🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.6

Radius: 11.2

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.5 AU - 1.6 AU

Year: 1246 Days

Day: 5.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,583,144 km

• M1: 140,024 km (0.09 R)
• M2: 509,530 km (0.107 R)
• M3: 963,859 km (0.102 R)
• M4: 1,424,471 km (0.104 R)
• M5: 2,115,164 km (0.074 R)
• M6: 2,587,146 km (0.089 R)
• M7: 3,841,823 km (0.11 R)
• M8: 4,734,623 km (0.115 R)
• M9: 5,321,495 km (0.113 R)
• M10: 6,783,815 km (0.064 R)
• M11: 7,250,710 km (0.104 R)
• M12: 7,738,847 km (0.077 R)
• M13: 8,470,381 km (0.093 R)
• M14: 9,852,965 km (0.08 R)
• M15: 10,420,539 km (0.109 R)
• M16: 11,517,690 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.6

Radius: 12.1

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.4 AU - 2.32 AU

Year: 1638 Days

Day: 5.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,583,144 km

• M1: 150,645 km (0.099 R)
• M2: 531,222 km (0.105 R)
• M3: 1,095,954 km (0.118 R)
• M4: 1,941,332 km (0.089 R)
• M5: 3,242,085 km (0.091 R)
• M6: 4,913,692 km (0.119 R)
• M7: 6,018,921 km (0.103 R)
• M8: 6,446,322 km (0.087 R)
• M9: 7,073,885 km (0.045 R)
• M10: 7,604,808 km (0.113 R)
• M11: 8,305,823 km (0.074 R)
• M12: 8,746,838 km (0.1 R)
• M13: 9,327,876 km (0.11 R)
• M14: 9,740,168 km (0.107 R)
• M15: 12,211,225 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.4

Radius: 11.7

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.95 AU - 2.19 AU

Year: 1923 Days

Day: 9.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,583,144 km

• M1: 145,858 km (0.103 R)
• M2: 603,328 km (0.069 R)
• M3: 1,297,612 km (0.118 R)
• M4: 1,766,601 km (0.116 R)
• M5: 2,348,088 km (0.047 R)
• M6: 2,747,664 km (0.095 R)
• M7: 3,566,563 km (0.069 R)
• M8: 5,167,709 km (0.098 R)
• M9: 5,779,714 km (0.06 R)
• M10: 6,515,885 km (0.054 R)
• M11: 7,013,747 km (0.031 R)
• M12: 8,294,903 km (0.064 R)
• M13: 8,661,567 km (0.079 R)
• M14: 9,039,003 km (0.047 R)
• M15: 10,099,951 km (0.065 R)
• M16: 10,483,220 km (0.078 R)
• M17: 11,578,127 km (0.111 R)
• M18: 12,349,603 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.6

Radius: 13.5

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.94 AU - 2.84 AU

Year: 2386 Days

Day: 10.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,583,144 km

• M1: 168,447 km (0.095 R)
• M2: 592,108 km (0.073 R)
• M3: 1,177,036 km (0.114 R)
• M4: 1,902,586 km (0.106 R)
• M5: 2,359,906 km (0.054 R)
• M6: 2,922,544 km (0.113 R)
• M7: 4,104,816 km (0.082 R)
• M8: 4,731,930 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.7

Radius: 12.3

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.82 AU - 5.04 AU

Year: 6020 Days

Day: 13.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,583,144 km

• M1: 153,039 km (0.1 R)
• M2: 557,551 km (0.113 R)
• M3: 1,469,949 km (0.045 R)
• M4: 1,995,935 km (0.105 R)
• M5: 2,701,738 km (0.071 R)
• M6: 3,567,909 km (0.068 R)
• M7: 3,992,318 km (0.054 R)
• M8: 4,831,263 km (0.057 R)
• M9: 6,440,787 km (0.032 R)
• M10: 7,183,241 km (0.04 R)
• M11: 8,261,094 km (0.081 R)
• M12: 10,215,291 km (0.056 R)
• M13: 11,275,341 km (0.083 R)
• M14: 11,935,367 km (0.096 R)
• M15: 12,620,974 km (0.044 R)
• M16: 13,277,110 km (0.116 R)
• M17: 15,321,365 km (0.094 R)
• M18: 17,634,597 km (0.065 R)
• M19: 19,444,133 km (0.099 R)
• M20: 22,228,299 km (0.043 R)
• M21: 36,911,928 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102

Radius: 9

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.83 AU - 4.91 AU

Year: 6939 Days

Day: 14.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,583,144 km

• M1: 112,198 km (0.104 R)
• M2: 804,238 km (0.094 R)
• M3: 1,600,099 km (0.088 R)
• M4: 2,484,521 km (0.086 R)
• M5: 4,606,418 km (0.029 R)
• M6: 5,804,697 km (0.12 R)
• M7: 6,560,465 km (0.066 R)
• M8: 7,720,447 km (0.095 R)
• M9: 9,364,827 km (0.06 R)
• M10: 9,763,954 km (0.084 R)
• M11: 10,326,442 km (0.106 R)
• M12: 11,029,701 km (0.12 R)
• M13: 11,932,225 km (0.108 R)
• M14: 13,422,819 km (0.03 R)
• M15: 13,744,454 km (0.067 R)
• M16: 14,837,715 km (0.099 R)
• M17: 15,581,366 km (0.081 R)
• M18: 16,716,515 km (0.073 R)
• M19: 17,196,574 km (0.098 R)
• M20: 18,016,969 km (0.12 R)
• M21: 19,441,889 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.2

Radius: 8.5

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.49 AU - 6.51 AU

Year: 8328 Days

Day: 7.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,583,144 km

• M1: 109,057 km (0.112 R)
• M2: 828,323 km (0.057 R)
• M3: 1,101,489 km (0.105 R)
• M4: 1,416,243 km (0.103 R)
• M5: 2,650,126 km (0.094 R)
• M6: 3,137,067 km (0.079 R)
• M7: 3,644,354 km (0.107 R)
• M8: 4,962,461 km (0.072 R)
• M9: 5,524,201 km (0.117 R)
• M10: 6,920,846 km (0.108 R)
• M11: 8,104,614 km (0.063 R)
• M12: 9,094,803 km (0.115 R)
• M13: 9,454,286 km (0.077 R)
• M14: 10,125,382 km (0.108 R)
• M15: 11,109,587 km (0.085 R)
• M16: 13,777,066 km (0.105 R)
• M17: 17,113,996 km (0.088 R)
• M18: 17,773,723 km (0.029 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: 454 - 12,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit