RECON: TNO occultation with 14WR510

Event between 14WR510 and star GA1000:02796944 with event index number of 1435595

Geocentric closest approach at 2025/01/26 07:22:08 UTC

J2000 position of star is 07:25:03.2 +10:37:18
Equinox of date position of star is 07:26:07.4 +10:34:55
Stellar brightness G=15.8, use SENSEUP=128
Star is 150 degrees from the moon. Moon is 12% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 30.4 AU from the Sun and 29.4 AU from the Earth.
The TNO is moving 23.4 km/sec on the sky relative to the star, or, 3.9 arcsec/hr.
The 1-sigma error in the time of the event is 552 seconds.
The 1-sigma cross-track error in the shadow position is 3271 km.
The sky-plane scale is 21356.5 km/arcsec.

The TNO has an absolute magnitude Hv=7.5
Diameter=192.3 km assuming a 5% albedo -- 8.2 sec chord
Diameter=78.5 km assuming a 30% albedo -- 3.4 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14WR510, (2025/01/26 07:22UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:51.0 +27:57:49  1.1 18.04 153
Alhena         06:39:09.6 +16:22:33  1.9 12.87 163
PPM 124011     07:27:50.7 +10:33:23  6.2  0.35 150
PPM 123983     07:26:39.4 +10:52:30 10.2  0.31 151
14WR510        07:26:26.1 +10:34:14 15.8       150
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 1.6 sigma about the mid-time.
The median site spacing is 19.5 km RECON observability=1.0 and success probability=6.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 07:22:26 -57.3 Dark Down 50.4 189.0 Up 07:07:26 - 07:37:26 5997
Summerland 07:22:27 -57.5 Dark Down 50.8 188.6 Up 07:07:27 - 07:37:27 5968
Penticton 07:22:26 -57.6 Dark Down 50.8 188.8 Up 07:07:26 - 07:37:26 5964
Okanagan Falls 07:22:26 -57.8 Dark Down 51.0 188.8 Up 07:07:26 - 07:37:26 5948
Oliver 07:22:27 -57.9 Dark Down 51.2 188.8 Up 07:07:27 - 07:37:27 5935
Anarchist Mountain Observatory 07:22:26 -58.1 Dark Down 51.3 189.2 Up 07:07:26 - 07:37:26 5924
Oroville 07:22:26 -58.2 Dark Down 51.4 189.1 Up 07:07:26 - 07:37:26 5916
Tonasket 07:22:25 -58.4 Dark Down 51.6 189.1 Up 07:07:25 - 07:37:25 5897
Okanogan 07:22:26 -58.7 Dark Down 52.0 189.0 Up 07:07:26 - 07:37:26 5866
Brewster 07:22:26 -58.9 Dark Down 52.3 188.7 Up 07:07:26 - 07:37:26 5840
Manson/Chelan 07:22:26 -59.0 Dark Down 52.5 188.1 Up 07:07:26 - 07:37:26 5816
Entiat 07:22:27 -59.2 Dark Down 52.7 188.1 Up 07:07:27 - 07:37:27 5796
Wenatchee 07:22:27 -59.4 Dark Down 53.0 188.0 Up 07:07:27 - 07:37:27 5773
Ellensburg 07:22:27 -59.7 Dark Down 53.4 187.7 Up 07:07:27 - 07:37:27 5734
Yakima 07:22:26 -60.0 Dark Down 53.8 187.7 Up 07:07:26 - 07:37:26 5698
Pasco 07:22:22 -60.7 Dark Down 54.0 190.2 Up 07:07:22 - 07:37:22 5693
Toppenish/White Swan 07:22:26 -60.3 Dark Down 54.0 188.0 Up 07:07:26 - 07:37:26 5682
PNWRO 07:22:20 -61.0 Dark Down 54.2 190.6 Up 07:07:20 - 07:37:20 5675
George/Umatilla 07:22:22 -61.0 Dark Down 54.4 189.9 Up 07:07:22 - 07:37:22 5660
Goldendale 07:22:26 -60.7 Dark Down 54.6 187.4 Up 07:07:26 - 07:37:26 5627
The Dalles 07:22:27 -60.7 Dark Down 54.9 186.9 Up 07:07:27 - 07:37:27 5601
Maupin 07:22:27 -61.1 Dark Down 55.3 187.1 Up 07:07:27 - 07:37:27 5566
Madras/Culver 07:22:26 -61.6 Dark Down 55.8 187.1 Up 07:07:26 - 07:37:26 5516
Redmond 07:22:27 -61.9 Dark Down 56.2 187.1 Up 07:07:27 - 07:37:27 5484
Sisters 07:22:28 -61.8 Dark Down 56.2 186.4 Up 07:07:28 - 07:37:28 5479
Bend 07:22:26 -62.0 Dark Down 56.4 186.9 Up 07:07:26 - 07:37:26 5462
Oregon Observatory 07:22:27 -62.2 Dark Down 56.6 186.7 Up 07:07:27 - 07:37:27 5444
La Pine/Gilchrist 07:22:26 -62.3 Dark Down 56.8 186.6 Up 07:07:26 - 07:37:26 5425
Niwot 07:21:27 -68.4 Dark Down 55.7 216.2 Up 07:06:27 - 07:36:27 5417
SwRI 07:21:28 -68.6 Dark Down 55.8 216.1 Up 07:06:28 - 07:36:28 5405
North Lake 07:22:25 -62.9 Dark Down 57.2 187.8 Up 07:07:25 - 07:37:25 5396
Paisley 07:22:23 -63.5 Dark Down 57.7 188.5 Up 07:07:23 - 07:37:23 5352
Chiloquin 07:22:27 -63.1 Dark Down 57.9 186.2 Up 07:07:27 - 07:37:27 5317
Lakeview 07:22:22 -64.0 Dark Down 58.2 189.0 Up 07:07:22 - 07:37:22 5309
Klamath Falls 07:22:27 -63.5 Dark Down 58.3 186.4 Up 07:07:27 - 07:37:27 5287
Tulelake 07:22:25 -63.8 Dark Down 58.5 187.0 Up 07:07:25 - 07:37:25 5268
Cedarville 07:22:20 -64.7 Dark Down 58.8 189.5 Up 07:07:20 - 07:37:20 5252
Fall River/Burney 07:22:24 -64.6 Dark Down 59.4 187.3 Up 07:07:24 - 07:37:24 5185
Susanville 07:22:20 -65.4 Dark Down 59.9 188.9 Up 07:07:20 - 07:37:20 5140
Gimple 07:22:20 -65.6 Dark Down 60.2 188.5 Up 07:07:20 - 07:37:20 5110
Greenville 07:22:21 -65.6 Dark Down 60.2 188.4 Up 07:07:21 - 07:37:21 5109
Quincy 07:22:22 -65.7 Dark Down 60.4 188.4 Up 07:07:22 - 07:37:22 5090
Portola 07:22:19 -66.0 Dark Down 60.5 189.4 Up 07:07:19 - 07:37:19 5087
Reno 07:22:17 -66.5 Dark Down 60.7 190.8 Up 07:07:17 - 07:37:17 5074
Carson City 07:22:16 -66.8 Dark Down 61.0 190.9 Up 07:07:16 - 07:37:16 5040
Yerington 07:22:14 -67.2 Dark Down 61.1 192.2 Up 07:07:14 - 07:37:14 5034
Gardnerville 07:22:16 -67.1 Dark Down 61.3 191.1 Up 07:07:16 - 07:37:16 5018
Hawthorne 07:22:11 -67.8 Dark Down 61.5 193.5 Up 07:07:11 - 07:37:11 5000
Tonopah 07:22:06 -68.8 Dark Down 61.7 196.5 Up 07:07:06 - 07:37:06 4983
Lee Vining 07:22:13 -68.1 Dark Down 62.1 192.7 Up 07:07:13 - 07:37:13 4937
Bishop 07:22:10 -68.9 Dark Down 62.6 194.5 Up 07:07:10 - 07:37:10 4894
Beatty 07:22:03 -70.0 Dark Down 62.7 198.1 Up 07:07:03 - 07:37:03 4882
Indian Springs 07:21:58 -70.6 Dark Down 62.7 200.5 Up 07:06:58 - 07:36:58 4872
Henderson 07:21:55 -71.3 Dark Down 63.0 202.3 Up 07:06:55 - 07:36:55 4835
Lone Pine 07:22:06 -69.7 Dark Down 63.3 195.5 Up 07:07:06 - 07:37:06 4828
Patrick 07:21:49 -72.2 Dark Down 63.2 205.0 Up 07:06:49 - 07:36:49 4798
DCO 07:21:48 -72.7 Dark Down 63.2 206.7 Up 07:06:48 - 07:36:48 4783
Searchlight/Boulder City 07:21:54 -71.9 Dark Down 63.5 202.8 Up 07:06:54 - 07:36:54 4781
Kingman/Dolan Springs 07:21:51 -72.4 Dark Down 63.5 204.8 Up 07:06:51 - 07:36:51 4773
Laughlin/Bullhead City 07:21:53 -72.3 Dark Down 63.7 203.8 Up 07:06:53 - 07:36:53 4760
Mohave Valley 07:21:52 -72.5 Dark Down 63.9 204.0 Up 07:06:52 - 07:36:52 4734
Lake Havasu City 07:21:51 -73.0 Dark Down 64.2 204.8 Up 07:06:51 - 07:36:51 4700
Parker 07:21:50 -73.3 Dark Down 64.5 205.2 Up 07:06:50 - 07:36:50 4667
CPSLO 07:22:15 -69.6 Dark Down 65.0 190.5 Up 07:07:15 - 07:37:15 4651
Blythe 07:21:51 -73.7 Dark Down 65.1 205.0 Up 07:06:51 - 07:36:51 4609
Idyllwild 07:21:58 -72.7 Dark Down 65.7 200.3 Up 07:06:58 - 07:36:58 4576
Wildwood 07:22:07 -71.6 Dark Down 65.8 195.8 Up 07:07:07 - 07:37:07 4573
Calipatria 07:21:54 -73.8 Dark Down 65.9 203.4 Up 07:06:54 - 07:36:54 4541
Yuma 07:21:50 -74.5 Dark Down 65.9 205.8 Up 07:06:50 - 07:36:50 4517

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 14WR510, (2025/01/26 07:22UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:18.0 +28:01:33  1.1 18.04 153
Alhena         06:37:42.8 +16:23:57  1.9 12.87 163
PPM 124011     07:26:27.7 +10:36:29  6.2  0.35 150
PPM 123983     07:25:16.3 +10:55:34 10.2  0.31 151
14WR510        07:25:03.2 +10:37:18 15.8       150
Positions are for J2000

Event circumstances last updated at 2019/06/08 10:00:01 UT

Marc W. Buie, Southwest Research Institute

RECON