RECON: TNO occultation with 310071

Event between (310071) 10KR59 and star GA0540:19336975 with event index number of 2752367

Geocentric closest approach at 2029/05/10 10:46:44 UTC

J2000 position of star is 17:32:14.7 -35:35:58
Equinox of date position of star is 17:33:52.0 -35:36:55
Stellar brightness G=14.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 112 degrees from the moon. Moon is 9% illuminated.
Apparent brightness V=21.9

[RECON map]
Object is 25.0 AU from the Sun and 24.2 AU from the Earth.
Apparent velocity is 19.6 km/sec on the sky relative to the star, or, 4.0 arcsec/hr.
The 1-sigma error in the time of the event is 120 seconds.
The 1-sigma cross-track error in the shadow position is 1346 km.
The sky-plane scale is 17566.4 km/arcsec.

The object has an absolute magnitude Hv=7.8
Diameter=163.7 km assuming a 5% albedo -- 8.3 sec chord
Diameter=66.8 km assuming a 30% albedo -- 3.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 310071, (2029/05/10 10:47UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.7 -26:29:40  0.9 16.25 126
34Ups Sco      17:32:45.8 -37:18:58  2.7  1.72 112
PPM 296389     17:30:55.4 -36:47:59  6.1  1.36 113
PPM 296428     17:33:04.7 -35:55:13  7.8  0.38 112
PPM 296480     17:35:14.6 -35:39:00  9.1  0.21 112
310071         17:34:12.9 -35:37:06 14.9       112
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 0.0 km RECON observability=0.1 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)
Victoria	10:45:26	-15.2	AT	Down	5.8	182.8	Really Low	10:34:59 - 10:55:54	9871
Kamloops	10:45:16	-12.3	AT	Up	3.5	185.2	Really Low	10:34:49 - 10:55:44	9838
Peachland	10:45:14	-12.8	AT	Up	4.4	185.7	Really Low	10:34:46 - 10:55:41	9817
Summerland	10:45:14	-12.9	AT	Up	4.6	185.8	Really Low	10:34:47 - 10:55:42	9814
Kelowna	10:45:13	-12.6	AT	Up	4.3	185.9	Really Low	10:34:45 - 10:55:40	9812
Penticton	10:45:13	-12.9	AT	Up	4.6	185.9	Really Low	10:34:46 - 10:55:41	9811
Oliver	10:45:13	-13.1	AT	Up	5.0	185.9	Really Low	10:34:45 - 10:55:40	9806
Manson/Chelan	10:45:15	-14.4	AT	Down	6.3	185.4	Really Low	10:34:47 - 10:55:42	9801
Anarchist Mountain Observatory	10:45:13	-13.2	AT	Up	5.1	186.0	Really Low	10:34:45 - 10:55:40	9801
Wenatchee	10:45:16	-14.8	AT	Down	6.8	185.3	Really Low	10:34:48 - 10:55:43	9797
Brewster	10:45:14	-14.0	AT	Down	6.1	185.7	Really Low	10:34:46 - 10:55:41	9797
Okanogan	10:45:13	-13.8	AT	Up	5.8	185.9	Really Low	10:34:45 - 10:55:40	9796
Ellensburg	10:45:16	-15.2	AT	Down	7.2	185.1	Really Low	10:34:48 - 10:55:43	9796
Yakima	10:45:16	-15.5	AT	Down	7.6	185.1	Really Low	10:34:49 - 10:55:44	9789
The Dalles	10:45:18	-16.5	AT	Down	8.6	184.6	Really Low	10:34:51 - 10:55:46	9784
Toppenish/White Swan	10:45:15	-15.6	AT	Down	7.8	185.2	Really Low	10:34:48 - 10:55:43	9782
Maupin	10:45:18	-16.8	AT	Down	9.1	184.7	Really Low	10:34:51 - 10:55:46	9774
Sisters	10:45:19	-17.7	AT	Down	10.0	184.3	Really Low	10:34:51 - 10:55:46	9768
Bend	10:45:17	-17.8	AT	Down	10.2	184.5	Really Low	10:34:50 - 10:55:45	9758
Oregon Observatory	10:45:19	-18.0	AT	Down	10.4	184.4	Really Low	10:34:52 - 10:55:47	9757
PNWRO	10:45:09	-15.2	AT	Down	8.1	186.4	Really Low	10:34:42 - 10:55:37	9744
Chiloquin	10:45:21	-19.2	Dark	Down	11.7	184.1	Really Low	10:34:53 - 10:55:48	9736
Klamath Falls	10:45:20	-19.4	Dark	Down	12.0	184.2	Really Low	10:34:52 - 10:55:47	9726
Fall River/Burney	10:45:18	-20.1	Dark	Down	13.2	184.5	Really Low	10:34:51 - 10:55:46	9688
Cedarville	10:45:14	-19.1	Dark	Down	12.6	185.5	Really Low	10:34:47 - 10:55:42	9674
Greenville	10:45:16	-20.5	Dark	Down	14.1	184.9	Really Low	10:34:49 - 10:55:44	9653
Gimple	10:45:16	-20.5	Dark	Down	14.1	185.0	Really Low	10:34:49 - 10:55:44	9651
Quincy	10:45:16	-20.7	Dark	Down	14.3	184.9	Really Low	10:34:49 - 10:55:44	9647
Portola	10:45:15	-20.5	Dark	Down	14.4	185.3	Really Low	10:34:48 - 10:55:43	9633
Reno	10:45:12	-20.4	Dark	Down	14.6	185.8	Really Low	10:34:45 - 10:55:40	9610
Carson City	10:45:12	-20.6	Dark	Down	14.9	185.9	Really Low	10:34:45 - 10:55:40	9599
Gardnerville	10:45:12	-20.8	Dark	Down	15.2	185.9	Really Low	10:34:44 - 10:55:39	9591
Yerington	10:45:09	-20.4	Dark	Down	15.1	186.4	Really Low	10:34:41 - 10:55:36	9578
Hawthorne	10:45:07	-20.5	Dark	Down	15.5	186.8	Really Low	10:34:40 - 10:55:35	9551
Lee Vining	10:45:09	-21.2	Dark	Down	16.1	186.4	Really Low	10:34:42 - 10:55:37	9545
Sleaford	10:44:32	-4.9	CT	Up	0.5	196.7	Really Low	10:34:04 - 10:54:59	9522
Bishop	10:45:06	-21.2	Dark	Down	16.6	187.1	Really Low	10:34:39 - 10:55:34	9506
Beatty	10:45:00	-20.6	Dark	Down	16.9	188.4	Really Low	10:34:32 - 10:55:27	9448
Wildwood	10:45:07	-23.6	Dark	Down	19.9	187.0	Really Low	10:34:40 - 10:55:35	9390
Idyllwild	10:44:59	-22.7	Dark	Down	20.0	188.6	Low	10:34:31 - 10:55:26	9326
Laughlin/Bullhead City	10:44:51	-20.5	Dark	Up	18.3	190.3	Really Low	10:34:23 - 10:55:18	9322
Patrick	10:44:47	-19.9	Dark	Up	18.0	190.9	Really Low	10:34:20 - 10:55:15	9311
Lake Havasu City	10:44:49	-20.8	Dark	Up	19.0	190.6	Really Low	10:34:21 - 10:55:16	9288
Calipatria	10:44:53	-22.4	Dark	Down	20.5	189.7	Low	10:34:26 - 10:55:21	9266
Yuma	10:44:50	-22.1	Dark	Down	20.8	190.5	Low	10:34:22 - 10:55:17	9221
Dunrhomin	10:44:16	-11.6	NT	Up	11.6	197.6	Really Low	10:33:48 - 10:54:43	9214
CU-SBO	10:44:15	-11.8	NT	Up	11.9	197.5	Really Low	10:33:48 - 10:54:43	9209
Nikitin	10:44:17	-11.7	NT	Up	11.8	197.6	Really Low	10:33:49 - 10:54:44	9208
George/Scottsdale	10:44:38	-19.7	Dark	Up	19.3	192.7	Really Low	10:34:10 - 10:55:05	9181

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 310071, (2029/05/10 10:47UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 16.25 126
34Ups Sco      17:30:45.8 -37:17:46  2.7  1.72 112
PPM 296389     17:28:56.1 -36:46:42  6.1  1.36 113
PPM 296428     17:31:06.3 -35:54:01  7.8  0.38 112
PPM 296480     17:33:16.4 -35:37:54  9.1  0.21 112
310071         17:32:14.7 -35:35:58 14.9       112
Positions are for J2000

Event circumstances last updated at 2024/03/08 03:30:07 UT

RECON