RECON: TNO occultation with 04VZ130

Event between 04VZ130 and star GA1200:01390149 with event index number of 1741593

Geocentric closest approach at 2020/11/18 12:07:55 UTC

J2000 position of star is 05:13:21.1 +30:36:47
Equinox of date position of star is 05:14:39.9 +30:38:09
Stellar brightness G=16.8, use SENSEUP=128
Star is 158 degrees from the moon. Moon is 15% illuminated.
TNO apparent brightness V=25.2

[RECON map]
TNO is 32.6 AU from the Sun and 31.7 AU from the Earth.
The TNO is moving 22.5 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 363 seconds.
The 1-sigma cross-track error in the shadow position is 2471 km.
The sky-plane scale is 22963.0 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=100.0 km assuming a 5% albedo -- 2.7 sec chord
Diameter=40.8 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 04VZ130, (2020/11/18 12:08UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:07.3 +16:32:59  0.8 16.49 147
Alnath         05:27:36.8 +28:37:23  1.6  3.45 161
PPM 094297     05:22:32.5 +29:35:20  5.7  1.99 160
PPM 070081     05:15:59.0 +30:41:39  8.1  0.28 158
PPM 070065     05:15:21.1 +30:47:29  9.1  0.21 158
PPM 070042     05:14:18.7 +30:45:33 11.5  0.15 158
04VZ130        05:14:41.5 +30:38:10 16.8       158
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 21.5 km RECON observability=1.0 and success probability=16.2%
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 12:05:58 -30.1 Dark Down 53.3 253.8 Up 11:50:58 - 12:20:58 -687
Kelowna 12:05:57 -30.3 Dark Down 53.5 254.1 Up 11:50:57 - 12:20:57 -727
Peachland 12:05:58 -30.5 Dark Down 53.7 253.9 Up 11:50:58 - 12:20:58 -745
Summerland 12:05:57 -30.4 Dark Down 53.7 254.2 Up 11:50:57 - 12:20:57 -756
Penticton 12:05:57 -30.4 Dark Down 53.6 254.4 Up 11:50:57 - 12:20:57 -759
Oliver 12:05:56 -30.4 Dark Down 53.7 254.9 Up 11:50:56 - 12:20:56 -792
Anarchist Mountain Observatory 12:05:55 -30.3 Dark Down 53.6 255.3 Up 11:50:55 - 12:20:55 -803
Tonasket 12:05:54 -30.4 Dark Down 53.8 255.6 Up 11:50:54 - 12:20:54 -834
Okanogan 12:05:54 -30.5 Dark Down 54.0 255.9 Up 11:50:54 - 12:20:54 -870
Brewster 12:05:54 -30.6 Dark Down 54.1 256.1 Up 11:50:54 - 12:20:54 -901
Manson/Chelan 12:05:54 -30.9 Dark Down 54.4 256.0 Up 11:50:54 - 12:20:54 -930
Victoria 12:06:04 -33.0 Dark Down 56.3 251.9 Up 11:51:04 - 12:21:04 -952
Entiat 12:05:54 -31.0 Dark Down 54.5 256.3 Up 11:50:54 - 12:20:54 -953
Wenatchee 12:05:53 -31.1 Dark Down 54.7 256.5 Up 11:50:53 - 12:20:53 -980
Ellensburg 12:05:53 -31.2 Dark Down 54.9 256.9 Up 11:50:53 - 12:20:53 -1025
Pasco 12:05:47 -30.3 Dark Down 54.1 259.2 Up 11:50:47 - 12:20:47 -1058
Yakima 12:05:52 -31.3 Dark Down 55.0 257.4 Up 11:50:52 - 12:20:52 -1064
PNWRO 12:05:46 -30.2 Dark Down 54.0 259.7 Up 11:50:46 - 12:20:46 -1075
Toppenish/White Swan 12:05:51 -31.2 Dark Down 54.9 257.9 Up 11:50:51 - 12:20:51 -1080
Goldendale 12:05:51 -31.5 Dark Down 55.4 258.2 Up 11:50:51 - 12:20:51 -1145
The Dalles 12:05:51 -31.8 Dark Down 55.6 258.2 Up 11:50:51 - 12:20:51 -1177
Niwot 12:04:59 -20.0 Dark Down 44.3 276.2 Up 11:49:59 - 12:19:59 -1186
SwRI 12:04:59 -20.1 Dark Down 44.4 276.3 Up 11:49:59 - 12:19:59 -1200
Maupin 12:05:50 -31.8 Dark Down 55.7 258.9 Up 11:50:50 - 12:20:50 -1214
Redmond 12:05:48 -31.9 Dark Down 55.9 260.1 Up 11:50:48 - 12:20:48 -1305
Sisters 12:05:49 -32.2 Dark Down 56.2 259.8 Up 11:50:49 - 12:20:49 -1314
Bend 12:05:48 -32.0 Dark Down 56.0 260.3 Up 11:50:48 - 12:20:48 -1330
Oregon Observatory 12:05:48 -32.1 Dark Down 56.2 260.5 Up 11:50:48 - 12:20:48 -1350
La Pine/Gilchrist 12:05:48 -32.2 Dark Down 56.2 260.7 Up 11:50:48 - 12:20:48 -1372
North Lake 12:05:45 -31.8 Dark Down 55.9 261.9 Up 11:50:45 - 12:20:45 -1398
Paisley 12:05:43 -31.5 Dark Down 55.7 263.0 Up 11:50:43 - 12:20:43 -1442
Lakeview 12:05:41 -31.4 Dark Down 55.6 263.8 Up 11:50:41 - 12:20:41 -1487
Klamath Falls 12:05:45 -32.4 Dark Down 56.6 262.6 Up 11:50:45 - 12:20:45 -1523
Cedarville 12:05:39 -31.3 Dark Down 55.5 264.9 Up 11:50:39 - 12:20:39 -1547
Fall River/Burney 12:05:41 -32.2 Dark Down 56.5 264.7 Up 11:50:41 - 12:20:41 -1630
Susanville 12:05:38 -31.7 Dark Down 56.0 266.2 Up 11:50:38 - 12:20:38 -1671
Gimple 12:05:38 -31.8 Dark Down 56.2 266.5 Up 11:50:38 - 12:20:38 -1705
Greenville 12:05:38 -31.9 Dark Down 56.2 266.4 Up 11:50:38 - 12:20:38 -1708
Portola 12:05:36 -31.5 Dark Down 55.9 267.2 Up 11:50:36 - 12:20:36 -1726
Quincy 12:05:38 -31.9 Dark Down 56.3 266.7 Up 11:50:38 - 12:20:38 -1728
Reno 12:05:34 -31.1 Dark Down 55.4 268.0 Up 11:50:34 - 12:20:34 -1733
Carson City 12:05:33 -31.0 Dark Down 55.4 268.6 Up 11:50:33 - 12:20:33 -1769
Yerington 12:05:31 -30.5 Dark Down 54.9 269.3 Up 11:50:31 - 12:20:31 -1769
Gardnerville 12:05:32 -31.0 Dark Down 55.4 269.0 Up 11:50:32 - 12:20:32 -1792
Hawthorne 12:05:28 -30.1 Dark Down 54.5 270.2 Up 11:50:28 - 12:20:28 -1799
Tonopah 12:05:23 -29.0 Dark Down 53.4 271.7 Up 11:50:23 - 12:20:23 -1800
Lee Vining 12:05:29 -30.5 Dark Down 54.9 270.7 Up 11:50:29 - 12:20:29 -1870
Indian Springs 12:05:16 -27.7 Dark Down 52.1 274.5 Up 11:50:16 - 12:20:16 -1898
Beatty 12:05:20 -28.6 Dark Down 53.0 273.5 Up 11:50:20 - 12:20:20 -1901
Bishop 12:05:25 -29.9 Dark Down 54.3 272.0 Up 11:50:25 - 12:20:25 -1908
Henderson 12:05:13 -27.1 Dark Down 51.6 275.5 Up 11:50:13 - 12:20:13 -1927
Patrick 12:05:08 -26.2 Dark Down 50.6 276.8 Up 11:50:08 - 12:20:08 -1951
DCO 12:05:06 -25.6 Dark Down 50.0 277.5 Up 11:50:06 - 12:20:06 -1956
Kingman/Dolan Springs 12:05:08 -26.3 Dark Down 50.7 277.0 Up 11:50:08 - 12:20:08 -1980
Searchlight/Boulder City 12:05:11 -27.0 Dark Down 51.4 276.3 Up 11:50:11 - 12:20:11 -1982
Laughlin/Bullhead City 12:05:10 -26.7 Dark Down 51.1 276.8 Up 11:50:10 - 12:20:10 -2000
Mohave Valley 12:05:09 -26.7 Dark Down 51.1 277.1 Up 11:50:09 - 12:20:09 -2027
George/Scottsdale 12:04:59 -24.4 Dark Down 48.7 279.7 Up 11:49:59 - 12:19:59 -2047
Lake Havasu City 12:05:08 -26.5 Dark Down 50.9 277.7 Up 11:50:08 - 12:20:08 -2059
Parker 12:05:07 -26.4 Dark Down 50.8 278.2 Up 11:50:07 - 12:20:07 -2093
Blythe 12:05:07 -26.6 Dark Down 51.0 278.7 Up 11:50:07 - 12:20:07 -2156
CPSLO 12:05:28 -31.6 Dark Down 56.0 273.8 Up 11:50:28 - 12:20:28 -2188
Idyllwild 12:05:13 -28.3 Dark Down 52.7 277.7 Up 11:50:13 - 12:20:13 -2218
Calipatria 12:05:08 -27.3 Dark Down 51.6 278.9 Up 11:50:08 - 12:20:08 -2238
Wildwood 12:05:19 -29.9 Dark Down 54.3 276.4 Up 11:50:19 - 12:20:19 -2245
Yuma 12:05:05 -26.5 Dark Down 50.8 279.8 Up 11:50:05 - 12:20:05 -2250

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, (2020/11/18 12:08UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 16.49 147
Alnath         05:26:17.5 +28:36:23  1.6  3.45 161
PPM 094297     05:21:12.7 +29:34:11  5.7  1.99 160
PPM 070081     05:14:38.5 +30:40:18  8.1  0.28 158
PPM 070065     05:14:00.5 +30:46:07  9.1  0.21 158
PPM 070042     05:12:58.2 +30:44:09 11.5  0.15 158
04VZ130        05:13:21.1 +30:36:47 16.8       158
Positions are for J2000

Event circumstances last updated at 2020/06/21 22:43:56 UT

Marc W. Buie, Southwest Research Institute

RECON