RECON: TNO occultation with 84922

Event between (84922) 03VS2 and star GA1180:02591257 with event index number of 2544757

Geocentric closest approach at 2028/12/04 07:03:44 UTC

J2000 position of star is 06:36:59.2 +29:46:52
Equinox of date position of star is 06:38:31.8 +29:45:33
Stellar brightness G=16.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 6 degrees from the moon. Moon is 95% illuminated.
Apparent brightness V=19.7

[RECON map]
Object is 37.1 AU from the Sun and 36.2 AU from the Earth.
Apparent velocity is 22.4 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 223 seconds.
The 1-sigma cross-track error in the shadow position is 2004 km.
The sky-plane scale is 26256.2 km/arcsec.

The object has an absolute magnitude Hv=4.0
Diameter=968.3 km assuming a 5% albedo -- 42.8 sec chord
Diameter=395.3 km assuming a 30% albedo -- 17.5 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 84922, (2028/12/04 07:04UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:47:05.2 +27:57:14  1.1 15.04  15
Alhena         06:39:22.9 +16:22:19  1.9 13.38   7
53 Aur         06:40:13.0 +28:57:24  5.5  0.85   6
PPM 096309     06:40:59.7 +29:42:46  8.2  0.47   6
PPM 096259     06:39:11.6 +29:50:31  9.7  0.12   6
84922          06:38:50.0 +29:45:17 16.8         6
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 4.0 sigma about the mid-time.
The median site spacing is 33.0 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	07:05:51	-60.3	Dark	Up	53.9	110.2	Up	06:50:51 - 07:20:51	9421
Sleaford	07:05:11	-60.1	Dark	Up	61.0	130.3	Up	06:50:11 - 07:20:11	9364
Kelowna	07:05:52	-61.2	Dark	Up	54.8	110.1	Up	06:50:52 - 07:20:52	9325
Peachland	07:05:52	-61.3	Dark	Up	54.6	109.6	Up	06:50:52 - 07:20:52	9319
Summerland	07:05:53	-61.4	Dark	Up	54.7	109.5	Up	06:50:53 - 07:20:53	9302
Penticton	07:05:52	-61.5	Dark	Up	54.8	109.6	Up	06:50:52 - 07:20:52	9294
Victoria	07:06:05	-61.4	Dark	Up	52.7	104.4	Up	06:51:05 - 07:21:05	9267
Oliver	07:05:53	-61.8	Dark	Up	54.9	109.1	Up	06:50:53 - 07:20:53	9259
Anarchist Mountain Observatory	07:05:52	-62.0	Dark	Up	55.1	109.1	Up	06:50:52 - 07:20:52	9238
Okanogan	07:05:55	-62.6	Dark	Up	55.2	108.0	Up	06:50:55 - 07:20:55	9178
Brewster	07:05:56	-62.8	Dark	Up	55.1	107.4	Up	06:50:56 - 07:20:56	9154
Manson/Chelan	07:05:57	-62.9	Dark	Up	55.0	106.7	Up	06:50:57 - 07:20:57	9140
Wenatchee	07:05:58	-63.3	Dark	Up	55.0	105.9	Up	06:50:58 - 07:20:58	9095
Ellensburg	07:05:59	-63.6	Dark	Up	55.0	105.1	Up	06:50:59 - 07:20:59	9058
Yakima	07:06:01	-64.0	Dark	Up	55.1	104.6	Up	06:51:01 - 07:21:01	9017
Toppenish/White Swan	07:06:00	-64.2	Dark	Up	55.2	104.4	Up	06:51:00 - 07:21:00	8992
The Dalles	07:06:04	-64.7	Dark	Up	54.9	102.6	Up	06:51:04 - 07:21:04	8929
PNWRO	07:05:58	-65.0	Dark	Up	56.3	105.4	Up	06:50:58 - 07:20:58	8926
Maupin	07:06:04	-65.1	Dark	Up	55.1	102.1	Up	06:51:04 - 07:21:04	8884
Sisters	07:06:08	-65.7	Dark	Up	54.9	100.4	Up	06:51:08 - 07:21:08	8805
Bend	07:06:07	-66.0	Dark	Up	55.1	100.3	Up	06:51:07 - 07:21:07	8775
Oregon Observatory	07:06:08	-66.1	Dark	Up	55.1	100.0	Up	06:51:08 - 07:21:08	8760
Chiloquin	07:06:12	-67.1	Dark	Up	55.0	97.8	Up	06:51:12 - 07:21:12	8634
Klamath Falls	07:06:12	-67.4	Dark	Up	55.1	97.4	Up	06:51:12 - 07:21:12	8597
Cedarville	07:06:09	-68.6	Dark	Up	56.3	97.6	Up	06:51:09 - 07:21:09	8491
Fall River/Burney	07:06:13	-68.5	Dark	Up	55.5	96.0	Up	06:51:13 - 07:21:13	8467
Greenville	07:06:13	-69.5	Dark	Up	55.9	95.0	Up	06:51:13 - 07:21:13	8362
Gimple	07:06:14	-69.5	Dark	Up	56.0	95.1	Up	06:51:14 - 07:21:14	8360
Quincy	07:06:13	-69.7	Dark	Up	55.9	94.7	Up	06:51:13 - 07:21:13	8341
Portola	07:06:12	-70.0	Dark	Up	56.3	94.9	Up	06:51:12 - 07:21:12	8318
Reno	07:06:10	-70.4	Dark	Up	56.8	94.9	Up	06:51:10 - 07:21:10	8276
Carson City	07:06:11	-70.8	Dark	Up	56.9	94.4	Up	06:51:11 - 07:21:11	8238
Gardnerville	07:06:12	-71.0	Dark	Up	56.9	94.1	Up	06:51:12 - 07:21:12	8211
Yerington	07:06:10	-71.2	Dark	Up	57.4	94.6	Up	06:51:10 - 07:21:10	8204
Hawthorne	07:06:09	-71.8	Dark	Up	57.8	94.2	Up	06:51:09 - 07:21:09	8144
Dunrhomin	07:05:22	-71.8	Dark	Up	67.5	110.1	Up	06:50:22 - 07:20:22	8112
Lee Vining	07:06:11	-72.1	Dark	Up	57.5	93.0	Up	06:51:11 - 07:21:11	8094
Nikitin	07:05:22	-72.0	Dark	Up	67.6	109.7	Up	06:50:22 - 07:20:22	8093
CU-SBO	07:05:22	-72.1	Dark	Up	67.5	109.4	Up	06:50:22 - 07:20:22	8086
Bishop	07:06:10	-72.9	Dark	Up	58.1	92.5	Up	06:51:10 - 07:21:10	8016
Beatty	07:06:05	-73.9	Dark	Up	59.4	92.8	Up	06:51:05 - 07:21:05	7933
Patrick	07:05:58	-76.2	Dark	Up	61.8	92.1	Up	06:50:58 - 07:20:58	7718
Laughlin/Bullhead City	07:06:00	-76.2	Dark	Up	61.2	91.2	Up	06:51:00 - 07:21:00	7704
Wildwood	07:06:15	-75.5	Dark	Up	57.9	87.2	Up	06:51:15 - 07:21:15	7671
Lake Havasu City	07:06:00	-76.9	Dark	Up	61.4	90.1	Up	06:51:00 - 07:21:00	7627
Idyllwild	07:06:09	-76.7	Dark	Up	59.5	87.5	Up	06:51:09 - 07:21:09	7593
Calipatria	07:06:06	-77.7	Dark	Up	60.4	87.0	Up	06:51:06 - 07:21:06	7503
George/Scottsdale	07:05:52	-78.3	Dark	Up	63.4	90.0	Up	06:50:52 - 07:20:52	7498
Yuma	07:06:03	-78.5	Dark	Up	61.1	86.7	Up	06:51:03 - 07:21:03	7438

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, (2028/12/04 07:04UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 15.04  15
Alhena         06:37:42.8 +16:23:56  1.9 13.38   7
53 Aur         06:38:23.0 +28:59:03  5.5  0.85   6
PPM 096309     06:39:09.0 +29:44:27  8.2  0.47   6
PPM 096259     06:37:20.7 +29:52:07  9.7  0.12   6
84922          06:36:59.2 +29:46:52 16.8         6
Positions are for J2000

Event circumstances last updated at 2024/03/08 02:59:48 UT

RECON