🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.4

Radius: 11.3

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.06 AU - 1.1 AU

Year: 789 Days

Day: 13 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,042,122 km

• M1: 141,370 km (0.025 R)
• M2: 505,342 km (0.078 R)
• M3: 1,306,887 km (0.066 R)
• M4: 2,060,112 km (0.104 R)
• M5: 2,943,338 km (0.104 R)
• M6: 3,351,142 km (0.067 R)
• M7: 4,888,709 km (0.091 R)
• M8: 5,659,587 km (0.059 R)
• M9: 6,914,114 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.1

Radius: 8.2

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.59 AU - 1.99 AU

Year: 1683 Days

Day: 5.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,042,122 km

• M1: 102,923 km (0.069 R)
• M2: 379,530 km (0.107 R)
• M3: 652,097 km (0.051 R)
• M4: 1,002,455 km (0.12 R)
• M5: 1,384,079 km (0.093 R)
• M6: 1,684,322 km (0.105 R)
• M7: 2,670,920 km (0.092 R)
• M8: 3,025,617 km (0.052 R)
• M9: 3,568,807 km (0.109 R)
• M10: 3,931,731 km (0.051 R)
• M11: 4,559,893 km (0.116 R)
• M12: 4,927,903 km (0.077 R)
• M13: 5,273,923 km (0.112 R)
• M14: 5,856,906 km (0.109 R)
• M15: 6,897,958 km (0.057 R)
• M16: 7,515,498 km (0.118 R)
• M17: 8,452,579 km (0.084 R)
• M18: 10,033,529 km (0.081 R)
• M19: 10,691,012 km (0.076 R)
• M20: 11,237,493 km (0.106 R)
• M21: 11,552,995 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.6

Radius: 14.1

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.71 AU - 3.99 AU

Year: 4310 Days

Day: 6.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,042,122 km

• M1: 175,927 km (0.049 R)
• M2: 1,682,826 km (0.071 R)
• M3: 2,126,534 km (0.082 R)
• M4: 2,984,478 km (0.083 R)
• M5: 5,720,623 km (0.09 R)
• M6: 7,103,655 km (0.106 R)
• M7: 7,696,212 km (0.063 R)
• M8: 8,910,049 km (0.1 R)
• M9: 11,253,051 km (0.097 R)
• M10: 12,455,818 km (0.068 R)
• M11: 12,905,659 km (0.103 R)
• M12: 14,174,697 km (0.094 R)
• M13: 15,116,416 km (0.053 R)
• M14: 15,628,639 km (0.083 R)
• M15: 17,290,671 km (0.082 R)
• M16: 18,308,236 km (0.116 R)
• M17: 19,127,135 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.7

Radius: 11.3

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.46 AU - 5.32 AU

Year: 6466 Days

Day: 8 Hours

Environment

Temp: -227 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,042,122 km

• M1: 140,622 km (0.055 R)
• M2: 577,897 km (0.106 R)
• M3: 930,050 km (0.109 R)
• M4: 1,406,370 km (0.069 R)
• M5: 2,926,284 km (0.101 R)
• M6: 3,394,974 km (0.12 R)
• M7: 4,301,687 km (0.064 R)
• M8: 9,353,906 km (0.081 R)
• M9: 10,051,481 km (0.107 R)
• M10: 10,634,464 km (0.055 R)
• M11: 11,162,844 km (0.05 R)
• M12: 11,708,577 km (0.115 R)
• M13: 12,149,890 km (0.115 R)
• M14: 13,893,304 km (0.088 R)
• M15: 15,413,368 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.5

Radius: 14.5

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.52 AU - 5.68 AU

Year: 8096 Days

Day: 12.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,042,122 km

• M1: 180,415 km (0.086 R)
• M2: 831,465 km (0.11 R)
• M3: 1,585,289 km (0.064 R)
• M4: 2,176,499 km (0.099 R)
• M5: 3,663,951 km (0.091 R)
• M6: 4,179,316 km (0.117 R)
• M7: 6,342,800 km (0.078 R)
• M8: 6,822,411 km (0.105 R)
• M9: 11,745,078 km (0.074 R)
• M10: 14,702,628 km (0.062 R)
• M11: 18,719,032 km (0.048 R)
• M12: 27,560,565 km (0.08 R)
• M13: 28,544,321 km (0.093 R)
• M14: 31,211,352 km (0.095 R)
• M15: 31,742,723 km (0.053 R)
• M16: 35,980,382 km (0.08 R)
• M17: 43,813,776 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776.7

Radius: 7.7

Gravity: 13.1 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.89 AU - 8.33 AU

Year: 16235 Days

Day: 24 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,042,122 km

• M1: 95,892 km (0.086 R)
• M2: 388,954 km (0.074 R)
• M3: 1,060,799 km (0.101 R)
• M4: 1,760,019 km (0.097 R)
• M5: 2,013,737 km (0.056 R)
• M6: 2,551,092 km (0.036 R)
• M7: 3,180,301 km (0.086 R)
• M8: 6,171,361 km (0.102 R)
• M9: 9,028,082 km (0.1 R)
• M10: 9,458,475 km (0.082 R)
• M11: 9,790,133 km (0.069 R)
• M12: 10,535,580 km (0.115 R)
• M13: 12,334,045 km (0.109 R)
• M14: 12,730,180 km (0.091 R)
• M15: 20,554,897 km (0.069 R)
• M16: 23,141,444 km (0.112 R)
• M17: 24,668,240 km (0.09 R)
• M18: 25,509,579 km (0.115 R)
• M19: 25,829,868 km (0.095 R)
• M20: 29,182,505 km (0.054 R)
• M21: 29,533,013 km (0.085 R)
• M22: 34,477,672 km (0.078 R)
• M23: 36,196,551 km (0.081 R)
• M24: 36,601,213 km (0.059 R)
• M25: 57,727,874 km (0.076 R)
• M26: 58,280,189 km (0.119 R)
• M27: 60,714,595 km (0.111 R)
• M28: 65,186,375 km (0.102 R)
• M29: 67,400,573 km (0.075 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 15,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit