🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.5

Radius: 9.9

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.39 AU - 0.65 AU

Year: 259 Days

Day: 8.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 80,026,489 km

• M1: 123,119 km (0.092 R)
• M2: 659,278 km (0.082 R)
• M3: 1,065,436 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.6

Radius: 14.6

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.74 AU - 1.23 AU

Year: 670 Days

Day: 5.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,026,489 km

• M1: 181,612 km (0.079 R)
• M2: 886,367 km (0.117 R)
• M3: 1,413,849 km (0.114 R)
• M4: 2,377,559 km (0.088 R)
• M5: 3,063,914 km (0.073 R)
• M6: 3,745,781 km (0.107 R)
• M7: 4,260,099 km (0.119 R)
• M8: 5,162,323 km (0.113 R)
• M9: 6,021,015 km (0.103 R)
• M10: 6,533,687 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366

Radius: 13.5

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.07 AU - 5.15 AU

Year: 7973 Days

Day: 5.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,026,489 km

• M1: 180,864 km (0.069 R)
• M2: 605,273 km (0.078 R)
• M3: 1,441,525 km (0.048 R)
• M4: 3,940,857 km (0.089 R)
• M5: 5,887,424 km (0.116 R)
• M6: 7,464,036 km (0.085 R)
• M7: 8,448,989 km (0.105 R)
• M8: 8,932,190 km (0.11 R)
• M9: 9,648,015 km (0.109 R)
• M10: 10,131,516 km (0.077 R)
• M11: 15,419,053 km (0.101 R)
• M12: 16,020,137 km (0.077 R)
• M13: 16,450,231 km (0.104 R)
• M14: 17,333,606 km (0.084 R)
• M15: 17,787,037 km (0.115 R)
• M16: 21,481,656 km (0.111 R)
• M17: 22,308,184 km (0.112 R)
• M18: 22,767,749 km (0.088 R)
• M19: 25,326,920 km (0.048 R)
• M20: 29,701,012 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.9

Radius: 6.2

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.79 AU - 5.87 AU

Year: 9717 Days

Day: 15.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,026,489 km

• M1: 86,916 km (0.114 R)
• M2: 327,769 km (0.079 R)
• M3: 600,037 km (0.079 R)
• M4: 841,338 km (0.077 R)
• M5: 1,332,917 km (0.101 R)
• M6: 1,841,999 km (0.099 R)
• M7: 2,167,075 km (0.105 R)
• M8: 2,607,042 km (0.052 R)
• M9: 2,932,268 km (0.115 R)
• M10: 3,590,648 km (0.119 R)
• M11: 3,813,699 km (0.108 R)
• M12: 4,712,483 km (0.07 R)
• M13: 5,711,647 km (0.073 R)
• M14: 6,190,509 km (0.108 R)
• M15: 7,953,221 km (0.078 R)
• M16: 8,376,583 km (0.112 R)
• M17: 8,593,799 km (0.119 R)
• M18: 10,123,438 km (0.091 R)
• M19: 11,610,291 km (0.058 R)
• M20: 12,659,720 km (0.113 R)
• M21: 12,888,605 km (0.107 R)
• M22: 17,073,455 km (0.049 R)
• M23: 17,992,734 km (0.107 R)
• M24: 19,775,492 km (0.106 R)
• M25: 20,161,305 km (0.104 R)
• M26: 20,788,868 km (0.109 R)
• M27: 22,918,543 km (0.032 R)
• M28: 24,652,682 km (0.082 R)
• M29: 33,545,228 km (0.095 R)
• M30: 34,872,012 km (0.066 R)
• M31: 37,866,063 km (0.066 R)
• M32: 42,288,326 km (0.072 R)
• M33: 42,799,951 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.7

Radius: 7.5

Gravity: 15.94 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 8.72 AU - 9.42 AU

Year: 18855 Days

Day: 23.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,026,489 km

• M1: 94,546 km (0.081 R)
• M2: 458,966 km (0.112 R)
• M3: 1,003,802 km (0.11 R)
• M4: 1,847,982 km (0.072 R)
• M5: 2,229,906 km (0.117 R)
• M6: 3,262,730 km (0.074 R)
• M7: 3,699,705 km (0.115 R)
• M8: 4,584,128 km (0.102 R)
• M9: 6,492,996 km (0.052 R)
• M10: 8,286,675 km (0.077 R)
• M11: 9,268,934 km (0.115 R)
• M12: 9,965,462 km (0.098 R)
• M13: 10,510,447 km (0.108 R)
• M14: 13,175,683 km (0.102 R)
• M15: 16,014,153 km (0.085 R)
• M16: 16,930,739 km (0.116 R)
• M17: 19,051,588 km (0.054 R)
• M18: 21,047,224 km (0.079 R)
• M19: 21,842,935 km (0.113 R)
• M20: 22,969,407 km (0.042 R)
• M21: 30,680,279 km (0.106 R)
• M22: 31,961,735 km (0.051 R)
• M23: 33,680,465 km (0.047 R)
• M24: 36,160,498 km (0.092 R)
• M25: 41,946,794 km (0.04 R)
• M26: 44,977,049 km (0.08 R)
• M27: 55,875,852 km (0.108 R)
• M28: 57,206,974 km (0.038 R)
• M29: 57,783,823 km (0.119 R)
• M30: 63,151,694 km (0.105 R)
• M31: 72,595,808 km (0.133 R)
• M32: 77,183,226 km (0.103 R)
• M33: 77,652,365 km (0.049 R)
• M34: 78,596,328 km (0.101 R)
• M35: 79,786,977 km (0.066 R)
• M36: 80,026,483 km (0.074 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 11,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit