Falcon 9 Lofts 5-Ton Cygnus XL to ISS | KeepTrack X Report
SpaceX's Falcon 9 delivered Northrop Grumman's second Cygnus XL — carrying over 5 tons of cargo — to the ISS on April 11, 2026.
COSMOS 959 (10419)
COSPAR: 1977-101A | Alt Name: Kosmos-959
DECAYED
Image
Additional Sources
Launch Details
Launch Date
October 21, 1977
Launch Site
PLMSC
Launch Pad
LC132/1
Launch Vehicle
Kosmos 11K65M
Orbital Elements
NORAD ID
10419
International Designator
1977-101A
Decay Date
11/30/1977
Basic Satellite Info
Name
COSMOS 959
Alternative Name
Kosmos-959
Type
Payload
Status
Decayed
Owner
PKO
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.
Physical Characteristics
Length
2.5
Diameter
1.8
Span
23
Dry Mass
925
Launch Mass
1045
Shape
Cyl + Ant
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Lira No. 6
Purpose
Unknown
Mission
Unknown
Manufacturer
YUZH
Life Expectancy
Unknown
Bus
Romb
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
Space Brief 26 Aug 2024
Today's briefing covers an exciting new satellite launch, a significant reentry, and unexpected space debris from a fragmentation event.
NROL-179 Starshield Satellites Launch from Vandenberg | KeepTrack X Report
SpaceX launched NROL-179 from Vandenberg at 1:50 a.m. PDT June 19, carrying Starshield spy satellites for the National Reconnaissance Office.
X Report 22 Sep 2025
SpaceX successfully launched 28 Starlink satellites from Florida, marking another milestone for their ongoing deployment efforts.
Second Starlink Satellite Generates Debris; Falcon 9 Booster Flies 34th Mission | KeepTrack Space Brief
Second Starlink satellite malfunctioned on orbit and generated debris within three months of prior event. Falcon 9 booster completed record 34th mission from Cape Canaveral.
X Report 2 Jun 2025
SpaceX delays the launch of 23 Starlink satellites due to geomagnetic storm concerns, adjusting the schedule for an upcoming Falcon 9 mission.
FAA Approves Starship Launches from LC-39A, FCC Accepts Orbital Data Center Filing | KeepTrack X Report
FAA approves SpaceX Starship launches from Kennedy Space Center LC-39A. FCC accepts 1-million satellite orbital data center filing. Canada ranks as 5th largest Starlink market.
X Report 26 Jul 2025
This week's SpaceX developments include notable upcoming missions, with a Starlink launch on the horizon and Crew Dragon's readiness for the next astronaut mission.