Tracking 35532 objects as of 11-Oct-2026
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EXPLORER 28 (IMP-3)


EXPLORER 28 (IMP-3) is no longer on orbit
EXPLORER 28 (IMP-3) is classified as:


NORAD ID: 1388
Int'l Code: 1965-042A
Launch date: May 29, 1965
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)
Decay date: 1968-07-04
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 01388U 65042  A 67300.54166666  .00000000 +00000-0 +00000-0 0  9993
2 01388 053.6069 195.5879 7162000 181.4066 192.5359 00.17262629001456
Source of the keplerian elements: AFSPC