RECON: TNO occultation with 84922

Event between (84922) 03VS2 and star GA1200:02210560 with event index number of 2405313

Geocentric closest approach at 2025/01/16 10:13:45 UTC

J2000 position of star is 06:02:02.2 +31:30:32
Equinox of date position of star is 06:03:36.3 +31:30:26
Stellar brightness G=13.6, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 56 degrees from the moon. Moon is 93% illuminated.
Apparent brightness V=19.7

[RECON map]
Object is 36.9 AU from the Sun and 36.0 AU from the Earth.
Apparent velocity is 22.5 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 124 seconds.
The 1-sigma cross-track error in the shadow position is 1500 km.
The sky-plane scale is 26128.8 km/arcsec.

The object has an absolute magnitude Hv=4.0
Diameter=968.3 km assuming a 5% albedo -- 42.6 sec chord
Diameter=395.3 km assuming a 30% albedo -- 17.4 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 84922, (2025/01/16 10:15UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:50.8 +27:57:49  1.1 22.62  33
Alnath         05:27:52.6 +28:37:35  1.6  8.26  64
PPM 071108     06:02:47.1 +31:02:00  6.0  0.51  56
PPM 071151     06:04:59.0 +31:23:16  7.5  0.31  56
PPM 071110     06:02:52.3 +31:32:23  9.5  0.17  56
84922          06:03:39.7 +31:30:26 13.6        56
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 23.5 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	10:10:39	-43.8	Dark	Up	34.8	278.2	Up	09:59:48 - 10:21:30	6143
Kamloops	10:10:56	-52.1	Dark	Up	43.7	268.5	Up	10:00:05 - 10:21:47	5604
Kelowna	10:10:52	-52.1	Dark	Up	43.1	270.0	Up	10:00:01 - 10:21:43	5553
Peachland	10:10:54	-52.4	Dark	Up	43.3	269.9	Up	10:00:03 - 10:21:45	5534
Summerland	10:10:52	-52.4	Dark	Up	43.3	270.1	Up	10:00:01 - 10:21:43	5523
Penticton	10:10:51	-52.4	Dark	Up	43.2	270.2	Up	10:00:00 - 10:21:42	5520
Oliver	10:10:50	-52.6	Dark	Up	43.2	270.5	Up	09:59:59 - 10:21:41	5487
Anarchist Mountain Observatory	10:10:50	-52.6	Dark	Up	43.1	270.8	Up	09:59:59 - 10:21:41	5476
Okanogan	10:10:49	-53.1	Dark	Up	43.2	271.3	Up	09:59:58 - 10:21:40	5409
Brewster	10:10:48	-53.4	Dark	Up	43.3	271.4	Up	09:59:57 - 10:21:39	5378
Manson/Chelan	10:10:48	-53.7	Dark	Up	43.6	271.3	Up	09:59:57 - 10:21:39	5348
Victoria	10:10:57	-55.0	Dark	Up	45.7	268.3	Up	10:00:06 - 10:21:48	5322
Wenatchee	10:10:48	-54.1	Dark	Up	43.7	271.6	Up	09:59:57 - 10:21:39	5298
Ellensburg	10:10:47	-54.5	Dark	Up	43.8	271.9	Up	09:59:56 - 10:21:38	5253
Yakima	10:10:46	-54.7	Dark	Up	43.8	272.3	Up	09:59:55 - 10:21:37	5213
PNWRO	10:10:41	-54.1	Dark	Up	42.7	273.9	Up	09:59:50 - 10:21:32	5205
Toppenish/White Swan	10:10:46	-54.8	Dark	Up	43.7	272.6	Up	09:59:55 - 10:21:37	5197
Dunrhomin	10:10:04	-47.3	Dark	Up	31.9	286.2	Up	09:59:13 - 10:20:55	5135
Nikitin	10:10:03	-47.4	Dark	Up	31.9	286.3	Up	09:59:12 - 10:20:54	5117
CU-SBO	10:10:03	-47.5	Dark	Up	31.9	286.3	Up	09:59:12 - 10:20:54	5108
The Dalles	10:10:45	-55.7	Dark	Up	44.2	272.8	Up	09:59:54 - 10:21:36	5100
Maupin	10:10:44	-55.9	Dark	Up	44.1	273.3	Up	09:59:53 - 10:21:35	5062
Sisters	10:10:43	-56.7	Dark	Up	44.4	273.8	Up	09:59:52 - 10:21:34	4962
Bend	10:10:42	-56.7	Dark	Up	44.2	274.2	Up	09:59:51 - 10:21:33	4947
Oregon Observatory	10:10:41	-56.8	Dark	Up	44.3	274.3	Up	09:59:50 - 10:21:32	4926
Chiloquin	10:10:39	-57.8	Dark	Up	44.5	275.3	Up	09:59:48 - 10:21:30	4784
Klamath Falls	10:10:38	-58.0	Dark	Up	44.4	275.7	Up	09:59:47 - 10:21:29	4752
Cedarville	10:10:33	-57.3	Dark	Up	43.2	277.3	Up	09:59:42 - 10:21:24	4732
Fall River/Burney	10:10:35	-58.4	Dark	Up	44.0	277.0	Up	09:59:44 - 10:21:26	4647
Gimple	10:10:32	-58.5	Dark	Up	43.5	278.2	Up	09:59:41 - 10:21:23	4573
Greenville	10:10:32	-58.5	Dark	Up	43.6	278.1	Up	09:59:41 - 10:21:23	4570
Portola	10:10:30	-58.4	Dark	Up	43.2	278.7	Up	09:59:39 - 10:21:21	4552
Quincy	10:10:32	-58.6	Dark	Up	43.5	278.3	Up	09:59:41 - 10:21:23	4550
Reno	10:10:28	-58.0	Dark	Up	42.6	279.3	Up	09:59:37 - 10:21:19	4547
Yerington	10:10:25	-57.8	Dark	Up	42.0	280.1	Up	09:59:34 - 10:21:16	4513
Carson City	10:10:28	-58.2	Dark	Up	42.6	279.6	Up	09:59:37 - 10:21:19	4512
Gardnerville	10:10:27	-58.3	Dark	Up	42.5	279.9	Up	09:59:36 - 10:21:18	4489
Hawthorne	10:10:25	-57.7	Dark	Up	41.6	280.8	Up	09:59:34 - 10:21:16	4484
Lee Vining	10:10:23	-58.2	Dark	Up	41.8	281.0	Up	09:59:32 - 10:21:14	4411
Beatty	10:10:17	-56.9	Dark	Up	39.8	283.0	Up	09:59:26 - 10:21:08	4386
Bishop	10:10:21	-58.0	Dark	Up	41.2	281.9	Up	09:59:30 - 10:21:12	4376
Patrick	10:10:07	-55.2	Dark	Up	37.2	285.4	Up	09:59:16 - 10:20:58	4342
Laughlin/Bullhead City	10:10:08	-55.8	Dark	Up	37.7	285.3	Up	09:59:17 - 10:20:59	4292
George/Scottsdale	10:10:00	-53.9	Dark	Up	35.2	287.4	Up	09:59:09 - 10:20:51	4251
Lake Havasu City	10:10:07	-55.7	Dark	Up	37.3	285.9	Up	09:59:16 - 10:20:58	4234
Idyllwild	10:10:10	-57.8	Dark	Up	39.0	285.5	Up	09:59:19 - 10:21:01	4071
Calipatria	10:10:07	-57.0	Dark	Up	37.9	286.4	Up	09:59:16 - 10:20:58	4053
Yuma	10:10:04	-56.4	Dark	Up	37.1	287.1	Up	09:59:13 - 10:20:55	4043
Wildwood	10:10:15	-59.2	Dark	Up	40.6	284.5	Up	09:59:24 - 10:21:06	4040

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 84922, (2025/01/16 10:15UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 22.62  33
Alnath         05:26:17.6 +28:36:23  1.6  8.26  64
PPM 071108     06:01:10.0 +31:02:04  6.0  0.51  56
PPM 071151     06:03:21.6 +31:23:25  7.5  0.31  56
PPM 071110     06:01:14.7 +31:32:28  9.5  0.17  56
84922          06:02:02.2 +31:30:32 13.6        56
Positions are for J2000

Event circumstances last updated at 2024/03/02 06:05:34 UT

RECON