🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.6

Radius: 8.7

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.94 AU - 1.2 AU

Year: 704 Days

Day: 10.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,263,299 km

• M1: 108,309 km (0.064 R)
• M2: 398,379 km (0.1 R)
• M3: 825,930 km (0.097 R)
• M4: 1,118,543 km (0.075 R)
• M5: 1,432,998 km (0.054 R)
• M6: 1,790,537 km (0.051 R)
• M7: 2,188,617 km (0.106 R)
• M8: 2,645,040 km (0.093 R)
• M9: 3,199,898 km (0.029 R)
• M10: 3,968,532 km (0.11 R)
• M11: 4,389,052 km (0.11 R)
• M12: 4,823,035 km (0.095 R)
• M13: 5,133,601 km (0.05 R)
• M14: 5,795,122 km (0.086 R)
• M15: 6,730,558 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.5

Radius: 10.6

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.3 AU - 1.42 AU

Year: 1008 Days

Day: 12.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,263,299 km

• M1: 132,245 km (0.046 R)
• M2: 492,327 km (0.096 R)
• M3: 841,039 km (0.091 R)
• M4: 1,183,020 km (0.061 R)
• M5: 1,679,087 km (0.119 R)
• M6: 2,123,991 km (0.058 R)
• M7: 2,519,976 km (0.095 R)
• M8: 2,939,897 km (0.096 R)
• M9: 3,336,631 km (0.089 R)
• M10: 4,320,985 km (0.102 R)
• M11: 4,925,959 km (0.102 R)
• M12: 5,296,513 km (0.11 R)
• M13: 6,478,037 km (0.114 R)
• M14: 7,703,991 km (0.076 R)
• M15: 8,077,537 km (0.112 R)
• M16: 8,969,290 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.7

Radius: 13.3

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.99 AU - 4.71 AU

Year: 4803 Days

Day: 14.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,263,299 km

• M1: 166,502 km (0.046 R)
• M2: 582,385 km (0.111 R)
• M3: 1,008,589 km (0.106 R)
• M4: 1,515,576 km (0.083 R)
• M5: 2,077,166 km (0.071 R)
• M6: 3,419,807 km (0.062 R)
• M7: 3,932,778 km (0.11 R)
• M8: 4,621,228 km (0.116 R)
• M9: 5,305,638 km (0.117 R)
• M10: 6,209,060 km (0.104 R)
• M11: 9,582,492 km (0.049 R)
• M12: 11,613,133 km (0.038 R)
• M13: 15,516,441 km (0.104 R)
• M14: 19,610,186 km (0.105 R)
• M15: 20,493,861 km (0.12 R)
• M16: 25,715,575 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.8

Radius: 11.1

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4 AU - 5.42 AU

Year: 6499 Days

Day: 12.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,263,299 km

• M1: 138,079 km (0.081 R)
• M2: 757,115 km (0.078 R)
• M3: 1,217,128 km (0.108 R)
• M4: 2,142,242 km (0.061 R)
• M5: 2,998,241 km (0.102 R)
• M6: 3,769,418 km (0.075 R)
• M7: 6,637,508 km (0.118 R)
• M8: 9,300,350 km (0.109 R)
• M9: 10,507,904 km (0.109 R)
• M10: 12,748,731 km (0.059 R)
• M11: 20,820,433 km (0.12 R)
• M12: 22,596,310 km (0.077 R)
• M13: 23,233,896 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449

Radius: 3

Gravity: 49.89 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.26 AU - 10.72 AU

Year: 20076 Days

Day: 21.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,263,299 km

• M1: 37,549 km (0.059 R)
• M2: 176,226 km (0.106 R)
• M3: 477,367 km (0.083 R)
• M4: 607,816 km (0.098 R)
• M5: 832,662 km (0.057 R)
• M6: 964,308 km (0.072 R)
• M7: 1,340,846 km (0.09 R)
• M8: 2,207,466 km (0.044 R)
• M9: 2,439,044 km (0.084 R)
• M10: 2,549,447 km (0.119 R)
• M11: 2,950,369 km (0.111 R)
• M12: 3,337,678 km (0.077 R)
• M13: 3,965,840 km (0.044 R)
• M14: 4,568,420 km (0.105 R)
• M15: 5,229,642 km (0.1 R)
• M16: 7,090,191 km (0.071 R)
• M17: 7,270,157 km (0.096 R)
• M18: 9,457,129 km (0.105 R)
• M19: 12,045,471 km (0.061 R)
• M20: 12,693,230 km (0.077 R)
• M21: 14,702,778 km (0.102 R)
• M22: 16,283,429 km (0.048 R)
• M23: 18,224,611 km (0.112 R)
• M24: 19,077,020 km (0.096 R)
• M25: 20,860,825 km (0.077 R)
• M26: 28,088,347 km (0.067 R)
• M27: 29,802,888 km (0.098 R)
• M28: 30,153,994 km (0.041 R)
• M29: 33,691,385 km (0.081 R)
• M30: 39,149,763 km (0.117 R)
• M31: 44,861,409 km (0.099 R)
• M32: 45,168,534 km (0.032 R)
• M33: 48,477,190 km (0.095 R)
• M34: 52,282,212 km (0.104 R)
• M35: 52,963,780 km (0.08 R)
• M36: 58,629,799 km (0.041 R)
• M37: 62,942,855 km (0.095 R)
• M38: 66,263,330 km (0.03 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: 475 - 16,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit