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Lonar crater

Unreviewed draft

This page was built from a teammate-supplied list. The text is teammate-written, unreviewed. Sources pending.

Summary

not provided

Location

Country
India (Maharashtra)
Coordinates
19.98, 76.51
Elevation (m)
560
Year first used as an analog
not provided

Terrain and geology

not provided

Climate

not provided

Parameters matched

not provided

Why it is an analog

Only well-preserved simple crater in basalt (lunar-mare-like target).

Key differences: where the analogy breaks down

Lake and vegetation; humid monsoon; weathered basalt.

Experiments done

Shock studies in basalt (maskelynite), ejecta mapping, crater-morphology comparisons with lunar craters, ISRO/PRL spectral and geochemistry work since its impact confirmation in 1973.

Experiments proposed

Shocked-basalt sampling; ejecta blanket GPR; spectral comparisons with Chandrayaan data.

How to adjust it

Use rim ejecta exposures; protected site limits modification.

Access

not provided

Hazards

not provided

Sources

Sources pending (no sources in CSV).

v1 score, percentile and overlap flag

A descriptive lookup of scores v1 already stored. It is not a test, and a high percentile here does not show that this is a good analog.

v1 used this site
Yes. This place matches the v1 site "lonar", about 0.5 km away.

Stored v1 scores near Lonar crater
Score viewResultPercentileScoreDistance to tile (km)Overlap flag
Connecting Ridge C1, BaseGated outevery tile in range failed a land-cover gate; most common: vegetatednot providednot providednot providednot provided
Connecting Ridge C1, Landing and mobilityGated outevery tile in range failed a land-cover gate; most common: vegetatednot providednot providednot providednot provided
Connecting Ridge C1, Power and nightGated outevery tile in range failed a land-cover gate; most common: vegetatednot providednot providednot providednot provided
Shackleton rim, BaseGated outevery tile in range failed a land-cover gate; most common: vegetatednot providednot providednot providednot provided
Shackleton rim, Landing and mobilityGated outevery tile in range failed a land-cover gate; most common: vegetatednot providednot providednot providednot provided
Shackleton rim, Power and nightGated outevery tile in range failed a land-cover gate; most common: vegetatednot providednot providednot providednot provided

Overlap flag: whether the tile used for the score is one v1 flagged as stable in its top group across the Monte Carlo runs.

What these scores can and cannot tell you
  • This is a lookup of scores v1 already stored. It is descriptive and is not a test of the method.
  • A site is matched to the best-scoring tile that passed the gates within the match radius. A different radius would give different numbers.
  • Tiles are large compared with most sites, so a score describes the surrounding area, not the site itself.
  • Scores exist only for tiles that passed the land-cover and data gates. A gated-out or unscored site has no score, which says nothing about how good an analog it is.
  • Percentile is the share of scored tiles in that view with a lower score.
  • The Moon score is effectively terrain only. Mars is a low-confidence secondary result.
  • v1 failed its negative controls, so a high percentile here does not show that a site is a good analog.
  • The ranking is not checked against independent data. Gravity, air, dust and radiation are not scored.
  • Sites are compared with views of their own body only.
  • Match radius: 20 km, the radius v1 used.