🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.1

Radius: 9.7

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.44 AU - 0.58 AU

Year: 256 Days

Day: 11.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,064,689 km

• M1: 120,576 km (0.085 R)
• M2: 435,031 km (0.079 R)
• M3: 840,441 km (0.091 R)
• M4: 1,281,007 km (0.116 R)
• M5: 1,775,876 km (0.051 R)
• M6: 2,302,461 km (0.116 R)
• M7: 2,789,402 km (0.046 R)
• M8: 3,151,130 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322

Radius: 13.3

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.45 AU - 0.75 AU

Year: 327 Days

Day: 14.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,064,689 km

• M1: 165,455 km (0.062 R)
• M2: 771,626 km (0.107 R)
• M3: 1,189,153 km (0.094 R)
• M4: 1,758,373 km (0.086 R)
• M5: 2,531,645 km (0.061 R)
• M6: 2,974,754 km (0.116 R)
• M7: 3,470,072 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.2

Radius: 11

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.25 AU - 2.93 AU

Year: 2930 Days

Day: 10.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,064,689 km

• M1: 136,882 km (0.109 R)
• M2: 501,153 km (0.096 R)
• M3: 1,024,297 km (0.117 R)
• M4: 1,598,453 km (0.086 R)
• M5: 3,411,280 km (0.07 R)
• M6: 4,324,426 km (0.045 R)
• M7: 5,080,044 km (0.087 R)
• M8: 5,543,798 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.9

Radius: 10.1

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.2 AU - 4.18 AU

Year: 4983 Days

Day: 8.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,064,689 km

• M1: 126,560 km (0.102 R)
• M2: 462,257 km (0.051 R)
• M3: 881,431 km (0.108 R)
• M4: 1,405,173 km (0.079 R)
• M5: 1,982,471 km (0.105 R)
• M6: 2,801,071 km (0.036 R)
• M7: 3,257,643 km (0.095 R)
• M8: 3,589,302 km (0.113 R)
• M9: 4,594,599 km (0.107 R)
• M10: 4,986,396 km (0.107 R)
• M11: 6,329,336 km (0.108 R)
• M12: 6,749,258 km (0.107 R)
• M13: 7,502,333 km (0.098 R)
• M14: 8,386,606 km (0.095 R)
• M15: 11,084,005 km (0.1 R)
• M16: 11,743,283 km (0.094 R)
• M17: 12,180,707 km (0.082 R)
• M18: 12,882,770 km (0.108 R)
• M19: 14,756,035 km (0.115 R)
• M20: 15,670,078 km (0.1 R)
• M21: 16,380,219 km (0.095 R)
• M22: 16,743,143 km (0.096 R)
• M23: 18,968,860 km (0.087 R)
• M24: 20,464,690 km (0.066 R)
• M25: 23,231,353 km (0.111 R)
• M26: 25,746,990 km (0.118 R)
• M27: 28,700,651 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.3

Radius: 9.2

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.35 AU - 5.73 AU

Year: 7953 Days

Day: 11.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 171.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,064,689 km

• M1: 114,442 km (0.118 R)
• M2: 618,886 km (0.091 R)
• M3: 1,276,967 km (0.108 R)
• M4: 2,028,398 km (0.094 R)
• M5: 2,550,494 km (0.104 R)
• M6: 2,994,501 km (0.05 R)
• M7: 3,409,934 km (0.12 R)
• M8: 3,950,132 km (0.051 R)
• M9: 4,403,563 km (0.117 R)
• M10: 5,524,051 km (0.105 R)
• M11: 6,062,753 km (0.119 R)
• M12: 6,856,220 km (0.106 R)
• M13: 9,141,776 km (0.109 R)
• M14: 9,814,668 km (0.117 R)
• M15: 11,082,061 km (0.083 R)
• M16: 11,985,482 km (0.074 R)
• M17: 13,683,568 km (0.108 R)
• M18: 14,041,555 km (0.075 R)
• M19: 15,098,913 km (0.1 R)
• M20: 16,899,772 km (0.119 R)
• M21: 17,252,674 km (0.096 R)
• M22: 19,862,857 km (0.079 R)
• M23: 21,261,747 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.6

Radius: 3.9

Gravity: 47.11 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.77 AU - 7.75 AU

Year: 11010 Days

Day: 18.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,064,689 km

• M1: 59,690 km (0.067 R)
• M2: 335,997 km (0.119 R)
• M3: 729,738 km (0.041 R)
• M4: 1,210,845 km (0.112 R)
• M5: 1,945,221 km (0.082 R)
• M6: 2,251,897 km (0.054 R)
• M7: 3,568,807 km (0.062 R)
• M8: 3,999,499 km (0.046 R)
• M9: 4,227,337 km (0.102 R)
• M10: 4,740,308 km (0.105 R)
• M11: 5,060,896 km (0.118 R)
• M12: 5,260,011 km (0.072 R)
• M13: 5,568,482 km (0.054 R)
• M14: 5,888,920 km (0.118 R)
• M15: 6,335,171 km (0.064 R)
• M16: 8,957,472 km (0.077 R)
• M17: 9,102,432 km (0.115 R)
• M18: 9,748,994 km (0.108 R)
• M19: 11,021,922 km (0.096 R)
• M20: 15,291,446 km (0.032 R)
• M21: 19,074,177 km (0.11 R)
• M22: 19,314,431 km (0.065 R)
• M23: 20,047,012 km (0.109 R)
• M24: 22,355,607 km (0.067 R)
• M25: 22,533,329 km (0.117 R)
• M26: 26,986,857 km (0.099 R)
• M27: 28,732,066 km (0.108 R)
• M28: 31,100,201 km (0.113 R)
• M29: 31,544,357 km (0.094 R)
• M30: 33,595,343 km (0.071 R)
• M31: 35,854,870 km (0.025 R)
• M32: 39,236,978 km (0.069 R)
• M33: 44,769,706 km (0.07 R)
• M34: 46,917,034 km (0.112 R)
• M35: 48,534,785 km (0.069 R)
• M36: 50,800,146 km (0.099 R)
• M37: 51,570,724 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.7

Radius: 5.8

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.52 AU - 10.82 AU

Year: 21137 Days

Day: 22.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 160.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,064,689 km

• M1: 72,405 km (0.101 R)
• M2: 264,489 km (0.113 R)
• M3: 521,199 km (0.088 R)
• M4: 984,204 km (0.072 R)
• M5: 2,643,544 km (0.078 R)
• M6: 2,889,333 km (0.106 R)
• M7: 4,416,428 km (0.09 R)
• M8: 5,026,937 km (0.113 R)
• M9: 6,027,149 km (0.088 R)
• M10: 8,461,256 km (0.092 R)
• M11: 12,630,399 km (0.105 R)
• M12: 12,818,443 km (0.115 R)
• M13: 15,941,448 km (0.093 R)
• M14: 18,390,665 km (0.115 R)
• M15: 20,298,486 km (0.108 R)
• M16: 22,061,497 km (0.062 R)
• M17: 22,794,377 km (0.101 R)
• M18: 23,923,991 km (0.113 R)
• M19: 30,136,491 km (0.055 R)
• M20: 41,619,773 km (0.077 R)
• M21: 43,446,214 km (0.056 R)
• M22: 43,875,260 km (0.114 R)
• M23: 47,863,988 km (0.103 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 18,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit