🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.9

Radius: 10.7

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.81 AU - 0.95 AU

Year: 560 Days

Day: 11.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,821,066 km

• M1: 133,740 km (0.067 R)
• M2: 797,955 km (0.097 R)
• M3: 1,298,210 km (0.092 R)
• M4: 1,959,283 km (0.107 R)
• M5: 2,386,834 km (0.116 R)
• M6: 2,723,878 km (0.117 R)
• M7: 3,295,940 km (0.119 R)
• M8: 4,542,539 km (0.084 R)
• M9: 6,079,807 km (0.107 R)
• M10: 6,479,084 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.5

Radius: 12.2

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.35 AU - 1.97 AU

Year: 1451 Days

Day: 12.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 44,821,066 km

• M1: 165,754 km (0.088 R)
• M2: 839,244 km (0.059 R)
• M3: 1,836,613 km (0.07 R)
• M4: 2,339,860 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.5

Radius: 12.3

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.33 AU - 2.05 AU

Year: 1490 Days

Day: 7.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,821,066 km

• M1: 153,039 km (0.072 R)
• M2: 574,456 km (0.064 R)
• M3: 1,006,794 km (0.117 R)
• M4: 1,419,534 km (0.101 R)
• M5: 1,921,136 km (0.1 R)
• M6: 3,525,274 km (0.111 R)
• M7: 4,180,812 km (0.03 R)
• M8: 5,405,270 km (0.092 R)
• M9: 5,964,766 km (0.058 R)
• M10: 7,156,762 km (0.032 R)
• M11: 7,694,118 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.7

Radius: 11.2

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.85 AU - 2.07 AU

Year: 1861 Days

Day: 6.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,821,066 km

• M1: 139,425 km (0.078 R)
• M2: 540,647 km (0.086 R)
• M3: 912,697 km (0.054 R)
• M4: 1,263,204 km (0.108 R)
• M5: 1,893,161 km (0.106 R)
• M6: 2,455,200 km (0.112 R)
• M7: 3,229,220 km (0.115 R)
• M8: 3,600,970 km (0.077 R)
• M9: 4,266,531 km (0.055 R)
• M10: 4,638,731 km (0.119 R)
• M11: 7,090,490 km (0.041 R)
• M12: 7,777,294 km (0.113 R)
• M13: 8,478,759 km (0.083 R)
• M14: 8,949,693 km (0.064 R)
• M15: 9,688,556 km (0.053 R)
• M16: 11,428,978 km (0.101 R)
• M17: 12,448,188 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.2

Radius: 10.8

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.95 AU - 2.75 AU

Year: 2443 Days

Day: 14.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,821,066 km

• M1: 137,630 km (0.084 R)
• M2: 565,630 km (0.095 R)
• M3: 1,137,542 km (0.114 R)
• M4: 1,685,370 km (0.107 R)
• M5: 2,253,094 km (0.064 R)
• M6: 2,976,998 km (0.115 R)
• M7: 3,715,263 km (0.111 R)
• M8: 4,861,781 km (0.044 R)
• M9: 5,554,270 km (0.081 R)
• M10: 6,729,211 km (0.095 R)
• M11: 7,106,198 km (0.113 R)
• M12: 7,651,632 km (0.072 R)
• M13: 12,198,809 km (0.05 R)
• M14: 12,629,651 km (0.102 R)
• M15: 14,360,348 km (0.065 R)
• M16: 15,732,909 km (0.072 R)
• M17: 16,295,546 km (0.113 R)
• M18: 17,569,372 km (0.107 R)
• M19: 18,624,037 km (0.112 R)
• M20: 18,965,868 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.8

Radius: 13.8

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.21 AU - 3.35 AU

Year: 3144 Days

Day: 7.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,821,066 km

• M1: 173,384 km (0.098 R)
• M2: 654,939 km (0.098 R)
• M3: 1,437,486 km (0.094 R)
• M4: 2,470,609 km (0.089 R)
• M5: 3,084,858 km (0.049 R)
• M6: 4,161,962 km (0.093 R)
• M7: 4,739,111 km (0.101 R)
• M8: 5,986,458 km (0.12 R)
• M9: 8,791,867 km (0.096 R)
• M10: 9,431,248 km (0.114 R)
• M11: 10,365,188 km (0.055 R)
• M12: 10,906,283 km (0.092 R)
• M13: 11,573,340 km (0.097 R)
• M14: 12,045,321 km (0.111 R)
• M15: 12,682,010 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.9

Radius: 8.4

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.13 AU - 4.17 AU

Year: 4730 Days

Day: 8.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 93.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,821,066 km

• M1: 104,569 km (0.116 R)
• M2: 492,476 km (0.05 R)
• M3: 849,716 km (0.053 R)
• M4: 1,142,329 km (0.093 R)
• M5: 1,439,580 km (0.066 R)
• M6: 1,705,266 km (0.102 R)
• M7: 2,056,971 km (0.047 R)
• M8: 2,352,277 km (0.059 R)
• M9: 2,675,857 km (0.097 R)
• M10: 3,432,374 km (0.056 R)
• M11: 4,575,600 km (0.025 R)
• M12: 5,158,135 km (0.114 R)
• M13: 5,871,567 km (0.058 R)
• M14: 6,892,273 km (0.07 R)
• M15: 7,172,769 km (0.116 R)
• M16: 7,493,507 km (0.114 R)
• M17: 8,302,682 km (0.107 R)
• M18: 9,896,049 km (0.091 R)
• M19: 11,207,274 km (0.096 R)
• M20: 14,071,026 km (0.108 R)
• M21: 15,458,098 km (0.092 R)
• M22: 16,990,578 km (0.053 R)
• M23: 17,793,620 km (0.113 R)
• M24: 19,106,341 km (0.084 R)
• M25: 20,227,427 km (0.076 R)
• M26: 23,082,353 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.4

Radius: 3.2

Gravity: 64.2 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.67 AU - 6.73 AU

Year: 9230 Days

Day: 16.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 44,821,066 km

• M1: 39,793 km (0.06 R)
• M2: 318,793 km (0.044 R)
• M3: 491,130 km (0.099 R)
• M4: 808,876 km (0.1 R)
• M5: 1,708,258 km (0.095 R)
• M6: 1,846,935 km (0.113 R)
• M7: 2,271,494 km (0.107 R)
• M8: 2,696,202 km (0.104 R)
• M9: 2,841,761 km (0.052 R)
• M10: 5,537,365 km (0.071 R)
• M11: 6,594,125 km (0.071 R)
• M12: 7,449,675 km (0.08 R)
• M13: 12,224,689 km (0.081 R)
• M14: 13,690,150 km (0.041 R)
• M15: 14,496,482 km (0.077 R)
• M16: 15,137,958 km (0.091 R)
• M17: 16,408,493 km (0.119 R)
• M18: 17,034,410 km (0.12 R)
• M19: 18,112,712 km (0.113 R)
• M20: 19,007,606 km (0.096 R)
• M21: 21,290,769 km (0.104 R)
• M22: 22,371,165 km (0.112 R)
• M23: 27,058,664 km (0.089 R)
• M24: 27,735,744 km (0.089 R)
• M25: 28,029,255 km (0.042 R)
• M26: 29,630,252 km (0.039 R)
• M27: 33,897,082 km (0.09 R)
• M28: 34,683,518 km (0.096 R)
• M29: 35,712,452 km (0.07 R)
• M30: 36,059,968 km (0.086 R)
• M31: 36,643,998 km (0.058 R)
• M32: 40,156,706 km (0.088 R)
• M33: 41,290,807 km (0.116 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: 232 - 12,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit