RECON: TNO occultation with 00PH30

Event between 00PH30 and star GA0740:29298083 with event index number of 1781428

Geocentric closest approach at 2020/10/24 04:09:45 UTC

J2000 position of star is 22:21:14.6 -14:07:02
Equinox of date position of star is 22:22:21.0 -14:00:46
Stellar brightness G=14.6, use SENSEUP=128
Star is 23 degrees from the moon. Moon is 56% illuminated.
TNO apparent brightness V=26.2

[RECON map]
TNO is 40.8 AU from the Sun and 40.3 AU from the Earth.
The TNO is moving 9.6 km/sec on the sky relative to the star, or, 1.2 arcsec/hr.
The 1-sigma error in the time of the event is 749 seconds.
The 1-sigma cross-track error in the shadow position is 2283 km.
The sky-plane scale is 29243.6 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=178.7 km assuming a 5% albedo -- 6.3 sec chord
Diameter=72.9 km assuming a 30% albedo -- 2.6 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 00PH30, (2020/10/24 04:10UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:47.8 -29:30:41  1.2 17.64  30
50 Aqr         22:25:33.8 -13:25:24  5.8  0.98  24
PPM 240155     22:22:40.4 -14:21:05  8.0  0.35  23
PPM 240142     22:21:56.0 -13:52:23  9.2  0.17  23
00PH30         22:22:21.5 -14:00:43 14.6        24
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 1.2 sigma about the mid-time.
The median site spacing is 13.7 km RECON observability=1.0 and success probability=13.4%
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 04:07:02 -32.0 Dark Up 25.6 180.2 Low 03:52:02 - 04:22:02 1869
Victoria 04:07:35 -30.1 Dark Up 27.3 175.9 Low 03:52:35 - 04:22:35 1864
Peachland 04:07:06 -31.9 Dark Up 26.1 179.7 Low 03:52:06 - 04:22:06 1854
Kelowna 04:07:06 -32.1 Dark Up 26.0 180.0 Low 03:52:06 - 04:22:06 1854
Summerland 04:07:07 -32.0 Dark Up 26.3 179.8 Low 03:52:07 - 04:22:07 1846
Penticton 04:07:06 -32.1 Dark Up 26.3 179.9 Low 03:52:06 - 04:22:06 1840
Oliver 04:07:07 -32.2 Dark Up 26.7 179.9 Low 03:52:07 - 04:22:07 1823
Anarchist Mountain Observatory 04:07:05 -32.4 Dark Up 26.9 180.1 Low 03:52:05 - 04:22:05 1812
Tonasket 04:07:06 -32.5 Dark Up 27.2 180.1 Low 03:52:06 - 04:22:06 1797
Okanogan 04:07:08 -32.5 Dark Up 27.5 179.9 Low 03:52:08 - 04:22:08 1784
Brewster 04:07:09 -32.5 Dark Up 27.8 179.7 Low 03:52:09 - 04:22:09 1774
Manson/Chelan 04:07:13 -32.3 Dark Up 28.0 179.3 Low 03:52:13 - 04:22:13 1771
Entiat 04:07:15 -32.4 Dark Up 28.2 179.2 Low 03:52:15 - 04:22:15 1761
Wenatchee 04:07:15 -32.4 Dark Up 28.5 179.1 Low 03:52:15 - 04:22:15 1750
Ellensburg 04:07:17 -32.4 Dark Up 28.9 178.9 Low 03:52:17 - 04:22:17 1734
Yakima 04:07:16 -32.5 Dark Up 29.3 178.9 Low 03:52:16 - 04:22:16 1713
Toppenish/White Swan 04:07:17 -32.7 Dark Up 29.5 179.0 Low 03:52:17 - 04:22:17 1698
Goldendale 04:07:21 -32.6 Dark Up 30.1 178.6 Up 03:52:21 - 04:22:21 1677
The Dalles 04:07:25 -32.4 Dark Up 30.3 178.2 Up 03:52:25 - 04:22:25 1673
Pasco 04:07:07 -33.5 Dark Up 29.6 180.4 Low 03:52:07 - 04:22:07 1666
PNWRO 04:07:06 -33.8 Dark Up 29.9 180.7 Low 03:52:06 - 04:22:06 1648
Maupin 04:07:23 -32.6 Dark Up 30.7 178.3 Up 03:52:23 - 04:22:23 1648
Sisters 04:07:29 -32.6 Dark Up 31.6 177.7 Up 03:52:29 - 04:22:29 1610
Redmond 04:07:27 -32.8 Dark Up 31.6 178.2 Up 03:52:27 - 04:22:27 1600
Bend 04:07:28 -32.8 Dark Up 31.8 178.0 Up 03:52:28 - 04:22:28 1592
Oregon Observatory 04:07:30 -32.8 Dark Up 32.0 177.9 Up 03:52:30 - 04:22:30 1585
La Pine/Gilchrist 04:07:30 -32.8 Dark Up 32.2 177.8 Up 03:52:30 - 04:22:30 1574
North Lake 04:07:27 -33.3 Dark Up 32.6 178.5 Up 03:52:27 - 04:22:27 1537
Paisley 04:07:23 -33.7 Dark Up 33.2 178.9 Up 03:52:23 - 04:22:23 1498
Klamath Falls 04:07:35 -33.0 Dark Up 33.6 177.5 Up 03:52:35 - 04:22:35 1496
Lakeview 04:07:24 -34.0 Dark Up 33.7 179.1 Up 03:52:24 - 04:22:24 1464
Cedarville 04:07:24 -34.3 Dark Up 34.4 179.3 Up 03:52:24 - 04:22:24 1421
Fall River/Burney 04:07:34 -33.6 Dark Up 34.8 177.9 Up 03:52:34 - 04:22:34 1417
Susanville 04:07:30 -34.3 Dark Up 35.5 178.7 Up 03:52:30 - 04:22:30 1363
Greenville 04:07:32 -34.1 Dark Up 35.7 178.4 Up 03:52:32 - 04:22:32 1352
Gimple 04:07:31 -34.2 Dark Up 35.7 178.5 Up 03:52:31 - 04:22:31 1350
Quincy 04:07:32 -34.2 Dark Up 35.9 178.4 Up 03:52:32 - 04:22:32 1339
Portola 04:07:29 -34.5 Dark Up 36.1 178.9 Up 03:52:29 - 04:22:29 1321
Reno 04:07:24 -35.1 Dark Up 36.3 179.7 Up 03:52:24 - 04:22:24 1290
Carson City 04:07:25 -35.2 Dark Up 36.7 179.7 Up 03:52:25 - 04:22:25 1267
Gardnerville 04:07:25 -35.3 Dark Up 36.9 179.8 Up 03:52:25 - 04:22:25 1250
Yerington 04:07:19 -35.7 Dark Up 36.9 180.5 Up 03:52:19 - 04:22:19 1240
Hawthorne 04:07:16 -36.2 Dark Up 37.3 181.1 Up 03:52:16 - 04:22:16 1197
Lee Vining 04:07:21 -36.0 Dark Up 37.9 180.5 Up 03:52:21 - 04:22:21 1172
Tonopah 04:07:04 -37.4 Dark Up 37.8 182.8 Up 03:52:04 - 04:22:04 1134
Bishop 04:07:16 -36.7 Dark Up 38.5 181.4 Up 03:52:16 - 04:22:16 1115
Beatty 04:07:02 -38.0 Dark Up 38.9 183.4 Up 03:52:02 - 04:22:02 1044
CPSLO 04:07:39 -35.4 Dark Up 40.6 178.7 Up 03:52:39 - 04:22:39 1027
Indian Springs 04:06:54 -38.9 Dark Up 39.2 184.7 Up 03:51:54 - 04:21:54 995
Niwot 04:05:24 -45.0 Dark Up 34.3 196.4 Up 03:50:24 - 04:20:24 969
SwRI 04:05:26 -45.0 Dark Up 34.4 196.3 Up 03:50:26 - 04:20:26 964
Henderson 04:06:48 -39.6 Dark Up 39.7 185.6 Up 03:51:48 - 04:21:48 940
Searchlight/Boulder City 04:06:48 -39.8 Dark Up 40.2 185.7 Up 03:51:48 - 04:21:48 899
Wildwood 04:07:24 -37.3 Dark Up 41.8 181.3 Up 03:52:24 - 04:22:24 892
Laughlin/Bullhead City 04:06:46 -40.1 Dark Up 40.5 186.2 Up 03:51:46 - 04:21:46 868
Patrick 04:06:40 -40.6 Dark Up 40.2 187.0 Up 03:51:40 - 04:21:40 868
Kingman/Dolan Springs 04:06:41 -40.5 Dark Up 40.4 186.8 Up 03:51:41 - 04:21:41 857
Mohave Valley 04:06:47 -40.2 Dark Up 40.8 186.2 Up 03:51:47 - 04:21:47 849
DCO 04:06:34 -41.2 Dark Up 40.4 187.9 Up 03:51:34 - 04:21:34 828
Idyllwild 04:07:07 -38.8 Dark Up 42.1 183.6 Up 03:52:07 - 04:22:07 820
Lake Havasu City 04:06:45 -40.5 Dark Up 41.1 186.6 Up 03:51:45 - 04:21:45 813
Parker 04:06:45 -40.6 Dark Up 41.5 186.6 Up 03:51:45 - 04:21:45 787
Blythe 04:06:48 -40.5 Dark Up 42.0 186.3 Up 03:51:48 - 04:21:48 756
Calipatria 04:06:58 -39.9 Dark Up 42.6 185.2 Up 03:51:58 - 04:21:58 744
George/Scottsdale 04:06:24 -42.6 Dark Up 41.6 189.7 Up 03:51:24 - 04:21:24 692
Yuma 04:06:50 -40.7 Dark Up 43.0 186.4 Up 03:51:50 - 04:21:50 689

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 00PH30, (2020/10/24 04:10UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 17.64  30
50 Aqr         22:24:27.1 -13:31:46  5.8  0.98  24
PPM 240155     22:21:33.4 -14:27:25  8.0  0.35  23
PPM 240142     22:20:49.1 -13:58:42  9.2  0.17  23
00PH30         22:21:14.6 -14:07:02 14.6        23
Positions are for J2000

Event circumstances last updated at 2020/09/01 21:17:31 UT

Marc W. Buie, Southwest Research Institute

RECON