RECON: TNO occultation with 02VD130

Event between 02VD130 and star GA1160:02477344 with event index number of 237686

Geocentric closest approach at 2020/01/08 08:28:32 UTC

J2000 position of star is 06:41:58.0 +26:39:02
Equinox of date position of star is 06:43:06.8 +26:37:54
Stellar brightness G=17.2, use SENSEUP=128
Star is 24 degrees from the moon. Moon is 93% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 32.4 AU from the Sun and 31.4 AU from the Earth.
The TNO is moving 24.0 km/sec on the sky relative to the star, or, 3.8 arcsec/hr.
The 1-sigma error in the time of the event is 297 seconds.
The 1-sigma cross-track error in the shadow position is 2013 km.
The sky-plane scale is 22808.6 km/arcsec.

The TNO has an absolute magnitude Hv=7.1
Diameter=230.2 km assuming a 5% albedo -- 9.6 sec chord
Diameter=94.0 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is 2:1E+4:2II
 
 
 
 
 
 

Star training set for 02VD130, (2020/01/08 08:29UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:32.4 +27:58:35  1.1 14.12  38
Alhena         06:38:52.1 +16:22:50  1.9 10.30  23
54 Aur         06:40:48.9 +28:14:37  5.8  1.70  23
PPM 096294     06:39:50.4 +26:53:11  8.3  0.80  23
PPM 096407     06:43:40.2 +26:44:28 10.0  0.15  24
PPM 096399     06:43:21.1 +26:35:36 10.8  0.05  24
02VD130        06:43:12.8 +26:37:48 17.2        24
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 3.0 sigma about the mid-time.
The median site spacing is 25.9 km RECON observability=1.0 and success probability=6.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 08:27:58 -62.4 Dark Up 64.6 211.0 Up 08:12:58 - 08:42:58 5492
Oroville 08:27:57 -62.9 Dark Up 65.1 211.9 Up 08:12:57 - 08:42:57 5434
Tonasket 08:27:57 -63.2 Dark Up 65.3 212.2 Up 08:12:57 - 08:42:57 5411
Okanogan 08:27:56 -63.5 Dark Up 65.6 212.2 Up 08:12:56 - 08:42:56 5375
Brewster 08:27:57 -63.8 Dark Up 65.9 212.2 Up 08:12:57 - 08:42:57 5345
Manson/Chelan 08:27:58 -64.1 Dark Up 66.2 211.7 Up 08:12:58 - 08:42:58 5319
Entiat 08:27:58 -64.3 Dark Up 66.4 211.8 Up 08:12:58 - 08:42:58 5296
Wenatchee 08:27:58 -64.6 Dark Up 66.7 211.9 Up 08:12:58 - 08:42:58 5269
Ellensburg 08:27:58 -65.0 Dark Up 67.1 212.0 Up 08:12:58 - 08:42:58 5224
Yakima 08:27:58 -65.4 Dark Up 67.5 212.4 Up 08:12:58 - 08:42:58 5183
Pasco 08:27:53 -65.5 Dark Up 67.2 215.9 Up 08:12:53 - 08:42:53 5167
Toppenish/White Swan 08:27:57 -65.6 Dark Up 67.6 213.1 Up 08:12:57 - 08:42:57 5163
PNWRO 08:27:52 -65.7 Dark Up 67.3 216.7 Up 08:12:52 - 08:42:52 5145
George/Umatilla 08:27:53 -65.9 Dark Up 67.5 215.9 Up 08:12:53 - 08:42:53 5130
Goldendale 08:27:58 -66.2 Dark Up 68.2 212.9 Up 08:12:58 - 08:42:58 5101
The Dalles 08:27:59 -66.4 Dark Up 68.5 212.4 Up 08:12:59 - 08:42:59 5073
Maupin 08:27:58 -66.8 Dark Up 68.8 213.2 Up 08:12:58 - 08:42:58 5031
Madras/Culver 08:27:57 -67.4 Dark Up 69.3 213.9 Up 08:12:57 - 08:42:57 4974
Redmond 08:27:57 -67.7 Dark Up 69.6 214.3 Up 08:12:57 - 08:42:57 4936
Sisters 08:27:59 -67.8 Dark Up 69.8 213.4 Up 08:12:59 - 08:42:59 4933
Bend 08:27:57 -68.0 Dark Up 69.9 214.3 Up 08:12:57 - 08:42:57 4912
Oregon Observatory 08:27:58 -68.2 Dark Up 70.1 214.3 Up 08:12:58 - 08:42:58 4892
La Pine/Gilchrist 08:27:58 -68.4 Dark Up 70.2 214.5 Up 08:12:58 - 08:42:58 4870
North Lake 08:27:55 -68.7 Dark Up 70.4 216.6 Up 08:12:55 - 08:42:55 4833
Niwot 08:27:15 -65.4 Dark Up 62.8 249.1 Up 08:12:15 - 08:42:15 4811
Paisley 08:27:53 -69.2 Dark Up 70.6 218.3 Up 08:12:53 - 08:42:53 4780
Chiloquin 08:27:58 -69.5 Dark Up 71.3 215.5 Up 08:12:58 - 08:42:58 4749
Lakeview 08:27:52 -69.7 Dark Up 70.9 219.7 Up 08:12:52 - 08:42:52 4730
Klamath Falls 08:27:57 -69.8 Dark Up 71.6 216.3 Up 08:12:57 - 08:42:57 4715
Tulelake 08:27:56 -70.1 Dark Up 71.6 217.5 Up 08:12:56 - 08:42:56 4690
Cedarville 08:27:51 -70.3 Dark Up 71.4 221.3 Up 08:12:51 - 08:42:51 4664
Fall River/Burney 08:27:55 -70.9 Dark Up 72.3 219.4 Up 08:12:55 - 08:42:55 4596
Susanville 08:27:52 -71.4 Dark Up 72.4 222.5 Up 08:12:52 - 08:42:52 4540
Gimple 08:27:52 -71.8 Dark Up 72.7 222.6 Up 08:12:52 - 08:42:52 4507
Greenville 08:27:52 -71.8 Dark Up 72.8 222.4 Up 08:12:52 - 08:42:52 4506
Quincy 08:27:52 -72.0 Dark Up 72.9 222.8 Up 08:12:52 - 08:42:52 4485
Portola 08:27:51 -72.0 Dark Up 72.8 224.2 Up 08:12:51 - 08:42:51 4478
Reno 08:27:48 -72.1 Dark Up 72.6 226.4 Up 08:12:48 - 08:42:48 4460
Carson City 08:27:48 -72.5 Dark Up 72.8 227.3 Up 08:12:48 - 08:42:48 4422
Yerington 08:27:45 -72.5 Dark Up 72.6 229.2 Up 08:12:45 - 08:42:45 4411
Gardnerville 08:27:48 -72.7 Dark Up 73.0 228.0 Up 08:12:48 - 08:42:48 4397
Hawthorne 08:27:43 -72.8 Dark Up 72.6 231.5 Up 08:12:43 - 08:42:43 4370
Tonopah 08:27:37 -72.8 Dark Up 72.0 235.5 Up 08:12:37 - 08:42:37 4343
Lee Vining 08:27:44 -73.4 Dark Up 73.2 231.8 Up 08:12:44 - 08:42:44 4302
Bishop 08:27:41 -73.8 Dark Up 73.1 235.0 Up 08:12:41 - 08:42:41 4250
Beatty 08:27:34 -73.6 Dark Up 72.3 239.4 Up 08:12:34 - 08:42:34 4228
Indian Springs 08:27:30 -73.5 Dark Up 71.7 242.2 Up 08:12:30 - 08:42:30 4213
Lone Pine 08:27:39 -74.4 Dark Up 73.4 237.7 Up 08:12:39 - 08:42:39 4174
Henderson 08:27:27 -73.6 Dark Up 71.5 244.8 Up 08:12:27 - 08:42:27 4169
Patrick 08:27:23 -73.5 Dark Up 70.9 248.2 Up 08:12:23 - 08:42:23 4123
Searchlight/Boulder City 08:27:26 -74.0 Dark Up 71.7 246.5 Up 08:12:26 - 08:42:26 4109
DCO 08:27:20 -73.4 Dark Up 70.5 250.0 Up 08:12:20 - 08:42:20 4105
Kingman/Dolan Springs 08:27:23 -73.8 Dark Up 71.1 248.5 Up 08:12:23 - 08:42:23 4096
Laughlin/Bullhead City 08:27:25 -74.1 Dark Up 71.5 247.8 Up 08:12:25 - 08:42:25 4084
Mohave Valley 08:27:25 -74.3 Dark Up 71.6 248.6 Up 08:12:25 - 08:42:25 4055
Lake Havasu City 08:27:23 -74.5 Dark Up 71.6 250.1 Up 08:12:23 - 08:42:23 4017
CPSLO 08:27:47 -76.4 Dark Up 75.8 236.1 Up 08:12:47 - 08:42:47 3994
Parker 08:27:23 -74.7 Dark Up 71.7 251.1 Up 08:12:23 - 08:42:23 3980
Blythe 08:27:23 -75.3 Dark Up 72.1 252.2 Up 08:12:23 - 08:42:23 3918
Wildwood 08:27:38 -76.8 Dark Up 75.0 244.4 Up 08:12:38 - 08:42:38 3896
Idyllwild 08:27:31 -76.3 Dark Up 73.7 248.8 Up 08:12:31 - 08:42:31 3891
Calipatria 08:27:26 -76.2 Dark Up 73.0 252.5 Up 08:12:26 - 08:42:26 3847
Yuma 08:27:23 -76.0 Dark Up 72.4 254.9 Up 08:12:23 - 08:42:23 3818

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 02VD130, (2020/01/08 08:29UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:18.1 +28:01:33  1.1 14.12  38
Alhena         06:37:42.8 +16:23:57  1.9 10.30  23
54 Aur         06:39:33.1 +28:15:47  5.8  1.70  23
PPM 096294     06:38:35.5 +26:54:19  8.3  0.80  23
PPM 096407     06:42:25.4 +26:45:43 10.0  0.15  24
PPM 096399     06:42:06.3 +26:36:51 10.8  0.05  24
02VD130        06:41:58.0 +26:39:02 17.2        24
Positions are for J2000

Event circumstances last updated at 2018/06/05 18:23:07 UT

Marc W. Buie, Southwest Research Institute

RECON