🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.3

Radius: 11.1

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.39 AU - 0.63 AU

Year: 256 Days

Day: 14.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,664,631 km

• M1: 138,079 km (0.075 R)
• M2: 486,343 km (0.085 R)
• M3: 863,329 km (0.093 R)
• M4: 1,389,166 km (0.096 R)
• M5: 1,796,670 km (0.09 R)
• M6: 2,331,932 km (0.045 R)
• M7: 2,686,628 km (0.102 R)
• M8: 3,411,430 km (0.073 R)
• M9: 3,758,497 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.3

Radius: 9.7

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.61 AU - 0.67 AU

Year: 360 Days

Day: 8.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,664,631 km

• M1: 120,576 km (0.112 R)
• M2: 422,614 km (0.079 R)
• M3: 749,785 km (0.057 R)
• M4: 1,057,657 km (0.105 R)
• M5: 1,384,229 km (0.078 R)
• M6: 1,779,018 km (0.092 R)
• M7: 2,197,144 km (0.102 R)
• M8: 2,952,763 km (0.09 R)
• M9: 3,711,224 km (0.071 R)
• M10: 4,156,427 km (0.104 R)
• M11: 4,913,093 km (0.06 R)
• M12: 5,231,138 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.2

Radius: 13.5

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.91 AU - 1.27 AU

Year: 800 Days

Day: 12.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,664,631 km

• M1: 167,849 km (0.103 R)
• M2: 600,037 km (0.106 R)
• M3: 1,097,300 km (0.088 R)
• M4: 1,535,323 km (0.084 R)
• M5: 2,502,772 km (0.099 R)
• M6: 2,966,675 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.4

Radius: 14.4

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.57 AU - 3.73 AU

Year: 3930 Days

Day: 12.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,664,631 km

• M1: 204,650 km (0.11 R)
• M2: 674,088 km (0.111 R)
• M3: 2,052,333 km (0.054 R)
• M4: 2,708,320 km (0.063 R)
• M5: 3,164,145 km (0.059 R)
• M6: 3,972,721 km (0.056 R)
• M7: 4,426,751 km (0.038 R)
• M8: 5,000,608 km (0.073 R)
• M9: 5,577,757 km (0.05 R)
• M10: 6,552,686 km (0.074 R)
• M11: 8,529,173 km (0.095 R)
• M12: 9,925,520 km (0.098 R)
• M13: 11,927,438 km (0.115 R)
• M14: 13,926,963 km (0.038 R)
• M15: 14,581,454 km (0.052 R)
• M16: 15,671,424 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.9

Radius: 5.5

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 8.62 AU - 10.72 AU

Year: 21137 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,664,631 km

• M1: 86,767 km (0.064 R)
• M2: 749,635 km (0.105 R)
• M3: 1,470,397 km (0.073 R)
• M4: 5,134,947 km (0.115 R)
• M5: 7,440,998 km (0.096 R)
• M6: 8,313,303 km (0.119 R)
• M7: 9,159,429 km (0.071 R)
• M8: 10,012,735 km (0.085 R)
• M9: 14,204,168 km (0.115 R)
• M10: 15,804,267 km (0.03 R)
• M11: 16,003,980 km (0.106 R)
• M12: 22,473,490 km (0.113 R)
• M13: 33,465,792 km (0.091 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 15,143 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit