🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.5

Radius: 14.6

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.46 AU - 0.58 AU

Year: 254 Days

Day: 6.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,033,000 km

• M1: 181,612 km (0.03 R)
• M2: 720,164 km (0.118 R)
• M3: 1,247,497 km (0.105 R)
• M4: 1,947,016 km (0.116 R)
• M5: 2,412,116 km (0.117 R)
• M6: 2,900,254 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.2

Radius: 12

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.5 AU - 0.68 AU

Year: 307 Days

Day: 5.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,033,000 km

• M1: 149,299 km (0.029 R)
• M2: 571,015 km (0.064 R)
• M3: 978,370 km (0.112 R)
• M4: 1,600,847 km (0.073 R)
• M5: 1,981,873 km (0.11 R)
• M6: 2,484,372 km (0.083 R)
• M7: 2,875,271 km (0.081 R)
• M8: 3,748,773 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.9

Radius: 13.8

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.21 AU - 3.41 AU

Year: 3195 Days

Day: 14 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,033,000 km

• M1: 171,589 km (0.093 R)
• M2: 786,885 km (0.119 R)
• M3: 1,826,440 km (0.079 R)
• M4: 2,490,655 km (0.095 R)
• M5: 3,065,410 km (0.095 R)
• M6: 3,611,293 km (0.111 R)
• M7: 4,094,344 km (0.101 R)
• M8: 5,093,508 km (0.118 R)
• M9: 5,598,850 km (0.067 R)
• M10: 6,221,327 km (0.1 R)
• M11: 6,651,869 km (0.069 R)
• M12: 7,670,182 km (0.115 R)
• M13: 8,132,439 km (0.084 R)
• M14: 9,113,353 km (0.092 R)
• M15: 10,894,315 km (0.076 R)
• M16: 11,352,683 km (0.105 R)
• M17: 13,553,118 km (0.068 R)
• M18: 14,034,973 km (0.05 R)
• M19: 15,393,471 km (0.077 R)
• M20: 16,563,925 km (0.116 R)
• M21: 19,626,642 km (0.111 R)
• M22: 21,648,607 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.9

Radius: 14.3

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.8 AU - 4.02 AU

Year: 4271 Days

Day: 13.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,033,000 km

• M1: 178,021 km (0.082 R)
• M2: 1,480,271 km (0.112 R)
• M3: 2,005,060 km (0.071 R)
• M4: 2,457,743 km (0.12 R)
• M5: 3,851,996 km (0.098 R)
• M6: 4,449,041 km (0.068 R)
• M7: 5,307,284 km (0.111 R)
• M8: 6,359,106 km (0.048 R)
• M9: 9,276,863 km (0.099 R)
• M10: 9,960,974 km (0.081 R)
• M11: 12,853,748 km (0.07 R)
• M12: 14,542,858 km (0.119 R)
• M13: 18,299,410 km (0.094 R)
• M14: 18,892,865 km (0.082 R)
• M15: 21,789,977 km (0.059 R)
• M16: 22,456,884 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.7

Radius: 10.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.08 AU - 6.08 AU

Year: 8940 Days

Day: 14.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,033,000 km

• M1: 136,134 km (0.108 R)
• M2: 648,208 km (0.071 R)
• M3: 1,071,420 km (0.117 R)
• M4: 1,721,124 km (0.102 R)
• M5: 2,636,214 km (0.118 R)
• M6: 3,280,382 km (0.107 R)
• M7: 4,209,834 km (0.032 R)
• M8: 4,593,552 km (0.065 R)
• M9: 5,090,965 km (0.101 R)
• M10: 6,159,692 km (0.103 R)
• M11: 7,026,462 km (0.062 R)
• M12: 8,868,162 km (0.083 R)
• M13: 9,641,284 km (0.038 R)
• M14: 10,409,469 km (0.101 R)
• M15: 11,165,985 km (0.078 R)
• M16: 11,637,368 km (0.105 R)
• M17: 12,286,473 km (0.099 R)
• M18: 12,959,514 km (0.066 R)
• M19: 13,835,110 km (0.059 R)
• M20: 15,317,625 km (0.086 R)
• M21: 17,108,910 km (0.114 R)
• M22: 22,645,078 km (0.072 R)
• M23: 22,979,131 km (0.103 R)
• M24: 23,401,146 km (0.072 R)
• M25: 23,914,416 km (0.048 R)
• M26: 25,860,984 km (0.054 R)
• M27: 26,225,853 km (0.086 R)
• M28: 32,543,072 km (0.083 R)
• M29: 34,048,625 km (0.08 R)
• M30: 36,279,428 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.5

Radius: 6

Gravity: 15.35 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.21 AU - 9.97 AU

Year: 15607 Days

Day: 16.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,033,000 km

• M1: 75,248 km (0.079 R)
• M2: 407,056 km (0.108 R)
• M3: 712,983 km (0.047 R)
• M4: 1,177,784 km (0.071 R)
• M5: 2,734,499 km (0.096 R)
• M6: 2,942,590 km (0.076 R)
• M7: 4,237,360 km (0.089 R)
• M8: 4,645,014 km (0.07 R)
• M9: 5,501,910 km (0.113 R)
• M10: 7,302,770 km (0.119 R)
• M11: 8,950,590 km (0.065 R)
• M12: 10,159,341 km (0.05 R)
• M13: 17,312,363 km (0.104 R)
• M14: 19,943,191 km (0.073 R)
• M15: 21,084,174 km (0.106 R)
• M16: 22,829,084 km (0.104 R)
• M17: 33,742,249 km (0.075 R)
• M18: 37,418,915 km (0.076 R)
• M19: 42,059,142 km (0.074 R)
• M20: 46,006,432 km (0.102 R)
• M21: 47,682,975 km (0.104 R)
• M22: 51,643,878 km (0.083 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 19,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit