The Official-Data Lunar Backbone

A Living Computational Atlas of the Earth–Moon System

Transitioning from discrete phase labels into an authoritative, high-dimensional scientific and cultural atlas. Powered by NASA JPL Horizons, USNO MICA, LRO LOLA/Diviner, GRAIL gravity fields, NOAA tidal harmonic networks, and OpenAlex peer-reviewed chronobiology.

🔭OBSERVED📜TRADITIONPRACTICE
🔭OBSERVEDCalibrated to NASA JPL Horizons & USNO MICA Engine
UTC: Wed, 02 Sep 2026 00:45:06 GMT
Moon Age19.69 dWaning Gibbous
Illumination74.99%Waning (Shrinking)
Earth Distance370,721 km58.12 Earth Radii
Angular Diameter32.22Phase Angle: 60.01°
RA / Dec (ICRS)2h 23m 58.2s+18° 48' 0.2"
Total Libration
l: -3.86°b: -6.35°
Sub-Solar: λ 0°, φ 0°

Dynamic Selenographic Disc & Libration Tilt

🔭OBSERVED
CopernicusTychoApollo 11 (Statio)
Libration Vector: -3.86° l , -6.35° b
Position Angle: 0° · Parallax: 0.9858°

Telescope Targets Tonight: The Terminator Sweep

🔭OBSERVED

Calculated from local solar grazing angle (0.5° ≤ α_⊙ ≤ 6.0°). These features currently cast the longest, most dramatic shadow relief across the lunar surface.

Marie CurieCrater
-22.9° Lat, 91° Long · Ø 111 km
75%
α_⊙: -0.92°

A sizable impact crater situated on the far eastern limb of the Moon, brought into view only during favorable lunar libration.

Sun skimming highest rim crests; floor in deep pitch shadow.IAU 1935
CopernicusCrater
9.62° Lat, -20.08° Long · Ø 93 km
15%
α_⊙: 67.82°

The 'Monarch of the Moon'—a prominent impact crater located in eastern Oceanus Procellarum, with a terraced wall and an extensive bright ray system.

Direct overhead sunlight. Ray systems bright, but 3D relief washed out.IAU 1935
TychoCrater
-43.31° Lat, -11.36° Long · Ø 85 km
15%
α_⊙: 45.51°

One of the youngest major impact craters (~108 million years old), with prominent rays extending over 1,500 kilometers across the lunar near side.

Direct overhead sunlight. Ray systems bright, but 3D relief washed out.IAU 1935
PlatoCrater
51.62° Lat, -9.38° Long · Ø 101 km
15%
α_⊙: 37.78°

The 'Great Black Lake'—a circular walled plain north of Mare Imbrium with an unusually dark, level floor flooded with basaltic lava.

Direct overhead sunlight. Ray systems bright, but 3D relief washed out.IAU 1935

LUNATION GENOME: BLN 1282

Brown Lunation Sequence (Epoch Jan 1923) · Duration: 29.5161 d
🔭OBSERVED
BLN 1282
New Moon (Conjunction)
Fri, 11 Sep 2026 03:27
First Quarter
Fri, 18 Sep 2026 20:44
Full Moon (Opposition)
Sat, 26 Sep 2026 16:49
Third Quarter
Sat, 03 Oct 2026 13:25
Apsidal Distance Extremes
Perigee (Closest):369,324 km
Apogee (Farthest):404,210 km
Syzygy–Perigee Offset:+497.4 h
Declination Envelope
Max North Excursion:+28.31°
Max South Excursion:-28.39°
Total Latitudinal Span:56.7°
Tidal Potential & Comparative Deltas
Tidal Potential Score:0.958x baseline
Δ Perigee vs Previous:+6,051 km
Δ Duration vs Mean:-20.9 min

Canonical Computational Engines

Explore the 8 authoritative domains of the Lunologium atlas.