RECON: TNO occultation with 03HM57

Event between 03HM57 and star GA0560:20327655 with event index number of 300439

Geocentric closest approach at 2020/07/11 05:48:20 UTC

J2000 position of star is 17:16:29.4 -33:44:44
Equinox of date position of star is 17:17:49.2 -33:45:59
Stellar brightness G=16.0, use SENSEUP=128
Star is 98 degrees from the moon. Moon is 66% illuminated.
TNO apparent brightness V=21.9

[RECON map]
TNO is 15.4 AU from the Sun and 14.5 AU from the Earth.
The TNO is moving 16.7 km/sec on the sky relative to the star, or, 5.7 arcsec/hr.
The 1-sigma error in the time of the event is 92 seconds.
The 1-sigma cross-track error in the shadow position is 660 km.
The sky-plane scale is 10491.7 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=120.2 km assuming a 5% albedo -- 3.6 sec chord
Diameter=49.1 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 03HM57, (2020/07/11 05:48UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:40.2 -26:28:33  0.9 12.52 110
34Ups Sco      17:32:09.7 -37:18:37  2.7  4.59  95
PPM 296090     17:16:40.2 -33:34:13  5.6  0.31  99
PPM 296102     17:16:59.4 -33:51:20  8.1  0.20  99
PPM 296120     17:17:51.4 -33:41:27  9.1  0.08  98
03HM57         17:17:50.6 -33:46:00 16.0        98
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 7.4 km RECON observability=0.2 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)
Clarence Fulton 05:49:36 -11.9 NT Down 6.0 178.8 Really Low 05:41:24 - 05:57:47 5993
Kelowna 05:49:36 -12.2 AT Down 6.4 178.7 Really Low 05:41:25 - 05:57:48 5986
Peachland 05:49:38 -12.2 AT Down 6.5 178.4 Really Low 05:41:27 - 05:57:50 5981
Penticton 05:49:37 -12.5 AT Down 6.7 178.6 Really Low 05:41:25 - 05:57:48 5980
Summerland 05:49:38 -12.4 AT Down 6.6 178.5 Really Low 05:41:27 - 05:57:50 5980
Anarchist Mountain Observatory 05:49:36 -13.0 AT Down 7.2 178.8 Really Low 05:41:25 - 05:57:48 5977
Oliver 05:49:37 -12.8 AT Down 7.1 178.6 Really Low 05:41:25 - 05:57:48 5976
Tonasket 05:49:36 -13.2 AT Down 7.5 178.7 Really Low 05:41:25 - 05:57:48 5971
Okanogan 05:49:37 -13.5 AT Down 7.9 178.6 Really Low 05:41:25 - 05:57:48 5963
Brewster 05:49:38 -13.6 AT Down 8.1 178.4 Really Low 05:41:26 - 05:57:49 5956
Manson/Chelan 05:49:39 -13.7 AT Down 8.3 178.1 Really Low 05:41:28 - 05:57:51 5947
Entiat 05:49:39 -13.8 AT Down 8.6 178.0 Really Low 05:41:28 - 05:57:51 5942
Wenatchee 05:49:40 -14.0 AT Down 8.8 178.0 Really Low 05:41:28 - 05:57:51 5936
Niwot 05:48:26 -25.3 Dark Down 15.3 190.7 Really Low 05:40:15 - 05:56:38 5936
Pasco 05:49:35 -15.4 AT Down 10.0 179.0 Really Low 05:41:24 - 05:57:47 5933
PNWRO 05:49:34 -15.7 AT Down 10.2 179.1 Really Low 05:41:22 - 05:57:45 5932
SwRI 05:48:26 -25.3 Dark Down 15.4 190.6 Really Low 05:40:15 - 05:56:38 5931
Ellensburg 05:49:41 -14.3 AT Down 9.2 177.8 Really Low 05:41:30 - 05:57:53 5925
Yakima 05:49:41 -14.6 AT Down 9.6 177.8 Really Low 05:41:29 - 05:57:52 5917
Toppenish/White Swan 05:49:40 -14.9 AT Down 9.8 177.9 Really Low 05:41:29 - 05:57:52 5916
Victoria 05:49:53 -12.0 NT Down 7.6 175.4 Really Low 05:41:41 - 05:58:04 5904
Goldendale 05:49:43 -15.2 AT Down 10.4 177.5 Really Low 05:41:31 - 05:57:54 5898
The Dalles 05:49:44 -15.2 AT Down 10.6 177.2 Really Low 05:41:32 - 05:57:55 5887
Maupin 05:49:44 -15.6 AT Down 11.0 177.3 Really Low 05:41:32 - 05:57:55 5880
Redmond 05:49:44 -16.3 AT Down 11.9 177.2 Really Low 05:41:32 - 05:57:55 5858
Sisters 05:49:45 -16.1 AT Down 11.9 176.9 Really Low 05:41:34 - 05:57:57 5852
Bend 05:49:44 -16.4 AT Down 12.1 177.1 Really Low 05:41:33 - 05:57:56 5851
Oregon Observatory 05:49:45 -16.5 AT Down 12.3 177.0 Really Low 05:41:34 - 05:57:57 5845
La Pine/Gilchrist 05:49:45 -16.7 AT Down 12.5 176.9 Really Low 05:41:34 - 05:57:57 5839
North Lake 05:49:43 -17.3 AT Down 13.0 177.4 Really Low 05:41:31 - 05:57:54 5838
Paisley 05:49:41 -17.9 AT Down 13.5 177.7 Really Low 05:41:29 - 05:57:52 5830
Lakeview 05:49:40 -18.4 Dark Down 14.0 177.9 Really Low 05:41:29 - 05:57:52 5820
Cedarville 05:49:39 -19.0 Dark Down 14.7 178.0 Really Low 05:41:27 - 05:57:50 5805
Klamath Falls 05:49:46 -17.8 AT Down 13.9 176.7 Really Low 05:41:34 - 05:57:57 5796
Fall River/Burney 05:49:45 -18.9 Dark Down 15.1 177.0 Really Low 05:41:33 - 05:57:56 5769
Susanville 05:49:41 -19.7 Dark Down 15.8 177.6 Really Low 05:41:30 - 05:57:53 5763
Reno 05:49:37 -20.8 Dark Down 16.7 178.3 Really Low 05:41:26 - 05:57:49 5751
Gimple 05:49:42 -19.9 Dark Down 16.1 177.4 Really Low 05:41:31 - 05:57:54 5751
Greenville 05:49:43 -19.8 Dark Down 16.1 177.4 Really Low 05:41:31 - 05:57:54 5749
Portola 05:49:40 -20.3 Dark Down 16.4 177.8 Really Low 05:41:29 - 05:57:52 5748
Tonopah 05:49:24 -23.1 Dark Down 18.2 180.5 Really Low 05:41:12 - 05:57:35 5745
Yerington 05:49:34 -21.5 Dark Down 17.3 178.9 Really Low 05:41:23 - 05:57:46 5744
Quincy 05:49:43 -20.0 Dark Down 16.3 177.4 Really Low 05:41:31 - 05:57:54 5743
Carson City 05:49:37 -21.1 Dark Down 17.0 178.3 Really Low 05:41:26 - 05:57:49 5740
Hawthorne 05:49:31 -22.1 Dark Down 17.7 179.3 Really Low 05:41:20 - 05:57:43 5738
Gardnerville 05:49:37 -21.3 Dark Down 17.3 178.4 Really Low 05:41:25 - 05:57:48 5732
Indian Springs 05:49:16 -25.0 Dark Down 19.7 181.9 Really Low 05:41:05 - 05:57:28 5715
Beatty 05:49:21 -24.3 Dark Down 19.3 180.9 Really Low 05:41:10 - 05:57:33 5711
Lee Vining 05:49:33 -22.4 Dark Down 18.3 178.9 Really Low 05:41:22 - 05:57:45 5711
Henderson 05:49:11 -25.7 Dark Down 20.2 182.5 Low 05:41:00 - 05:57:23 5705
Bishop 05:49:29 -23.2 Dark Down 18.9 179.5 Really Low 05:41:18 - 05:57:41 5701
Patrick 05:49:05 -26.7 Dark Down 20.7 183.5 Low 05:40:53 - 05:57:16 5697
DCO 05:49:01 -27.3 Dark Down 21.0 184.1 Low 05:40:50 - 05:57:13 5695
Kingman/Dolan Springs 05:49:06 -26.9 Dark Down 21.0 183.3 Low 05:40:55 - 05:57:18 5686
Searchlight/Boulder City 05:49:10 -26.3 Dark Down 20.7 182.5 Low 05:40:59 - 05:57:22 5685
Laughlin/Bullhead City 05:49:08 -26.7 Dark Down 21.0 182.8 Low 05:40:57 - 05:57:20 5677
Mohave Valley 05:49:09 -26.9 Dark Down 21.3 182.9 Low 05:40:57 - 05:57:20 5667
George/Scottsdale 05:48:54 -29.0 Dark Down 22.3 185.3 Low 05:40:43 - 05:57:06 5655
Lake Havasu City 05:49:06 -27.3 Dark Down 21.7 183.1 Low 05:40:55 - 05:57:18 5654
Parker 05:49:07 -27.7 Dark Down 22.0 183.1 Low 05:40:55 - 05:57:18 5641
Blythe 05:49:07 -28.0 Dark Down 22.6 182.9 Low 05:40:56 - 05:57:19 5615
Idyllwild 05:49:20 -27.0 Dark Down 22.5 181.0 Low 05:41:08 - 05:57:31 5589
CPSLO 05:49:41 -23.9 Dark Down 20.9 177.5 Low 05:41:29 - 05:57:52 5583
Calipatria 05:49:13 -28.0 Dark Down 23.1 182.0 Low 05:41:01 - 05:57:24 5580
Yuma 05:49:07 -28.8 Dark Down 23.5 182.8 Low 05:40:56 - 05:57:19 5575
Wildwood 05:49:29 -25.9 Dark Down 22.2 179.3 Low 05:41:18 - 05:57:41 5571

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 03HM57, (2020/07/11 05:48UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 12.52 110
34Ups Sco      17:30:45.8 -37:17:46  2.7  4.59  95
PPM 296090     17:15:19.2 -33:32:54  5.6  0.31  99
PPM 296102     17:15:38.3 -33:50:03  8.1  0.20  99
PPM 296120     17:16:30.3 -33:40:10  9.1  0.08  98
03HM57         17:16:29.4 -33:44:44 16.0        98
Positions are for J2000

Event circumstances last updated at 2020/03/08 20:39:57 UT

Marc W. Buie, Southwest Research Institute

RECON