🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.6

Radius: 11.8

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.96 AU - 1.42 AU

Year: 896 Days

Day: 8.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,732,463 km

• M1: 149,897 km (0.093 R)
• M2: 652,546 km (0.119 R)
• M3: 1,073,664 km (0.107 R)
• M4: 2,129,675 km (0.078 R)
• M5: 2,757,089 km (0.071 R)
• M6: 3,819,682 km (0.103 R)
• M7: 4,437,821 km (0.115 R)
• M8: 5,061,046 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.8

Radius: 12

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.33 AU - 1.43 AU

Year: 1119 Days

Day: 7.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 69 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,732,463 km

• M1: 149,299 km (0.054 R)
• M2: 525,687 km (0.056 R)
• M3: 968,048 km (0.062 R)
• M4: 1,868,328 km (0.114 R)
• M5: 2,344,348 km (0.091 R)
• M6: 2,782,820 km (0.077 R)
• M7: 3,448,979 km (0.08 R)
• M8: 4,603,725 km (0.11 R)
• M9: 5,189,251 km (0.053 R)
• M10: 5,960,877 km (0.12 R)
• M11: 6,721,582 km (0.069 R)
• M12: 7,407,937 km (0.115 R)
• M13: 7,803,773 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.1

Radius: 10

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.42 AU - 2.12 AU

Year: 1625 Days

Day: 14.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,732,463 km

• M1: 124,465 km (0.111 R)
• M2: 475,272 km (0.114 R)
• M3: 831,465 km (0.113 R)
• M4: 1,184,366 km (0.069 R)
• M5: 1,748,799 km (0.082 R)
• M6: 2,146,729 km (0.071 R)
• M7: 2,458,342 km (0.077 R)
• M8: 2,858,067 km (0.064 R)
• M9: 4,023,584 km (0.065 R)
• M10: 4,869,261 km (0.088 R)
• M11: 5,924,225 km (0.061 R)
• M12: 6,467,714 km (0.11 R)
• M13: 7,768,917 km (0.063 R)
• M14: 8,697,321 km (0.116 R)
• M15: 9,465,506 km (0.098 R)
• M16: 10,453,450 km (0.108 R)
• M17: 12,237,555 km (0.089 R)
• M18: 12,753,667 km (0.066 R)
• M19: 13,325,879 km (0.088 R)
• M20: 14,346,286 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.5

Radius: 12.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.54 AU - 2.02 AU

Year: 1639 Days

Day: 13 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,732,463 km

• M1: 160,369 km (0.09 R)
• M2: 593,305 km (0.077 R)
• M3: 1,021,155 km (0.113 R)
• M4: 1,739,374 km (0.118 R)
• M5: 2,356,166 km (0.11 R)
• M6: 2,954,259 km (0.117 R)
• M7: 4,217,912 km (0.11 R)
• M8: 4,638,581 km (0.075 R)
• M9: 6,316,920 km (0.066 R)
• M10: 7,807,513 km (0.111 R)
• M11: 8,220,553 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.2

Radius: 12.8

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.23 AU - 2.78 AU

Year: 2728 Days

Day: 9.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,732,463 km

• M1: 159,172 km (0.107 R)
• M2: 559,795 km (0.056 R)
• M3: 1,037,760 km (0.107 R)
• M4: 1,520,962 km (0.091 R)
• M5: 1,945,520 km (0.095 R)
• M6: 2,757,538 km (0.109 R)
• M7: 3,958,659 km (0.084 R)
• M8: 5,360,241 km (0.111 R)
• M9: 5,937,689 km (0.077 R)
• M10: 7,397,166 km (0.053 R)
• M11: 9,579,051 km (0.115 R)
• M12: 10,166,821 km (0.108 R)
• M13: 11,414,766 km (0.103 R)
• M14: 11,950,028 km (0.093 R)
• M15: 15,223,977 km (0.062 R)
• M16: 17,333,905 km (0.108 R)
• M17: 19,226,169 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.1

Radius: 6.7

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.95 AU - 7.93 AU

Year: 11281 Days

Day: 23.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,732,463 km

• M1: 84,373 km (0.102 R)
• M2: 1,417,589 km (0.08 R)
• M3: 4,148,499 km (0.109 R)
• M4: 8,805,779 km (0.099 R)
• M5: 9,183,813 km (0.064 R)
• M6: 9,441,720 km (0.12 R)
• M7: 14,894,862 km (0.079 R)
• M8: 21,079,387 km (0.081 R)
• M9: 31,716,693 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.3

Radius: 7.7

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.27 AU - 7.17 AU

Year: 12024 Days

Day: 23.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,732,463 km

• M1: 96,491 km (0.114 R)
• M2: 407,654 km (0.095 R)
• M3: 1,321,996 km (0.089 R)
• M4: 2,049,940 km (0.064 R)
• M5: 2,370,229 km (0.118 R)
• M6: 4,525,934 km (0.106 R)
• M7: 6,753,446 km (0.078 R)
• M8: 7,201,492 km (0.118 R)
• M9: 10,954,603 km (0.111 R)
• M10: 13,669,805 km (0.1 R)
• M11: 15,182,389 km (0.077 R)
• M12: 24,670,783 km (0.114 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: 208 - 19,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit