🌌 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: 739.9

Radius: 11.3

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.57 AU - 0.83 AU

Year: 412 Days

Day: 5.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,761,906 km

• M1: 140,472 km (0.119 R)
• M2: 579,841 km (0.107 R)
• M3: 1,031,777 km (0.081 R)
• M4: 1,524,402 km (0.111 R)
• M5: 1,955,992 km (0.118 R)
• M6: 2,712,808 km (0.091 R)
• M7: 3,070,795 km (0.108 R)
• M8: 3,484,434 km (0.071 R)
• M9: 4,067,267 km (0.117 R)
• M10: 4,596,993 km (0.095 R)
• M11: 5,047,283 km (0.103 R)
• M12: 5,744,259 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.4

Radius: 11.5

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.73 AU - 1.13 AU

Year: 630 Days

Day: 9.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,761,906 km

• M1: 143,464 km (0.099 R)
• M2: 529,277 km (0.098 R)
• M3: 984,653 km (0.062 R)
• M4: 1,379,292 km (0.12 R)
• M5: 2,429,320 km (0.087 R)
• M6: 3,233,259 km (0.085 R)
• M7: 3,775,850 km (0.071 R)
• M8: 4,347,015 km (0.097 R)
• M9: 4,854,900 km (0.12 R)
• M10: 5,257,019 km (0.073 R)
• M11: 6,683,734 km (0.083 R)
• M12: 7,567,558 km (0.039 R)
• M13: 8,231,324 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.1

Radius: 12.9

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.76 AU - 1.16 AU

Year: 661 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 29,761,906 km

• M1: 160,369 km (0.097 R)
• M2: 1,121,984 km (0.089 R)
• M3: 1,589,627 km (0.073 R)
• M4: 2,009,399 km (0.036 R)
• M5: 4,151,939 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.4

Radius: 11.9

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1 AU - 1.38 AU

Year: 912 Days

Day: 12.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,761,906 km

• M1: 148,700 km (0.09 R)
• M2: 623,524 km (0.105 R)
• M3: 1,045,390 km (0.113 R)
• M4: 1,433,148 km (0.088 R)
• M5: 1,994,588 km (0.097 R)
• M6: 2,687,526 km (0.094 R)
• M7: 3,123,753 km (0.11 R)
• M8: 3,520,935 km (0.112 R)
• M9: 4,318,891 km (0.107 R)
• M10: 4,849,664 km (0.044 R)
• M11: 5,442,819 km (0.066 R)
• M12: 5,858,103 km (0.045 R)
• M13: 6,315,873 km (0.029 R)
• M14: 7,859,124 km (0.047 R)
• M15: 9,028,231 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.1

Radius: 12.1

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.98 AU - 2.18 AU

Year: 2109 Days

Day: 5 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,761,906 km

• M1: 150,495 km (0.026 R)
• M2: 654,042 km (0.117 R)
• M3: 1,259,464 km (0.095 R)
• M4: 1,844,542 km (0.056 R)
• M5: 2,247,110 km (0.07 R)
• M6: 2,708,918 km (0.116 R)
• M7: 3,441,499 km (0.088 R)
• M8: 4,059,338 km (0.112 R)
• M9: 4,997,317 km (0.09 R)
• M10: 5,666,019 km (0.076 R)
• M11: 7,570,400 km (0.072 R)
• M12: 8,453,626 km (0.1 R)
• M13: 9,796,716 km (0.106 R)
• M14: 11,357,171 km (0.03 R)
• M15: 12,642,666 km (0.114 R)
• M16: 13,387,513 km (0.115 R)
• M17: 14,488,853 km (0.06 R)
• M18: 16,151,185 km (0.076 R)
• M19: 17,666,611 km (0.042 R)
• M20: 18,265,451 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.2

Radius: 11.4

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.99 AU - 2.91 AU

Year: 2696 Days

Day: 7.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,761,906 km

• M1: 142,417 km (0.074 R)
• M2: 508,932 km (0.088 R)
• M3: 900,280 km (0.12 R)
• M4: 1,297,163 km (0.066 R)
• M5: 2,041,263 km (0.111 R)
• M6: 3,037,585 km (0.065 R)
• M7: 4,228,085 km (0.114 R)
• M8: 4,619,881 km (0.082 R)
• M9: 5,435,788 km (0.117 R)
• M10: 6,031,337 km (0.111 R)
• M11: 6,764,816 km (0.113 R)
• M12: 7,869,297 km (0.059 R)
• M13: 8,381,969 km (0.099 R)
• M14: 9,207,300 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.1

Radius: 10.4

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.94 AU - 4.34 AU

Year: 4882 Days

Day: 5.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 29,761,906 km

• M1: 130,001 km (0.085 R)
• M2: 471,383 km (0.072 R)
• M3: 844,630 km (0.093 R)
• M4: 1,432,848 km (0.098 R)
• M5: 1,860,250 km (0.11 R)
• M6: 2,518,331 km (0.086 R)
• M7: 2,902,199 km (0.119 R)
• M8: 3,265,123 km (0.092 R)
• M9: 3,878,026 km (0.111 R)
• M10: 4,641,573 km (0.054 R)
• M11: 5,059,400 km (0.093 R)
• M12: 6,122,891 km (0.08 R)
• M13: 6,466,218 km (0.081 R)
• M14: 10,034,128 km (0.096 R)
• M15: 11,051,991 km (0.112 R)
• M16: 11,704,388 km (0.109 R)
• M17: 14,518,473 km (0.108 R)
• M18: 15,244,322 km (0.078 R)
• M19: 17,629,959 km (0.079 R)
• M20: 19,175,305 km (0.071 R)
• M21: 20,530,363 km (0.116 R)
• M22: 20,949,087 km (0.081 R)
• M23: 21,803,590 km (0.07 R)
• M24: 23,053,630 km (0.097 R)
• M25: 23,430,318 km (0.031 R)
• M26: 24,118,618 km (0.108 R)
• M27: 25,455,424 km (0.097 R)
• M28: 26,510,538 km (0.107 R)
• M29: 27,257,929 km (0.115 R)
• M30: 28,969,029 km (0.088 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 13,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit