🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.4

Radius: 13.5

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.53 AU - 0.87 AU

Year: 391 Days

Day: 10.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,628,780 km

• M1: 167,849 km (0.09 R)
• M2: 648,507 km (0.104 R)
• M3: 1,210,845 km (0.098 R)
• M4: 1,826,440 km (0.105 R)
• M5: 2,523,716 km (0.08 R)
• M6: 3,125,997 km (0.097 R)
• M7: 4,038,843 km (0.081 R)
• M8: 4,765,440 km (0.099 R)
• M9: 5,276,317 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.7

Radius: 10.3

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.58 AU - 0.88 AU

Year: 416 Days

Day: 6.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,628,780 km

• M1: 128,205 km (0.064 R)
• M2: 491,579 km (0.072 R)
• M3: 1,096,403 km (0.092 R)
• M4: 1,423,723 km (0.116 R)
• M5: 1,830,779 km (0.096 R)
• M6: 2,198,191 km (0.099 R)
• M7: 2,520,724 km (0.097 R)
• M8: 3,093,834 km (0.113 R)
• M9: 3,956,265 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.7

Radius: 14.6

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.85 AU - 0.99 AU

Year: 588 Days

Day: 7.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,628,780 km

• M1: 182,210 km (0.101 R)
• M2: 671,694 km (0.114 R)
• M3: 1,432,400 km (0.099 R)
• M4: 2,001,919 km (0.103 R)
• M5: 3,788,566 km (0.045 R)
• M6: 4,638,581 km (0.062 R)
• M7: 5,118,042 km (0.063 R)
• M8: 5,685,766 km (0.094 R)
• M9: 6,535,183 km (0.054 R)
• M10: 7,601,517 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.8

Radius: 11.3

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.69 AU - 2.67 AU

Year: 2146 Days

Day: 10.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 18,628,780 km

• M1: 153,188 km (0.078 R)
• M2: 649,704 km (0.063 R)
• M3: 1,825,244 km (0.093 R)
• M4: 2,410,171 km (0.104 R)
• M5: 3,475,159 km (0.116 R)
• M6: 4,154,034 km (0.115 R)
• M7: 4,697,672 km (0.096 R)
• M8: 5,194,487 km (0.119 R)
• M9: 6,293,582 km (0.094 R)
• M10: 7,215,255 km (0.117 R)
• M11: 7,847,007 km (0.119 R)
• M12: 8,779,899 km (0.109 R)
• M13: 9,290,626 km (0.097 R)
• M14: 9,965,911 km (0.11 R)
• M15: 10,635,661 km (0.107 R)
• M16: 11,020,576 km (0.114 R)
• M17: 11,859,072 km (0.115 R)
• M18: 12,782,689 km (0.112 R)
• M19: 14,164,824 km (0.078 R)
• M20: 15,011,698 km (0.118 R)
• M21: 15,644,048 km (0.116 R)
• M22: 16,858,184 km (0.082 R)
• M23: 18,134,104 km (0.037 R)
• M24: 18,518,122 km (0.078 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 13,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit