🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.8

Radius: 11.1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.81 AU - 1.21 AU

Year: 688 Days

Day: 11.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,253,227 km

• M1: 138,378 km (0.101 R)
• M2: 600,935 km (0.107 R)
• M3: 957,576 km (0.111 R)
• M4: 1,324,689 km (0.105 R)
• M5: 1,836,463 km (0.11 R)
• M6: 2,383,393 km (0.097 R)
• M7: 2,728,516 km (0.117 R)
• M8: 3,209,922 km (0.046 R)
• M9: 3,644,653 km (0.058 R)
• M10: 4,218,062 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746

Radius: 8.9

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.43 AU - 2.23 AU

Year: 1679 Days

Day: 11.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 162.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,253,227 km

• M1: 142,716 km (0.063 R)
• M2: 1,320,201 km (0.088 R)
• M3: 1,810,433 km (0.118 R)
• M4: 2,193,554 km (0.089 R)
• M5: 2,589,390 km (0.033 R)
• M6: 3,186,135 km (0.05 R)
• M7: 4,393,989 km (0.082 R)
• M8: 4,836,798 km (0.107 R)
• M9: 6,522,617 km (0.112 R)
• M10: 7,018,982 km (0.118 R)
• M11: 7,999,148 km (0.097 R)
• M12: 9,455,483 km (0.095 R)
• M13: 10,229,054 km (0.115 R)
• M14: 10,720,333 km (0.106 R)
• M15: 12,604,069 km (0.105 R)
• M16: 13,540,702 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.3

Radius: 11.5

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.97 AU - 3.15 AU

Year: 2778 Days

Day: 6.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,253,227 km

• M1: 143,016 km (0.06 R)
• M2: 524,490 km (0.063 R)
• M3: 993,928 km (0.114 R)
• M4: 1,495,829 km (0.027 R)
• M5: 1,958,535 km (0.109 R)
• M6: 2,328,491 km (0.111 R)
• M7: 2,956,054 km (0.067 R)
• M8: 3,871,144 km (0.081 R)
• M9: 4,461,009 km (0.039 R)
• M10: 4,847,869 km (0.086 R)
• M11: 5,207,801 km (0.055 R)
• M12: 7,131,031 km (0.09 R)
• M13: 7,598,225 km (0.108 R)
• M14: 9,015,815 km (0.089 R)
• M15: 9,901,285 km (0.106 R)
• M16: 11,129,633 km (0.08 R)
• M17: 12,017,646 km (0.113 R)
• M18: 14,031,083 km (0.06 R)
• M19: 17,908,959 km (0.04 R)
• M20: 18,366,879 km (0.05 R)
• M21: 20,587,509 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.2

Radius: 14.3

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.18 AU - 4.26 AU

Year: 4866 Days

Day: 13.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,253,227 km

• M1: 177,872 km (0.06 R)
• M2: 914,492 km (0.105 R)
• M3: 1,897,051 km (0.118 R)
• M4: 2,776,686 km (0.12 R)
• M5: 3,381,510 km (0.066 R)
• M6: 4,503,494 km (0.093 R)
• M7: 4,990,286 km (0.077 R)
• M8: 5,512,382 km (0.101 R)
• M9: 6,764,816 km (0.041 R)
• M10: 8,050,909 km (0.087 R)
• M11: 8,968,841 km (0.081 R)
• M12: 9,702,170 km (0.109 R)
• M13: 11,475,503 km (0.093 R)
• M14: 12,389,696 km (0.102 R)
• M15: 14,804,654 km (0.119 R)
• M16: 16,720,255 km (0.062 R)
• M17: 18,022,504 km (0.085 R)
• M18: 19,862,558 km (0.064 R)
• M19: 22,042,648 km (0.071 R)
• M20: 23,455,301 km (0.087 R)
• M21: 28,920,260 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.9

Radius: 12.4

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.65 AU - 3.79 AU

Year: 4866 Days

Day: 12.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,253,227 km

• M1: 154,385 km (0.079 R)
• M2: 803,939 km (0.081 R)
• M3: 1,432,549 km (0.119 R)
• M4: 2,454,602 km (0.117 R)
• M5: 2,965,778 km (0.119 R)
• M6: 3,819,533 km (0.047 R)
• M7: 4,615,244 km (0.107 R)
• M8: 5,282,301 km (0.06 R)
• M9: 8,228,930 km (0.093 R)
• M10: 8,710,635 km (0.097 R)
• M11: 9,695,737 km (0.108 R)
• M12: 10,491,448 km (0.098 R)
• M13: 11,566,758 km (0.112 R)
• M14: 12,295,748 km (0.095 R)
• M15: 12,798,696 km (0.11 R)
• M16: 14,025,848 km (0.117 R)
• M17: 14,808,244 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.3

Radius: 12.7

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.68 AU - 3.92 AU

Year: 5024 Days

Day: 14.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,253,227 km

• M1: 157,975 km (0.058 R)
• M2: 1,239,568 km (0.103 R)
• M3: 1,723,816 km (0.083 R)
• M4: 2,452,358 km (0.104 R)
• M5: 3,510,912 km (0.106 R)
• M6: 4,101,226 km (0.043 R)
• M7: 4,639,329 km (0.099 R)
• M8: 5,198,975 km (0.112 R)
• M9: 5,614,408 km (0.107 R)
• M10: 7,767,869 km (0.082 R)
• M11: 8,523,787 km (0.096 R)
• M12: 9,787,889 km (0.106 R)
• M13: 11,692,270 km (0.116 R)
• M14: 12,731,976 km (0.109 R)
• M15: 13,155,188 km (0.068 R)
• M16: 14,229,749 km (0.089 R)
• M17: 15,203,931 km (0.065 R)
• M18: 15,895,821 km (0.086 R)
• M19: 16,888,403 km (0.032 R)
• M20: 18,394,405 km (0.099 R)
• M21: 19,180,093 km (0.116 R)
• M22: 21,078,938 km (0.073 R)
• M23: 23,449,017 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.2

Radius: 5.9

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.57 AU - 11.29 AU

Year: 19641 Days

Day: 20.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,253,227 km

• M1: 86,916 km (0.083 R)
• M2: 1,994,588 km (0.048 R)
• M3: 2,315,177 km (0.116 R)
• M4: 3,825,816 km (0.114 R)
• M5: 4,771,274 km (0.12 R)
• M6: 6,521,719 km (0.118 R)
• M7: 9,147,311 km (0.085 R)
• M8: 9,699,028 km (0.069 R)
• M9: 15,896,419 km (0.108 R)
• M10: 16,964,249 km (0.073 R)
• M11: 17,169,647 km (0.108 R)
• M12: 19,316,227 km (0.114 R)
• M13: 23,196,496 km (0.113 R)
• M14: 34,935,890 km (0.042 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 13,452 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit