🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.65 AU - 0.67 AU

Year: 188 Days

Day: 26.8 Hours

Environment

Temp: 162 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 92,584,588 km

• M1: 382,372 km (0.054 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.72 AU - 1.92 AU

Year: 863 Days

Day: 43.1 Hours

Environment

Temp: -34 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,584,588 km

• M1: 41,887 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.34 AU - 5.46 AU

Year: 3812 Days

Day: 34.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 48.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.2 AU - 5.62 AU

Year: 3824 Days

Day: 12.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.1

Radius: 13.3

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.18 AU - 9.56 AU

Year: 10081 Days

Day: 7.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 92,584,588 km

• M1: 169,195 km (0.049 R)
• M2: 725,849 km (0.109 R)
• M3: 3,311,947 km (0.119 R)
• M4: 4,382,170 km (0.111 R)
• M5: 4,955,130 km (0.086 R)
• M6: 5,516,421 km (0.042 R)
• M7: 6,219,083 km (0.052 R)
• M8: 7,235,899 km (0.062 R)
• M9: 12,596,889 km (0.063 R)
• M10: 17,611,858 km (0.116 R)
• M11: 18,087,579 km (0.102 R)
• M12: 22,130,312 km (0.073 R)
• M13: 25,944,908 km (0.052 R)
• M14: 27,459,138 km (0.099 R)
• M15: 36,912,377 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.5

Radius: 14.8

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 9.73 AU - 11.93 AU

Year: 12526 Days

Day: 10.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,584,588 km

• M1: 184,454 km (0.105 R)
• M2: 1,284,148 km (0.113 R)
• M3: 1,872,666 km (0.093 R)
• M4: 3,665,297 km (0.062 R)
• M5: 4,651,895 km (0.108 R)
• M6: 5,772,683 km (0.103 R)
• M7: 6,456,345 km (0.042 R)
• M8: 10,171,010 km (0.114 R)
• M9: 12,729,732 km (0.045 R)
• M10: 14,293,478 km (0.039 R)
• M11: 17,026,631 km (0.104 R)
• M12: 17,565,782 km (0.06 R)
• M13: 18,922,784 km (0.027 R)
• M14: 23,225,069 km (0.09 R)
• M15: 29,552,311 km (0.086 R)
• M16: 44,747,266 km (0.045 R)
• M17: 48,492,299 km (0.083 R)
• M18: 49,110,438 km (0.068 R)
• M19: 50,837,096 km (0.111 R)
• M20: 56,429,813 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.1

Radius: 3.9

Gravity: 48.86 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 15.28 AU - 19.76 AU

Year: 25774 Days

Day: 15.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 92,584,588 km

• M1: 62,233 km (0.111 R)
• M2: 348,413 km (0.102 R)
• M3: 503,098 km (0.103 R)
• M4: 634,445 km (0.116 R)
• M5: 1,219,073 km (0.054 R)
• M6: 1,494,333 km (0.115 R)
• M7: 1,751,193 km (0.095 R)
• M8: 2,213,300 km (0.111 R)
• M9: 2,352,427 km (0.1 R)
• M10: 2,674,062 km (0.073 R)
• M11: 2,832,037 km (0.083 R)
• M12: 3,080,669 km (0.075 R)
• M13: 3,284,122 km (0.093 R)
• M14: 3,653,479 km (0.106 R)
• M15: 3,881,466 km (0.1 R)
• M16: 4,118,878 km (0.107 R)
• M17: 4,511,423 km (0.118 R)
• M18: 5,166,362 km (0.099 R)
• M19: 6,241,373 km (0.057 R)
• M20: 6,426,126 km (0.105 R)
• M21: 6,567,197 km (0.039 R)
• M22: 7,002,676 km (0.094 R)
• M23: 8,093,394 km (0.103 R)
• M24: 8,707,793 km (0.071 R)
• M25: 9,173,641 km (0.095 R)
• M26: 9,473,136 km (0.107 R)
• M27: 11,408,483 km (0.053 R)
• M28: 15,782,575 km (0.104 R)
• M29: 18,669,515 km (0.111 R)
• M30: 18,957,042 km (0.085 R)
• M31: 26,773,381 km (0.079 R)
• M32: 27,016,627 km (0.112 R)
• M33: 28,507,669 km (0.085 R)
• M34: 30,183,914 km (0.05 R)
• M35: 33,589,808 km (0.104 R)
• M36: 41,314,444 km (0.05 R)
• M37: 51,820,254 km (0.115 R)
• M38: 60,355,560 km (0.088 R)
• M39: 60,773,985 km (0.032 R)
• M40: 61,404,989 km (0.088 R)
• M41: 63,109,208 km (0.075 R)
• M42: 67,957,974 km (0.105 R)
• M43: 70,011,205 km (0.084 R)
• M44: 71,636,287 km (0.116 R)
• M45: 75,930,494 km (0.099 R)

Kuiper Belt

Range: 31.2 - 61.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 19,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit