🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.8

Radius: 10.7

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.94 AU - 1.14 AU

Year: 719 Days

Day: 9.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,058,391 km

• M1: 133,142 km (0.085 R)
• M2: 789,129 km (0.069 R)
• M3: 1,178,981 km (0.114 R)
• M4: 1,644,829 km (0.119 R)
• M5: 2,057,420 km (0.056 R)
• M6: 2,954,259 km (0.073 R)
• M7: 3,289,059 km (0.112 R)
• M8: 4,465,646 km (0.106 R)
• M9: 4,844,129 km (0.063 R)
• M10: 5,381,933 km (0.116 R)
• M11: 5,811,279 km (0.052 R)
• M12: 6,498,083 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.4

Radius: 10.8

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.99 AU - 1.45 AU

Year: 914 Days

Day: 11.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,058,391 km

• M1: 134,638 km (0.09 R)
• M2: 525,388 km (0.085 R)
• M3: 877,840 km (0.071 R)
• M4: 1,350,869 km (0.066 R)
• M5: 1,874,761 km (0.056 R)
• M6: 2,519,079 km (0.077 R)
• M7: 3,166,389 km (0.11 R)
• M8: 3,507,621 km (0.025 R)
• M9: 4,131,893 km (0.119 R)
• M10: 4,523,391 km (0.068 R)
• M11: 4,883,922 km (0.092 R)
• M12: 6,568,693 km (0.113 R)
• M13: 7,080,168 km (0.085 R)
• M14: 9,026,137 km (0.117 R)
• M15: 9,454,436 km (0.082 R)
• M16: 10,137,649 km (0.087 R)
• M17: 10,475,890 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.4

Radius: 10.4

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.51 AU - 2.75 AU

Year: 2893 Days

Day: 8.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 24,058,391 km

• M1: 129,402 km (0.045 R)
• M2: 483,949 km (0.085 R)
• M3: 1,157,140 km (0.097 R)
• M4: 2,580,414 km (0.059 R)
• M5: 3,047,608 km (0.1 R)
• M6: 3,971,823 km (0.119 R)
• M7: 4,381,722 km (0.083 R)
• M8: 5,286,938 km (0.086 R)
• M9: 5,861,245 km (0.073 R)
• M10: 7,283,771 km (0.097 R)
• M11: 9,062,489 km (0.097 R)
• M12: 9,739,270 km (0.079 R)
• M13: 10,487,708 km (0.104 R)
• M14: 11,034,189 km (0.107 R)
• M15: 11,517,540 km (0.079 R)
• M16: 12,397,475 km (0.087 R)
• M17: 12,788,075 km (0.113 R)
• M18: 14,009,392 km (0.092 R)
• M19: 14,338,358 km (0.097 R)
• M20: 14,672,559 km (0.12 R)
• M21: 15,011,847 km (0.065 R)
• M22: 15,356,371 km (0.044 R)
• M23: 16,112,588 km (0.08 R)
• M24: 17,481,858 km (0.116 R)
• M25: 18,194,991 km (0.074 R)
• M26: 18,643,335 km (0.092 R)
• M27: 19,562,166 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.2

Radius: 8.3

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.54 AU - 4.12 AU

Year: 5084 Days

Day: 5.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,058,391 km

• M1: 103,223 km (0.088 R)
• M2: 486,193 km (0.069 R)
• M3: 1,113,158 km (0.077 R)
• M4: 2,337,168 km (0.102 R)
• M5: 3,520,786 km (0.12 R)
• M6: 5,062,542 km (0.074 R)
• M7: 6,249,152 km (0.069 R)
• M8: 6,664,286 km (0.066 R)
• M9: 7,366,798 km (0.098 R)
• M10: 8,445,099 km (0.119 R)
• M11: 10,560,562 km (0.106 R)
• M12: 13,050,918 km (0.034 R)
• M13: 18,140,238 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97

Radius: 6.1

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.83 AU - 6.75 AU

Year: 9450 Days

Day: 21.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,058,391 km

• M1: 75,846 km (0.119 R)
• M2: 424,260 km (0.113 R)
• M3: 716,873 km (0.069 R)
• M4: 1,069,326 km (0.054 R)
• M5: 1,261,409 km (0.069 R)
• M6: 1,716,636 km (0.116 R)
• M7: 1,969,306 km (0.112 R)
• M8: 2,320,113 km (0.08 R)
• M9: 2,662,393 km (0.086 R)
• M10: 2,949,472 km (0.068 R)
• M11: 3,257,194 km (0.041 R)
• M12: 5,627,274 km (0.09 R)
• M13: 5,847,033 km (0.045 R)
• M14: 6,815,230 km (0.055 R)
• M15: 7,192,516 km (0.069 R)
• M16: 7,418,858 km (0.069 R)
• M17: 8,057,491 km (0.083 R)
• M18: 8,551,164 km (0.043 R)
• M19: 9,482,411 km (0.108 R)
• M20: 11,677,161 km (0.06 R)
• M21: 14,908,325 km (0.085 R)
• M22: 15,383,299 km (0.106 R)
• M23: 19,304,259 km (0.066 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 150 - 14,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit