🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.79 AU - 1.11 AU

Year: 356 Days

Day: 28.2 Hours

Environment

Temp: 2 °C

Axial Tilt: 85.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 51,744,745 km

• M1: 162,164 km (0.11 R)
• M2: 203,902 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.44 AU - 2.3 AU

Year: 985 Days

Day: 17.3 Hours

Environment

Temp: -75 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.65 AU - 2.25 AU

Year: 1048 Days

Day: 31 Hours

Environment

Temp: -87 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,744,745 km

• M1: 30,967 km (0.101 R)

Asteroid Belt

Center: 3.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.5

Radius: 14.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.19 AU - 6.03 AU

Year: 4447 Days

Day: 12.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,744,745 km

• M1: 180,116 km (0.066 R)
• M2: 727,494 km (0.097 R)
• M3: 1,240,316 km (0.114 R)
• M4: 1,713,195 km (0.12 R)
• M5: 3,175,514 km (0.097 R)
• M6: 4,273,562 km (0.091 R)
• M7: 5,469,149 km (0.104 R)
• M8: 6,206,965 km (0.12 R)
• M9: 6,680,891 km (0.106 R)
• M10: 7,737,950 km (0.119 R)
• M11: 8,903,766 km (0.109 R)
• M12: 9,426,311 km (0.112 R)
• M13: 10,226,959 km (0.067 R)
• M14: 13,313,163 km (0.107 R)
• M15: 14,267,448 km (0.108 R)
• M16: 16,134,729 km (0.117 R)
• M17: 16,852,649 km (0.098 R)
• M18: 20,350,247 km (0.119 R)
• M19: 21,616,444 km (0.085 R)
• M20: 23,310,041 km (0.077 R)
• M21: 27,971,810 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.5

Radius: 10.8

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5 AU - 7.34 AU

Year: 5901 Days

Day: 7.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 147.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,744,745 km

• M1: 134,339 km (0.085 R)
• M2: 511,774 km (0.038 R)
• M3: 1,077,105 km (0.096 R)
• M4: 1,721,572 km (0.11 R)
• M5: 2,446,972 km (0.049 R)
• M6: 2,810,645 km (0.086 R)
• M7: 3,606,954 km (0.097 R)
• M8: 4,080,880 km (0.074 R)
• M9: 4,895,142 km (0.106 R)
• M10: 5,588,228 km (0.046 R)
• M11: 5,958,633 km (0.104 R)
• M12: 6,375,861 km (0.07 R)
• M13: 7,642,357 km (0.1 R)
• M14: 9,343,434 km (0.077 R)
• M15: 9,744,357 km (0.097 R)
• M16: 11,149,679 km (0.039 R)
• M17: 12,444,448 km (0.078 R)
• M18: 12,881,125 km (0.075 R)
• M19: 13,580,794 km (0.095 R)
• M20: 14,839,062 km (0.097 R)
• M21: 19,791,349 km (0.087 R)
• M22: 20,253,607 km (0.12 R)
• M23: 22,673,652 km (0.082 R)
• M24: 23,472,504 km (0.111 R)
• M25: 25,203,501 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.4

Radius: 6.2

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 9.47 AU - 14.39 AU

Year: 15865 Days

Day: 19.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,744,745 km

• M1: 97,987 km (0.107 R)
• M2: 859,290 km (0.077 R)
• M3: 1,308,233 km (0.093 R)
• M4: 1,735,784 km (0.043 R)
• M5: 4,550,019 km (0.092 R)
• M6: 7,364,853 km (0.054 R)
• M7: 9,707,406 km (0.068 R)
• M8: 11,649,635 km (0.068 R)
• M9: 16,593,396 km (0.116 R)
• M10: 17,223,652 km (0.077 R)
• M11: 18,066,785 km (0.12 R)
• M12: 19,141,945 km (0.119 R)
• M13: 25,410,844 km (0.043 R)
• M14: 26,247,844 km (0.047 R)
• M15: 27,363,246 km (0.108 R)
• M16: 27,625,042 km (0.096 R)
• M17: 31,182,330 km (0.105 R)
• M18: 32,432,818 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.7

Radius: 3.3

Gravity: 82.25 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 11.37 AU - 12.65 AU

Year: 16024 Days

Day: 19.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,744,745 km

• M1: 76,445 km (0.09 R)
• M2: 287,976 km (0.112 R)
• M3: 459,415 km (0.115 R)
• M4: 3,415,918 km (0.089 R)
• M5: 3,616,080 km (0.091 R)
• M6: 4,329,063 km (0.119 R)
• M7: 4,563,633 km (0.084 R)
• M8: 4,736,119 km (0.094 R)
• M9: 4,985,050 km (0.088 R)
• M10: 5,432,048 km (0.094 R)
• M11: 7,160,951 km (0.062 R)
• M12: 8,377,630 km (0.108 R)
• M13: 9,445,310 km (0.117 R)
• M14: 9,953,943 km (0.112 R)
• M15: 11,087,596 km (0.093 R)
• M16: 13,821,347 km (0.08 R)
• M17: 15,381,354 km (0.073 R)
• M18: 18,757,927 km (0.12 R)
• M19: 20,384,655 km (0.044 R)
• M20: 21,327,720 km (0.106 R)
• M21: 28,292,697 km (0.097 R)
• M22: 34,874,704 km (0.114 R)
• M23: 45,987,582 km (0.072 R)
• M24: 70,280,182 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.6

Radius: 4.5

Gravity: 16.57 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 10.47 AU - 13.55 AU

Year: 16024 Days

Day: 19.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,744,745 km

• M1: 55,950 km (0.115 R)
• M2: 210,335 km (0.112 R)
• M3: 709,842 km (0.107 R)
• M4: 974,929 km (0.111 R)
• M5: 1,610,720 km (0.048 R)
• M6: 2,447,571 km (0.084 R)
• M7: 2,825,605 km (0.116 R)
• M8: 2,982,682 km (0.111 R)
• M9: 3,145,744 km (0.119 R)
• M10: 5,560,702 km (0.088 R)
• M11: 6,211,902 km (0.115 R)
• M12: 7,365,900 km (0.113 R)
• M13: 8,377,331 km (0.09 R)
• M14: 9,182,018 km (0.074 R)
• M15: 13,290,724 km (0.092 R)
• M16: 18,322,448 km (0.052 R)
• M17: 18,949,562 km (0.09 R)
• M18: 19,268,355 km (0.079 R)
• M19: 19,671,970 km (0.047 R)
• M20: 19,916,862 km (0.108 R)
• M21: 20,663,655 km (0.111 R)
• M22: 22,301,153 km (0.084 R)
• M23: 23,196,945 km (0.105 R)
• M24: 26,520,561 km (0.1 R)
• M25: 29,080,031 km (0.108 R)
• M26: 29,717,916 km (0.112 R)
• M27: 38,368,563 km (0.092 R)
• M28: 46,216,916 km (0.053 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: 355 - 18,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit