RECON: TNO occultation with 04QQ26

Event between 04QQ26 and star GA0880:07204098 with event index number of 293743

Geocentric closest approach at 2020/07/14 10:57:12 UTC

J2000 position of star is 18:09:45.5 -01:37:19
Equinox of date position of star is 18:10:49.2 -01:37:01
Stellar brightness G=15.9, use SENSEUP=128
Star is 125 degrees from the moon. Moon is 36% illuminated.
TNO apparent brightness V=23.5

[RECON map]
TNO is 22.0 AU from the Sun and 21.1 AU from the Earth.
The TNO is moving 21.4 km/sec on the sky relative to the star, or, 5.0 arcsec/hr.
The 1-sigma error in the time of the event is 804 seconds.
The 1-sigma cross-track error in the shadow position is 3559 km.
The sky-plane scale is 15285.0 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=74.5 km assuming a 5% albedo -- 2.8 sec chord
Diameter=30.4 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 04QQ26, (2020/07/14 10:57UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:40.2 -26:28:33  0.9 34.59 148
60Bet Oph      17:44:29.3 +04:33:37  2.8  9.02 130
PPM 201570     18:17:57.7 -03:00:01  5.9  2.26 123
PPM 180249     18:08:10.1 -01:46:00  8.5  0.68 125
PPM 180254     18:09:36.6 -01:28:51  9.0  0.33 125
PPM 180261     18:11:36.7 -01:44:57 10.4  0.24 125
04QQ26         18:10:49.4 -01:37:01 15.9       125
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 1.1 sigma about the mid-time.
The median site spacing is 0.0 km RECON observability=0.0 and success probability=0.0%
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 10:53:45 -8.9 NT Up 14.7 248.8 Really Low 10:38:45 - 11:08:45 4475
Kelowna 10:53:45 -9.3 NT Up 14.9 248.8 Really Low 10:38:45 - 11:08:45 4444
Peachland 10:53:45 -9.5 NT Up 15.2 248.6 Really Low 10:38:45 - 11:08:45 4437
Summerland 10:53:44 -9.6 NT Up 15.2 248.7 Really Low 10:38:44 - 11:08:44 4424
Penticton 10:53:44 -9.6 NT Up 15.1 248.8 Really Low 10:38:44 - 11:08:44 4418
Oliver 10:53:43 -9.8 NT Up 15.2 248.9 Really Low 10:38:43 - 11:08:43 4389
Anarchist Mountain Observatory 10:53:42 -9.9 NT Up 15.2 249.1 Really Low 10:38:42 - 11:08:42 4373
Victoria 10:53:46 -11.9 NT Up 17.8 245.9 Really Low 10:38:46 - 11:08:46 4362
Tonasket 10:53:41 -10.2 NT Up 15.3 249.1 Really Low 10:38:41 - 11:08:41 4348
Okanogan 10:53:40 -10.5 NT Up 15.6 249.1 Really Low 10:38:40 - 11:08:40 4321
Brewster 10:53:40 -10.8 NT Up 15.8 249.0 Really Low 10:38:40 - 11:08:40 4299
Manson/Chelan 10:53:40 -11.1 NT Up 16.1 248.7 Really Low 10:38:40 - 11:08:40 4284
Entiat 10:53:40 -11.3 NT Up 16.2 248.7 Really Low 10:38:40 - 11:08:40 4266
Wenatchee 10:53:39 -11.5 NT Up 16.4 248.7 Really Low 10:38:39 - 11:08:39 4245
Ellensburg 10:53:38 -12.0 NT Up 16.7 248.6 Really Low 10:38:38 - 11:08:38 4212
Yakima 10:53:37 -12.3 AT Up 16.8 248.7 Really Low 10:38:37 - 11:08:37 4177
Toppenish/White Swan 10:53:36 -12.4 AT Up 16.8 248.9 Really Low 10:38:36 - 11:08:36 4157
Pasco 10:53:34 -11.9 NT Up 16.0 250.0 Really Low 10:38:34 - 11:08:34 4137
PNWRO 10:53:32 -12.0 NT Up 16.0 250.2 Really Low 10:38:32 - 11:08:32 4114
Goldendale 10:53:35 -13.0 AT Up 17.3 248.7 Really Low 10:38:35 - 11:08:35 4113
The Dalles 10:53:36 -13.3 AT Up 17.6 248.5 Really Low 10:38:36 - 11:08:36 4096
Maupin 10:53:34 -13.6 AT Up 17.7 248.7 Really Low 10:38:34 - 11:08:34 4058
Sisters 10:53:32 -14.5 AT Up 18.3 248.6 Really Low 10:38:32 - 11:08:32 3985
Redmond 10:53:32 -14.4 AT Up 18.1 248.9 Really Low 10:38:32 - 11:08:32 3980
Bend 10:53:31 -14.6 AT Up 18.3 248.9 Really Low 10:38:31 - 11:08:31 3962
Oregon Observatory 10:53:31 -14.8 AT Up 18.4 248.8 Really Low 10:38:31 - 11:08:31 3948
La Pine/Gilchrist 10:53:30 -15.0 AT Up 18.5 248.8 Really Low 10:38:30 - 11:08:30 3930
North Lake 10:53:29 -15.0 AT Up 18.3 249.4 Really Low 10:38:29 - 11:08:29 3886
Paisley 10:53:26 -15.3 AT Up 18.2 249.9 Really Low 10:38:26 - 11:08:26 3834
Klamath Falls 10:53:28 -16.2 AT Up 19.2 249.1 Really Low 10:38:28 - 11:08:28 3801
Lakeview 10:53:25 -15.6 AT Up 18.3 250.2 Really Low 10:38:25 - 11:08:25 3786
Cedarville 10:53:23 -16.0 AT Up 18.4 250.5 Really Low 10:38:23 - 11:08:23 3725
Fall River/Burney 10:53:24 -17.0 AT Up 19.4 249.7 Really Low 10:38:24 - 11:08:24 3690
Susanville 10:53:21 -17.1 AT Up 19.1 250.5 Really Low 10:38:21 - 11:08:21 3626
Greenville 10:53:21 -17.5 AT Up 19.4 250.4 Really Low 10:38:21 - 11:08:21 3602
Gimple 10:53:21 -17.4 AT Up 19.3 250.4 Really Low 10:38:21 - 11:08:21 3602
Quincy 10:53:21 -17.6 AT Up 19.5 250.4 Really Low 10:38:21 - 11:08:21 3584
Portola 10:53:20 -17.5 AT Up 19.2 250.8 Really Low 10:38:20 - 11:08:20 3568
Reno 10:53:18 -17.4 AT Up 18.8 251.4 Really Low 10:38:18 - 11:08:18 3537
Carson City 10:53:17 -17.6 AT Up 18.9 251.5 Really Low 10:38:17 - 11:08:17 3504
Niwot 10:53:01 -8.9 NT Up 7.8 261.2 Really Low 10:38:01 - 11:08:01 3492
SwRI 10:53:00 -9.0 NT Up 7.9 261.2 Really Low 10:38:00 - 11:08:00 3482
Gardnerville 10:53:17 -17.8 AT Up 18.9 251.6 Really Low 10:38:17 - 11:08:17 3480
Yerington 10:53:16 -17.5 AT Up 18.5 252.0 Really Low 10:38:16 - 11:08:16 3480
Hawthorne 10:53:14 -17.5 AT Up 18.2 252.5 Really Low 10:38:14 - 11:08:14 3431
Lee Vining 10:53:13 -18.2 Dark Up 18.8 252.4 Really Low 10:38:13 - 11:08:13 3382
Tonopah 10:53:10 -17.1 AT Up 17.3 253.6 Really Low 10:38:10 - 11:08:10 3376
Bishop 10:53:11 -18.3 Dark Up 18.4 253.0 Really Low 10:38:11 - 11:08:11 3318
Beatty 10:53:07 -17.7 AT Up 17.3 254.3 Really Low 10:38:07 - 11:08:07 3260
Indian Springs 10:53:05 -17.4 AT Up 16.6 255.1 Really Low 10:38:05 - 11:08:05 3220
Henderson 10:53:03 -17.4 AT Up 16.1 255.7 Really Low 10:38:03 - 11:08:03 3162
CPSLO 10:53:11 -21.0 Dark Up 20.8 252.2 Low 10:38:11 - 11:08:11 3138
Searchlight/Boulder City 10:53:01 -17.7 AT Up 16.2 255.9 Really Low 10:38:01 - 11:08:01 3106
Patrick 10:53:00 -17.2 AT Up 15.4 256.6 Really Low 10:38:00 - 11:08:00 3092
Laughlin/Bullhead City 10:53:00 -17.7 AT Up 16.0 256.2 Really Low 10:38:00 - 11:08:00 3074
Kingman/Dolan Springs 10:52:59 -17.4 AT Up 15.6 256.5 Really Low 10:37:59 - 11:07:59 3072
DCO 10:52:57 -17.0 AT Up 14.9 257.1 Really Low 10:37:57 - 11:07:57 3057
Mohave Valley 10:53:00 -17.9 AT Up 16.1 256.3 Really Low 10:38:00 - 11:08:00 3047
Lake Havasu City 10:52:58 -18.1 Dark Up 16.0 256.5 Really Low 10:37:58 - 11:07:58 3005
Wildwood 10:53:05 -20.8 Dark Up 19.5 254.0 Really Low 10:38:05 - 11:08:05 3001
Parker 10:52:58 -18.3 Dark Up 16.1 256.6 Really Low 10:37:58 - 11:07:58 2970
Idyllwild 10:53:01 -20.0 Dark Up 18.1 255.3 Really Low 10:38:01 - 11:08:01 2949
Blythe 10:52:57 -18.8 Dark Up 16.4 256.6 Really Low 10:37:57 - 11:07:57 2920
George/Scottsdale 10:52:53 -17.1 AT Up 14.2 258.2 Really Low 10:37:53 - 11:07:53 2909
Calipatria 10:52:58 -19.7 Dark Up 17.3 256.2 Really Low 10:37:58 - 11:07:58 2878
Yuma 10:52:55 -19.5 Dark Up 16.7 256.9 Really Low 10:37:55 - 11:07:55 2828

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 04QQ26, (2020/07/14 10:57UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 34.59 148
60Bet Oph      17:43:28.3 +04:34:06  2.8  9.02 130
PPM 201570     18:16:53.1 -03:00:32  5.9  2.26 123
PPM 180249     18:07:06.1 -01:46:14  8.5  0.68 125
PPM 180254     18:08:32.8 -01:29:07  9.0  0.33 125
PPM 180261     18:10:32.7 -01:45:17 10.4  0.24 125
04QQ26         18:09:45.5 -01:37:19 15.9       125
Positions are for J2000

Event circumstances last updated at 2020/06/21 05:03:43 UT

Marc W. Buie, Southwest Research Institute

RECON