🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.55 AU - 0.81 AU

Year: 209 Days

Day: 25.9 Hours

Environment

Temp: 177 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.66 AU - 0.82 AU

Year: 237 Days

Day: 34.9 Hours

Environment

Temp: 136 °C

Axial Tilt: 24.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,388,780 km

• M1: 12,716 km (0.062 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.81 AU - 1.19 AU

Year: 373 Days

Day: 40.3 Hours

Environment

Temp: 5 °C

Axial Tilt: 5.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.95 AU - 2.99 AU

Year: 1447 Days

Day: 26.6 Hours

Environment

Temp: -96 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.88 AU - 3.88 AU

Year: 2316 Days

Day: 27.3 Hours

Environment

Temp: -113 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.08 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.9

Radius: 15

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.85 AU - 5.69 AU

Year: 3884 Days

Day: 7.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,388,780 km

• M1: 215,870 km (0.115 R)
• M2: 1,674,748 km (0.094 R)
• M3: 2,166,028 km (0.044 R)
• M4: 3,450,624 km (0.061 R)
• M5: 4,282,987 km (0.112 R)
• M6: 5,546,491 km (0.1 R)
• M7: 6,720,684 km (0.08 R)
• M8: 8,087,859 km (0.081 R)
• M9: 9,708,154 km (0.062 R)
• M10: 11,833,491 km (0.115 R)
• M11: 14,744,665 km (0.082 R)
• M12: 15,400,203 km (0.107 R)
• M13: 17,651,950 km (0.083 R)
• M14: 19,329,840 km (0.12 R)
• M15: 19,932,420 km (0.092 R)
• M16: 20,797,096 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.8

Radius: 11.3

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.83 AU - 9.79 AU

Year: 10590 Days

Day: 13.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,388,780 km

• M1: 140,622 km (0.118 R)
• M2: 494,122 km (0.089 R)
• M3: 964,009 km (0.097 R)
• M4: 1,773,034 km (0.104 R)
• M5: 2,410,620 km (0.097 R)
• M6: 3,030,105 km (0.117 R)
• M7: 3,729,625 km (0.034 R)
• M8: 5,359,045 km (0.117 R)
• M9: 6,905,887 km (0.118 R)
• M10: 10,714,050 km (0.067 R)
• M11: 13,424,165 km (0.1 R)
• M12: 14,401,338 km (0.072 R)
• M13: 18,094,012 km (0.114 R)
• M14: 18,859,355 km (0.084 R)
• M15: 19,864,652 km (0.094 R)
• M16: 21,056,648 km (0.116 R)
• M17: 22,933,354 km (0.072 R)
• M18: 25,692,387 km (0.046 R)
• M19: 27,287,100 km (0.074 R)
• M20: 28,016,689 km (0.072 R)
• M21: 29,801,541 km (0.102 R)
• M22: 30,380,485 km (0.087 R)
• M23: 32,669,931 km (0.111 R)
• M24: 33,492,570 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.4

Radius: 12.7

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 9.65 AU - 14.15 AU

Year: 15303 Days

Day: 11.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,388,780 km

• M1: 158,574 km (0.102 R)
• M2: 848,968 km (0.085 R)
• M3: 2,408,675 km (0.119 R)
• M4: 2,804,960 km (0.044 R)
• M5: 3,780,787 km (0.1 R)
• M6: 4,187,693 km (0.101 R)
• M7: 5,242,957 km (0.082 R)
• M8: 7,476,154 km (0.076 R)
• M9: 7,875,281 km (0.037 R)
• M10: 12,138,371 km (0.102 R)
• M11: 18,378,697 km (0.038 R)
• M12: 22,303,995 km (0.056 R)
• M13: 23,134,413 km (0.096 R)
• M14: 24,071,644 km (0.119 R)
• M15: 24,593,292 km (0.086 R)
• M16: 28,266,667 km (0.076 R)
• M17: 28,847,556 km (0.06 R)
• M18: 30,943,572 km (0.117 R)
• M19: 36,911,479 km (0.105 R)
• M20: 37,838,837 km (0.065 R)
• M21: 41,455,814 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 35.9

Radius: 3.2

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 15.2 AU - 18.16 AU

Year: 25395 Days

Day: 24.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,388,780 km

• M1: 53,855 km (0.118 R)
• M2: 8,220,852 km (0.07 R)
• M3: 11,283,569 km (0.03 R)
• M4: 15,443,287 km (0.088 R)
• M5: 17,114,445 km (0.112 R)
• M6: 18,970,805 km (0.119 R)
• M7: 21,474,326 km (0.049 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 13,591 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit