🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.4

Radius: 11.2

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.55 AU - 0.65 AU

Year: 321 Days

Day: 11.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 96.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,704,496 km

• M1: 140,622 km (0.116 R)
• M2: 547,229 km (0.03 R)
• M3: 1,059,751 km (0.108 R)
• M4: 1,515,875 km (0.089 R)
• M5: 2,176,350 km (0.095 R)
• M6: 2,825,605 km (0.076 R)
• M7: 4,359,731 km (0.111 R)
• M8: 4,721,010 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.1

Radius: 10.6

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.71 AU - 1.01 AU

Year: 551 Days

Day: 8.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,704,496 km

• M1: 131,945 km (0.089 R)
• M2: 721,211 km (0.1 R)
• M3: 1,322,744 km (0.079 R)
• M4: 1,923,978 km (0.069 R)
• M5: 2,341,655 km (0.073 R)
• M6: 2,797,630 km (0.097 R)
• M7: 3,287,563 km (0.06 R)
• M8: 3,672,029 km (0.12 R)
• M9: 4,015,356 km (0.039 R)
• M10: 4,395,036 km (0.035 R)
• M11: 5,026,488 km (0.074 R)
• M12: 6,568,992 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401

Radius: 10.8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.75 AU - 1.03 AU

Year: 580 Days

Day: 10.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,704,496 km

• M1: 134,488 km (0.112 R)
• M2: 524,341 km (0.116 R)
• M3: 1,033,272 km (0.067 R)
• M4: 1,415,046 km (0.112 R)
• M5: 1,876,406 km (0.044 R)
• M6: 2,253,243 km (0.072 R)
• M7: 2,711,461 km (0.075 R)
• M8: 3,430,878 km (0.082 R)
• M9: 4,067,267 km (0.078 R)
• M10: 4,587,568 km (0.045 R)
• M11: 5,167,709 km (0.088 R)
• M12: 5,934,847 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.1

Radius: 11.6

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.95 AU - 1.19 AU

Year: 764 Days

Day: 11.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,704,496 km

• M1: 144,212 km (0.044 R)
• M2: 542,741 km (0.07 R)
• M3: 996,621 km (0.038 R)
• M4: 1,374,356 km (0.064 R)
• M5: 1,739,674 km (0.103 R)
• M6: 2,229,906 km (0.096 R)
• M7: 4,050,063 km (0.096 R)
• M8: 4,438,270 km (0.114 R)
• M9: 4,902,771 km (0.104 R)
• M10: 5,813,224 km (0.109 R)
• M11: 6,811,490 km (0.075 R)
• M12: 7,896,823 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.2

Radius: 13.4

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.31 AU - 1.33 AU

Year: 1047 Days

Day: 7.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,704,496 km

• M1: 166,652 km (0.063 R)
• M2: 894,894 km (0.076 R)
• M3: 1,376,899 km (0.088 R)
• M4: 2,768,009 km (0.097 R)
• M5: 3,211,118 km (0.053 R)
• M6: 3,796,495 km (0.069 R)
• M7: 4,577,844 km (0.104 R)
• M8: 5,755,778 km (0.112 R)
• M9: 6,530,994 km (0.091 R)
• M10: 7,175,611 km (0.09 R)
• M11: 7,967,882 km (0.095 R)
• M12: 8,564,927 km (0.057 R)
• M13: 9,017,909 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.2

Radius: 13.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.44 AU - 2.12 AU

Year: 1639 Days

Day: 14.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,704,496 km

• M1: 165,156 km (0.118 R)
• M2: 674,686 km (0.113 R)
• M3: 1,336,358 km (0.075 R)
• M4: 1,891,515 km (0.119 R)
• M5: 2,492,600 km (0.055 R)
• M6: 3,385,699 km (0.041 R)
• M7: 4,356,440 km (0.07 R)
• M8: 6,013,535 km (0.085 R)
• M9: 7,060,571 km (0.118 R)
• M10: 7,480,342 km (0.099 R)

Asteroid Belt

Center: 2.08 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.4

Radius: 15

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.34 AU - 2.42 AU

Year: 2534 Days

Day: 12.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,704,496 km

• M1: 186,549 km (0.058 R)
• M2: 688,300 km (0.115 R)
• M3: 1,213,837 km (0.114 R)
• M4: 1,961,826 km (0.114 R)
• M5: 2,476,294 km (0.061 R)
• M6: 3,211,717 km (0.057 R)
• M7: 3,815,194 km (0.092 R)
• M8: 4,296,750 km (0.055 R)
• M9: 5,050,574 km (0.045 R)
• M10: 5,517,469 km (0.063 R)
• M11: 6,282,662 km (0.105 R)
• M12: 7,186,831 km (0.114 R)
• M13: 7,877,674 km (0.061 R)
• M14: 8,612,499 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.7

Radius: 11

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.12 AU - 4.46 AU

Year: 5093 Days

Day: 10 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,704,496 km

• M1: 136,732 km (0.058 R)
• M2: 488,587 km (0.085 R)
• M3: 891,753 km (0.087 R)
• M4: 1,374,505 km (0.095 R)
• M5: 1,757,027 km (0.102 R)
• M6: 2,139,698 km (0.108 R)
• M7: 2,546,305 km (0.1 R)
• M8: 3,359,370 km (0.096 R)
• M9: 4,065,472 km (0.111 R)
• M10: 4,454,277 km (0.101 R)
• M11: 4,842,782 km (0.066 R)
• M12: 5,307,134 km (0.093 R)
• M13: 6,235,688 km (0.026 R)
• M14: 6,692,111 km (0.083 R)
• M15: 8,670,992 km (0.086 R)
• M16: 9,318,451 km (0.036 R)
• M17: 9,835,013 km (0.09 R)
• M18: 13,099,089 km (0.058 R)
• M19: 14,787,899 km (0.085 R)
• M20: 16,502,291 km (0.098 R)
• M21: 17,200,314 km (0.119 R)
• M22: 18,100,295 km (0.077 R)
• M23: 18,592,921 km (0.073 R)
• M24: 21,124,117 km (0.073 R)
• M25: 22,578,208 km (0.081 R)
• M26: 23,149,223 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.1

Radius: 3.2

Gravity: 93.66 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.32 AU - 8.8 AU

Year: 12948 Days

Day: 16.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 175.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,704,496 km

• M1: 54,304 km (0.107 R)
• M2: 196,422 km (0.072 R)
• M3: 580,290 km (0.118 R)
• M4: 814,411 km (0.074 R)
• M5: 1,482,814 km (0.114 R)
• M6: 3,212,614 km (0.106 R)
• M7: 3,644,653 km (0.073 R)
• M8: 4,557,350 km (0.09 R)
• M9: 5,031,276 km (0.052 R)
• M10: 5,918,989 km (0.097 R)
• M11: 6,156,252 km (0.104 R)
• M12: 12,461,503 km (0.119 R)
• M13: 20,863,368 km (0.115 R)
• M14: 23,213,401 km (0.101 R)
• M15: 25,733,826 km (0.098 R)
• M16: 28,766,474 km (0.106 R)
• M17: 35,529,195 km (0.104 R)
• M18: 40,675,511 km (0.118 R)
• M19: 42,253,021 km (0.085 R)
• M20: 42,690,146 km (0.086 R)
• M21: 42,836,602 km (0.079 R)
• M22: 43,277,766 km (0.101 R)
• M23: 45,682,103 km (0.075 R)
• M24: 48,332,678 km (0.102 R)
• M25: 51,579,999 km (0.092 R)
• M26: 59,411,897 km (0.055 R)
• M27: 63,133,293 km (0.114 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 17,161 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit