🌌 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: 755.7

Radius: 10.1

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.54 AU - 0.7 AU

Year: 343 Days

Day: 10.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,204,579 km

• M1: 125,812 km (0.072 R)
• M2: 597,045 km (0.112 R)
• M3: 924,964 km (0.042 R)
• M4: 1,354,010 km (0.094 R)
• M5: 1,737,729 km (0.077 R)
• M6: 2,202,529 km (0.053 R)
• M7: 2,566,651 km (0.075 R)
• M8: 2,888,884 km (0.118 R)
• M9: 3,712,122 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.2

Radius: 9.3

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.48 AU - 2.82 AU

Year: 3032 Days

Day: 6.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,204,579 km

• M1: 117,584 km (0.049 R)
• M2: 465,100 km (0.075 R)
• M3: 874,100 km (0.057 R)
• M4: 1,508,695 km (0.102 R)
• M5: 1,823,748 km (0.053 R)
• M6: 2,636,363 km (0.08 R)
• M7: 3,331,245 km (0.101 R)
• M8: 7,248,615 km (0.094 R)
• M9: 10,242,218 km (0.105 R)
• M10: 12,120,868 km (0.052 R)
• M11: 13,071,862 km (0.081 R)
• M12: 13,446,904 km (0.11 R)
• M13: 14,615,413 km (0.111 R)
• M14: 15,587,350 km (0.054 R)
• M15: 16,766,032 km (0.105 R)
• M16: 17,208,991 km (0.108 R)
• M17: 21,103,173 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.3

Radius: 8.5

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.48 AU - 2.82 AU

Year: 3032 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,204,579 km

• M1: 105,766 km (0.082 R)
• M2: 429,047 km (0.112 R)
• M3: 937,679 km (0.043 R)
• M4: 1,256,622 km (0.068 R)
• M5: 1,701,077 km (0.103 R)
• M6: 2,273,439 km (0.073 R)
• M7: 3,064,961 km (0.074 R)
• M8: 4,841,735 km (0.119 R)
• M9: 5,182,070 km (0.075 R)
• M10: 6,761,674 km (0.09 R)
• M11: 7,100,962 km (0.104 R)
• M12: 8,030,563 km (0.118 R)
• M13: 8,870,855 km (0.117 R)
• M14: 9,521,156 km (0.097 R)
• M15: 11,266,216 km (0.065 R)
• M16: 11,906,046 km (0.097 R)
• M17: 14,898,751 km (0.101 R)
• M18: 16,264,879 km (0.12 R)
• M19: 17,819,350 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.9

Radius: 8.1

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.1 AU - 4.48 AU

Year: 5186 Days

Day: 12.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 155.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,204,579 km

• M1: 102,774 km (0.102 R)
• M2: 463,155 km (0.114 R)
• M3: 994,078 km (0.114 R)
• M4: 1,408,165 km (0.111 R)
• M5: 1,726,808 km (0.117 R)
• M6: 3,354,882 km (0.099 R)
• M7: 3,890,143 km (0.102 R)
• M8: 4,459,662 km (0.109 R)
• M9: 7,547,362 km (0.111 R)
• M10: 8,731,280 km (0.086 R)
• M11: 10,219,928 km (0.106 R)
• M12: 12,500,996 km (0.062 R)
• M13: 13,737,124 km (0.065 R)
• M14: 17,770,133 km (0.096 R)
• M15: 18,042,102 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.7

Radius: 10.6

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.47 AU - 4.83 AU

Year: 5943 Days

Day: 5.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,204,579 km

• M1: 132,095 km (0.084 R)
• M2: 495,767 km (0.056 R)
• M3: 1,017,714 km (0.065 R)
• M4: 1,384,528 km (0.114 R)
• M5: 1,805,198 km (0.087 R)
• M6: 2,338,963 km (0.101 R)
• M7: 3,043,868 km (0.114 R)
• M8: 4,897,236 km (0.048 R)
• M9: 6,734,298 km (0.028 R)
• M10: 7,187,729 km (0.099 R)
• M11: 7,726,132 km (0.06 R)
• M12: 8,122,267 km (0.036 R)
• M13: 8,497,309 km (0.112 R)
• M14: 8,848,265 km (0.071 R)
• M15: 9,356,000 km (0.097 R)
• M16: 10,389,871 km (0.063 R)
• M17: 10,996,341 km (0.103 R)
• M18: 13,282,945 km (0.097 R)
• M19: 14,290,486 km (0.099 R)
• M20: 15,555,336 km (0.097 R)
• M21: 16,838,587 km (0.045 R)
• M22: 20,478,453 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331

Radius: 3.1

Gravity: 34.44 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.68 AU - 8.12 AU

Year: 12740 Days

Day: 21.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,204,579 km

• M1: 38,596 km (0.051 R)
• M2: 149,598 km (0.051 R)
• M3: 879,187 km (0.081 R)
• M4: 1,082,640 km (0.101 R)
• M5: 3,525,573 km (0.069 R)
• M6: 3,749,671 km (0.052 R)
• M7: 4,536,705 km (0.079 R)
• M8: 5,266,593 km (0.099 R)
• M9: 7,346,602 km (0.101 R)
• M10: 8,790,221 km (0.05 R)
• M11: 10,211,999 km (0.088 R)
• M12: 12,620,974 km (0.04 R)
• M13: 15,912,875 km (0.032 R)
• M14: 16,454,868 km (0.116 R)
• M15: 20,836,889 km (0.097 R)
• M16: 23,164,183 km (0.108 R)
• M17: 25,936,531 km (0.113 R)
• M18: 37,905,408 km (0.116 R)
• M19: 39,236,081 km (0.119 R)
• M20: 39,481,272 km (0.117 R)
• M21: 41,862,271 km (0.065 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 14,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit