Re: USSF-87 Obs

From: Zhuo-Xiao Wang via Seesat-l <seesat-l_at_lists.seesatmail.org>
Date: Sat, 14 Feb 2026 23:04:39 +0800
UNID drifting eastward, coplanar with USSF-87 payload A and B, probably
USSF-87 Centaur V.
The current *presumbly disposal* orbit, several hundreds of km below GEO
altitude, is a bit strange.

------ Station ------
# No ID  Latitude    Longitude  Elev  Observer
0001 FL   39.837556  115.573330 1140  Z. Wang
------ IOD Lines ------
97759 26029C    0001 G 20260214123803017 17 25 0540523-061284 17 S+128 10
97759 26029C    0001 G 20260214124843033 17 25 0551388-061346 17 S+123 10
97759 26029C    0001 G 20260214125852171 17 25 0601723-061410 17 S+124 10
97759 26029C    0001 G 20260214130859887 17 25 0612026-061476 17 S+123 10
97759 26029C    0001 G 20260214131907723 17 25 0622323-061541 17 S+109 10
97759 26029C    0001 G 20260214132917013 17 25 0632640-061606 17 S+118 10
97759 26029C    0001 G 20260214133927829 17 25 0642979-061675 17 S+105 10
97759 26029C    0001 G 20260214134929914 17 25 0653156-061741 17 S+111 10
97759 26029C    0001 G 20260214135942009 17 25 0703509-061814 17 S+107 10
97759 26029C    0001 G 20260214140949990 17 25 0713782-061883 17 S+107 10

current fitting:
0 USSF-87 R/B         35153 x 35646 km
1 97759U 0000000  26045.53383140 0.00000087  00000-0  50000-4 0    08
2 97759   0.4070 277.4961 0059024  79.6389  90.8162  1.01668911    07


On Sat, Feb 14, 2026 at 3:04 AM Zhuo-Xiao Wang <zhuoxiaowang_at_gmail.com>
wrote:

> Observed 2 payloads of USSF-87 mission:
>
> ------ Station ------
> # No ID  Latitude    Longitude  Elev  Observer
> 0001 FL   39.837556  115.573330 1140  Z. Wang
> ------ IOD Lines ------
> 97757 26029A    0001 G 20260213140129280 17 25 0549507-060414 17 S+117 10
> 97757 26029A    0001 G 20260213140130756 17 25 0549535-060410 17 S+118 10
> 97757 26029A    0001 G 20260213140132234 17 25 0549559-060411 17 S+117 10
> 97757 26029A    0001 G 20260213140133721 17 25 0549583-060410 17 S+117 10
> 97757 26029A    0001 G 20260213140135210 17 25 0549610-060409 17 S+117 10
> 97757 26029A    0001 G 20260213140136677 17 25 0549635-060405 17 S+116 10
> 97757 26029A    0001 G 20260213141138690 17 25 0559845-060517 17 S+116 10
> 97757 26029A    0001 G 20260213141140174 17 25 0559869-060517 17 S+117 10
> 97757 26029A    0001 G 20260213141141607 17 25 0559894-060518 17 S+117 10
> 97757 26029A    0001 G 20260213141143049 17 25 0559916-060523 17 S+115 10
> 97757 26029A    0001 G 20260213141144510 17 25 0559943-060517 17 S+117 10
> 97757 26029A    0001 G 20260213141145947 17 25 0559969-060519 17 S+117 10
> 97757 26029A    0001 G 20260213142147960 17 25 0610180-060627 17 S+117 10
> 97757 26029A    0001 G 20260213142149391 17 25 0610206-060630 17 S+122 10
> 97757 26029A    0001 G 20260213142150854 17 25 0610228-060629 17 S+122 10
> 97757 26029A    0001 G 20260213142152286 17 25 0610253-060628 17 S+123 10
> 97757 26029A    0001 G 20260213142153752 17 25 0610274-060629 17 S+122 10
> 97757 26029A    0001 G 20260213142155203 17 25 0610302-060630 17 S+123 10
> 97757 26029A    0001 G 20260213153019349 17 25 0719916-061391 17 S+171 10
> 97757 26029A    0001 G 20260213153020844 17 25 0719939-061393 17 S+110 10
> 97757 26029A    0001 G 20260213153022359 17 25 0719967-061393 17 S+158 10
> 97757 26029A    0001 G 20260213153023846 17 25 0719991-061391 17 S+112 10
> 97757 26029A    0001 G 20260213153025398 17 25 0720019-061392 17 S+153 10
> 97757 26029A    0001 G 20260213153026927 17 25 0720045-061396 17 S+133 10
> 97757 26029A    0001 G 20260213160048614 17 25 0750946-061737 17 S+111 10
> 97757 26029A    0001 G 20260213160050092 17 25 0750972-061737 17 S+111 10
> 97757 26029A    0001 G 20260213160051566 17 25 0750999-061738 17 S+110 10
> 97757 26029A    0001 G 20260213160053046 17 25 0751023-061738 17 S+111 10
> 97757 26029A    0001 G 20260213160054525 17 25 0751046-061736 17 S+111 10
> 97757 26029A    0001 G 20260213160056000 17 25 0751070-061738 17 S+109 10
> ------------
> 97758 26029B    0001 G 20260213141143049 17 25 0600389-060532 17 S+166 10
> 97758 26029B    0001 G 20260213142155203 17 25 0610771-060642 17 S+149 10
> 97758 26029B    0001 G 20260213143158572 17 25 0621007-060745 17 S+153 10
> 97758 26029B    0001 G 20260213144210588 17 25 0631387-060860 17 S+145 10
> 97758 26029B    0001 G 20260213145217056 17 25 0641670-060971 17 S+150 10
> 97758 26029B    0001 G 20260213150227812 17 25 0652030-061085 17 S+146 10
> 97758 26029B    0001 G 20260213151238546 17 25 0702391-061199 17 S+149 10
> 97758 26029B    0001 G 20260213153022359 17 25 0720432-061397 17 S+148 10
> 97758 26029B    0001 G 20260213154033711 17 25 0730803-061513 17 S+146 10
> 97758 26029B    0001 G 20260213155040812 17 25 0741097-061626 17 S+152 10
>
> Current fitting:
> USSF-87 A         35399 x 35420km
> 1 97757U 0000000  26044.59150402 0.00000087  00000-0  50000-4 0    04
> 2 97757   0.5248 287.4118 0002553 280.5526 244.8510  1.01631311    01
> USSF-87 B        35414 x 35421km
> 1 97758U 0000000  26044.59855559 0.00000087  00000-0  50000-4 0    00
> 2 97758   0.5221 287.3575 0000819 233.7114 294.4127  1.01602653    07
>
> Some images can be seen on X post
> https://x.com/mickeywzx/status/2022017419347411272
>
> --
> Regards,
> Zhuoxiao
>


-- 
Regards,
Zhuoxiao

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Received on Sat Feb 14 2026 - 07:05:01 UTC

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