RECON: TNO occultation with 03HM57

Event between 03HM57 and star GA0560:21549383 with event index number of 300393

Geocentric closest approach at 2020/05/07 09:23:19 UTC

J2000 position of star is 17:29:42.3 -33:45:50
Equinox of date position of star is 17:31:02.3 -33:46:42
Stellar brightness G=16.5, use SENSEUP=128
Star is 40 degrees from the moon. Moon is 100% illuminated.
TNO apparent brightness V=22.0

[RECON map]
TNO is 15.5 AU from the Sun and 14.7 AU from the Earth.
The TNO is moving 14.7 km/sec on the sky relative to the star, or, 5.0 arcsec/hr.
The 1-sigma error in the time of the event is 119 seconds.
The 1-sigma cross-track error in the shadow position is 800 km.
The sky-plane scale is 10632.5 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=120.2 km assuming a 5% albedo -- 4.1 sec chord
Diameter=49.1 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 03HM57, (2020/05/07 09:23UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:39.5 -26:28:32  0.9 14.94  25
34Ups Sco      17:32:09.0 -37:18:36  2.7  3.54  41
PPM 296449     17:33:07.9 -33:43:01  6.4  0.44  40
PPM 296421     17:31:53.9 -33:40:07  8.5  0.21  40
PPM 296398     17:30:46.3 -33:46:33  8.6  0.06  39
03HM57         17:31:02.9 -33:46:43 16.5        40
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 09:23:01 -19.9 Dark Up 4.9 167.3 Really Low 09:12:38 - 09:33:23 8956
Peachland 09:23:04 -20.5 Dark Up 5.3 166.9 Really Low 09:12:41 - 09:33:26 8953
Kelowna 09:23:03 -20.3 Dark Up 5.3 167.2 Really Low 09:12:40 - 09:33:25 8953
Summerland 09:23:05 -20.6 Dark Up 5.5 167.0 Really Low 09:12:43 - 09:33:28 8952
Victoria 09:23:23 -22.5 Dark Up 5.9 164.0 Really Low 09:13:01 - 09:33:46 8951
Penticton 09:23:03 -20.7 Dark Up 5.6 167.1 Really Low 09:12:40 - 09:33:25 8950
Oliver 09:23:04 -21.0 Dark Up 5.9 167.1 Really Low 09:12:41 - 09:33:26 8947
Anarchist Mountain Observatory 09:23:03 -21.1 Dark Up 6.1 167.2 Really Low 09:12:40 - 09:33:25 8945
Tonasket 09:23:04 -21.4 Dark Up 6.4 167.2 Really Low 09:12:41 - 09:33:26 8941
Okanogan 09:23:06 -21.7 Dark Up 6.7 167.0 Really Low 09:12:44 - 09:33:29 8938
Brewster 09:23:07 -22.0 Dark Up 6.9 166.9 Really Low 09:12:44 - 09:33:29 8936
Manson/Chelan 09:23:09 -22.3 Dark Up 7.1 166.6 Really Low 09:12:47 - 09:33:32 8935
Entiat 09:23:11 -22.6 Dark Up 7.3 166.5 Really Low 09:12:48 - 09:33:33 8932
Wenatchee 09:23:11 -22.8 Dark Up 7.5 166.4 Really Low 09:12:49 - 09:33:34 8929
Ellensburg 09:23:13 -23.2 Dark Up 7.9 166.2 Really Low 09:12:51 - 09:33:36 8924
Yakima 09:23:14 -23.6 Dark Up 8.3 166.2 Really Low 09:12:51 - 09:33:36 8918
Toppenish/White Swan 09:23:13 -23.8 Dark Up 8.5 166.3 Really Low 09:12:50 - 09:33:35 8914
Goldendale 09:23:16 -24.4 Dark Up 9.0 166.0 Really Low 09:12:54 - 09:33:39 8907
Pasco 09:23:07 -23.6 Dark Up 8.8 167.4 Really Low 09:12:45 - 09:33:30 8907
The Dalles 09:23:19 -24.7 Dark Up 9.1 165.7 Really Low 09:12:56 - 09:33:41 8904
PNWRO 09:23:06 -23.7 Dark Up 9.1 167.5 Really Low 09:12:44 - 09:33:29 8902
Maupin 09:23:19 -25.1 Dark Up 9.6 165.7 Really Low 09:12:57 - 09:33:42 8897
Sisters 09:23:22 -26.0 Dark Up 10.3 165.3 Really Low 09:13:00 - 09:33:45 8883
Redmond 09:23:21 -25.9 Dark Up 10.4 165.6 Really Low 09:12:58 - 09:33:43 8881
Bend 09:23:22 -26.2 Dark Up 10.6 165.5 Really Low 09:12:59 - 09:33:44 8878
Oregon Observatory 09:23:23 -26.4 Dark Up 10.8 165.4 Really Low 09:13:00 - 09:33:45 8875
La Pine/Gilchrist 09:23:24 -26.6 Dark Up 10.9 165.3 Really Low 09:13:01 - 09:33:46 8871
North Lake 09:23:22 -26.8 Dark Up 11.5 165.8 Really Low 09:13:00 - 09:33:45 8860
Paisley 09:23:19 -27.2 Dark Up 12.1 166.1 Really Low 09:12:57 - 09:33:42 8846
Klamath Falls 09:23:27 -28.0 Dark Up 12.3 165.0 Really Low 09:13:05 - 09:33:50 8840
Lakeview 09:23:19 -27.6 Dark Up 12.6 166.2 Really Low 09:12:57 - 09:33:42 8834
Cedarville 09:23:19 -28.2 Dark Up 13.3 166.3 Really Low 09:12:57 - 09:33:42 8817
Fall River/Burney 09:23:28 -29.0 Dark Up 13.5 165.3 Really Low 09:13:05 - 09:33:50 8810
Susanville 09:23:26 -29.3 Dark Up 14.3 165.9 Really Low 09:13:03 - 09:33:48 8791
Greenville 09:23:27 -29.7 Dark Up 14.5 165.6 Really Low 09:13:04 - 09:33:49 8784
Gimple 09:23:27 -29.7 Dark Up 14.5 165.7 Really Low 09:13:04 - 09:33:49 8784
Quincy 09:23:28 -29.9 Dark Up 14.7 165.6 Really Low 09:13:05 - 09:33:50 8779
Portola 09:23:26 -29.8 Dark Up 14.9 166.0 Really Low 09:13:03 - 09:33:48 8774
Reno 09:23:23 -29.9 Dark Up 15.3 166.5 Really Low 09:13:00 - 09:33:45 8763
Carson City 09:23:23 -30.2 Dark Up 15.6 166.5 Really Low 09:13:00 - 09:33:45 8753
Gardnerville 09:23:23 -30.4 Dark Up 15.9 166.5 Really Low 09:13:00 - 09:33:45 8745
Yerington 09:23:19 -30.2 Dark Up 15.9 167.0 Really Low 09:12:57 - 09:33:42 8744
Hawthorne 09:23:17 -30.4 Dark Up 16.5 167.4 Really Low 09:12:54 - 09:33:39 8727
Lee Vining 09:23:20 -31.1 Dark Up 16.9 167.0 Really Low 09:12:58 - 09:33:43 8713
Tonopah 09:23:10 -30.4 Dark Up 17.1 168.6 Really Low 09:12:47 - 09:33:32 8703
Bishop 09:23:18 -31.4 Dark Up 17.6 167.5 Really Low 09:12:55 - 09:33:40 8689
Beatty 09:23:10 -31.2 Dark Up 18.3 168.9 Really Low 09:12:47 - 09:33:32 8662
Indian Springs 09:23:04 -31.1 Dark Up 18.8 169.8 Really Low 09:12:42 - 09:33:27 8642
CPSLO 09:23:35 -34.0 Dark Up 19.2 165.5 Really Low 09:13:12 - 09:33:57 8629
Niwot 09:22:02 -23.7 Dark Up 16.1 178.8 Really Low 09:11:39 - 09:32:24 8622
SwRI 09:22:02 -23.8 Dark Up 16.2 178.7 Really Low 09:11:40 - 09:32:25 8620
Henderson 09:23:01 -31.3 Dark Up 19.4 170.3 Really Low 09:12:38 - 09:33:23 8616
Searchlight/Boulder City 09:23:02 -31.8 Dark Up 20.0 170.4 Low 09:12:39 - 09:33:24 8596
Patrick 09:22:55 -31.4 Dark Up 20.2 171.3 Low 09:12:32 - 09:33:17 8583
Laughlin/Bullhead City 09:23:00 -31.9 Dark Up 20.4 170.6 Low 09:12:38 - 09:33:23 8581
Kingman/Dolan Springs 09:22:57 -31.6 Dark Up 20.4 171.1 Low 09:12:34 - 09:33:19 8577
Wildwood 09:23:24 -34.4 Dark Up 20.8 167.1 Low 09:13:02 - 09:33:47 8573
Mohave Valley 09:22:59 -32.1 Dark Up 20.6 170.6 Low 09:12:37 - 09:33:22 8570
DCO 09:22:52 -31.3 Dark Up 20.6 171.9 Low 09:12:29 - 09:33:14 8565
Lake Havasu City 09:23:00 -32.3 Dark Up 21.1 170.8 Low 09:12:37 - 09:33:22 8553
Idyllwild 09:23:14 -34.0 Dark Up 21.5 168.7 Low 09:12:52 - 09:33:37 8546
Parker 09:23:00 -32.6 Dark Up 21.4 170.8 Low 09:12:37 - 09:33:22 8539
Blythe 09:23:01 -33.2 Dark Up 21.9 170.5 Low 09:12:38 - 09:33:23 8521
Calipatria 09:23:08 -34.0 Dark Up 22.2 169.7 Low 09:12:46 - 09:33:31 8510
George/Scottsdale 09:22:45 -31.9 Dark Up 22.1 172.9 Low 09:12:23 - 09:33:08 8495
Yuma 09:23:03 -34.0 Dark Up 22.8 170.4 Low 09:12:40 - 09:33:25 8484

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, (2020/05/07 09:23UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 14.94  25
34Ups Sco      17:30:45.8 -37:17:46  2.7  3.54  41
PPM 296449     17:31:47.3 -33:42:12  6.4  0.44  40
PPM 296421     17:30:33.4 -33:39:16  8.5  0.21  40
PPM 296398     17:29:25.7 -33:45:40  8.6  0.06  39
03HM57         17:29:42.3 -33:45:50 16.5        40
Positions are for J2000

Event circumstances last updated at 2020/03/08 20:32:36 UT

Marc W. Buie, Southwest Research Institute

RECON