dark Up 86.3 173.6 Up 08:07:24 - 08:37:24 4270
Mohave Valley 08:22:24 -72.4 Dark Up 86.6 173.2 Up 08:07:24 - 08:37:24 4240
Lake Havasu City 08:22:24 -72.5 Dark Up 87.0 176.2 Up 08:07:24 - 08:37:24 4196
Parker 08:22:23 -72.7 Dark Up 87.4 176.2 Up 08:07:23 - 08:37:23 4157
Wildwood 08:22:39 -75.2 Dark Up 85.5 123.5 Up 08:07:39 - 08:37:39 4151
George/Scottsdale 08:22:14 -71.4 Dark Up 87.1 220.5 Up 08:07:14 - 08:37:14 4117
Idyllwild 08:22:33 -74.4 Dark Up 86.9 134.9 Up 08:07:33 - 08:37:33 4110
Calipatria 08:22:28 -74.1 Dark Up 88.0 143.1 Up 08:07:28 - 08:37:28 4043
Yuma 08:22:24 -73.8 Dark Up 88.7 158.8 Up 08:07:24 - 08:37:24 3996

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 04VZ130, (2022/12/02 08:22UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 19.49  68
Alnath         05:26:17.6 +28:36:23  1.6  3.05  81
25Chi Aur      05:32:43.7 +32:11:31  4.8  0.81  83
PPM 070525     05:32:59.7 +31:52:18  7.5  0.61  83
PPM 070480     05:30:35.9 +31:30:39  9.1  0.02  82
04VZ130        05:30:42.6 +31:30:23 14.2        82
Positions are for J2000

Event circumstances last updated at 2022/10/01 04:16:56 UT

Marc W. Buie, Southwest Research Institute

RECON