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Length & distance

Just how long is 1,000 astronomical units?

Solar neighbourhood

1,000 AU

Scale
1,000 astronomical units

The quantity is exact as entered.

1,000 AULength
0 - shared origin
Neptune’s orbital distance

Neptune’s orbital distance is the average separation between Neptune and the Sun.

30.11 AUDistance
0 - shared origin

Both rulers start at the same zero and share one linear scale. Artwork keeps its original proportions. A ruler represents the selected distance or a measurement not visible in this view.

A little perspective

1,000 astronomical units is about 33.2 times Neptune’s orbital distance.

Measurements, assumptions & sources +

1,000 astronomical units

Length: 1,000 AU; definition.

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

NIST — SI conversion factors

Neptune’s orbital distance

Distance: 30.11 AU; rounded reference.

A rounded 30.11 AU semi-major-axis reference, not today’s distance.

Defined examples — our methodology

The marked distance is calibrated. Unmeasured illustration details are representative.

Measurement details

Why these numbers?

Compare 1,000 astronomical units with Neptune’s orbital distance. The notes below explain how each value was chosen.

1,000 astronomical units

1,000 AU

Length · definition

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

Comparing
Length ↔ Distance
Relative size
1,000 astronomical units is about 33.2 times Neptune’s orbital distance.

How to read the visual

The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.

  • Neptune’s orbital distance: This is a rounded comparison value; check the notes for its source and scope.

This comparison follows the selected length only; other dimensions may differ.

1.496 × 10¹⁴ mmetres
4.9081 × 10¹⁴ ftfeet
9.2956 × 10¹⁰ mimiles
0.015813 lylight-years

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