🌌 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: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.3

Radius: 11.6

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.57 AU - 0.77 AU

Year: 372 Days

Day: 11.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,816,242 km

• M1: 144,960 km (0.108 R)
• M2: 648,656 km (0.08 R)
• M3: 1,475,035 km (0.103 R)
• M4: 2,029,594 km (0.115 R)
• M5: 2,636,064 km (0.098 R)
• M6: 3,010,208 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.3

Radius: 11.5

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.77 AU - 0.91 AU

Year: 522 Days

Day: 7.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 169.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,816,242 km

• M1: 167,250 km (0.071 R)
• M2: 692,189 km (0.062 R)
• M3: 1,187,209 km (0.116 R)
• M4: 1,873,414 km (0.089 R)
• M5: 2,302,760 km (0.087 R)
• M6: 2,909,679 km (0.053 R)
• M7: 3,516,148 km (0.078 R)
• M8: 3,905,552 km (0.108 R)
• M9: 6,305,999 km (0.028 R)
• M10: 6,966,474 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.2

Radius: 8.2

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.91 AU - 1.15 AU

Year: 709 Days

Day: 6.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,816,242 km

• M1: 102,325 km (0.062 R)
• M2: 461,958 km (0.081 R)
• M3: 763,398 km (0.078 R)
• M4: 1,035,068 km (0.107 R)
• M5: 1,976,337 km (0.069 R)
• M6: 2,633,371 km (0.105 R)
• M7: 2,910,127 km (0.079 R)
• M8: 3,270,509 km (0.08 R)
• M9: 3,549,957 km (0.085 R)
• M10: 3,932,778 km (0.101 R)
• M11: 4,814,807 km (0.058 R)
• M12: 5,356,801 km (0.105 R)
• M13: 5,784,650 km (0.066 R)
• M14: 6,708,866 km (0.062 R)
• M15: 7,250,710 km (0.089 R)
• M16: 7,986,582 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860

Radius: 13.5

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.87 AU - 2.03 AU

Year: 1847 Days

Day: 5.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,816,242 km

• M1: 167,998 km (0.046 R)
• M2: 701,764 km (0.05 R)
• M3: 1,337,405 km (0.101 R)
• M4: 1,826,440 km (0.083 R)
• M5: 2,900,104 km (0.095 R)
• M6: 4,833,208 km (0.075 R)
• M7: 5,480,817 km (0.12 R)
• M8: 6,059,911 km (0.055 R)
• M9: 6,813,884 km (0.12 R)
• M10: 7,747,225 km (0.12 R)
• M11: 8,198,861 km (0.053 R)
• M12: 8,668,149 km (0.102 R)
• M13: 9,388,912 km (0.083 R)
• M14: 11,443,190 km (0.08 R)
• M15: 12,070,155 km (0.105 R)
• M16: 12,637,579 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284

Radius: 12.7

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.77 AU - 2.87 AU

Year: 2397 Days

Day: 13.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,816,242 km

• M1: 157,975 km (0.095 R)
• M2: 584,030 km (0.114 R)
• M3: 991,834 km (0.099 R)
• M4: 1,618,948 km (0.113 R)
• M5: 2,030,941 km (0.108 R)
• M6: 2,426,178 km (0.064 R)
• M7: 2,887,239 km (0.114 R)
• M8: 3,816,092 km (0.093 R)
• M9: 4,388,154 km (0.097 R)
• M10: 4,794,013 km (0.059 R)
• M11: 5,704,765 km (0.097 R)
• M12: 7,138,062 km (0.1 R)
• M13: 7,674,670 km (0.115 R)
• M14: 8,441,957 km (0.096 R)
• M15: 9,480,167 km (0.089 R)
• M16: 10,499,227 km (0.074 R)
• M17: 11,265,767 km (0.072 R)
• M18: 11,920,407 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.4

Radius: 3.4

Gravity: 72.96 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.58 AU - 8.06 AU

Year: 14832 Days

Day: 17.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,816,242 km

• M1: 42,336 km (0.102 R)
• M2: 151,991 km (0.106 R)
• M3: 353,350 km (0.077 R)
• M4: 724,652 km (0.052 R)
• M5: 920,027 km (0.107 R)
• M6: 1,098,198 km (0.052 R)
• M7: 1,257,071 km (0.11 R)
• M8: 1,687,763 km (0.082 R)
• M9: 1,936,844 km (0.078 R)
• M10: 2,070,285 km (0.094 R)
• M11: 2,313,381 km (0.095 R)
• M12: 2,575,178 km (0.075 R)
• M13: 3,236,251 km (0.118 R)
• M14: 3,563,571 km (0.109 R)
• M15: 4,033,757 km (0.065 R)
• M16: 8,540,243 km (0.105 R)
• M17: 10,267,351 km (0.083 R)
• M18: 11,831,845 km (0.07 R)
• M19: 23,340,559 km (0.103 R)
• M20: 27,100,701 km (0.115 R)
• M21: 32,466,927 km (0.079 R)
• M22: 38,777,414 km (0.083 R)
• M23: 44,164,882 km (0.065 R)
• M24: 47,593,515 km (0.094 R)
• M25: 48,396,706 km (0.072 R)
• M26: 54,273,808 km (0.097 R)
• M27: 65,423,786 km (0.094 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 13,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit