🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.98 AU - 1.28 AU

Year: 457 Days

Day: 26.8 Hours

Environment

Temp: -15 °C

Axial Tilt: 2.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.19 AU - 2.69 AU

Year: 1451 Days

Day: 23.4 Hours

Environment

Temp: -108 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.7

Radius: 12.2

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.65 AU - 9.63 AU

Year: 9671 Days

Day: 13 Hours

Environment

Temp: -183 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 111,847,576 km

• M1: 151,692 km (0.101 R)
• M2: 595,100 km (0.049 R)
• M3: 1,024,446 km (0.112 R)
• M4: 1,490,444 km (0.099 R)
• M5: 2,098,409 km (0.07 R)
• M6: 2,478,986 km (0.116 R)
• M7: 3,721,546 km (0.091 R)
• M8: 4,208,786 km (0.056 R)
• M9: 4,683,610 km (0.06 R)
• M10: 5,463,015 km (0.067 R)
• M11: 5,900,140 km (0.032 R)
• M12: 7,354,381 km (0.039 R)
• M13: 9,250,983 km (0.098 R)
• M14: 11,555,388 km (0.098 R)
• M15: 12,226,036 km (0.084 R)
• M16: 12,977,166 km (0.078 R)
• M17: 14,809,441 km (0.091 R)
• M18: 16,613,741 km (0.079 R)
• M19: 24,126,696 km (0.104 R)
• M20: 26,000,708 km (0.08 R)
• M21: 27,152,762 km (0.117 R)
• M22: 34,789,733 km (0.051 R)
• M23: 36,845,806 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.3

Radius: 14.9

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 9.81 AU - 9.95 AU

Year: 11826 Days

Day: 12.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 177.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 111,847,576 km

• M1: 185,352 km (0.1 R)
• M2: 845,976 km (0.065 R)
• M3: 1,815,669 km (0.095 R)
• M4: 2,375,165 km (0.113 R)
• M5: 2,909,679 km (0.108 R)
• M6: 3,551,304 km (0.098 R)
• M7: 4,021,041 km (0.07 R)
• M8: 4,691,090 km (0.117 R)
• M9: 6,256,632 km (0.111 R)
• M10: 7,246,072 km (0.065 R)
• M11: 8,578,241 km (0.1 R)
• M12: 9,073,709 km (0.086 R)
• M13: 10,620,252 km (0.095 R)
• M14: 12,461,203 km (0.043 R)
• M15: 13,424,913 km (0.061 R)
• M16: 14,927,474 km (0.082 R)
• M17: 18,023,252 km (0.065 R)
• M18: 22,911,961 km (0.088 R)
• M19: 24,853,293 km (0.062 R)
• M20: 26,483,760 km (0.066 R)
• M21: 31,568,143 km (0.114 R)
• M22: 33,357,632 km (0.095 R)
• M23: 34,339,144 km (0.088 R)
• M24: 37,662,760 km (0.12 R)
• M25: 41,335,388 km (0.073 R)
• M26: 43,766,652 km (0.108 R)
• M27: 54,111,794 km (0.028 R)
• M28: 56,671,114 km (0.098 R)
• M29: 58,598,683 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.4

Radius: 9.3

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 10.15 AU - 11.43 AU

Year: 13497 Days

Day: 6.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 111,847,576 km

• M1: 231,278 km (0.075 R)
• M2: 1,561,802 km (0.11 R)
• M3: 1,971,550 km (0.065 R)
• M4: 7,590,147 km (0.08 R)
• M5: 9,903,529 km (0.087 R)
• M6: 13,826,882 km (0.092 R)
• M7: 17,174,883 km (0.086 R)
• M8: 19,729,865 km (0.079 R)
• M9: 21,449,492 km (0.059 R)
• M10: 24,948,886 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.4

Radius: 4.1

Gravity: 52.14 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 15.59 AU - 22.39 AU

Year: 31513 Days

Day: 17.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 111,847,576 km

• M1: 52,958 km (0.113 R)
• M2: 475,422 km (0.105 R)
• M3: 958,773 km (0.053 R)
• M4: 1,447,060 km (0.098 R)
• M5: 1,596,508 km (0.077 R)
• M6: 1,776,924 km (0.091 R)
• M7: 2,061,608 km (0.114 R)
• M8: 2,892,026 km (0.067 R)
• M9: 3,161,003 km (0.04 R)
• M10: 4,068,613 km (0.103 R)
• M11: 4,216,566 km (0.036 R)
• M12: 5,442,819 km (0.07 R)
• M13: 10,036,072 km (0.051 R)
• M14: 12,414,828 km (0.09 R)
• M15: 14,025,548 km (0.103 R)
• M16: 14,278,668 km (0.093 R)
• M17: 20,322,123 km (0.068 R)
• M18: 22,318,207 km (0.066 R)
• M19: 22,663,180 km (0.114 R)
• M20: 28,676,266 km (0.103 R)
• M21: 28,811,652 km (0.117 R)
• M22: 30,329,921 km (0.089 R)
• M23: 31,900,699 km (0.074 R)
• M24: 60,794,331 km (0.118 R)
• M25: 63,974,781 km (0.105 R)
• M26: 79,130,093 km (0.1 R)
• M27: 82,642,202 km (0.11 R)
• M28: 90,265,710 km (0.099 R)
• M29: 101,140,876 km (0.087 R)
• M30: 105,595,452 km (0.101 R)
• M31: 108,856,087 km (0.076 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 17,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit