🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.7

Radius: 11.8

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.48 AU - 0.58 AU

Year: 262 Days

Day: 11.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 76,210,456 km

• M1: 147,504 km (0.11 R)
• M2: 574,007 km (0.057 R)
• M3: 1,096,104 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.7

Radius: 8.7

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.61 AU - 2.29 AU

Year: 1847 Days

Day: 5.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,210,456 km

• M1: 108,309 km (0.058 R)
• M2: 427,551 km (0.062 R)
• M3: 753,076 km (0.079 R)
• M4: 1,206,357 km (0.098 R)
• M5: 1,844,691 km (0.078 R)
• M6: 2,764,419 km (0.119 R)
• M7: 3,529,911 km (0.075 R)
• M8: 4,191,732 km (0.108 R)
• M9: 4,614,496 km (0.074 R)
• M10: 4,999,411 km (0.081 R)
• M11: 6,030,889 km (0.082 R)
• M12: 6,650,224 km (0.12 R)
• M13: 7,339,870 km (0.113 R)
• M14: 8,137,227 km (0.113 R)
• M15: 8,604,421 km (0.075 R)
• M16: 9,524,597 km (0.11 R)
• M17: 10,185,371 km (0.114 R)
• M18: 11,252,453 km (0.072 R)
• M19: 11,675,964 km (0.076 R)
• M20: 12,351,698 km (0.11 R)
• M21: 13,349,516 km (0.048 R)
• M22: 13,693,740 km (0.044 R)
• M23: 14,490,199 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.9

Radius: 13.9

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.37 AU - 2.69 AU

Year: 2729 Days

Day: 14.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,210,456 km

• M1: 173,085 km (0.09 R)
• M2: 615,446 km (0.052 R)
• M3: 1,053,019 km (0.09 R)
• M4: 1,507,647 km (0.055 R)
• M5: 2,708,170 km (0.054 R)
• M6: 3,238,943 km (0.118 R)
• M7: 3,766,874 km (0.034 R)
• M8: 4,452,182 km (0.057 R)
• M9: 5,635,352 km (0.075 R)
• M10: 6,456,046 km (0.114 R)
• M11: 7,614,232 km (0.088 R)
• M12: 8,491,774 km (0.075 R)
• M13: 11,302,269 km (0.079 R)
• M14: 11,962,893 km (0.086 R)
• M15: 12,897,580 km (0.057 R)
• M16: 13,619,241 km (0.118 R)
• M17: 15,947,133 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838

Radius: 10.5

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.42 AU - 2.7 AU

Year: 2778 Days

Day: 10.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,210,456 km

• M1: 130,599 km (0.111 R)
• M2: 516,262 km (0.094 R)
• M3: 868,565 km (0.081 R)
• M4: 1,211,892 km (0.071 R)
• M5: 2,147,477 km (0.062 R)
• M6: 3,642,708 km (0.099 R)
• M7: 3,981,697 km (0.079 R)
• M8: 4,770,227 km (0.106 R)
• M9: 6,982,630 km (0.109 R)
• M10: 7,928,687 km (0.081 R)
• M11: 10,074,220 km (0.116 R)
• M12: 12,049,360 km (0.119 R)
• M13: 14,715,045 km (0.089 R)
• M14: 15,684,738 km (0.029 R)
• M15: 19,027,503 km (0.074 R)
• M16: 19,446,078 km (0.101 R)
• M17: 20,425,944 km (0.068 R)
• M18: 20,864,864 km (0.098 R)
• M19: 21,310,067 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.2

Radius: 9.4

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.16 AU - 5.8 AU

Year: 8701 Days

Day: 6.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 131.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,210,456 km

• M1: 116,986 km (0.112 R)
• M2: 508,483 km (0.108 R)
• M3: 1,065,286 km (0.082 R)
• M4: 1,394,103 km (0.051 R)
• M5: 1,977,085 km (0.116 R)
• M6: 2,775,788 km (0.065 R)
• M7: 3,553,398 km (0.092 R)
• M8: 4,220,156 km (0.067 R)
• M9: 4,877,339 km (0.114 R)
• M10: 5,767,896 km (0.099 R)
• M11: 6,216,540 km (0.083 R)
• M12: 6,800,570 km (0.1 R)
• M13: 8,421,014 km (0.099 R)
• M14: 10,687,571 km (0.09 R)
• M15: 11,049,149 km (0.059 R)
• M16: 12,463,896 km (0.049 R)
• M17: 15,649,433 km (0.071 R)
• M18: 17,429,498 km (0.066 R)
• M19: 18,589,779 km (0.106 R)
• M20: 19,264,615 km (0.05 R)
• M21: 20,346,806 km (0.11 R)
• M22: 21,063,530 km (0.072 R)
• M23: 27,416,054 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.6

Radius: 5.2

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.28 AU - 9.2 AU

Year: 17525 Days

Day: 22.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,210,456 km

• M1: 64,776 km (0.113 R)
• M2: 354,697 km (0.068 R)
• M3: 812,765 km (0.076 R)
• M4: 3,421,154 km (0.063 R)
• M5: 4,219,109 km (0.115 R)
• M6: 5,190,597 km (0.095 R)
• M7: 7,208,523 km (0.032 R)
• M8: 11,512,454 km (0.077 R)
• M9: 13,119,284 km (0.092 R)
• M10: 16,402,359 km (0.118 R)
• M11: 22,143,477 km (0.113 R)
• M12: 23,821,516 km (0.049 R)
• M13: 25,829,269 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.7

Radius: 5.5

Gravity: 21.48 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.31 AU - 12.15 AU

Year: 20585 Days

Day: 22.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,210,456 km

• M1: 77,940 km (0.104 R)
• M2: 315,203 km (0.093 R)
• M3: 1,775,876 km (0.11 R)
• M4: 2,083,450 km (0.08 R)
• M5: 2,956,652 km (0.108 R)
• M6: 4,447,545 km (0.082 R)
• M7: 6,038,219 km (0.044 R)
• M8: 7,335,681 km (0.099 R)
• M9: 10,228,306 km (0.076 R)
• M10: 12,191,778 km (0.109 R)
• M11: 12,805,727 km (0.088 R)
• M12: 13,015,015 km (0.03 R)
• M13: 15,786,016 km (0.1 R)
• M14: 27,435,801 km (0.086 R)
• M15: 36,340,913 km (0.116 R)
• M16: 48,668,077 km (0.077 R)
• M17: 67,644,716 km (0.036 R)
• M18: 68,705,066 km (0.072 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: 518 - 13,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit