🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.3

Radius: 10.8

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.16 AU - 1.56 AU

Year: 1024 Days

Day: 12.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,046,395 km

• M1: 134,488 km (0.088 R)
• M2: 648,507 km (0.107 R)
• M3: 1,141,731 km (0.11 R)
• M4: 2,197,892 km (0.048 R)
• M5: 2,576,973 km (0.117 R)
• M6: 2,960,691 km (0.093 R)
• M7: 3,326,009 km (0.065 R)
• M8: 3,706,287 km (0.115 R)
• M9: 4,433,782 km (0.119 R)
• M10: 4,932,840 km (0.039 R)
• M11: 6,726,818 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.2

Radius: 9

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.38 AU - 1.4 AU

Year: 1058 Days

Day: 10.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,046,395 km

• M1: 111,899 km (0.112 R)
• M2: 424,409 km (0.119 R)
• M3: 958,922 km (0.118 R)
• M4: 1,249,890 km (0.102 R)
• M5: 1,880,445 km (0.048 R)
• M6: 2,203,726 km (0.034 R)
• M7: 2,540,621 km (0.113 R)
• M8: 3,083,661 km (0.071 R)
• M9: 3,521,683 km (0.1 R)
• M10: 4,197,567 km (0.074 R)
• M11: 4,646,659 km (0.105 R)
• M12: 4,957,524 km (0.107 R)
• M13: 5,499,667 km (0.07 R)
• M14: 5,868,724 km (0.075 R)
• M15: 6,188,864 km (0.103 R)
• M16: 6,656,806 km (0.083 R)
• M17: 7,220,192 km (0.058 R)
• M18: 8,933,985 km (0.094 R)
• M19: 9,649,063 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.4

Radius: 12.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.37 AU - 2.01 AU

Year: 1419 Days

Day: 12.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,046,395 km

• M1: 151,692 km (0.105 R)
• M2: 789,278 km (0.051 R)
• M3: 1,377,048 km (0.068 R)
• M4: 1,915,750 km (0.115 R)
• M5: 2,469,711 km (0.082 R)
• M6: 3,314,939 km (0.109 R)
• M7: 3,994,712 km (0.107 R)
• M8: 4,644,864 km (0.064 R)
• M9: 5,536,318 km (0.057 R)
• M10: 5,992,442 km (0.052 R)
• M11: 7,950,379 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.5

Radius: 11

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.78 AU - 2.6 AU

Year: 2093 Days

Day: 14.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,046,395 km

• M1: 136,882 km (0.058 R)
• M2: 540,048 km (0.086 R)
• M3: 1,670,709 km (0.069 R)
• M4: 2,017,477 km (0.086 R)
• M5: 2,479,136 km (0.116 R)
• M6: 3,292,799 km (0.081 R)
• M7: 4,124,264 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.9

Radius: 11.3

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.89 AU - 2.89 AU

Year: 2386 Days

Day: 5.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,046,395 km

• M1: 182,509 km (0.051 R)
• M2: 584,180 km (0.059 R)
• M3: 1,013,526 km (0.105 R)
• M4: 1,656,796 km (0.112 R)
• M5: 2,016,430 km (0.037 R)
• M6: 2,403,888 km (0.069 R)
• M7: 3,347,402 km (0.081 R)
• M8: 4,275,058 km (0.111 R)
• M9: 5,258,066 km (0.072 R)
• M10: 6,071,729 km (0.087 R)
• M11: 7,072,239 km (0.056 R)
• M12: 7,667,639 km (0.058 R)

Asteroid Belt

Center: 2.93 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.8

Radius: 14.1

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.91 AU - 4.01 AU

Year: 4156 Days

Day: 14.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,046,395 km

• M1: 175,329 km (0.072 R)
• M2: 648,357 km (0.091 R)
• M3: 1,290,132 km (0.066 R)
• M4: 1,936,694 km (0.076 R)
• M5: 2,375,315 km (0.119 R)
• M6: 2,898,608 km (0.116 R)
• M7: 3,419,658 km (0.084 R)
• M8: 4,273,263 km (0.111 R)
• M9: 7,164,092 km (0.069 R)
• M10: 9,054,411 km (0.073 R)
• M11: 10,601,253 km (0.086 R)
• M12: 11,392,775 km (0.104 R)
• M13: 13,799,506 km (0.075 R)
• M14: 14,371,419 km (0.082 R)
• M15: 15,451,814 km (0.119 R)
• M16: 16,877,781 km (0.082 R)
• M17: 22,243,259 km (0.076 R)
• M18: 22,885,931 km (0.091 R)
• M19: 23,836,177 km (0.097 R)
• M20: 25,503,894 km (0.048 R)
• M21: 26,287,188 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.5

Radius: 10.4

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.74 AU - 4.26 AU

Year: 4228 Days

Day: 6.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,046,395 km

• M1: 129,402 km (0.113 R)
• M2: 463,604 km (0.095 R)
• M3: 811,269 km (0.116 R)
• M4: 1,332,169 km (0.097 R)
• M5: 1,851,573 km (0.057 R)
• M6: 2,300,067 km (0.096 R)
• M7: 2,962,187 km (0.061 R)
• M8: 3,437,759 km (0.119 R)
• M9: 4,257,855 km (0.109 R)
• M10: 5,927,217 km (0.045 R)
• M11: 6,344,147 km (0.102 R)
• M12: 7,995,109 km (0.066 R)
• M13: 9,548,982 km (0.102 R)
• M14: 10,206,913 km (0.054 R)
• M15: 11,295,088 km (0.094 R)
• M16: 11,937,312 km (0.096 R)
• M17: 13,294,763 km (0.049 R)
• M18: 13,752,233 km (0.052 R)
• M19: 14,167,666 km (0.075 R)
• M20: 14,645,033 km (0.077 R)
• M21: 15,242,976 km (0.058 R)
• M22: 17,676,933 km (0.066 R)
• M23: 19,371,877 km (0.088 R)
• M24: 20,763,287 km (0.055 R)
• M25: 22,433,547 km (0.116 R)
• M26: 23,522,021 km (0.103 R)
• M27: 24,493,510 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.8

Radius: 7.2

Gravity: 10.57 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 9.35 AU - 11.89 AU

Year: 22346 Days

Day: 23.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,046,395 km

• M1: 276,457 km (0.09 R)
• M2: 844,480 km (0.073 R)
• M3: 1,220,270 km (0.071 R)
• M4: 1,551,629 km (0.048 R)
• M5: 2,019,721 km (0.119 R)
• M6: 2,745,420 km (0.063 R)
• M7: 2,996,595 km (0.072 R)
• M8: 3,633,433 km (0.049 R)
• M9: 5,676,940 km (0.107 R)
• M10: 7,011,054 km (0.049 R)
• M11: 9,414,194 km (0.114 R)
• M12: 11,786,218 km (0.058 R)
• M13: 13,286,385 km (0.08 R)
• M14: 14,156,147 km (0.118 R)
• M15: 16,414,327 km (0.047 R)
• M16: 19,172,912 km (0.068 R)
• M17: 25,478,462 km (0.102 R)
• M18: 30,003,798 km (0.083 R)
• M19: 33,829,165 km (0.096 R)
• M20: 37,539,192 km (0.065 R)
• M21: 39,565,794 km (0.097 R)
• M22: 40,906,341 km (0.036 R)
• M23: 45,431,826 km (0.1 R)
• M24: 56,764,164 km (0.105 R)
• M25: 59,429,250 km (0.092 R)
• M26: 63,178,023 km (0.063 R)
• M27: 63,784,044 km (0.03 R)
• M28: 71,360,877 km (0.08 R)
• M29: 75,591,505 km (0.066 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: 435 - 14,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit