🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.8

Radius: 13.1

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.64 AU - 1.76 AU

Year: 1454 Days

Day: 12.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,440,189 km

• M1: 162,912 km (0.094 R)
• M2: 659,876 km (0.111 R)
• M3: 1,199,027 km (0.097 R)
• M4: 1,662,930 km (0.043 R)
• M5: 2,676,306 km (0.12 R)
• M6: 3,391,384 km (0.088 R)
• M7: 4,120,823 km (0.053 R)
• M8: 5,916,596 km (0.106 R)
• M9: 6,542,962 km (0.073 R)
• M10: 7,347,200 km (0.039 R)
• M11: 8,245,386 km (0.04 R)
• M12: 8,751,625 km (0.115 R)
• M13: 9,215,528 km (0.034 R)
• M14: 9,695,737 km (0.113 R)
• M15: 10,260,320 km (0.107 R)
• M16: 10,776,582 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.2

Radius: 8.5

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.69 AU - 2.39 AU

Year: 1911 Days

Day: 11.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,440,189 km

• M1: 105,766 km (0.072 R)
• M2: 394,938 km (0.103 R)
• M3: 682,017 km (0.113 R)
• M4: 1,107,473 km (0.085 R)
• M5: 1,774,081 km (0.085 R)
• M6: 2,173,059 km (0.111 R)
• M7: 3,536,194 km (0.093 R)
• M8: 4,060,385 km (0.112 R)
• M9: 4,655,635 km (0.108 R)
• M10: 5,263,900 km (0.09 R)
• M11: 5,530,633 km (0.078 R)
• M12: 6,115,561 km (0.075 R)
• M13: 6,435,700 km (0.095 R)
• M14: 7,547,213 km (0.072 R)
• M15: 8,446,296 km (0.082 R)
• M16: 9,285,989 km (0.088 R)
• M17: 10,807,549 km (0.108 R)
• M18: 11,872,087 km (0.083 R)
• M19: 13,827,182 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.9

Radius: 10.8

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.38 AU - 2.66 AU

Year: 2624 Days

Day: 14.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,440,189 km

• M1: 135,087 km (0.053 R)
• M2: 525,537 km (0.115 R)
• M3: 988,393 km (0.064 R)
• M4: 1,391,260 km (0.096 R)
• M5: 1,730,698 km (0.084 R)
• M6: 2,225,119 km (0.114 R)
• M7: 3,347,402 km (0.059 R)
• M8: 4,082,227 km (0.077 R)
• M9: 4,813,162 km (0.058 R)
• M10: 5,210,195 km (0.086 R)
• M11: 5,871,417 km (0.099 R)
• M12: 6,222,523 km (0.112 R)
• M13: 6,857,417 km (0.077 R)
• M14: 8,102,370 km (0.11 R)
• M15: 9,056,356 km (0.092 R)
• M16: 9,872,113 km (0.072 R)
• M17: 10,515,534 km (0.077 R)
• M18: 10,959,839 km (0.116 R)
• M19: 13,501,657 km (0.084 R)
• M20: 15,399,904 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.7

Radius: 12.4

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.22 AU - 2.92 AU

Year: 2703 Days

Day: 6.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,440,189 km

• M1: 157,527 km (0.079 R)
• M2: 567,126 km (0.09 R)
• M3: 1,039,256 km (0.084 R)
• M4: 1,847,534 km (0.065 R)
• M5: 2,234,095 km (0.1 R)
• M6: 2,877,665 km (0.066 R)
• M7: 4,113,193 km (0.117 R)
• M8: 5,548,585 km (0.06 R)
• M9: 6,762,273 km (0.096 R)
• M10: 7,509,065 km (0.077 R)
• M11: 9,096,747 km (0.087 R)
• M12: 9,636,048 km (0.106 R)
• M13: 10,621,299 km (0.082 R)
• M14: 13,424,015 km (0.073 R)
• M15: 14,410,613 km (0.115 R)
• M16: 14,897,106 km (0.096 R)
• M17: 15,851,839 km (0.079 R)
• M18: 16,422,854 km (0.062 R)
• M19: 18,788,146 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.9

Radius: 5.1

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.07 AU - 7.45 AU

Year: 10275 Days

Day: 20.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 113.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,440,189 km

• M1: 63,878 km (0.079 R)
• M2: 707,897 km (0.035 R)
• M3: 1,158,187 km (0.059 R)
• M4: 1,883,587 km (0.085 R)
• M5: 2,490,805 km (0.101 R)
• M6: 2,839,517 km (0.09 R)
• M7: 3,613,387 km (0.118 R)
• M8: 4,171,836 km (0.059 R)
• M9: 5,324,487 km (0.116 R)
• M10: 5,649,713 km (0.109 R)
• M11: 6,862,054 km (0.091 R)
• M12: 12,581,331 km (0.101 R)
• M13: 13,702,417 km (0.085 R)
• M14: 14,261,464 km (0.092 R)
• M15: 14,572,628 km (0.026 R)
• M16: 16,366,306 km (0.096 R)
• M17: 20,450,478 km (0.044 R)
• M18: 23,401,146 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.9

Radius: 5.2

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.3 AU - 10.18 AU

Year: 18425 Days

Day: 19.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,440,189 km

• M1: 64,925 km (0.103 R)
• M2: 438,621 km (0.032 R)
• M3: 609,611 km (0.094 R)
• M4: 1,093,112 km (0.11 R)
• M5: 1,277,566 km (0.092 R)
• M6: 2,654,165 km (0.107 R)
• M7: 3,331,245 km (0.108 R)
• M8: 3,498,945 km (0.096 R)
• M9: 6,048,392 km (0.088 R)
• M10: 14,906,231 km (0.065 R)
• M11: 16,305,121 km (0.097 R)
• M12: 16,860,278 km (0.089 R)
• M13: 22,182,671 km (0.079 R)
• M14: 23,296,876 km (0.099 R)
• M15: 28,128,140 km (0.109 R)
• M16: 33,475,366 km (0.108 R)
• M17: 34,258,361 km (0.114 R)
• M18: 36,562,767 km (0.085 R)
• M19: 36,798,832 km (0.08 R)
• M20: 37,632,691 km (0.047 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 16,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit