🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.88 AU - 0.94 AU

Year: 317 Days

Day: 21.4 Hours

Environment

Temp: 163 °C

Axial Tilt: 22.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.91 AU - 1.19 AU

Year: 393 Days

Day: 43.9 Hours

Environment

Temp: 8 °C

Axial Tilt: 32 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 55,147,988 km

• M1: 89,609 km (0.082 R)
• M2: 424,409 km (0.065 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.39 AU - 3.71 AU

Year: 2443 Days

Day: 26.6 Hours

Environment

Temp: -110 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 55,147,988 km

• M1: 187,596 km (0.095 R)
• M2: 2,826,053 km (0.078 R)

Asteroid Belt

Center: 5.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.6

Radius: 10.3

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.19 AU - 7.79 AU

Year: 6750 Days

Day: 5.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,147,988 km

• M1: 175,927 km (0.057 R)
• M2: 606,619 km (0.105 R)
• M3: 1,010,234 km (0.112 R)
• M4: 1,998,927 km (0.102 R)
• M5: 2,963,085 km (0.077 R)
• M6: 3,373,133 km (0.112 R)
• M7: 3,955,966 km (0.087 R)
• M8: 4,579,340 km (0.115 R)
• M9: 5,378,941 km (0.076 R)
• M10: 5,723,764 km (0.081 R)
• M11: 7,497,995 km (0.093 R)
• M12: 9,000,406 km (0.078 R)
• M13: 9,822,746 km (0.099 R)
• M14: 10,165,325 km (0.114 R)
• M15: 12,293,205 km (0.113 R)
• M16: 12,641,170 km (0.118 R)
• M17: 17,597,646 km (0.071 R)
• M18: 19,278,678 km (0.105 R)
• M19: 22,216,630 km (0.108 R)
• M20: 22,659,290 km (0.091 R)
• M21: 25,601,432 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.1

Radius: 9.7

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.54 AU - 7.9 AU

Year: 7835 Days

Day: 6.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,147,988 km

• M1: 120,576 km (0.096 R)
• M2: 505,491 km (0.095 R)
• M3: 841,338 km (0.102 R)
• M4: 1,149,061 km (0.049 R)
• M5: 2,245,015 km (0.112 R)
• M6: 3,069,150 km (0.104 R)
• M7: 4,241,100 km (0.107 R)
• M8: 4,740,757 km (0.077 R)
• M9: 5,440,426 km (0.042 R)
• M10: 5,744,708 km (0.116 R)
• M11: 6,448,117 km (0.107 R)
• M12: 7,440,400 km (0.101 R)
• M13: 14,496,034 km (0.101 R)
• M14: 15,029,051 km (0.052 R)
• M15: 16,247,675 km (0.109 R)
• M16: 19,905,044 km (0.114 R)
• M17: 23,055,874 km (0.078 R)
• M18: 23,562,861 km (0.097 R)
• M19: 25,511,224 km (0.045 R)
• M20: 26,053,666 km (0.106 R)

Asteroid Belt

Center: 8.1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.9

Radius: 12.5

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.96 AU - 9.98 AU

Year: 9004 Days

Day: 8.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,147,988 km

• M1: 157,377 km (0.08 R)
• M2: 554,111 km (0.087 R)
• M3: 1,066,483 km (0.085 R)
• M4: 1,542,803 km (0.077 R)
• M5: 2,419,446 km (0.1 R)
• M6: 2,941,393 km (0.107 R)
• M7: 3,971,823 km (0.08 R)
• M8: 4,466,843 km (0.092 R)
• M9: 5,374,154 km (0.12 R)
• M10: 6,702,284 km (0.085 R)
• M11: 8,082,923 km (0.113 R)
• M12: 8,758,656 km (0.118 R)
• M13: 10,730,206 km (0.101 R)
• M14: 11,645,895 km (0.055 R)
• M15: 12,770,273 km (0.112 R)
• M16: 14,764,412 km (0.12 R)
• M17: 15,293,839 km (0.089 R)
• M18: 16,453,223 km (0.063 R)
• M19: 16,894,836 km (0.099 R)
• M20: 17,474,228 km (0.087 R)
• M21: 20,427,440 km (0.098 R)
• M22: 22,830,580 km (0.118 R)
• M23: 26,780,263 km (0.116 R)
• M24: 29,191,182 km (0.093 R)
• M25: 30,686,263 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.5

Radius: 13.3

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.32 AU - 11.46 AU

Year: 10510 Days

Day: 11.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,147,988 km

• M1: 165,754 km (0.109 R)
• M2: 704,307 km (0.082 R)
• M3: 1,188,555 km (0.079 R)
• M4: 1,883,886 km (0.107 R)
• M5: 2,482,577 km (0.062 R)
• M6: 3,182,396 km (0.06 R)
• M7: 6,170,314 km (0.041 R)
• M8: 6,753,596 km (0.093 R)
• M9: 7,763,381 km (0.086 R)
• M10: 9,065,930 km (0.032 R)
• M11: 13,848,275 km (0.098 R)
• M12: 14,782,364 km (0.098 R)
• M13: 16,481,048 km (0.081 R)
• M14: 28,847,556 km (0.074 R)
• M15: 30,259,760 km (0.051 R)
• M16: 31,264,010 km (0.116 R)
• M17: 35,504,661 km (0.073 R)
• M18: 43,681,531 km (0.041 R)
• M19: 50,501,848 km (0.103 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: 265 - 17,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit