🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.46 AU - 0.68 AU

Year: 278 Days

Day: 23.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,384,813 km

• M1: 139,126 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.62 AU - 0.68 AU

Year: 338 Days

Day: 47.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 52.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.8

Radius: 10.1

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.24 AU - 1.44 AU

Year: 1002 Days

Day: 14.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,384,813 km

• M1: 125,662 km (0.102 R)
• M2: 481,705 km (0.118 R)
• M3: 908,358 km (0.101 R)
• M4: 1,257,968 km (0.054 R)
• M5: 1,761,814 km (0.107 R)
• M6: 2,295,579 km (0.094 R)
• M7: 2,631,576 km (0.094 R)
• M8: 3,218,748 km (0.064 R)
• M9: 3,939,211 km (0.089 R)
• M10: 4,442,010 km (0.114 R)
• M11: 5,120,436 km (0.113 R)
• M12: 5,657,941 km (0.095 R)
• M13: 5,993,938 km (0.092 R)
• M14: 7,083,310 km (0.098 R)
• M15: 8,087,710 km (0.03 R)
• M16: 8,762,097 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.1

Radius: 14.7

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.21 AU - 1.77 AU

Year: 1174 Days

Day: 10.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,384,813 km

• M1: 182,809 km (0.052 R)
• M2: 750,981 km (0.052 R)
• M3: 1,475,185 km (0.043 R)
• M4: 2,021,666 km (0.062 R)
• M5: 2,539,873 km (0.105 R)
• M6: 3,200,946 km (0.098 R)
• M7: 3,774,354 km (0.119 R)
• M8: 4,416,129 km (0.084 R)
• M9: 5,036,960 km (0.103 R)
• M10: 5,595,110 km (0.062 R)
• M11: 6,432,708 km (0.064 R)
• M12: 7,844,763 km (0.077 R)
• M13: 9,398,037 km (0.1 R)
• M14: 9,978,627 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.6

Radius: 14.6

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.17 AU - 2.81 AU

Year: 2537 Days

Day: 14.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,384,813 km

• M1: 181,612 km (0.067 R)
• M2: 723,904 km (0.038 R)
• M3: 1,405,023 km (0.069 R)
• M4: 2,400,298 km (0.08 R)
• M5: 2,917,607 km (0.079 R)
• M6: 3,690,879 km (0.084 R)
• M7: 5,899,841 km (0.088 R)
• M8: 6,376,908 km (0.104 R)
• M9: 7,795,395 km (0.099 R)
• M10: 8,579,587 km (0.103 R)
• M11: 9,037,507 km (0.09 R)
• M12: 12,138,820 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.1

Radius: 14.6

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.96 AU - 4.72 AU

Year: 4859 Days

Day: 12.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,384,813 km

• M1: 196,871 km (0.103 R)
• M2: 1,054,815 km (0.112 R)
• M3: 2,994,949 km (0.063 R)
• M4: 3,491,614 km (0.086 R)
• M5: 4,020,293 km (0.069 R)
• M6: 5,495,029 km (0.107 R)
• M7: 8,253,165 km (0.115 R)
• M8: 11,638,116 km (0.063 R)
• M9: 12,725,393 km (0.044 R)
• M10: 13,294,015 km (0.096 R)
• M11: 14,151,211 km (0.087 R)
• M12: 14,931,214 km (0.075 R)
• M13: 16,945,400 km (0.113 R)
• M14: 19,202,083 km (0.084 R)
• M15: 20,158,612 km (0.085 R)
• M16: 22,764,308 km (0.09 R)
• M17: 25,832,710 km (0.074 R)
• M18: 27,083,049 km (0.12 R)
• M19: 28,460,995 km (0.101 R)
• M20: 31,076,714 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.1

Radius: 13.6

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.86 AU - 3.92 AU

Year: 4954 Days

Day: 10.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,384,813 km

• M1: 172,187 km (0.059 R)
• M2: 639,830 km (0.11 R)
• M3: 1,298,809 km (0.058 R)
• M4: 2,006,107 km (0.119 R)
• M5: 2,960,243 km (0.117 R)
• M6: 3,573,893 km (0.057 R)
• M7: 5,816,814 km (0.119 R)
• M8: 6,853,078 km (0.062 R)
• M9: 7,708,479 km (0.083 R)
• M10: 9,503,055 km (0.096 R)
• M11: 9,981,320 km (0.046 R)
• M12: 11,758,542 km (0.099 R)
• M13: 13,357,893 km (0.118 R)
• M14: 14,126,078 km (0.098 R)
• M15: 14,692,605 km (0.119 R)
• M16: 15,630,584 km (0.096 R)
• M17: 16,545,824 km (0.099 R)
• M18: 18,617,455 km (0.109 R)
• M19: 20,281,133 km (0.082 R)
• M20: 21,222,552 km (0.106 R)
• M21: 24,141,955 km (0.077 R)
• M22: 26,372,609 km (0.076 R)
• M23: 27,059,113 km (0.1 R)
• M24: 32,203,335 km (0.093 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 11,713 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit