🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178

Radius: 14

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.58 AU - 0.74 AU

Year: 377 Days

Day: 11.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,952,744 km

• M1: 174,132 km (0.099 R)
• M2: 711,338 km (0.067 R)
• M3: 1,237,174 km (0.08 R)
• M4: 1,729,202 km (0.062 R)
• M5: 3,370,290 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.1

Radius: 8

Gravity: 13.05 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.25 AU - 3.13 AU

Year: 3101 Days

Day: 14.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,952,744 km

• M1: 99,483 km (0.101 R)
• M2: 394,938 km (0.119 R)
• M3: 762,351 km (0.114 R)
• M4: 1,050,476 km (0.032 R)
• M5: 1,561,203 km (0.1 R)
• M6: 2,214,048 km (0.095 R)
• M7: 2,683,038 km (0.085 R)
• M8: 3,422,350 km (0.055 R)
• M9: 3,798,440 km (0.115 R)
• M10: 4,633,944 km (0.053 R)
• M11: 4,921,770 km (0.119 R)
• M12: 5,748,298 km (0.047 R)
• M13: 6,544,757 km (0.101 R)
• M14: 7,000,582 km (0.107 R)
• M15: 7,284,220 km (0.075 R)
• M16: 8,043,878 km (0.045 R)
• M17: 8,965,101 km (0.065 R)
• M18: 12,422,906 km (0.063 R)
• M19: 12,980,158 km (0.11 R)
• M20: 13,995,330 km (0.057 R)
• M21: 14,496,931 km (0.119 R)
• M22: 16,791,463 km (0.108 R)
• M23: 18,950,909 km (0.109 R)
• M24: 20,255,552 km (0.109 R)
• M25: 21,288,974 km (0.088 R)
• M26: 22,904,481 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.8

Radius: 11.9

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.61 AU - 3.09 AU

Year: 3382 Days

Day: 14.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,952,744 km

• M1: 148,102 km (0.047 R)
• M2: 1,051,374 km (0.114 R)
• M3: 1,614,460 km (0.06 R)
• M4: 2,299,170 km (0.046 R)
• M5: 2,734,350 km (0.058 R)
• M6: 3,224,732 km (0.088 R)
• M7: 3,920,063 km (0.095 R)
• M8: 4,315,300 km (0.071 R)
• M9: 5,475,282 km (0.101 R)
• M10: 5,999,473 km (0.113 R)
• M11: 6,770,800 km (0.057 R)
• M12: 7,212,861 km (0.089 R)
• M13: 7,707,881 km (0.108 R)
• M14: 8,803,087 km (0.09 R)
• M15: 9,602,089 km (0.062 R)
• M16: 9,999,271 km (0.108 R)
• M17: 13,984,259 km (0.097 R)
• M18: 14,392,213 km (0.081 R)
• M19: 15,828,053 km (0.098 R)
• M20: 16,271,312 km (0.11 R)
• M21: 18,735,787 km (0.114 R)
• M22: 21,171,240 km (0.112 R)
• M23: 22,050,876 km (0.096 R)
• M24: 23,025,207 km (0.074 R)
• M25: 24,393,279 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.4

Radius: 8.4

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.15 AU - 3.59 AU

Year: 4349 Days

Day: 5.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,952,744 km

• M1: 105,018 km (0.068 R)
• M2: 413,638 km (0.075 R)
• M3: 1,314,516 km (0.04 R)
• M4: 1,679,834 km (0.117 R)
• M5: 2,204,923 km (0.045 R)
• M6: 3,170,128 km (0.072 R)
• M7: 4,188,441 km (0.038 R)
• M8: 5,904,927 km (0.088 R)
• M9: 6,702,583 km (0.117 R)
• M10: 7,353,334 km (0.04 R)
• M11: 8,363,419 km (0.096 R)
• M12: 9,273,572 km (0.065 R)
• M13: 10,248,202 km (0.093 R)
• M14: 11,835,884 km (0.057 R)
• M15: 13,020,999 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.8

Radius: 10

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.04 AU - 3.9 AU

Year: 4544 Days

Day: 5.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,952,744 km

• M1: 124,465 km (0.09 R)
• M2: 553,363 km (0.093 R)
• M3: 968,497 km (0.119 R)
• M4: 1,519,914 km (0.093 R)
• M5: 1,977,534 km (0.088 R)
• M6: 3,020,082 km (0.105 R)
• M7: 4,017,301 km (0.037 R)
• M8: 4,769,629 km (0.05 R)
• M9: 5,699,828 km (0.025 R)
• M10: 7,179,052 km (0.066 R)
• M11: 7,772,357 km (0.114 R)
• M12: 9,667,014 km (0.102 R)
• M13: 11,661,453 km (0.033 R)
• M14: 14,345,538 km (0.09 R)
• M15: 23,667,131 km (0.093 R)
• M16: 28,261,581 km (0.098 R)
• M17: 28,604,609 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300

Radius: 5.1

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 7.81 AU - 11.53 AU

Year: 21137 Days

Day: 21.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,952,744 km

• M1: 68,217 km (0.031 R)
• M2: 455,077 km (0.08 R)
• M3: 1,464,414 km (0.086 R)
• M4: 1,779,467 km (0.069 R)
• M5: 2,007,603 km (0.073 R)
• M6: 2,215,694 km (0.054 R)
• M7: 2,376,063 km (0.058 R)
• M8: 3,048,057 km (0.078 R)
• M9: 4,596,245 km (0.108 R)
• M10: 4,758,858 km (0.077 R)
• M11: 5,270,034 km (0.108 R)
• M12: 5,484,557 km (0.094 R)
• M13: 6,321,108 km (0.118 R)
• M14: 8,581,831 km (0.093 R)
• M15: 9,546,289 km (0.056 R)
• M16: 9,865,381 km (0.056 R)
• M17: 11,568,104 km (0.107 R)
• M18: 12,999,457 km (0.09 R)
• M19: 14,267,747 km (0.118 R)
• M20: 15,543,368 km (0.1 R)
• M21: 17,835,058 km (0.061 R)
• M22: 19,228,862 km (0.04 R)
• M23: 19,909,233 km (0.038 R)
• M24: 23,361,353 km (0.035 R)
• M25: 28,265,919 km (0.119 R)
• M26: 30,041,945 km (0.117 R)
• M27: 36,069,543 km (0.111 R)
• M28: 36,972,964 km (0.101 R)
• M29: 42,999,066 km (0.083 R)
• M30: 48,080,606 km (0.091 R)
• M31: 51,573,417 km (0.09 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 14,525 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit