🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.65 AU - 0.77 AU

Year: 216 Days

Day: 19.8 Hours

Environment

Temp: 135 °C

Axial Tilt: 10 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.75 AU - 0.81 AU

Year: 249 Days

Day: 34.8 Hours

Environment

Temp: 156 °C

Axial Tilt: 12.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,516,175 km

• M1: 319,990 km (0.076 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.71 AU - 1.05 AU

Year: 299 Days

Day: 35.7 Hours

Environment

Temp: 91 °C

Axial Tilt: 27.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.94 AU - 2.06 AU

Year: 1023 Days

Day: 15.7 Hours

Environment

Temp: -63 °C

Axial Tilt: 49.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,516,175 km

• M1: 118,631 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.23 AU - 5.03 AU

Year: 3603 Days

Day: 31.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.3

Radius: 14.1

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 8.45 AU - 9.13 AU

Year: 9425 Days

Day: 7.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 33,516,175 km

• M1: 203,453 km (0.043 R)
• M2: 364,570 km (0.084 R)
• M3: 726,896 km (0.117 R)
• M4: 1,062,145 km (0.072 R)
• M5: 1,279,211 km (0.114 R)
• M6: 1,511,537 km (0.08 R)
• M7: 2,042,759 km (0.108 R)
• M8: 2,342,553 km (0.09 R)
• M9: 2,550,494 km (0.119 R)
• M10: 3,620,867 km (0.103 R)
• M11: 4,047,520 km (0.109 R)
• M12: 4,750,630 km (0.11 R)
• M13: 5,354,257 km (0.084 R)
• M14: 5,560,852 km (0.113 R)
• M15: 6,450,511 km (0.118 R)
• M16: 6,968,119 km (0.097 R)
• M17: 9,376,944 km (0.103 R)
• M18: 9,584,885 km (0.042 R)
• M19: 10,346,488 km (0.092 R)
• M20: 13,023,243 km (0.06 R)
• M21: 13,116,143 km (0.114 R)
• M22: 13,583,187 km (0.115 R)
• M23: 14,775,034 km (0.107 R)
• M24: 14,920,293 km (0.109 R)
• M25: 15,114,621 km (0.12 R)
• M26: 15,212,159 km (0.118 R)
• M27: 18,234,634 km (0.058 R)
• M28: 19,441,290 km (0.064 R)
• M29: 20,134,677 km (0.064 R)
• M30: 20,349,649 km (0.085 R)
• M31: 22,988,705 km (0.038 R)
• M32: 23,438,994 km (0.105 R)
• M33: 24,864,812 km (0.06 R)
• M34: 26,436,038 km (0.08 R)
• M35: 27,382,394 km (0.112 R)
• M36: 30,472,039 km (0.077 R)
• M37: 30,719,025 km (0.059 R)
• M38: 31,401,640 km (0.066 R)
• M39: 31,838,765 km (0.076 R)
• M40: 32,592,589 km (0.112 R)
• M41: 32,781,980 km (0.065 R)
• M42: 32,908,390 km (0.052 R)
• M43: 35,731,601 km (0.118 R)
• M44: 35,926,826 km (0.116 R)
• M45: 36,383,997 km (0.089 R)
• M46: 36,908,637 km (0.089 R)
• M47: 38,364,673 km (0.104 R)
• M48: 38,497,965 km (0.111 R)
• M49: 39,233,837 km (0.097 R)
• M50: 39,974,346 km (0.103 R)
• M51: 41,127,895 km (0.088 R)
• M52: 43,815,421 km (0.119 R)
• M53: 44,373,720 km (0.104 R)
• M54: 44,653,768 km (0.06 R)
• M55: 45,075,035 km (0.085 R)
• M56: 45,779,791 km (0.111 R)
• M57: 46,204,499 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.4

Radius: 12.7

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 8.79 AU - 10.57 AU

Year: 10892 Days

Day: 14.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,516,175 km

• M1: 1,134,700 km (0.095 R)
• M2: 3,345,308 km (0.085 R)
• M3: 4,055,598 km (0.059 R)
• M4: 5,206,604 km (0.08 R)
• M5: 7,124,449 km (0.085 R)
• M6: 11,147,435 km (0.055 R)
• M7: 11,775,447 km (0.047 R)
• M8: 14,099,749 km (0.061 R)
• M9: 17,317,450 km (0.116 R)
• M10: 18,493,139 km (0.101 R)
• M11: 19,778,334 km (0.1 R)
• M12: 21,911,451 km (0.103 R)
• M13: 23,137,704 km (0.053 R)
• M14: 23,669,973 km (0.065 R)
• M15: 30,123,925 km (0.113 R)
• M16: 30,559,404 km (0.105 R)
• M17: 31,485,864 km (0.086 R)

Kuiper Belt

Range: 30.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 10,937 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit