RECON: TNO occultation with 463368

Event between (463368) 12VU85 and star GA1000:02844698 with event index number of 2279440

Geocentric closest approach at 2027/02/03 10:34:29 UTC

J2000 position of star is 07:29:55.5 +11:17:10
Equinox of date position of star is 07:31:16.8 +11:14:01
Stellar brightness G=15.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 161 degrees from the moon. Moon is 9% illuminated.
Apparent brightness V=20.7

[RECON map]
Object is 21.6 AU from the Sun and 20.6 AU from the Earth.
Apparent velocity is 21.3 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 655 seconds.
The 1-sigma cross-track error in the shadow position is 5521 km.
The sky-plane scale is 14973.8 km/arcsec.

The object has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 9.8 sec chord
Diameter=85.3 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 463368, (2027/02/03 10:34UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:58.5 +27:57:31  1.1 17.12 166
Alhena         06:39:16.6 +16:22:26  1.9 13.66 170
6 CMi          07:31:18.2 +11:56:54  4.5  0.72 162
PPM 124105     07:32:38.6 +11:08:38  7.7  0.31 161
PPM 124067     07:30:47.9 +10:58:00  9.1  0.30 161
463368         07:31:25.5 +11:13:41 15.7       161
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 1.4 sigma about the mid-time.
The median site spacing is 19.5 km RECON observability=0.9 and success probability=4.7%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Sleaford	10:32:14	-37.8	Dark	Down	19.3	263.6	Really Low	10:17:14 - 10:47:14	7035
Kamloops	10:32:25	-46.2	Dark	Down	28.3	252.1	Low	10:17:25 - 10:47:25	6701
Kelowna	10:32:21	-46.3	Dark	Down	28.1	253.3	Low	10:17:21 - 10:47:21	6665
Peachland	10:32:21	-46.5	Dark	Down	28.3	253.1	Low	10:17:21 - 10:47:21	6653
Summerland	10:32:21	-46.5	Dark	Down	28.3	253.2	Low	10:17:21 - 10:47:21	6645
Penticton	10:32:20	-46.5	Dark	Down	28.2	253.4	Low	10:17:20 - 10:47:20	6643
Oliver	10:32:19	-46.7	Dark	Down	28.3	253.5	Low	10:17:19 - 10:47:19	6620
Anarchist Mountain Observatory	10:32:18	-46.7	Dark	Down	28.2	253.8	Low	10:17:18 - 10:47:18	6612
Okanogan	10:32:16	-47.2	Dark	Down	28.6	253.9	Low	10:17:16 - 10:47:16	6565
Brewster	10:32:15	-47.5	Dark	Down	28.8	253.9	Low	10:17:15 - 10:47:15	6543
Manson/Chelan	10:32:15	-47.8	Dark	Down	29.1	253.7	Low	10:17:15 - 10:47:15	6522
Victoria	10:32:23	-49.1	Dark	Down	30.9	250.6	Up	10:17:23 - 10:47:23	6502
Wenatchee	10:32:13	-48.2	Dark	Down	29.3	253.8	Low	10:17:13 - 10:47:13	6486
Ellensburg	10:32:12	-48.6	Dark	Down	29.6	253.8	Low	10:17:12 - 10:47:12	6454
Yakima	10:32:10	-48.8	Dark	Down	29.7	254.0	Low	10:17:10 - 10:47:10	6425
PNWRO	10:32:05	-48.2	Dark	Down	28.8	255.7	Low	10:17:05 - 10:47:05	6417
Toppenish/White Swan	10:32:09	-48.8	Dark	Down	29.7	254.3	Low	10:17:09 - 10:47:09	6413
The Dalles	10:32:08	-49.7	Dark	Down	30.4	254.1	Up	10:17:08 - 10:47:08	6342
Maupin	10:32:06	-49.9	Dark	Down	30.4	254.4	Up	10:17:06 - 10:47:06	6315
Dunrhomin	10:31:24	-41.4	Dark	Down	19.8	268.2	Really Low	10:16:24 - 10:46:24	6280
Nikitin	10:31:23	-41.5	Dark	Down	19.8	268.2	Really Low	10:16:23 - 10:46:23	6266
CU-SBO	10:31:23	-41.5	Dark	Down	19.8	268.2	Really Low	10:16:23 - 10:46:23	6260
Sisters	10:32:03	-50.7	Dark	Down	31.0	254.5	Up	10:17:03 - 10:47:03	6241
Bend	10:32:02	-50.7	Dark	Down	30.9	254.8	Up	10:17:02 - 10:47:02	6229
Oregon Observatory	10:32:01	-50.9	Dark	Down	31.1	254.8	Up	10:17:01 - 10:47:01	6214
Chiloquin	10:31:58	-51.9	Dark	Down	31.7	255.2	Up	10:16:58 - 10:46:58	6106
Klamath Falls	10:31:56	-52.0	Dark	Down	31.7	255.5	Up	10:16:56 - 10:46:56	6082
Cedarville	10:31:51	-51.4	Dark	Down	30.7	257.1	Up	10:16:51 - 10:46:51	6063
Fall River/Burney	10:31:51	-52.4	Dark	Down	31.8	256.5	Up	10:16:51 - 10:46:51	5999
Gimple	10:31:47	-52.5	Dark	Down	31.6	257.4	Up	10:16:47 - 10:46:47	5940
Greenville	10:31:47	-52.6	Dark	Down	31.6	257.4	Up	10:16:47 - 10:46:47	5939
Portola	10:31:45	-52.4	Dark	Down	31.4	257.9	Up	10:16:45 - 10:46:45	5923
Quincy	10:31:46	-52.7	Dark	Down	31.7	257.5	Up	10:16:46 - 10:46:46	5923
Reno	10:31:43	-52.1	Dark	Down	30.9	258.5	Up	10:16:43 - 10:46:43	5917
Carson City	10:31:41	-52.3	Dark	Down	31.0	258.8	Up	10:16:41 - 10:46:41	5889
Yerington	10:31:40	-51.9	Dark	Down	30.5	259.3	Up	10:16:40 - 10:46:40	5887
Gardnerville	10:31:40	-52.3	Dark	Down	31.0	258.9	Up	10:16:40 - 10:46:40	5870
Hawthorne	10:31:37	-51.7	Dark	Down	30.2	260.0	Up	10:16:37 - 10:46:37	5862
Lee Vining	10:31:36	-52.3	Dark	Down	30.7	259.9	Up	10:16:36 - 10:46:36	5806
Bishop	10:31:33	-52.1	Dark	Down	30.3	260.8	Up	10:16:33 - 10:46:33	5774
Beatty	10:31:28	-51.0	Dark	Down	29.0	262.1	Low	10:16:28 - 10:46:28	5773
Patrick	10:31:18	-49.4	Dark	Down	26.9	264.7	Low	10:16:18 - 10:46:18	5716
Laughlin/Bullhead City	10:31:18	-50.0	Dark	Down	27.5	264.4	Low	10:16:18 - 10:46:18	5680
Lake Havasu City	10:31:15	-50.0	Dark	Down	27.4	264.9	Low	10:16:15 - 10:46:15	5630
George/Scottsdale	10:31:08	-48.2	Dark	Down	25.4	266.7	Low	10:16:08 - 10:46:08	5621
Idyllwild	10:31:17	-52.1	Dark	Down	29.4	263.9	Low	10:16:17 - 10:46:17	5511
Wildwood	10:31:21	-53.5	Dark	Down	30.9	262.5	Up	10:16:21 - 10:46:21	5496
Calipatria	10:31:13	-51.3	Dark	Down	28.5	264.9	Low	10:16:13 - 10:46:13	5486
Yuma	10:31:09	-50.7	Dark	Down	27.8	265.7	Low	10:16:09 - 10:46:09	5470

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 463368, (2027/02/03 10:34UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 17.12 166
Alhena         06:37:42.8 +16:23:57  1.9 13.66 170
6 CMi          07:29:47.8 +12:00:23  4.5  0.72 162
PPM 124105     07:31:08.7 +11:12:10  7.7  0.31 161
PPM 124067     07:29:18.1 +11:01:28  9.1  0.30 161
463368         07:29:55.5 +11:17:10 15.7       161
Positions are for J2000

Event circumstances last updated at 2024/06/21 21:25:42 UT

RECON