🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.5 AU - 0.8 AU

Year: 194 Days

Day: 39 Hours

Environment

Temp: 114 °C

Axial Tilt: 18.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.07 AU - 1.37 AU

Year: 500 Days

Day: 47.1 Hours

Environment

Temp: 3 °C

Axial Tilt: 31.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.13 AU - 3.19 AU

Year: 2083 Days

Day: 27.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,253,461 km

• M1: 1,174,942 km (0.116 R)

Asteroid Belt

Center: 5.36 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.8

Radius: 12.4

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.3 AU - 8.8 AU

Year: 7694 Days

Day: 11.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,253,461 km

• M1: 211,083 km (0.115 R)
• M2: 672,742 km (0.039 R)
• M3: 1,141,432 km (0.076 R)
• M4: 1,766,302 km (0.079 R)
• M5: 2,662,244 km (0.044 R)
• M6: 5,623,982 km (0.069 R)
• M7: 7,689,031 km (0.104 R)
• M8: 8,238,355 km (0.109 R)
• M9: 9,706,059 km (0.082 R)
• M10: 10,174,301 km (0.061 R)
• M11: 13,464,856 km (0.066 R)
• M12: 19,205,674 km (0.043 R)
• M13: 19,674,214 km (0.065 R)
• M14: 23,624,795 km (0.082 R)
• M15: 25,024,881 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383

Radius: 10.9

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.12 AU - 9.32 AU

Year: 8740 Days

Day: 14.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,253,461 km

• M1: 135,984 km (0.098 R)
• M2: 875,297 km (0.119 R)
• M3: 1,677,441 km (0.064 R)
• M4: 3,157,413 km (0.044 R)
• M5: 4,314,851 km (0.069 R)
• M6: 4,712,183 km (0.061 R)
• M7: 5,221,265 km (0.119 R)
• M8: 5,924,973 km (0.095 R)
• M9: 7,596,729 km (0.103 R)
• M10: 8,706,297 km (0.054 R)
• M11: 9,084,929 km (0.09 R)
• M12: 10,616,063 km (0.103 R)
• M13: 12,629,800 km (0.106 R)
• M14: 13,006,787 km (0.088 R)
• M15: 14,590,430 km (0.04 R)
• M16: 15,307,004 km (0.054 R)
• M17: 18,273,230 km (0.062 R)
• M18: 19,106,042 km (0.116 R)
• M19: 20,402,307 km (0.05 R)
• M20: 22,533,927 km (0.095 R)
• M21: 24,144,797 km (0.066 R)
• M22: 26,702,921 km (0.093 R)
• M23: 30,387,965 km (0.108 R)
• M24: 30,871,166 km (0.108 R)
• M25: 32,351,736 km (0.098 R)
• M26: 34,398,834 km (0.041 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.2

Radius: 5.1

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 14.29 AU - 16.85 AU

Year: 22784 Days

Day: 20.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,253,461 km

• M1: 63,429 km (0.057 R)
• M2: 224,098 km (0.075 R)
• M3: 593,305 km (0.116 R)
• M4: 869,612 km (0.098 R)
• M5: 1,165,966 km (0.069 R)
• M6: 1,774,979 km (0.074 R)
• M7: 1,944,922 km (0.112 R)
• M8: 2,646,386 km (0.052 R)
• M9: 3,124,800 km (0.091 R)
• M10: 3,749,820 km (0.072 R)
• M11: 6,680,592 km (0.071 R)
• M12: 10,125,083 km (0.1 R)
• M13: 21,384,866 km (0.028 R)
• M14: 22,358,299 km (0.071 R)
• M15: 23,282,964 km (0.113 R)
• M16: 28,379,763 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.6

Radius: 3.4

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 13.28 AU - 20.48 AU

Year: 25720 Days

Day: 17.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,253,461 km

• M1: 43,533 km (0.096 R)
• M2: 162,762 km (0.095 R)
• M3: 326,273 km (0.103 R)
• M4: 1,227,750 km (0.034 R)
• M5: 2,491,852 km (0.102 R)
• M6: 3,344,410 km (0.059 R)
• M7: 4,170,938 km (0.103 R)
• M8: 4,930,147 km (0.114 R)
• M9: 6,795,633 km (0.089 R)
• M10: 7,410,480 km (0.089 R)
• M11: 8,332,302 km (0.081 R)
• M12: 8,939,819 km (0.094 R)
• M13: 9,676,738 km (0.087 R)
• M14: 10,190,009 km (0.102 R)
• M15: 11,552,247 km (0.108 R)
• M16: 12,071,052 km (0.112 R)
• M17: 16,719,806 km (0.079 R)
• M18: 21,132,644 km (0.103 R)
• M19: 24,532,106 km (0.062 R)
• M20: 27,358,907 km (0.112 R)
• M21: 29,749,631 km (0.055 R)
• M22: 29,856,593 km (0.114 R)
• M23: 30,395,295 km (0.086 R)
• M24: 31,160,488 km (0.05 R)
• M25: 34,703,864 km (0.114 R)
• M26: 35,060,355 km (0.064 R)
• M27: 35,901,694 km (0.106 R)
• M28: 40,050,043 km (0.113 R)
• M29: 46,636,987 km (0.117 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: 244 - 19,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit