RECON: TNO occultation with 148780

Event between (148780) Altjira and star GA1180:01282086 with event index number of 1378208

Geocentric closest approach at 2024/11/11 08:20:17 UTC

J2000 position of star is 05:14:42.2 +28:13:05
Equinox of date position of star is 05:16:09.0 +28:14:34
Stellar brightness G=15.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 94 degrees from the moon. Moon is 73% illuminated.
Apparent brightness V=22.5

[RECON map]
Object is 46.2 AU from the Sun and 45.4 AU from the Earth.
Apparent velocity is 21.8 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 544 seconds.
The 1-sigma cross-track error in the shadow position is 2087 km.
The sky-plane scale is 32897.7 km/arcsec.

The object has an absolute magnitude Hv=5.8
Diameter=416.9 km assuming a 5% albedo -- 19.6 sec chord
Diameter=170.2 km assuming a 30% albedo -- 8.0 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 148780, (2024/11/11 08:20UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:21.0 +16:33:27  0.8 14.73  83
Alnath         05:27:51.9 +28:37:34  1.6  2.58  96
PPM 094294     05:22:33.2 +27:58:48  6.3  1.41  95
PPM 094235     05:18:50.0 +28:55:48  7.4  0.89  94
PPM 094186     05:15:30.9 +28:15:05  9.6  0.17  93
148780         05:16:16.1 +28:14:41 15.6        94
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 1.7 sigma about the mid-time.
The median site spacing is 31.0 km RECON observability=1.0 and success probability=25.8%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Sleaford	08:20:44	-50.9	Dark	Down	65.3	162.0	Up	08:05:44 - 08:35:44	477
Kamloops	08:21:29	-56.1	Dark	Up	61.8	134.1	Up	08:06:29 - 08:36:29	473
Kelowna	08:21:27	-56.8	Dark	Up	62.7	134.4	Up	08:06:27 - 08:36:27	380
Peachland	08:21:29	-56.9	Dark	Up	62.7	133.8	Up	08:06:29 - 08:36:29	373
Summerland	08:21:28	-57.0	Dark	Up	62.8	133.7	Up	08:06:28 - 08:36:28	357
Penticton	08:21:28	-57.1	Dark	Up	62.9	133.8	Up	08:06:28 - 08:36:28	348
Oliver	08:21:29	-57.4	Dark	Up	63.2	133.3	Up	08:06:29 - 08:36:29	313
Victoria	08:21:42	-58.7	Dark	Up	61.7	126.4	Up	08:06:42 - 08:36:42	303
Anarchist Mountain Observatory	08:21:28	-57.6	Dark	Up	63.4	133.4	Up	08:06:28 - 08:36:28	293
Okanogan	08:21:30	-58.2	Dark	Up	63.7	132.1	Up	08:06:30 - 08:36:30	231
Brewster	08:21:31	-58.5	Dark	Up	63.8	131.3	Up	08:06:31 - 08:36:31	206
Manson/Chelan	08:21:32	-58.8	Dark	Up	63.7	130.4	Up	08:06:32 - 08:36:32	190
Wenatchee	08:21:34	-59.3	Dark	Up	64.0	129.4	Up	08:06:34 - 08:36:34	145
Ellensburg	08:21:35	-59.7	Dark	Up	64.1	128.4	Up	08:06:35 - 08:36:35	106
Yakima	08:21:36	-60.1	Dark	Up	64.3	127.7	Up	08:06:36 - 08:36:36	64
Toppenish/White Swan	08:21:35	-60.3	Dark	Up	64.6	127.6	Up	08:06:35 - 08:36:35	40
PNWRO	08:21:31	-60.3	Dark	Up	65.6	129.5	Up	08:06:31 - 08:36:31	-20
The Dalles	08:21:39	-61.2	Dark	Up	64.6	125.1	Up	08:06:39 - 08:36:39	-28
Maupin	08:21:39	-61.5	Dark	Up	64.9	124.5	Up	08:06:39 - 08:36:39	-73
Sisters	08:21:42	-62.5	Dark	Up	65.1	122.2	Up	08:06:42 - 08:36:42	-156
Bend	08:21:42	-62.7	Dark	Up	65.4	122.2	Up	08:06:42 - 08:36:42	-184
Oregon Observatory	08:21:43	-62.9	Dark	Up	65.4	121.6	Up	08:06:43 - 08:36:43	-200
Chiloquin	08:21:46	-64.2	Dark	Up	65.8	118.5	Up	08:06:46 - 08:36:46	-330
Klamath Falls	08:21:46	-64.5	Dark	Up	66.0	118.0	Up	08:06:46 - 08:36:46	-367
Cedarville	08:21:42	-64.8	Dark	Up	67.4	118.9	Up	08:06:42 - 08:36:42	-466
Fall River/Burney	08:21:46	-65.5	Dark	Up	66.8	116.1	Up	08:06:46 - 08:36:46	-497
Greenville	08:21:46	-66.3	Dark	Up	67.5	114.8	Up	08:06:46 - 08:36:46	-600
Gimple	08:21:46	-66.3	Dark	Up	67.6	114.9	Up	08:06:46 - 08:36:46	-602
Quincy	08:21:46	-66.5	Dark	Up	67.6	114.4	Up	08:06:46 - 08:36:46	-622
Portola	08:21:45	-66.5	Dark	Up	68.0	114.8	Up	08:06:45 - 08:36:45	-643
Reno	08:21:43	-66.5	Dark	Up	68.5	115.1	Up	08:06:43 - 08:36:43	-682
Carson City	08:21:43	-66.8	Dark	Up	68.7	114.3	Up	08:06:43 - 08:36:43	-720
Gardnerville	08:21:43	-67.0	Dark	Up	68.8	113.8	Up	08:06:43 - 08:36:43	-747
Yerington	08:21:41	-66.8	Dark	Up	69.2	114.8	Up	08:06:41 - 08:36:41	-751
Dunrhomin	08:20:48	-59.3	Dark	Up	76.4	150.0	Up	08:05:48 - 08:35:48	-771
Nikitin	08:20:48	-59.4	Dark	Up	76.6	149.5	Up	08:05:48 - 08:35:48	-790
CU-SBO	08:20:48	-59.5	Dark	Up	76.6	149.1	Up	08:05:48 - 08:35:48	-797
Hawthorne	08:21:40	-67.0	Dark	Up	69.8	114.4	Up	08:06:40 - 08:36:40	-809
Lee Vining	08:21:42	-67.7	Dark	Up	69.7	112.3	Up	08:06:42 - 08:36:42	-862
Bishop	08:21:40	-68.0	Dark	Up	70.4	111.8	Up	08:06:40 - 08:36:40	-937
Beatty	08:21:34	-67.7	Dark	Up	71.8	113.0	Up	08:06:34 - 08:36:34	-1012
Patrick	08:21:25	-67.5	Dark	Up	74.5	113.1	Up	08:06:25 - 08:36:25	-1213
Laughlin/Bullhead City	08:21:28	-68.1	Dark	Up	74.1	111.1	Up	08:06:28 - 08:36:28	-1230
Wildwood	08:21:44	-70.9	Dark	Up	71.2	102.6	Up	08:06:44 - 08:36:44	-1287
Lake Havasu City	08:21:27	-68.4	Dark	Up	74.5	109.3	Up	08:06:27 - 08:36:27	-1307
Idyllwild	08:21:38	-70.3	Dark	Up	72.8	103.6	Up	08:06:38 - 08:36:38	-1355
George/Scottsdale	08:21:18	-67.5	Dark	Up	76.6	110.5	Up	08:06:18 - 08:36:18	-1423
Calipatria	08:21:33	-70.1	Dark	Up	73.9	103.0	Up	08:06:33 - 08:36:33	-1439
Yuma	08:21:30	-69.9	Dark	Up	74.7	102.6	Up	08:06:30 - 08:36:30	-1499

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 148780, (2024/11/11 08:20UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 14.73  83
Alnath         05:26:17.6 +28:36:23  1.6  2.58  96
PPM 094294     05:20:59.3 +27:57:25  6.3  1.41  95
PPM 094235     05:17:15.5 +28:54:17  7.4  0.89  94
PPM 094186     05:13:57.0 +28:13:27  9.6  0.17  93
148780         05:14:42.2 +28:13:05 15.6        93
Positions are for J2000

Event circumstances last updated at 2022/12/24 04:08:20 UT

RECON