RECON: TNO occultation with 84522

Event between (84522) 02TC302 and star GA1300:00977462 with event index number of 2546211

Geocentric closest approach at 2028/11/26 03:28:01 UTC

J2000 position of star is 03:13:10.3 +40:17:43
Equinox of date position of star is 03:14:45.2 +40:23:04
Stellar brightness G=14.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 60 degrees from the moon. Moon is 70% illuminated.
Apparent brightness V=20.2

[RECON map]
Object is 42.3 AU from the Sun and 41.3 AU from the Earth.
Apparent velocity is 25.5 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 87 seconds.
The 1-sigma cross-track error in the shadow position is 2245 km.
The sky-plane scale is 29981.1 km/arcsec.

The object has an absolute magnitude Hv=3.9
Diameter=981.8 km assuming a 5% albedo -- 38.8 sec chord
Diameter=400.8 km assuming a 30% albedo -- 15.8 sec chord
Dynamical classification is 5:2EEE
 
 
 
 
 
 

Star training set for 84522, (2028/11/26 03:29UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:34.9 +16:33:55  0.8 29.78  73
Algol          03:10:03.7 +41:03:53  2.1  1.16  59
28Ome Per      03:13:10.0 +39:43:08  5.8  0.77  59
PPM 045952     03:15:57.5 +40:18:27  8.5  0.20  60
PPM 045937     03:15:06.5 +40:22:14 10.9  0.03  60
84522          03:15:03.7 +40:24:07 14.7        60
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 25.4 km RECON observability=1.0 and success probability=0.2%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Kamloops	03:29:43	-32.0	Dark	Up	53.8	86.5	Up	03:22:00 - 03:37:26	8589
Victoria	03:29:54	-30.2	Dark	Up	51.6	81.7	Up	03:22:11 - 03:37:37	8581
Peachland	03:29:45	-32.5	Dark	Up	54.1	85.7	Up	03:22:02 - 03:37:28	8496
Kelowna	03:29:45	-32.6	Dark	Up	54.3	86.1	Up	03:22:02 - 03:37:28	8490
Summerland	03:29:46	-32.5	Dark	Up	54.2	85.6	Up	03:22:03 - 03:37:29	8481
Penticton	03:29:46	-32.6	Dark	Up	54.2	85.6	Up	03:22:03 - 03:37:29	8471
Oliver	03:29:47	-32.6	Dark	Up	54.2	85.1	Up	03:22:04 - 03:37:30	8446
Anarchist Mountain Observatory	03:29:47	-32.8	Dark	Up	54.3	85.0	Up	03:22:04 - 03:37:30	8424
Okanogan	03:29:50	-32.7	Dark	Up	54.1	83.9	Up	03:22:07 - 03:37:33	8388
Manson/Chelan	03:29:52	-32.4	Dark	Up	53.7	82.9	Up	03:22:09 - 03:37:35	8380
Brewster	03:29:51	-32.6	Dark	Up	54.0	83.4	Up	03:22:08 - 03:37:34	8377
Wenatchee	03:29:54	-32.3	Dark	Up	53.5	82.2	Up	03:22:11 - 03:37:37	8353
Ellensburg	03:29:55	-32.2	Dark	Up	53.3	81.5	Up	03:22:12 - 03:37:38	8334
Yakima	03:29:57	-32.2	Dark	Up	53.2	81.0	Up	03:22:14 - 03:37:40	8305
Toppenish/White Swan	03:29:57	-32.3	Dark	Up	53.3	80.8	Up	03:22:14 - 03:37:40	8281
The Dalles	03:30:01	-31.8	Dark	Up	52.7	79.3	Up	03:22:18 - 03:37:44	8263
Maupin	03:30:02	-31.9	Dark	Up	52.7	78.8	Up	03:22:19 - 03:37:45	8227
Sisters	03:30:06	-31.6	Dark	Up	52.1	77.5	Up	03:22:23 - 03:37:49	8187
PNWRO	03:29:56	-33.4	Dark	Up	54.3	81.1	Up	03:22:13 - 03:37:39	8180
Bend	03:30:06	-31.8	Dark	Up	52.3	77.3	Up	03:22:23 - 03:37:49	8156
Oregon Observatory	03:30:07	-31.7	Dark	Up	52.1	77.0	Up	03:22:24 - 03:37:50	8150
Sleaford	03:29:16	-40.4	Dark	Up	62.6	101.0	Up	03:21:33 - 03:36:59	8085
Chiloquin	03:30:12	-31.4	Dark	Up	51.6	75.2	Up	03:22:29 - 03:37:55	8073
Klamath Falls	03:30:12	-31.4	Dark	Up	51.5	74.8	Up	03:22:29 - 03:37:55	8043
Fall River/Burney	03:30:16	-31.7	Dark	Up	51.5	73.6	Up	03:22:33 - 03:37:59	7933
Cedarville	03:30:12	-32.6	Dark	Up	52.5	74.6	Up	03:22:29 - 03:37:55	7904
Greenville	03:30:18	-32.0	Dark	Up	51.6	72.6	Up	03:22:35 - 03:38:01	7838
Gimple	03:30:18	-32.1	Dark	Up	51.6	72.7	Up	03:22:35 - 03:38:01	7834
Quincy	03:30:18	-32.0	Dark	Up	51.5	72.4	Up	03:22:35 - 03:38:01	7823
Portola	03:30:18	-32.4	Dark	Up	51.8	72.4	Up	03:22:35 - 03:38:01	7787
Reno	03:30:18	-32.9	Dark	Up	52.2	72.3	Up	03:22:35 - 03:38:01	7730
Carson City	03:30:19	-32.9	Dark	Up	52.1	71.9	Up	03:22:36 - 03:38:02	7701
Gardnerville	03:30:19	-32.9	Dark	Up	52.1	71.6	Up	03:22:36 - 03:38:02	7679
Yerington	03:30:19	-33.4	Dark	Up	52.5	71.8	Up	03:22:36 - 03:38:02	7650
Hawthorne	03:30:19	-33.8	Dark	Up	52.8	71.4	Up	03:22:36 - 03:38:02	7584
Lee Vining	03:30:21	-33.4	Dark	Up	52.2	70.6	Up	03:22:38 - 03:38:04	7566
Bishop	03:30:22	-34.0	Dark	Up	52.6	70.1	Up	03:22:39 - 03:38:05	7477
Beatty	03:30:20	-35.2	Dark	Up	53.6	69.9	Up	03:22:37 - 03:38:03	7348
Wildwood	03:30:24	-33.6	Dark	Up	51.2	66.1	Up	03:22:41 - 03:38:07	7224
Idyllwild	03:30:24	-35.2	Dark	Up	52.5	66.0	Up	03:22:41 - 03:38:07	7083
Laughlin/Bullhead City	03:30:20	-37.0	Dark	Up	54.7	68.0	Up	03:22:37 - 03:38:03	7081
Patrick	03:30:18	-37.6	Dark	Up	55.3	68.5	Up	03:22:35 - 03:38:01	7062
Dunrhomin	03:29:46	-43.9	Dark	Up	63.2	78.2	Up	03:22:03 - 03:37:29	7034
Nikitin	03:29:46	-44.0	Dark	Up	63.1	77.9	Up	03:22:03 - 03:37:29	7019
CU-SBO	03:29:47	-43.9	Dark	Up	63.0	77.7	Up	03:22:04 - 03:37:30	7017
Lake Havasu City	03:30:21	-37.2	Dark	Up	54.6	67.2	Up	03:22:38 - 03:38:04	7009
Calipatria	03:30:24	-36.1	Dark	Up	53.1	65.4	Up	03:22:41 - 03:38:07	6962
Yuma	03:30:24	-36.9	Dark	Up	53.6	64.9	Up	03:22:41 - 03:38:07	6874
George/Scottsdale	03:30:18	-39.2	Dark	Up	56.2	66.4	Up	03:22:35 - 03:38:01	6804

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 84522, (2028/11/26 03:29UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 29.78  73
Algol          03:08:10.1 +40:57:20  2.1  1.16  59
28Ome Per      03:11:17.3 +39:36:41  5.8  0.77  59
PPM 045952     03:14:04.0 +40:12:05  8.5  0.20  60
PPM 045937     03:13:13.1 +40:15:50 10.9  0.03  60
84522          03:13:10.3 +40:17:43 14.7        60
Positions are for J2000

Event circumstances last updated at 2024/03/08 02:59:30 UT

RECON