RECON: TNO occultation with 341275

Event between (341275) 07RG283 and star GA1340:02963692 with event index number of 251664

Geocentric closest approach at 2020/03/10 02:38:21 UTC

J2000 position of star is 05:20:28.2 +44:39:11
Equinox of date position of star is 05:21:48.9 +44:40:13
Stellar brightness G=16.5, use SENSEUP=128
Star is 91 degrees from the moon. Moon is 100% illuminated.
TNO apparent brightness V=20.8

[RECON map]
TNO is 15.4 AU from the Sun and 15.4 AU from the Earth.
The TNO is moving 14.9 km/sec on the sky relative to the star, or, 4.8 arcsec/hr.
The 1-sigma error in the time of the event is 259 seconds.
The 1-sigma cross-track error in the shadow position is 5588 km.
The sky-plane scale is 11133.0 km/arcsec.

The TNO has an absolute magnitude Hv=8.6
Diameter=114.8 km assuming a 5% albedo -- 7.7 sec chord
Diameter=46.9 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 341275, (2020/03/10 02:38UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:04.9 +16:32:54  0.8 29.67 106
34Bet Aur      06:01:00.6 +44:56:50  1.9  6.93  84
20Rho Aur      05:23:14.3 +41:49:21  4.9  2.86  91
PPM 047996     05:21:30.5 +44:26:40  7.6  0.24  91
PPM 047998     05:21:36.2 +44:39:41  8.9  0.06  91
341275         05:21:56.6 +44:40:19 16.5        91
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 3.5 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)
Niwot 02:36:34 -18.9 Dark Up 73.1 292.9 Up 02:21:34 - 02:51:34 -1354
Penticton 02:35:04 -7.3 CT Up 83.0 228.4 Up 02:20:04 - 02:50:04 -2123
Oroville 02:35:09 -7.4 CT Up 83.3 232.8 Up 02:20:09 - 02:50:09 -2139
Tonasket 02:35:11 -7.5 CT Up 83.5 234.5 Up 02:20:11 - 02:50:11 -2149
DCO 02:36:58 -13.3 AT Up 75.5 315.6 Up 02:21:58 - 02:51:58 -2170
Okanogan 02:35:12 -7.4 CT Up 83.7 236.4 Up 02:20:12 - 02:50:12 -2173
Brewster 02:35:15 -7.3 CT Up 84.0 237.7 Up 02:20:15 - 02:50:15 -2198
PNWRO 02:35:30 -8.0 CT Up 84.1 259.6 Up 02:20:30 - 02:50:30 -2220
Patrick 02:36:56 -12.7 AT Up 76.2 316.0 Up 02:21:56 - 02:51:56 -2220
Pasco 02:35:28 -7.8 CT Up 84.3 256.7 Up 02:20:28 - 02:50:28 -2226
Manson/Chelan 02:35:15 -7.0 CT Up 84.3 237.9 Up 02:20:15 - 02:50:15 -2232
Kingman/Dolan Springs 02:36:56 -12.6 AT Up 76.1 317.0 Up 02:21:56 - 02:51:56 -2244
Entiat 02:35:16 -7.0 CT Up 84.5 239.5 Up 02:20:16 - 02:50:16 -2246
George/Umatilla 02:35:31 -7.7 CT Up 84.5 259.5 Up 02:20:31 - 02:50:31 -2255
Wenatchee 02:35:19 -6.9 CT Up 84.6 241.5 Up 02:20:19 - 02:50:19 -2263
Laughlin/Bullhead City 02:36:56 -12.2 AT Up 76.4 318.0 Up 02:21:56 - 02:51:56 -2290
Lake Havasu City 02:37:01 -12.4 AT Up 75.7 319.3 Up 02:22:01 - 02:52:01 -2292
Henderson 02:36:49 -11.8 CT Up 77.3 316.4 Up 02:21:49 - 02:51:49 -2293
Ellensburg 02:35:20 -6.8 CT Up 85.0 244.6 Up 02:20:20 - 02:50:20 -2296
Mohave Valley 02:36:58 -12.2 AT Up 76.2 318.7 Up 02:21:58 - 02:51:58 -2299
Parker 02:37:04 -12.5 AT Up 75.4 320.1 Up 02:22:04 - 02:52:04 -2302
Searchlight/Boulder City 02:36:53 -11.9 CT Up 76.8 317.9 Up 02:21:53 - 02:51:53 -2309
Toppenish/White Swan 02:35:25 -6.9 CT Up 85.1 251.9 Up 02:20:25 - 02:50:25 -2312
Yakima 02:35:24 -6.8 CT Up 85.1 248.9 Up 02:20:24 - 02:50:24 -2314
Indian Springs 02:36:43 -11.1 CT Up 78.1 316.2 Up 02:21:43 - 02:51:43 -2332
Blythe 02:37:07 -12.3 AT Up 75.2 321.9 Up 02:22:07 - 02:52:07 -2347
Goldendale 02:35:28 -6.7 CT Up 85.5 257.2 Up 02:20:28 - 02:50:28 -2365
Yuma 02:37:13 -12.3 AT Up 74.5 324.0 Up 02:22:13 - 02:52:13 -2384
The Dalles 02:35:29 -6.4 CT Up 85.8 259.1 Up 02:20:29 - 02:50:29 -2401
Tonopah 02:36:31 -9.8 CT Up 80.0 314.4 Up 02:21:31 - 02:51:31 -2403
Beatty 02:36:40 -10.3 CT Up 78.9 317.5 Up 02:21:40 - 02:51:40 -2410
Maupin 02:35:33 -6.5 CT Up 85.8 265.0 Up 02:20:33 - 02:50:33 -2412
Madras/Culver 02:35:37 -6.5 CT Up 85.8 272.4 Up 02:20:37 - 02:50:37 -2438
Calipatria 02:37:09 -11.5 CT Up 75.3 324.9 Up 02:22:09 - 02:52:09 -2447
Redmond 02:35:38 -6.5 CT Up 85.8 277.2 Up 02:20:38 - 02:50:38 -2457
Bend 02:35:39 -6.4 CT Up 85.9 280.3 Up 02:20:39 - 02:50:39 -2477
Paisley 02:35:50 -7.0 CT Up 84.9 294.7 Up 02:20:50 - 02:50:50 -2478
North Lake 02:35:47 -6.7 CT Up 85.3 289.7 Up 02:20:47 - 02:50:47 -2481
Lakeview 02:35:55 -7.2 CT Up 84.5 299.0 Up 02:20:55 - 02:50:55 -2485
Sisters 02:35:37 -6.2 CT Up 86.1 277.2 Up 02:20:37 - 02:50:37 -2486
Oregon Observatory 02:35:40 -6.3 CT Up 85.9 282.8 Up 02:20:40 - 02:50:40 -2494
Cedarville 02:36:00 -7.3 CT Up 84.0 304.0 Up 02:21:00 - 02:51:00 -2499
Hawthorne 02:36:24 -8.7 CT Up 81.1 316.4 Up 02:21:24 - 02:51:24 -2500
La Pine/Gilchrist 02:35:41 -6.3 CT Up 85.9 285.7 Up 02:20:41 - 02:50:41 -2508
Yerington 02:36:20 -8.2 CT Up 81.8 316.0 Up 02:21:20 - 02:51:20 -2524
Idyllwild 02:37:01 -10.5 CT Up 76.3 326.1 Up 02:22:01 - 02:52:01 -2528
Bishop 02:36:32 -8.9 CT Up 80.1 320.3 Up 02:21:32 - 02:51:32 -2528
Lone Pine 02:36:39 -9.2 CT Up 79.3 321.9 Up 02:21:39 - 02:51:39 -2530
Reno 02:36:15 -7.7 CT Up 82.5 315.5 Up 02:21:15 - 02:51:15 -2554
Lee Vining 02:36:27 -8.3 CT Up 81.0 320.3 Up 02:21:27 - 02:51:27 -2563
Carson City 02:36:17 -7.7 CT Up 82.3 317.2 Up 02:21:17 - 02:51:17 -2567
Gardnerville 02:36:19 -7.8 CT Up 82.0 318.2 Up 02:21:19 - 02:51:19 -2574
Tulelake 02:35:53 -6.3 CT Up 85.1 305.3 Up 02:20:53 - 02:50:53 -2581
Chiloquin 02:35:48 -6.0 CT Up 85.7 300.7 Up 02:20:48 - 02:50:48 -2583
Susanville 02:36:06 -7.0 CT Up 83.6 313.7 Up 02:21:06 - 02:51:06 -2583
Klamath Falls 02:35:52 -6.1 CT Up 85.4 304.0 Up 02:20:52 - 02:50:52 -2592
Portola 02:36:11 -7.2 CT Up 83.1 316.5 Up 02:21:11 - 02:51:11 -2595
Gimple 02:36:07 -6.8 CT Up 83.5 316.3 Up 02:21:07 - 02:51:07 -2612
Fall River/Burney 02:36:01 -6.4 CT Up 84.5 312.6 Up 02:21:01 - 02:51:01 -2614
Greenville 02:36:08 -6.8 CT Up 83.6 316.6 Up 02:21:08 - 02:51:08 -2619
Quincy 02:36:10 -6.8 CT Up 83.4 317.8 Up 02:21:10 - 02:51:10 -2627
Wildwood 02:36:56 -8.9 CT Up 77.5 330.1 Up 02:21:56 - 02:51:56 -2677
CPSLO 02:36:42 -7.1 CT Up 79.4 333.5 Up 02:21:42 - 02:51:42 -2802

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 341275, (2020/03/10 02:38UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 29.67 106
34Bet Aur      05:59:31.6 +44:56:51  1.9  6.93  84
20Rho Aur      05:21:48.4 +41:48:15  4.9  2.86  91
PPM 047996     05:20:02.3 +44:25:31  7.6  0.24  91
PPM 047998     05:20:07.8 +44:38:32  8.9  0.06  91
341275         05:20:28.2 +44:39:11 16.5        91
Positions are for J2000

Event circumstances last updated at 2018/06/12 19:55:44 UT

Marc W. Buie, Southwest Research Institute

RECON