🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.89 AU - 0.97 AU

Year: 326 Days

Day: 19.8 Hours

Environment

Temp: 120 °C

Axial Tilt: 14.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,238,250 km

• M1: 223,200 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.6 AU - 2.68 AU

Year: 1559 Days

Day: 21.3 Hours

Environment

Temp: -92 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,238,250 km

• M1: 41,289 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.62 AU - 3.38 AU

Year: 1888 Days

Day: 25.2 Hours

Environment

Temp: -106 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,238,250 km

• M1: 230,381 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.43 AU - 4.49 AU

Year: 2864 Days

Day: 46.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 108.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,238,250 km

• M1: 267,331 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.1

Radius: 8.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.5 AU - 5.46 AU

Year: 4039 Days

Day: 13.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,238,250 km

• M1: 110,104 km (0.107 R)
• M2: 447,148 km (0.075 R)
• M3: 745,446 km (0.12 R)
• M4: 1,198,429 km (0.112 R)
• M5: 1,705,416 km (0.036 R)
• M6: 2,322,507 km (0.069 R)
• M7: 3,672,628 km (0.116 R)
• M8: 4,015,356 km (0.061 R)
• M9: 4,421,215 km (0.089 R)
• M10: 4,743,449 km (0.095 R)
• M11: 5,173,992 km (0.074 R)
• M12: 5,483,510 km (0.078 R)
• M13: 5,780,163 km (0.107 R)
• M14: 6,791,295 km (0.11 R)
• M15: 7,221,388 km (0.048 R)
• M16: 7,884,855 km (0.117 R)
• M17: 8,263,487 km (0.09 R)
• M18: 8,820,739 km (0.09 R)
• M19: 9,437,980 km (0.084 R)
• M20: 10,120,146 km (0.084 R)
• M21: 10,912,117 km (0.09 R)
• M22: 11,623,306 km (0.119 R)
• M23: 14,080,002 km (0.112 R)
• M24: 14,591,028 km (0.057 R)
• M25: 15,848,249 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.8

Radius: 9.9

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 11.37 AU - 13.31 AU

Year: 15754 Days

Day: 7.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,238,250 km

• M1: 123,418 km (0.047 R)
• M2: 725,550 km (0.098 R)
• M3: 1,507,498 km (0.118 R)
• M4: 2,110,078 km (0.065 R)
• M5: 2,478,238 km (0.089 R)
• M6: 5,489,943 km (0.119 R)
• M7: 11,026,261 km (0.032 R)
• M8: 11,663,996 km (0.084 R)
• M9: 17,218,416 km (0.101 R)
• M10: 24,512,509 km (0.101 R)
• M11: 27,444,477 km (0.112 R)
• M12: 29,930,046 km (0.116 R)
• M13: 49,140,208 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.7

Radius: 4.8

Gravity: 32.89 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 12.05 AU - 18.19 AU

Year: 21368 Days

Day: 20.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 82,238,250 km

• M1: 62,083 km (0.106 R)
• M2: 271,071 km (0.074 R)
• M3: 428,897 km (0.12 R)
• M4: 623,374 km (0.12 R)
• M5: 788,530 km (0.095 R)
• M6: 971,040 km (0.099 R)
• M7: 1,167,611 km (0.12 R)
• M8: 1,359,246 km (0.092 R)
• M9: 1,962,126 km (0.057 R)
• M10: 2,531,645 km (0.105 R)
• M11: 3,925,897 km (0.097 R)
• M12: 4,569,018 km (0.085 R)
• M13: 6,191,706 km (0.115 R)
• M14: 6,502,720 km (0.084 R)
• M15: 7,155,865 km (0.066 R)
• M16: 7,498,444 km (0.058 R)
• M17: 8,269,172 km (0.068 R)
• M18: 10,769,551 km (0.096 R)
• M19: 11,815,838 km (0.08 R)
• M20: 13,583,487 km (0.086 R)
• M21: 18,896,754 km (0.073 R)
• M22: 19,268,505 km (0.091 R)
• M23: 20,804,576 km (0.063 R)
• M24: 23,901,102 km (0.087 R)
• M25: 33,360,475 km (0.074 R)
• M26: 33,903,365 km (0.062 R)
• M27: 37,869,953 km (0.077 R)
• M28: 38,164,661 km (0.07 R)
• M29: 40,423,289 km (0.119 R)
• M30: 42,135,138 km (0.034 R)
• M31: 42,769,433 km (0.103 R)
• M32: 53,431,572 km (0.073 R)
• M33: 58,384,459 km (0.064 R)
• M34: 59,172,690 km (0.082 R)
• M35: 67,017,153 km (0.108 R)
• M36: 70,295,291 km (0.108 R)
• M37: 71,860,983 km (0.084 R)
• M38: 76,227,595 km (0.071 R)

Kuiper Belt

Range: 30.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 16,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit