🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.47 AU - 0.63 AU

Year: 259 Days

Day: 37.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 9,407,428 km

• M1: 282,740 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.61 AU - 0.65 AU

Year: 318 Days

Day: 35.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.2

Radius: 9.8

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.83 AU - 1.15 AU

Year: 626 Days

Day: 13.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 9,407,428 km

• M1: 131,945 km (0.113 R)
• M2: 197,170 km (0.095 R)
• M3: 307,573 km (0.082 R)
• M4: 380,427 km (0.061 R)
• M5: 444,605 km (0.05 R)
• M6: 513,420 km (0.108 R)
• M7: 588,967 km (0.114 R)
• M8: 669,002 km (0.073 R)
• M9: 735,872 km (0.119 R)
• M10: 808,427 km (0.09 R)
• M11: 911,051 km (0.066 R)
• M12: 973,733 km (0.057 R)
• M13: 1,126,921 km (0.119 R)
• M14: 1,302,549 km (0.066 R)
• M15: 1,410,259 km (0.092 R)
• M16: 1,588,879 km (0.069 R)
• M17: 1,661,584 km (0.117 R)
• M18: 1,739,524 km (0.088 R)
• M19: 1,806,693 km (0.076 R)
• M20: 1,911,262 km (0.066 R)
• M21: 2,076,119 km (0.118 R)
• M22: 2,139,100 km (0.103 R)
• M23: 2,228,559 km (0.097 R)
• M24: 2,319,216 km (0.116 R)
• M25: 2,402,392 km (0.044 R)
• M26: 2,585,201 km (0.113 R)
• M27: 2,699,045 km (0.09 R)
• M28: 2,777,434 km (0.101 R)
• M29: 2,889,333 km (0.087 R)
• M30: 2,950,519 km (0.103 R)
• M31: 3,137,067 km (0.11 R)
• M32: 3,381,809 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.8

Radius: 8.1

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.29 AU - 1.33 AU

Year: 953 Days

Day: 11.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 9,407,428 km

• M1: 100,979 km (0.111 R)
• M2: 169,644 km (0.04 R)
• M3: 227,389 km (0.117 R)
• M4: 311,313 km (0.098 R)
• M5: 449,542 km (0.098 R)
• M6: 614,548 km (0.101 R)
• M7: 668,702 km (0.066 R)
• M8: 730,187 km (0.076 R)
• M9: 782,098 km (0.101 R)
• M10: 958,174 km (0.118 R)
• M11: 1,041,500 km (0.097 R)
• M12: 1,194,988 km (0.112 R)
• M13: 1,257,071 km (0.108 R)
• M14: 1,421,030 km (0.11 R)
• M15: 1,494,483 km (0.044 R)
• M16: 1,546,692 km (0.106 R)
• M17: 1,607,130 km (0.114 R)
• M18: 1,660,686 km (0.089 R)
• M19: 1,840,951 km (0.108 R)
• M20: 1,962,126 km (0.078 R)
• M21: 2,393,566 km (0.115 R)
• M22: 2,481,679 km (0.06 R)
• M23: 2,734,051 km (0.106 R)
• M24: 2,789,252 km (0.074 R)
• M25: 3,147,539 km (0.088 R)
• M26: 3,253,903 km (0.08 R)
• M27: 3,450,624 km (0.089 R)
• M28: 3,540,383 km (0.09 R)
• M29: 3,671,431 km (0.089 R)
• M30: 3,938,314 km (0.113 R)
• M31: 4,084,770 km (0.072 R)
• M32: 4,243,643 km (0.032 R)
• M33: 4,361,376 km (0.096 R)
• M34: 4,622,125 km (0.078 R)
• M35: 4,776,660 km (0.117 R)
• M36: 4,932,990 km (0.065 R)
• M37: 5,423,372 km (0.066 R)
• M38: 5,516,272 km (0.101 R)
• M39: 5,621,589 km (0.1 R)
• M40: 5,751,141 km (0.069 R)
• M41: 5,965,215 km (0.077 R)
• M42: 6,025,054 km (0.056 R)
• M43: 6,085,193 km (0.072 R)
• M44: 6,474,895 km (0.029 R)
• M45: 6,623,147 km (0.097 R)
• M46: 6,685,230 km (0.084 R)
• M47: 6,835,127 km (0.099 R)
• M48: 6,948,223 km (0.089 R)
• M49: 6,998,637 km (0.103 R)
• M50: 7,100,065 km (0.115 R)
• M51: 7,471,366 km (0.037 R)
• M52: 7,744,233 km (0.088 R)
• M53: 7,954,418 km (0.102 R)
• M54: 8,073,498 km (0.067 R)
• M55: 8,179,712 km (0.095 R)
• M56: 8,286,525 km (0.104 R)
• M57: 8,568,966 km (0.074 R)
• M58: 8,677,424 km (0.049 R)
• M59: 8,868,311 km (0.097 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 10,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit