RECON: TNO occultation with 07VJ302

Event between 07VJ302 and star GA1020:00256951 with event index number of 2031607

Geocentric closest approach at 2026/12/17 04:34:17 UTC

J2000 position of star is 02:49:02.7 +13:56:54
Equinox of date position of star is 02:50:18.5 +14:02:34
Stellar brightness G=13.9, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 50 degrees from the moon. Moon is 50% illuminated.
Apparent brightness V=22.9

[RECON map]
Object is 40.3 AU from the Sun and 39.6 AU from the Earth.
Apparent velocity is 18.1 km/sec on the sky relative to the star, or, 2.3 arcsec/hr.
The 1-sigma error in the time of the event is 356 seconds.
The 1-sigma cross-track error in the shadow position is 3695 km.
The sky-plane scale is 28688.4 km/arcsec.

The object has an absolute magnitude Hv=6.8
Diameter=261.8 km assuming a 5% albedo -- 14.4 sec chord
Diameter=106.9 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 07VJ302, (2026/12/17 04:16UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:28.2 +16:33:41  0.8 25.89  76
Menkar         03:03:41.5 +04:11:38  2.5 10.39  52
43Sig Ari      02:52:59.2 +15:11:30  5.5  1.28  51
PPM 118592     02:51:42.0 +13:49:14  8.2  0.37  50
PPM 118578     02:50:26.6 +14:02:37 10.3  0.03  50
07VJ302        02:50:31.6 +14:03:33 13.9        50
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 2.5 sigma about the mid-time.
The median site spacing is 26.7 km RECON observability=1.0 and success probability=9.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 04:34:05 -42.4 Dark Up 52.7 166.7 Up 04:19:05 - 04:49:05 5126
Kelowna 04:34:03 -43.2 Dark Up 53.6 167.9 Up 04:19:03 - 04:49:03 5041
Peachland 04:34:05 -43.0 Dark Up 53.7 167.4 Up 04:19:05 - 04:49:05 5037
Sleaford 04:33:10 -50.0 Dark Up 51.6 189.3 Up 04:18:10 - 04:48:10 5030
Summerland 04:34:05 -43.1 Dark Up 53.8 167.5 Up 04:19:05 - 04:49:05 5022
Penticton 04:34:05 -43.2 Dark Up 53.9 167.6 Up 04:19:05 - 04:49:05 5014
Victoria 04:34:21 -41.0 Dark Up 54.2 161.1 Up 04:19:21 - 04:49:21 4997
Oliver 04:34:05 -43.3 Dark Up 54.2 167.5 Up 04:19:05 - 04:49:05 4984
Anarchist Mountain Observatory 04:34:05 -43.4 Dark Up 54.4 167.8 Up 04:19:05 - 04:49:05 4966
Okanogan 04:34:07 -43.5 Dark Up 55.0 167.2 Up 04:19:07 - 04:49:07 4914
Brewster 04:34:07 -43.4 Dark Up 55.3 166.8 Up 04:19:07 - 04:49:07 4894
Manson/Chelan 04:34:10 -43.2 Dark Up 55.4 166.1 Up 04:19:10 - 04:49:10 4882
Wenatchee 04:34:11 -43.2 Dark Up 55.8 165.7 Up 04:19:11 - 04:49:11 4843
Ellensburg 04:34:13 -43.2 Dark Up 56.2 165.2 Up 04:19:13 - 04:49:13 4811
Yakima 04:34:13 -43.2 Dark Up 56.6 165.0 Up 04:19:13 - 04:49:13 4775
Toppenish/White Swan 04:34:13 -43.4 Dark Up 56.8 165.2 Up 04:19:13 - 04:49:13 4753
The Dalles 04:34:17 -43.0 Dark Up 57.4 163.5 Up 04:19:17 - 04:49:17 4698
PNWRO 04:34:08 -44.5 Dark Up 57.4 167.7 Up 04:19:08 - 04:49:08 4692
Maupin 04:34:18 -43.2 Dark Up 57.9 163.5 Up 04:19:18 - 04:49:18 4659
Sisters 04:34:21 -43.0 Dark Up 58.6 162.2 Up 04:19:21 - 04:49:21 4589
Bend 04:34:21 -43.2 Dark Up 58.9 162.6 Up 04:19:21 - 04:49:21 4562
Oregon Observatory 04:34:21 -43.1 Dark Up 59.0 162.3 Up 04:19:21 - 04:49:21 4549
Chiloquin 04:34:26 -43.0 Dark Up 60.2 160.8 Up 04:19:26 - 04:49:26 4436
Klamath Falls 04:34:26 -43.1 Dark Up 60.5 160.8 Up 04:19:26 - 04:49:26 4403
Cedarville 04:34:20 -44.4 Dark Up 61.6 163.5 Up 04:19:20 - 04:49:20 4305
Fall River/Burney 04:34:28 -43.5 Dark Up 61.7 160.8 Up 04:19:28 - 04:49:28 4285
Greenville 04:34:26 -44.0 Dark Up 62.7 161.2 Up 04:19:26 - 04:49:26 4190
Gimple 04:34:27 -44.0 Dark Up 62.7 161.3 Up 04:19:27 - 04:49:27 4188
Quincy 04:34:26 -44.0 Dark Up 62.9 161.0 Up 04:19:26 - 04:49:26 4171
Portola 04:34:25 -44.3 Dark Up 63.1 161.9 Up 04:19:25 - 04:49:25 4149
Reno 04:34:22 -44.9 Dark Up 63.5 163.1 Up 04:19:22 - 04:49:22 4110
Carson City 04:34:22 -44.9 Dark Up 63.9 163.0 Up 04:19:22 - 04:49:22 4075
Gardnerville 04:34:23 -45.0 Dark Up 64.1 162.9 Up 04:19:23 - 04:49:23 4051
Yerington 04:34:20 -45.4 Dark Up 64.2 164.2 Up 04:19:20 - 04:49:20 4043
Hawthorne 04:34:18 -45.9 Dark Up 64.8 165.1 Up 04:19:18 - 04:49:18 3987
Lee Vining 04:34:21 -45.5 Dark Up 65.2 163.7 Up 04:19:21 - 04:49:21 3943
Dunrhomin 04:33:15 -55.5 Dark Up 63.0 194.5 Up 04:18:15 - 04:48:15 3912
Nikitin 04:33:15 -55.5 Dark Up 63.2 194.5 Up 04:18:15 - 04:48:15 3895
CU-SBO 04:33:15 -55.5 Dark Up 63.3 194.4 Up 04:18:15 - 04:48:15 3889
Bishop 04:34:19 -46.2 Dark Up 65.9 165.0 Up 04:19:19 - 04:49:19 3869
Beatty 04:34:12 -47.5 Dark Up 66.7 168.6 Up 04:19:12 - 04:49:12 3790
Patrick 04:34:01 -49.9 Dark Up 68.5 175.2 Up 04:19:01 - 04:49:01 3583
Laughlin/Bullhead City 04:34:04 -49.3 Dark Up 68.7 173.3 Up 04:19:04 - 04:49:04 3572
Wildwood 04:34:25 -46.1 Dark Up 69.0 162.3 Up 04:19:25 - 04:49:25 3549
Lake Havasu City 04:34:04 -49.6 Dark Up 69.4 173.8 Up 04:19:04 - 04:49:04 3499
Idyllwild 04:34:17 -47.7 Dark Up 69.8 167.0 Up 04:19:17 - 04:49:17 3473
Calipatria 04:34:12 -48.7 Dark Up 70.6 170.0 Up 04:19:12 - 04:49:12 3385
George/Scottsdale 04:33:53 -51.7 Dark Up 70.2 180.5 Up 04:18:53 - 04:48:53 3371
Yuma 04:34:08 -49.4 Dark Up 71.1 172.4 Up 04:19:08 - 04:49:08 3323

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 07VJ302, (2026/12/17 04:16UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 25.89  76
Menkar         03:02:16.8 +04:05:21  2.5 10.39  52
43Sig Ari      02:51:29.6 +15:04:55  5.5  1.28  51
PPM 118592     02:50:13.1 +13:42:37  8.2  0.37  50
PPM 118578     02:48:57.6 +13:55:58 10.3  0.03  50
07VJ302        02:49:02.7 +13:56:54 13.9        50
Positions are for J2000

Event circumstances last updated at 2022/12/25 04:00:48 UT

Marc W. Buie, Southwest Research Institute

RECON