RECON: TNO occultation with 06SF369

Event between 06SF369 and star UC4-507-008512 with event index number of 231917

Geocentric closest approach at 2019/12/31 04:41:34 UTC

J2000 position of star is 04:52:30.2 +11:20:49
Equinox of date position of star is 04:53:30.2 +11:22:33
Stellar brightness R=16.0, use SENSEUP=128
Star is 96 degrees from the moon. Moon is 23% illuminated.
TNO apparent brightness V=23.0

[RECON map]
TNO is 42.7 AU from the Sun and 41.8 AU from the Earth.
The TNO is moving 23.1 km/sec on the sky relative to the star, or, 2.7 arcsec/hr.
The 1-sigma error in the time of the event is 214 seconds.
The 1-sigma cross-track error in the shadow position is 3501 km.
The sky-plane scale is 30313.9 km/arcsec.

The TNO has an absolute magnitude Hv=6.7
Diameter=275.4 km assuming a 5% albedo -- 11.9 sec chord
Diameter=112.4 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 06SF369, (2019/12/31 04:42UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:04.2 +16:32:53  0.8  6.54  93
Bellatrix      05:26:12.3 +06:21:58  1.6  9.48 102
6 Ori          04:55:53.6 +11:27:26  5.2  0.56  96
PPM 120326     04:52:19.1 +11:06:02  7.2  0.42  95
PPM 120346     04:53:31.9 +11:25:08  9.7  0.04  96
06SF369        04:53:36.8 +11:22:44 16.0        96
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 4.2 sigma about the mid-time.
The median site spacing is 22.8 km RECON observability=1.0 and success probability=3.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 04:43:00 -43.6 Dark Up 48.0 145.9 Up 04:28:00 - 04:58:00 9054
Tonasket 04:43:00 -43.7 Dark Up 48.2 145.8 Up 04:28:00 - 04:58:00 9033
Okanogan 04:43:01 -43.7 Dark Up 48.4 145.3 Up 04:28:01 - 04:58:01 9003
Brewster 04:43:01 -43.6 Dark Up 48.6 144.9 Up 04:28:01 - 04:58:01 8978
Manson/Chelan 04:43:03 -43.4 Dark Up 48.6 144.3 Up 04:28:03 - 04:58:03 8959
Entiat 04:43:03 -43.4 Dark Up 48.8 144.0 Up 04:28:03 - 04:58:03 8939
Wenatchee 04:43:04 -43.4 Dark Up 48.9 143.7 Up 04:28:04 - 04:58:04 8916
Ellensburg 04:43:04 -43.4 Dark Up 49.2 143.1 Up 04:28:04 - 04:58:04 8878
Yakima 04:43:05 -43.4 Dark Up 49.5 142.8 Up 04:28:05 - 04:58:05 8841
Toppenish/White Swan 04:43:05 -43.6 Dark Up 49.7 142.9 Up 04:28:05 - 04:58:05 8821
Pasco 04:43:01 -44.5 Dark Up 50.4 144.6 Up 04:28:01 - 04:58:01 8810
PNWRO 04:43:01 -44.7 Dark Up 50.6 144.7 Up 04:28:01 - 04:58:01 8788
George/Umatilla 04:43:02 -44.4 Dark Up 50.5 144.0 Up 04:28:02 - 04:58:02 8779
Goldendale 04:43:06 -43.4 Dark Up 50.0 141.9 Up 04:28:06 - 04:58:06 8770
The Dalles 04:43:08 -43.2 Dark Up 50.0 141.3 Up 04:28:08 - 04:58:08 8749
Maupin 04:43:08 -43.4 Dark Up 50.4 141.1 Up 04:28:08 - 04:58:08 8710
Madras/Culver 04:43:09 -43.4 Dark Up 50.8 140.6 Up 04:28:09 - 04:58:09 8658
Sisters 04:43:11 -43.2 Dark Up 50.9 139.8 Up 04:28:11 - 04:58:11 8627
Redmond 04:43:09 -43.5 Dark Up 51.1 140.3 Up 04:28:09 - 04:58:09 8624
Bend 04:43:10 -43.4 Dark Up 51.2 139.9 Up 04:28:10 - 04:58:10 8604
Oregon Observatory 04:43:11 -43.3 Dark Up 51.2 139.6 Up 04:28:11 - 04:58:11 8588
La Pine/Gilchrist 04:43:11 -43.3 Dark Up 51.4 139.4 Up 04:28:11 - 04:58:11 8568
North Lake 04:43:10 -43.8 Dark Up 52.0 139.8 Up 04:28:10 - 04:58:10 8527
Paisley 04:43:09 -44.2 Dark Up 52.6 139.9 Up 04:28:09 - 04:58:09 8474
Chiloquin 04:43:13 -43.2 Dark Up 52.0 138.0 Up 04:28:13 - 04:58:13 8462
Klamath Falls 04:43:12 -43.3 Dark Up 52.3 137.8 Up 04:28:12 - 04:58:12 8429
Lakeview 04:43:09 -44.4 Dark Up 53.0 139.7 Up 04:28:09 - 04:58:09 8425
Tulelake 04:43:13 -43.6 Dark Up 52.7 138.0 Up 04:28:13 - 04:58:13 8403
Cedarville 04:43:09 -44.6 Dark Up 53.6 139.4 Up 04:28:09 - 04:58:09 8362
Fall River/Burney 04:43:13 -43.8 Dark Up 53.4 137.3 Up 04:28:13 - 04:58:13 8315
Niwot 04:42:17 -55.8 Dark Down 60.3 163.2 Up 04:27:17 - 04:57:17 8264
Susanville 04:43:11 -44.4 Dark Up 54.2 137.7 Up 04:28:11 - 04:58:11 8253
Greenville 04:43:12 -44.2 Dark Up 54.3 137.0 Up 04:28:12 - 04:58:12 8226
Gimple 04:43:13 -44.3 Dark Up 54.3 137.2 Up 04:28:13 - 04:58:13 8226
Quincy 04:43:13 -44.2 Dark Up 54.4 136.8 Up 04:28:13 - 04:58:13 8206
Portola 04:43:11 -44.6 Dark Up 54.8 137.4 Up 04:28:11 - 04:58:11 8194
Reno 04:43:09 -45.1 Dark Up 55.3 138.1 Up 04:28:09 - 04:58:09 8168
Carson City 04:43:09 -45.2 Dark Up 55.6 137.8 Up 04:28:09 - 04:58:09 8132
Yerington 04:43:08 -45.7 Dark Up 56.0 138.5 Up 04:28:08 - 04:58:08 8113
Gardnerville 04:43:10 -45.2 Dark Up 55.8 137.6 Up 04:28:10 - 04:58:10 8108
Hawthorne 04:43:06 -46.1 Dark Up 56.7 138.8 Up 04:28:06 - 04:58:06 8067
Tonopah 04:43:01 -47.3 Dark Up 57.7 140.5 Up 04:28:01 - 04:58:01 8022
Lee Vining 04:43:08 -45.8 Dark Up 56.8 137.5 Up 04:28:08 - 04:58:08 8010
Bishop 04:43:06 -46.4 Dark Up 57.7 138.0 Up 04:28:06 - 04:58:06 7951
Beatty 04:43:01 -47.8 Dark Up 58.9 140.1 Up 04:28:01 - 04:58:01 7907
Indian Springs 04:42:57 -48.6 Dark Up 59.6 141.5 Up 04:27:57 - 04:57:57 7875
Lone Pine 04:43:05 -46.8 Dark Up 58.4 137.7 Up 04:28:05 - 04:58:05 7875
Henderson 04:42:54 -49.2 Dark Up 60.4 142.0 Up 04:27:54 - 04:57:54 7823
Searchlight/Boulder City 04:42:54 -49.4 Dark Up 60.9 141.5 Up 04:27:54 - 04:57:54 7764
Patrick 04:42:51 -50.2 Dark Up 61.4 143.3 Up 04:27:51 - 04:57:51 7761
CPSLO 04:43:15 -44.8 Dark Up 57.9 132.4 Up 04:28:15 - 04:58:15 7741
Kingman/Dolan Springs 04:42:52 -50.1 Dark Up 61.5 142.7 Up 04:27:52 - 04:57:52 7738
Laughlin/Bullhead City 04:42:53 -49.7 Dark Up 61.3 141.8 Up 04:27:53 - 04:57:53 7735
DCO 04:42:48 -50.8 Dark Up 62.0 144.2 Up 04:27:48 - 04:57:48 7732
Mohave Valley 04:42:53 -49.7 Dark Up 61.5 141.5 Up 04:27:53 - 04:57:53 7707
Lake Havasu City 04:42:52 -49.9 Dark Up 61.9 141.4 Up 04:27:52 - 04:57:52 7666
Parker 04:42:52 -50.0 Dark Up 62.2 141.1 Up 04:27:52 - 04:57:52 7630
Wildwood 04:43:08 -46.5 Dark Up 59.9 133.9 Up 04:28:08 - 04:58:08 7618
Idyllwild 04:43:02 -48.0 Dark Up 61.2 136.5 Up 04:28:02 - 04:58:02 7583
Blythe 04:42:54 -49.8 Dark Up 62.5 139.9 Up 04:27:54 - 04:57:54 7575
Calipatria 04:42:58 -49.0 Dark Up 62.4 137.7 Up 04:27:58 - 04:57:58 7522
Yuma 04:42:54 -49.8 Dark Up 63.2 138.7 Up 04:27:54 - 04:57:54 7479

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 06SF369, (2019/12/31 04:42UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8  6.54  93
Bellatrix      05:25:07.8 +06:20:58  1.6  9.48 102
6 Ori          04:54:46.9 +11:25:35  5.2  0.56  96
PPM 120326     04:51:12.6 +11:04:04  7.2  0.42  95
PPM 120346     04:52:25.2 +11:23:13  9.7  0.04  96
06SF369        04:52:30.2 +11:20:49 16.0        96
Positions are for J2000

Event circumstances last updated at 2018/01/09 17:50:11 UT

Marc W. Buie, Southwest Research Institute

RECON