🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.9

Radius: 14.6

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.39 AU - 0.63 AU

Year: 247 Days

Day: 5.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 56,181,258 km

• M1: 181,612 km (0.04 R)
• M2: 653,294 km (0.097 R)
• M3: 1,127,669 km (0.108 R)
• M4: 1,905,877 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.5

Radius: 14.1

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.47 AU - 0.61 AU

Year: 269 Days

Day: 10.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,181,258 km

• M1: 179,218 km (0.11 R)
• M2: 750,682 km (0.102 R)
• M3: 1,203,216 km (0.073 R)
• M4: 2,652,071 km (0.116 R)
• M5: 3,467,529 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.4

Radius: 14.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.06 AU - 1.16 AU

Year: 793 Days

Day: 8.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,181,258 km

• M1: 176,675 km (0.075 R)
• M2: 724,951 km (0.087 R)
• M3: 1,252,433 km (0.066 R)
• M4: 1,768,995 km (0.102 R)
• M5: 2,375,165 km (0.051 R)
• M6: 2,866,894 km (0.11 R)
• M7: 3,581,523 km (0.085 R)
• M8: 4,580,088 km (0.075 R)
• M9: 5,127,018 km (0.082 R)
• M10: 5,776,871 km (0.092 R)
• M11: 6,677,301 km (0.063 R)
• M12: 7,962,945 km (0.07 R)
• M13: 8,599,484 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.8

Radius: 14.4

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.31 AU - 1.49 AU

Year: 1124 Days

Day: 5.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,181,258 km

• M1: 179,667 km (0.114 R)
• M2: 933,042 km (0.112 R)
• M3: 1,387,520 km (0.119 R)
• M4: 1,870,123 km (0.115 R)
• M5: 2,398,054 km (0.077 R)
• M6: 3,106,699 km (0.092 R)
• M7: 3,654,377 km (0.115 R)
• M8: 5,156,190 km (0.106 R)
• M9: 5,950,405 km (0.056 R)
• M10: 6,478,635 km (0.042 R)
• M11: 8,885,964 km (0.071 R)
• M12: 10,973,752 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.5

Radius: 12.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.5 AU - 3.94 AU

Year: 3919 Days

Day: 14.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,181,258 km

• M1: 157,078 km (0.096 R)
• M2: 585,077 km (0.095 R)
• M3: 993,330 km (0.066 R)
• M4: 1,460,674 km (0.067 R)
• M5: 1,939,985 km (0.099 R)
• M6: 3,329,450 km (0.063 R)
• M7: 3,870,695 km (0.066 R)
• M8: 4,383,966 km (0.06 R)
• M9: 5,227,099 km (0.089 R)
• M10: 5,700,576 km (0.073 R)
• M11: 6,676,852 km (0.119 R)
• M12: 7,729,872 km (0.087 R)
• M13: 8,480,105 km (0.113 R)
• M14: 8,925,308 km (0.104 R)
• M15: 9,567,532 km (0.103 R)
• M16: 13,297,755 km (0.095 R)
• M17: 14,763,515 km (0.064 R)
• M18: 15,816,085 km (0.106 R)
• M19: 16,598,033 km (0.115 R)
• M20: 18,239,272 km (0.027 R)
• M21: 19,866,298 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.1

Radius: 11.5

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.96 AU - 4.16 AU

Year: 4556 Days

Day: 12.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,181,258 km

• M1: 145,708 km (0.117 R)
• M2: 690,993 km (0.068 R)
• M3: 1,705,865 km (0.102 R)
• M4: 2,237,835 km (0.063 R)
• M5: 5,499,367 km (0.027 R)
• M6: 7,479,445 km (0.084 R)
• M7: 9,218,969 km (0.093 R)
• M8: 11,169,725 km (0.11 R)
• M9: 13,431,645 km (0.042 R)
• M10: 19,737,045 km (0.116 R)
• M11: 21,887,515 km (0.084 R)
• M12: 25,553,411 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.7

Radius: 5.3

Gravity: 29.29 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 6.05 AU - 7.21 AU

Year: 11579 Days

Day: 23.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 56,181,258 km

• M1: 73,303 km (0.073 R)
• M2: 244,144 km (0.089 R)
• M3: 456,872 km (0.087 R)
• M4: 832,063 km (0.12 R)
• M5: 1,018,462 km (0.08 R)
• M6: 1,550,881 km (0.119 R)
• M7: 2,028,098 km (0.11 R)
• M8: 2,430,816 km (0.058 R)
• M9: 3,169,380 km (0.057 R)
• M10: 3,990,374 km (0.063 R)
• M11: 4,558,696 km (0.057 R)
• M12: 6,954,805 km (0.045 R)
• M13: 8,707,194 km (0.045 R)
• M14: 9,920,732 km (0.096 R)
• M15: 10,733,946 km (0.058 R)
• M16: 11,071,439 km (0.106 R)
• M17: 13,375,097 km (0.115 R)
• M18: 13,897,941 km (0.069 R)
• M19: 15,979,895 km (0.099 R)
• M20: 16,198,906 km (0.109 R)
• M21: 16,419,862 km (0.101 R)
• M22: 17,247,438 km (0.025 R)
• M23: 17,555,161 km (0.095 R)
• M24: 17,788,384 km (0.104 R)
• M25: 18,102,390 km (0.119 R)
• M26: 21,185,901 km (0.06 R)
• M27: 21,985,501 km (0.093 R)
• M28: 25,684,458 km (0.099 R)
• M29: 26,900,988 km (0.068 R)
• M30: 29,998,562 km (0.093 R)
• M31: 32,618,021 km (0.12 R)
• M32: 33,444,698 km (0.092 R)
• M33: 34,284,990 km (0.114 R)
• M34: 39,094,561 km (0.093 R)
• M35: 46,674,386 km (0.1 R)
• M36: 47,122,132 km (0.104 R)
• M37: 48,026,003 km (0.092 R)
• M38: 48,329,836 km (0.092 R)
• M39: 49,403,500 km (0.111 R)
• M40: 55,677,784 km (0.1 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: 206 - 14,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit