🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.3

Radius: 8

Gravity: 14.36 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.57 AU - 0.79 AU

Year: 357 Days

Day: 11.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,106,001 km

• M1: 99,483 km (0.098 R)
• M2: 359,932 km (0.084 R)
• M3: 612,304 km (0.064 R)
• M4: 1,005,447 km (0.114 R)
• M5: 1,453,792 km (0.059 R)
• M6: 1,916,349 km (0.114 R)
• M7: 2,217,639 km (0.025 R)
• M8: 2,579,815 km (0.116 R)
• M9: 3,013,500 km (0.045 R)
• M10: 3,495,055 km (0.105 R)
• M11: 4,312,607 km (0.065 R)
• M12: 4,626,314 km (0.082 R)
• M13: 4,879,135 km (0.032 R)
• M14: 5,710,450 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.6

Radius: 14.3

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.71 AU - 0.87 AU

Year: 446 Days

Day: 13.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,106,001 km

• M1: 177,872 km (0.108 R)
• M2: 773,870 km (0.038 R)
• M3: 1,584,840 km (0.087 R)
• M4: 2,083,150 km (0.08 R)
• M5: 2,620,655 km (0.092 R)
• M6: 3,100,416 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206

Radius: 12.3

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.16 AU - 1.56 AU

Year: 1008 Days

Day: 13.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,106,001 km

• M1: 153,039 km (0.112 R)
• M2: 559,646 km (0.057 R)
• M3: 958,474 km (0.057 R)
• M4: 1,543,401 km (0.113 R)
• M5: 2,056,372 km (0.109 R)
• M6: 2,629,781 km (0.119 R)
• M7: 3,058,229 km (0.118 R)
• M8: 4,435,876 km (0.099 R)
• M9: 5,179,976 km (0.102 R)
• M10: 6,154,456 km (0.116 R)
• M11: 6,735,345 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.2

Radius: 13.8

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.48 AU - 1.88 AU

Year: 1385 Days

Day: 12.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,106,001 km

• M1: 172,636 km (0.035 R)
• M2: 795,262 km (0.036 R)
• M3: 1,294,770 km (0.08 R)
• M4: 2,276,431 km (0.109 R)
• M5: 2,739,436 km (0.11 R)
• M6: 3,403,800 km (0.067 R)
• M7: 4,049,614 km (0.098 R)
• M8: 4,795,809 km (0.118 R)
• M9: 5,610,219 km (0.03 R)
• M10: 6,179,439 km (0.059 R)
• M11: 7,092,734 km (0.11 R)
• M12: 7,787,018 km (0.072 R)
• M13: 11,777,392 km (0.119 R)
• M14: 12,446,842 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.8

Radius: 10.4

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.15 AU - 2.35 AU

Year: 2146 Days

Day: 5.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,106,001 km

• M1: 129,402 km (0.1 R)
• M2: 749,186 km (0.078 R)
• M3: 1,786,947 km (0.088 R)
• M4: 2,841,761 km (0.048 R)
• M5: 3,251,659 km (0.094 R)
• M6: 4,332,654 km (0.112 R)
• M7: 4,982,058 km (0.093 R)
• M8: 6,728,763 km (0.083 R)
• M9: 7,740,643 km (0.078 R)
• M10: 8,444,650 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.6

Radius: 11.4

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5 AU - 5.74 AU

Year: 7912 Days

Day: 13.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,106,001 km

• M1: 141,819 km (0.115 R)
• M2: 623,823 km (0.099 R)
• M3: 1,145,920 km (0.079 R)
• M4: 2,262,369 km (0.032 R)
• M5: 3,141,555 km (0.053 R)
• M6: 3,551,902 km (0.025 R)
• M7: 4,211,030 km (0.035 R)
• M8: 5,140,781 km (0.075 R)
• M9: 7,299,030 km (0.112 R)
• M10: 8,598,437 km (0.108 R)
• M11: 9,959,628 km (0.11 R)
• M12: 10,578,664 km (0.113 R)
• M13: 11,747,622 km (0.1 R)
• M14: 14,563,802 km (0.09 R)
• M15: 17,420,822 km (0.097 R)
• M16: 18,914,108 km (0.048 R)
• M17: 19,932,869 km (0.096 R)
• M18: 20,773,908 km (0.085 R)
• M19: 21,131,298 km (0.099 R)
• M20: 23,748,961 km (0.076 R)
• M21: 25,338,139 km (0.071 R)
• M22: 27,939,796 km (0.045 R)
• M23: 28,639,166 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.8

Radius: 10.2

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.55 AU - 6.07 AU

Year: 8904 Days

Day: 5.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,106,001 km

• M1: 127,158 km (0.08 R)
• M2: 670,647 km (0.098 R)
• M3: 1,316,012 km (0.066 R)
• M4: 1,753,437 km (0.062 R)
• M5: 2,092,575 km (0.113 R)
• M6: 2,769,805 km (0.102 R)
• M7: 3,407,540 km (0.109 R)
• M8: 5,601,094 km (0.104 R)
• M9: 6,346,690 km (0.078 R)
• M10: 8,728,437 km (0.073 R)
• M11: 9,241,857 km (0.063 R)
• M12: 15,294,737 km (0.114 R)
• M13: 15,915,418 km (0.101 R)
• M14: 16,295,846 km (0.09 R)
• M15: 17,406,759 km (0.103 R)
• M16: 22,280,209 km (0.069 R)
• M17: 24,985,088 km (0.075 R)
• M18: 30,841,097 km (0.072 R)
• M19: 32,234,003 km (0.117 R)
• M20: 34,401,377 km (0.04 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 12,266 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit