🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.9

Radius: 13.7

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.6 AU - 0.94 AU

Year: 436 Days

Day: 7.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,240,327 km

• M1: 170,691 km (0.108 R)
• M2: 614,997 km (0.044 R)
• M3: 1,072,916 km (0.089 R)
• M4: 1,808,040 km (0.073 R)
• M5: 2,273,439 km (0.076 R)
• M6: 2,937,055 km (0.11 R)
• M7: 3,392,880 km (0.114 R)
• M8: 4,180,213 km (0.091 R)
• M9: 4,821,390 km (0.072 R)
• M10: 6,283,559 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.5

Radius: 10

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.81 AU - 2.47 AU

Year: 2021 Days

Day: 11.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,240,327 km

• M1: 124,914 km (0.09 R)
• M2: 691,441 km (0.085 R)
• M3: 1,252,882 km (0.035 R)
• M4: 1,732,343 km (0.095 R)
• M5: 3,821,478 km (0.12 R)
• M6: 4,602,229 km (0.076 R)
• M7: 5,420,679 km (0.114 R)
• M8: 8,757,459 km (0.11 R)
• M9: 9,978,627 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.7

Radius: 10.1

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.07 AU - 3.87 AU

Year: 4174 Days

Day: 8.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,240,327 km

• M1: 127,009 km (0.079 R)
• M2: 469,139 km (0.109 R)
• M3: 1,211,743 km (0.092 R)
• M4: 1,599,500 km (0.117 R)
• M5: 2,070,285 km (0.113 R)
• M6: 2,775,041 km (0.048 R)
• M7: 3,255,698 km (0.11 R)
• M8: 3,691,477 km (0.101 R)
• M9: 4,821,689 km (0.098 R)
• M10: 5,262,404 km (0.114 R)
• M11: 5,729,898 km (0.118 R)
• M12: 6,056,919 km (0.098 R)
• M13: 7,020,927 km (0.025 R)
• M14: 7,427,684 km (0.056 R)
• M15: 7,784,026 km (0.105 R)
• M16: 9,325,482 km (0.057 R)
• M17: 9,740,766 km (0.071 R)
• M18: 10,406,776 km (0.099 R)
• M19: 13,189,446 km (0.118 R)
• M20: 13,665,017 km (0.097 R)
• M21: 17,208,243 km (0.087 R)
• M22: 18,298,363 km (0.034 R)
• M23: 19,801,971 km (0.115 R)
• M24: 21,062,931 km (0.03 R)
• M25: 22,109,668 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.3

Radius: 11.5

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.3 AU - 4.84 AU

Year: 6308 Days

Day: 7.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,240,327 km

• M1: 143,016 km (0.056 R)
• M2: 540,946 km (0.111 R)
• M3: 1,348,625 km (0.081 R)
• M4: 2,115,463 km (0.118 R)
• M5: 3,326,309 km (0.101 R)
• M6: 4,263,988 km (0.075 R)
• M7: 5,618,447 km (0.109 R)
• M8: 6,206,965 km (0.067 R)
• M9: 7,092,285 km (0.106 R)
• M10: 9,379,039 km (0.12 R)
• M11: 10,689,965 km (0.066 R)
• M12: 11,802,823 km (0.108 R)
• M13: 12,769,525 km (0.116 R)
• M14: 14,982,676 km (0.066 R)
• M15: 15,479,340 km (0.048 R)
• M16: 17,304,883 km (0.078 R)
• M17: 19,197,147 km (0.087 R)
• M18: 20,080,971 km (0.097 R)
• M19: 20,838,086 km (0.09 R)
• M20: 23,721,884 km (0.067 R)
• M21: 25,172,086 km (0.102 R)
• M22: 25,874,597 km (0.066 R)
• M23: 26,770,988 km (0.111 R)
• M24: 27,595,422 km (0.099 R)
• M25: 30,268,885 km (0.088 R)
• M26: 31,063,399 km (0.115 R)
• M27: 34,703,564 km (0.059 R)
• M28: 35,904,087 km (0.107 R)
• M29: 38,387,711 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.6

Radius: 11.9

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.8 AU - 4.82 AU

Year: 6811 Days

Day: 6.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,240,327 km

• M1: 151,991 km (0.096 R)
• M2: 911,500 km (0.079 R)
• M3: 1,314,516 km (0.065 R)
• M4: 1,810,134 km (0.1 R)
• M5: 3,058,977 km (0.106 R)
• M6: 3,794,849 km (0.102 R)
• M7: 5,576,709 km (0.055 R)
• M8: 6,941,491 km (0.105 R)
• M9: 9,693,643 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.3

Radius: 8.8

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.08 AU - 5.12 AU

Year: 7437 Days

Day: 10.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,240,327 km

• M1: 124,615 km (0.118 R)
• M2: 399,426 km (0.114 R)
• M3: 704,905 km (0.086 R)
• M4: 1,366,876 km (0.103 R)
• M5: 1,713,644 km (0.048 R)
• M6: 3,440,601 km (0.098 R)
• M7: 3,943,998 km (0.07 R)
• M8: 5,973,144 km (0.071 R)
• M9: 7,598,824 km (0.104 R)
• M10: 8,135,431 km (0.104 R)
• M11: 9,500,362 km (0.065 R)
• M12: 14,331,476 km (0.096 R)
• M13: 15,938,905 km (0.099 R)
• M14: 17,334,803 km (0.054 R)
• M15: 18,879,550 km (0.042 R)
• M16: 19,437,700 km (0.054 R)
• M17: 22,628,324 km (0.088 R)
• M18: 23,657,856 km (0.104 R)
• M19: 26,066,232 km (0.117 R)
• M20: 27,374,017 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.8

Radius: 3.6

Gravity: 19.04 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7 AU - 10.94 AU

Year: 17346 Days

Day: 15.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,240,327 km

• M1: 48,470 km (0.105 R)
• M2: 235,168 km (0.101 R)
• M3: 398,379 km (0.064 R)
• M4: 1,812,677 km (0.112 R)
• M5: 2,030,043 km (0.086 R)
• M6: 2,154,060 km (0.072 R)
• M7: 3,264,674 km (0.05 R)
• M8: 3,612,041 km (0.104 R)
• M9: 3,768,221 km (0.094 R)
• M10: 4,833,208 km (0.065 R)
• M11: 5,553,671 km (0.107 R)
• M12: 7,204,334 km (0.109 R)
• M13: 8,964,952 km (0.076 R)
• M14: 9,397,289 km (0.1 R)
• M15: 10,046,095 km (0.104 R)
• M16: 19,261,474 km (0.12 R)
• M17: 20,716,313 km (0.077 R)
• M18: 21,811,370 km (0.08 R)
• M19: 31,554,679 km (0.065 R)
• M20: 32,552,048 km (0.079 R)
• M21: 36,268,209 km (0.069 R)
• M22: 39,233,837 km (0.069 R)
• M23: 48,360,055 km (0.093 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 16,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit