🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.2

Radius: 8.2

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.74 AU - 0.74 AU

Year: 432 Days

Day: 9.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,846,162 km

• M1: 102,026 km (0.116 R)
• M2: 441,164 km (0.1 R)
• M3: 730,636 km (0.092 R)
• M4: 997,668 km (0.109 R)
• M5: 1,656,647 km (0.08 R)
• M6: 2,081,804 km (0.067 R)
• M7: 2,372,622 km (0.049 R)
• M8: 2,709,367 km (0.086 R)
• M9: 3,629,244 km (0.036 R)
• M10: 3,953,423 km (0.088 R)
• M11: 4,577,545 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.1

Radius: 14.5

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.45 AU - 1.73 AU

Year: 1360 Days

Day: 6.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,846,162 km

• M1: 180,415 km (0.087 R)
• M2: 1,117,646 km (0.034 R)
• M3: 1,645,876 km (0.103 R)
• M4: 2,233,347 km (0.045 R)
• M5: 3,416,067 km (0.091 R)
• M6: 4,032,859 km (0.069 R)
• M7: 4,650,998 km (0.053 R)
• M8: 5,272,577 km (0.084 R)
• M9: 6,121,994 km (0.113 R)
• M10: 6,799,971 km (0.118 R)
• M11: 7,304,116 km (0.077 R)
• M12: 8,015,155 km (0.081 R)
• M13: 9,399,683 km (0.106 R)
• M14: 10,180,135 km (0.115 R)
• M15: 10,681,587 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.8

Radius: 8

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.39 AU - 2.31 AU

Year: 1707 Days

Day: 13.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,846,162 km

• M1: 99,483 km (0.064 R)
• M2: 388,356 km (0.101 R)
• M3: 651,499 km (0.103 R)
• M4: 921,074 km (0.119 R)
• M5: 1,503,010 km (0.065 R)
• M6: 1,769,294 km (0.079 R)
• M7: 2,108,133 km (0.039 R)
• M8: 2,740,783 km (0.119 R)
• M9: 3,407,241 km (0.034 R)
• M10: 3,687,288 km (0.101 R)
• M11: 4,909,653 km (0.101 R)
• M12: 5,210,195 km (0.09 R)
• M13: 5,582,993 km (0.104 R)
• M14: 7,771,310 km (0.113 R)
• M15: 8,025,327 km (0.087 R)
• M16: 8,576,895 km (0.045 R)
• M17: 9,181,569 km (0.045 R)
• M18: 9,436,933 km (0.035 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.4

Radius: 5.2

Gravity: 31.71 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.86 AU - 7.48 AU

Year: 10395 Days

Day: 19.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 36,846,162 km

• M1: 65,225 km (0.075 R)
• M2: 265,686 km (0.11 R)
• M3: 683,961 km (0.104 R)
• M4: 1,153,699 km (0.117 R)
• M5: 1,316,312 km (0.094 R)
• M6: 1,494,184 km (0.113 R)
• M7: 1,672,654 km (0.078 R)
• M8: 2,002,068 km (0.12 R)
• M9: 2,182,483 km (0.072 R)
• M10: 2,901,600 km (0.039 R)
• M11: 3,278,288 km (0.12 R)
• M12: 3,555,792 km (0.109 R)
• M13: 3,794,251 km (0.084 R)
• M14: 5,491,588 km (0.097 R)
• M15: 5,738,724 km (0.092 R)
• M16: 6,217,437 km (0.115 R)
• M17: 6,842,756 km (0.05 R)
• M18: 8,635,088 km (0.117 R)
• M19: 9,921,181 km (0.071 R)
• M20: 10,938,148 km (0.083 R)
• M21: 11,557,782 km (0.067 R)
• M22: 13,749,241 km (0.101 R)
• M23: 14,942,434 km (0.117 R)
• M24: 15,634,324 km (0.075 R)
• M25: 23,674,611 km (0.115 R)
• M26: 24,235,154 km (0.095 R)
• M27: 24,518,792 km (0.079 R)
• M28: 24,804,673 km (0.038 R)
• M29: 25,871,755 km (0.029 R)
• M30: 27,889,681 km (0.102 R)
• M31: 38,020,897 km (0.088 R)
• M32: 38,660,578 km (0.068 R)
• M33: 42,376,140 km (0.085 R)
• M34: 43,063,692 km (0.092 R)
• M35: 49,894,779 km (0.025 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.5

Radius: 7.6

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.24 AU - 7.9 AU

Year: 11422 Days

Day: 18.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,846,162 km

• M1: 95,892 km (0.118 R)
• M2: 475,272 km (0.033 R)
• M3: 1,321,548 km (0.115 R)
• M4: 1,809,237 km (0.11 R)
• M5: 2,063,703 km (0.029 R)
• M6: 6,377,357 km (0.107 R)
• M7: 6,900,651 km (0.028 R)
• M8: 7,377,120 km (0.116 R)
• M9: 8,354,592 km (0.093 R)
• M10: 9,196,978 km (0.073 R)
• M11: 9,549,281 km (0.076 R)
• M12: 17,669,603 km (0.057 R)
• M13: 22,664,676 km (0.115 R)
• M14: 24,295,592 km (0.061 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 17,950 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit