🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.9

Radius: 11.7

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.06 AU - 1.06 AU

Year: 705 Days

Day: 11.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,832,946 km

• M1: 145,559 km (0.107 R)
• M2: 581,637 km (0.094 R)
• M3: 1,030,879 km (0.074 R)
• M4: 1,399,787 km (0.085 R)
• M5: 1,833,172 km (0.074 R)
• M6: 2,315,027 km (0.119 R)
• M7: 2,705,328 km (0.105 R)
• M8: 3,441,649 km (0.111 R)
• M9: 3,998,601 km (0.112 R)
• M10: 4,386,808 km (0.104 R)
• M11: 7,049,052 km (0.051 R)
• M12: 7,595,084 km (0.068 R)
• M13: 8,466,791 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.3

Radius: 12.7

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.82 AU - 1.34 AU

Year: 725 Days

Day: 12.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,832,946 km

• M1: 159,621 km (0.118 R)
• M2: 654,042 km (0.116 R)
• M3: 1,063,042 km (0.101 R)
• M4: 1,719,328 km (0.11 R)
• M5: 2,624,844 km (0.048 R)
• M6: 3,427,886 km (0.097 R)
• M7: 3,826,414 km (0.072 R)
• M8: 4,606,418 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.2

Radius: 8.3

Gravity: 12.25 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.05 AU - 1.73 AU

Year: 1058 Days

Day: 12.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,832,946 km

• M1: 103,372 km (0.082 R)
• M2: 445,951 km (0.096 R)
• M3: 911,649 km (0.069 R)
• M4: 1,190,649 km (0.057 R)
• M5: 1,623,436 km (0.109 R)
• M6: 1,887,327 km (0.079 R)
• M7: 2,491,104 km (0.115 R)
• M8: 2,898,160 km (0.071 R)
• M9: 4,061,732 km (0.089 R)
• M10: 5,224,107 km (0.051 R)
• M11: 5,614,707 km (0.049 R)
• M12: 8,409,196 km (0.097 R)
• M13: 9,476,277 km (0.086 R)
• M14: 10,991,704 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.1

Radius: 11.4

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.31 AU - 1.85 AU

Year: 1282 Days

Day: 14.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,832,946 km

• M1: 142,716 km (0.054 R)
• M2: 548,725 km (0.071 R)
• M3: 1,746,854 km (0.078 R)
• M4: 2,379,205 km (0.068 R)
• M5: 2,769,505 km (0.113 R)
• M6: 3,129,887 km (0.077 R)
• M7: 3,600,970 km (0.1 R)
• M8: 4,154,034 km (0.079 R)
• M9: 5,263,751 km (0.114 R)
• M10: 5,754,880 km (0.115 R)
• M11: 6,114,514 km (0.053 R)
• M12: 6,513,192 km (0.046 R)
• M13: 7,029,454 km (0.08 R)
• M14: 7,467,327 km (0.079 R)
• M15: 8,715,123 km (0.102 R)
• M16: 9,190,844 km (0.111 R)
• M17: 10,959,540 km (0.118 R)
• M18: 11,655,619 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.1

Radius: 9.7

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.32 AU - 5.82 AU

Year: 7371 Days

Day: 13.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,832,946 km

• M1: 120,576 km (0.059 R)
• M2: 478,414 km (0.062 R)
• M3: 909,106 km (0.065 R)
• M4: 1,380,639 km (0.098 R)
• M5: 2,287,651 km (0.118 R)
• M6: 2,961,888 km (0.116 R)
• M7: 3,323,765 km (0.109 R)
• M8: 3,691,178 km (0.067 R)
• M9: 4,240,950 km (0.108 R)
• M10: 5,227,099 km (0.094 R)
• M11: 6,154,456 km (0.06 R)
• M12: 6,498,532 km (0.088 R)
• M13: 8,332,901 km (0.116 R)
• M14: 8,711,832 km (0.115 R)
• M15: 9,234,976 km (0.061 R)
• M16: 11,695,711 km (0.074 R)
• M17: 12,278,844 km (0.11 R)
• M18: 12,604,967 km (0.085 R)
• M19: 13,331,414 km (0.09 R)
• M20: 14,204,168 km (0.12 R)
• M21: 15,934,417 km (0.033 R)
• M22: 19,220,334 km (0.072 R)
• M23: 22,525,251 km (0.098 R)
• M24: 26,280,606 km (0.073 R)
• M25: 27,930,371 km (0.045 R)
• M26: 29,067,913 km (0.109 R)
• M27: 31,739,881 km (0.1 R)
• M28: 34,571,320 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.5

Radius: 3

Gravity: 38.72 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.47 AU - 7.29 AU

Year: 11652 Days

Day: 18.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,832,946 km

• M1: 37,549 km (0.115 R)
• M2: 429,346 km (0.104 R)
• M3: 667,506 km (0.105 R)
• M4: 816,206 km (0.12 R)
• M5: 1,701,227 km (0.11 R)
• M6: 2,471,955 km (0.054 R)
• M7: 4,896,787 km (0.097 R)
• M8: 6,519,924 km (0.068 R)
• M9: 8,865,020 km (0.062 R)
• M10: 9,044,986 km (0.114 R)
• M11: 16,169,735 km (0.076 R)
• M12: 17,053,260 km (0.119 R)
• M13: 21,793,567 km (0.094 R)
• M14: 35,876,711 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.2

Radius: 4.2

Gravity: 23.88 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 10.7 AU - 11.2 AU

Year: 23396 Days

Day: 17.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,832,946 km

• M1: 52,509 km (0.088 R)
• M2: 392,545 km (0.115 R)
• M3: 785,688 km (0.092 R)
• M4: 1,284,896 km (0.107 R)
• M5: 4,116,634 km (0.076 R)
• M6: 4,927,455 km (0.048 R)
• M7: 6,250,498 km (0.106 R)
• M8: 6,463,226 km (0.047 R)
• M9: 9,462,365 km (0.041 R)
• M10: 9,630,064 km (0.051 R)
• M11: 11,481,188 km (0.104 R)
• M12: 20,039,233 km (0.062 R)
• M13: 22,822,053 km (0.064 R)
• M14: 47,157,288 km (0.046 R)
• M15: 56,863,347 km (0.074 R)
• M16: 65,564,558 km (0.05 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 19,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit