🌌 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: 605.2

Radius: 14.8

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.52 AU - 0.76 AU

Year: 360 Days

Day: 11.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,856,112 km

• M1: 184,005 km (0.072 R)
• M2: 817,253 km (0.082 R)
• M3: 1,307,485 km (0.092 R)
• M4: 1,942,080 km (0.064 R)
• M5: 2,886,042 km (0.071 R)
• M6: 3,375,377 km (0.051 R)
• M7: 4,144,459 km (0.061 R)
• M8: 4,605,520 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.8

Radius: 13.6

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.09 AU - 3.91 AU

Year: 4603 Days

Day: 6.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,856,112 km

• M1: 169,644 km (0.081 R)
• M2: 625,170 km (0.052 R)
• M3: 1,611,618 km (0.115 R)
• M4: 3,244,778 km (0.116 R)
• M5: 3,837,335 km (0.101 R)
• M6: 5,001,954 km (0.027 R)
• M7: 5,796,170 km (0.098 R)
• M8: 6,587,243 km (0.053 R)
• M9: 8,152,186 km (0.07 R)
• M10: 10,373,864 km (0.081 R)
• M11: 13,154,889 km (0.056 R)
• M12: 14,766,507 km (0.102 R)
• M13: 15,620,112 km (0.073 R)
• M14: 16,666,100 km (0.118 R)
• M15: 18,095,059 km (0.111 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.7

Radius: 5.5

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.08 AU - 8.24 AU

Year: 16385 Days

Day: 23.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 87.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,856,112 km

• M1: 205,847 km (0.115 R)
• M2: 519,853 km (0.088 R)
• M3: 792,420 km (0.037 R)
• M4: 1,134,700 km (0.115 R)
• M5: 1,516,025 km (0.065 R)
• M6: 2,078,513 km (0.104 R)
• M7: 3,364,905 km (0.079 R)
• M8: 5,015,568 km (0.094 R)
• M9: 7,338,673 km (0.104 R)
• M10: 7,994,211 km (0.113 R)
• M11: 9,421,375 km (0.061 R)
• M12: 10,648,376 km (0.092 R)
• M13: 11,978,302 km (0.072 R)
• M14: 13,959,426 km (0.097 R)
• M15: 15,351,883 km (0.084 R)
• M16: 16,149,090 km (0.083 R)
• M17: 18,409,514 km (0.095 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.1

Radius: 6.2

Gravity: 16.47 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.98 AU - 10.84 AU

Year: 18695 Days

Day: 20.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 75.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,856,112 km

• M1: 77,043 km (0.112 R)
• M2: 340,634 km (0.084 R)
• M3: 1,565,243 km (0.112 R)
• M4: 2,046,050 km (0.065 R)
• M5: 2,353,175 km (0.04 R)
• M6: 2,574,729 km (0.103 R)
• M7: 3,960,903 km (0.12 R)
• M8: 4,884,221 km (0.049 R)
• M9: 5,665,421 km (0.088 R)
• M10: 5,863,040 km (0.114 R)
• M11: 6,877,014 km (0.106 R)
• M12: 10,029,191 km (0.117 R)
• M13: 12,308,314 km (0.072 R)
• M14: 14,319,957 km (0.109 R)
• M15: 17,109,508 km (0.08 R)
• M16: 19,514,743 km (0.079 R)
• M17: 26,826,788 km (0.069 R)
• M18: 33,151,337 km (0.08 R)
• M19: 39,245,356 km (0.088 R)
• M20: 42,630,307 km (0.094 R)
• M21: 45,569,307 km (0.118 R)
• M22: 53,590,146 km (0.087 R)
• M23: 61,145,287 km (0.071 R)
• M24: 63,681,420 km (0.086 R)
• M25: 68,962,225 km (0.105 R)
• M26: 70,856,134 km (0.107 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 14,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit