🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.3

Radius: 9.7

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.48 AU - 0.54 AU

Year: 256 Days

Day: 11.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,356,924 km

• M1: 120,725 km (0.094 R)
• M2: 430,243 km (0.072 R)
• M3: 888,611 km (0.078 R)
• M4: 1,342,940 km (0.07 R)
• M5: 1,701,377 km (0.092 R)
• M6: 2,277,029 km (0.053 R)
• M7: 2,773,545 km (0.049 R)
• M8: 3,088,747 km (0.118 R)
• M9: 3,851,547 km (0.082 R)
• M10: 4,296,900 km (0.093 R)
• M11: 4,612,551 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.6

Radius: 12.8

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.48 AU - 0.68 AU

Year: 310 Days

Day: 5.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 32,356,924 km

• M1: 159,172 km (0.104 R)
• M2: 761,154 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.2

Radius: 9.5

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.6 AU - 0.94 AU

Year: 475 Days

Day: 7 Hours

Environment

Temp: -163 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 32,356,924 km

• M1: 118,482 km (0.093 R)
• M2: 796,609 km (0.078 R)
• M3: 1,178,233 km (0.103 R)
• M4: 3,006,618 km (0.112 R)
• M5: 3,351,441 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.2

Radius: 10.6

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.34 AU - 4.72 AU

Year: 5687 Days

Day: 9.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,356,924 km

• M1: 131,796 km (0.113 R)
• M2: 569,220 km (0.118 R)
• M3: 913,893 km (0.113 R)
• M4: 1,314,666 km (0.067 R)
• M5: 1,932,206 km (0.116 R)
• M6: 2,467,617 km (0.033 R)
• M7: 2,827,250 km (0.11 R)
• M8: 3,284,421 km (0.037 R)
• M9: 5,719,426 km (0.115 R)
• M10: 7,617,075 km (0.08 R)
• M11: 8,150,690 km (0.099 R)
• M12: 9,250,085 km (0.097 R)
• M13: 9,902,332 km (0.076 R)
• M14: 10,491,897 km (0.102 R)
• M15: 11,009,057 km (0.085 R)
• M16: 12,715,669 km (0.116 R)
• M17: 13,909,909 km (0.1 R)
• M18: 14,824,401 km (0.111 R)
• M19: 15,296,382 km (0.106 R)
• M20: 19,371,578 km (0.117 R)
• M21: 20,078,727 km (0.075 R)
• M22: 21,395,188 km (0.119 R)
• M23: 25,102,672 km (0.063 R)
• M24: 25,436,724 km (0.09 R)
• M25: 27,327,342 km (0.104 R)
• M26: 28,037,483 km (0.053 R)
• M27: 28,942,550 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.8

Radius: 7.8

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.95 AU - 6.31 AU

Year: 10668 Days

Day: 18.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,356,924 km

• M1: 96,939 km (0.082 R)
• M2: 383,419 km (0.095 R)
• M3: 710,889 km (0.1 R)
• M4: 981,063 km (0.103 R)
• M5: 1,435,092 km (0.119 R)
• M6: 1,751,342 km (0.09 R)
• M7: 2,007,753 km (0.092 R)
• M8: 2,893,821 km (0.091 R)
• M9: 3,489,819 km (0.069 R)
• M10: 3,852,145 km (0.119 R)
• M11: 5,381,035 km (0.071 R)
• M12: 6,346,241 km (0.087 R)
• M13: 8,022,934 km (0.078 R)
• M14: 10,942,935 km (0.104 R)
• M15: 11,474,007 km (0.094 R)
• M16: 11,921,006 km (0.086 R)
• M17: 12,379,673 km (0.09 R)
• M18: 13,062,886 km (0.068 R)
• M19: 15,442,390 km (0.074 R)
• M20: 15,926,339 km (0.06 R)
• M21: 16,295,846 km (0.095 R)
• M22: 16,545,375 km (0.083 R)
• M23: 18,096,555 km (0.084 R)
• M24: 19,671,821 km (0.096 R)
• M25: 20,456,611 km (0.037 R)
• M26: 27,326,893 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.8

Radius: 5.6

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.1 AU - 7.66 AU

Year: 11328 Days

Day: 23.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,356,924 km

• M1: 69,713 km (0.043 R)
• M2: 296,353 km (0.105 R)
• M3: 750,383 km (0.119 R)
• M4: 934,987 km (0.119 R)
• M5: 1,293,274 km (0.088 R)
• M6: 1,615,358 km (0.064 R)
• M7: 1,868,477 km (0.095 R)
• M8: 2,437,249 km (0.11 R)
• M9: 3,577,334 km (0.106 R)
• M10: 6,258,128 km (0.073 R)
• M11: 6,884,644 km (0.062 R)
• M12: 8,384,213 km (0.104 R)
• M13: 9,188,301 km (0.089 R)
• M14: 10,417,697 km (0.098 R)
• M15: 11,096,572 km (0.047 R)
• M16: 11,650,383 km (0.068 R)
• M17: 12,704,150 km (0.057 R)
• M18: 14,639,049 km (0.111 R)
• M19: 14,939,143 km (0.091 R)
• M20: 18,239,870 km (0.063 R)
• M21: 18,657,547 km (0.113 R)
• M22: 19,439,795 km (0.093 R)
• M23: 19,729,566 km (0.059 R)
• M24: 22,708,358 km (0.049 R)
• M25: 23,272,941 km (0.113 R)
• M26: 23,681,941 km (0.095 R)
• M27: 29,538,698 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.1

Radius: 6.7

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.26 AU - 7.46 AU

Year: 12630 Days

Day: 19.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,356,924 km

• M1: 83,476 km (0.1 R)
• M2: 308,172 km (0.099 R)
• M3: 946,057 km (0.041 R)
• M4: 1,589,029 km (0.084 R)
• M5: 3,245,227 km (0.047 R)
• M6: 4,861,033 km (0.062 R)
• M7: 5,781,509 km (0.098 R)
• M8: 7,265,669 km (0.067 R)
• M9: 13,267,686 km (0.081 R)
• M10: 14,028,092 km (0.028 R)
• M11: 20,898,972 km (0.106 R)
• M12: 21,189,342 km (0.054 R)
• M13: 22,378,196 km (0.077 R)
• M14: 27,060,759 km (0.075 R)
• M15: 30,088,620 km (0.11 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 13,327 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit