🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.42 AU - 0.68 AU

Year: 178 Days

Day: 27.3 Hours

Environment

Temp: 17 °C

Axial Tilt: 65.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.65 AU - 0.83 AU

Year: 278 Days

Day: 28.4 Hours

Environment

Temp: 0 °C

Axial Tilt: 13.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 54,207,043 km

• M1: 224,098 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.81 AU - 0.89 AU

Year: 342 Days

Day: 35.1 Hours

Environment

Temp: -36 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.75 AU - 1.17 AU

Year: 411 Days

Day: 44.5 Hours

Environment

Temp: -58 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.3 AU - 1.3 AU

Year: 647 Days

Day: 25.6 Hours

Environment

Temp: -79 °C

Axial Tilt: 41.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.17 AU - 1.71 AU

Year: 754 Days

Day: 17.2 Hours

Environment

Temp: -91 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,207,043 km

• M1: 119,080 km (0.085 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.89 AU - 2.03 AU

Year: 1198 Days

Day: 35.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,207,043 km

• M1: 1,425,069 km (0.041 R)

Asteroid Belt

Center: 6.35 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.8

Radius: 6.1

Gravity: 11.31 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 9.27 AU - 12.19 AU

Year: 15344 Days

Day: 22.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 54,207,043 km

• M1: 77,641 km (0.034 R)
• M2: 156,031 km (0.111 R)
• M3: 541,843 km (0.103 R)
• M4: 663,018 km (0.084 R)
• M5: 793,168 km (0.118 R)
• M6: 851,661 km (0.096 R)
• M7: 952,340 km (0.06 R)
• M8: 993,629 km (0.091 R)
• M9: 1,417,290 km (0.055 R)
• M10: 1,944,024 km (0.115 R)
• M11: 2,269,998 km (0.118 R)
• M12: 2,410,919 km (0.089 R)
• M13: 2,496,938 km (0.051 R)
• M14: 2,820,817 km (0.03 R)
• M15: 3,252,108 km (0.107 R)
• M16: 3,736,955 km (0.117 R)
• M17: 4,488,385 km (0.081 R)
• M18: 4,665,509 km (0.056 R)
• M19: 5,434,741 km (0.115 R)
• M20: 5,699,679 km (0.116 R)
• M21: 6,163,881 km (0.092 R)
• M22: 6,360,901 km (0.087 R)
• M23: 7,754,854 km (0.074 R)
• M24: 8,485,790 km (0.105 R)
• M25: 9,148,957 km (0.051 R)
• M26: 9,645,921 km (0.092 R)
• M27: 10,105,187 km (0.115 R)
• M28: 10,618,606 km (0.106 R)
• M29: 11,092,832 km (0.025 R)
• M30: 11,332,487 km (0.104 R)
• M31: 11,477,149 km (0.099 R)
• M32: 11,573,938 km (0.055 R)
• M33: 11,865,804 km (0.106 R)
• M34: 12,012,559 km (0.094 R)
• M35: 12,906,407 km (0.117 R)
• M36: 13,107,915 km (0.043 R)
• M37: 13,259,757 km (0.105 R)
• M38: 13,310,471 km (0.096 R)
• M39: 13,463,060 km (0.099 R)
• M40: 13,616,249 km (0.048 R)
• M41: 13,770,035 km (0.089 R)
• M42: 15,286,060 km (0.095 R)
• M43: 15,499,237 km (0.084 R)
• M44: 15,820,872 km (0.045 R)
• M45: 16,361,968 km (0.075 R)
• M46: 17,074,353 km (0.114 R)
• M47: 17,740,961 km (0.117 R)
• M48: 18,077,407 km (0.104 R)
• M49: 18,415,947 km (0.045 R)
• M50: 19,099,459 km (0.101 R)
• M51: 20,081,719 km (0.086 R)
• M52: 20,373,884 km (0.112 R)
• M53: 21,139,675 km (0.118 R)
• M54: 21,615,696 km (0.111 R)
• M55: 21,735,374 km (0.117 R)
• M56: 22,942,928 km (0.054 R)
• M57: 23,924,589 km (0.101 R)
• M58: 24,607,503 km (0.043 R)
• M59: 25,612,053 km (0.099 R)
• M60: 25,801,893 km (0.11 R)
• M61: 26,310,526 km (0.099 R)
• M62: 26,502,011 km (0.111 R)
• M63: 27,273,038 km (0.114 R)
• M64: 27,466,917 km (0.114 R)
• M65: 28,116,471 km (0.111 R)
• M66: 28,377,669 km (0.081 R)
• M67: 28,771,111 km (0.105 R)
• M68: 29,298,444 km (0.109 R)
• M69: 30,228,793 km (0.073 R)
• M70: 33,907,554 km (0.109 R)
• M71: 34,046,531 km (0.119 R)
• M72: 34,534,220 km (0.1 R)
• M73: 36,153,168 km (0.079 R)
• M74: 37,940,713 km (0.04 R)
• M75: 38,229,437 km (0.108 R)
• M76: 38,446,354 km (0.081 R)
• M77: 39,027,093 km (0.089 R)
• M78: 39,610,524 km (0.087 R)
• M79: 40,123,495 km (0.081 R)
• M80: 42,048,072 km (0.058 R)
• M81: 44,305,653 km (0.079 R)
• M82: 44,761,927 km (0.107 R)
• M83: 45,678,962 km (0.101 R)
• M84: 46,525,087 km (0.119 R)
• M85: 48,154,807 km (0.116 R)
• M86: 50,912,344 km (0.108 R)
• M87: 51,469,895 km (0.078 R)
• M88: 52,671,615 km (0.067 R)
• M89: 52,993,699 km (0.117 R)
• M90: 53,154,966 km (0.102 R)
• M91: 53,639,663 km (0.05 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 16,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit