🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.49 AU - 0.71 AU

Year: 174 Days

Day: 45.4 Hours

Environment

Temp: 176 °C

Axial Tilt: 10.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 42,872,963 km

• M1: 40,092 km (0.104 R)
• M2: 94,995 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.65 AU - 0.81 AU

Year: 234 Days

Day: 38.3 Hours

Environment

Temp: 89 °C

Axial Tilt: 9.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,872,963 km

• M1: 195,375 km (0.052 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.87 AU - 1.09 AU

Year: 364 Days

Day: 16.9 Hours

Environment

Temp: 13 °C

Axial Tilt: 11.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 42,872,963 km

• M1: 206,146 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.29 AU - 1.41 AU

Year: 588 Days

Day: 32 Hours

Environment

Temp: -40 °C

Axial Tilt: 46.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.15 AU - 2.89 AU

Year: 1499 Days

Day: 27 Hours

Environment

Temp: -87 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,872,963 km

• M1: 1,792,631 km (0.093 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.14 AU - 3.16 AU

Year: 1617 Days

Day: 13.6 Hours

Environment

Temp: -96 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,872,963 km

• M1: 354,697 km (0.082 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.64 AU - 2.84 AU

Year: 1700 Days

Day: 20.7 Hours

Environment

Temp: -93 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,872,963 km

• M1: 186,249 km (0.11 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.53 AU - 3.95 AU

Year: 2185 Days

Day: 14.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,872,963 km

• M1: 272,567 km (0.075 R)

Planet 9 - Terrestrial

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.66 AU - 4.68 AU

Year: 3191 Days

Day: 25.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 68.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.36 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Gas Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.1

Radius: 12.2

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 10.3 AU - 10.78 AU

Year: 12823 Days

Day: 11 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 42,872,963 km

• M1: 254,915 km (0.096 R)
• M2: 341,233 km (0.105 R)
• M3: 559,496 km (0.111 R)
• M4: 658,231 km (0.112 R)
• M5: 763,996 km (0.104 R)
• M6: 1,861,446 km (0.112 R)
• M7: 2,131,171 km (0.083 R)
• M8: 2,247,259 km (0.083 R)
• M9: 2,389,527 km (0.108 R)
• M10: 2,534,936 km (0.112 R)
• M11: 3,014,995 km (0.106 R)
• M12: 3,119,864 km (0.049 R)
• M13: 3,279,185 km (0.101 R)
• M14: 3,414,272 km (0.088 R)
• M15: 3,915,724 km (0.049 R)
• M16: 4,030,316 km (0.096 R)
• M17: 4,560,042 km (0.119 R)
• M18: 4,802,690 km (0.113 R)
• M19: 4,925,659 km (0.093 R)
• M20: 5,300,851 km (0.104 R)
• M21: 5,459,873 km (0.11 R)
• M22: 5,750,243 km (0.078 R)
• M23: 6,720,236 km (0.11 R)
• M24: 9,226,149 km (0.106 R)
• M25: 10,238,179 km (0.085 R)
• M26: 10,717,191 km (0.101 R)
• M27: 10,878,458 km (0.115 R)
• M28: 10,959,390 km (0.094 R)
• M29: 11,367,194 km (0.068 R)
• M30: 12,281,985 km (0.095 R)
• M31: 13,220,263 km (0.089 R)
• M32: 13,610,863 km (0.098 R)
• M33: 15,665,590 km (0.116 R)
• M34: 15,894,774 km (0.075 R)
• M35: 16,171,231 km (0.101 R)
• M36: 16,588,908 km (0.079 R)
• M37: 17,198,519 km (0.095 R)
• M38: 17,863,183 km (0.067 R)
• M39: 18,536,373 km (0.113 R)
• M40: 19,022,267 km (0.112 R)
• M41: 19,414,064 km (0.112 R)
• M42: 20,455,115 km (0.118 R)
• M43: 20,705,692 km (0.084 R)
• M44: 20,957,315 km (0.092 R)
• M45: 21,209,837 km (0.049 R)
• M46: 22,024,995 km (0.099 R)
• M47: 22,384,778 km (0.092 R)
• M48: 23,528,454 km (0.078 R)
• M49: 24,213,163 km (0.053 R)
• M50: 25,386,759 km (0.103 R)
• M51: 25,656,035 km (0.053 R)
• M52: 25,818,049 km (0.08 R)
• M53: 25,926,209 km (0.103 R)
• M54: 26,088,821 km (0.115 R)
• M55: 26,469,698 km (0.108 R)
• M56: 26,633,358 km (0.1 R)
• M57: 26,742,714 km (0.088 R)
• M58: 27,512,395 km (0.075 R)
• M59: 29,129,847 km (0.071 R)
• M60: 29,411,839 km (0.055 R)
• M61: 29,694,729 km (0.109 R)
• M62: 30,605,929 km (0.118 R)
• M63: 31,526,554 km (0.05 R)
• M64: 32,748,470 km (0.081 R)
• M65: 33,276,850 km (0.052 R)
• M66: 34,819,204 km (0.114 R)
• M67: 36,445,482 km (0.063 R)
• M68: 39,709,259 km (0.064 R)
• M69: 40,021,918 km (0.066 R)
• M70: 40,523,969 km (0.051 R)
• M71: 42,425,208 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 12,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit