RECON: TNO occultation with 469708

Event between (469708) 05GE187 and star GA0840:12706226 with event index number of 2817940

Geocentric closest approach at 2029/07/24 06:49:26 UTC

J2000 position of star is 18:47:48.8 -04:23:11
Equinox of date position of star is 18:49:01.7 -04:21:34
Stellar brightness G=14.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 18 degrees from the moon. Moon is 98% illuminated.
Apparent brightness V=21.9

[RECON map]
Object is 26.6 AU from the Sun and 25.7 AU from the Earth.
Apparent velocity is 21.2 km/sec on the sky relative to the star, or, 4.1 arcsec/hr.
The 1-sigma error in the time of the event is 177 seconds.
The 1-sigma cross-track error in the shadow position is 1431 km.
The sky-plane scale is 18639.4 km/arcsec.

The object has an absolute magnitude Hv=7.6
Diameter=184.5 km assuming a 5% albedo -- 8.7 sec chord
Diameter=75.3 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 469708, (2029/07/24 06:49UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:13.5 -26:29:42  0.9 39.74  36
60Bet Oph      17:44:56.1 +04:33:25  2.8 18.40  33
Bet Sct        18:48:44.6 -04:42:50  4.2  0.40  17
PPM 202191     18:51:42.2 -03:35:13  7.0  0.96  18
PPM 202145     18:49:42.5 -04:29:32  9.4  0.16  18
469708         18:49:22.6 -04:21:06 14.8        18
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 5.1 sigma about the mid-time.
The median site spacing is 21.0 km RECON observability=1.0 and success probability=0.5%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Kamloops	06:48:30	-17.4	AT	Up	34.9	182.5	Up	06:33:30 - 07:03:30	6603
Kelowna	06:48:29	-18.4	Dark	Up	35.7	183.7	Up	06:33:29 - 07:03:29	6538
Peachland	06:48:29	-18.4	Dark	Up	35.8	183.3	Up	06:33:29 - 07:03:29	6535
Summerland	06:48:29	-18.6	Dark	Up	36.0	183.4	Up	06:33:29 - 07:03:29	6524
Penticton	06:48:28	-18.6	Dark	Up	36.0	183.6	Up	06:33:28 - 07:03:28	6518
Victoria	06:48:43	-18.7	Dark	Up	37.1	178.9	Up	06:33:43 - 07:03:43	6510
Oliver	06:48:28	-19.0	Dark	Up	36.4	183.6	Up	06:33:28 - 07:03:28	6495
Anarchist Mountain Observatory	06:48:28	-19.2	Dark	Up	36.5	183.8	Up	06:33:28 - 07:03:28	6481
Sleaford	06:47:46	-18.0	AT	Up	31.8	199.3	Up	06:32:46 - 07:02:46	6477
Okanogan	06:48:29	-19.7	Dark	Up	37.2	183.6	Up	06:33:29 - 07:03:29	6441
Brewster	06:48:29	-20.0	Dark	Up	37.5	183.3	Up	06:33:29 - 07:03:29	6426
Manson/Chelan	06:48:32	-20.1	Dark	Up	37.7	182.9	Up	06:33:32 - 07:03:32	6418
Wenatchee	06:48:32	-20.5	Dark	Up	38.2	182.7	Up	06:33:32 - 07:03:32	6389
Ellensburg	06:48:34	-20.8	Dark	Up	38.6	182.5	Up	06:33:34 - 07:03:34	6364
Yakima	06:48:34	-21.2	Dark	Up	39.0	182.4	Up	06:33:34 - 07:03:34	6336
Toppenish/White Swan	06:48:33	-21.4	Dark	Up	39.2	182.7	Up	06:33:33 - 07:03:33	6319
The Dalles	06:48:36	-22.0	Dark	Up	40.0	181.7	Up	06:33:36 - 07:03:36	6277
PNWRO	06:48:28	-22.1	Dark	Up	39.5	184.6	Up	06:33:28 - 07:03:28	6269
Maupin	06:48:36	-22.4	Dark	Up	40.4	181.8	Up	06:33:36 - 07:03:36	6246
Sisters	06:48:39	-23.1	Dark	Up	41.3	181.2	Up	06:33:39 - 07:03:39	6192
Bend	06:48:37	-23.4	Dark	Up	41.5	181.6	Up	06:33:37 - 07:03:37	6170
Oregon Observatory	06:48:38	-23.5	Dark	Up	41.7	181.4	Up	06:33:38 - 07:03:38	6160
Chiloquin	06:48:40	-24.6	Dark	Up	43.0	180.9	Up	06:33:40 - 07:03:40	6070
Klamath Falls	06:48:40	-25.0	Dark	Up	43.4	181.0	Up	06:33:40 - 07:03:40	6043
Cedarville	06:48:35	-26.0	Dark	Up	44.0	183.2	Up	06:33:35 - 07:03:35	5963
Fall River/Burney	06:48:41	-26.2	Dark	Up	44.6	181.5	Up	06:33:41 - 07:03:41	5947
Greenville	06:48:39	-27.1	Dark	Up	45.5	182.2	Up	06:33:39 - 07:03:39	5870
Gimple	06:48:39	-27.2	Dark	Up	45.5	182.3	Up	06:33:39 - 07:03:39	5868
Quincy	06:48:39	-27.3	Dark	Up	45.7	182.2	Up	06:33:39 - 07:03:39	5854
Portola	06:48:37	-27.6	Dark	Up	45.8	182.9	Up	06:33:37 - 07:03:37	5836
Reno	06:48:35	-28.0	Dark	Up	46.0	183.8	Up	06:33:35 - 07:03:35	5803
Carson City	06:48:35	-28.3	Dark	Up	46.4	183.9	Up	06:33:35 - 07:03:35	5774
Gardnerville	06:48:35	-28.6	Dark	Up	46.6	184.0	Up	06:33:35 - 07:03:35	5754
Yerington	06:48:33	-28.7	Dark	Up	46.5	184.8	Up	06:33:33 - 07:03:33	5747
Hawthorne	06:48:31	-29.3	Dark	Up	46.9	185.6	Up	06:33:31 - 07:03:31	5700
Lee Vining	06:48:33	-29.7	Dark	Up	47.5	184.9	Up	06:33:33 - 07:03:33	5664
Bishop	06:48:30	-30.4	Dark	Up	48.1	186.1	Up	06:33:30 - 07:03:30	5601
Dunrhomin	06:47:39	-29.8	Dark	Up	42.7	203.5	Up	06:32:39 - 07:02:39	5591
Nikitin	06:47:39	-30.0	Dark	Up	42.9	203.5	Up	06:32:39 - 07:02:39	5576
CU-SBO	06:47:39	-30.0	Dark	Up	42.9	203.4	Up	06:32:39 - 07:02:39	5572
Beatty	06:48:25	-31.3	Dark	Up	48.4	188.5	Up	06:33:25 - 07:03:25	5532
Patrick	06:48:13	-33.3	Dark	Up	49.4	193.1	Up	06:33:13 - 07:03:13	5351
Laughlin/Bullhead City	06:48:16	-33.4	Dark	Up	49.8	192.1	Up	06:33:16 - 07:03:16	5344
Wildwood	06:48:33	-33.4	Dark	Up	51.3	186.2	Up	06:33:33 - 07:03:33	5330
Lake Havasu City	06:48:16	-34.1	Dark	Up	50.4	192.7	Up	06:33:16 - 07:03:16	5281
Idyllwild	06:48:26	-34.3	Dark	Up	51.5	189.2	Up	06:33:26 - 07:03:26	5263
Calipatria	06:48:22	-35.2	Dark	Up	51.9	191.2	Up	06:33:22 - 07:03:22	5186
George/Scottsdale	06:48:06	-35.4	Dark	Up	50.6	196.7	Up	06:33:06 - 07:03:06	5165
Yuma	06:48:18	-35.8	Dark	Up	52.2	192.7	Up	06:33:18 - 07:03:18	5130

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 469708, (2029/07/24 06:49UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 39.74  36
60Bet Oph      17:43:28.3 +04:34:06  2.8 18.40  33
Bet Sct        18:47:10.5 -04:44:53  4.2  0.40  17
PPM 202191     18:50:08.9 -03:37:23  7.0  0.96  18
PPM 202145     18:48:08.5 -04:31:37  9.4  0.16  18
469708         18:47:48.8 -04:23:11 14.8        18
Positions are for J2000

Event circumstances last updated at 2022/12/15 10:20:03 UT

RECON