🌌 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: 406.3

Radius: 8.6

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.44 AU - 0.6 AU

Year: 259 Days

Day: 14 Hours

Environment

Temp: -143 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,091,914 km

• M1: 106,962 km (0.111 R)
• M2: 386,262 km (0.092 R)
• M3: 672,293 km (0.051 R)
• M4: 986,000 km (0.084 R)
• M5: 1,294,171 km (0.1 R)
• M6: 1,691,354 km (0.079 R)
• M7: 2,011,792 km (0.113 R)
• M8: 2,606,294 km (0.074 R)
• M9: 2,936,008 km (0.114 R)
• M10: 3,402,454 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.2

Radius: 11.1

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.5 AU - 4.28 AU

Year: 5296 Days

Day: 5.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,091,914 km

• M1: 138,079 km (0.092 R)
• M2: 518,656 km (0.102 R)
• M3: 951,891 km (0.114 R)
• M4: 2,032,137 km (0.087 R)
• M5: 2,697,399 km (0.118 R)
• M6: 3,350,992 km (0.076 R)
• M7: 4,009,821 km (0.118 R)
• M8: 4,487,039 km (0.079 R)
• M9: 5,406,317 km (0.068 R)
• M10: 6,053,777 km (0.116 R)
• M11: 6,446,621 km (0.116 R)
• M12: 6,856,370 km (0.117 R)
• M13: 9,517,566 km (0.116 R)
• M14: 11,126,192 km (0.108 R)
• M15: 11,717,253 km (0.114 R)
• M16: 13,896,445 km (0.1 R)
• M17: 16,839,933 km (0.118 R)
• M18: 18,085,635 km (0.111 R)
• M19: 19,251,301 km (0.067 R)
• M20: 20,759,547 km (0.089 R)
• M21: 21,884,074 km (0.096 R)
• M22: 24,418,262 km (0.07 R)
• M23: 26,270,134 km (0.067 R)
• M24: 30,536,815 km (0.11 R)
• M25: 32,684,143 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.1

Radius: 11.5

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.77 AU - 4.15 AU

Year: 5439 Days

Day: 14.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,091,914 km

• M1: 143,464 km (0.042 R)
• M2: 551,119 km (0.092 R)
• M3: 1,100,891 km (0.093 R)
• M4: 1,484,460 km (0.098 R)
• M5: 2,092,874 km (0.083 R)
• M6: 2,899,955 km (0.096 R)
• M7: 3,583,019 km (0.113 R)
• M8: 4,525,336 km (0.089 R)
• M9: 4,956,925 km (0.111 R)
• M10: 6,222,823 km (0.061 R)
• M11: 6,757,934 km (0.069 R)
• M12: 7,251,158 km (0.062 R)
• M13: 11,903,503 km (0.101 R)
• M14: 12,888,904 km (0.104 R)
• M15: 14,324,295 km (0.072 R)
• M16: 14,962,629 km (0.088 R)
• M17: 18,578,859 km (0.078 R)
• M18: 19,408,379 km (0.079 R)
• M19: 28,652,779 km (0.071 R)
• M20: 30,608,622 km (0.05 R)
• M21: 32,157,409 km (0.092 R)
• M22: 33,151,636 km (0.115 R)
• M23: 33,656,230 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.6

Radius: 14.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.97 AU - 5.71 AU

Year: 7350 Days

Day: 5.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,091,914 km

• M1: 181,612 km (0.052 R)
• M2: 1,235,080 km (0.061 R)
• M3: 2,172,610 km (0.044 R)
• M4: 2,868,240 km (0.113 R)
• M5: 3,858,578 km (0.1 R)
• M6: 4,581,285 km (0.093 R)
• M7: 5,089,320 km (0.066 R)
• M8: 5,909,714 km (0.072 R)
• M9: 7,072,090 km (0.114 R)
• M10: 8,381,819 km (0.106 R)
• M11: 9,598,199 km (0.091 R)
• M12: 11,679,704 km (0.078 R)
• M13: 13,021,148 km (0.098 R)
• M14: 16,463,545 km (0.081 R)
• M15: 18,312,126 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.9

Radius: 9.6

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.21 AU - 5.33 AU

Year: 8351 Days

Day: 13.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,091,914 km

• M1: 119,529 km (0.106 R)
• M2: 478,414 km (0.117 R)
• M3: 883,525 km (0.096 R)
• M4: 1,182,721 km (0.086 R)
• M5: 2,281,517 km (0.11 R)
• M6: 2,698,446 km (0.064 R)
• M7: 3,979,004 km (0.043 R)
• M8: 4,484,944 km (0.106 R)
• M9: 5,197,928 km (0.093 R)
• M10: 5,954,294 km (0.096 R)
• M11: 7,293,495 km (0.117 R)
• M12: 13,914,098 km (0.026 R)
• M13: 23,171,962 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.3

Radius: 12.6

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.3 AU - 6.36 AU

Year: 8494 Days

Day: 10 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,091,914 km

• M1: 156,629 km (0.058 R)
• M2: 724,502 km (0.069 R)
• M3: 2,296,178 km (0.06 R)
• M4: 4,554,507 km (0.078 R)
• M5: 10,127,776 km (0.1 R)
• M6: 16,296,294 km (0.066 R)
• M7: 17,702,963 km (0.078 R)
• M8: 19,342,257 km (0.107 R)
• M9: 21,162,115 km (0.101 R)
• M10: 24,504,430 km (0.048 R)
• M11: 30,103,430 km (0.088 R)
• M12: 31,359,753 km (0.09 R)
• M13: 34,880,688 km (0.108 R)
• M14: 42,177,923 km (0.082 R)
• M15: 44,819,971 km (0.102 R)
• M16: 45,633,634 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.3

Radius: 6.8

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.48 AU - 6 AU

Year: 9492 Days

Day: 21.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,091,914 km

• M1: 84,972 km (0.038 R)
• M2: 306,227 km (0.11 R)
• M3: 568,472 km (0.093 R)
• M4: 956,080 km (0.067 R)
• M5: 1,522,158 km (0.12 R)
• M6: 1,745,209 km (0.088 R)
• M7: 3,514,353 km (0.084 R)
• M8: 4,810,768 km (0.092 R)
• M9: 5,415,293 km (0.092 R)
• M10: 5,658,390 km (0.082 R)
• M11: 6,636,162 km (0.097 R)
• M12: 7,310,998 km (0.073 R)
• M13: 8,387,504 km (0.108 R)
• M14: 9,261,604 km (0.067 R)
• M15: 10,057,764 km (0.099 R)
• M16: 10,286,948 km (0.106 R)
• M17: 10,708,066 km (0.064 R)
• M18: 11,634,825 km (0.119 R)
• M19: 15,757,293 km (0.093 R)
• M20: 16,825,422 km (0.099 R)
• M21: 17,807,383 km (0.095 R)
• M22: 18,482,967 km (0.073 R)
• M23: 30,004,247 km (0.113 R)
• M24: 34,258,511 km (0.105 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 14,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit