🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.84 AU - 1.22 AU

Year: 450 Days

Day: 39.6 Hours

Environment

Temp: -61 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,758,296 km

• M1: 110,553 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.79 AU - 1.29 AU

Year: 457 Days

Day: 38.1 Hours

Environment

Temp: -60 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.1

Radius: 8.7

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.31 AU - 5.51 AU

Year: 4683 Days

Day: 13.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,758,296 km

• M1: 108,159 km (0.091 R)
• M2: 439,070 km (0.068 R)
• M3: 736,470 km (0.101 R)
• M4: 1,427,912 km (0.079 R)
• M5: 2,399,999 km (0.108 R)
• M6: 3,497,748 km (0.086 R)
• M7: 3,798,888 km (0.098 R)
• M8: 5,062,841 km (0.038 R)
• M9: 5,424,568 km (0.085 R)
• M10: 6,502,421 km (0.113 R)
• M11: 6,785,759 km (0.042 R)
• M12: 7,438,305 km (0.093 R)
• M13: 7,843,117 km (0.068 R)
• M14: 8,461,106 km (0.082 R)
• M15: 9,146,414 km (0.084 R)
• M16: 9,868,224 km (0.113 R)
• M17: 10,941,738 km (0.086 R)
• M18: 13,364,775 km (0.091 R)
• M19: 14,773,987 km (0.06 R)
• M20: 15,514,496 km (0.111 R)
• M21: 16,435,570 km (0.069 R)
• M22: 18,051,077 km (0.104 R)
• M23: 19,185,179 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.5

Radius: 7.8

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 8.76 AU - 13.82 AU

Year: 16329 Days

Day: 15.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,758,296 km

• M1: 97,089 km (0.033 R)
• M2: 398,230 km (0.107 R)
• M3: 1,341,594 km (0.102 R)
• M4: 1,931,608 km (0.108 R)
• M5: 2,798,677 km (0.099 R)
• M6: 3,479,646 km (0.078 R)
• M7: 4,112,445 km (0.059 R)
• M8: 4,424,357 km (0.079 R)
• M9: 4,921,920 km (0.108 R)
• M10: 7,203,437 km (0.059 R)
• M11: 8,035,051 km (0.082 R)
• M12: 8,474,121 km (0.098 R)
• M13: 12,909,997 km (0.096 R)
• M14: 14,415,999 km (0.068 R)
• M15: 17,207,046 km (0.088 R)
• M16: 19,371,129 km (0.118 R)
• M17: 20,160,707 km (0.083 R)
• M18: 21,803,890 km (0.067 R)
• M19: 22,658,243 km (0.109 R)
• M20: 27,158,297 km (0.034 R)
• M21: 30,312,418 km (0.096 R)
• M22: 31,495,737 km (0.076 R)
• M23: 34,715,831 km (0.117 R)
• M24: 37,203,345 km (0.037 R)
• M25: 38,559,001 km (0.08 R)
• M26: 54,319,436 km (0.105 R)
• M27: 54,665,156 km (0.059 R)
• M28: 57,484,179 km (0.074 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 10,868 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit