🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.6

Radius: 9.3

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.51 AU - 0.57 AU

Year: 279 Days

Day: 11.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,644,748 km

• M1: 115,639 km (0.034 R)
• M2: 441,763 km (0.114 R)
• M3: 841,937 km (0.118 R)
• M4: 1,337,106 km (0.11 R)
• M5: 1,915,302 km (0.037 R)
• M6: 2,266,557 km (0.05 R)
• M7: 2,633,820 km (0.088 R)
• M8: 3,434,917 km (0.087 R)
• M9: 3,758,347 km (0.072 R)
• M10: 4,151,341 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.7

Radius: 11

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.03 AU - 1.11 AU

Year: 778 Days

Day: 11.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,644,748 km

• M1: 136,732 km (0.115 R)
• M2: 601,084 km (0.063 R)
• M3: 1,058,854 km (0.096 R)
• M4: 1,618,051 km (0.111 R)
• M5: 2,101,850 km (0.101 R)
• M6: 2,759,183 km (0.06 R)
• M7: 3,273,650 km (0.069 R)
• M8: 3,785,125 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.9

Radius: 11.1

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.92 AU - 1.32 AU

Year: 833 Days

Day: 11.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,644,748 km

• M1: 138,079 km (0.11 R)
• M2: 520,750 km (0.113 R)
• M3: 949,946 km (0.032 R)
• M4: 1,478,775 km (0.095 R)
• M5: 1,850,226 km (0.094 R)
• M6: 2,383,692 km (0.041 R)
• M7: 3,584,814 km (0.064 R)
• M8: 4,559,594 km (0.069 R)
• M9: 6,272,639 km (0.12 R)
• M10: 6,859,511 km (0.078 R)
• M11: 7,394,324 km (0.033 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.5

Radius: 4.4

Gravity: 35.72 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.98 AU - 6.82 AU

Year: 11381 Days

Day: 22 Hours

Environment

Temp: -232 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 31,644,748 km

• M1: 54,753 km (0.092 R)
• M2: 242,199 km (0.049 R)
• M3: 479,910 km (0.093 R)
• M4: 853,306 km (0.074 R)
• M5: 1,292,526 km (0.06 R)
• M6: 3,184,639 km (0.106 R)
• M7: 3,330,946 km (0.115 R)
• M8: 3,507,322 km (0.059 R)
• M9: 3,906,300 km (0.086 R)
• M10: 4,668,800 km (0.115 R)
• M11: 6,214,744 km (0.12 R)
• M12: 6,560,465 km (0.09 R)
• M13: 10,323,749 km (0.076 R)
• M14: 14,701,132 km (0.093 R)
• M15: 15,452,712 km (0.043 R)
• M16: 15,944,141 km (0.101 R)
• M17: 16,445,892 km (0.115 R)
• M18: 17,255,366 km (0.118 R)
• M19: 17,784,195 km (0.09 R)
• M20: 21,792,520 km (0.105 R)
• M21: 22,858,555 km (0.109 R)
• M22: 23,680,445 km (0.099 R)
• M23: 27,675,307 km (0.106 R)
• M24: 30,210,392 km (0.078 R)
• M25: 31,534,184 km (0.083 R)
• M26: 41,495,158 km (0.094 R)
• M27: 41,764,584 km (0.118 R)
• M28: 49,941,454 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.2

Radius: 7.4

Gravity: 13.9 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.48 AU - 7.8 AU

Year: 12027 Days

Day: 21.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 31,644,748 km

• M1: 92,003 km (0.09 R)
• M2: 476,469 km (0.118 R)
• M3: 747,690 km (0.106 R)
• M4: 1,010,683 km (0.078 R)
• M5: 1,827,488 km (0.071 R)
• M6: 2,373,969 km (0.074 R)
• M7: 3,520,636 km (0.083 R)
• M8: 4,040,938 km (0.104 R)
• M9: 4,580,088 km (0.117 R)
• M10: 4,867,167 km (0.067 R)
• M11: 5,098,744 km (0.087 R)
• M12: 6,137,851 km (0.061 R)
• M13: 7,660,009 km (0.118 R)
• M14: 8,485,042 km (0.078 R)
• M15: 9,266,691 km (0.073 R)
• M16: 10,916,755 km (0.1 R)
• M17: 11,488,368 km (0.113 R)
• M18: 11,840,671 km (0.031 R)
• M19: 22,441,326 km (0.089 R)
• M20: 27,208,861 km (0.081 R)
• M21: 27,730,359 km (0.085 R)
• M22: 28,258,439 km (0.081 R)
• M23: 34,639,686 km (0.119 R)
• M24: 35,006,351 km (0.082 R)
• M25: 35,623,292 km (0.103 R)
• M26: 36,121,902 km (0.088 R)
• M27: 38,554,513 km (0.069 R)
• M28: 40,145,785 km (0.086 R)
• M29: 42,754,174 km (0.107 R)
• M30: 45,327,556 km (0.049 R)
• M31: 48,916,858 km (0.102 R)
• M32: 49,842,869 km (0.071 R)
• M33: 53,664,197 km (0.089 R)
• M34: 54,649,149 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.6

Radius: 3.2

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.98 AU - 9.14 AU

Year: 17604 Days

Day: 21.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,644,748 km

• M1: 98,585 km (0.086 R)
• M2: 227,239 km (0.08 R)
• M3: 482,154 km (0.1 R)
• M4: 601,683 km (0.085 R)
• M5: 1,134,849 km (0.109 R)
• M6: 1,292,974 km (0.081 R)
• M7: 1,526,646 km (0.089 R)
• M8: 4,110,052 km (0.085 R)
• M9: 4,639,329 km (0.101 R)
• M10: 6,934,908 km (0.113 R)
• M11: 8,402,763 km (0.116 R)
• M12: 8,639,427 km (0.042 R)
• M13: 12,486,934 km (0.055 R)
• M14: 13,480,115 km (0.078 R)
• M15: 16,650,093 km (0.038 R)
• M16: 17,721,962 km (0.085 R)
• M17: 22,697,887 km (0.112 R)
• M18: 29,695,177 km (0.091 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 425 - 13,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit