RECON: TNO occultation with 14YY49

Event between 14YY49 and star GA0900:02284958 with event index number of 321674

Geocentric closest approach at 2019/01/06 05:34:32 UTC

J2000 position of star is 07:03:33.1 +01:13:35
Equinox of date position of star is 07:04:31.8 +01:11:50
Stellar brightness G=16.6, use SENSEUP=128
Star is 160 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=22.8

[RECON map]
TNO is 18.6 AU from the Sun and 17.7 AU from the Earth.
The TNO is moving 23.2 km/sec on the sky relative to the star, or, 6.5 arcsec/hr.
The 1-sigma error in the time of the event is 65 seconds.
The 1-sigma cross-track error in the shadow position is 694 km.
The sky-plane scale is 12839.7 km/arcsec.

The TNO has an absolute magnitude Hv=10.1
Diameter=58.1 km assuming a 5% albedo -- 2.5 sec chord
Diameter=23.7 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14YY49, (2019/01/06 05:35UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:12.1 +07:24:33  0.4 18.12 156
Alhena         06:38:48.6 +16:22:53  1.9 16.45 170
21 Mon         07:12:21.9 -00:20:06  5.5  2.49 158
PPM 151860     07:05:19.3 +01:27:32  6.7  0.33 160
PPM 151812     07:04:02.6 +01:21:53  9.4  0.21 160
14YY49         07:04:32.1 +01:11:49 16.6       160
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 20.2 km RECON observability=1.0 and success probability=34.2%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Kelowna	05:36:40	-50.4	Dark	Down	32.7	136.3	Up	05:30:47 - 05:42:33	1803
Summerland	05:36:41	-50.2	Dark	Down	32.6	135.9	Up	05:30:48 - 05:42:34	1797
Penticton	05:36:41	-50.5	Dark	Down	32.9	135.9	Up	05:30:48 - 05:42:34	1773
Okanagan Falls	05:36:42	-50.6	Dark	Down	33.0	135.8	Up	05:30:49 - 05:42:35	1758
Oliver	05:36:42	-50.7	Dark	Down	33.1	135.8	Up	05:30:49 - 05:42:35	1745
Anarchist Mountain Observatory	05:36:42	-50.9	Dark	Down	33.3	135.9	Up	05:30:49 - 05:42:35	1732
Oroville	05:36:42	-50.9	Dark	Down	33.4	135.8	Up	05:30:49 - 05:42:35	1726
Tonasket	05:36:42	-51.0	Dark	Down	33.5	135.7	Up	05:30:49 - 05:42:35	1707
Okanogan	05:36:43	-51.1	Dark	Down	33.7	135.4	Up	05:30:50 - 05:42:36	1679
Brewster	05:36:44	-51.1	Dark	Down	33.8	135.0	Up	05:30:51 - 05:42:37	1656
Manson/Chelan	05:36:45	-50.9	Dark	Down	33.8	134.5	Up	05:30:52 - 05:42:38	1637
Entiat	05:36:46	-51.0	Dark	Down	33.9	134.4	Up	05:30:53 - 05:42:39	1618
Wenatchee	05:36:47	-51.1	Dark	Down	34.0	134.1	Up	05:30:54 - 05:42:40	1597
Ellensburg	05:36:48	-51.1	Dark	Down	34.2	133.7	Up	05:30:55 - 05:42:41	1561
Yakima	05:36:49	-51.3	Dark	Down	34.5	133.5	Up	05:30:56 - 05:42:42	1528
Toppenish/White Swan	05:36:49	-51.5	Dark	Down	34.7	133.6	Up	05:30:56 - 05:42:42	1511
Pasco	05:36:45	-52.3	Dark	Down	35.4	134.8	Up	05:30:52 - 05:42:38	1509
PNWRO	05:36:45	-52.6	Dark	Down	35.7	135.0	Up	05:30:52 - 05:42:38	1490
George/Umatilla	05:36:47	-52.3	Dark	Down	35.6	134.4	Up	05:30:54 - 05:42:40	1480
Goldendale	05:36:51	-51.4	Dark	Down	34.9	132.9	Up	05:30:58 - 05:42:44	1462
The Dalles	05:36:52	-51.3	Dark	Down	34.9	132.4	Up	05:30:59 - 05:42:45	1440
Maupin	05:36:52	-51.5	Dark	Down	35.2	132.3	Up	05:30:59 - 05:42:45	1405
Madras/Culver	05:36:53	-51.7	Dark	Down	35.5	131.9	Up	05:31:00 - 05:42:46	1359
Redmond	05:36:54	-51.8	Dark	Down	35.8	131.7	Up	05:31:01 - 05:42:47	1328
Sisters	05:36:55	-51.6	Dark	Down	35.5	131.3	Up	05:31:02 - 05:42:48	1327
Bend	05:36:55	-51.8	Dark	Down	35.8	131.4	Up	05:31:02 - 05:42:48	1308
Oregon Observatory	05:36:55	-51.8	Dark	Down	35.9	131.2	Up	05:31:02 - 05:42:48	1292
La Pine/Gilchrist	05:36:56	-51.8	Dark	Down	36.0	131.0	Up	05:31:03 - 05:42:49	1274
North Lake	05:36:55	-52.4	Dark	Down	36.6	131.4	Up	05:31:02 - 05:42:48	1240
Paisley	05:36:55	-52.8	Dark	Down	37.1	131.5	Up	05:31:02 - 05:42:48	1195
Chiloquin	05:36:58	-52.0	Dark	Down	36.5	130.0	Up	05:31:05 - 05:42:51	1174
Lakeview	05:36:55	-53.1	Dark	Down	37.6	131.4	Up	05:31:02 - 05:42:48	1151
Klamath Falls	05:36:59	-52.1	Dark	Down	36.8	129.9	Up	05:31:06 - 05:42:52	1145
Tulelake	05:36:58	-52.4	Dark	Down	37.1	130.1	Up	05:31:05 - 05:42:51	1123
Cedarville	05:36:55	-53.5	Dark	Down	38.1	131.2	Up	05:31:02 - 05:42:48	1094
Niwot	05:36:10	-64.1	Dark	Down	46.5	147.9	Up	05:30:17 - 05:42:03	1090
Fall River/Burney	05:37:00	-52.8	Dark	Down	37.7	129.6	Up	05:31:07 - 05:42:53	1042
Susanville	05:36:58	-53.5	Dark	Down	38.6	130.0	Up	05:31:05 - 05:42:51	991
Gimple	05:36:59	-53.4	Dark	Down	38.6	129.6	Up	05:31:06 - 05:42:52	964
Greenville	05:36:59	-53.4	Dark	Down	38.6	129.6	Up	05:31:06 - 05:42:52	964
Quincy	05:37:00	-53.4	Dark	Down	38.7	129.4	Up	05:31:07 - 05:42:53	945
Portola	05:36:58	-53.8	Dark	Down	39.1	129.9	Up	05:31:05 - 05:42:51	937
Reno	05:36:57	-54.4	Dark	Down	39.6	130.4	Up	05:31:04 - 05:42:50	918
Carson City	05:36:57	-54.5	Dark	Down	39.9	130.2	Up	05:31:04 - 05:42:50	885
Yerington	05:36:56	-55.0	Dark	Down	40.4	130.7	Up	05:31:03 - 05:42:49	872
Gardnerville	05:36:58	-54.6	Dark	Down	40.1	130.0	Up	05:31:05 - 05:42:51	863
Hawthorne	05:36:55	-55.6	Dark	Down	41.0	131.0	Up	05:31:02 - 05:42:48	833
Tonopah	05:36:51	-56.7	Dark	Down	42.1	132.2	Up	05:30:58 - 05:42:44	801
Lee Vining	05:36:57	-55.4	Dark	Down	41.1	130.1	Up	05:31:04 - 05:42:50	777
Bishop	05:36:55	-56.1	Dark	Down	41.9	130.4	Up	05:31:02 - 05:42:48	727
Beatty	05:36:51	-57.4	Dark	Down	43.2	131.9	Up	05:30:58 - 05:42:44	697
Indian Springs	05:36:48	-58.4	Dark	Down	44.0	132.8	Up	05:30:55 - 05:42:41	675
Lone Pine	05:36:55	-56.5	Dark	Down	42.6	130.3	Up	05:31:02 - 05:42:48	659
Henderson	05:36:46	-59.0	Dark	Down	44.8	133.2	Up	05:30:53 - 05:42:39	631
Patrick	05:36:43	-60.1	Dark	Down	45.9	134.0	Up	05:30:50 - 05:42:36	581
Searchlight/Boulder City	05:36:46	-59.3	Dark	Down	45.2	132.9	Up	05:30:53 - 05:42:39	577
Kingman/Dolan Springs	05:36:44	-60.0	Dark	Down	45.9	133.6	Up	05:30:51 - 05:42:37	558
DCO	05:36:41	-60.7	Dark	Down	46.5	134.6	Up	05:30:48 - 05:42:34	558
Laughlin/Bullhead City	05:36:46	-59.6	Dark	Down	45.6	133.0	Up	05:30:53 - 05:42:39	552
Mohave Valley	05:36:46	-59.7	Dark	Down	45.8	132.8	Up	05:30:53 - 05:42:39	526
CPSLO	05:37:05	-54.8	Dark	Down	41.8	126.7	Up	05:31:12 - 05:42:58	515
Lake Havasu City	05:36:45	-60.0	Dark	Down	46.2	132.8	Up	05:30:52 - 05:42:38	490
Parker	05:36:46	-60.1	Dark	Down	46.5	132.6	Up	05:30:53 - 05:42:39	456
Wildwood	05:37:00	-56.7	Dark	Down	43.8	127.9	Up	05:31:07 - 05:42:53	415
Blythe	05:36:47	-60.0	Dark	Down	46.7	131.8	Up	05:30:54 - 05:42:40	403
Idyllwild	05:36:54	-58.3	Dark	Down	45.3	129.6	Up	05:31:01 - 05:42:47	396
Calipatria	05:36:51	-59.3	Dark	Down	46.4	130.4	Up	05:30:58 - 05:42:44	347
Yuma	05:36:48	-60.2	Dark	Down	47.2	131.1	Up	05:30:55 - 05:42:41	313

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 14YY49, (2019/01/06 05:35UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 18.12 156
Alhena         06:37:42.8 +16:23:57  1.9 16.45 170
21 Mon         07:11:23.6 -00:18:08  5.5  2.49 158
PPM 151860     07:04:20.2 +01:29:18  6.7  0.33 160
PPM 151812     07:03:03.5 +01:23:37  9.4  0.21 160
14YY49         07:03:33.1 +01:13:35 16.6       160
Positions are for J2000

Event circumstances last updated at 2018/12/04 05:06:24 UT

RECON