🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.99 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.84 AU - 2.12 AU

Year: 866 Days

Day: 41.4 Hours

Environment

Temp: 5 °C

Axial Tilt: 43.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.81 AU - 4.31 AU

Year: 2088 Days

Day: 24.8 Hours

Environment

Temp: -71 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 74,544,951 km

• M1: 749,485 km (0.049 R)
• M2: 1,197,531 km (0.104 R)

Asteroid Belt

Center: 6.65 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693

Radius: 13.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.55 AU - 11.91 AU

Year: 9437 Days

Day: 7.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,544,951 km

• M1: 172,935 km (0.088 R)
• M2: 726,746 km (0.109 R)
• M3: 1,533,677 km (0.1 R)
• M4: 2,605,097 km (0.088 R)
• M5: 3,398,415 km (0.097 R)
• M6: 4,074,896 km (0.109 R)
• M7: 4,721,010 km (0.074 R)
• M8: 5,337,502 km (0.116 R)
• M9: 6,884,943 km (0.073 R)
• M10: 7,846,259 km (0.061 R)
• M11: 9,645,173 km (0.101 R)
• M12: 10,335,717 km (0.118 R)
• M13: 12,150,339 km (0.107 R)
• M14: 14,867,784 km (0.097 R)
• M15: 16,471,922 km (0.111 R)
• M16: 20,180,304 km (0.081 R)
• M17: 25,417,127 km (0.119 R)
• M18: 26,735,533 km (0.078 R)
• M19: 28,000,233 km (0.077 R)
• M20: 29,611,103 km (0.058 R)
• M21: 30,126,917 km (0.09 R)
• M22: 32,468,423 km (0.088 R)
• M23: 35,504,661 km (0.073 R)
• M24: 37,631,195 km (0.102 R)
• M25: 44,384,192 km (0.118 R)
• M26: 45,605,958 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 15.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.7

Radius: 14.2

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 15.05 AU - 15.85 AU

Year: 18882 Days

Day: 11.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,544,951 km

• M1: 187,596 km (0.065 R)
• M2: 662,868 km (0.048 R)
• M3: 1,880,146 km (0.07 R)
• M4: 2,545,557 km (0.086 R)
• M5: 3,675,320 km (0.101 R)
• M6: 6,729,959 km (0.113 R)
• M7: 7,799,584 km (0.097 R)
• M8: 9,251,282 km (0.1 R)
• M9: 10,041,607 km (0.085 R)
• M10: 10,633,417 km (0.105 R)
• M11: 11,564,663 km (0.095 R)
• M12: 12,549,616 km (0.046 R)
• M13: 22,344,088 km (0.079 R)
• M14: 24,080,021 km (0.072 R)
• M15: 25,358,335 km (0.075 R)
• M16: 26,235,427 km (0.098 R)
• M17: 26,793,876 km (0.074 R)
• M18: 28,634,229 km (0.05 R)
• M19: 31,175,747 km (0.097 R)
• M20: 31,676,452 km (0.04 R)
• M21: 37,543,680 km (0.059 R)
• M22: 39,698,937 km (0.083 R)
• M23: 41,935,574 km (0.113 R)
• M24: 43,007,593 km (0.112 R)
• M25: 43,940,934 km (0.09 R)
• M26: 48,979,689 km (0.119 R)
• M27: 61,748,765 km (0.089 R)
• M28: 67,840,839 km (0.117 R)
• M29: 71,682,064 km (0.03 R)

Kuiper Belt

Range: 35.3 - 59.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 12,907 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit