🌌 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: 988.4

Radius: 13.1

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.52 AU - 0.56 AU

Year: 269 Days

Day: 6.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 78.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,632,601 km

• M1: 162,912 km (0.116 R)
• M2: 854,952 km (0.093 R)
• M3: 1,332,917 km (0.112 R)
• M4: 1,775,577 km (0.1 R)
• M5: 2,376,961 km (0.116 R)
• M6: 3,070,646 km (0.076 R)
• M7: 4,117,981 km (0.118 R)
• M8: 4,836,350 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.8

Radius: 11.3

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.71 AU - 1.09 AU

Year: 579 Days

Day: 14.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,632,601 km

• M1: 140,472 km (0.098 R)
• M2: 583,731 km (0.045 R)
• M3: 1,242,859 km (0.054 R)
• M4: 2,003,115 km (0.119 R)
• M5: 2,678,849 km (0.035 R)
• M6: 3,159,507 km (0.1 R)
• M7: 4,053,504 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.6

Radius: 11.3

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.19 AU - 1.49 AU

Year: 1052 Days

Day: 11 Hours

Environment

Temp: -187 °C

Axial Tilt: 87.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,632,601 km

• M1: 140,921 km (0.072 R)
• M2: 541,245 km (0.119 R)
• M3: 940,223 km (0.068 R)
• M4: 1,477,129 km (0.058 R)
• M5: 1,927,269 km (0.096 R)
• M6: 2,299,469 km (0.09 R)
• M7: 2,923,292 km (0.07 R)
• M8: 3,733,514 km (0.049 R)
• M9: 4,705,751 km (0.103 R)
• M10: 5,232,036 km (0.084 R)
• M11: 5,944,870 km (0.11 R)
• M12: 6,583,503 km (0.097 R)
• M13: 7,267,315 km (0.094 R)
• M14: 7,842,818 km (0.092 R)
• M15: 8,972,282 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.2

Radius: 14.4

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.57 AU - 2.05 AU

Year: 1652 Days

Day: 11.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,632,601 km

• M1: 179,069 km (0.101 R)
• M2: 660,923 km (0.041 R)
• M3: 1,180,028 km (0.093 R)
• M4: 2,252,495 km (0.09 R)
• M5: 3,261,832 km (0.039 R)
• M6: 3,774,504 km (0.111 R)
• M7: 4,393,989 km (0.107 R)
• M8: 5,080,792 km (0.086 R)
• M9: 6,278,623 km (0.111 R)
• M10: 6,836,323 km (0.039 R)
• M11: 8,051,657 km (0.074 R)
• M12: 8,824,479 km (0.032 R)
• M13: 9,376,795 km (0.1 R)
• M14: 10,518,825 km (0.103 R)
• M15: 11,040,622 km (0.07 R)
• M16: 11,613,881 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.7

Radius: 6.9

Gravity: 15.22 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.37 AU - 7.63 AU

Year: 11240 Days

Day: 23.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,632,601 km

• M1: 87,365 km (0.099 R)
• M2: 393,293 km (0.064 R)
• M3: 617,091 km (0.085 R)
• M4: 832,961 km (0.085 R)
• M5: 1,671,457 km (0.12 R)
• M6: 1,895,405 km (0.105 R)
• M7: 2,345,844 km (0.117 R)
• M8: 2,865,697 km (0.107 R)
• M9: 3,117,470 km (0.091 R)
• M10: 3,718,853 km (0.041 R)
• M11: 4,762,448 km (0.115 R)
• M12: 6,754,344 km (0.113 R)
• M13: 7,540,630 km (0.037 R)
• M14: 7,801,230 km (0.068 R)
• M15: 8,203,199 km (0.076 R)
• M16: 9,848,028 km (0.092 R)
• M17: 10,317,765 km (0.099 R)
• M18: 11,758,991 km (0.058 R)
• M19: 15,172,066 km (0.092 R)
• M20: 16,082,519 km (0.117 R)
• M21: 17,252,674 km (0.096 R)
• M22: 19,925,539 km (0.094 R)
• M23: 20,340,523 km (0.085 R)
• M24: 23,593,230 km (0.118 R)
• M25: 24,528,366 km (0.116 R)
• M26: 26,672,403 km (0.114 R)
• M27: 27,278,125 km (0.114 R)
• M28: 31,777,879 km (0.098 R)
• M29: 35,642,590 km (0.057 R)
• M30: 39,940,388 km (0.065 R)
• M31: 44,149,024 km (0.106 R)
• M32: 45,710,826 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487.4

Radius: 7

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.63 AU - 8.69 AU

Year: 17285 Days

Day: 21.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,632,601 km

• M1: 88,562 km (0.113 R)
• M2: 543,339 km (0.092 R)
• M3: 948,600 km (0.102 R)
• M4: 1,588,131 km (0.089 R)
• M5: 3,490,866 km (0.083 R)
• M6: 5,294,119 km (0.067 R)
• M7: 7,151,975 km (0.114 R)
• M8: 7,919,562 km (0.096 R)
• M9: 9,564,540 km (0.092 R)
• M10: 9,995,232 km (0.108 R)
• M11: 10,326,741 km (0.108 R)
• M12: 13,447,502 km (0.048 R)
• M13: 15,403,195 km (0.067 R)
• M14: 17,224,100 km (0.066 R)
• M15: 19,868,991 km (0.089 R)
• M16: 23,540,721 km (0.084 R)
• M17: 36,435,160 km (0.12 R)
• M18: 38,285,386 km (0.119 R)
• M19: 40,614,924 km (0.087 R)
• M20: 42,315,254 km (0.115 R)
• M21: 43,328,630 km (0.109 R)
• M22: 50,233,170 km (0.073 R)
• M23: 60,349,127 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 18,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit