RECON: TNO occultation with 05VZ122

Event between 05VZ122 and star GA1020:02219271 with event index number of 1696836

Geocentric closest approach at 2026/12/14 09:10:50 UTC

J2000 position of star is 06:45:06.9 +12:20:40
Equinox of date position of star is 06:46:15.0 +12:19:19
Stellar brightness G=15.2, use SENSEUP=128
Star is 140 degrees from the moon. Moon is 24% illuminated.
TNO apparent brightness V=25.7

[RECON map]
TNO is 36.6 AU from the Sun and 35.7 AU from the Earth.
The TNO is moving 23.6 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 569 seconds.
The 1-sigma cross-track error in the shadow position is 3363 km.
The sky-plane scale is 25877.7 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=214.8 km assuming a 5% albedo -- 2.5 sec chord
Diameter=87.7 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 05VZ122, (2026/12/14 09:11UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:37.9 +07:24:35  0.4 13.25 127
Alhena         06:39:16.1 +16:22:26  1.9  4.43 138
31Xi Gem       06:46:48.1 +12:51:52  3.4  0.55 140
32 Gem         06:47:25.0 +12:39:47  6.8  0.40 140
PPM 122993     06:47:13.3 +12:12:57  9.8  0.18 140
PPM 122976     06:46:34.0 +12:24:39 10.8  0.10 140
05VZ122        06:46:37.5 +12:18:52 15.2       140
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 1.6 sigma about the mid-time.
The median site spacing is 21.3 km RECON observability=1.0 and success probability=3.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 09:10:47 -58.9 Dark Down 52.1 180.3 Up 08:55:47 - 09:25:47 8909
Kelowna 09:10:48 -59.3 Dark Down 52.5 180.0 Up 08:55:48 - 09:25:48 8875
Peachland 09:10:48 -59.5 Dark Down 52.6 179.5 Up 08:55:48 - 09:25:48 8865
Summerland 09:10:48 -59.6 Dark Down 52.7 179.7 Up 08:55:48 - 09:25:48 8852
Penticton 09:10:48 -59.6 Dark Down 52.8 179.9 Up 08:55:48 - 09:25:48 8846
Oliver 09:10:48 -59.8 Dark Down 53.2 179.9 Up 08:55:48 - 09:25:48 8815
Anarchist Mountain Observatory 09:10:47 -59.9 Dark Down 53.3 180.2 Up 08:55:47 - 09:25:47 8800
Tonasket 09:10:48 -60.2 Dark Down 53.6 180.1 Up 08:55:48 - 09:25:48 8772
Victoria 09:11:00 -61.8 Dark Down 53.7 173.6 Up 08:56:00 - 09:26:00 8763
Okanogan 09:10:48 -60.5 Dark Down 54.0 179.8 Up 08:55:48 - 09:25:48 8742
Brewster 09:10:49 -60.8 Dark Down 54.2 179.5 Up 08:55:49 - 09:25:49 8718
Manson/Chelan 09:10:50 -61.1 Dark Down 54.5 178.9 Up 08:55:50 - 09:25:50 8699
Entiat 09:10:50 -61.3 Dark Down 54.7 178.8 Up 08:55:50 - 09:25:50 8680
Wenatchee 09:10:50 -61.5 Dark Down 54.9 178.6 Up 08:55:50 - 09:25:50 8657
Ellensburg 09:10:51 -62.0 Dark Down 55.3 178.2 Up 08:55:51 - 09:25:51 8619
Yakima 09:10:51 -62.3 Dark Down 55.7 178.1 Up 08:55:51 - 09:25:51 8582
Toppenish/White Swan 09:10:51 -62.4 Dark Down 56.0 178.4 Up 08:55:51 - 09:25:51 8562
Pasco 09:10:47 -61.9 Dark Down 56.1 180.6 Up 08:55:47 - 09:25:47 8549
PNWRO 09:10:46 -62.0 Dark Down 56.3 181.0 Up 08:55:46 - 09:25:46 8526
Goldendale 09:10:52 -63.0 Dark Down 56.5 177.7 Up 08:55:52 - 09:25:52 8512
The Dalles 09:10:54 -63.3 Dark Down 56.7 177.0 Up 08:55:54 - 09:25:54 8491
Maupin 09:10:54 -63.6 Dark Down 57.1 177.2 Up 08:55:54 - 09:25:54 8452
Sisters 09:10:55 -64.5 Dark Down 58.0 176.2 Up 08:55:55 - 09:25:55 8371
Redmond 09:10:54 -64.3 Dark Down 58.0 176.9 Up 08:55:54 - 09:25:54 8368
Bend 09:10:54 -64.6 Dark Down 58.2 176.6 Up 08:55:54 - 09:25:54 8348
Oregon Observatory 09:10:55 -64.8 Dark Down 58.4 176.4 Up 08:55:55 - 09:25:55 8332
La Pine/Gilchrist 09:10:55 -64.9 Dark Down 58.6 176.2 Up 08:55:55 - 09:25:55 8313
North Lake 09:10:53 -65.0 Dark Down 59.1 177.3 Up 08:55:53 - 09:25:53 8270
Paisley 09:10:52 -65.2 Dark Down 59.6 178.0 Up 08:55:52 - 09:25:52 8217
Klamath Falls 09:10:56 -66.2 Dark Down 60.1 175.6 Up 08:55:56 - 09:25:56 8174
Lakeview 09:10:51 -65.5 Dark Down 60.1 178.3 Up 08:55:51 - 09:25:51 8168
Cedarville 09:10:51 -65.8 Dark Down 60.8 178.6 Up 08:55:51 - 09:25:51 8104
Fall River/Burney 09:10:55 -66.8 Dark Down 61.3 176.2 Up 08:55:55 - 09:25:55 8059
Susanville 09:10:53 -66.8 Dark Down 61.9 177.6 Up 08:55:53 - 09:25:53 7996
Niwot 09:09:58 -57.0 Dark Down 59.6 208.0 Up 08:54:58 - 09:24:58 7973
Greenville 09:10:54 -67.2 Dark Down 62.2 177.0 Up 08:55:54 - 09:25:54 7970
Gimple 09:10:53 -67.2 Dark Down 62.2 177.1 Up 08:55:53 - 09:25:53 7970
SwRI 09:09:58 -57.1 Dark Down 59.7 208.0 Up 08:54:58 - 09:24:58 7962
Quincy 09:10:54 -67.3 Dark Down 62.4 177.0 Up 08:55:54 - 09:25:54 7950
Portola 09:10:52 -67.1 Dark Down 62.5 177.9 Up 08:55:52 - 09:25:52 7937
Reno 09:10:50 -66.9 Dark Down 62.8 179.3 Up 08:55:50 - 09:25:50 7909
Carson City 09:10:50 -67.2 Dark Down 63.2 179.3 Up 08:55:50 - 09:25:50 7874
Yerington 09:10:48 -66.9 Dark Down 63.4 180.7 Up 08:55:48 - 09:25:48 7853
Gardnerville 09:10:50 -67.3 Dark Down 63.4 179.4 Up 08:55:50 - 09:25:50 7850
Hawthorne 09:10:46 -66.8 Dark Down 63.8 181.9 Up 08:55:46 - 09:25:46 7806
Tonopah 09:10:40 -66.2 Dark Down 64.2 185.0 Up 08:55:40 - 09:25:40 7758
Lee Vining 09:10:48 -67.5 Dark Down 64.4 180.8 Up 08:55:48 - 09:25:48 7751
Bishop 09:10:45 -67.3 Dark Down 65.0 182.5 Up 08:55:45 - 09:25:45 7690
Beatty 09:10:39 -66.5 Dark Down 65.3 186.3 Up 08:55:39 - 09:25:39 7641
Indian Springs 09:10:35 -65.9 Dark Down 65.5 188.9 Up 08:55:35 - 09:25:35 7608
Henderson 09:10:32 -65.6 Dark Down 66.0 190.7 Up 08:55:32 - 09:25:32 7553
Searchlight/Boulder City 09:10:32 -65.8 Dark Down 66.5 191.1 Up 08:55:32 - 09:25:32 7495
Patrick 09:10:28 -65.1 Dark Down 66.4 193.6 Up 08:55:28 - 09:25:28 7489
CPSLO 09:10:53 -70.0 Dark Down 67.0 177.1 Up 08:55:53 - 09:25:53 7485
Kingman/Dolan Springs 09:10:28 -65.3 Dark Down 66.6 193.3 Up 08:55:28 - 09:25:28 7466
Laughlin/Bullhead City 09:10:30 -65.7 Dark Down 66.8 192.0 Up 08:55:30 - 09:25:30 7464
DCO 09:10:25 -64.6 Dark Down 66.5 195.4 Up 08:55:25 - 09:25:25 7458
Mohave Valley 09:10:30 -65.8 Dark Down 67.0 192.2 Up 08:55:30 - 09:25:30 7436
Lake Havasu City 09:10:29 -65.7 Dark Down 67.4 193.0 Up 08:55:29 - 09:25:29 7395
Parker 09:10:29 -65.8 Dark Down 67.7 193.3 Up 08:55:29 - 09:25:29 7359
Wildwood 09:10:46 -69.1 Dark Down 68.2 182.3 Up 08:55:46 - 09:25:46 7357
Idyllwild 09:10:38 -67.8 Dark Down 68.5 187.3 Up 08:55:38 - 09:25:38 7318
George/Scottsdale 09:10:20 -64.1 Dark Down 67.6 199.5 Up 08:55:20 - 09:25:20 7316
Blythe 09:10:29 -66.2 Dark Down 68.3 192.8 Up 08:55:29 - 09:25:29 7304
Calipatria 09:10:34 -67.1 Dark Down 68.9 190.6 Up 08:55:34 - 09:25:34 7254
Yuma 09:10:30 -66.6 Dark Down 69.2 193.2 Up 08:55:30 - 09:25:30 7208

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 05VZ122, (2026/12/14 09:11UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 13.25 127
Alhena         06:37:42.8 +16:23:57  1.9  4.43 138
31Xi Gem       06:45:17.2 +12:53:40  3.4  0.55 140
32 Gem         06:45:54.2 +12:41:37  6.8  0.40 140
PPM 122993     06:45:42.8 +12:14:46  9.8  0.18 140
PPM 122976     06:45:03.4 +12:26:26 10.8  0.10 140
05VZ122        06:45:06.9 +12:20:40 15.2       140
Positions are for J2000

Event circumstances last updated at 2020/04/03 21:51:58 UT

Marc W. Buie, Southwest Research Institute

RECON