RECON: TNO occultation with 602714

Event between (602714) 14ON394 and star GA0900:17305836 with event index number of 2733625

Geocentric closest approach at 2026/10/07 02:58:41 UTC

J2000 position of star is 23:47:39.6 +01:39:06
Equinox of date position of star is 23:48:49.8 +01:46:43
Stellar brightness G=16.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 152 degrees from the moon. Moon is 14% illuminated.
TNO apparent brightness V=23.1

[RECON map]
TNO is 35.8 AU from the Sun and 34.8 AU from the Earth.
The TNO is moving 22.9 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 189 seconds.
The 1-sigma cross-track error in the shadow position is 3526 km.
The sky-plane scale is 25263.9 km/arcsec.

The TNO has an absolute magnitude Hv=7.6
Diameter=179.5 km assuming a 5% albedo -- 7.8 sec chord
Diameter=73.3 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 602714, (2026/10/07 02:57UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:59:07.3 -29:28:47  1.2 33.48 158
Algenib        00:14:37.1 +15:19:56  2.8 14.93 139
21 Psc         23:50:49.7 +01:13:30  5.7  0.73 152
PPM 174446     23:50:11.6 +02:21:47  7.6  0.63 152
PPM 174400     23:47:09.7 +01:49:14  8.8  0.47 152
602714         23:49:01.8 +01:48:01 16.2       152
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 4.8 sigma about the mid-time.
The median site spacing is 16.9 km RECON observability=1.0 and success probability=3.8%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Kamloops	02:59:44	-15.3	AT	Down	21.8	116.0	Low	02:44:44 - 03:14:44	7185
Victoria	02:59:55	-13.7	AT	Down	20.9	112.7	Low	02:44:55 - 03:14:55	7141
Peachland	02:59:45	-15.9	AT	Down	22.6	116.2	Low	02:44:45 - 03:14:45	7137
Kelowna	02:59:45	-16.0	AT	Down	22.7	116.6	Low	02:44:45 - 03:14:45	7137
Summerland	02:59:46	-16.0	AT	Down	22.7	116.3	Low	02:44:46 - 03:14:46	7129
Penticton	02:59:46	-16.0	AT	Down	22.8	116.3	Low	02:44:46 - 03:14:46	7124
Oliver	02:59:47	-16.1	AT	Down	22.9	116.2	Low	02:44:47 - 03:14:47	7109
Anarchist Mountain Observatory	02:59:48	-16.3	AT	Down	23.1	116.3	Low	02:44:48 - 03:14:48	7099
Okanogan	02:59:50	-16.3	AT	Down	23.3	115.9	Low	02:44:50 - 03:14:50	7073
Brewster	02:59:52	-16.2	AT	Down	23.3	115.6	Low	02:44:52 - 03:14:52	7064
Manson/Chelan	02:59:53	-16.0	AT	Down	23.1	115.2	Low	02:44:53 - 03:14:53	7061
Wenatchee	02:59:55	-15.9	AT	Down	23.3	114.9	Low	02:44:55 - 03:14:55	7042
Ellensburg	02:59:57	-15.9	AT	Down	23.3	114.6	Low	02:44:57 - 03:14:57	7026
Yakima	02:59:59	-15.9	AT	Down	23.5	114.4	Low	02:44:59 - 03:14:59	7007
Toppenish/White Swan	03:00:01	-16.1	AT	Down	23.7	114.5	Low	02:45:01 - 03:15:01	6994
Sleaford	02:59:11	-23.5	Dark	Down	28.5	130.1	Low	02:44:11 - 03:14:11	6988
The Dalles	03:00:04	-15.7	AT	Down	23.5	113.5	Low	02:45:04 - 03:15:04	6969
PNWRO	02:59:59	-17.2	AT	Down	24.7	115.6	Low	02:44:59 - 03:14:59	6950
Maupin	03:00:05	-15.8	AT	Down	23.7	113.4	Low	02:45:05 - 03:15:05	6947
Sisters	03:00:10	-15.6	AT	Down	23.8	112.7	Low	02:45:10 - 03:15:10	6911
Bend	03:00:10	-15.8	AT	Down	24.0	112.8	Low	02:45:10 - 03:15:10	6895
Oregon Observatory	03:00:12	-15.7	AT	Down	24.0	112.6	Low	02:45:12 - 03:15:12	6888
Chiloquin	03:00:17	-15.6	AT	Down	24.2	111.7	Low	02:45:17 - 03:15:17	6825
Klamath Falls	03:00:18	-15.7	AT	Down	24.4	111.7	Low	02:45:18 - 03:15:18	6805
Cedarville	03:00:19	-17.0	AT	Down	25.8	112.7	Low	02:45:19 - 03:15:19	6737
Fall River/Burney	03:00:23	-16.2	AT	Down	25.1	111.5	Low	02:45:23 - 03:15:23	6732
Greenville	03:00:25	-16.6	AT	Down	25.8	111.4	Low	02:45:25 - 03:15:25	6672
Gimple	03:00:26	-16.7	AT	Down	25.8	111.5	Low	02:45:26 - 03:15:26	6670
Quincy	03:00:26	-16.7	AT	Down	25.9	111.4	Low	02:45:26 - 03:15:26	6660
Portola	03:00:25	-17.0	AT	Down	26.2	111.7	Low	02:45:25 - 03:15:25	6644
Reno	03:00:25	-17.6	AT	Down	26.8	112.0	Low	02:45:25 - 03:15:25	6615
Carson City	03:00:26	-17.6	AT	Down	27.0	111.9	Low	02:45:26 - 03:15:26	6594
Gardnerville	03:00:27	-17.7	AT	Down	27.1	111.8	Low	02:45:27 - 03:15:27	6578
Yerington	03:00:26	-18.1	Dark	Down	27.5	112.3	Low	02:45:26 - 03:15:26	6569
Hawthorne	03:00:27	-18.6	Dark	Down	28.1	112.5	Low	02:45:27 - 03:15:27	6530
Lee Vining	03:00:30	-18.3	Dark	Down	27.9	111.8	Low	02:45:30 - 03:15:30	6506
Bishop	03:00:30	-19.0	Dark	Down	28.7	112.1	Low	02:45:30 - 03:15:30	6453
Beatty	03:00:28	-20.3	Dark	Down	30.1	113.1	Up	02:45:28 - 03:15:28	6388
Dunrhomin	02:59:50	-28.2	Dark	Down	36.3	125.0	Up	02:44:50 - 03:14:50	6334
CU-SBO	02:59:52	-28.3	Dark	Down	36.3	124.8	Up	02:44:52 - 03:14:52	6321
Wildwood	03:00:43	-19.3	Dark	Down	29.7	110.3	Low	02:45:43 - 03:15:43	6241
Patrick	03:00:28	-22.9	Dark	Down	32.8	114.6	Up	02:45:28 - 03:15:28	6225
Laughlin/Bullhead City	03:00:31	-22.4	Dark	Down	32.4	113.9	Up	02:45:31 - 03:15:31	6225
Idyllwild	03:00:40	-20.9	Dark	Down	31.3	111.5	Up	02:45:40 - 03:15:40	6176
Lake Havasu City	03:00:32	-22.7	Dark	Down	32.8	113.7	Up	02:45:32 - 03:15:32	6173
Calipatria	03:00:40	-21.9	Dark	Down	32.5	112.0	Up	02:45:40 - 03:15:40	6105
George/Scottsdale	03:00:30	-24.8	Dark	Down	35.0	115.2	Up	02:45:30 - 03:15:30	6060
Yuma	03:00:39	-22.7	Dark	Down	33.3	112.4	Up	02:45:39 - 03:15:39	6054

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 602714, (2026/10/07 02:57UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 33.48 158
Algenib        00:13:14.2 +15:11:01  2.8 14.93 139
21 Psc         23:49:27.5 +01:04:34  5.7  0.73 152
PPM 174446     23:48:49.4 +02:12:51  7.6  0.63 152
PPM 174400     23:45:47.5 +01:40:19  8.8  0.47 152
602714         23:47:39.6 +01:39:06 16.2       152
Positions are for J2000

Event circumstances last updated at 2022/11/14 02:54:00 UT

RECON