RECON: TNO occultation with 517717

Event between (517717) 15KZ120 and star GA1640:00426182 with event index number of 1260144

Geocentric closest approach at 2022/11/17 09:04:25 UTC

J2000 position of star is 02:03:39.9 +74:40:01
Equinox of date position of star is 02:05:31.4 +74:45:42
Stellar brightness G=13.0, use SENSEUP=32
Star is 85 degrees from the moon. Moon is 42% illuminated.
TNO apparent brightness V=20.6

[RECON map]
TNO is 10.9 AU from the Sun and 10.4 AU from the Earth.
The TNO is moving 29.3 km/sec on the sky relative to the star, or, 14.0 arcsec/hr.
The 1-sigma error in the time of the event is 61 seconds.
The 1-sigma cross-track error in the shadow position is 2082 km.
The sky-plane scale is 7521.1 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=60.3 km assuming a 5% albedo -- 2.1 sec chord
Diameter=24.6 km assuming a 30% albedo -- 0.8 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 517717, (2022/11/17 09:04UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:42:12.8 +45:21:47  1.3 44.29 115
PPM 000431     03:01:14.6 +89:21:34  2.0 14.60  76
PPM 004887     02:05:15.1 +73:57:35  6.3  0.82  85
PPM 004899     02:08:11.6 +74:41:31  7.6  0.18  85
517717         02:05:48.2 +74:46:33 13.0        85
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 21.1 km RECON observability=1.0 and success probability=17.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 09:04:09 -54.8 Dark Up 60.1 339.1 Up 08:58:36 - 09:09:42 -995
Kelowna 09:04:10 -55.1 Dark Up 59.8 339.4 Up 08:58:37 - 09:09:43 -1029
Summerland 09:04:10 -55.4 Dark Up 59.5 339.6 Up 08:58:37 - 09:09:43 -1052
Penticton 09:04:10 -55.4 Dark Up 59.5 339.6 Up 08:58:37 - 09:09:43 -1060
Oliver 09:04:10 -55.7 Dark Up 59.1 339.8 Up 08:58:37 - 09:09:43 -1093
Victoria 09:04:20 -57.6 Dark Up 59.3 341.3 Up 08:58:47 - 09:09:53 -1099
Anarchist Mountain Observatory 09:04:10 -55.8 Dark Up 58.9 339.9 Up 08:58:37 - 09:09:43 -1112
Tonasket 09:04:11 -56.1 Dark Up 58.7 340.1 Up 08:58:38 - 09:09:44 -1139
Okanogan 09:04:11 -56.4 Dark Up 58.4 340.3 Up 08:58:38 - 09:09:44 -1169
Brewster 09:04:12 -56.7 Dark Up 58.2 340.5 Up 08:58:39 - 09:09:45 -1192
Manson/Chelan 09:04:13 -57.0 Dark Up 58.0 340.7 Up 08:58:40 - 09:09:46 -1206
Entiat 09:04:13 -57.2 Dark Up 57.8 340.8 Up 08:58:40 - 09:09:46 -1226
Wenatchee 09:04:14 -57.5 Dark Up 57.6 341.0 Up 08:58:41 - 09:09:47 -1248
Ellensburg 09:04:15 -57.9 Dark Up 57.3 341.3 Up 08:58:42 - 09:09:48 -1283
Yakima 09:04:15 -58.2 Dark Up 56.9 341.5 Up 08:58:42 - 09:09:48 -1320
Toppenish/White Swan 09:04:15 -58.3 Dark Up 56.7 341.5 Up 08:58:42 - 09:09:48 -1342
Pasco 09:04:12 -57.9 Dark Up 56.3 341.3 Up 08:58:39 - 09:09:45 -1369
Goldendale 09:04:17 -58.9 Dark Up 56.2 341.9 Up 08:58:44 - 09:09:50 -1386
PNWRO 09:04:12 -58.0 Dark Up 56.0 341.3 Up 08:58:39 - 09:09:45 -1395
The Dalles 09:04:18 -59.3 Dark Up 56.1 342.1 Up 08:58:45 - 09:09:51 -1401
Maupin 09:04:18 -59.6 Dark Up 55.7 342.3 Up 08:58:45 - 09:09:51 -1440
Sisters 09:04:20 -60.5 Dark Up 54.9 342.8 Up 08:58:47 - 09:09:53 -1511
Redmond 09:04:19 -60.3 Dark Up 54.8 342.7 Up 08:58:46 - 09:09:52 -1520
Bend 09:04:20 -60.5 Dark Up 54.7 342.8 Up 08:58:47 - 09:09:53 -1537
Oregon Observatory 09:04:20 -60.7 Dark Up 54.5 342.9 Up 08:58:47 - 09:09:53 -1550
La Pine/Gilchrist 09:04:20 -60.9 Dark Up 54.3 343.0 Up 08:58:47 - 09:09:53 -1567
North Lake 09:04:19 -61.0 Dark Up 53.8 343.0 Up 08:58:46 - 09:09:52 -1614
Paisley 09:04:19 -61.2 Dark Up 53.2 343.2 Up 08:58:46 - 09:09:52 -1668
Klamath Falls 09:04:23 -62.2 Dark Up 53.0 343.7 Up 08:58:50 - 09:09:56 -1689
Lakeview 09:04:19 -61.5 Dark Up 52.7 343.3 Up 08:58:46 - 09:09:52 -1715
Cedarville 09:04:19 -61.9 Dark Up 52.0 343.5 Up 08:58:46 - 09:09:52 -1774
Fall River/Burney 09:04:23 -62.9 Dark Up 51.8 344.0 Up 08:58:50 - 09:09:56 -1796
Susanville 09:04:21 -63.0 Dark Up 51.0 344.0 Up 08:58:48 - 09:09:54 -1861
Greenville 09:04:22 -63.3 Dark Up 50.8 344.2 Up 08:58:49 - 09:09:55 -1879
Gimple 09:04:22 -63.3 Dark Up 50.8 344.2 Up 08:58:49 - 09:09:55 -1881
Quincy 09:04:22 -63.5 Dark Up 50.6 344.2 Up 08:58:49 - 09:09:55 -1896
Portola 09:04:21 -63.3 Dark Up 50.4 344.2 Up 08:58:48 - 09:09:54 -1914
Reno 09:04:20 -63.2 Dark Up 50.0 344.1 Up 08:58:47 - 09:09:53 -1946
Niwot 09:03:38 -53.7 Dark Up 47.2 341.1 Up 08:58:05 - 09:09:11 -1955
SwRI 09:03:39 -53.8 Dark Up 47.1 341.2 Up 08:58:06 - 09:09:12 -1964
Carson City 09:04:20 -63.4 Dark Up 49.7 344.2 Up 08:58:47 - 09:09:53 -1976
Gardnerville 09:04:20 -63.5 Dark Up 49.4 344.3 Up 08:58:47 - 09:09:53 -1997
Yerington 09:04:18 -63.2 Dark Up 49.3 344.1 Up 08:58:45 - 09:09:51 -2001
Hawthorne 09:04:17 -63.2 Dark Up 48.8 344.1 Up 08:58:44 - 09:09:50 -2046
Lee Vining 09:04:19 -63.8 Dark Up 48.3 344.4 Up 08:58:46 - 09:09:52 -2086
Tonopah 09:04:13 -62.6 Dark Up 48.0 344.0 Up 08:58:40 - 09:09:46 -2102
Bishop 09:04:17 -63.8 Dark Up 47.6 344.4 Up 08:58:44 - 09:09:50 -2144
Beatty 09:04:13 -63.0 Dark Up 46.8 344.2 Up 08:58:40 - 09:09:46 -2200
Indian Springs 09:04:10 -62.5 Dark Up 46.3 344.1 Up 08:58:37 - 09:09:43 -2236
CPSLO 09:04:26 -66.5 Dark Up 46.1 345.5 Up 08:58:53 - 09:09:59 -2273
Henderson 09:04:09 -62.3 Dark Up 45.6 344.1 Up 08:58:36 - 09:09:42 -2284
Searchlight/Boulder City 09:04:09 -62.6 Dark Up 45.0 344.2 Up 08:58:36 - 09:09:42 -2330
Patrick 09:04:06 -61.8 Dark Up 44.7 344.0 Up 08:58:33 - 09:09:39 -2342
Laughlin/Bullhead City 09:04:08 -62.5 Dark Up 44.7 344.2 Up 08:58:35 - 09:09:41 -2355
Kingman/Dolan Springs 09:04:07 -62.1 Dark Up 44.6 344.1 Up 08:58:34 - 09:09:40 -2358
DCO 09:04:04 -61.5 Dark Up 44.3 344.0 Up 08:58:31 - 09:09:37 -2370
Mohave Valley 09:04:08 -62.6 Dark Up 44.4 344.3 Up 08:58:35 - 09:09:41 -2377
Wildwood 09:04:21 -65.8 Dark Up 44.5 345.4 Up 08:58:48 - 09:09:54 -2397
Lake Havasu City 09:04:08 -62.6 Dark Up 44.0 344.4 Up 08:58:35 - 09:09:41 -2410
Parker 09:04:08 -62.7 Dark Up 43.6 344.4 Up 08:58:35 - 09:09:41 -2437
Idyllwild 09:04:16 -64.7 Dark Up 43.7 345.0 Up 08:58:43 - 09:09:49 -2448
Blythe 09:04:09 -63.2 Dark Up 43.2 344.6 Up 08:58:36 - 09:09:42 -2475
George/Scottsdale 09:04:01 -61.1 Dark Up 42.7 344.1 Up 08:58:28 - 09:09:34 -2482
Calipatria 09:04:12 -64.1 Dark Up 42.9 344.9 Up 08:58:39 - 09:09:45 -2504
Yuma 09:04:10 -63.6 Dark Up 42.3 344.9 Up 08:58:37 - 09:09:43 -2544

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 517717, (2022/11/17 09:04UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:41:25.9 +45:16:49  1.3 44.29 115
PPM 000431     02:31:52.7 +89:15:50  2.0 14.60  76
PPM 004887     02:03:10.1 +73:51:02  6.3  0.82  85
PPM 004899     02:06:02.7 +74:35:01  7.6  0.18  85
517717         02:03:39.9 +74:40:01 13.0        85
Positions are for J2000

Event circumstances last updated at 2019/11/26 22:35:39 UT

Marc W. Buie, Southwest Research Institute

RECON