RECON: TNO occultation with 13RB98

Event between 13RB98 and star GA0840:00249253 with event index number of 2703193

Geocentric closest approach at 2022/11/16 03:11:04 UTC

J2000 position of star is 03:08:44.1 -05:08:59
Equinox of date position of star is 03:09:49.3 -05:04:02
Stellar brightness G=15.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 97 degrees from the moon. Moon is 54% illuminated.
TNO apparent brightness V=22.5

[RECON map]
TNO is 40.0 AU from the Sun and 39.1 AU from the Earth.
The TNO is moving 25.0 km/sec on the sky relative to the star, or, 3.2 arcsec/hr.
The 1-sigma error in the time of the event is 586 seconds.
The 1-sigma cross-track error in the shadow position is 3458 km.
The sky-plane scale is 28339.0 km/arcsec.

The TNO has an absolute magnitude Hv=6.5
Diameter=300.6 km assuming a 5% albedo -- 12.0 sec chord
Diameter=122.7 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is 5:3EE+5:3II
 
 
 
 
 
 

Star training set for 13RB98, (2022/11/16 03:11UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:14.2 +16:33:12  0.8 30.56  70
Menkar         03:03:28.7 +04:10:41  2.5  9.38  96
PPM 185399     03:07:41.5 -06:00:05  4.9  1.08  98
PPM 185418     03:08:27.7 -05:17:54  7.8  0.42  98
PPM 185430     03:09:10.2 -05:12:15  9.5  0.22  98
13RB98         03:09:52.4 -05:03:48 15.2        97
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 1.5 sigma about the mid-time.
The median site spacing is 26.3 km RECON observability=0.2 and success probability=3.5%
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 03:12:43 -28.7 Dark Down 12.6 114.4 Really Low 02:57:43 - 03:27:43 -1608
Kelowna 03:12:44 -28.6 Dark Down 12.7 114.2 Really Low 02:57:44 - 03:27:44 -1627
Peachland 03:12:45 -28.5 Dark Down 12.6 114.0 Really Low 02:57:45 - 03:27:45 -1632
Summerland 03:12:45 -28.5 Dark Down 12.7 114.0 Really Low 02:57:45 - 03:27:45 -1640
Penticton 03:12:45 -28.6 Dark Down 12.8 114.1 Really Low 02:57:45 - 03:27:45 -1643
Oliver 03:12:47 -28.6 Dark Down 12.9 114.0 Really Low 02:57:47 - 03:27:47 -1661
Anarchist Mountain Observatory 03:12:47 -28.8 Dark Down 13.1 114.1 Really Low 02:57:47 - 03:27:47 -1669
Tonasket 03:12:48 -28.8 Dark Down 13.2 114.0 Really Low 02:57:48 - 03:27:48 -1686
Victoria 03:12:54 -26.2 Dark Down 10.9 110.8 Really Low 02:57:54 - 03:27:54 -1691
Okanogan 03:12:50 -28.7 Dark Down 13.3 113.8 Really Low 02:57:50 - 03:27:50 -1703
Brewster 03:12:51 -28.6 Dark Down 13.3 113.6 Really Low 02:57:51 - 03:27:51 -1717
Manson/Chelan 03:12:52 -28.3 Dark Down 13.1 113.3 Really Low 02:57:52 - 03:27:52 -1727
Wenatchee 03:12:54 -28.3 Dark Down 13.2 113.0 Really Low 02:57:54 - 03:27:54 -1752
Ellensburg 03:12:56 -28.1 Dark Down 13.2 112.8 Really Low 02:57:56 - 03:27:56 -1774
Yakima 03:12:57 -28.1 Dark Down 13.4 112.7 Really Low 02:57:57 - 03:27:57 -1796
Toppenish/White Swan 03:12:58 -28.3 Dark Down 13.6 112.8 Really Low 02:57:58 - 03:27:58 -1808
Pasco 03:12:56 -29.1 Dark Down 14.4 113.7 Really Low 02:57:56 - 03:27:56 -1817
PNWRO 03:12:57 -29.3 Dark Down 14.7 113.9 Really Low 02:57:57 - 03:27:57 -1831
Goldendale 03:13:00 -28.0 Dark Down 13.5 112.3 Really Low 02:58:00 - 03:28:00 -1838
The Dalles 03:13:01 -27.7 Dark Down 13.4 112.0 Really Low 02:58:01 - 03:28:01 -1851
Maupin 03:13:03 -27.8 Dark Down 13.6 112.0 Really Low 02:58:03 - 03:28:03 -1875
Sisters 03:13:06 -27.5 Dark Down 13.6 111.4 Really Low 02:58:06 - 03:28:06 -1925
Redmond 03:13:06 -27.8 Dark Down 13.9 111.7 Really Low 02:58:06 - 03:28:06 -1926
Bend 03:13:07 -27.7 Dark Down 13.9 111.6 Really Low 02:58:07 - 03:28:07 -1939
Oregon Observatory 03:13:08 -27.6 Dark Down 13.8 111.4 Really Low 02:58:08 - 03:28:08 -1949
La Pine/Gilchrist 03:13:08 -27.6 Dark Down 13.9 111.3 Really Low 02:58:08 - 03:28:08 -1961
North Lake 03:13:09 -28.0 Dark Down 14.4 111.7 Really Low 02:58:09 - 03:28:09 -1988
Paisley 03:13:10 -28.3 Dark Down 14.9 111.8 Really Low 02:58:10 - 03:28:10 -2022
Chiloquin 03:13:13 -27.3 Dark Down 14.0 110.8 Really Low 02:58:13 - 03:28:13 -2028
Klamath Falls 03:13:14 -27.4 Dark Down 14.2 110.8 Really Low 02:58:14 - 03:28:14 -2049
Lakeview 03:13:12 -28.4 Dark Down 15.2 111.9 Really Low 02:58:12 - 03:28:12 -2053
Cedarville 03:13:14 -28.5 Dark Down 15.6 111.8 Really Low 02:58:14 - 03:28:14 -2095
Fall River/Burney 03:13:17 -27.6 Dark Down 14.9 110.8 Really Low 02:58:17 - 03:28:17 -2124
Susanville 03:13:18 -28.2 Dark Down 15.7 111.2 Really Low 02:58:18 - 03:28:18 -2165
Greenville 03:13:19 -28.0 Dark Down 15.6 110.9 Really Low 02:58:19 - 03:28:19 -2183
Gimple 03:13:19 -28.0 Dark Down 15.6 111.0 Really Low 02:58:19 - 03:28:19 -2183
Quincy 03:13:20 -28.0 Dark Down 15.7 110.9 Really Low 02:58:20 - 03:28:20 -2196
Portola 03:13:20 -28.3 Dark Down 16.0 111.2 Really Low 02:58:20 - 03:28:20 -2205
Reno 03:13:20 -28.8 Dark Down 16.6 111.6 Really Low 02:58:20 - 03:28:20 -2224
Dunrhomin 03:12:50 -39.9 Dark Down 26.2 123.2 Low 02:57:50 - 03:27:50 -2241
Carson City 03:13:21 -28.8 Dark Down 16.8 111.5 Really Low 02:58:21 - 03:28:21 -2248
Yerington 03:13:20 -29.3 Dark Down 17.3 111.9 Really Low 02:58:20 - 03:28:20 -2262
Gardnerville 03:13:21 -28.9 Dark Down 16.9 111.5 Really Low 02:58:21 - 03:28:21 -2264
Hawthorne 03:13:21 -29.7 Dark Down 17.8 112.1 Really Low 02:58:21 - 03:28:21 -2295
Tonopah 03:13:20 -30.8 Dark Down 19.0 113.0 Really Low 02:58:20 - 03:28:20 -2330
Lee Vining 03:13:24 -29.3 Dark Down 17.7 111.6 Really Low 02:58:24 - 03:28:24 -2332
Bishop 03:13:24 -29.9 Dark Down 18.5 112.0 Really Low 02:58:24 - 03:28:24 -2375
Beatty 03:13:23 -31.2 Dark Down 19.8 113.0 Really Low 02:58:23 - 03:28:23 -2412
Indian Springs 03:13:22 -32.0 Dark Down 20.8 113.6 Low 02:58:22 - 03:28:22 -2439
Henderson 03:13:22 -32.6 Dark Down 21.5 113.9 Low 02:58:22 - 03:28:22 -2480
CPSLO 03:13:34 -28.0 Dark Down 17.5 109.8 Really Low 02:58:34 - 03:28:34 -2518
Patrick 03:13:22 -33.5 Dark Down 22.6 114.5 Low 02:58:22 - 03:28:22 -2529
Kingman/Dolan Springs 03:13:23 -33.3 Dark Down 22.5 114.3 Low 02:58:23 - 03:28:23 -2545
Laughlin/Bullhead City 03:13:24 -32.9 Dark Down 22.2 113.9 Low 02:58:24 - 03:28:24 -2545
Mohave Valley 03:13:25 -32.9 Dark Down 22.3 113.8 Low 02:58:25 - 03:28:25 -2565
Lake Havasu City 03:13:25 -33.1 Dark Down 22.6 113.8 Low 02:58:25 - 03:28:25 -2596
Wildwood 03:13:34 -29.6 Dark Down 19.5 110.8 Really Low 02:58:34 - 03:28:34 -2611
Parker 03:13:26 -33.2 Dark Down 22.8 113.7 Low 02:58:26 - 03:28:26 -2622
Idyllwild 03:13:32 -31.2 Dark Down 21.1 111.9 Low 02:58:32 - 03:28:32 -2642
Blythe 03:13:28 -32.9 Dark Down 22.8 113.3 Low 02:58:28 - 03:28:28 -2660
George/Scottsdale 03:13:23 -35.2 Dark Down 24.8 115.3 Low 02:58:23 - 03:28:23 -2664
Calipatria 03:13:31 -32.1 Dark Down 22.3 112.5 Low 02:58:31 - 03:28:31 -2694
Yuma 03:13:31 -32.8 Dark Down 23.1 113.0 Low 02:58:31 - 03:28:31 -2730

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 13RB98, (2022/11/16 03:11UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 30.56  70
Menkar         03:02:16.8 +04:05:21  2.5  9.38  96
PPM 185399     03:06:33.5 -06:05:19  4.9  1.08  98
PPM 185418     03:07:19.5 -05:23:07  7.8  0.42  98
PPM 185430     03:08:01.9 -05:17:26  9.5  0.22  98
13RB98         03:08:44.1 -05:08:59 15.2        97
Positions are for J2000

Event circumstances last updated at 2021/11/02 00:58:21 UT

Marc W. Buie, Southwest Research Institute

RECON