🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.2

Radius: 8.9

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.77 AU - 0.87 AU

Year: 479 Days

Day: 13 Hours

Environment

Temp: -152 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,811,526 km

• M1: 110,702 km (0.113 R)
• M2: 410,796 km (0.072 R)
• M3: 718,519 km (0.118 R)
• M4: 1,037,461 km (0.112 R)
• M5: 1,810,433 km (0.048 R)
• M6: 2,098,409 km (0.114 R)
• M7: 2,445,327 km (0.039 R)
• M8: 2,872,130 km (0.105 R)
• M9: 3,502,086 km (0.073 R)
• M10: 4,207,440 km (0.117 R)
• M11: 4,882,575 km (0.105 R)
• M12: 5,694,892 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.5

Radius: 14

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.81 AU - 1.23 AU

Year: 665 Days

Day: 6.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,811,526 km

• M1: 174,132 km (0.069 R)
• M2: 650,003 km (0.062 R)
• M3: 1,171,052 km (0.115 R)
• M4: 1,692,999 km (0.057 R)
• M5: 2,158,996 km (0.082 R)
• M6: 2,828,896 km (0.046 R)
• M7: 3,859,027 km (0.036 R)
• M8: 4,306,923 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.9

Radius: 12.6

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.9 AU - 1.22 AU

Year: 705 Days

Day: 6.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,811,526 km

• M1: 157,078 km (0.065 R)
• M2: 580,889 km (0.114 R)
• M3: 997,668 km (0.095 R)
• M4: 1,616,106 km (0.081 R)
• M5: 2,189,514 km (0.103 R)
• M6: 3,251,061 km (0.084 R)
• M7: 3,928,141 km (0.12 R)
• M8: 4,414,035 km (0.045 R)
• M9: 4,852,357 km (0.084 R)
• M10: 5,738,724 km (0.066 R)
• M11: 6,928,326 km (0.11 R)
• M12: 8,175,823 km (0.076 R)
• M13: 8,972,132 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.8

Radius: 13.3

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.06 AU - 1.2 AU

Year: 776 Days

Day: 6.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,811,526 km

• M1: 165,455 km (0.078 R)
• M2: 681,418 km (0.085 R)
• M3: 1,190,201 km (0.071 R)
• M4: 1,789,041 km (0.081 R)
• M5: 2,314,279 km (0.1 R)
• M6: 2,769,954 km (0.086 R)
• M7: 3,250,163 km (0.088 R)
• M8: 3,707,783 km (0.1 R)
• M9: 4,138,326 km (0.089 R)
• M10: 4,878,835 km (0.116 R)
• M11: 5,740,818 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.8

Radius: 11.7

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.64 AU - 1.78 AU

Year: 1444 Days

Day: 11.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,811,526 km

• M1: 146,008 km (0.073 R)
• M2: 537,206 km (0.042 R)
• M3: 1,033,422 km (0.063 R)
• M4: 1,457,233 km (0.049 R)
• M5: 2,477,042 km (0.046 R)
• M6: 4,452,033 km (0.076 R)
• M7: 6,293,882 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675

Radius: 10.7

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.3 AU - 3.02 AU

Year: 2801 Days

Day: 11.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,811,526 km

• M1: 133,292 km (0.045 R)
• M2: 653,892 km (0.103 R)
• M3: 1,056,161 km (0.107 R)
• M4: 2,133,565 km (0.112 R)
• M5: 2,608,538 km (0.104 R)
• M6: 3,187,631 km (0.1 R)
• M7: 4,009,971 km (0.088 R)
• M8: 4,737,914 km (0.079 R)
• M9: 5,133,750 km (0.047 R)
• M10: 5,704,466 km (0.072 R)
• M11: 6,372,420 km (0.11 R)
• M12: 7,424,842 km (0.089 R)
• M13: 8,387,354 km (0.054 R)
• M14: 9,073,859 km (0.119 R)
• M15: 9,540,006 km (0.083 R)
• M16: 10,326,591 km (0.117 R)
• M17: 12,548,120 km (0.088 R)
• M18: 12,991,977 km (0.103 R)
• M19: 13,400,379 km (0.087 R)
• M20: 16,085,511 km (0.077 R)
• M21: 16,769,173 km (0.025 R)
• M22: 17,362,628 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.2

Radius: 6.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.13 AU - 8.95 AU

Year: 14720 Days

Day: 21.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 36,811,526 km

• M1: 85,121 km (0.106 R)
• M2: 434,432 km (0.074 R)
• M3: 971,040 km (0.09 R)
• M4: 1,288,038 km (0.059 R)
• M5: 2,615,868 km (0.109 R)
• M6: 3,045,513 km (0.061 R)
• M7: 3,589,900 km (0.113 R)
• M8: 3,825,068 km (0.113 R)
• M9: 4,146,255 km (0.119 R)
• M10: 4,485,243 km (0.119 R)
• M11: 4,870,907 km (0.108 R)
• M12: 6,708,717 km (0.1 R)
• M13: 6,922,043 km (0.078 R)
• M14: 7,704,440 km (0.098 R)
• M15: 8,380,024 km (0.026 R)
• M16: 9,399,833 km (0.115 R)
• M17: 11,531,153 km (0.06 R)
• M18: 12,045,022 km (0.106 R)
• M19: 12,467,187 km (0.075 R)
• M20: 13,396,938 km (0.094 R)
• M21: 14,080,451 km (0.091 R)
• M22: 14,967,267 km (0.117 R)
• M23: 17,918,683 km (0.1 R)
• M24: 19,675,112 km (0.105 R)
• M25: 20,408,740 km (0.068 R)
• M26: 21,697,675 km (0.112 R)
• M27: 24,102,910 km (0.072 R)
• M28: 25,714,976 km (0.068 R)
• M29: 29,721,507 km (0.101 R)
• M30: 30,201,566 km (0.091 R)
• M31: 35,505,110 km (0.088 R)
• M32: 35,828,840 km (0.106 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 14,375 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit