🌌 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: 131

Radius: 12.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.42 AU - 0.64 AU

Year: 262 Days

Day: 10.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 77,333,460 km

• M1: 159,471 km (0.106 R)
• M2: 865,124 km (0.115 R)
• M3: 1,354,908 km (0.11 R)
• M4: 2,006,855 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.6

Radius: 8.8

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.57 AU - 0.79 AU

Year: 380 Days

Day: 6.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,333,460 km

• M1: 109,506 km (0.066 R)
• M2: 386,112 km (0.047 R)
• M3: 734,825 km (0.114 R)
• M4: 1,578,108 km (0.109 R)
• M5: 1,980,676 km (0.067 R)
• M6: 2,488,710 km (0.092 R)
• M7: 2,825,156 km (0.036 R)
• M8: 3,434,468 km (0.105 R)
• M9: 4,278,200 km (0.103 R)
• M10: 4,883,174 km (0.079 R)
• M11: 5,253,728 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.1

Radius: 10.3

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.67 AU - 1.11 AU

Year: 569 Days

Day: 8.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,333,460 km

• M1: 128,056 km (0.056 R)
• M2: 678,127 km (0.101 R)
• M3: 1,016,518 km (0.109 R)
• M4: 1,348,774 km (0.064 R)
• M5: 1,919,041 km (0.103 R)
• M6: 2,343,451 km (0.079 R)
• M7: 2,715,351 km (0.095 R)
• M8: 3,183,592 km (0.104 R)
• M9: 3,641,811 km (0.057 R)
• M10: 4,157,624 km (0.078 R)
• M11: 4,874,048 km (0.107 R)
• M12: 6,109,427 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.4

Radius: 14

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.8 AU - 1.1 AU

Year: 628 Days

Day: 6.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,333,460 km

• M1: 174,132 km (0.092 R)
• M2: 736,470 km (0.037 R)
• M3: 1,446,911 km (0.072 R)
• M4: 2,420,793 km (0.099 R)
• M5: 3,558,933 km (0.086 R)
• M6: 4,089,407 km (0.04 R)
• M7: 4,689,295 km (0.076 R)
• M8: 5,365,477 km (0.082 R)
• M9: 6,742,526 km (0.054 R)
• M10: 8,124,810 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.1

Radius: 11.3

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.24 AU - 3.2 AU

Year: 3043 Days

Day: 14.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,333,460 km

• M1: 140,472 km (0.039 R)
• M2: 499,507 km (0.099 R)
• M3: 1,116,599 km (0.084 R)
• M4: 1,545,645 km (0.119 R)
• M5: 2,038,271 km (0.074 R)
• M6: 2,485,120 km (0.098 R)
• M7: 3,682,651 km (0.117 R)
• M8: 4,611,654 km (0.095 R)
• M9: 5,320,897 km (0.064 R)
• M10: 5,905,526 km (0.099 R)
• M11: 6,403,537 km (0.105 R)
• M12: 7,427,534 km (0.115 R)
• M13: 7,890,091 km (0.116 R)
• M14: 8,969,290 km (0.118 R)
• M15: 10,004,956 km (0.113 R)
• M16: 10,462,426 km (0.041 R)
• M17: 10,823,705 km (0.098 R)
• M18: 11,268,160 km (0.099 R)
• M19: 12,233,665 km (0.066 R)
• M20: 13,337,249 km (0.076 R)
• M21: 15,322,562 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.4

Radius: 12.6

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.56 AU - 4.68 AU

Year: 5672 Days

Day: 6.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,333,460 km

• M1: 156,629 km (0.073 R)
• M2: 737,966 km (0.12 R)
• M3: 1,349,373 km (0.102 R)
• M4: 2,544,510 km (0.085 R)
• M5: 3,302,373 km (0.108 R)
• M6: 4,626,165 km (0.104 R)
• M7: 5,668,563 km (0.114 R)
• M8: 6,435,850 km (0.069 R)
• M9: 6,996,393 km (0.098 R)
• M10: 7,589,399 km (0.08 R)
• M11: 8,102,669 km (0.049 R)
• M12: 9,322,042 km (0.052 R)
• M13: 9,868,523 km (0.043 R)
• M14: 10,841,956 km (0.034 R)
• M15: 11,258,137 km (0.072 R)
• M16: 13,555,362 km (0.067 R)
• M17: 13,984,559 km (0.112 R)
• M18: 15,559,226 km (0.111 R)
• M19: 17,753,677 km (0.1 R)
• M20: 18,463,369 km (0.11 R)
• M21: 19,665,687 km (0.09 R)
• M22: 21,857,595 km (0.108 R)
• M23: 25,974,828 km (0.104 R)
• M24: 26,471,343 km (0.079 R)
• M25: 26,974,142 km (0.084 R)
• M26: 27,483,373 km (0.085 R)
• M27: 28,172,271 km (0.066 R)
• M28: 28,696,462 km (0.104 R)
• M29: 29,944,856 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591

Radius: 3.4

Gravity: 51.12 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 8.03 AU - 12.35 AU

Year: 22062 Days

Day: 18.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,333,460 km

• M1: 48,919 km (0.114 R)
• M2: 236,664 km (0.081 R)
• M3: 383,270 km (0.111 R)
• M4: 832,063 km (0.096 R)
• M5: 1,032,674 km (0.108 R)
• M6: 1,221,167 km (0.099 R)
• M7: 1,597,705 km (0.091 R)
• M8: 2,870,634 km (0.09 R)
• M9: 3,413,225 km (0.057 R)
• M10: 3,739,348 km (0.077 R)
• M11: 5,687,262 km (0.113 R)
• M12: 7,664,049 km (0.095 R)
• M13: 8,169,689 km (0.068 R)
• M14: 10,355,464 km (0.065 R)
• M15: 12,078,083 km (0.102 R)
• M16: 13,327,076 km (0.112 R)
• M17: 13,688,654 km (0.1 R)
• M18: 16,988,783 km (0.118 R)
• M19: 17,243,099 km (0.091 R)
• M20: 27,705,675 km (0.038 R)
• M21: 50,239,902 km (0.107 R)
• M22: 52,177,194 km (0.073 R)
• M23: 54,714,075 km (0.114 R)
• M24: 56,575,521 km (0.103 R)
• M25: 58,094,837 km (0.084 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: 540 - 10,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit