🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.79 AU - 0.91 AU

Year: 298 Days

Day: 23.5 Hours

Environment

Temp: 45 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 44,936,880 km

• M1: 53,406 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.89 AU - 1.31 AU

Year: 439 Days

Day: 15.6 Hours

Environment

Temp: -6 °C

Axial Tilt: 1.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.71 AU - 4.05 AU

Year: 2366 Days

Day: 25.4 Hours

Environment

Temp: -113 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232

Radius: 12.8

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.43 AU - 4.99 AU

Year: 3289 Days

Day: 13.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,936,880 km

• M1: 159,172 km (0.058 R)
• M2: 951,143 km (0.05 R)
• M3: 1,880,595 km (0.114 R)
• M4: 2,312,185 km (0.088 R)
• M5: 4,176,025 km (0.053 R)
• M6: 5,427,710 km (0.077 R)
• M7: 5,920,635 km (0.106 R)
• M8: 7,215,853 km (0.1 R)
• M9: 9,302,744 km (0.088 R)
• M10: 11,010,852 km (0.08 R)

Asteroid Belt

Center: 5.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.3

Radius: 10.9

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.31 AU - 7.51 AU

Year: 7681 Days

Day: 9.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,936,880 km

• M1: 135,685 km (0.096 R)
• M2: 536,308 km (0.06 R)
• M3: 1,042,697 km (0.085 R)
• M4: 1,844,691 km (0.12 R)
• M5: 2,790,898 km (0.075 R)
• M6: 3,554,894 km (0.091 R)
• M7: 5,950,555 km (0.04 R)
• M8: 12,023,181 km (0.12 R)
• M9: 12,842,828 km (0.082 R)
• M10: 15,054,632 km (0.088 R)
• M11: 15,466,325 km (0.086 R)
• M12: 15,945,936 km (0.076 R)
• M13: 17,125,067 km (0.114 R)
• M14: 17,573,860 km (0.094 R)
• M15: 18,967,364 km (0.077 R)
• M16: 19,378,759 km (0.11 R)
• M17: 21,599,689 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.9

Radius: 11.1

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.21 AU - 9.39 AU

Year: 8295 Days

Day: 11.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,936,880 km

• M1: 138,079 km (0.114 R)
• M2: 511,475 km (0.059 R)
• M3: 1,206,058 km (0.112 R)
• M4: 1,639,593 km (0.063 R)
• M5: 2,160,193 km (0.074 R)
• M6: 2,809,149 km (0.1 R)
• M7: 3,303,420 km (0.084 R)
• M8: 3,656,471 km (0.052 R)
• M9: 4,782,943 km (0.104 R)
• M10: 6,127,230 km (0.102 R)
• M11: 9,783,252 km (0.078 R)
• M12: 11,235,249 km (0.087 R)
• M13: 12,040,385 km (0.072 R)
• M14: 15,067,498 km (0.076 R)
• M15: 16,449,931 km (0.081 R)
• M16: 17,067,471 km (0.117 R)
• M17: 18,422,230 km (0.068 R)
• M18: 22,328,230 km (0.105 R)
• M19: 24,474,212 km (0.058 R)
• M20: 24,829,955 km (0.118 R)
• M21: 25,279,497 km (0.086 R)
• M22: 27,037,122 km (0.076 R)
• M23: 29,572,657 km (0.094 R)
• M24: 32,049,997 km (0.106 R)
• M25: 38,005,339 km (0.108 R)
• M26: 40,929,529 km (0.08 R)
• M27: 41,557,092 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.4

Radius: 8.6

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.91 AU - 12.07 AU

Year: 12024 Days

Day: 6.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,936,880 km

• M1: 110,254 km (0.042 R)
• M2: 476,469 km (0.115 R)
• M3: 790,774 km (0.055 R)
• M4: 1,223,112 km (0.116 R)
• M5: 1,548,637 km (0.092 R)
• M6: 2,997,642 km (0.1 R)
• M7: 3,621,764 km (0.087 R)
• M8: 4,057,393 km (0.082 R)
• M9: 4,329,811 km (0.113 R)
• M10: 4,941,816 km (0.103 R)
• M11: 5,643,729 km (0.111 R)
• M12: 7,524,922 km (0.083 R)
• M13: 9,174,389 km (0.084 R)
• M14: 12,704,599 km (0.116 R)
• M15: 15,748,766 km (0.101 R)
• M16: 16,979,508 km (0.089 R)
• M17: 17,980,168 km (0.075 R)
• M18: 18,273,081 km (0.09 R)
• M19: 19,171,266 km (0.114 R)
• M20: 19,786,263 km (0.076 R)
• M21: 20,573,298 km (0.108 R)
• M22: 22,209,898 km (0.08 R)
• M23: 23,580,215 km (0.063 R)
• M24: 24,464,787 km (0.093 R)
• M25: 26,300,054 km (0.09 R)
• M26: 26,583,093 km (0.071 R)
• M27: 28,028,657 km (0.053 R)
• M28: 31,924,186 km (0.101 R)
• M29: 39,275,874 km (0.111 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 14,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit