RECON: TNO occultation with 00YV1

Event between 00YV1 and star GA1120:00986953 with event index number of 999166

Geocentric closest approach at 2020/12/04 06:07:13 UTC

J2000 position of star is 05:08:48.2 +22:09:35
Equinox of date position of star is 05:09:57.0 +22:10:59
Stellar brightness G=16.0, use SENSEUP=128
Star is 38 degrees from the moon. Moon is 86% illuminated.
TNO apparent brightness V=23.7

[RECON map]
TNO is 44.8 AU from the Sun and 43.9 AU from the Earth.
The TNO is moving 25.7 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 933 seconds.
The 1-sigma cross-track error in the shadow position is 2698 km.
The sky-plane scale is 31810.2 km/arcsec.

The TNO has an absolute magnitude Hv=7.2
Diameter=218.8 km assuming a 5% albedo -- 8.5 sec chord
Diameter=89.3 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 00YV1, (2020/12/04 06:07UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:07.4 +16:32:59  0.8  9.59  47
Alnath         05:27:37.0 +28:37:24  1.6  7.56  34
PPM 094053     05:06:53.6 +23:05:17  6.5  1.16  39
PPM 094127     05:11:08.1 +22:00:46  8.0  0.30  38
PPM 094092     05:09:32.3 +22:15:47  9.3  0.14  39
00YV1          05:10:03.6 +22:11:07 16.0        38
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 1.0 sigma about the mid-time.
The median site spacing is 18.0 km RECON observability=1.0 and success probability=19.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Summerland 06:08:22 -56.1 Dark Up 53.0 126.9 Up 05:53:22 - 06:23:22 465
Kelowna 06:08:22 -56.2 Dark Up 53.1 127.4 Up 05:53:22 - 06:23:22 457
Penticton 06:08:22 -56.4 Dark Up 53.3 126.8 Up 05:53:22 - 06:23:22 435
Okanagan Falls 06:08:22 -56.5 Dark Up 53.4 126.6 Up 05:53:22 - 06:23:22 422
Oliver 06:08:22 -56.6 Dark Up 53.5 126.4 Up 05:53:22 - 06:23:22 409
Anarchist Mountain Observatory 06:08:22 -56.8 Dark Up 53.7 126.5 Up 05:53:22 - 06:23:22 390
Oroville 06:08:22 -56.9 Dark Up 53.7 126.3 Up 05:53:22 - 06:23:22 388
Tonasket 06:08:22 -57.0 Dark Up 53.8 126.0 Up 05:53:22 - 06:23:22 372
Ellensburg 06:08:22 -57.6 Dark Up 54.2 122.7 Up 05:53:22 - 06:23:22 366
Yakima 06:08:22 -57.9 Dark Up 54.4 122.2 Up 05:53:22 - 06:23:22 365
Manson/Chelan 06:08:22 -57.2 Dark Up 53.9 124.2 Up 05:53:22 - 06:23:22 365
Entiat 06:08:22 -57.3 Dark Up 54.0 123.9 Up 05:53:22 - 06:23:22 361
Wenatchee 06:08:22 -57.5 Dark Up 54.1 123.5 Up 05:53:22 - 06:23:22 359
Okanogan 06:08:22 -57.2 Dark Up 53.9 125.5 Up 05:53:22 - 06:23:22 358
Toppenish/White Swan 06:08:22 -58.1 Dark Up 54.6 122.2 Up 05:53:22 - 06:23:22 355
Brewster 06:08:22 -57.3 Dark Up 54.0 124.9 Up 05:53:22 - 06:23:22 354
George/Umatilla 06:08:22 -59.0 Dark Up 55.5 122.9 Up 05:53:22 - 06:23:22 290
Pasco 06:08:22 -58.9 Dark Up 55.4 123.6 Up 05:53:22 - 06:23:22 271
PNWRO 06:08:22 -59.1 Dark Up 55.7 123.6 Up 05:53:22 - 06:23:22 258
Goldendale 06:08:36 -58.3 Dark Up 54.7 121.0 Up 05:53:36 - 06:23:36 107
The Dalles 06:08:38 -58.2 Dark Up 54.6 120.3 Up 05:53:38 - 06:23:38 94
Maupin 06:08:38 -58.5 Dark Up 54.8 120.0 Up 05:53:38 - 06:23:38 53
Madras/Culver 06:08:40 -58.8 Dark Up 55.1 119.2 Up 05:53:40 - 06:23:40 2
Sisters 06:08:41 -58.8 Dark Up 55.0 118.3 Up 05:53:41 - 06:23:41 -19
Redmond 06:08:40 -59.0 Dark Up 55.2 118.7 Up 05:53:40 - 06:23:40 -30
Bend 06:08:41 -59.1 Dark Up 55.2 118.3 Up 05:53:41 - 06:23:41 -48
Oregon Observatory 06:08:42 -59.1 Dark Up 55.2 117.9 Up 05:53:42 - 06:23:42 -61
La Pine/Gilchrist 06:08:42 -59.2 Dark Up 55.3 117.6 Up 05:53:42 - 06:23:42 -79
North Lake 06:08:42 -59.8 Dark Up 55.9 117.7 Up 05:53:42 - 06:23:42 -134
Chiloquin 06:08:45 -59.6 Dark Up 55.6 115.7 Up 05:53:45 - 06:23:45 -177
Paisley 06:08:42 -60.3 Dark Up 56.4 117.4 Up 05:53:42 - 06:23:42 -195
Klamath Falls 06:08:46 -59.8 Dark Up 55.8 115.4 Up 05:53:46 - 06:23:46 -211
Tulelake 06:08:46 -60.2 Dark Up 56.1 115.4 Up 05:53:46 - 06:23:46 -244
Lakeview 06:08:42 -60.7 Dark Up 56.7 117.0 Up 05:53:42 - 06:23:42 -248
Cedarville 06:08:43 -61.2 Dark Up 57.2 116.3 Up 05:53:43 - 06:23:43 -315
Fall River/Burney 06:08:47 -60.7 Dark Up 56.5 114.2 Up 05:53:47 - 06:23:47 -334
Susanville 06:08:46 -61.5 Dark Up 57.3 114.2 Up 05:53:46 - 06:23:46 -412
Greenville 06:08:47 -61.5 Dark Up 57.2 113.5 Up 05:53:47 - 06:23:47 -432
Gimple 06:08:47 -61.5 Dark Up 57.3 113.6 Up 05:53:47 - 06:23:47 -435
Quincy 06:08:48 -61.6 Dark Up 57.3 113.2 Up 05:53:48 - 06:23:48 -452
Portola 06:08:47 -62.0 Dark Up 57.7 113.5 Up 05:53:47 - 06:23:47 -476
Reno 06:08:46 -62.5 Dark Up 58.2 113.9 Up 05:53:46 - 06:23:46 -517
Carson City 06:08:46 -62.7 Dark Up 58.4 113.4 Up 05:53:46 - 06:23:46 -553
Gardnerville 06:08:46 -62.9 Dark Up 58.5 113.1 Up 05:53:46 - 06:23:46 -578
Yerington 06:08:45 -63.2 Dark Up 58.9 113.8 Up 05:53:45 - 06:23:45 -587
Hawthorne 06:08:44 -63.8 Dark Up 59.5 113.7 Up 05:53:44 - 06:23:44 -645
Lee Vining 06:08:46 -63.8 Dark Up 59.4 112.3 Up 05:53:46 - 06:23:46 -690
Tonopah 06:08:41 -65.0 Dark Up 60.7 114.6 Up 05:53:41 - 06:23:41 -724
Niwot 06:08:02 -70.0 Dark Up 67.1 136.5 Up 05:53:02 - 06:23:02 -752
SwRI 06:08:02 -70.1 Dark Up 67.1 136.1 Up 05:53:02 - 06:23:02 -761
Bishop 06:08:45 -64.6 Dark Up 60.1 112.1 Up 05:53:45 - 06:23:45 -767
Beatty 06:08:41 -65.9 Dark Up 61.5 113.2 Up 05:53:41 - 06:23:41 -851
Lone Pine 06:08:46 -65.2 Dark Up 60.7 111.2 Up 05:53:46 - 06:23:46 -852
Indian Springs 06:08:39 -66.8 Dark Up 62.4 113.9 Up 05:53:39 - 06:23:39 -909
CPSLO 06:08:55 -63.9 Dark Up 59.1 106.5 Up 05:53:55 - 06:23:55 -920
Henderson 06:08:37 -67.6 Dark Up 63.1 113.8 Up 05:53:37 - 06:23:37 -979
Searchlight/Boulder City 06:08:38 -67.9 Dark Up 63.4 112.9 Up 05:53:38 - 06:23:38 -1039
Laughlin/Bullhead City 06:08:37 -68.3 Dark Up 63.8 112.7 Up 05:53:37 - 06:23:37 -1077
Kingman/Dolan Springs 06:08:36 -68.7 Dark Up 64.2 113.4 Up 05:53:36 - 06:23:36 -1086
Wildwood 06:08:51 -65.9 Dark Up 61.1 106.4 Up 05:53:51 - 06:23:51 -1094
Mohave Valley 06:08:38 -68.5 Dark Up 63.9 112.2 Up 05:53:38 - 06:23:38 -1105
Patrick 06:08:22 -68.7 Dark Up 64.2 114.0 Up 05:53:22 - 06:23:22 -1118
DCO 06:08:22 -69.3 Dark Up 64.8 114.3 Up 05:53:22 - 06:23:22 -1151
Lake Havasu City 06:08:37 -68.9 Dark Up 64.2 111.8 Up 05:53:37 - 06:23:37 -1152
Idyllwild 06:08:46 -67.5 Dark Up 62.7 107.7 Up 05:53:46 - 06:23:46 -1176
Parker 06:08:38 -69.1 Dark Up 64.4 111.1 Up 05:53:38 - 06:23:38 -1189
Blythe 06:08:39 -69.1 Dark Up 64.3 109.8 Up 05:53:39 - 06:23:39 -1237
Calipatria 06:08:43 -68.6 Dark Up 63.8 107.8 Up 05:53:43 - 06:23:43 -1266
Yuma 06:08:41 -69.5 Dark Up 64.6 107.9 Up 05:53:41 - 06:23:41 -1332

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 00YV1, (2020/12/04 06:07UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8  9.59  47
Alnath         05:26:17.5 +28:36:23  1.6  7.56  34
PPM 094053     05:05:37.7 +23:03:40  6.5  1.16  39
PPM 094127     05:09:52.8 +21:59:16  8.0  0.30  38
PPM 094092     05:08:16.8 +22:14:14  9.3  0.14  39
00YV1          05:08:48.2 +22:09:35 16.0        38
Positions are for J2000

Event circumstances last updated at 2019/01/29 03:56:00 UT

Marc W. Buie, Southwest Research Institute

RECON