🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.55 AU - 0.73 AU

Year: 336 Days

Day: 19.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.6

Radius: 14.3

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.03 AU - 1.55 AU

Year: 961 Days

Day: 6.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,080,143 km

• M1: 177,872 km (0.06 R)
• M2: 625,469 km (0.096 R)
• M3: 1,225,207 km (0.025 R)
• M4: 1,679,984 km (0.069 R)
• M5: 2,239,630 km (0.055 R)
• M6: 3,167,137 km (0.1 R)
• M7: 4,033,159 km (0.083 R)
• M8: 4,478,212 km (0.076 R)
• M9: 5,052,219 km (0.116 R)
• M10: 5,951,153 km (0.114 R)
• M11: 7,371,285 km (0.112 R)
• M12: 7,961,898 km (0.109 R)
• M13: 8,583,926 km (0.084 R)
• M14: 9,093,307 km (0.077 R)
• M15: 9,592,814 km (0.082 R)
• M16: 10,298,018 km (0.063 R)
• M17: 10,743,820 km (0.115 R)
• M18: 11,269,357 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.4

Radius: 13.8

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.5 AU - 2.86 AU

Year: 2878 Days

Day: 10 Hours

Environment

Temp: -196 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,080,143 km

• M1: 175,927 km (0.061 R)
• M2: 697,575 km (0.113 R)
• M3: 1,205,160 km (0.116 R)
• M4: 1,770,341 km (0.111 R)
• M5: 2,775,788 km (0.027 R)
• M6: 3,632,236 km (0.116 R)
• M7: 6,317,368 km (0.096 R)
• M8: 7,133,874 km (0.103 R)
• M9: 8,309,115 km (0.115 R)
• M10: 9,360,488 km (0.044 R)
• M11: 10,885,040 km (0.103 R)
• M12: 11,892,582 km (0.09 R)
• M13: 12,355,139 km (0.095 R)
• M14: 13,049,572 km (0.061 R)
• M15: 15,191,813 km (0.077 R)
• M16: 16,449,782 km (0.099 R)
• M17: 18,605,637 km (0.076 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.2

Radius: 6

Gravity: 20.89 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.31 AU - 11.85 AU

Year: 20994 Days

Day: 20.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,080,143 km

• M1: 74,649 km (0.1 R)
• M2: 278,402 km (0.09 R)
• M3: 465,549 km (0.117 R)
• M4: 657,034 km (0.118 R)
• M5: 1,060,200 km (0.084 R)
• M6: 1,582,147 km (0.091 R)
• M7: 1,777,671 km (0.115 R)
• M8: 2,655,063 km (0.114 R)
• M9: 2,906,986 km (0.059 R)
• M10: 3,577,633 km (0.099 R)
• M11: 5,143,175 km (0.071 R)
• M12: 6,560,166 km (0.096 R)
• M13: 8,431,336 km (0.1 R)
• M14: 8,811,015 km (0.113 R)
• M15: 9,145,666 km (0.114 R)
• M16: 15,474,553 km (0.11 R)
• M17: 15,798,134 km (0.091 R)
• M18: 16,458,907 km (0.096 R)
• M19: 20,137,519 km (0.085 R)
• M20: 24,438,009 km (0.055 R)
• M21: 27,151,116 km (0.077 R)
• M22: 29,067,315 km (0.089 R)
• M23: 37,927,548 km (0.058 R)
• M24: 42,647,660 km (0.064 R)
• M25: 43,765,156 km (0.068 R)
• M26: 50,174,079 km (0.057 R)
• M27: 70,851,048 km (0.088 R)
• M28: 76,083,233 km (0.076 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 12,648 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit