RECON: TNO occultation with 04TE282

Event between 04TE282 and star GA1260:01995883 with event index number of 222794

Geocentric closest approach at 2019/11/21 08:43:32 UTC

J2000 position of star is 05:23:40.7 +36:04:07
Equinox of date position of star is 05:24:56.6 +36:05:05
Stellar brightness G=14.3, use SENSEUP=64
Star is 85 degrees from the moon. Moon is 33% illuminated.
TNO apparent brightness V=23.1

[RECON map]
TNO is 30.1 AU from the Sun and 29.2 AU from the Earth.
The TNO is moving 22.6 km/sec on the sky relative to the star, or, 3.8 arcsec/hr.
The 1-sigma error in the time of the event is 293 seconds.
The 1-sigma cross-track error in the shadow position is 2741 km.
The sky-plane scale is 21169.4 km/arcsec.

The TNO has an absolute magnitude Hv=8.3
Diameter=130.0 km assuming a 5% albedo -- 5.8 sec chord
Diameter=53.1 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 04TE282, (2019/11/21 08:44UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:03.8 +16:32:52  0.8 22.25  99
3Iot Aur       04:58:17.5 +33:11:45  2.7  6.21  91
21Sig Aur      05:26:00.4 +37:24:07  6.4  1.33  84
PPM 070311     05:26:05.2 +36:12:59  7.7  0.25  85
04TE282        05:25:01.0 +36:05:09 14.3        85
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 3.1 sigma about the mid-time.
The median site spacing is 25.3 km RECON observability=1.0 and success probability=16.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 08:44:12 -57.6 Dark Up 74.7 150.8 Up 08:29:12 - 08:59:12 3146
Summerland 08:44:12 -57.8 Dark Up 74.6 149.7 Up 08:29:12 - 08:59:12 3140
Penticton 08:44:12 -58.0 Dark Up 74.9 149.7 Up 08:29:12 - 08:59:12 3106
Okanagan Falls 08:44:12 -58.2 Dark Up 75.1 149.3 Up 08:29:12 - 08:59:12 3086
Oliver 08:44:12 -58.3 Dark Up 75.2 149.0 Up 08:29:12 - 08:59:12 3068
Anarchist Mountain Observatory 08:44:11 -58.4 Dark Up 75.4 149.2 Up 08:29:11 - 08:59:11 3050
Oroville 08:44:11 -58.5 Dark Up 75.5 148.8 Up 08:29:11 - 08:59:11 3041
Tonasket 08:44:12 -58.7 Dark Up 75.7 148.4 Up 08:29:12 - 08:59:12 3016
Okanogan 08:44:12 -59.0 Dark Up 75.9 147.2 Up 08:29:12 - 08:59:12 2979
Brewster 08:44:13 -59.3 Dark Up 76.1 146.1 Up 08:29:13 - 08:59:13 2949
Manson/Chelan 08:44:14 -59.6 Dark Up 76.1 144.5 Up 08:29:14 - 08:59:14 2926
Entiat 08:44:14 -59.9 Dark Down 76.2 143.8 Up 08:29:14 - 08:59:14 2902
Wenatchee 08:44:14 -60.1 Dark Down 76.4 142.8 Up 08:29:14 - 08:59:14 2874
Ellensburg 08:44:15 -60.5 Dark Down 76.6 141.1 Up 08:29:15 - 08:59:15 2828
Yakima 08:44:15 -60.9 Dark Down 76.9 140.0 Up 08:29:15 - 08:59:15 2784
Toppenish/White Swan 08:44:15 -61.0 Dark Down 77.2 139.9 Up 08:29:15 - 08:59:15 2760
Pasco 08:44:10 -60.7 Dark Up 77.8 143.5 Up 08:29:10 - 08:59:10 2749
PNWRO 08:44:10 -60.9 Dark Up 78.1 143.6 Up 08:29:10 - 08:59:10 2723
George/Umatilla 08:44:11 -61.1 Dark Up 78.0 141.9 Up 08:29:11 - 08:59:11 2712
Goldendale 08:44:16 -61.7 Dark Down 77.4 137.0 Up 08:29:16 - 08:59:16 2699
The Dalles 08:44:18 -62.0 Dark Down 77.4 135.2 Up 08:29:18 - 08:59:18 2674
Maupin 08:44:17 -62.3 Dark Down 77.7 134.2 Up 08:29:17 - 08:59:17 2628
Madras/Culver 08:44:17 -62.8 Dark Down 78.1 132.2 Up 08:29:17 - 08:59:17 2568
Sisters 08:44:19 -63.3 Dark Down 78.1 129.7 Up 08:29:19 - 08:59:19 2531
Redmond 08:44:17 -63.1 Dark Down 78.3 130.8 Up 08:29:17 - 08:59:17 2528
Bend 08:44:18 -63.4 Dark Down 78.4 129.6 Up 08:29:18 - 08:59:18 2505
Oregon Observatory 08:44:18 -63.6 Dark Down 78.4 128.5 Up 08:29:18 - 08:59:18 2485
La Pine/Gilchrist 08:44:19 -63.8 Dark Down 78.5 127.6 Up 08:29:19 - 08:59:19 2463
North Lake 08:44:17 -63.9 Dark Down 79.1 127.6 Up 08:29:17 - 08:59:17 2415
Paisley 08:44:15 -64.3 Dark Down 79.6 126.3 Up 08:29:15 - 08:59:15 2355
Chiloquin 08:44:20 -64.9 Dark Down 78.9 122.0 Up 08:29:20 - 08:59:20 2340
Klamath Falls 08:44:20 -65.1 Dark Down 79.1 120.7 Up 08:29:20 - 08:59:20 2302
Lakeview 08:44:14 -64.6 Dark Down 80.0 124.6 Up 08:29:14 - 08:59:14 2299
Tulelake 08:44:18 -65.3 Dark Down 79.5 120.3 Up 08:29:18 - 08:59:18 2272
Cedarville 08:44:14 -65.1 Dark Down 80.5 121.9 Up 08:29:14 - 08:59:14 2227
Niwot 08:43:18 -57.9 Dark Up 84.5 224.7 Up 08:28:18 - 08:58:18 2194
Fall River/Burney 08:44:18 -66.0 Dark Down 80.0 116.1 Up 08:29:18 - 08:59:18 2172
Susanville 08:44:16 -66.2 Dark Down 80.7 114.6 Up 08:29:16 - 08:59:16 2103
Greenville 08:44:17 -66.6 Dark Down 80.6 112.3 Up 08:29:17 - 08:59:17 2072
Gimple 08:44:17 -66.6 Dark Down 80.7 112.5 Up 08:29:17 - 08:59:17 2072
Quincy 08:44:17 -66.8 Dark Down 80.7 111.2 Up 08:29:17 - 08:59:17 2049
Portola 08:44:15 -66.6 Dark Down 81.1 111.6 Up 08:29:15 - 08:59:15 2036
Reno 08:44:12 -66.6 Dark Down 81.6 111.6 Up 08:29:12 - 08:59:12 2008
Carson City 08:44:12 -66.8 Dark Down 81.8 109.3 Up 08:29:12 - 08:59:12 1968
Yerington 08:44:10 -66.7 Dark Down 82.3 109.6 Up 08:29:10 - 08:59:10 1948
Gardnerville 08:44:12 -67.0 Dark Down 81.9 107.8 Up 08:29:12 - 08:59:12 1941
Hawthorne 08:44:08 -66.8 Dark Down 82.8 107.5 Up 08:29:08 - 08:59:08 1898
Tonopah 08:44:03 -66.4 Dark Down 84.0 107.3 Up 08:29:03 - 08:59:03 1852
Lee Vining 08:44:10 -67.5 Dark Down 82.6 102.1 Up 08:29:10 - 08:59:10 1834
Bishop 08:44:07 -67.5 Dark Down 83.3 98.6 Up 08:29:07 - 08:59:07 1770
Beatty 08:44:00 -66.9 Dark Up 84.6 96.9 Up 08:29:00 - 08:59:00 1726
Indian Springs 08:43:56 -66.5 Dark Up 85.5 94.8 Up 08:28:56 - 08:58:56 1695
Lone Pine 08:44:06 -67.9 Dark Down 83.6 92.5 Up 08:29:06 - 08:59:06 1687
Henderson 08:43:53 -66.4 Dark Up 86.1 88.1 Up 08:28:53 - 08:58:53 1641
Patrick 08:43:48 -66.1 Dark Up 86.9 76.8 Up 08:28:48 - 08:58:48 1579
Searchlight/Boulder City 08:43:53 -66.7 Dark Up 86.1 79.8 Up 08:28:53 - 08:58:53 1578
Kingman/Dolan Springs 08:43:49 -66.3 Dark Up 86.7 73.5 Up 08:28:49 - 08:58:49 1553
DCO 08:43:45 -65.8 Dark Up 87.3 68.0 Up 08:28:45 - 08:58:45 1551
Laughlin/Bullhead City 08:43:51 -66.7 Dark Up 86.3 74.8 Up 08:28:51 - 08:58:51 1547
CPSLO 08:44:15 -70.3 Dark Down 81.5 81.8 Up 08:29:15 - 08:59:15 1536
Mohave Valley 08:43:51 -66.8 Dark Up 86.2 70.8 Up 08:28:51 - 08:58:51 1517
Lake Havasu City 08:43:50 -66.9 Dark Up 86.2 64.2 Up 08:28:50 - 08:58:50 1474
Parker 08:43:50 -67.1 Dark Up 86.1 59.4 Up 08:28:50 - 08:58:50 1436
Wildwood 08:44:07 -69.9 Dark Down 82.8 71.6 Up 08:29:07 - 08:59:07 1407
Blythe 08:43:51 -67.6 Dark Up 85.6 55.0 Up 08:28:51 - 08:58:51 1376
Idyllwild 08:43:59 -68.9 Dark Down 84.1 64.7 Up 08:28:59 - 08:58:59 1375
Calipatria 08:43:54 -68.5 Dark Up 84.7 55.0 Up 08:28:54 - 08:58:54 1315
Yuma 08:43:51 -68.1 Dark Up 85.0 46.6 Up 08:28:51 - 08:58:51 1273

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 04TE282, (2019/11/21 08:44UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 22.25  99
3Iot Aur       04:56:59.6 +33:09:58  2.7  6.21  91
21Sig Aur      05:24:39.2 +37:23:07  6.4  1.33  84
PPM 070311     05:24:44.8 +36:11:59  7.7  0.25  85
04TE282        05:23:40.7 +36:04:07 14.3        85
Positions are for J2000

Event circumstances last updated at 2018/10/25 20:33:51 UT

Marc W. Buie, Southwest Research Institute

RECON