RECON: TNO occultation with 01KG76

Event between 01KG76 and star GA0660:15367675 with event index number of 270643

Geocentric closest approach at 2020/06/26 06:20:36 UTC

J2000 position of star is 17:35:58.1 -23:00:47
Equinox of date position of star is 17:37:12.6 -23:01:29
Stellar brightness G=16.9, use SENSEUP=128
Star is 107 degrees from the moon. Moon is 27% illuminated.
TNO apparent brightness V=27.0

[RECON map]
TNO is 49.9 AU from the Sun and 48.9 AU from the Earth.
The TNO is moving 24.8 km/sec on the sky relative to the star, or, 2.5 arcsec/hr.
The 1-sigma error in the time of the event is 1153 seconds.
The 1-sigma cross-track error in the shadow position is 5727 km.
The sky-plane scale is 35462.3 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=311.9 km assuming a 5% albedo -- 2.4 sec chord
Diameter=127.3 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is 9:4EEEEE
 
 
 
 
 
 

Star training set for 01KG76, (2020/06/26 06:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:40.0 -26:28:33  0.9 15.48  92
35Eta Oph      17:11:33.3 -15:44:56  2.6  9.46 100
PPM 267109     17:39:58.8 -21:55:23  6.4  1.27 107
PPM 267094     17:39:18.2 -22:35:33  8.4  0.65 107
PPM 267048     17:36:56.4 -22:56:53  9.8  0.10 107
01KG76         17:37:12.7 -23:01:29 16.9       107
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 0.8 sigma about the mid-time.
The median site spacing is 10.6 km RECON observability=0.7 and success probability=0.6%
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 06:21:22 -13.2 AT Up 15.8 167.5 Really Low 06:06:22 - 06:36:22 15576
Kelowna 06:21:22 -13.5 AT Up 16.2 167.3 Really Low 06:06:22 - 06:36:22 15561
Peachland 06:21:24 -13.6 AT Up 16.2 167.0 Really Low 06:06:24 - 06:36:24 15555
Summerland 06:21:23 -13.7 AT Up 16.4 167.1 Really Low 06:06:23 - 06:36:23 15550
Penticton 06:21:23 -13.8 AT Up 16.5 167.2 Really Low 06:06:23 - 06:36:23 15549
Oliver 06:21:23 -14.1 AT Up 16.8 167.2 Really Low 06:06:23 - 06:36:23 15537
Anarchist Mountain Observatory 06:21:24 -14.4 AT Up 17.0 167.3 Really Low 06:06:24 - 06:36:24 15533
Tonasket 06:21:23 -14.6 AT Up 17.3 167.2 Really Low 06:06:23 - 06:36:23 15520
Okanogan 06:21:25 -14.9 AT Up 17.6 167.1 Really Low 06:06:25 - 06:36:25 15507
Brewster 06:21:25 -15.1 AT Up 17.9 166.9 Really Low 06:06:25 - 06:36:25 15495
Manson/Chelan 06:21:26 -15.2 AT Up 18.0 166.5 Really Low 06:06:26 - 06:36:26 15483
Entiat 06:21:27 -15.4 AT Up 18.2 166.4 Really Low 06:06:27 - 06:36:27 15474
Victoria 06:21:34 -13.7 AT Up 16.8 163.5 Really Low 06:06:34 - 06:36:34 15474
Wenatchee 06:21:26 -15.6 AT Up 18.4 166.3 Really Low 06:06:26 - 06:36:26 15463
Ellensburg 06:21:27 -15.9 AT Up 18.8 166.1 Really Low 06:06:27 - 06:36:27 15445
Pasco 06:21:25 -17.0 AT Up 19.8 167.4 Really Low 06:06:25 - 06:36:25 15429
Yakima 06:21:28 -16.2 AT Up 19.2 166.0 Really Low 06:06:28 - 06:36:28 15429
Toppenish/White Swan 06:21:27 -16.5 AT Up 19.4 166.2 Really Low 06:06:27 - 06:36:27 15421
PNWRO 06:21:23 -17.2 AT Up 20.0 167.6 Low 06:06:23 - 06:36:23 15421
Goldendale 06:21:28 -16.9 AT Up 19.9 165.7 Really Low 06:06:28 - 06:36:28 15394
The Dalles 06:21:30 -17.0 AT Up 20.1 165.3 Low 06:06:30 - 06:36:30 15381
Maupin 06:21:30 -17.4 AT Up 20.5 165.4 Low 06:06:30 - 06:36:30 15364
Redmond 06:21:32 -18.2 Dark Up 21.3 165.2 Low 06:06:32 - 06:36:32 15324
Sisters 06:21:33 -18.0 Dark Up 21.2 164.9 Low 06:06:33 - 06:36:33 15321
Bend 06:21:33 -18.3 Dark Up 21.5 165.1 Low 06:06:33 - 06:36:33 15313
Oregon Observatory 06:21:33 -18.4 Dark Up 21.7 164.9 Low 06:06:33 - 06:36:33 15304
La Pine/Gilchrist 06:21:33 -18.6 Dark Up 21.8 164.9 Low 06:06:33 - 06:36:33 15294
North Lake 06:21:31 -19.2 Dark Up 22.4 165.4 Low 06:06:31 - 06:36:31 15281
Paisley 06:21:31 -19.8 Dark Up 23.0 165.7 Low 06:06:31 - 06:36:31 15259
Niwot 06:20:42 -25.8 Dark Down 26.9 180.9 Low 06:05:42 - 06:35:42 15237
Lakeview 06:21:31 -20.3 Dark Up 23.5 165.8 Low 06:06:31 - 06:36:31 15237
SwRI 06:20:42 -25.9 Dark Down 27.0 180.8 Low 06:05:42 - 06:35:42 15231
Klamath Falls 06:21:34 -19.8 Dark Up 23.2 164.4 Low 06:06:34 - 06:36:34 15223
Cedarville 06:21:30 -21.0 Dark Up 24.2 165.9 Low 06:06:30 - 06:36:30 15207
Fall River/Burney 06:21:35 -21.0 Dark Up 24.4 164.7 Low 06:06:35 - 06:36:35 15169
Susanville 06:21:34 -21.8 Dark Up 25.2 165.3 Low 06:06:34 - 06:36:34 15145
Gimple 06:21:34 -22.0 Dark Up 25.4 165.1 Low 06:06:34 - 06:36:34 15129
Greenville 06:21:34 -22.0 Dark Up 25.4 165.0 Low 06:06:34 - 06:36:34 15128
Quincy 06:21:35 -22.1 Dark Up 25.6 165.0 Low 06:06:35 - 06:36:35 15117
Portola 06:21:33 -22.4 Dark Up 25.8 165.4 Low 06:06:33 - 06:36:33 15117
Reno 06:21:30 -22.9 Dark Up 26.2 166.1 Low 06:06:30 - 06:36:30 15110
Carson City 06:21:30 -23.2 Dark Up 26.5 166.0 Low 06:06:30 - 06:36:30 15091
Yerington 06:21:28 -23.6 Dark Up 26.8 166.6 Low 06:06:28 - 06:36:28 15087
Gardnerville 06:21:30 -23.4 Dark Up 26.8 166.1 Low 06:06:30 - 06:36:30 15078
Hawthorne 06:21:26 -24.2 Dark Up 27.4 167.1 Low 06:06:26 - 06:36:26 15068
Tonopah 06:21:22 -25.0 Dark Up 28.1 168.5 Low 06:06:22 - 06:36:22 15057
Lee Vining 06:21:28 -24.5 Dark Up 27.8 166.6 Low 06:06:28 - 06:36:28 15033
Bishop 06:21:27 -25.3 Dark Up 28.5 167.2 Low 06:06:27 - 06:36:27 15006
Beatty 06:21:21 -26.2 Dark Up 29.3 168.8 Low 06:06:21 - 06:36:21 14996
Indian Springs 06:21:18 -26.9 Dark Up 29.7 169.9 Low 06:06:18 - 06:36:18 14988
Henderson 06:21:15 -27.6 Dark Up 30.4 170.6 Up 06:06:15 - 06:36:15 14963
Patrick 06:21:12 -28.5 Dark Up 31.1 171.7 Up 06:06:12 - 06:36:12 14936
Searchlight/Boulder City 06:21:16 -28.1 Dark Up 30.9 170.6 Up 06:06:16 - 06:36:16 14930
DCO 06:21:09 -29.0 Dark Up 31.5 172.4 Up 06:06:09 - 06:36:09 14923
Kingman/Dolan Springs 06:21:13 -28.6 Dark Up 31.3 171.5 Up 06:06:13 - 06:36:13 14921
Laughlin/Bullhead City 06:21:15 -28.5 Dark Up 31.3 170.9 Up 06:06:15 - 06:36:15 14915
Mohave Valley 06:21:14 -28.8 Dark Up 31.5 170.9 Up 06:06:14 - 06:36:14 14899
Lake Havasu City 06:21:13 -29.2 Dark Up 32.0 171.1 Up 06:06:13 - 06:36:13 14877
CPSLO 06:21:35 -26.4 Dark Up 30.1 164.6 Up 06:06:35 - 06:36:35 14861
Parker 06:21:14 -29.5 Dark Up 32.3 171.1 Up 06:06:14 - 06:36:14 14856
George/Scottsdale 06:21:05 -30.6 Dark Up 33.0 173.7 Up 06:06:05 - 06:36:05 14849
Blythe 06:21:16 -29.9 Dark Up 32.8 170.8 Up 06:06:16 - 06:36:16 14821
Wildwood 06:21:29 -28.2 Dark Up 31.7 166.6 Up 06:06:29 - 06:36:29 14812
Idyllwild 06:21:23 -29.2 Dark Up 32.4 168.5 Up 06:06:23 - 06:36:23 14810
Calipatria 06:21:18 -30.1 Dark Up 33.2 169.7 Up 06:06:18 - 06:36:18 14782
Yuma 06:21:16 -30.8 Dark Up 33.7 170.6 Up 06:06:16 - 06:36:16 14763

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 01KG76, (2020/06/26 06:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 15.48  92
35Eta Oph      17:10:22.7 -15:43:29  2.6  9.46 100
PPM 267109     17:38:44.8 -21:54:46  6.4  1.27 107
PPM 267094     17:38:03.8 -22:34:55  8.4  0.65 107
PPM 267048     17:35:41.9 -22:56:11  9.8  0.10 107
01KG76         17:35:58.1 -23:00:47 16.9       107
Positions are for J2000

Event circumstances last updated at 2020/06/21 04:14:26 UT

Marc W. Buie, Southwest Research Institute

RECON