🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.79 AU - 0.89 AU

Year: 240 Days

Day: 12.6 Hours

Environment

Temp: 200 °C

Axial Tilt: 24.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.06 AU - 1.18 AU

Year: 370 Days

Day: 13 Hours

Environment

Temp: 210 °C

Axial Tilt: 19.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,026,509 km

• M1: 36,951 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2 AU - 2.1 AU

Year: 916 Days

Day: 38.5 Hours

Environment

Temp: 8 °C

Axial Tilt: 17.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.16 AU - 2.16 AU

Year: 991 Days

Day: 12.5 Hours

Environment

Temp: 4 °C

Axial Tilt: 33.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Gas Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.5

Radius: 14.6

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.79 AU - 11.11 AU

Year: 8355 Days

Day: 8.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,026,509 km

• M1: 181,612 km (0.103 R)
• M2: 640,728 km (0.086 R)
• M3: 1,110,016 km (0.109 R)
• M4: 2,018,075 km (0.109 R)
• M5: 2,507,410 km (0.102 R)
• M6: 3,183,443 km (0.119 R)
• M7: 3,684,147 km (0.099 R)
• M8: 5,052,070 km (0.11 R)
• M9: 6,700,339 km (0.027 R)
• M10: 8,175,673 km (0.114 R)
• M11: 8,640,773 km (0.113 R)
• M12: 10,000,318 km (0.043 R)
• M13: 13,084,129 km (0.11 R)
• M14: 13,546,237 km (0.11 R)
• M15: 14,139,243 km (0.084 R)
• M16: 14,749,602 km (0.117 R)
• M17: 19,155,110 km (0.1 R)
• M18: 22,509,992 km (0.063 R)
• M19: 24,196,558 km (0.026 R)
• M20: 29,563,531 km (0.093 R)
• M21: 31,378,303 km (0.051 R)
• M22: 37,848,261 km (0.091 R)
• M23: 39,145,574 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.1

Radius: 8.6

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.98 AU - 12.04 AU

Year: 11400 Days

Day: 11.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,026,509 km

• M1: 106,962 km (0.118 R)
• M2: 429,795 km (0.031 R)
• M3: 862,881 km (0.072 R)
• M4: 1,167,163 km (0.08 R)
• M5: 1,515,277 km (0.059 R)
• M6: 1,898,846 km (0.097 R)
• M7: 2,668,826 km (0.097 R)
• M8: 3,529,463 km (0.086 R)
• M9: 4,325,024 km (0.096 R)
• M10: 4,687,200 km (0.05 R)
• M11: 5,302,197 km (0.106 R)
• M12: 5,646,871 km (0.061 R)
• M13: 7,054,437 km (0.105 R)
• M14: 7,600,469 km (0.083 R)
• M15: 8,219,655 km (0.039 R)
• M16: 9,458,475 km (0.105 R)
• M17: 11,429,726 km (0.045 R)
• M18: 11,715,757 km (0.115 R)
• M19: 12,242,342 km (0.101 R)
• M20: 14,776,380 km (0.082 R)
• M21: 15,184,483 km (0.106 R)
• M22: 17,263,893 km (0.082 R)
• M23: 18,488,950 km (0.074 R)
• M24: 22,511,039 km (0.028 R)
• M25: 23,878,663 km (0.093 R)
• M26: 24,630,242 km (0.111 R)
• M27: 26,678,237 km (0.073 R)
• M28: 28,626,749 km (0.083 R)
• M29: 30,888,669 km (0.087 R)
• M30: 31,893,668 km (0.091 R)
• M31: 38,130,403 km (0.108 R)
• M32: 40,070,089 km (0.079 R)
• M33: 43,447,410 km (0.117 R)
• M34: 51,847,780 km (0.095 R)
• M35: 52,790,396 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 13.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.3

Radius: 14.2

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 11.77 AU - 16.19 AU

Year: 16311 Days

Day: 6.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,026,509 km

• M1: 176,675 km (0.095 R)
• M2: 766,988 km (0.04 R)
• M3: 1,631,514 km (0.044 R)
• M4: 2,414,809 km (0.085 R)
• M5: 3,232,810 km (0.083 R)
• M6: 4,079,534 km (0.105 R)
• M7: 4,539,996 km (0.056 R)
• M8: 5,208,549 km (0.084 R)
• M9: 5,677,688 km (0.089 R)
• M10: 6,455,148 km (0.091 R)
• M11: 7,939,009 km (0.064 R)
• M12: 8,912,293 km (0.077 R)
• M13: 10,519,573 km (0.12 R)
• M14: 12,062,675 km (0.112 R)
• M15: 14,372,316 km (0.062 R)
• M16: 16,269,217 km (0.117 R)
• M17: 17,041,441 km (0.086 R)
• M18: 22,766,402 km (0.113 R)
• M19: 25,438,968 km (0.068 R)
• M20: 27,117,905 km (0.094 R)
• M21: 30,463,362 km (0.083 R)
• M22: 31,637,107 km (0.101 R)
• M23: 33,330,854 km (0.092 R)
• M24: 33,825,575 km (0.038 R)
• M25: 36,113,375 km (0.028 R)
• M26: 39,735,738 km (0.114 R)
• M27: 44,783,170 km (0.108 R)
• M28: 45,841,575 km (0.1 R)
• M29: 51,880,542 km (0.041 R)
• M30: 59,330,366 km (0.096 R)

Kuiper Belt

Range: 35.1 - 59.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 13,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit