RECON: TNO occultation with 578992

Event between (578992) 14JL80 and star GA0700:11256093 with event index number of 2555316

Geocentric closest approach at 2027/05/16 08:48:02 UTC

J2000 position of star is 17:29:16.8 -18:30:49
Equinox of date position of star is 17:30:42.9 -18:31:53
Stellar brightness G=16.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 77 degrees from the moon. Moon is 82% illuminated.
Apparent brightness V=22.0

[RECON map]
Object is 28.6 AU from the Sun and 27.7 AU from the Earth.
Apparent velocity is 19.6 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 104 seconds.
The 1-sigma cross-track error in the shadow position is 1031 km.
The sky-plane scale is 20068.6 km/arcsec.

The object has an absolute magnitude Hv=7.4
Diameter=199.5 km assuming a 5% albedo -- 10.3 sec chord
Diameter=81.5 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 578992, (2027/05/16 08:46UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:05.4 -26:29:25  0.9 15.92  64
35Eta Oph      17:11:57.0 -15:45:25  2.6  5.31  73
PPM 233026     17:26:13.3 -18:28:07  6.4  1.11  76
PPM 233140     17:31:03.1 -18:41:02  9.4  0.16  77
578992         17:30:53.1 -18:32:01 16.2        78
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=1.0 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)
Sleaford	08:48:37	-15.0	AT	Up	19.4	177.7	Really Low	08:39:29 - 08:57:46	9429
Kamloops	08:49:26	-19.3	Dark	Up	19.3	163.4	Really Low	08:40:18 - 08:58:35	9236
Kelowna	08:49:24	-20.0	Dark	Up	20.2	164.2	Low	08:40:16 - 08:58:33	9212
Peachland	08:49:26	-20.1	Dark	Up	20.3	163.9	Low	08:40:17 - 08:58:34	9203
Summerland	08:49:25	-20.3	Dark	Up	20.5	164.0	Low	08:40:17 - 08:58:34	9198
Penticton	08:49:25	-20.3	Dark	Up	20.5	164.1	Low	08:40:17 - 08:58:34	9196
Oliver	08:49:25	-20.7	Dark	Up	20.9	164.1	Low	08:40:17 - 08:58:34	9180
Anarchist Mountain Observatory	08:49:25	-20.8	Dark	Up	21.1	164.3	Low	08:40:16 - 08:58:33	9176
Okanogan	08:49:26	-21.5	Dark	Up	21.7	164.0	Low	08:40:18 - 08:58:35	9143
Brewster	08:49:27	-21.7	Dark	Up	21.9	163.7	Low	08:40:19 - 08:58:36	9127
Manson/Chelan	08:49:28	-22.0	Dark	Up	22.0	163.4	Low	08:40:20 - 08:58:37	9113
Victoria	08:49:39	-21.8	Dark	Up	20.7	160.2	Low	08:40:31 - 08:58:48	9100
Wenatchee	08:49:30	-22.5	Dark	Up	22.4	163.1	Low	08:40:21 - 08:58:38	9088
Ellensburg	08:49:31	-22.9	Dark	Up	22.8	162.9	Low	08:40:23 - 08:58:40	9065
Yakima	08:49:31	-23.3	Dark	Up	23.2	162.8	Low	08:40:23 - 08:58:40	9045
PNWRO	08:49:26	-23.6	Dark	Up	24.1	164.4	Low	08:40:17 - 08:58:34	9037
Toppenish/White Swan	08:49:31	-23.5	Dark	Up	23.4	162.9	Low	08:40:23 - 08:58:40	9036
The Dalles	08:49:35	-24.4	Dark	Up	24.0	162.1	Low	08:40:26 - 08:58:43	8986
Maupin	08:49:34	-24.8	Dark	Up	24.4	162.1	Low	08:40:26 - 08:58:43	8966
Sisters	08:49:37	-25.7	Dark	Up	25.2	161.5	Low	08:40:28 - 08:58:45	8913
Bend	08:49:37	-25.9	Dark	Up	25.4	161.7	Low	08:40:28 - 08:58:45	8904
Oregon Observatory	08:49:37	-26.1	Dark	Up	25.6	161.6	Low	08:40:29 - 08:58:46	8893
Dunrhomin	08:48:34	-25.2	Dark	Up	31.2	178.3	Up	08:39:26 - 08:57:43	8873
Nikitin	08:48:34	-25.4	Dark	Up	31.4	178.3	Up	08:39:26 - 08:57:43	8862
CU-SBO	08:48:34	-25.5	Dark	Up	31.5	178.2	Up	08:39:25 - 08:57:42	8858
Chiloquin	08:49:40	-27.4	Dark	Up	26.7	160.9	Low	08:40:32 - 08:58:49	8814
Klamath Falls	08:49:40	-27.8	Dark	Up	27.1	161.0	Low	08:40:32 - 08:58:49	8795
Cedarville	08:49:34	-28.2	Dark	Up	28.1	162.5	Low	08:40:26 - 08:58:43	8779
Fall River/Burney	08:49:40	-28.9	Dark	Up	28.3	161.2	Low	08:40:31 - 08:58:48	8732
Gimple	08:49:38	-29.7	Dark	Up	29.3	161.5	Low	08:40:30 - 08:58:47	8686
Greenville	08:49:39	-29.7	Dark	Up	29.2	161.5	Low	08:40:31 - 08:58:48	8685
Quincy	08:49:38	-29.9	Dark	Up	29.4	161.4	Low	08:40:30 - 08:58:47	8673
Portola	08:49:37	-29.9	Dark	Up	29.7	161.9	Low	08:40:28 - 08:58:45	8672
Reno	08:49:34	-30.0	Dark	Up	30.1	162.5	Up	08:40:26 - 08:58:43	8666
Carson City	08:49:35	-30.4	Dark	Up	30.4	162.5	Up	08:40:26 - 08:58:43	8644
Yerington	08:49:32	-30.4	Dark	Up	30.7	163.1	Up	08:40:23 - 08:58:40	8641
Gardnerville	08:49:35	-30.6	Dark	Up	30.7	162.5	Up	08:40:26 - 08:58:43	8629
Hawthorne	08:49:30	-30.8	Dark	Up	31.3	163.6	Up	08:40:22 - 08:58:39	8620
Lee Vining	08:49:32	-31.4	Dark	Up	31.7	163.0	Up	08:40:24 - 08:58:41	8578
Bishop	08:49:30	-31.8	Dark	Up	32.5	163.7	Up	08:40:21 - 08:58:38	8549
Beatty	08:49:23	-31.9	Dark	Up	33.3	165.4	Up	08:40:15 - 08:58:32	8542
Patrick	08:49:11	-32.5	Dark	Up	35.2	168.3	Up	08:40:03 - 08:58:20	8483
Laughlin/Bullhead City	08:49:15	-32.9	Dark	Up	35.4	167.5	Up	08:40:06 - 08:58:23	8457
Lake Havasu City	08:49:15	-33.5	Dark	Up	36.1	167.7	Up	08:40:06 - 08:58:23	8415
George/Scottsdale	08:49:03	-33.4	Dark	Up	37.2	170.4	Up	08:39:54 - 08:58:11	8393
Idyllwild	08:49:24	-34.9	Dark	Up	36.3	164.8	Up	08:40:15 - 08:58:32	8331
Wildwood	08:49:33	-35.0	Dark	Up	35.6	162.8	Up	08:40:24 - 08:58:41	8328
Calipatria	08:49:20	-35.1	Dark	Up	37.2	166.1	Up	08:40:11 - 08:58:28	8304
Yuma	08:49:16	-35.3	Dark	Up	37.8	167.0	Up	08:40:07 - 08:58:24	8286

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 578992, (2027/05/16 08:46UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 15.92  64
35Eta Oph      17:10:22.7 -15:43:29  2.6  5.31  73
PPM 233026     17:24:37.1 -18:26:45  6.4  1.11  76
PPM 233140     17:29:26.7 -18:39:51  9.4  0.16  77
578992         17:29:16.8 -18:30:49 16.2        77
Positions are for J2000

Event circumstances last updated at 2024/06/21 21:28:08 UT

RECON