🌌 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: 332.6

Radius: 9.7

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.65 AU - 0.75 AU

Year: 404 Days

Day: 8.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,101,954 km

• M1: 120,576 km (0.111 R)
• M2: 478,414 km (0.106 R)
• M3: 804,238 km (0.105 R)
• M4: 1,378,694 km (0.037 R)
• M5: 2,339,262 km (0.08 R)
• M6: 2,818,873 km (0.075 R)
• M7: 3,384,502 km (0.053 R)
• M8: 3,928,141 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.3

Radius: 9.1

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.8 AU - 1.08 AU

Year: 629 Days

Day: 9.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,101,954 km

• M1: 113,246 km (0.097 R)
• M2: 513,719 km (0.12 R)
• M3: 900,130 km (0.072 R)
• M4: 1,267,992 km (0.093 R)
• M5: 1,835,715 km (0.072 R)
• M6: 2,314,877 km (0.08 R)
• M7: 3,073,937 km (0.059 R)
• M8: 3,437,759 km (0.108 R)
• M9: 3,777,945 km (0.111 R)
• M10: 4,424,207 km (0.108 R)
• M11: 4,889,457 km (0.082 R)
• M12: 5,353,958 km (0.068 R)
• M13: 5,795,122 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.2

Radius: 8.8

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.85 AU - 1.19 AU

Year: 711 Days

Day: 6.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,101,954 km

• M1: 109,954 km (0.072 R)
• M2: 415,882 km (0.092 R)
• M3: 701,464 km (0.111 R)
• M4: 1,193,193 km (0.11 R)
• M5: 1,763,908 km (0.115 R)
• M6: 2,485,120 km (0.096 R)
• M7: 3,633,732 km (0.086 R)
• M8: 4,051,110 km (0.095 R)
• M9: 4,341,629 km (0.074 R)
• M10: 4,646,061 km (0.078 R)
• M11: 4,999,262 km (0.086 R)
• M12: 5,316,110 km (0.092 R)
• M13: 6,327,990 km (0.098 R)
• M14: 6,762,721 km (0.093 R)
• M15: 7,738,099 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.4

Radius: 8.2

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.3 AU - 1.8 AU

Year: 1332 Days

Day: 9.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,101,954 km

• M1: 102,026 km (0.052 R)
• M2: 481,107 km (0.115 R)
• M3: 750,533 km (0.038 R)
• M4: 1,069,176 km (0.111 R)
• M5: 1,374,206 km (0.116 R)
• M6: 1,896,153 km (0.119 R)
• M7: 2,434,257 km (0.073 R)
• M8: 3,386,896 km (0.115 R)
• M9: 4,116,634 km (0.112 R)
• M10: 5,383,579 km (0.105 R)
• M11: 5,805,893 km (0.1 R)
• M12: 6,826,151 km (0.103 R)
• M13: 7,530,607 km (0.046 R)
• M14: 8,059,286 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.1

Radius: 11.9

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.93 AU - 2.67 AU

Year: 2408 Days

Day: 10.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,101,954 km

• M1: 155,283 km (0.077 R)
• M2: 678,277 km (0.114 R)
• M3: 1,086,978 km (0.054 R)
• M4: 1,850,974 km (0.066 R)
• M5: 2,346,592 km (0.084 R)
• M6: 3,025,767 km (0.052 R)
• M7: 3,645,551 km (0.059 R)
• M8: 7,629,192 km (0.084 R)
• M9: 8,032,209 km (0.088 R)
• M10: 10,989,011 km (0.093 R)
• M11: 12,496,808 km (0.059 R)
• M12: 13,190,044 km (0.111 R)
• M13: 14,277,471 km (0.025 R)
• M14: 15,083,355 km (0.082 R)
• M15: 16,323,222 km (0.084 R)
• M16: 16,734,018 km (0.11 R)
• M17: 17,363,226 km (0.12 R)
• M18: 17,899,385 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.8

Radius: 9.4

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.29 AU - 3.21 AU

Year: 3148 Days

Day: 11.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,101,954 km

• M1: 116,986 km (0.047 R)
• M2: 522,545 km (0.116 R)
• M3: 1,008,290 km (0.041 R)
• M4: 1,305,092 km (0.08 R)
• M5: 1,605,335 km (0.063 R)
• M6: 2,206,269 km (0.085 R)
• M7: 3,325,261 km (0.115 R)
• M8: 4,667,304 km (0.052 R)
• M9: 5,077,801 km (0.116 R)
• M10: 5,565,041 km (0.065 R)
• M11: 7,765,925 km (0.112 R)
• M12: 9,546,588 km (0.111 R)
• M13: 10,289,641 km (0.105 R)
• M14: 11,454,410 km (0.114 R)
• M15: 14,292,431 km (0.113 R)
• M16: 15,580,469 km (0.108 R)
• M17: 16,609,852 km (0.104 R)
• M18: 17,915,841 km (0.097 R)
• M19: 18,385,728 km (0.055 R)
• M20: 19,969,969 km (0.049 R)
• M21: 20,538,890 km (0.113 R)
• M22: 21,577,099 km (0.085 R)
• M23: 22,649,866 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.7

Radius: 11.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.58 AU - 3.96 AU

Year: 4082 Days

Day: 8.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,101,954 km

• M1: 146,606 km (0.117 R)
• M2: 577,597 km (0.091 R)
• M3: 1,406,818 km (0.049 R)
• M4: 3,129,139 km (0.103 R)
• M5: 3,662,455 km (0.069 R)
• M6: 4,036,749 km (0.115 R)
• M7: 4,863,128 km (0.087 R)
• M8: 6,050,785 km (0.111 R)
• M9: 6,697,646 km (0.04 R)
• M10: 7,488,121 km (0.085 R)
• M11: 8,771,073 km (0.103 R)
• M12: 16,483,441 km (0.085 R)
• M13: 18,581,552 km (0.119 R)
• M14: 21,986,249 km (0.104 R)
• M15: 23,728,017 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314

Radius: 11

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.69 AU - 4.09 AU

Year: 5296 Days

Day: 10.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,101,954 km

• M1: 136,732 km (0.05 R)
• M2: 490,531 km (0.067 R)
• M3: 1,641,986 km (0.11 R)
• M4: 2,747,514 km (0.082 R)
• M5: 4,293,758 km (0.12 R)
• M6: 7,274,944 km (0.097 R)
• M7: 9,456,231 km (0.114 R)
• M8: 10,571,932 km (0.112 R)
• M9: 11,728,772 km (0.028 R)
• M10: 13,303,140 km (0.053 R)
• M11: 15,330,640 km (0.092 R)
• M12: 17,037,851 km (0.118 R)
• M13: 18,383,783 km (0.116 R)
• M14: 21,220,308 km (0.102 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.6

Radius: 8.3

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.93 AU - 6.05 AU

Year: 7694 Days

Day: 12.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,101,954 km

• M1: 103,223 km (0.088 R)
• M2: 440,416 km (0.079 R)
• M3: 812,616 km (0.112 R)
• M4: 1,146,668 km (0.055 R)
• M5: 1,505,104 km (0.109 R)
• M6: 2,166,476 km (0.054 R)
• M7: 3,341,119 km (0.12 R)
• M8: 3,873,089 km (0.048 R)
• M9: 6,508,405 km (0.087 R)
• M10: 7,901,460 km (0.109 R)
• M11: 8,407,101 km (0.059 R)
• M12: 8,979,163 km (0.098 R)
• M13: 9,765,899 km (0.035 R)
• M14: 13,318,848 km (0.085 R)
• M15: 13,853,660 km (0.03 R)
• M16: 18,295,969 km (0.028 R)
• M17: 21,356,293 km (0.066 R)
• M18: 24,125,200 km (0.057 R)
• M19: 25,368,957 km (0.078 R)
• M20: 25,640,925 km (0.063 R)
• M21: 26,283,149 km (0.101 R)
• M22: 27,504,317 km (0.084 R)
• M23: 34,514,024 km (0.071 R)
• M24: 35,296,870 km (0.08 R)
• M25: 36,091,533 km (0.102 R)
• M26: 37,014,403 km (0.075 R)
• M27: 38,906,816 km (0.107 R)
• M28: 39,876,958 km (0.077 R)
• M29: 40,862,958 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.1

Radius: 4.1

Gravity: 44.44 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7 AU - 7.96 AU

Year: 14121 Days

Day: 22.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,101,954 km

• M1: 51,611 km (0.079 R)
• M2: 203,603 km (0.115 R)
• M3: 345,272 km (0.055 R)
• M4: 518,207 km (0.088 R)
• M5: 693,835 km (0.074 R)
• M6: 1,355,656 km (0.119 R)
• M7: 1,794,277 km (0.11 R)
• M8: 1,990,400 km (0.107 R)
• M9: 2,301,264 km (0.03 R)
• M10: 2,643,544 km (0.095 R)
• M11: 2,874,224 km (0.119 R)
• M12: 3,323,167 km (0.065 R)
• M13: 3,591,994 km (0.103 R)
• M14: 4,234,368 km (0.095 R)
• M15: 4,950,194 km (0.084 R)
• M16: 5,264,947 km (0.062 R)
• M17: 11,663,847 km (0.097 R)
• M18: 12,220,650 km (0.092 R)
• M19: 16,317,238 km (0.103 R)
• M20: 16,856,838 km (0.103 R)
• M21: 21,425,856 km (0.105 R)
• M22: 22,072,567 km (0.106 R)
• M23: 23,404,886 km (0.038 R)
• M24: 26,862,093 km (0.067 R)
• M25: 28,159,106 km (0.075 R)
• M26: 31,111,570 km (0.085 R)
• M27: 33,272,362 km (0.091 R)
• M28: 34,514,922 km (0.091 R)
• M29: 45,286,118 km (0.105 R)
• M30: 46,810,819 km (0.06 R)
• M31: 49,161,451 km (0.077 R)
• M32: 51,261,206 km (0.102 R)
• M33: 62,101,966 km (0.079 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 14,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit