🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.6

Radius: 9.3

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.52 AU - 0.68 AU

Year: 315 Days

Day: 6.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,272,309 km

• M1: 115,639 km (0.086 R)
• M2: 409,300 km (0.042 R)
• M3: 725,101 km (0.046 R)
• M4: 1,053,169 km (0.065 R)
• M5: 1,501,065 km (0.113 R)
• M6: 1,905,877 km (0.117 R)
• M7: 2,875,121 km (0.044 R)
• M8: 4,064,275 km (0.083 R)
• M9: 4,610,756 km (0.109 R)
• M10: 4,901,873 km (0.062 R)
• M11: 5,236,374 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.6

Radius: 13.6

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.6 AU - 0.74 AU

Year: 372 Days

Day: 9.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,272,309 km

• M1: 169,195 km (0.105 R)
• M2: 604,375 km (0.04 R)
• M3: 1,045,540 km (0.09 R)
• M4: 1,733,540 km (0.049 R)
• M5: 2,233,496 km (0.092 R)
• M6: 2,702,336 km (0.056 R)
• M7: 3,166,837 km (0.118 R)
• M8: 4,065,322 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.6

Radius: 9.1

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.77 AU - 0.79 AU

Year: 467 Days

Day: 11.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,272,309 km

• M1: 113,246 km (0.111 R)
• M2: 536,907 km (0.064 R)
• M3: 937,231 km (0.103 R)
• M4: 1,252,882 km (0.071 R)
• M5: 2,124,739 km (0.09 R)
• M6: 2,518,480 km (0.105 R)
• M7: 4,055,897 km (0.117 R)
• M8: 4,960,217 km (0.057 R)
• M9: 5,975,238 km (0.057 R)
• M10: 6,399,199 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.4

Radius: 13.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.8 AU - 0.82 AU

Year: 494 Days

Day: 9.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,272,309 km

• M1: 172,337 km (0.109 R)
• M2: 658,231 km (0.1 R)
• M3: 1,470,248 km (0.096 R)
• M4: 1,961,976 km (0.081 R)
• M5: 2,421,242 km (0.08 R)
• M6: 2,942,441 km (0.064 R)
• M7: 3,441,649 km (0.081 R)
• M8: 3,879,073 km (0.116 R)
• M9: 5,275,270 km (0.056 R)
• M10: 5,912,557 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.5

Radius: 13.3

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.53 AU - 2.73 AU

Year: 2893 Days

Day: 14.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,272,309 km

• M1: 165,455 km (0.081 R)
• M2: 872,455 km (0.073 R)
• M3: 1,390,961 km (0.102 R)
• M4: 2,204,624 km (0.117 R)
• M5: 2,631,576 km (0.081 R)
• M6: 4,260,248 km (0.114 R)
• M7: 4,953,485 km (0.119 R)
• M8: 6,239,578 km (0.056 R)
• M9: 7,135,370 km (0.118 R)
• M10: 8,083,222 km (0.046 R)
• M11: 10,266,603 km (0.106 R)
• M12: 11,273,396 km (0.079 R)
• M13: 13,801,600 km (0.115 R)
• M14: 14,452,949 km (0.07 R)
• M15: 15,867,846 km (0.104 R)
• M16: 16,376,479 km (0.116 R)
• M17: 19,256,687 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650

Radius: 5.8

Gravity: 19.32 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.86 AU - 6.96 AU

Year: 9745 Days

Day: 16.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,272,309 km

• M1: 82,129 km (0.084 R)
• M2: 279,748 km (0.034 R)
• M3: 1,530,685 km (0.091 R)
• M4: 2,175,303 km (0.071 R)
• M5: 2,529,401 km (0.058 R)
• M6: 3,052,844 km (0.077 R)
• M7: 3,399,911 km (0.038 R)
• M8: 4,036,749 km (0.094 R)
• M9: 5,345,730 km (0.087 R)
• M10: 6,422,985 km (0.076 R)
• M11: 9,044,687 km (0.119 R)
• M12: 16,338,631 km (0.05 R)
• M13: 17,760,558 km (0.09 R)
• M14: 22,604,238 km (0.08 R)
• M15: 26,122,780 km (0.071 R)
• M16: 29,989,736 km (0.106 R)
• M17: 30,197,826 km (0.11 R)
• M18: 30,511,533 km (0.057 R)
• M19: 34,906,120 km (0.118 R)
• M20: 41,353,788 km (0.072 R)
• M21: 43,445,914 km (0.102 R)
• M22: 44,517,933 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.1

Radius: 3.5

Gravity: 74.95 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.58 AU - 8.5 AU

Year: 14043 Days

Day: 24.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,272,309 km

• M1: 43,533 km (0.059 R)
• M2: 192,383 km (0.09 R)
• M3: 614,099 km (0.111 R)
• M4: 1,053,767 km (0.051 R)
• M5: 1,304,194 km (0.098 R)
• M6: 1,544,598 km (0.071 R)
• M7: 1,726,509 km (0.071 R)
• M8: 4,032,859 km (0.115 R)
• M9: 5,020,654 km (0.108 R)
• M10: 5,346,030 km (0.118 R)
• M11: 6,788,751 km (0.115 R)
• M12: 12,115,932 km (0.076 R)
• M13: 13,099,687 km (0.092 R)
• M14: 13,784,397 km (0.09 R)
• M15: 17,404,964 km (0.119 R)
• M16: 20,412,031 km (0.041 R)
• M17: 23,053,331 km (0.053 R)
• M18: 27,318,516 km (0.091 R)
• M19: 40,002,770 km (0.119 R)
• M20: 45,950,332 km (0.096 R)
• M21: 57,909,186 km (0.052 R)
• M22: 58,273,008 km (0.085 R)
• M23: 62,759,897 km (0.104 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 19,737 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit