🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.8

Radius: 8.5

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.89 AU - 1.31 AU

Year: 796 Days

Day: 13.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,540,785 km

• M1: 105,766 km (0.051 R)
• M2: 375,191 km (0.108 R)
• M3: 707,149 km (0.102 R)
• M4: 1,020,856 km (0.07 R)
• M5: 1,296,864 km (0.034 R)
• M6: 1,777,671 km (0.112 R)
• M7: 2,069,387 km (0.056 R)
• M8: 2,627,986 km (0.105 R)
• M9: 3,181,947 km (0.09 R)
• M10: 4,133,539 km (0.103 R)
• M11: 5,626,825 km (0.064 R)
• M12: 6,202,777 km (0.081 R)
• M13: 6,712,307 km (0.079 R)
• M14: 7,472,264 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.1

Radius: 13.4

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2 AU - 3 AU

Year: 2728 Days

Day: 14.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,540,785 km

• M1: 166,652 km (0.076 R)
• M2: 801,994 km (0.085 R)
• M3: 1,234,781 km (0.025 R)
• M4: 1,661,733 km (0.082 R)
• M5: 2,380,252 km (0.101 R)
• M6: 3,627,898 km (0.077 R)
• M7: 4,060,834 km (0.059 R)
• M8: 4,550,618 km (0.095 R)
• M9: 5,248,940 km (0.11 R)
• M10: 5,753,534 km (0.069 R)
• M11: 6,457,841 km (0.109 R)
• M12: 7,280,031 km (0.108 R)
• M13: 8,006,628 km (0.036 R)
• M14: 8,677,275 km (0.119 R)
• M15: 9,458,176 km (0.117 R)
• M16: 10,246,557 km (0.099 R)
• M17: 12,127,002 km (0.089 R)
• M18: 12,697,867 km (0.079 R)
• M19: 13,149,054 km (0.07 R)
• M20: 15,364,749 km (0.118 R)
• M21: 17,763,102 km (0.085 R)
• M22: 19,139,701 km (0.106 R)
• M23: 20,278,889 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.9

Radius: 11.4

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.88 AU - 4.6 AU

Year: 6026 Days

Day: 10 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,540,785 km

• M1: 150,645 km (0.096 R)
• M2: 648,208 km (0.109 R)
• M3: 1,253,481 km (0.096 R)
• M4: 1,644,081 km (0.105 R)
• M5: 3,570,303 km (0.102 R)
• M6: 4,149,695 km (0.118 R)
• M7: 5,035,764 km (0.101 R)
• M8: 5,418,584 km (0.068 R)
• M9: 7,373,081 km (0.104 R)
• M10: 7,868,250 km (0.118 R)
• M11: 11,449,922 km (0.12 R)
• M12: 12,205,541 km (0.118 R)
• M13: 15,140,352 km (0.11 R)
• M14: 17,571,168 km (0.074 R)
• M15: 18,276,970 km (0.075 R)
• M16: 23,828,248 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.8

Radius: 9.8

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.66 AU - 5.3 AU

Year: 6545 Days

Day: 6.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,540,785 km

• M1: 121,922 km (0.107 R)
• M2: 1,020,557 km (0.06 R)
• M3: 1,537,268 km (0.107 R)
• M4: 1,917,845 km (0.098 R)
• M5: 2,314,129 km (0.106 R)
• M6: 7,591,344 km (0.072 R)
• M7: 8,098,780 km (0.085 R)
• M8: 9,061,143 km (0.109 R)
• M9: 12,957,719 km (0.057 R)
• M10: 21,051,861 km (0.106 R)
• M11: 26,056,060 km (0.118 R)
• M12: 27,800,969 km (0.111 R)
• M13: 28,399,660 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805

Radius: 6.1

Gravity: 21.63 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.49 AU - 11.67 AU

Year: 20467 Days

Day: 19.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,540,785 km

• M1: 75,846 km (0.119 R)
• M2: 271,819 km (0.07 R)
• M3: 634,594 km (0.088 R)
• M4: 1,067,082 km (0.11 R)
• M5: 2,720,288 km (0.09 R)
• M6: 3,084,110 km (0.11 R)
• M7: 3,659,314 km (0.046 R)
• M8: 4,004,735 km (0.118 R)
• M9: 4,337,590 km (0.1 R)
• M10: 5,368,170 km (0.099 R)
• M11: 6,507,807 km (0.063 R)
• M12: 6,735,345 km (0.119 R)
• M13: 7,254,599 km (0.068 R)
• M14: 8,751,625 km (0.113 R)
• M15: 9,485,103 km (0.088 R)
• M16: 11,074,132 km (0.068 R)
• M17: 11,663,099 km (0.082 R)
• M18: 13,263,347 km (0.074 R)
• M19: 13,777,964 km (0.114 R)
• M20: 15,401,998 km (0.108 R)
• M21: 16,218,504 km (0.099 R)
• M22: 19,964,733 km (0.119 R)
• M23: 23,284,460 km (0.094 R)
• M24: 25,465,746 km (0.118 R)
• M25: 31,378,004 km (0.069 R)
• M26: 32,159,353 km (0.074 R)
• M27: 33,761,098 km (0.118 R)
• M28: 36,547,508 km (0.096 R)
• M29: 38,586,676 km (0.053 R)
• M30: 40,854,430 km (0.076 R)
• M31: 44,665,137 km (0.044 R)
• M32: 48,706,224 km (0.099 R)
• M33: 60,459,082 km (0.115 R)
• M34: 63,718,670 km (0.078 R)
• M35: 71,030,565 km (0.051 R)
• M36: 72,150,754 km (0.058 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 13,957 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit