🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.57 AU - 0.67 AU

Year: 310 Days

Day: 17.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.57 AU - 0.77 AU

Year: 349 Days

Day: 34.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 8,242,128 km

• M1: 56,548 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.1

Radius: 10.2

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.9 AU - 1.32 AU

Year: 744 Days

Day: 10.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 8,242,128 km

• M1: 146,307 km (0.115 R)
• M2: 240,553 km (0.065 R)
• M3: 360,381 km (0.104 R)
• M4: 427,102 km (0.082 R)
• M5: 496,067 km (0.089 R)
• M6: 604,375 km (0.11 R)
• M7: 729,290 km (0.113 R)
• M8: 827,127 km (0.065 R)
• M9: 938,128 km (0.065 R)
• M10: 1,010,683 km (0.086 R)
• M11: 1,098,796 km (0.11 R)
• M12: 1,418,188 km (0.058 R)
• M13: 1,542,952 km (0.052 R)
• M14: 1,614,610 km (0.098 R)
• M15: 1,750,594 km (0.095 R)
• M16: 1,956,291 km (0.119 R)
• M17: 2,279,872 km (0.1 R)
• M18: 2,608,388 km (0.097 R)
• M19: 2,743,924 km (0.101 R)
• M20: 2,819,022 km (0.074 R)
• M21: 2,932,866 km (0.079 R)
• M22: 3,145,594 km (0.092 R)
• M23: 3,230,716 km (0.096 R)
• M24: 3,296,838 km (0.055 R)
• M25: 3,416,965 km (0.051 R)
• M26: 3,484,434 km (0.078 R)
• M27: 3,593,042 km (0.118 R)
• M28: 3,682,352 km (0.109 R)
• M29: 3,919,165 km (0.084 R)
• M30: 4,103,619 km (0.066 R)
• M31: 4,196,968 km (0.092 R)
• M32: 4,312,907 km (0.065 R)
• M33: 4,629,605 km (0.105 R)
• M34: 4,756,913 km (0.097 R)
• M35: 4,824,831 km (0.085 R)
• M36: 4,923,416 km (0.12 R)
• M37: 5,130,459 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.9

Radius: 13.5

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.85 AU - 3.03 AU

Year: 3205 Days

Day: 14.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 8,242,128 km

• M1: 182,659 km (0.083 R)
• M2: 286,630 km (0.117 R)
• M3: 396,883 km (0.117 R)
• M4: 499,358 km (0.071 R)
• M5: 636,988 km (0.111 R)
• M6: 917,334 km (0.073 R)
• M7: 1,006,794 km (0.113 R)
• M8: 1,123,181 km (0.092 R)
• M9: 1,207,554 km (0.064 R)
• M10: 1,332,319 km (0.098 R)
• M11: 1,663,828 km (0.04 R)
• M12: 1,768,696 km (0.053 R)
• M13: 1,904,680 km (0.093 R)
• M14: 2,059,215 km (0.106 R)
• M15: 2,172,311 km (0.049 R)
• M16: 2,752,900 km (0.11 R)
• M17: 3,134,674 km (0.105 R)
• M18: 3,533,352 km (0.085 R)
• M19: 3,624,308 km (0.051 R)
• M20: 4,795,659 km (0.104 R)
• M21: 5,090,516 km (0.104 R)
• M22: 5,255,672 km (0.117 R)
• M23: 5,612,763 km (0.119 R)
• M24: 6,185,274 km (0.101 R)
• M25: 6,273,387 km (0.106 R)
• M26: 6,395,159 km (0.056 R)
• M27: 6,674,907 km (0.084 R)
• M28: 6,890,179 km (0.069 R)
• M29: 7,188,626 km (0.052 R)
• M30: 7,339,421 km (0.117 R)
• M31: 7,526,418 km (0.072 R)
• M32: 7,989,125 km (0.082 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: 502 - 19,457 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit