🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.51 AU - 0.73 AU

Year: 320 Days

Day: 48 Hours

Environment

Temp: -130 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,118,240 km

• M1: 42,037 km (0.096 R)
• M2: 169,046 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.9

Radius: 10.5

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.7 AU - 0.76 AU

Year: 409 Days

Day: 12.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,118,240 km

• M1: 130,599 km (0.088 R)
• M2: 515,813 km (0.068 R)
• M3: 1,048,980 km (0.112 R)
• M4: 1,395,449 km (0.12 R)
• M5: 1,971,251 km (0.108 R)
• M6: 2,658,953 km (0.095 R)
• M7: 3,895,229 km (0.108 R)
• M8: 4,236,163 km (0.116 R)
• M9: 4,701,562 km (0.067 R)
• M10: 5,282,002 km (0.072 R)
• M11: 5,735,433 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.2

Radius: 8.7

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.93 AU - 1.27 AU

Year: 757 Days

Day: 9.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,118,240 km

• M1: 108,159 km (0.1 R)
• M2: 444,754 km (0.062 R)
• M3: 733,628 km (0.072 R)
• M4: 1,177,784 km (0.119 R)
• M5: 1,744,311 km (0.091 R)
• M6: 2,461,184 km (0.047 R)
• M7: 2,846,399 km (0.107 R)
• M8: 3,546,816 km (0.086 R)
• M9: 4,129,051 km (0.06 R)
• M10: 4,435,427 km (0.091 R)
• M11: 4,823,185 km (0.108 R)
• M12: 5,286,340 km (0.086 R)
• M13: 5,704,167 km (0.118 R)
• M14: 6,688,371 km (0.054 R)
• M15: 7,004,621 km (0.112 R)
• M16: 7,464,335 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.2

Radius: 10.6

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.23 AU - 5.71 AU

Year: 7268 Days

Day: 13.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,118,240 km

• M1: 132,095 km (0.112 R)
• M2: 518,207 km (0.118 R)
• M3: 972,536 km (0.093 R)
• M4: 1,621,641 km (0.098 R)
• M5: 1,951,205 km (0.099 R)
• M6: 2,887,688 km (0.102 R)
• M7: 3,223,086 km (0.036 R)
• M8: 3,631,788 km (0.082 R)
• M9: 4,554,058 km (0.094 R)
• M10: 4,952,288 km (0.116 R)
• M11: 5,530,184 km (0.118 R)
• M12: 7,116,520 km (0.111 R)
• M13: 8,855,596 km (0.049 R)
• M14: 11,471,763 km (0.116 R)
• M15: 14,932,710 km (0.116 R)
• M16: 15,369,835 km (0.059 R)
• M17: 17,963,563 km (0.106 R)
• M18: 19,697,402 km (0.077 R)
• M19: 24,257,744 km (0.097 R)
• M20: 24,862,269 km (0.088 R)
• M21: 30,066,180 km (0.037 R)
• M22: 32,191,517 km (0.103 R)
• M23: 33,769,625 km (0.107 R)
• M24: 35,730,853 km (0.106 R)
• M25: 36,064,905 km (0.113 R)
• M26: 38,113,349 km (0.109 R)
• M27: 38,930,602 km (0.117 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: 408 - 19,232 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit