🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175

Radius: 14.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.53 AU - 0.79 AU

Year: 370 Days

Day: 10.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,101,308 km

• M1: 176,525 km (0.104 R)
• M2: 1,055,712 km (0.12 R)
• M3: 1,537,866 km (0.098 R)
• M4: 2,040,216 km (0.107 R)
• M5: 2,793,291 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.4

Radius: 9.3

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.13 AU - 1.31 AU

Year: 930 Days

Day: 14.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,101,308 km

• M1: 115,639 km (0.103 R)
• M2: 446,550 km (0.098 R)
• M3: 778,807 km (0.053 R)
• M4: 1,161,927 km (0.099 R)
• M5: 1,655,001 km (0.105 R)
• M6: 2,301,414 km (0.049 R)
• M7: 2,860,012 km (0.075 R)
• M8: 3,345,308 km (0.077 R)
• M9: 3,777,645 km (0.095 R)
• M10: 4,133,090 km (0.083 R)
• M11: 4,848,317 km (0.039 R)
• M12: 5,369,516 km (0.092 R)
• M13: 5,731,543 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389

Radius: 9.5

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.95 AU - 1.97 AU

Year: 1894 Days

Day: 6.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,101,308 km

• M1: 118,332 km (0.032 R)
• M2: 418,425 km (0.11 R)
• M3: 1,253,630 km (0.084 R)
• M4: 2,360,056 km (0.119 R)
• M5: 2,715,351 km (0.117 R)
• M6: 4,306,324 km (0.037 R)
• M7: 8,427,446 km (0.112 R)
• M8: 8,958,968 km (0.061 R)
• M9: 9,766,048 km (0.058 R)
• M10: 10,319,411 km (0.098 R)
• M11: 11,776,195 km (0.116 R)
• M12: 12,667,948 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.1

Radius: 12.2

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.84 AU - 2.66 AU

Year: 2330 Days

Day: 13.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,101,308 km

• M1: 151,692 km (0.11 R)
• M2: 549,323 km (0.094 R)
• M3: 1,027,588 km (0.108 R)
• M4: 1,697,936 km (0.101 R)
• M5: 2,127,282 km (0.116 R)
• M6: 2,674,810 km (0.097 R)
• M7: 3,227,724 km (0.108 R)
• M8: 3,701,051 km (0.081 R)
• M9: 5,091,564 km (0.086 R)
• M10: 6,078,610 km (0.085 R)
• M11: 6,950,766 km (0.117 R)
• M12: 7,340,618 km (0.085 R)
• M13: 8,978,715 km (0.065 R)
• M14: 11,498,242 km (0.092 R)
• M15: 12,786,579 km (0.059 R)
• M16: 14,699,786 km (0.103 R)
• M17: 15,244,023 km (0.1 R)
• M18: 15,648,236 km (0.118 R)
• M19: 16,583,971 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.1

Radius: 8.8

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.9 AU - 3.94 AU

Year: 5357 Days

Day: 8.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,101,308 km

• M1: 111,301 km (0.118 R)
• M2: 714,180 km (0.111 R)
• M3: 1,108,371 km (0.095 R)
• M4: 1,562,999 km (0.094 R)
• M5: 1,885,681 km (0.106 R)
• M6: 2,524,015 km (0.094 R)
• M7: 2,909,230 km (0.074 R)
• M8: 3,650,936 km (0.072 R)
• M9: 7,140,905 km (0.103 R)
• M10: 7,640,861 km (0.062 R)
• M11: 8,710,785 km (0.097 R)
• M12: 11,222,982 km (0.077 R)
• M13: 13,508,688 km (0.109 R)
• M14: 16,488,677 km (0.091 R)
• M15: 17,362,329 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.3

Radius: 7.6

Gravity: 14.72 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.99 AU - 8.87 AU

Year: 15414 Days

Day: 16.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,101,308 km

• M1: 151,543 km (0.116 R)
• M2: 425,905 km (0.094 R)
• M3: 1,067,381 km (0.12 R)
• M4: 1,329,027 km (0.115 R)
• M5: 2,606,593 km (0.106 R)
• M6: 3,405,147 km (0.12 R)
• M7: 3,981,398 km (0.082 R)
• M8: 4,520,848 km (0.117 R)
• M9: 6,603,400 km (0.106 R)
• M10: 6,951,963 km (0.032 R)
• M11: 7,638,766 km (0.097 R)
• M12: 7,877,525 km (0.083 R)
• M13: 8,170,587 km (0.031 R)
• M14: 8,572,556 km (0.102 R)
• M15: 9,914,599 km (0.116 R)
• M16: 18,258,719 km (0.119 R)
• M17: 18,514,532 km (0.051 R)
• M18: 19,473,155 km (0.053 R)
• M19: 20,925,900 km (0.081 R)
• M20: 23,438,546 km (0.099 R)
• M21: 29,403,162 km (0.104 R)
• M22: 31,189,810 km (0.12 R)
• M23: 32,295,787 km (0.088 R)
• M24: 33,047,516 km (0.077 R)
• M25: 38,360,185 km (0.119 R)
• M26: 43,301,403 km (0.042 R)
• M27: 47,193,939 km (0.099 R)
• M28: 53,199,845 km (0.112 R)
• M29: 56,385,382 km (0.053 R)
• M30: 61,017,381 km (0.068 R)
• M31: 68,739,773 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.4

Radius: 7.4

Gravity: 12.02 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.68 AU - 12.2 AU

Year: 23284 Days

Day: 21.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,101,308 km

• M1: 92,302 km (0.039 R)
• M2: 407,205 km (0.078 R)
• M3: 726,597 km (0.086 R)
• M4: 1,128,566 km (0.103 R)
• M5: 1,452,296 km (0.053 R)
• M6: 1,780,963 km (0.087 R)
• M7: 2,180,090 km (0.113 R)
• M8: 2,517,433 km (0.113 R)
• M9: 2,786,709 km (0.09 R)
• M10: 8,932,190 km (0.073 R)
• M11: 15,303,563 km (0.09 R)
• M12: 20,163,998 km (0.074 R)
• M13: 23,632,873 km (0.065 R)
• M14: 30,434,041 km (0.107 R)
• M15: 31,856,119 km (0.113 R)
• M16: 33,186,792 km (0.068 R)
• M17: 39,031,431 km (0.106 R)
• M18: 41,486,930 km (0.116 R)
• M19: 42,116,438 km (0.061 R)
• M20: 59,204,704 km (0.093 R)
• M21: 63,266,136 km (0.105 R)
• M22: 81,616,110 km (0.051 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 15,614 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit