🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857

Radius: 12.7

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.58 AU - 0.78 AU

Year: 394 Days

Day: 11 Hours

Environment

Temp: -163 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,881,815 km

• M1: 157,975 km (0.079 R)
• M2: 574,157 km (0.109 R)
• M3: 1,064,838 km (0.088 R)
• M4: 1,635,105 km (0.078 R)
• M5: 2,121,597 km (0.102 R)
• M6: 2,765,317 km (0.073 R)
• M7: 3,196,159 km (0.089 R)
• M8: 3,709,429 km (0.044 R)
• M9: 4,167,647 km (0.115 R)
• M10: 4,827,523 km (0.102 R)
• M11: 5,230,540 km (0.11 R)
• M12: 5,723,764 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.7

Radius: 9.3

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.67 AU - 0.81 AU

Year: 447 Days

Day: 10 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,881,815 km

• M1: 115,639 km (0.082 R)
• M2: 511,625 km (0.094 R)
• M3: 1,172,099 km (0.042 R)
• M4: 1,499,419 km (0.12 R)
• M5: 1,888,075 km (0.118 R)
• M6: 2,214,647 km (0.118 R)
• M7: 2,741,830 km (0.064 R)
• M8: 3,441,200 km (0.097 R)
• M9: 3,833,296 km (0.074 R)
• M10: 4,908,905 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.4

Radius: 13.4

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.83 AU - 1.33 AU

Year: 789 Days

Day: 12.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,881,815 km

• M1: 166,652 km (0.084 R)
• M2: 635,941 km (0.049 R)
• M3: 1,161,627 km (0.04 R)
• M4: 1,746,555 km (0.077 R)
• M5: 2,245,464 km (0.102 R)
• M6: 2,839,816 km (0.03 R)
• M7: 3,318,230 km (0.109 R)
• M8: 6,617,761 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.8

Radius: 8.4

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.17 AU - 1.17 AU

Year: 890 Days

Day: 5.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,881,815 km

• M1: 104,419 km (0.034 R)
• M2: 479,461 km (0.102 R)
• M3: 896,690 km (0.073 R)
• M4: 1,455,737 km (0.025 R)
• M5: 2,441,736 km (0.052 R)
• M6: 2,728,216 km (0.099 R)
• M7: 3,255,848 km (0.092 R)
• M8: 3,604,112 km (0.09 R)
• M9: 3,977,059 km (0.065 R)
• M10: 4,392,941 km (0.107 R)
• M11: 6,441,834 km (0.112 R)
• M12: 7,674,520 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.6

Radius: 12.9

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.49 AU - 1.85 AU

Year: 1517 Days

Day: 13.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,881,815 km

• M1: 161,267 km (0.087 R)
• M2: 661,671 km (0.071 R)
• M3: 1,137,542 km (0.057 R)
• M4: 1,897,499 km (0.031 R)
• M5: 2,649,977 km (0.075 R)
• M6: 3,342,316 km (0.119 R)
• M7: 3,925,299 km (0.091 R)
• M8: 4,556,602 km (0.05 R)
• M9: 5,089,170 km (0.115 R)
• M10: 5,553,671 km (0.087 R)
• M11: 6,446,920 km (0.079 R)
• M12: 8,174,476 km (0.114 R)
• M13: 8,754,168 km (0.088 R)
• M14: 10,159,640 km (0.079 R)
• M15: 11,638,266 km (0.114 R)
• M16: 12,867,062 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.1

Radius: 10.6

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.56 AU - 2.18 AU

Year: 1798 Days

Day: 12.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,881,815 km

• M1: 131,945 km (0.069 R)
• M2: 542,292 km (0.12 R)
• M3: 969,095 km (0.073 R)
• M4: 1,659,340 km (0.1 R)
• M5: 1,994,588 km (0.106 R)
• M6: 2,819,621 km (0.109 R)
• M7: 3,805,022 km (0.112 R)
• M8: 5,027,236 km (0.104 R)
• M9: 5,578,804 km (0.081 R)
• M10: 6,494,343 km (0.08 R)
• M11: 7,534,946 km (0.113 R)
• M12: 10,391,218 km (0.083 R)
• M13: 12,002,536 km (0.091 R)
• M14: 12,509,075 km (0.064 R)
• M15: 13,274,866 km (0.075 R)
• M16: 13,901,233 km (0.045 R)
• M17: 14,286,597 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.6

Radius: 8.5

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.14 AU - 5.08 AU

Year: 6958 Days

Day: 12.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,881,815 km

• M1: 106,962 km (0.043 R)
• M2: 451,486 km (0.085 R)
• M3: 802,144 km (0.089 R)
• M4: 1,100,891 km (0.085 R)
• M5: 1,788,891 km (0.084 R)
• M6: 4,340,582 km (0.109 R)
• M7: 4,795,809 km (0.06 R)
• M8: 5,253,129 km (0.111 R)
• M9: 5,739,173 km (0.051 R)
• M10: 6,155,952 km (0.107 R)
• M11: 6,836,323 km (0.11 R)
• M12: 7,490,814 km (0.107 R)
• M13: 7,988,975 km (0.089 R)
• M14: 8,306,272 km (0.12 R)
• M15: 8,840,037 km (0.059 R)
• M16: 10,344,543 km (0.103 R)
• M17: 13,514,821 km (0.05 R)
• M18: 14,080,451 km (0.114 R)
• M19: 14,602,996 km (0.088 R)
• M20: 15,810,550 km (0.076 R)
• M21: 20,121,662 km (0.105 R)
• M22: 22,388,369 km (0.07 R)
• M23: 29,537,202 km (0.058 R)
• M24: 30,393,351 km (0.077 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 16,850 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit