RECON: TNO occultation with 16AN278

Event between 16AN278 and star GA1000:03262401 with event index number of 2665405

Geocentric closest approach at 2029/01/06 12:12:35 UTC

J2000 position of star is 08:50:29.1 +11:20:27
Equinox of date position of star is 08:51:44.9 +11:15:11
Stellar brightness G=13.7, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 50 degrees from the moon. Moon is 62% illuminated.
Apparent brightness V=22.7

[RECON map]
Object is 37.6 AU from the Sun and 36.7 AU from the Earth.
Apparent velocity is 22.0 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 475 seconds.
The 1-sigma cross-track error in the shadow position is 4157 km.
The sky-plane scale is 26651.8 km/arcsec.

The object has an absolute magnitude Hv=6.9
Diameter=245.5 km assuming a 5% albedo -- 11.2 sec chord
Diameter=100.2 km assuming a 30% albedo -- 4.6 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 16AN278, (2029/01/06 12:02UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:54.9 +11:49:27  1.3 19.07  33
50 Cnc         08:48:31.3 +12:00:06  5.9  1.16  51
PPM 125835     08:53:31.1 +11:01:31  8.2  0.41  50
PPM 125800     08:51:54.7 +11:14:56  9.0  0.04  50
16AN278        08:52:04.1 +11:13:52 13.7        50
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 1.9 sigma about the mid-time.
The median site spacing is 19.4 km RECON observability=1.0 and success probability=11.2%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Sleaford	12:11:07	-26.4	Dark	Up	32.5	244.0	Up	11:56:07 - 12:26:07	1730
Kamloops	12:11:32	-35.4	Dark	Up	40.8	230.0	Up	11:56:32 - 12:26:32	1345
Kelowna	12:11:28	-34.9	Dark	Up	40.9	231.5	Up	11:56:28 - 12:26:28	1307
Peachland	12:11:28	-35.1	Dark	Up	41.1	231.3	Up	11:56:28 - 12:26:28	1293
Summerland	12:11:27	-35.1	Dark	Up	41.1	231.5	Up	11:56:27 - 12:26:27	1285
Penticton	12:11:27	-35.0	Dark	Up	41.1	231.6	Up	11:56:27 - 12:26:27	1282
Oliver	12:11:26	-35.0	Dark	Up	41.3	231.9	Up	11:56:26 - 12:26:26	1257
Anarchist Mountain Observatory	12:11:25	-34.9	Dark	Up	41.3	232.2	Up	11:56:25 - 12:26:25	1250
Okanogan	12:11:24	-35.1	Dark	Up	41.9	232.4	Up	11:56:24 - 12:26:24	1198
Brewster	12:11:23	-35.3	Dark	Up	42.1	232.4	Up	11:56:23 - 12:26:23	1174
Manson/Chelan	12:11:23	-35.6	Dark	Up	42.4	232.1	Up	11:56:23 - 12:26:23	1151
Victoria	12:11:34	-37.6	Dark	Up	43.7	228.0	Up	11:56:34 - 12:26:34	1127
Wenatchee	12:11:22	-35.7	Dark	Up	42.8	232.2	Up	11:56:22 - 12:26:22	1112
Ellensburg	12:11:22	-35.9	Dark	Up	43.2	232.3	Up	11:56:22 - 12:26:22	1077
Yakima	12:11:21	-36.0	Dark	Up	43.5	232.6	Up	11:56:21 - 12:26:21	1046
PNWRO	12:11:14	-34.9	Dark	Up	42.9	234.8	Up	11:56:14 - 12:26:14	1039
Toppenish/White Swan	12:11:20	-35.9	Dark	Up	43.5	232.9	Up	11:56:20 - 12:26:20	1033
The Dalles	12:11:20	-36.5	Dark	Up	44.4	232.6	Up	11:56:20 - 12:26:20	956
Maupin	12:11:18	-36.4	Dark	Up	44.6	233.1	Up	11:56:18 - 12:26:18	926
Dunrhomin	12:10:23	-24.7	Dark	Up	36.6	252.1	Up	11:55:23 - 12:25:23	926
Nikitin	12:10:22	-24.7	Dark	Up	36.7	252.2	Up	11:55:22 - 12:25:22	911
CU-SBO	12:10:22	-24.7	Dark	Up	36.8	252.2	Up	11:55:22 - 12:25:22	904
Sisters	12:11:17	-36.8	Dark	Up	45.4	233.2	Up	11:56:17 - 12:26:17	847
Bend	12:11:15	-36.7	Dark	Up	45.4	233.7	Up	11:56:15 - 12:26:15	834
Oregon Observatory	12:11:16	-36.8	Dark	Up	45.6	233.7	Up	11:56:16 - 12:26:16	818
Chiloquin	12:11:13	-37.2	Dark	Up	46.6	234.3	Up	11:56:13 - 12:26:13	703
Klamath Falls	12:11:12	-37.1	Dark	Up	46.8	234.7	Up	11:56:12 - 12:26:12	677
Cedarville	12:11:05	-36.0	Dark	Up	46.2	237.1	Up	11:56:05 - 12:26:05	659
Fall River/Burney	12:11:07	-36.9	Dark	Up	47.2	236.1	Up	11:56:07 - 12:26:07	590
Gimple	12:11:03	-36.5	Dark	Up	47.4	237.5	Up	11:56:03 - 12:26:03	528
Greenville	12:11:03	-36.6	Dark	Up	47.4	237.4	Up	11:56:03 - 12:26:03	526
Portola	12:11:01	-36.2	Dark	Up	47.3	238.3	Up	11:56:01 - 12:26:01	511
Quincy	12:11:03	-36.6	Dark	Up	47.6	237.6	Up	11:56:03 - 12:26:03	509
Reno	12:10:59	-35.7	Dark	Up	47.0	239.2	Up	11:55:59 - 12:25:59	505
Carson City	12:10:58	-35.7	Dark	Up	47.2	239.5	Up	11:55:58 - 12:25:58	475
Yerington	12:10:55	-35.2	Dark	Up	46.9	240.4	Up	11:55:55 - 12:25:55	475
Gardnerville	12:10:57	-35.7	Dark	Up	47.3	239.8	Up	11:55:57 - 12:25:57	456
Hawthorne	12:10:52	-34.8	Dark	Up	46.7	241.3	Up	11:55:52 - 12:25:52	449
Lee Vining	12:10:52	-35.1	Dark	Up	47.4	241.4	Up	11:55:52 - 12:25:52	389
Beatty	12:10:42	-33.2	Dark	Up	46.2	244.7	Up	11:55:42 - 12:25:42	359
Bishop	12:10:48	-34.6	Dark	Up	47.1	242.7	Up	11:55:48 - 12:25:48	356
Patrick	12:10:30	-30.8	Dark	Up	44.7	248.7	Up	11:55:30 - 12:25:30	307
Laughlin/Bullhead City	12:10:31	-31.3	Dark	Up	45.3	248.3	Up	11:55:31 - 12:25:31	267
Lake Havasu City	12:10:28	-31.1	Dark	Up	45.4	249.1	Up	11:55:28 - 12:25:28	215
George/Scottsdale	12:10:19	-29.0	Dark	Up	43.7	251.9	Up	11:55:19 - 12:25:19	214
Idyllwild	12:10:33	-32.9	Dark	Up	47.5	247.8	Up	11:55:33 - 12:25:33	85
Wildwood	12:10:40	-34.5	Dark	Up	48.7	245.7	Up	11:55:40 - 12:25:40	65
Calipatria	12:10:28	-31.9	Dark	Up	46.8	249.4	Up	11:55:28 - 12:25:28	62
Yuma	12:10:24	-31.1	Dark	Up	46.2	250.6	Up	11:55:24 - 12:25:24	48

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 16AN278, (2029/01/06 12:02UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:21.9 +11:58:02  1.3 19.07  33
50 Cnc         08:46:55.9 +12:06:34  5.9  1.16  51
PPM 125835     08:51:56.3 +11:08:09  8.2  0.41  50
PPM 125800     08:50:19.8 +11:21:31  9.0  0.04  50
16AN278        08:50:29.1 +11:20:27 13.7        50
Positions are for J2000

Event circumstances last updated at 2023/03/04 22:33:46 UT

RECON