🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.47 AU - 0.65 AU

Year: 266 Days

Day: 22.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.1

Radius: 15

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.79 AU - 1.31 AU

Year: 684 Days

Day: 5.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 10,006,376 km

• M1: 187,446 km (0.119 R)
• M2: 806,482 km (0.113 R)
• M3: 1,501,963 km (0.106 R)
• M4: 1,980,676 km (0.075 R)
• M5: 3,056,434 km (0.055 R)
• M6: 3,627,000 km (0.111 R)
• M7: 4,097,635 km (0.108 R)
• M8: 4,693,035 km (0.048 R)
• M9: 5,217,824 km (0.112 R)
• M10: 6,018,921 km (0.092 R)
• M11: 6,748,061 km (0.098 R)
• M12: 8,408,747 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.4

Radius: 9.4

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.01 AU - 1.59 AU

Year: 942 Days

Day: 11 Hours

Environment

Temp: -173 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 10,006,376 km

• M1: 117,285 km (0.083 R)
• M2: 429,944 km (0.114 R)
• M3: 809,175 km (0.045 R)
• M4: 1,760,617 km (0.119 R)
• M5: 2,721,484 km (0.099 R)
• M6: 3,356,827 km (0.075 R)
• M7: 3,766,426 km (0.093 R)
• M8: 4,572,010 km (0.119 R)
• M9: 4,921,321 km (0.108 R)
• M10: 5,543,349 km (0.115 R)
• M11: 6,667,577 km (0.09 R)
• M12: 7,520,135 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.1

Radius: 8.6

Gravity: 12.05 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.34 AU - 1.82 AU

Year: 1263 Days

Day: 13.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 10,006,376 km

• M1: 106,962 km (0.049 R)
• M2: 721,511 km (0.099 R)
• M3: 1,403,527 km (0.1 R)
• M4: 4,324,126 km (0.097 R)
• M5: 4,841,885 km (0.076 R)
• M6: 5,465,109 km (0.104 R)
• M7: 6,164,180 km (0.053 R)
• M8: 6,523,215 km (0.108 R)
• M9: 7,178,603 km (0.118 R)
• M10: 8,620,428 km (0.085 R)
• M11: 9,254,124 km (0.088 R)
• M12: 10,378,951 km (0.081 R)
• M13: 11,096,123 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337

Radius: 13.5

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.5 AU - 1.82 AU

Year: 1360 Days

Day: 7.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 10,006,376 km

• M1: 167,849 km (0.039 R)
• M2: 597,045 km (0.043 R)
• M3: 1,076,357 km (0.116 R)
• M4: 1,503,907 km (0.086 R)
• M5: 2,038,271 km (0.084 R)
• M6: 2,478,837 km (0.093 R)
• M7: 2,920,001 km (0.091 R)
• M8: 3,428,035 km (0.066 R)
• M9: 4,486,739 km (0.097 R)
• M10: 5,018,709 km (0.097 R)
• M11: 5,834,167 km (0.114 R)
• M12: 6,360,453 km (0.08 R)
• M13: 7,606,304 km (0.06 R)
• M14: 8,764,042 km (0.098 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 13,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit