RECON: TNO occultation with 449097

Event between (449097) 12UT68 and star UC4-611-019064 with event index number of 88233

Geocentric closest approach at 2016/10/24 06:12:33 UTC

J2000 position of star is 05:13:37.0 +32:00:37
Equinox of date position of star is 05:14:42.3 +32:01:43
Stellar brightness R=15.7
Star is 60 degrees from the moon. Moon is 35% illuminated.
TNO apparent brightness V=20.8

[RECON map]
TNO is 13.0 AU from the Sun and 12.4 AU from the Earth.
The TNO is moving 12.1 km/sec on the sky relative to the star, or, 4.9 arcsec/hr.
The 1-sigma error in the time of the event is 97 seconds.
The 1-sigma cross-track error in the shadow position is 693 km.
The sky-plane scale is 8967.4 km/arcsec.

The TNO has an absolute magnitude Hv=9.5
Diameter=75.9 km assuming a 5% albedo -- 6.0 sec chord
Diameter=31.0 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 449097, (2016/10/24 06:13UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:36:53.2 +16:32:30  0.8 17.70  69
3Iot Aur       04:58:05.5 +33:11:28  2.7  3.69  63
14 Aur         05:16:30.2 +32:42:20  5.2  0.78  59
PPM 070082     05:15:44.6 +31:25:11  7.8  0.65  59
PPM 070070     05:15:19.7 +31:59:29  9.6  0.14  59
PPM 070047     05:14:21.5 +32:06:11 10.5  0.10  60
449097         05:14:42.5 +32:01:44 15.7        59
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 5.0 sigma about the mid-time.
The median site spacing is 23.9 km RECON observability=1.0 and success probability=30.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 06:19:20 -49.2 Dark Down 36.2 80.8 Up 06:10:47 - 06:27:54 2304
Tonasket 06:19:21 -49.4 Dark Down 36.2 80.7 Up 06:10:48 - 06:27:55 2280
Okanogan 06:19:23 -49.6 Dark Down 36.0 80.3 Up 06:10:49 - 06:27:56 2249
Brewster 06:19:25 -49.8 Dark Down 35.9 80.0 Up 06:10:51 - 06:27:58 2227
Manson/Chelan 06:19:26 -49.8 Dark Down 35.6 79.6 Up 06:10:53 - 06:28:00 2214
Entiat 06:19:27 -50.0 Dark Down 35.5 79.4 Up 06:10:53 - 06:28:00 2194
Wenatchee 06:19:28 -50.2 Dark Down 35.4 79.2 Up 06:10:55 - 06:28:02 2170
Ellensburg 06:19:31 -50.4 Dark Down 35.2 78.7 Up 06:10:57 - 06:28:04 2133
Yakima 06:19:32 -50.8 Dark Down 35.1 78.5 Up 06:10:58 - 06:28:05 2092
Toppenish/White Swan 06:19:32 -51.0 Dark Down 35.2 78.4 Up 06:10:59 - 06:28:06 2066
Pasco 06:19:28 -51.6 Dark Down 36.0 79.1 Up 06:10:55 - 06:28:02 2021
Goldendale 06:19:34 -51.3 Dark Down 34.8 77.8 Up 06:11:01 - 06:28:08 2020
The Dalles 06:19:37 -51.3 Dark Down 34.5 77.4 Up 06:11:03 - 06:28:10 2007
George/Umatilla 06:19:30 -51.8 Dark Down 35.8 78.7 Up 06:10:56 - 06:28:03 1992
PNWRO 06:19:29 -51.9 Dark Down 36.1 79.1 Up 06:10:55 - 06:28:02 1990
Maupin 06:19:38 -51.7 Dark Down 34.5 77.2 Up 06:11:04 - 06:28:11 1961
Madras/Culver 06:19:40 -52.1 Dark Down 34.3 76.8 Up 06:11:07 - 06:28:14 1906
Sisters 06:19:43 -52.2 Dark Down 33.9 76.3 Up 06:11:09 - 06:28:16 1884
Redmond 06:19:41 -52.4 Dark Down 34.2 76.6 Up 06:11:08 - 06:28:15 1870
Bend 06:19:41 -52.5 Dark Down 34.0 76.3 Up 06:11:08 - 06:28:15 1852
Oregon Observatory 06:19:44 -52.6 Dark Down 33.9 76.1 Up 06:11:10 - 06:28:17 1838
La Pine/Gilchrist 06:19:44 -52.7 Dark Down 33.8 76.0 Up 06:11:11 - 06:28:18 1819
North Lake 06:19:44 -53.3 Dark Down 34.1 76.0 Up 06:11:10 - 06:28:17 1757
Chiloquin 06:19:48 -53.4 Dark Down 33.3 75.1 Up 06:11:15 - 06:28:22 1714
Paisley 06:19:43 -53.9 Dark Down 34.3 75.9 Up 06:11:10 - 06:28:17 1690
Klamath Falls 06:19:49 -53.7 Dark Down 33.3 74.9 Up 06:11:16 - 06:28:23 1676
Tulelake 06:19:49 -54.1 Dark Down 33.4 74.9 Up 06:11:15 - 06:28:22 1640
Lakeview 06:19:44 -54.4 Dark Down 34.3 75.6 Up 06:11:11 - 06:28:18 1632
Cedarville 06:19:45 -55.0 Dark Down 34.3 75.3 Up 06:11:12 - 06:28:19 1559
Fall River/Burney 06:19:51 -54.8 Dark Down 33.3 74.4 Up 06:11:18 - 06:28:25 1543
Susanville 06:19:50 -55.7 Dark Down 33.6 74.3 Up 06:11:17 - 06:28:24 1457
Greenville 06:19:51 -55.7 Dark Down 33.3 74.0 Up 06:11:18 - 06:28:25 1436
Quincy 06:19:52 -55.9 Dark Down 33.3 73.9 Up 06:11:18 - 06:28:25 1415
Portola 06:19:51 -56.2 Dark Down 33.6 74.1 Up 06:11:18 - 06:28:25 1389
Reno 06:19:49 -56.8 Dark Down 34.0 74.2 Up 06:11:15 - 06:28:22 1342
Carson City 06:19:50 -57.0 Dark Down 33.9 74.0 Up 06:11:16 - 06:28:23 1304
Gardnerville 06:19:50 -57.3 Dark Down 33.9 73.8 Up 06:11:17 - 06:28:24 1277
Yerington 06:19:48 -57.5 Dark Down 34.3 74.2 Up 06:11:14 - 06:28:21 1266
Hawthorne 06:19:47 -58.1 Dark Down 34.6 74.1 Up 06:11:14 - 06:28:21 1203
Lee Vining 06:19:50 -58.3 Dark Down 34.1 73.5 Up 06:11:16 - 06:28:23 1157
Tonopah 06:19:43 -59.2 Dark Down 35.5 74.4 Up 06:11:09 - 06:28:16 1115
Niwot 06:18:46 -61.2 Dark Down 44.9 82.0 Up 06:10:12 - 06:27:19 1081
Bishop 06:19:48 -59.1 Dark Down 34.5 73.4 Up 06:11:15 - 06:28:22 1074
Lone Pine 06:19:48 -59.9 Dark Down 34.5 73.1 Up 06:11:15 - 06:28:22 984
Beatty 06:19:42 -60.3 Dark Down 35.6 73.9 Up 06:11:09 - 06:28:16 981
CPSLO 06:20:01 -59.5 Dark Down 32.1 71.2 Up 06:11:27 - 06:28:34 923
Indian Springs 06:19:39 -61.1 Dark Down 36.3 74.1 Up 06:11:05 - 06:28:12 918
Henderson 06:19:37 -61.8 Dark Down 36.7 74.0 Up 06:11:03 - 06:28:10 843
Searchlight/Boulder City 06:19:37 -62.3 Dark Down 36.6 73.6 Up 06:11:03 - 06:28:10 780
Patrick 06:19:33 -62.9 Dark Down 37.4 74.0 Up 06:10:59 - 06:28:06 748
Laughlin/Bullhead City 06:19:37 -62.7 Dark Down 36.8 73.6 Up 06:11:03 - 06:28:10 740
Wildwood 06:19:55 -61.5 Dark Down 33.3 71.3 Up 06:11:21 - 06:28:28 735
Kingman/Dolan Springs 06:19:34 -63.0 Dark Down 37.2 73.8 Up 06:11:00 - 06:28:07 729
Mohave Valley 06:19:37 -63.0 Dark Down 36.7 73.4 Up 06:11:03 - 06:28:10 711
DCO 06:19:30 -63.4 Dark Down 37.8 74.1 Up 06:10:56 - 06:28:03 698
Lake Havasu City 06:19:36 -63.4 Dark Down 36.8 73.2 Up 06:11:03 - 06:28:10 662
Idyllwild 06:19:48 -62.8 Dark Down 34.7 71.8 Up 06:11:14 - 06:28:21 644
Parker 06:19:36 -63.7 Dark Down 36.7 72.9 Up 06:11:03 - 06:28:10 623
Blythe 06:19:38 -64.0 Dark Down 36.3 72.5 Up 06:11:05 - 06:28:12 575
Calipatria 06:19:43 -63.9 Dark Down 35.4 71.8 Up 06:11:10 - 06:28:17 547
Yuma 06:19:40 -64.7 Dark Down 36.0 71.8 Up 06:11:06 - 06:28:13 478

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 449097, (2016/10/24 06:13UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 17.70  69
3Iot Aur       04:56:59.6 +33:09:58  2.7  3.69  63
14 Aur         05:15:24.3 +32:41:15  5.2  0.78  59
PPM 070082     05:14:39.4 +31:24:06  7.8  0.65  59
PPM 070070     05:14:14.2 +31:58:23  9.6  0.14  59
PPM 070047     05:13:16.0 +32:05:04 10.5  0.10  60
449097         05:13:37.0 +32:00:37 15.7        60
Positions are for J2000

Event circumstances last updated at 2016/10/07 18:01:19 UT

Marc W. Buie, Southwest Research Institute

RECON