Friday, 27 November 2020

USA 310 (NROL-101) and it's Centaur on 25 November

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click image to enlarge   The image above was taken between 1:28:22 - 1:28:27 UT on November 25, and shows both USA 310 (the NROL-101 paylo...
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Tuesday, 24 November 2020

Brightness variation of the NROL-101 Centaur upper stage from video observations

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 In my previous post I discussed our tracking of the recently launched NROL-101 objects: the payload (USA 310, 2020-083A) and the Centaur u...
Sunday, 22 November 2020

Tracking objects in MEO from the NROL-101 (USA 310) launch [updated]

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  NROL-101 payload USA 310. Click image to enlarge On 13 November 2020 at 22:32 UT, the United Launch Alliance (ULA) launched NROL-101 fo...
Sunday, 15 November 2020

SM-3 Block IIA Missile Defense test FTM-44 against an ICBM-class target imminent, 17-19 November 2020 [UPDATED]

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Click to enlarge. Image: MDA Three days ago, on 12 November 2020, a Navigational Warning appeared that denoted three hazard zones in the no...
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Friday, 13 November 2020

Crew Dragon-1

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click map to enlarge [ Edit 13 Nov 23:25 UT:  due to the weather the launch has been postponed one day to 16 Nov 00:27 UT ] If weather coo...
Sunday, 1 November 2020

NROL-101: probably a HEO mission [or maybe not! See update at bottom]

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click map to enlarge EDIT 4 Nov 2020 22:30 UT:   post UPDATED with new maps and new value for inclination parking orbit EDIT 2, 22:50 UT (No...
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Monday, 12 October 2020

North Korea's October ICBM surprise

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click to enlarge. Screenshot from KCTV broadcast Saturday 10 October 2020 saw North Korea's big military parade in PyongYang, connected ...
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Friday, 9 October 2020

No, this reentry footage is not a fireball that appeared over Mexico on September 6/7

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    On 7 September 2020 near 2:14 UT (6 September 22:14 local time) a bright fireball appeared over Mexico, creating some media attention. ...
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Wednesday, 30 September 2020

A very unusual fireball over NW Europe on 22 September 2020 (that went in and out of the atmosphere again)

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  The fireball of 22 sept 2020, ~3:53:40 UT. Image (c) Cees Bassa (stack of 2 images) In the early morning of 22 September 2020 , around 3:...
Sunday, 20 September 2020

Observing the mysterious "Object A" (2020-063G), left in orbit by China's 'Spaceplane'

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  Earlier this month I wrote a post about China's brand new, recently launched and landed 'Reusable Test Spacecraft' (2020-0...
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Thursday, 17 September 2020

The structure of Space (2): formation of a geosynchronous ring

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  A year ago, I published a post on ' The structure of Space '. In that contribution, I discussed structure in orbital element spac...
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