RECON: TNO occultation with 612048

Event between (612048) 96TS66 and star GA1160:01127335 with event index number of 2803875

Geocentric closest approach at 2024/01/20 03:14:24 UTC

J2000 position of star is 05:08:09.5 +26:16:52
Equinox of date position of star is 05:09:35.0 +26:18:34
Stellar brightness G=15.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 24 degrees from the moon. Moon is 71% illuminated.
Apparent brightness V=22.1

[RECON map]
Object is 38.4 AU from the Sun and 37.7 AU from the Earth.
Apparent velocity is 18.0 km/sec on the sky relative to the star, or, 2.4 arcsec/hr.
The 1-sigma error in the time of the event is 184 seconds.
The 1-sigma cross-track error in the shadow position is 1912 km.
The sky-plane scale is 27333.3 km/arcsec.

The object has an absolute magnitude Hv=6.2
Diameter=350.0 km assuming a 5% albedo -- 19.5 sec chord
Diameter=142.9 km assuming a 30% albedo -- 7.9 sec chord
Dynamical classification is 5:3EE
 
 
 
 
 
 

Star training set for 612048, (2024/01/20 03:12UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:18.2 +16:33:21  0.8 12.31  18
Alnath         05:27:48.9 +28:37:32  1.6  4.65  29
PPM 094057     05:07:22.9 +26:27:38  6.4  0.53  24
PPM 094086     05:09:25.1 +26:21:26  8.5  0.07  24
612048         05:09:39.0 +26:18:38 15.9        25
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 4.9 sigma about the mid-time.
The median site spacing is 28.0 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)
Kamloops	03:15:49	-25.5	Dark	Up	56.9	126.3	Up	03:00:49 - 03:30:49	10777
Kelowna	03:15:48	-26.1	Dark	Up	57.8	126.5	Up	03:00:48 - 03:30:48	10682
Peachland	03:15:50	-25.9	Dark	Up	57.7	125.9	Up	03:00:50 - 03:30:50	10680
Victoria	03:16:06	-23.5	Dark	Up	56.4	119.7	Up	03:01:06 - 03:31:06	10671
Summerland	03:15:50	-25.9	Dark	Up	57.9	125.9	Up	03:00:50 - 03:30:50	10664
Penticton	03:15:51	-26.0	Dark	Up	58.0	125.9	Up	03:00:51 - 03:30:51	10655
Oliver	03:15:52	-26.0	Dark	Up	58.2	125.5	Up	03:00:52 - 03:30:52	10624
Anarchist Mountain Observatory	03:15:51	-26.1	Dark	Up	58.4	125.5	Up	03:00:51 - 03:30:51	10604
Sleaford	03:14:55	-34.2	Dark	Up	61.8	150.2	Up	02:59:55 - 03:29:55	10571
Okanogan	03:15:54	-26.0	Dark	Up	58.6	124.4	Up	03:00:54 - 03:30:54	10552
Brewster	03:15:55	-25.8	Dark	Up	58.7	123.7	Up	03:00:55 - 03:30:55	10533
Manson/Chelan	03:15:57	-25.6	Dark	Up	58.6	123.0	Up	03:00:57 - 03:30:57	10524
Wenatchee	03:15:59	-25.4	Dark	Up	58.7	122.1	Up	03:00:59 - 03:30:59	10486
Ellensburg	03:16:02	-25.3	Dark	Up	58.8	121.2	Up	03:01:02 - 03:31:02	10455
Yakima	03:16:03	-25.2	Dark	Up	59.0	120.6	Up	03:01:03 - 03:31:03	10418
Toppenish/White Swan	03:16:04	-25.4	Dark	Up	59.3	120.6	Up	03:01:04 - 03:31:04	10394
The Dalles	03:16:09	-24.8	Dark	Up	59.2	118.4	Up	03:01:09 - 03:31:09	10346
PNWRO	03:16:00	-26.4	Dark	Up	60.3	122.0	Up	03:01:00 - 03:31:00	10318
Maupin	03:16:10	-24.8	Dark	Up	59.4	117.9	Up	03:01:10 - 03:31:10	10304
Sisters	03:16:15	-24.4	Dark	Up	59.5	116.0	Up	03:01:15 - 03:31:15	10238
Bend	03:16:16	-24.6	Dark	Up	59.8	116.0	Up	03:01:16 - 03:31:16	10208
Oregon Observatory	03:16:15	-24.5	Dark	Up	59.8	115.5	Up	03:01:15 - 03:31:15	10196
Chiloquin	03:16:21	-24.1	Dark	Up	60.1	113.0	Up	03:01:21 - 03:31:21	10086
Klamath Falls	03:16:22	-24.1	Dark	Up	60.3	112.6	Up	03:01:22 - 03:31:22	10052
Cedarville	03:16:19	-25.2	Dark	Up	61.6	113.3	Up	03:01:19 - 03:31:19	9937
Fall River/Burney	03:16:24	-24.2	Dark	Up	61.0	111.1	Up	03:01:24 - 03:31:24	9929
Greenville	03:16:24	-24.5	Dark	Up	61.6	110.0	Up	03:01:24 - 03:31:24	9828
Gimple	03:16:25	-24.5	Dark	Up	61.7	110.1	Up	03:01:25 - 03:31:25	9825
Quincy	03:16:26	-24.5	Dark	Up	61.7	109.7	Up	03:01:26 - 03:31:26	9809
Portola	03:16:23	-24.8	Dark	Up	62.1	110.0	Up	03:01:23 - 03:31:23	9782
Reno	03:16:22	-25.3	Dark	Up	62.6	110.2	Up	03:01:22 - 03:31:22	9735
Carson City	03:16:24	-25.3	Dark	Up	62.8	109.6	Up	03:01:24 - 03:31:24	9700
Gardnerville	03:16:23	-25.3	Dark	Up	62.9	109.2	Up	03:01:23 - 03:31:23	9675
Yerington	03:16:23	-25.7	Dark	Up	63.3	110.0	Up	03:01:23 - 03:31:23	9661
Hawthorne	03:16:21	-26.1	Dark	Up	63.8	109.7	Up	03:01:21 - 03:31:21	9599
Lee Vining	03:16:23	-25.6	Dark	Up	63.7	108.1	Up	03:01:23 - 03:31:23	9560
Bishop	03:16:23	-26.1	Dark	Up	64.4	107.7	Up	03:01:23 - 03:31:23	9478
Dunrhomin	03:15:19	-36.3	Dark	Up	71.6	135.1	Up	03:00:19 - 03:30:19	9398
Beatty	03:16:16	-27.4	Dark	Up	65.8	108.6	Up	03:01:16 - 03:31:16	9381
Nikitin	03:15:20	-36.3	Dark	Up	71.8	134.7	Up	03:00:20 - 03:30:20	9380
CU-SBO	03:15:20	-36.3	Dark	Up	71.8	134.4	Up	03:00:20 - 03:30:20	9375
Wildwood	03:16:33	-25.6	Dark	Up	65.1	100.8	Up	03:01:33 - 03:31:33	9160
Patrick	03:16:08	-29.5	Dark	Up	68.4	108.7	Up	03:01:08 - 03:31:08	9142
Laughlin/Bullhead City	03:16:13	-29.0	Dark	Up	68.0	107.3	Up	03:01:13 - 03:31:13	9139
Lake Havasu City	03:16:14	-29.1	Dark	Up	68.4	106.0	Up	03:01:14 - 03:31:14	9063
Idyllwild	03:16:25	-27.1	Dark	Up	66.7	101.8	Up	03:01:25 - 03:31:25	9062
Calipatria	03:16:21	-28.0	Dark	Up	67.7	101.4	Up	03:01:21 - 03:31:21	8962
George/Scottsdale	03:16:03	-31.0	Dark	Up	70.5	106.9	Up	03:01:03 - 03:31:03	8909
Yuma	03:16:19	-28.7	Dark	Up	68.6	101.2	Up	03:01:19 - 03:31:19	8890

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 612048, (2024/01/20 03:12UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 12.31  18
Alnath         05:26:17.6 +28:36:23  1.6  4.65  29
PPM 094057     05:05:53.4 +26:25:47  6.4  0.53  24
PPM 094086     05:07:55.6 +26:19:39  8.5  0.07  24
612048         05:08:09.5 +26:16:52 15.9        24
Positions are for J2000

Event circumstances last updated at 2022/12/24 04:01:12 UT

RECON