🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.4

Radius: 10.6

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.5 AU - 0.78 AU

Year: 353 Days

Day: 9.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,217,181 km

• M1: 131,796 km (0.112 R)
• M2: 495,917 km (0.101 R)
• M3: 841,787 km (0.05 R)
• M4: 1,172,997 km (0.064 R)
• M5: 1,514,080 km (0.092 R)
• M6: 1,844,841 km (0.11 R)
• M7: 2,421,092 km (0.088 R)
• M8: 2,985,076 km (0.113 R)
• M9: 3,447,782 km (0.094 R)
• M10: 4,065,921 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.9

Radius: 11.8

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.56 AU - 0.74 AU

Year: 362 Days

Day: 8.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,217,181 km

• M1: 146,905 km (0.07 R)
• M2: 727,943 km (0.095 R)
• M3: 1,236,576 km (0.117 R)
• M4: 1,794,426 km (0.1 R)
• M5: 2,288,548 km (0.112 R)
• M6: 2,971,911 km (0.095 R)
• M7: 3,442,546 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.8

Radius: 12.7

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.75 AU - 0.97 AU

Year: 551 Days

Day: 8.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,217,181 km

• M1: 157,975 km (0.102 R)
• M2: 565,630 km (0.085 R)
• M3: 1,379,292 km (0.079 R)
• M4: 1,907,672 km (0.105 R)
• M5: 2,985,375 km (0.065 R)
• M6: 3,714,814 km (0.108 R)
• M7: 4,480,905 km (0.046 R)
• M8: 5,244,153 km (0.091 R)
• M9: 5,675,743 km (0.106 R)
• M10: 6,268,450 km (0.109 R)
• M11: 7,578,329 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.5

Radius: 12.3

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.28 AU - 3.04 AU

Year: 2995 Days

Day: 7.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,217,181 km

• M1: 153,039 km (0.095 R)
• M2: 572,212 km (0.055 R)
• M3: 1,160,580 km (0.11 R)
• M4: 1,996,683 km (0.068 R)
• M5: 3,114,777 km (0.066 R)
• M6: 4,199,362 km (0.066 R)
• M7: 5,005,096 km (0.09 R)
• M8: 6,602,502 km (0.107 R)
• M9: 7,193,862 km (0.105 R)
• M10: 9,254,423 km (0.039 R)
• M11: 13,411,300 km (0.102 R)
• M12: 14,753,641 km (0.113 R)
• M13: 17,426,207 km (0.102 R)
• M14: 18,847,537 km (0.101 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 11,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit