RECON: TNO occultation with 555915

Event between (555915) 14GX53 and star GA0780:05250648 with event index number of 2747400

Geocentric closest approach at 2029/04/22 07:54:28 UTC

J2000 position of star is 16:06:45.1 -11:51:26
Equinox of date position of star is 16:08:03.8 -11:55:10
Stellar brightness G=11.9, use SENSEUP=8 with the MallinCam and and exposure time of 125 milli-seconds with the QHY174 camera.
Star is 113 degrees from the moon. Moon is 56% illuminated.
Apparent brightness V=20.9

[RECON map]
Object is 35.2 AU from the Sun and 34.3 AU from the Earth.
Apparent velocity is 20.2 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 105 seconds.
The 1-sigma cross-track error in the shadow position is 1607 km.
The sky-plane scale is 24882.3 km/arcsec.

The object has an absolute magnitude Hv=5.4
Diameter=498.9 km assuming a 5% albedo -- 25.0 sec chord
Diameter=203.7 km assuming a 30% albedo -- 10.2 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 555915, (2029/04/22 07:53UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.6 -26:29:40  0.9 15.52 121
13Zet Oph      16:38:46.5 -10:37:27  2.6  7.57 120
11 Sco         16:09:14.3 -12:49:19  6.1  0.91 114
PPM 231209     16:08:13.0 -11:58:58  7.9  0.06 113
555915         16:08:22.5 -11:56:03 11.9       114
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 18.2 km RECON observability=1.0 and success probability=32.5%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Sleaford	07:56:37	-24.5	Dark	Up	24.2	160.9	Low	07:47:23 - 08:05:51	-283
Kamloops	07:57:20	-27.0	Dark	Up	21.5	146.1	Low	07:48:06 - 08:06:34	-674
Kelowna	07:57:19	-27.8	Dark	Up	22.5	146.8	Low	07:48:05 - 08:06:33	-706
Peachland	07:57:20	-27.9	Dark	Up	22.5	146.4	Low	07:48:06 - 08:06:34	-720
Summerland	07:57:20	-28.1	Dark	Up	22.7	146.5	Low	07:48:06 - 08:06:34	-727
Penticton	07:57:20	-28.1	Dark	Up	22.7	146.6	Low	07:48:06 - 08:06:34	-729
Oliver	07:57:20	-28.5	Dark	Up	23.0	146.5	Low	07:48:06 - 08:06:34	-752
Anarchist Mountain Observatory	07:57:20	-28.7	Dark	Up	23.3	146.7	Low	07:48:06 - 08:06:34	-758
Okanogan	07:57:21	-29.3	Dark	Up	23.7	146.3	Low	07:48:07 - 08:06:35	-806
Brewster	07:57:22	-29.6	Dark	Up	23.9	146.0	Low	07:48:08 - 08:06:36	-829
Manson/Chelan	07:57:24	-29.8	Dark	Up	23.9	145.6	Low	07:48:10 - 08:06:38	-852
Victoria	07:57:32	-29.1	Dark	Up	22.1	142.6	Low	07:48:18 - 08:06:46	-885
Wenatchee	07:57:25	-30.3	Dark	Up	24.2	145.3	Low	07:48:11 - 08:06:39	-888
Ellensburg	07:57:26	-30.7	Dark	Up	24.5	145.0	Low	07:48:12 - 08:06:40	-922
Yakima	07:57:27	-31.1	Dark	Up	24.8	144.9	Low	07:48:13 - 08:06:41	-950
PNWRO	07:57:22	-31.7	Dark	Up	25.9	146.4	Low	07:48:08 - 08:06:36	-950
Toppenish/White Swan	07:57:26	-31.3	Dark	Up	25.1	145.0	Low	07:48:12 - 08:06:40	-961
Dunrhomin	07:56:40	-35.7	Dark	Up	35.6	159.4	Up	07:47:26 - 08:05:54	-1018
Nikitin	07:56:40	-35.9	Dark	Up	35.7	159.3	Up	07:47:26 - 08:05:54	-1031
The Dalles	07:57:30	-32.1	Dark	Up	25.4	144.0	Low	07:48:16 - 08:06:44	-1035
CU-SBO	07:56:40	-36.0	Dark	Up	35.8	159.2	Up	07:47:26 - 08:05:54	-1038
Maupin	07:57:30	-32.5	Dark	Up	25.8	144.0	Low	07:48:16 - 08:06:44	-1062
Sisters	07:57:33	-33.3	Dark	Up	26.3	143.3	Low	07:48:19 - 08:06:47	-1138
Bend	07:57:32	-33.6	Dark	Up	26.6	143.5	Low	07:48:18 - 08:06:46	-1149
Oregon Observatory	07:57:33	-33.8	Dark	Up	26.7	143.3	Low	07:48:19 - 08:06:47	-1164
Chiloquin	07:57:35	-35.1	Dark	Up	27.5	142.5	Low	07:48:21 - 08:06:49	-1273
Klamath Falls	07:57:36	-35.4	Dark	Up	27.8	142.5	Low	07:48:22 - 08:06:50	-1297
Cedarville	07:57:32	-36.1	Dark	Up	29.1	143.8	Low	07:48:18 - 08:06:46	-1308
Fall River/Burney	07:57:36	-36.6	Dark	Up	28.9	142.5	Low	07:48:22 - 08:06:50	-1377
Gimple	07:57:35	-37.5	Dark	Up	29.9	142.7	Low	07:48:21 - 08:06:49	-1433
Greenville	07:57:36	-37.5	Dark	Up	29.9	142.6	Low	07:48:22 - 08:06:50	-1435
Portola	07:57:35	-37.9	Dark	Up	30.4	142.9	Up	07:48:21 - 08:06:49	-1448
Quincy	07:57:36	-37.7	Dark	Up	30.0	142.5	Up	07:48:22 - 08:06:50	-1451
Reno	07:57:33	-38.1	Dark	Up	30.9	143.5	Up	07:48:19 - 08:06:47	-1451
Yerington	07:57:31	-38.7	Dark	Up	31.6	143.9	Up	07:48:17 - 08:06:45	-1477
Carson City	07:57:33	-38.5	Dark	Up	31.2	143.4	Up	07:48:19 - 08:06:47	-1479
Gardnerville	07:57:33	-38.7	Dark	Up	31.4	143.3	Up	07:48:19 - 08:06:47	-1497
Hawthorne	07:57:29	-39.1	Dark	Up	32.2	144.3	Up	07:48:15 - 08:06:43	-1500
Lee Vining	07:57:32	-39.7	Dark	Up	32.5	143.6	Up	07:48:18 - 08:06:46	-1557
Beatty	07:57:24	-40.7	Dark	Up	34.4	145.6	Up	07:48:10 - 08:06:38	-1578
Bishop	07:57:29	-40.3	Dark	Up	33.3	144.1	Up	07:48:15 - 08:06:43	-1586
Patrick	07:57:14	-41.9	Dark	Up	36.9	148.1	Up	07:48:00 - 08:06:28	-1618
Laughlin/Bullhead City	07:57:17	-42.3	Dark	Up	36.8	147.2	Up	07:48:03 - 08:06:31	-1658
George/Scottsdale	07:57:06	-43.4	Dark	Up	39.2	149.6	Up	07:47:52 - 08:06:20	-1701
Lake Havasu City	07:57:16	-42.9	Dark	Up	37.5	147.2	Up	07:48:02 - 08:06:30	-1706
Idyllwild	07:57:25	-43.8	Dark	Up	37.0	144.4	Up	07:48:11 - 08:06:39	-1837
Calipatria	07:57:21	-44.4	Dark	Up	38.1	145.4	Up	07:48:07 - 08:06:35	-1855
Wildwood	07:57:32	-43.6	Dark	Up	35.8	142.6	Up	07:48:18 - 08:06:46	-1861
Yuma	07:57:18	-44.7	Dark	Up	38.8	146.1	Up	07:48:04 - 08:06:32	-1865

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 555915, (2029/04/22 07:53UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 15.52 121
13Zet Oph      16:37:09.6 -10:34:01  2.6  7.57 120
11 Sco         16:07:36.3 -12:44:44  6.1  0.91 114
PPM 231209     16:06:35.5 -11:54:21  7.9  0.06 113
555915         16:06:45.1 -11:51:26 11.9       113
Positions are for J2000

Event circumstances last updated at 2023/08/30 02:48:52 UT

RECON