🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38

Radius: 9.5

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.8 AU - 0.96 AU

Year: 525 Days

Day: 11.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 41,176,292 km

• M1: 118,182 km (0.099 R)
• M2: 780,302 km (0.116 R)
• M3: 1,337,255 km (0.093 R)
• M4: 1,900,192 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.9

Radius: 9.2

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.43 AU - 2.95 AU

Year: 2805 Days

Day: 8.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,176,292 km

• M1: 117,434 km (0.045 R)
• M2: 496,216 km (0.096 R)
• M3: 1,067,830 km (0.095 R)
• M4: 1,540,409 km (0.091 R)
• M5: 1,855,163 km (0.111 R)
• M6: 2,199,837 km (0.088 R)
• M7: 2,955,456 km (0.043 R)
• M8: 3,500,740 km (0.039 R)
• M9: 4,636,786 km (0.095 R)
• M10: 5,112,058 km (0.107 R)
• M11: 5,898,644 km (0.078 R)
• M12: 6,429,716 km (0.058 R)
• M13: 6,992,504 km (0.12 R)
• M14: 7,679,756 km (0.109 R)
• M15: 8,119,724 km (0.049 R)
• M16: 8,477,113 km (0.103 R)
• M17: 9,050,222 km (0.091 R)
• M18: 9,505,748 km (0.099 R)
• M19: 10,013,184 km (0.093 R)
• M20: 11,241,233 km (0.064 R)
• M21: 12,310,708 km (0.107 R)
• M22: 13,581,991 km (0.097 R)
• M23: 13,993,834 km (0.07 R)
• M24: 14,413,904 km (0.088 R)
• M25: 15,132,722 km (0.082 R)
• M26: 17,756,220 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.8

Radius: 12.2

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.73 AU - 5.13 AU

Year: 5928 Days

Day: 7.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,176,292 km

• M1: 154,535 km (0.066 R)
• M2: 789,877 km (0.105 R)
• M3: 1,840,353 km (0.108 R)
• M4: 2,607,491 km (0.073 R)
• M5: 3,085,905 km (0.051 R)
• M6: 3,645,401 km (0.1 R)
• M7: 5,405,121 km (0.109 R)
• M8: 6,354,469 km (0.09 R)
• M9: 8,179,264 km (0.1 R)
• M10: 8,582,579 km (0.065 R)
• M11: 9,169,601 km (0.116 R)
• M12: 9,873,011 km (0.104 R)
• M13: 11,141,601 km (0.09 R)
• M14: 13,107,167 km (0.085 R)
• M15: 13,548,780 km (0.118 R)
• M16: 14,287,644 km (0.097 R)
• M17: 15,354,875 km (0.119 R)
• M18: 16,538,194 km (0.091 R)
• M19: 22,743,813 km (0.068 R)
• M20: 27,648,230 km (0.12 R)
• M21: 30,250,485 km (0.054 R)
• M22: 34,978,974 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.4

Radius: 12.4

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.35 AU - 5.09 AU

Year: 6520 Days

Day: 5.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,176,292 km

• M1: 154,235 km (0.095 R)
• M2: 568,921 km (0.083 R)
• M3: 1,133,952 km (0.112 R)
• M4: 1,930,261 km (0.105 R)
• M5: 2,892,924 km (0.097 R)
• M6: 4,202,653 km (0.062 R)
• M7: 5,563,994 km (0.07 R)
• M8: 7,347,200 km (0.105 R)
• M9: 9,975,784 km (0.069 R)
• M10: 10,672,611 km (0.103 R)
• M11: 11,106,146 km (0.047 R)
• M12: 11,702,443 km (0.114 R)
• M13: 13,342,335 km (0.097 R)
• M14: 15,130,478 km (0.114 R)
• M15: 16,620,922 km (0.098 R)
• M16: 19,177,699 km (0.033 R)
• M17: 20,328,855 km (0.031 R)
• M18: 23,813,438 km (0.081 R)
• M19: 26,085,381 km (0.071 R)
• M20: 34,177,728 km (0.113 R)
• M21: 34,699,974 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521

Radius: 9.1

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.82 AU - 5.86 AU

Year: 6770 Days

Day: 5.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,176,292 km

• M1: 113,246 km (0.108 R)
• M2: 438,023 km (0.064 R)
• M3: 851,212 km (0.077 R)
• M4: 2,017,028 km (0.117 R)
• M5: 3,197,505 km (0.078 R)
• M6: 3,493,709 km (0.099 R)
• M7: 3,972,721 km (0.103 R)
• M8: 4,840,688 km (0.098 R)
• M9: 6,081,153 km (0.111 R)
• M10: 7,558,582 km (0.109 R)
• M11: 7,895,776 km (0.103 R)
• M12: 8,803,685 km (0.1 R)
• M13: 9,389,361 km (0.086 R)
• M14: 10,000,767 km (0.095 R)
• M15: 10,499,527 km (0.053 R)
• M16: 11,844,411 km (0.063 R)
• M17: 12,610,353 km (0.103 R)
• M18: 17,198,818 km (0.073 R)
• M19: 18,651,264 km (0.091 R)
• M20: 20,471,122 km (0.093 R)
• M21: 22,792,133 km (0.081 R)
• M22: 23,576,774 km (0.058 R)
• M23: 24,460,598 km (0.059 R)
• M24: 27,419,794 km (0.072 R)
• M25: 28,128,289 km (0.094 R)
• M26: 30,799,060 km (0.105 R)
• M27: 32,934,719 km (0.085 R)
• M28: 33,333,398 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.5

Radius: 3

Gravity: 46.83 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.19 AU - 7.49 AU

Year: 10150 Days

Day: 23.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 41,176,292 km

• M1: 37,250 km (0.06 R)
• M2: 254,017 km (0.119 R)
• M3: 361,578 km (0.075 R)
• M4: 649,704 km (0.096 R)
• M5: 979,716 km (0.1 R)
• M6: 1,093,411 km (0.076 R)
• M7: 1,262,905 km (0.075 R)
• M8: 2,087,489 km (0.117 R)
• M9: 2,241,574 km (0.101 R)
• M10: 2,385,039 km (0.108 R)
• M11: 2,611,380 km (0.075 R)
• M12: 3,085,157 km (0.1 R)
• M13: 3,989,626 km (0.091 R)
• M14: 4,173,631 km (0.055 R)
• M15: 5,057,306 km (0.116 R)
• M16: 5,526,594 km (0.027 R)
• M17: 5,821,751 km (0.051 R)
• M18: 8,615,940 km (0.034 R)
• M19: 10,275,130 km (0.057 R)
• M20: 10,821,611 km (0.087 R)
• M21: 10,974,051 km (0.115 R)
• M22: 11,650,832 km (0.025 R)
• M23: 14,823,653 km (0.094 R)
• M24: 15,201,238 km (0.092 R)
• M25: 15,585,106 km (0.081 R)
• M26: 19,861,810 km (0.086 R)
• M27: 20,090,246 km (0.074 R)
• M28: 20,397,520 km (0.093 R)
• M29: 21,179,618 km (0.115 R)
• M30: 22,389,715 km (0.101 R)
• M31: 34,865,130 km (0.119 R)
• M32: 36,662,399 km (0.084 R)
• M33: 36,891,284 km (0.103 R)
• M34: 38,167,354 km (0.116 R)
• M35: 38,638,587 km (0.038 R)
• M36: 39,833,575 km (0.104 R)
• M37: 40,562,266 km (0.081 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 17,685 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit