RECON: TNO occultation with 14MF70

Event between 14MF70 and star GA0720:06095501 with event index number of 311527

Geocentric closest approach at 2020/04/05 09:01:07 UTC

J2000 position of star is 16:22:23.1 -17:15:32
Equinox of date position of star is 16:23:32.8 -17:18:18
Stellar brightness G=14.6, use SENSEUP=128
Star is 89 degrees from the moon. Moon is 89% illuminated.
TNO apparent brightness V=25.4

[RECON map]
TNO is 33.6 AU from the Sun and 33.0 AU from the Earth.
The TNO is moving 13.0 km/sec on the sky relative to the star, or, 2.0 arcsec/hr.
The 1-sigma error in the time of the event is 262 seconds.
The 1-sigma cross-track error in the shadow position is 2250 km.
The sky-plane scale is 23911.4 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=276.7 km assuming a 5% albedo -- 4.6 sec chord
Diameter=113.0 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14MF70, (2020/04/05 09:01UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:39.2 -26:28:31  0.9  9.32  93
8Bet1Sco       16:06:37.1 -19:51:34  2.6  4.76  86
7Chi Oph       16:28:12.1 -18:30:02  4.1  1.63  91
PPM 231620     16:24:03.5 -17:03:55  7.3  0.27  89
PPM 231619     16:24:01.8 -17:11:56  8.8  0.16  89
14MF70         16:23:33.1 -17:18:19 14.6        89
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 3.4 sigma about the mid-time.
The median site spacing is 11.5 km RECON observability=0.7 and success probability=10.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oliver 09:06:01 -32.7 Dark Up 16.8 145.6 Really Low 08:51:01 - 09:21:01 -797
Tonasket 09:06:02 -33.1 Dark Up 17.3 145.6 Really Low 08:51:02 - 09:21:02 -822
Clarence Fulton 09:05:26 -31.7 Dark Up 16.0 145.8 Really Low 08:50:26 - 09:20:26 -839
Okanogan 09:06:03 -33.5 Dark Up 17.5 145.4 Really Low 08:51:03 - 09:21:03 -847
Brewster 09:06:05 -33.8 Dark Up 17.7 145.2 Really Low 08:51:05 - 09:21:05 -870
Kelowna 09:05:26 -32.1 Dark Up 16.3 145.6 Really Low 08:50:26 - 09:20:26 -874
Manson/Chelan 09:06:07 -34.1 Dark Up 17.7 144.8 Really Low 08:51:07 - 09:21:07 -893
Peachland 09:05:26 -32.3 Dark Up 16.2 145.3 Really Low 08:50:26 - 09:20:26 -896
Penticton 09:05:26 -32.4 Dark Up 16.5 145.5 Really Low 08:50:26 - 09:20:26 -901
Summerland 09:05:26 -32.4 Dark Up 16.4 145.4 Really Low 08:50:26 - 09:20:26 -902
Entiat 09:06:07 -34.3 Dark Up 17.8 144.7 Really Low 08:51:07 - 09:21:07 -909
Anarchist Mountain Observatory 09:05:26 -32.9 Dark Up 17.0 145.6 Really Low 08:50:26 - 09:20:26 -926
Wenatchee 09:06:09 -34.5 Dark Up 18.0 144.6 Really Low 08:51:09 - 09:21:09 -927
Niwot 09:05:05 -35.8 Dark Up 29.6 157.5 Low 08:50:05 - 09:20:05 -945
Victoria 09:06:18 -34.1 Dark Up 15.9 142.0 Really Low 08:51:18 - 09:21:18 -947
SwRI 09:05:06 -35.9 Dark Up 29.6 157.4 Low 08:50:06 - 09:20:06 -955
Ellensburg 09:06:11 -35.0 Dark Up 18.3 144.3 Really Low 08:51:11 - 09:21:11 -960
Pasco 09:06:06 -35.4 Dark Up 19.4 145.4 Really Low 08:51:06 - 09:21:06 -966
PNWRO 09:06:06 -35.5 Dark Up 19.7 145.6 Really Low 08:51:06 - 09:21:06 -974
Yakima 09:06:12 -35.4 Dark Up 18.6 144.2 Really Low 08:51:12 - 09:21:12 -986
Toppenish/White Swan 09:06:11 -35.5 Dark Up 18.8 144.3 Really Low 08:51:11 - 09:21:11 -995
Goldendale 09:06:15 -36.2 Dark Up 19.1 143.8 Really Low 08:51:15 - 09:21:15 -1044
The Dalles 09:06:17 -36.4 Dark Up 19.2 143.5 Really Low 08:51:17 - 09:21:17 -1070
Maupin 09:06:17 -36.8 Dark Up 19.5 143.5 Really Low 08:51:17 - 09:21:17 -1094
Redmond 09:06:19 -37.7 Dark Up 20.2 143.2 Low 08:51:19 - 09:21:19 -1157
Sisters 09:06:22 -37.8 Dark Up 20.0 142.8 Low 08:51:22 - 09:21:22 -1168
Bend 09:06:21 -37.9 Dark Up 20.3 143.0 Low 08:51:21 - 09:21:21 -1176
Oregon Observatory 09:06:22 -38.1 Dark Up 20.4 142.9 Low 08:51:22 - 09:21:22 -1191
La Pine/Gilchrist 09:06:23 -38.3 Dark Up 20.6 142.8 Low 08:51:23 - 09:21:23 -1207
North Lake 09:06:21 -38.6 Dark Up 21.2 143.2 Low 08:51:21 - 09:21:21 -1218
Paisley 09:06:20 -39.0 Dark Up 21.8 143.4 Low 08:51:20 - 09:21:20 -1245
Lakeview 09:06:20 -39.5 Dark Up 22.3 143.5 Low 08:51:20 - 09:21:20 -1274
Cedarville 09:06:21 -40.0 Dark Up 22.9 143.5 Low 08:51:21 - 09:21:21 -1315
Klamath Falls 09:06:27 -39.8 Dark Up 21.6 142.2 Low 08:51:27 - 09:21:27 -1317
Fall River/Burney 09:06:27 -40.8 Dark Up 22.7 142.3 Low 08:51:27 - 09:21:27 -1389
Susanville 09:06:25 -41.2 Dark Up 23.5 142.8 Low 08:51:25 - 09:21:25 -1410
Gimple 09:06:26 -41.5 Dark Up 23.7 142.5 Low 08:51:26 - 09:21:26 -1437
Greenville 09:06:27 -41.5 Dark Up 23.6 142.4 Low 08:51:27 - 09:21:27 -1440
Reno 09:06:22 -41.8 Dark Up 24.6 143.3 Low 08:51:22 - 09:21:22 -1446
Portola 09:06:25 -41.7 Dark Up 24.1 142.8 Low 08:51:25 - 09:21:25 -1448
Quincy 09:06:27 -41.7 Dark Up 23.8 142.4 Low 08:51:27 - 09:21:27 -1454
Yerington 09:06:21 -42.1 Dark Up 25.4 143.7 Low 08:51:21 - 09:21:21 -1465
Tonopah 09:06:12 -42.3 Dark Up 27.0 145.3 Low 08:51:12 - 09:21:12 -1468
Carson City 09:06:23 -42.1 Dark Up 24.9 143.2 Low 08:51:23 - 09:21:23 -1471
Hawthorne 09:06:18 -42.4 Dark Up 26.0 144.1 Low 08:51:18 - 09:21:18 -1481
Gardnerville 09:06:24 -42.3 Dark Up 25.1 143.2 Low 08:51:24 - 09:21:24 -1488
Indian Springs 09:06:05 -43.1 Dark Up 28.9 146.3 Low 08:51:05 - 09:21:05 -1528
Lee Vining 09:06:22 -43.0 Dark Up 26.2 143.5 Low 08:51:22 - 09:21:22 -1539
Beatty 09:06:11 -43.2 Dark Up 28.1 145.3 Low 08:51:11 - 09:21:11 -1540
Bishop 09:06:19 -43.4 Dark Up 27.0 144.0 Low 08:51:19 - 09:21:19 -1560
DCO 09:05:26 -43.5 Dark Up 31.2 148.1 Up 08:50:26 - 09:20:26 -1597
Patrick 09:05:26 -43.5 Dark Up 30.6 147.5 Up 08:50:26 - 09:20:26 -1610
Henderson 09:05:26 -43.4 Dark Up 29.6 146.6 Low 08:50:26 - 09:20:26 -1621
Kingman/Dolan Springs 09:05:26 -43.8 Dark Up 30.7 147.2 Up 08:50:26 - 09:20:26 -1636
George/Scottsdale 09:05:26 -44.0 Dark Up 32.9 149.0 Up 08:50:26 - 09:20:26 -1640
Searchlight/Boulder City 09:05:26 -43.9 Dark Up 30.1 146.5 Up 08:50:26 - 09:20:26 -1661
Laughlin/Bullhead City 09:05:26 -44.0 Dark Up 30.5 146.7 Up 08:50:26 - 09:20:26 -1666
Mohave Valley 09:05:26 -44.2 Dark Up 30.7 146.6 Up 08:50:26 - 09:20:26 -1686
Lake Havasu City 09:05:26 -44.5 Dark Up 31.2 146.7 Up 08:50:26 - 09:20:26 -1704
Parker 09:05:26 -44.8 Dark Up 31.5 146.7 Up 08:50:26 - 09:20:26 -1730
Idyllwild 09:06:14 -46.0 Dark Up 30.8 144.4 Up 08:51:14 - 09:21:14 -1781
Blythe 09:05:26 -45.3 Dark Up 31.8 146.2 Up 08:50:26 - 09:20:26 -1786
Calipatria 09:06:08 -46.1 Dark Up 31.8 145.3 Up 08:51:08 - 09:21:08 -1788
CPSLO 09:06:33 -46.0 Dark Up 27.6 141.3 Low 08:51:33 - 09:21:33 -1796
Wildwood 09:06:24 -46.4 Dark Up 29.6 142.7 Low 08:51:24 - 09:21:24 -1819
Yuma 09:05:26 -46.1 Dark Up 32.5 145.8 Up 08:50:26 - 09:20:26 -1861

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 14MF70, (2020/04/05 09:01UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  9.32  93
8Bet1Sco       16:05:26.2 -19:48:20  2.6  4.76  86
7Chi Oph       16:27:01.4 -18:27:23  4.1  1.63  91
PPM 231620     16:22:53.6 -17:01:09  7.3  0.27  89
PPM 231619     16:22:51.9 -17:09:10  8.8  0.16  89
14MF70         16:22:23.1 -17:15:32 14.6        89
Positions are for J2000

Event circumstances last updated at 2020/03/12 20:18:47 UT

Marc W. Buie, Southwest Research Institute

RECON