🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.81 AU - 0.99 AU

Year: 323 Days

Day: 20.8 Hours

Environment

Temp: 35 °C

Axial Tilt: 9.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.91 AU - 1.51 AU

Year: 504 Days

Day: 45.1 Hours

Environment

Temp: -14 °C

Axial Tilt: 19.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.53 AU - 3.87 AU

Year: 2696 Days

Day: 34.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,840,560 km

• M1: 310,565 km (0.109 R)

Asteroid Belt

Center: 4.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.5

Radius: 14.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.84 AU - 6.08 AU

Year: 4184 Days

Day: 13.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,840,560 km

• M1: 181,612 km (0.073 R)
• M2: 755,170 km (0.081 R)
• M3: 1,224,907 km (0.114 R)
• M4: 1,678,638 km (0.08 R)
• M5: 2,261,621 km (0.113 R)
• M6: 2,830,541 km (0.105 R)
• M7: 3,725,436 km (0.119 R)
• M8: 4,370,352 km (0.118 R)
• M9: 4,825,429 km (0.095 R)
• M10: 5,337,502 km (0.085 R)
• M11: 6,646,334 km (0.05 R)
• M12: 10,401,540 km (0.119 R)
• M13: 11,051,991 km (0.083 R)
• M14: 13,355,649 km (0.097 R)
• M15: 14,272,385 km (0.1 R)
• M16: 14,923,435 km (0.064 R)
• M17: 18,716,788 km (0.092 R)
• M18: 22,368,173 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.6

Radius: 10.9

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.8 AU - 6.14 AU

Year: 4845 Days

Day: 12.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,840,560 km

• M1: 135,536 km (0.104 R)
• M2: 588,817 km (0.08 R)
• M3: 1,184,217 km (0.099 R)
• M4: 1,783,506 km (0.077 R)
• M5: 2,760,230 km (0.086 R)
• M6: 3,190,324 km (0.062 R)
• M7: 3,800,983 km (0.084 R)
• M8: 4,250,076 km (0.118 R)
• M9: 5,893,857 km (0.1 R)
• M10: 7,356,026 km (0.076 R)
• M11: 8,188,389 km (0.091 R)
• M12: 9,297,657 km (0.056 R)
• M13: 9,813,321 km (0.079 R)
• M14: 10,154,853 km (0.047 R)
• M15: 11,475,802 km (0.119 R)
• M16: 12,069,556 km (0.072 R)
• M17: 12,550,364 km (0.109 R)
• M18: 16,547,469 km (0.079 R)
• M19: 19,719,543 km (0.109 R)
• M20: 20,264,677 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.5

Radius: 10.6

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.44 AU - 7.08 AU

Year: 6657 Days

Day: 5.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,840,560 km

• M1: 131,945 km (0.103 R)
• M2: 503,846 km (0.073 R)
• M3: 1,168,659 km (0.093 R)
• M4: 1,498,671 km (0.078 R)
• M5: 2,008,351 km (0.116 R)
• M6: 2,759,333 km (0.086 R)
• M7: 3,530,959 km (0.113 R)
• M8: 4,237,060 km (0.064 R)
• M9: 4,650,699 km (0.114 R)
• M10: 5,034,716 km (0.085 R)
• M11: 5,499,517 km (0.075 R)
• M12: 6,056,470 km (0.077 R)
• M13: 7,247,269 km (0.054 R)
• M14: 8,149,793 km (0.075 R)
• M15: 8,547,424 km (0.078 R)
• M16: 11,455,457 km (0.113 R)
• M17: 11,803,721 km (0.077 R)
• M18: 12,837,592 km (0.113 R)
• M19: 13,321,990 km (0.087 R)
• M20: 15,144,241 km (0.099 R)
• M21: 16,615,835 km (0.118 R)
• M22: 18,382,886 km (0.081 R)
• M23: 20,344,263 km (0.117 R)
• M24: 21,904,120 km (0.096 R)
• M25: 28,307,657 km (0.057 R)
• M26: 32,574,787 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760.6

Radius: 6.1

Gravity: 20.44 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 13.74 AU - 15.5 AU

Year: 21172 Days

Day: 15.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,840,560 km

• M1: 75,846 km (0.108 R)
• M2: 449,841 km (0.103 R)
• M3: 982,559 km (0.118 R)
• M4: 1,192,145 km (0.088 R)
• M5: 1,909,467 km (0.12 R)
• M6: 4,562,436 km (0.066 R)
• M7: 5,348,124 km (0.072 R)
• M8: 6,486,414 km (0.107 R)
• M9: 10,481,575 km (0.082 R)
• M10: 11,440,497 km (0.099 R)
• M11: 11,772,754 km (0.054 R)
• M12: 17,737,072 km (0.115 R)
• M13: 23,158,050 km (0.109 R)
• M14: 28,726,382 km (0.04 R)
• M15: 29,588,364 km (0.098 R)
• M16: 34,432,493 km (0.112 R)
• M17: 45,821,229 km (0.108 R)
• M18: 67,340,135 km (0.06 R)
• M19: 68,640,589 km (0.074 R)
• M20: 72,642,332 km (0.105 R)
• M21: 76,093,705 km (0.091 R)
• M22: 79,171,831 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 10,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit