🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.5 AU - 0.52 AU

Year: 140 Days

Day: 19.2 Hours

Environment

Temp: 218 °C

Axial Tilt: 1.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,660,821 km

• M1: 74,500 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.71 AU - 0.77 AU

Year: 245 Days

Day: 25.8 Hours

Environment

Temp: 154 °C

Axial Tilt: 36.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.91 AU - 1.05 AU

Year: 374 Days

Day: 22.3 Hours

Environment

Temp: 23 °C

Axial Tilt: 37.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.03 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.7

Radius: 10.6

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.03 AU - 5.11 AU

Year: 4395 Days

Day: 14.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,660,821 km

• M1: 131,796 km (0.092 R)
• M2: 559,496 km (0.12 R)
• M3: 1,027,289 km (0.079 R)
• M4: 1,433,297 km (0.108 R)
• M5: 2,502,922 km (0.114 R)
• M6: 2,936,457 km (0.055 R)
• M7: 3,730,971 km (0.078 R)
• M8: 4,125,161 km (0.074 R)
• M9: 4,780,550 km (0.066 R)
• M10: 5,121,184 km (0.082 R)
• M11: 5,636,100 km (0.089 R)
• M12: 6,044,652 km (0.044 R)
• M13: 6,472,950 km (0.119 R)
• M14: 6,921,445 km (0.118 R)
• M15: 7,390,584 km (0.07 R)
• M16: 9,521,156 km (0.119 R)
• M17: 12,665,853 km (0.055 R)
• M18: 13,273,819 km (0.105 R)
• M19: 14,904,436 km (0.088 R)
• M20: 15,741,436 km (0.114 R)
• M21: 17,111,603 km (0.105 R)
• M22: 19,466,722 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.2

Radius: 10.7

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.11 AU - 9.41 AU

Year: 9982 Days

Day: 6.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,660,821 km

• M1: 133,142 km (0.108 R)
• M2: 498,610 km (0.106 R)
• M3: 1,190,051 km (0.071 R)
• M4: 1,574,667 km (0.071 R)
• M5: 2,150,320 km (0.117 R)
• M6: 2,549,447 km (0.057 R)
• M7: 3,304,617 km (0.103 R)
• M8: 4,103,619 km (0.063 R)
• M9: 5,227,099 km (0.068 R)
• M10: 8,548,920 km (0.077 R)
• M11: 9,086,724 km (0.085 R)
• M12: 9,603,286 km (0.108 R)
• M13: 10,230,400 km (0.047 R)
• M14: 12,019,890 km (0.098 R)
• M15: 12,380,570 km (0.078 R)
• M16: 13,177,927 km (0.062 R)
• M17: 13,896,296 km (0.093 R)
• M18: 14,293,777 km (0.117 R)
• M19: 14,933,907 km (0.119 R)
• M20: 23,932,069 km (0.086 R)
• M21: 26,533,875 km (0.095 R)
• M22: 27,234,741 km (0.054 R)
• M23: 28,399,959 km (0.085 R)
• M24: 34,005,990 km (0.056 R)
• M25: 34,728,846 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.7

Radius: 14.1

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 10.63 AU - 11.79 AU

Year: 14450 Days

Day: 6.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,660,821 km

• M1: 175,329 km (0.119 R)
• M2: 704,307 km (0.083 R)
• M3: 1,151,156 km (0.119 R)
• M4: 1,629,869 km (0.095 R)
• M5: 2,987,769 km (0.119 R)
• M6: 3,891,190 km (0.12 R)
• M7: 4,467,740 km (0.112 R)
• M8: 5,201,219 km (0.1 R)
• M9: 6,125,883 km (0.096 R)
• M10: 7,454,163 km (0.078 R)
• M11: 9,064,733 km (0.072 R)
• M12: 13,472,036 km (0.108 R)
• M13: 14,324,744 km (0.09 R)
• M14: 21,597,594 km (0.078 R)
• M15: 22,765,804 km (0.106 R)
• M16: 27,654,214 km (0.093 R)
• M17: 28,496,450 km (0.108 R)
• M18: 30,676,839 km (0.034 R)
• M19: 32,499,689 km (0.086 R)
• M20: 34,878,444 km (0.117 R)
• M21: 38,012,520 km (0.118 R)
• M22: 41,057,435 km (0.119 R)
• M23: 47,180,326 km (0.109 R)
• M24: 53,075,380 km (0.088 R)
• M25: 53,560,675 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.3

Radius: 5.4

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 18.36 AU - 19.22 AU

Year: 31359 Days

Day: 16.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,660,821 km

• M1: 87,515 km (0.096 R)
• M2: 396,285 km (0.066 R)
• M3: 1,806,245 km (0.107 R)
• M4: 2,969,219 km (0.114 R)
• M5: 4,228,533 km (0.089 R)
• M6: 5,243,705 km (0.1 R)
• M7: 5,520,909 km (0.059 R)
• M8: 6,218,634 km (0.076 R)
• M9: 8,012,312 km (0.115 R)
• M10: 10,124,335 km (0.051 R)
• M11: 12,156,622 km (0.045 R)
• M12: 13,914,098 km (0.103 R)
• M13: 14,716,541 km (0.092 R)
• M14: 24,032,449 km (0.105 R)
• M15: 25,775,863 km (0.032 R)
• M16: 27,188,964 km (0.066 R)
• M17: 27,705,825 km (0.116 R)
• M18: 28,124,100 km (0.096 R)
• M19: 29,948,596 km (0.105 R)
• M20: 33,476,264 km (0.118 R)
• M21: 35,646,629 km (0.075 R)
• M22: 36,640,707 km (0.118 R)
• M23: 42,578,546 km (0.08 R)
• M24: 43,697,239 km (0.091 R)
• M25: 48,670,620 km (0.104 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 13,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit