🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.69 AU - 1.13 AU

Year: 315 Days

Day: 42.6 Hours

Environment

Temp: 123 °C

Axial Tilt: 27.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,003,900 km

• M1: 265,985 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.07 AU - 1.45 AU

Year: 514 Days

Day: 44.6 Hours

Environment

Temp: 16 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 55,003,900 km

• M1: 33,510 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.66 AU - 2.1 AU

Year: 937 Days

Day: 41.8 Hours

Environment

Temp: -58 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,003,900 km

• M1: 194,627 km (0.088 R)

Asteroid Belt

Center: 4.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.4

Radius: 14.6

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.72 AU - 8.36 AU

Year: 6789 Days

Day: 13.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,003,900 km

• M1: 181,612 km (0.084 R)
• M2: 677,978 km (0.058 R)
• M3: 1,221,766 km (0.083 R)
• M4: 1,692,251 km (0.118 R)
• M5: 2,803,464 km (0.107 R)
• M6: 3,290,106 km (0.111 R)
• M7: 4,228,833 km (0.083 R)
• M8: 5,074,061 km (0.065 R)
• M9: 5,932,004 km (0.032 R)
• M10: 6,498,980 km (0.12 R)
• M11: 7,175,163 km (0.067 R)
• M12: 8,544,282 km (0.108 R)
• M13: 9,269,234 km (0.058 R)
• M14: 10,793,786 km (0.099 R)
• M15: 14,872,422 km (0.057 R)
• M16: 20,176,714 km (0.12 R)
• M17: 26,893,957 km (0.099 R)
• M18: 27,437,297 km (0.067 R)
• M19: 28,265,919 km (0.067 R)
• M20: 31,447,866 km (0.105 R)
• M21: 31,950,066 km (0.117 R)
• M22: 32,559,677 km (0.081 R)
• M23: 37,832,554 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.1

Radius: 9.3

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.95 AU - 11.21 AU

Year: 9944 Days

Day: 11.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,003,900 km

• M1: 305,928 km (0.09 R)
• M2: 1,230,891 km (0.116 R)
• M3: 2,279,423 km (0.098 R)
• M4: 6,934,011 km (0.081 R)
• M5: 7,237,246 km (0.064 R)
• M6: 8,454,972 km (0.09 R)
• M7: 10,316,718 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.9

Radius: 3.7

Gravity: 21.54 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 11.51 AU - 14.01 AU

Year: 16566 Days

Day: 24.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,003,900 km

• M1: 46,076 km (0.07 R)
• M2: 277,654 km (0.103 R)
• M3: 427,252 km (0.027 R)
• M4: 622,626 km (0.101 R)
• M5: 865,872 km (0.072 R)
• M6: 1,076,057 km (0.095 R)
• M7: 1,193,492 km (0.081 R)
• M8: 1,704,967 km (0.112 R)
• M9: 2,845,950 km (0.043 R)
• M10: 3,189,875 km (0.099 R)
• M11: 3,638,370 km (0.062 R)
• M12: 5,005,994 km (0.036 R)
• M13: 6,149,071 km (0.034 R)
• M14: 6,801,168 km (0.105 R)
• M15: 7,711,770 km (0.102 R)
• M16: 16,105,258 km (0.09 R)
• M17: 16,749,426 km (0.085 R)
• M18: 17,936,785 km (0.107 R)
• M19: 20,065,712 km (0.116 R)
• M20: 21,661,024 km (0.063 R)
• M21: 31,026,898 km (0.077 R)
• M22: 40,113,921 km (0.093 R)
• M23: 47,840,501 km (0.076 R)
• M24: 47,986,808 km (0.028 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.6

Radius: 4

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 13.49 AU - 21.97 AU

Year: 27133 Days

Day: 24 Hours

Environment

Temp: -193 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,003,900 km

• M1: 49,966 km (0.092 R)
• M2: 262,395 km (0.115 R)
• M3: 888,013 km (0.102 R)
• M4: 1,107,623 km (0.109 R)
• M5: 1,282,203 km (0.102 R)
• M6: 1,816,866 km (0.038 R)
• M7: 2,550,045 km (0.109 R)
• M8: 3,865,011 km (0.07 R)
• M9: 4,795,061 km (0.068 R)
• M10: 5,226,202 km (0.037 R)
• M11: 5,398,688 km (0.092 R)
• M12: 6,960,340 km (0.105 R)
• M13: 9,444,413 km (0.106 R)
• M14: 9,700,524 km (0.112 R)
• M15: 11,801,477 km (0.054 R)
• M16: 13,402,024 km (0.054 R)
• M17: 14,321,004 km (0.08 R)
• M18: 15,211,261 km (0.103 R)
• M19: 40,782,773 km (0.112 R)
• M20: 41,325,215 km (0.079 R)
• M21: 42,841,838 km (0.05 R)
• M22: 45,548,213 km (0.099 R)
• M23: 52,248,552 km (0.068 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 11,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit