Vicinity Yokohama, Japan, August 1960August 1960

Insufficient Data

Summary

On August 31, 1960, near Yokohama, Japan, a bright object was observed that resembled a first-magnitude star. The sighting occurred at 1:30 p.m. local time. The object appeared as bright as a first-magnitude star, with a course estimated at 080 degrees true. One object was sighted moving east. The observation duration was not provided. The Air Force received several reports from this area of the world with nearly identical descriptions, each showing all the characteristics of the satellite Echo I. The object's course and movement patterns matched known satellite behavior. The investigation concluded the sightings were consistent with observations of the Echo I satellite.

Reported location

Vicinity Yokohama, Japan, August 1960

Date of incident

August 1960

State / country

? / XX

Page count

3 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 39

Original case file scans

Original case file · scanned by NARAPage 1 of 3

View transcribed text

UNKNOWN MULTIPLE REPORT PROJECT 10073 RECORD CARD

1. DATE
31 Aug 60

2. LOCATION
Vicinity Yokohama, Japan

3. DATE-TIME GROUP
Local 1930
GMT 31/09352

4. TYPE OF OBSERVATION
X Ground-Visual
Ground-Radar
Air-Visual
Air-Intercept Radar

5. SOURCE
not given

6. NUMBER OF OBJECTS
one

7. LENGTH OF OBSERVATION
not given

8. [illegible]

9. COURSE
East

10. BRIEF SUMMARY OF SIGHTING
Bright object, as bright as first magnitude star. Course was estimated to be 080 degrees T.

11. COMMENTS
Several reports were received from this part of the world, and the description in each instance is almost identical. Description has all the characteristics of the satellite Echo I.

12. CONCLUSIONS
X Balloon
Probably Balloon
Possibly Balloon
Was Aircraft
Probably Aircraft
Possibly Aircraft
Was Astronomical
Probably Astronomical
Possibly Astronomical
X Other Echo I
Insufficient Data for Evaluation
Unknown

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Source: National Archives Catalog · NAID 28988663