Tensleep, WyomingDecember 1957

Insufficient Data

Summary

On December 3, 1957, a civilian in Tensleep, Wyoming, reported seeing a round, white object brighter than a star at 4:45 a.m. The object appeared at a 45-degree angle from the ground in the south and disappeared to the southwest at a 35-degree angle. It remained visible for one and one-half hours with a straight course. The witness noted no tail, exhaust trail, or sound. When disappearing, the object left a half-moon reflection. Astro computer charts and star tables indicated the object was without doubt the planet Venus.

Reported location

Tensleep, Wyoming

Date of incident

December 1957

State / country

WY / US

Page count

3 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 31

Original case file scans

Original case file · scanned by NARAPage 1 of 3

View transcribed text

PROJECT 10073 RECORD CARD

1. DATE: 3 December 1957
2. LOCATION: Tensleep, Wyoming
12. CONCLUSIONS: [checkboxes] Was Balloon, Probably Balloon, Possibly Balloon, Was Aircraft, Probably Aircraft, Possibly Aircraft, Was Venus, Probably Astronomical, Possibly Astronomical, Other, Insufficient Date for Evaluation, Unknown
3. DATE/TIME GROUP: Local GME 04/0045Z
4. TYPE OF OBSERVATION: [checkbox] Ground-Visual, [checkbox] Ground-Radar, [checkbox] Air-Visual, [checkbox] Air-Intercept Radar
5. PHOTOS: [checkbox] Yes, [checkbox] No
4. SOURCE: Civilian
9. COURSE: SW
7. LENGTH OF OBSERVATION: 1 1/2 hours
8. NUMBER OF OBJECTS: one
11. COMMENTS: Astro computer and charts indicate object was without doubt the planet Venus.
10. BRIEF SUMMARY OF SIGHTING: Round object, size of pea, white, much brighter than star. Disappeared in SW.

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Source: National Archives Catalog · NAID 28975651