🌌 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: 919.6

Radius: 13.4

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.54 AU - 0.66 AU

Year: 321 Days

Day: 10.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,750,012 km

• M1: 166,802 km (0.091 R)
• M2: 607,218 km (0.084 R)
• M3: 1,089,671 km (0.05 R)
• M4: 1,807,292 km (0.091 R)
• M5: 2,245,464 km (0.052 R)
• M6: 2,687,675 km (0.11 R)
• M7: 3,113,281 km (0.092 R)
• M8: 3,548,910 km (0.12 R)
• M9: 4,089,856 km (0.12 R)
• M10: 5,139,584 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.3

Radius: 8.7

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.9 AU - 1 AU

Year: 639 Days

Day: 5.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,750,012 km

• M1: 108,159 km (0.103 R)
• M2: 487,390 km (0.09 R)
• M3: 768,484 km (0.077 R)
• M4: 1,100,891 km (0.056 R)
• M5: 1,407,716 km (0.089 R)
• M6: 1,939,836 km (0.093 R)
• M7: 2,374,567 km (0.083 R)
• M8: 3,282,776 km (0.107 R)
• M9: 3,577,184 km (0.076 R)
• M10: 5,576,859 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.7

Radius: 8.9

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.56 AU - 2.06 AU

Year: 1681 Days

Day: 5.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,750,012 km

• M1: 117,883 km (0.062 R)
• M2: 470,635 km (0.091 R)
• M3: 1,500,317 km (0.113 R)
• M4: 2,019,122 km (0.055 R)
• M5: 2,567,399 km (0.064 R)
• M6: 3,504,031 km (0.067 R)
• M7: 3,926,944 km (0.059 R)
• M8: 4,913,542 km (0.117 R)
• M9: 5,243,555 km (0.084 R)
• M10: 6,145,032 km (0.106 R)
• M11: 8,012,013 km (0.107 R)
• M12: 8,525,433 km (0.115 R)
• M13: 8,974,675 km (0.103 R)
• M14: 9,321,892 km (0.045 R)
• M15: 9,951,101 km (0.116 R)
• M16: 10,512,691 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800

Radius: 8.5

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.79 AU - 3.13 AU

Year: 3515 Days

Day: 13.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 18,750,012 km

• M1: 105,766 km (0.097 R)
• M2: 496,964 km (0.116 R)
• M3: 1,098,497 km (0.058 R)
• M4: 1,534,425 km (0.045 R)
• M5: 1,895,106 km (0.055 R)
• M6: 2,238,433 km (0.045 R)
• M7: 2,772,049 km (0.113 R)
• M8: 3,160,704 km (0.12 R)
• M9: 3,811,903 km (0.083 R)
• M10: 5,326,432 km (0.114 R)
• M11: 5,677,389 km (0.102 R)
• M12: 6,159,543 km (0.108 R)
• M13: 6,730,558 km (0.056 R)
• M14: 7,205,830 km (0.058 R)
• M15: 9,104,377 km (0.091 R)
• M16: 9,646,519 km (0.108 R)
• M17: 10,541,564 km (0.088 R)
• M18: 12,828,317 km (0.071 R)
• M19: 13,214,878 km (0.034 R)
• M20: 13,609,068 km (0.085 R)
• M21: 15,318,822 km (0.076 R)
• M22: 16,478,654 km (0.062 R)
• M23: 19,664,790 km (0.086 R)
• M24: 20,178,958 km (0.098 R)
• M25: 22,955,644 km (0.101 R)
• M26: 23,239,431 km (0.086 R)
• M27: 23,525,612 km (0.078 R)
• M28: 24,768,321 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.8

Radius: 11.4

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.71 AU - 3.95 AU

Year: 4194 Days

Day: 11.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 18,750,012 km

• M1: 141,968 km (0.101 R)
• M2: 524,789 km (0.079 R)
• M3: 969,394 km (0.095 R)
• M4: 1,390,811 km (0.072 R)
• M5: 1,781,112 km (0.074 R)
• M6: 2,573,831 km (0.109 R)
• M7: 3,188,828 km (0.074 R)
• M8: 3,800,235 km (0.103 R)
• M9: 4,228,982 km (0.047 R)
• M10: 5,282,600 km (0.066 R)
• M11: 5,871,417 km (0.119 R)
• M12: 7,457,603 km (0.038 R)
• M13: 8,883,870 km (0.08 R)
• M14: 10,682,186 km (0.07 R)
• M15: 17,743,355 km (0.079 R)
• M16: 18,138,592 km (0.081 R)
• M17: 18,771,690 km (0.091 R)
• M18: 19,960,545 km (0.086 R)
• M19: 21,135,786 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.1

Radius: 11.3

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.44 AU - 5.06 AU

Year: 6048 Days

Day: 12.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,750,012 km

• M1: 140,472 km (0.068 R)
• M2: 523,293 km (0.062 R)
• M3: 1,030,729 km (0.063 R)
• M4: 1,460,973 km (0.116 R)
• M5: 2,023,760 km (0.109 R)
• M6: 3,497,000 km (0.038 R)
• M7: 3,923,803 km (0.063 R)
• M8: 6,253,939 km (0.1 R)
• M9: 6,716,944 km (0.117 R)
• M10: 8,086,064 km (0.082 R)
• M11: 8,937,725 km (0.101 R)
• M12: 9,632,906 km (0.091 R)
• M13: 10,214,692 km (0.107 R)
• M14: 13,571,668 km (0.086 R)
• M15: 14,631,569 km (0.074 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 19,636 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit