🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.9

Radius: 11.7

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.8 AU - 1.26 AU

Year: 709 Days

Day: 6.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,356,019 km

• M1: 145,559 km (0.028 R)
• M2: 577,149 km (0.115 R)
• M3: 962,662 km (0.098 R)
• M4: 1,345,334 km (0.066 R)
• M5: 1,823,000 km (0.06 R)
• M6: 2,402,691 km (0.1 R)
• M7: 2,879,310 km (0.083 R)
• M8: 3,418,611 km (0.041 R)
• M9: 4,257,855 km (0.11 R)
• M10: 4,925,211 km (0.057 R)
• M11: 5,451,945 km (0.042 R)
• M12: 5,817,113 km (0.093 R)
• M13: 6,219,083 km (0.091 R)
• M14: 6,791,444 km (0.104 R)
• M15: 7,375,624 km (0.09 R)
• M16: 7,751,563 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450

Radius: 9.1

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.92 AU - 1.16 AU

Year: 719 Days

Day: 8.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,356,019 km

• M1: 113,096 km (0.068 R)
• M2: 430,543 km (0.098 R)
• M3: 763,996 km (0.092 R)
• M4: 1,230,293 km (0.098 R)
• M5: 1,526,197 km (0.042 R)
• M6: 2,861,508 km (0.065 R)
• M7: 3,402,604 km (0.117 R)
• M8: 3,786,322 km (0.068 R)
• M9: 4,485,243 km (0.076 R)
• M10: 5,441,473 km (0.114 R)
• M11: 5,727,803 km (0.12 R)
• M12: 6,253,191 km (0.111 R)
• M13: 7,017,337 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.4

Radius: 10.1

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.86 AU - 1.24 AU

Year: 730 Days

Day: 7.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,356,019 km

• M1: 125,662 km (0.118 R)
• M2: 484,248 km (0.07 R)
• M3: 805,285 km (0.117 R)
• M4: 1,368,073 km (0.051 R)
• M5: 1,862,942 km (0.114 R)
• M6: 2,249,802 km (0.064 R)
• M7: 2,690,368 km (0.05 R)
• M8: 4,190,236 km (0.119 R)
• M9: 4,533,863 km (0.076 R)
• M10: 5,057,455 km (0.035 R)
• M11: 5,447,606 km (0.101 R)
• M12: 6,101,349 km (0.075 R)
• M13: 7,121,906 km (0.115 R)
• M14: 7,589,250 km (0.118 R)
• M15: 8,151,887 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.9

Radius: 12.5

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.87 AU - 1.31 AU

Year: 772 Days

Day: 10.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,356,019 km

• M1: 155,582 km (0.116 R)
• M2: 593,455 km (0.114 R)
• M3: 999,463 km (0.12 R)
• M4: 1,415,495 km (0.097 R)
• M5: 1,835,715 km (0.066 R)
• M6: 2,349,734 km (0.101 R)
• M7: 2,784,016 km (0.075 R)
• M8: 3,443,294 km (0.058 R)
• M9: 4,741,056 km (0.058 R)
• M10: 5,339,896 km (0.091 R)
• M11: 5,898,046 km (0.078 R)
• M12: 6,398,899 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.2

Radius: 12.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.32 AU - 1.68 AU

Year: 1246 Days

Day: 9.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,356,019 km

• M1: 157,975 km (0.025 R)
• M2: 879,187 km (0.104 R)
• M3: 1,309,281 km (0.056 R)
• M4: 1,722,470 km (0.112 R)
• M5: 2,404,487 km (0.062 R)
• M6: 3,926,047 km (0.054 R)
• M7: 5,020,205 km (0.063 R)
• M8: 6,633,768 km (0.107 R)
• M9: 7,040,225 km (0.059 R)
• M10: 9,162,421 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.5

Radius: 13.9

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.68 AU - 4.08 AU

Year: 5184 Days

Day: 7 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,356,019 km

• M1: 172,935 km (0.106 R)
• M2: 687,103 km (0.064 R)
• M3: 2,635,017 km (0.106 R)
• M4: 3,725,286 km (0.053 R)
• M5: 5,097,697 km (0.112 R)
• M6: 6,119,899 km (0.065 R)
• M7: 6,874,621 km (0.113 R)
• M8: 10,980,185 km (0.081 R)
• M9: 17,552,019 km (0.056 R)
• M10: 21,199,963 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.8

Radius: 13

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.27 AU - 4.79 AU

Year: 6539 Days

Day: 11.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,356,019 km

• M1: 161,715 km (0.074 R)
• M2: 639,830 km (0.03 R)
• M3: 2,486,167 km (0.072 R)
• M4: 3,015,295 km (0.079 R)
• M5: 3,552,052 km (0.075 R)
• M6: 4,676,280 km (0.109 R)
• M7: 6,596,069 km (0.105 R)
• M8: 7,847,156 km (0.074 R)
• M9: 9,154,193 km (0.082 R)
• M10: 10,815,178 km (0.088 R)
• M11: 13,525,293 km (0.057 R)
• M12: 14,594,469 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.2

Radius: 11.5

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.53 AU - 5.39 AU

Year: 7492 Days

Day: 8.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,356,019 km

• M1: 180,116 km (0.051 R)
• M2: 578,196 km (0.111 R)
• M3: 997,219 km (0.038 R)
• M4: 1,795,324 km (0.109 R)
• M5: 2,281,368 km (0.085 R)
• M6: 2,836,675 km (0.112 R)
• M7: 3,542,029 km (0.088 R)
• M8: 4,456,521 km (0.115 R)
• M9: 7,863,612 km (0.106 R)
• M10: 9,135,493 km (0.054 R)
• M11: 11,068,597 km (0.079 R)
• M12: 13,209,941 km (0.112 R)
• M13: 16,360,023 km (0.119 R)
• M14: 18,485,958 km (0.081 R)
• M15: 21,481,955 km (0.108 R)
• M16: 26,682,575 km (0.032 R)
• M17: 27,499,978 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.3

Radius: 4.5

Gravity: 19.32 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.3 AU - 9.74 AU

Year: 16867 Days

Day: 20.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,356,019 km

• M1: 56,249 km (0.1 R)
• M2: 238,459 km (0.09 R)
• M3: 412,441 km (0.037 R)
• M4: 1,022,801 km (0.043 R)
• M5: 1,226,852 km (0.091 R)
• M6: 1,457,682 km (0.062 R)
• M7: 2,347,789 km (0.102 R)
• M8: 2,861,807 km (0.11 R)
• M9: 3,499,393 km (0.116 R)
• M10: 3,851,696 km (0.092 R)
• M11: 5,152,151 km (0.047 R)
• M12: 5,571,773 km (0.086 R)
• M13: 7,093,482 km (0.063 R)
• M14: 8,296,249 km (0.101 R)
• M15: 8,485,341 km (0.088 R)
• M16: 9,169,751 km (0.105 R)
• M17: 13,801,152 km (0.12 R)
• M18: 14,133,558 km (0.083 R)
• M19: 14,883,941 km (0.113 R)
• M20: 17,293,963 km (0.109 R)
• M21: 22,228,748 km (0.107 R)
• M22: 24,189,676 km (0.077 R)
• M23: 25,658,728 km (0.084 R)
• M24: 27,186,421 km (0.087 R)
• M25: 31,439,937 km (0.095 R)
• M26: 34,753,381 km (0.109 R)
• M27: 35,492,544 km (0.075 R)
• M28: 42,202,906 km (0.092 R)
• M29: 43,896,204 km (0.066 R)
• M30: 46,520,001 km (0.1 R)
• M31: 49,866,655 km (0.117 R)
• M32: 55,015,664 km (0.09 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: 214 - 19,185 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit