RECON: TNO occultation with 15BF518

Event between 15BF518 and star GA0800:04133255 with event index number of 1540637

Geocentric closest approach at 2020/12/02 10:44:23 UTC

J2000 position of star is 11:41:51.3 -09:47:29
Equinox of date position of star is 11:42:53.9 -09:54:18
Stellar brightness G=16.5, use SENSEUP=128
Star is 86 degrees from the moon. Moon is 96% illuminated.
TNO apparent brightness V=22.7

[RECON map]
TNO is 17.4 AU from the Sun and 17.7 AU from the Earth.
The TNO is moving 18.2 km/sec on the sky relative to the star, or, 5.1 arcsec/hr.
The 1-sigma error in the time of the event is 182 seconds.
The 1-sigma cross-track error in the shadow position is 2886 km.
The sky-plane scale is 12852.2 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=64.0 km assuming a 5% albedo -- 3.3 sec chord
Diameter=26.1 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 15BF518, (2020/12/02 10:44UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:17.9 -11:16:12  1.0 25.43 110
4Gam Crv       12:16:53.1 -17:39:29  2.6 11.31  97
21The Crt      11:37:44.7 -09:55:05  4.7  1.27  85
PPM 194714     11:41:54.8 -10:02:01  7.4  0.28  86
PPM 194720     11:42:18.4 -09:46:48  9.5  0.20  86
15BF518        11:42:55.3 -09:54:27 16.5        87
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 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)
Clarence Fulton	10:38:53	-46.2	Dark	Up	8.8	117.0	Really Low	10:23:53 - 10:53:53	4645
Kelowna	10:38:52	-46.5	Dark	Up	8.8	116.8	Really Low	10:23:52 - 10:53:52	4603
Peachland	10:38:51	-46.7	Dark	Up	8.7	116.6	Really Low	10:23:51 - 10:53:51	4584
Summerland	10:38:51	-46.7	Dark	Up	8.8	116.6	Really Low	10:23:51 - 10:53:51	4572
Penticton	10:38:52	-46.6	Dark	Up	8.9	116.7	Really Low	10:23:52 - 10:53:52	4569
Oliver	10:38:51	-46.8	Dark	Up	9.1	116.7	Really Low	10:23:51 - 10:53:51	4535
Anarchist Mountain Observatory	10:38:51	-46.7	Dark	Up	9.3	116.8	Really Low	10:23:51 - 10:53:51	4524
Tonasket	10:38:51	-46.9	Dark	Up	9.4	116.7	Really Low	10:23:51 - 10:53:51	4491
Okanogan	10:38:50	-47.1	Dark	Up	9.4	116.5	Really Low	10:23:50 - 10:53:50	4454
Brewster	10:38:50	-47.4	Dark	Up	9.4	116.3	Really Low	10:23:50 - 10:53:50	4422
Manson/Chelan	10:38:49	-47.7	Dark	Up	9.3	116.0	Really Low	10:23:49 - 10:53:49	4391
Entiat	10:38:49	-47.8	Dark	Up	9.4	115.9	Really Low	10:23:49 - 10:53:49	4367
Victoria	10:38:46	-49.4	Dark	Up	7.1	113.5	Really Low	10:23:46 - 10:53:46	4365
Wenatchee	10:38:48	-48.0	Dark	Up	9.4	115.8	Really Low	10:23:48 - 10:53:48	4339
Ellensburg	10:38:47	-48.2	Dark	Up	9.4	115.5	Really Low	10:23:47 - 10:53:47	4292
Pasco	10:38:48	-47.6	Dark	Up	10.7	116.5	Really Low	10:23:48 - 10:53:48	4260
Yakima	10:38:47	-48.4	Dark	Up	9.6	115.5	Really Low	10:23:47 - 10:53:47	4251
PNWRO	10:38:48	-47.5	Dark	Up	10.9	116.7	Really Low	10:23:48 - 10:53:48	4243
Toppenish/White Swan	10:38:47	-48.4	Dark	Up	9.8	115.6	Really Low	10:23:47 - 10:53:47	4235
Niwot	10:39:08	-38.7	Dark	Up	22.6	126.2	Low	10:24:08 - 10:54:08	4174
Goldendale	10:38:46	-48.9	Dark	Up	9.8	115.1	Really Low	10:23:46 - 10:53:46	4167
SwRI	10:39:07	-38.8	Dark	Up	22.6	126.1	Low	10:24:07 - 10:54:07	4160
The Dalles	10:38:46	-49.2	Dark	Up	9.6	114.8	Really Low	10:23:46 - 10:53:46	4134
Maupin	10:38:45	-49.3	Dark	Up	9.9	114.8	Really Low	10:23:45 - 10:53:45	4096
Redmond	10:38:45	-49.6	Dark	Up	10.2	114.6	Really Low	10:23:45 - 10:53:45	4002
Sisters	10:38:45	-49.9	Dark	Up	9.9	114.3	Really Low	10:23:45 - 10:53:45	3993
Bend	10:38:44	-49.8	Dark	Up	10.2	114.5	Really Low	10:23:44 - 10:53:44	3976
Oregon Observatory	10:38:44	-50.0	Dark	Up	10.2	114.4	Really Low	10:23:44 - 10:53:44	3955
La Pine/Gilchrist	10:38:43	-50.1	Dark	Up	10.2	114.3	Really Low	10:23:43 - 10:53:43	3933
North Lake	10:38:44	-49.8	Dark	Up	10.8	114.7	Really Low	10:23:44 - 10:53:44	3907
Paisley	10:38:45	-49.7	Dark	Up	11.3	114.8	Really Low	10:23:45 - 10:53:45	3862
Lakeview	10:38:44	-49.7	Dark	Up	11.6	114.9	Really Low	10:23:44 - 10:53:44	3817
Klamath Falls	10:38:42	-50.7	Dark	Up	10.6	113.8	Really Low	10:23:42 - 10:53:42	3777
Cedarville	10:38:43	-49.8	Dark	Up	12.0	114.9	Really Low	10:23:43 - 10:53:43	3757
Fall River/Burney	10:38:42	-50.8	Dark	Up	11.4	113.9	Really Low	10:23:42 - 10:53:42	3669
Susanville	10:38:43	-50.4	Dark	Up	12.1	114.3	Really Low	10:23:43 - 10:53:43	3628
Gimple	10:38:43	-50.6	Dark	Up	12.1	114.1	Really Low	10:23:43 - 10:53:43	3593
Greenville	10:38:43	-50.7	Dark	Up	12.0	114.0	Really Low	10:23:43 - 10:53:43	3591
Portola	10:38:43	-50.4	Dark	Up	12.5	114.3	Really Low	10:23:43 - 10:53:43	3573
Quincy	10:38:42	-50.8	Dark	Up	12.1	114.0	Really Low	10:23:42 - 10:53:42	3570
Reno	10:38:43	-50.0	Dark	Up	13.1	114.7	Really Low	10:23:43 - 10:53:43	3567
Yerington	10:38:44	-49.6	Dark	Up	13.8	115.1	Really Low	10:23:44 - 10:53:44	3533
Carson City	10:38:43	-50.1	Dark	Up	13.3	114.7	Really Low	10:23:43 - 10:53:43	3532
Gardnerville	10:38:43	-50.1	Dark	Up	13.4	114.7	Really Low	10:23:43 - 10:53:43	3508
Tonopah	10:38:46	-48.3	Dark	Up	15.6	116.3	Really Low	10:23:46 - 10:53:46	3507
Hawthorne	10:38:45	-49.3	Dark	Up	14.4	115.4	Really Low	10:23:45 - 10:53:45	3504
Lee Vining	10:38:44	-49.8	Dark	Up	14.2	114.9	Really Low	10:23:44 - 10:53:44	3430
Indian Springs	10:38:49	-47.3	Dark	Up	17.3	117.0	Really Low	10:23:49 - 10:53:49	3414
Beatty	10:38:47	-48.1	Dark	Up	16.4	116.3	Really Low	10:23:47 - 10:53:47	3406
Bishop	10:38:45	-49.3	Dark	Up	15.0	115.2	Really Low	10:23:45 - 10:53:45	3395
Henderson	10:38:51	-46.8	Dark	Up	18.1	117.3	Really Low	10:23:51 - 10:53:51	3386
Patrick	10:38:53	-45.9	Dark	Up	19.2	117.9	Really Low	10:23:53 - 10:53:53	3367
DCO	10:38:54	-45.4	Dark	Up	19.8	118.3	Really Low	10:23:54 - 10:53:54	3365
Kingman/Dolan Springs	10:38:52	-46.1	Dark	Up	19.1	117.7	Really Low	10:23:52 - 10:53:52	3337
Searchlight/Boulder City	10:38:50	-46.8	Dark	Up	18.4	117.2	Really Low	10:23:50 - 10:53:50	3331
Laughlin/Bullhead City	10:38:51	-46.5	Dark	Up	18.8	117.3	Really Low	10:23:51 - 10:53:51	3315
Mohave Valley	10:38:51	-46.5	Dark	Up	18.9	117.3	Really Low	10:23:51 - 10:53:51	3288
George/Scottsdale	10:38:56	-44.3	Dark	Up	21.5	118.8	Low	10:23:56 - 10:53:56	3280
Lake Havasu City	10:38:52	-46.4	Dark	Up	19.3	117.3	Really Low	10:23:52 - 10:53:52	3258
Parker	10:38:51	-46.3	Dark	Up	19.5	117.2	Really Low	10:23:51 - 10:53:51	3224
Blythe	10:38:52	-46.6	Dark	Up	19.5	116.9	Really Low	10:23:52 - 10:53:52	3159
CPSLO	10:38:43	-51.5	Dark	Up	14.2	113.2	Really Low	10:23:43 - 10:53:43	3106
Idyllwild	10:38:48	-48.4	Dark	Up	17.8	115.4	Really Low	10:23:48 - 10:53:48	3089
Calipatria	10:38:49	-47.4	Dark	Up	19.0	116.1	Really Low	10:23:49 - 10:53:49	3073
Yuma	10:38:52	-46.7	Dark	Up	19.9	116.5	Really Low	10:23:52 - 10:53:52	3065
Wildwood	10:38:45	-49.9	Dark	Up	16.2	114.3	Really Low	10:23:45 - 10:53:45	3055

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 15BF518, (2020/12/02 10:44UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0 25.43 110
4Gam Crv       12:15:48.1 -17:32:31  2.6 11.31  97
21The Crt      11:36:40.8 -09:48:08  4.7  1.27  85
PPM 194714     11:40:50.9 -09:55:03  7.4  0.28  86
PPM 194720     11:41:14.4 -09:39:50  9.5  0.20  86
15BF518        11:41:51.3 -09:47:29 16.5        86
Positions are for J2000

Event circumstances last updated at 2020/06/22 20:29:01 UT

RECON