🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.55 AU - 0.73 AU

Year: 336 Days

Day: 26.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,270,571 km

• M1: 23,636 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.4

Radius: 9.6

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.83 AU - 0.99 AU

Year: 569 Days

Day: 9.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,270,571 km

• M1: 119,379 km (0.105 R)
• M2: 421,716 km (0.097 R)
• M3: 801,695 km (0.053 R)
• M4: 1,139,487 km (0.117 R)
• M5: 1,532,331 km (0.071 R)
• M6: 2,329,239 km (0.095 R)
• M7: 2,895,018 km (0.107 R)
• M8: 3,999,200 km (0.098 R)
• M9: 4,300,640 km (0.069 R)
• M10: 4,903,369 km (0.095 R)
• M11: 5,265,546 km (0.065 R)
• M12: 5,645,524 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.2

Radius: 8.6

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.63 AU - 3.09 AU

Year: 3173 Days

Day: 8.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,270,571 km

• M1: 111,600 km (0.071 R)
• M2: 471,233 km (0.096 R)
• M3: 1,526,048 km (0.079 R)
• M4: 1,848,431 km (0.068 R)
• M5: 2,267,156 km (0.093 R)
• M6: 2,661,197 km (0.093 R)
• M7: 3,068,552 km (0.082 R)
• M8: 3,604,710 km (0.029 R)
• M9: 3,876,978 km (0.067 R)
• M10: 4,629,007 km (0.11 R)
• M11: 6,161,338 km (0.108 R)
• M12: 6,931,617 km (0.034 R)
• M13: 7,557,834 km (0.108 R)
• M14: 8,440,013 km (0.059 R)
• M15: 10,299,514 km (0.036 R)
• M16: 11,971,869 km (0.073 R)
• M17: 14,128,173 km (0.073 R)
• M18: 14,670,764 km (0.098 R)
• M19: 15,368,638 km (0.103 R)
• M20: 16,284,177 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.2

Radius: 9.2

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3 AU - 4.86 AU

Year: 5111 Days

Day: 5.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,270,571 km

• M1: 122,221 km (0.111 R)
• M2: 431,291 km (0.095 R)
• M3: 1,890,917 km (0.039 R)
• M4: 2,201,632 km (0.06 R)
• M5: 2,786,111 km (0.12 R)
• M6: 3,106,998 km (0.107 R)
• M7: 3,766,575 km (0.093 R)
• M8: 6,044,203 km (0.077 R)
• M9: 6,810,892 km (0.112 R)
• M10: 8,839,140 km (0.089 R)
• M11: 9,218,370 km (0.107 R)
• M12: 9,716,830 km (0.096 R)
• M13: 10,195,544 km (0.112 R)
• M14: 12,440,260 km (0.119 R)
• M15: 14,515,631 km (0.108 R)
• M16: 16,242,140 km (0.106 R)
• M17: 17,772,825 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.5

Radius: 4.9

Gravity: 31.59 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.29 AU - 7.89 AU

Year: 11098 Days

Day: 16.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,270,571 km

• M1: 65,823 km (0.102 R)
• M2: 222,751 km (0.064 R)
• M3: 473,028 km (0.06 R)
• M4: 941,270 km (0.043 R)
• M5: 1,537,866 km (0.111 R)
• M6: 1,800,710 km (0.068 R)
• M7: 2,260,125 km (0.104 R)
• M8: 2,517,583 km (0.116 R)
• M9: 3,801,132 km (0.077 R)
• M10: 4,676,878 km (0.068 R)
• M11: 5,468,401 km (0.113 R)
• M12: 6,500,626 km (0.111 R)
• M13: 7,526,418 km (0.119 R)
• M14: 7,743,934 km (0.117 R)
• M15: 9,039,900 km (0.055 R)
• M16: 10,473,945 km (0.091 R)
• M17: 10,965,374 km (0.104 R)
• M18: 11,994,159 km (0.09 R)
• M19: 13,085,775 km (0.091 R)
• M20: 14,374,411 km (0.095 R)
• M21: 14,912,813 km (0.103 R)
• M22: 15,887,144 km (0.093 R)
• M23: 18,903,935 km (0.119 R)
• M24: 19,064,005 km (0.073 R)
• M25: 20,715,565 km (0.031 R)
• M26: 25,941,468 km (0.079 R)
• M27: 26,839,504 km (0.117 R)
• M28: 29,121,769 km (0.105 R)
• M29: 34,186,554 km (0.068 R)
• M30: 36,490,511 km (0.04 R)
• M31: 39,155,148 km (0.087 R)
• M32: 48,819,171 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780

Radius: 5.1

Gravity: 29.99 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.7 AU - 8.86 AU

Year: 12886 Days

Day: 20.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,270,571 km

• M1: 72,705 km (0.117 R)
• M2: 275,410 km (0.114 R)
• M3: 746,793 km (0.082 R)
• M4: 1,104,032 km (0.084 R)
• M5: 1,931,608 km (0.052 R)
• M6: 2,329,388 km (0.092 R)
• M7: 3,160,704 km (0.078 R)
• M8: 3,909,740 km (0.101 R)
• M9: 4,418,672 km (0.103 R)
• M10: 4,608,512 km (0.101 R)
• M11: 4,803,737 km (0.09 R)
• M12: 5,939,933 km (0.091 R)
• M13: 6,611,328 km (0.12 R)
• M14: 7,331,941 km (0.113 R)
• M15: 10,799,021 km (0.081 R)
• M16: 11,202,188 km (0.099 R)
• M17: 16,777,700 km (0.12 R)
• M18: 17,396,587 km (0.072 R)
• M19: 22,070,473 km (0.05 R)
• M20: 24,446,686 km (0.048 R)
• M21: 30,377,493 km (0.097 R)
• M22: 33,068,011 km (0.038 R)
• M23: 33,917,278 km (0.109 R)
• M24: 36,295,884 km (0.081 R)
• M25: 42,510,030 km (0.116 R)
• M26: 43,081,793 km (0.115 R)
• M27: 43,658,493 km (0.082 R)
• M28: 47,380,488 km (0.07 R)
• M29: 48,304,255 km (0.044 R)
• M30: 49,083,211 km (0.104 R)
• M31: 51,308,629 km (0.058 R)
• M32: 57,512,004 km (0.113 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: 329 - 19,828 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit