🌌 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: 349.9

Radius: 9.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.56 AU - 0.64 AU

Year: 315 Days

Day: 6.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,693,015 km

• M1: 121,922 km (0.088 R)
• M2: 491,728 km (0.029 R)
• M3: 862,881 km (0.109 R)
• M4: 1,250,189 km (0.109 R)
• M5: 1,555,967 km (0.118 R)
• M6: 1,905,727 km (0.079 R)
• M7: 2,246,062 km (0.105 R)
• M8: 2,627,238 km (0.079 R)
• M9: 3,315,687 km (0.097 R)
• M10: 3,681,005 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.7

Radius: 11.7

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.51 AU - 0.83 AU

Year: 372 Days

Day: 7.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 71,693,015 km

• M1: 146,008 km (0.117 R)
• M2: 693,685 km (0.116 R)
• M3: 1,317,957 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.2

Radius: 10.8

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.62 AU - 0.88 AU

Year: 441 Days

Day: 10.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,693,015 km

• M1: 138,827 km (0.116 R)
• M2: 533,167 km (0.097 R)
• M3: 925,412 km (0.081 R)
• M4: 1,387,221 km (0.064 R)
• M5: 1,836,015 km (0.08 R)
• M6: 2,276,880 km (0.097 R)
• M7: 2,952,314 km (0.084 R)
• M8: 3,770,016 km (0.116 R)
• M9: 4,253,815 km (0.109 R)
• M10: 4,685,705 km (0.089 R)
• M11: 5,065,384 km (0.099 R)
• M12: 5,922,580 km (0.082 R)
• M13: 6,501,075 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.7

Radius: 9.2

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.9 AU - 1.08 AU

Year: 668 Days

Day: 9.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,693,015 km

• M1: 114,442 km (0.056 R)
• M2: 406,308 km (0.091 R)
• M3: 745,297 km (0.113 R)
• M4: 1,082,191 km (0.098 R)
• M5: 1,456,186 km (0.073 R)
• M6: 1,847,235 km (0.093 R)
• M7: 2,219,284 km (0.111 R)
• M8: 2,597,767 km (0.119 R)
• M9: 3,019,035 km (0.084 R)
• M10: 3,380,613 km (0.036 R)
• M11: 3,898,371 km (0.088 R)
• M12: 4,756,763 km (0.089 R)
• M13: 5,354,257 km (0.05 R)
• M14: 5,717,631 km (0.079 R)
• M15: 7,164,092 km (0.115 R)
• M16: 7,493,806 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.4

Radius: 9.3

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.95 AU - 2.23 AU

Year: 2049 Days

Day: 11.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,693,015 km

• M1: 115,789 km (0.08 R)
• M2: 434,283 km (0.029 R)
• M3: 895,044 km (0.096 R)
• M4: 1,445,265 km (0.099 R)
• M5: 2,043,806 km (0.052 R)
• M6: 2,562,312 km (0.107 R)
• M7: 3,511,361 km (0.052 R)
• M8: 4,592,206 km (0.115 R)
• M9: 5,315,661 km (0.059 R)
• M10: 7,277,936 km (0.11 R)
• M11: 8,389,149 km (0.118 R)
• M12: 8,985,447 km (0.101 R)
• M13: 10,411,563 km (0.097 R)
• M14: 12,399,270 km (0.119 R)
• M15: 13,173,140 km (0.102 R)
• M16: 13,661,577 km (0.066 R)
• M17: 15,199,892 km (0.09 R)
• M18: 16,338,182 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.9

Radius: 12.8

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.04 AU - 2.2 AU

Year: 2094 Days

Day: 14.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,693,015 km

• M1: 159,471 km (0.09 R)
• M2: 567,425 km (0.12 R)
• M3: 986,000 km (0.098 R)
• M4: 1,446,611 km (0.096 R)
• M5: 2,147,627 km (0.098 R)
• M6: 3,425,043 km (0.077 R)
• M7: 3,943,101 km (0.111 R)
• M8: 4,752,724 km (0.115 R)
• M9: 5,177,582 km (0.104 R)
• M10: 6,104,491 km (0.108 R)
• M11: 6,678,797 km (0.117 R)
• M12: 7,389,836 km (0.07 R)
• M13: 9,050,522 km (0.085 R)
• M14: 10,815,776 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.3

Radius: 6.8

Gravity: 17.55 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.44 AU - 8.56 AU

Year: 16808 Days

Day: 24.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,693,015 km

• M1: 84,672 km (0.036 R)
• M2: 326,273 km (0.052 R)
• M3: 607,367 km (0.028 R)
• M4: 967,300 km (0.101 R)
• M5: 1,759,720 km (0.109 R)
• M6: 2,752,750 km (0.107 R)
• M7: 4,565,129 km (0.089 R)
• M8: 5,389,862 km (0.045 R)
• M9: 7,145,991 km (0.065 R)
• M10: 8,304,627 km (0.091 R)
• M11: 8,612,798 km (0.086 R)
• M12: 9,416,887 km (0.036 R)
• M13: 9,695,737 km (0.071 R)
• M14: 13,769,138 km (0.084 R)
• M15: 18,856,363 km (0.042 R)
• M16: 19,750,060 km (0.072 R)
• M17: 20,485,184 km (0.12 R)
• M18: 22,501,315 km (0.073 R)
• M19: 23,100,903 km (0.106 R)
• M20: 24,857,332 km (0.078 R)
• M21: 25,283,237 km (0.089 R)
• M22: 25,714,079 km (0.115 R)
• M23: 28,401,904 km (0.045 R)
• M24: 29,694,130 km (0.045 R)
• M25: 31,892,620 km (0.072 R)
• M26: 33,417,172 km (0.074 R)
• M27: 34,591,964 km (0.068 R)
• M28: 36,200,890 km (0.104 R)
• M29: 39,711,802 km (0.092 R)
• M30: 41,773,709 km (0.118 R)
• M31: 45,631,539 km (0.087 R)
• M32: 48,221,228 km (0.109 R)
• M33: 51,249,987 km (0.114 R)
• M34: 52,287,149 km (0.069 R)
• M35: 58,055,792 km (0.093 R)
• M36: 61,479,788 km (0.111 R)
• M37: 62,258,595 km (0.041 R)
• M38: 65,237,687 km (0.103 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 20,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit