🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.4

Radius: 12.6

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.53 AU - 0.71 AU

Year: 331 Days

Day: 9.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,512,511 km

• M1: 156,928 km (0.114 R)
• M2: 610,359 km (0.059 R)
• M3: 1,064,239 km (0.115 R)
• M4: 1,461,870 km (0.108 R)
• M5: 1,961,378 km (0.057 R)
• M6: 2,368,284 km (0.093 R)
• M7: 2,851,934 km (0.09 R)
• M8: 3,367,897 km (0.119 R)
• M9: 3,908,544 km (0.026 R)
• M10: 4,520,548 km (0.059 R)
• M11: 5,120,586 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.1

Radius: 8

Gravity: 14.22 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.57 AU - 0.89 AU

Year: 423 Days

Day: 13.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,512,511 km

• M1: 100,081 km (0.079 R)
• M2: 353,649 km (0.058 R)
• M3: 628,760 km (0.099 R)
• M4: 954,734 km (0.093 R)
• M5: 1,290,581 km (0.084 R)
• M6: 1,571,675 km (0.08 R)
• M7: 1,993,691 km (0.115 R)
• M8: 2,831,588 km (0.086 R)
• M9: 4,175,725 km (0.118 R)
• M10: 4,450,237 km (0.069 R)
• M11: 5,585,087 km (0.096 R)
• M12: 6,136,804 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.4

Radius: 9.1

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.52 AU - 3.06 AU

Year: 3161 Days

Day: 5.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,512,511 km

• M1: 113,694 km (0.032 R)
• M2: 791,373 km (0.049 R)
• M3: 1,184,516 km (0.1 R)
• M4: 1,481,019 km (0.118 R)
• M5: 1,805,048 km (0.1 R)
• M6: 2,113,369 km (0.118 R)
• M7: 3,794,400 km (0.094 R)
• M8: 4,264,736 km (0.066 R)
• M9: 5,611,715 km (0.07 R)
• M10: 6,170,463 km (0.078 R)
• M11: 7,853,140 km (0.03 R)
• M12: 8,454,673 km (0.081 R)
• M13: 8,850,210 km (0.114 R)
• M14: 17,243,249 km (0.064 R)
• M15: 17,719,569 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.2

Radius: 8

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.82 AU - 4.66 AU

Year: 4906 Days

Day: 10.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,512,511 km

• M1: 99,483 km (0.084 R)
• M2: 385,215 km (0.106 R)
• M3: 913,295 km (0.046 R)
• M4: 1,338,153 km (0.116 R)
• M5: 1,683,126 km (0.048 R)
• M6: 2,032,885 km (0.112 R)
• M7: 2,461,184 km (0.116 R)
• M8: 3,421,154 km (0.068 R)
• M9: 3,839,280 km (0.116 R)
• M10: 4,224,345 km (0.055 R)
• M11: 7,782,081 km (0.08 R)
• M12: 8,294,903 km (0.09 R)
• M13: 8,830,014 km (0.081 R)
• M14: 9,087,472 km (0.108 R)
• M15: 9,502,158 km (0.117 R)
• M16: 10,208,110 km (0.093 R)
• M17: 11,990,718 km (0.081 R)
• M18: 18,992,497 km (0.074 R)
• M19: 20,945,497 km (0.026 R)
• M20: 21,272,518 km (0.103 R)
• M21: 22,071,371 km (0.063 R)
• M22: 22,821,155 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.1

Radius: 11

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.3 AU - 5.26 AU

Year: 6006 Days

Day: 9.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,512,511 km

• M1: 137,032 km (0.081 R)
• M2: 715,527 km (0.104 R)
• M3: 1,306,887 km (0.111 R)
• M4: 2,380,401 km (0.088 R)
• M5: 3,281,280 km (0.069 R)
• M6: 4,879,284 km (0.103 R)
• M7: 5,620,542 km (0.101 R)
• M8: 10,422,035 km (0.095 R)
• M9: 12,193,124 km (0.078 R)
• M10: 13,784,995 km (0.079 R)
• M11: 14,920,443 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.1

Radius: 10.2

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.84 AU - 5.5 AU

Year: 7973 Days

Day: 6.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,512,511 km

• M1: 128,654 km (0.068 R)
• M2: 465,997 km (0.079 R)
• M3: 819,048 km (0.091 R)
• M4: 1,414,747 km (0.113 R)
• M5: 1,887,327 km (0.055 R)
• M6: 2,313,082 km (0.095 R)
• M7: 5,024,244 km (0.105 R)
• M8: 5,514,626 km (0.092 R)
• M9: 7,179,651 km (0.09 R)
• M10: 7,615,878 km (0.103 R)
• M11: 8,303,280 km (0.048 R)
• M12: 8,621,774 km (0.046 R)
• M13: 10,708,066 km (0.116 R)
• M14: 11,038,079 km (0.111 R)
• M15: 11,868,347 km (0.105 R)
• M16: 13,598,147 km (0.114 R)
• M17: 14,494,687 km (0.12 R)
• M18: 15,192,561 km (0.114 R)
• M19: 16,718,460 km (0.093 R)
• M20: 17,099,336 km (0.081 R)
• M21: 17,878,591 km (0.115 R)
• M22: 19,299,023 km (0.068 R)
• M23: 20,793,206 km (0.11 R)
• M24: 21,906,663 km (0.116 R)
• M25: 22,363,086 km (0.092 R)
• M26: 22,748,151 km (0.075 R)
• M27: 24,171,575 km (0.06 R)
• M28: 25,152,788 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.2

Radius: 7

Gravity: 14.9 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.66 AU - 7.5 AU

Year: 10168 Days

Day: 24.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,512,511 km

• M1: 87,216 km (0.118 R)
• M2: 394,938 km (0.066 R)
• M3: 704,307 km (0.107 R)
• M4: 1,676,394 km (0.113 R)
• M5: 2,490,505 km (0.097 R)
• M6: 2,885,743 km (0.036 R)
• M7: 3,298,035 km (0.112 R)
• M8: 7,117,119 km (0.051 R)
• M9: 9,049,026 km (0.107 R)
• M10: 14,753,641 km (0.047 R)
• M11: 18,229,249 km (0.109 R)
• M12: 21,358,238 km (0.088 R)
• M13: 31,965,175 km (0.09 R)
• M14: 34,114,747 km (0.074 R)
• M15: 35,048,088 km (0.078 R)
• M16: 36,722,089 km (0.084 R)
• M17: 39,971,205 km (0.103 R)
• M18: 41,008,217 km (0.085 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: 470 - 17,168 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit