🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.59 AU - 0.73 AU

Year: 198 Days

Day: 22 Hours

Environment

Temp: 206 °C

Axial Tilt: 17.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 88,505,335 km

• M1: 21,542 km (0.042 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.69 AU - 0.75 AU

Year: 225 Days

Day: 30.8 Hours

Environment

Temp: 163 °C

Axial Tilt: 35.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 88,505,335 km

• M1: 140,024 km (0.062 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.01 AU - 1.03 AU

Year: 380 Days

Day: 24 Hours

Environment

Temp: 25 °C

Axial Tilt: 36.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 88,505,335 km

• M1: 315,652 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.35 AU - 1.49 AU

Year: 624 Days

Day: 40.8 Hours

Environment

Temp: -34 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.9

Radius: 14.6

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.39 AU - 7.85 AU

Year: 7010 Days

Day: 5.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,505,335 km

• M1: 181,761 km (0.044 R)
• M2: 759,359 km (0.12 R)
• M3: 1,338,901 km (0.113 R)
• M4: 1,801,308 km (0.111 R)
• M5: 4,099,580 km (0.102 R)
• M6: 5,102,783 km (0.071 R)
• M7: 8,154,430 km (0.056 R)
• M8: 11,044,960 km (0.05 R)
• M9: 12,618,132 km (0.082 R)
• M10: 14,224,364 km (0.065 R)
• M11: 16,573,499 km (0.052 R)
• M12: 17,135,838 km (0.106 R)
• M13: 22,939,337 km (0.067 R)
• M14: 26,071,319 km (0.079 R)
• M15: 29,478,410 km (0.114 R)
• M16: 30,958,382 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.5

Radius: 8.4

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 8.49 AU - 13.25 AU

Year: 13223 Days

Day: 6.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,505,335 km

• M1: 104,419 km (0.115 R)
• M2: 368,609 km (0.097 R)
• M3: 2,162,587 km (0.089 R)
• M4: 2,670,172 km (0.111 R)
• M5: 3,183,443 km (0.074 R)
• M6: 3,681,903 km (0.098 R)
• M7: 4,647,707 km (0.111 R)
• M8: 9,268,785 km (0.079 R)
• M9: 9,767,694 km (0.068 R)
• M10: 10,656,754 km (0.066 R)
• M11: 11,541,775 km (0.038 R)
• M12: 11,886,000 km (0.105 R)
• M13: 14,824,551 km (0.067 R)
• M14: 16,497,354 km (0.09 R)
• M15: 17,604,528 km (0.091 R)
• M16: 18,918,446 km (0.117 R)
• M17: 23,708,719 km (0.039 R)
• M18: 28,933,425 km (0.074 R)
• M19: 30,649,761 km (0.086 R)
• M20: 31,980,883 km (0.109 R)
• M21: 34,049,074 km (0.079 R)
• M22: 35,476,537 km (0.101 R)
• M23: 37,316,291 km (0.094 R)
• M24: 39,997,683 km (0.088 R)
• M25: 42,941,620 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570

Radius: 4.5

Gravity: 28.15 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 12.41 AU - 17.43 AU

Year: 21263 Days

Day: 21 Hours

Environment

Temp: -185 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,505,335 km

• M1: 56,847 km (0.108 R)
• M2: 428,448 km (0.059 R)
• M3: 765,792 km (0.055 R)
• M4: 1,178,532 km (0.101 R)
• M5: 2,958,148 km (0.108 R)
• M6: 5,496,675 km (0.091 R)
• M7: 7,072,987 km (0.106 R)
• M8: 10,290,538 km (0.104 R)
• M9: 14,144,179 km (0.057 R)
• M10: 15,747,719 km (0.118 R)
• M11: 20,608,453 km (0.098 R)
• M12: 25,171,936 km (0.117 R)
• M13: 26,381,734 km (0.106 R)
• M14: 29,154,680 km (0.115 R)
• M15: 29,514,463 km (0.109 R)
• M16: 38,054,108 km (0.108 R)
• M17: 38,627,666 km (0.093 R)
• M18: 43,581,151 km (0.097 R)
• M19: 51,342,588 km (0.052 R)
• M20: 60,169,311 km (0.046 R)
• M21: 60,557,667 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.5

Radius: 7.8

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 14.68 AU - 19.38 AU

Year: 25930 Days

Day: 19.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,505,335 km

• M1: 96,939 km (0.111 R)
• M2: 349,610 km (0.093 R)
• M3: 663,766 km (0.088 R)
• M4: 1,261,708 km (0.102 R)
• M5: 2,117,408 km (0.111 R)
• M6: 2,409,723 km (0.091 R)
• M7: 3,452,420 km (0.109 R)
• M8: 5,775,076 km (0.11 R)
• M9: 6,098,806 km (0.082 R)
• M10: 8,403,511 km (0.098 R)
• M11: 11,109,736 km (0.069 R)
• M12: 12,930,941 km (0.104 R)
• M13: 15,245,968 km (0.092 R)
• M14: 16,582,026 km (0.058 R)
• M15: 20,030,108 km (0.104 R)
• M16: 20,679,063 km (0.064 R)
• M17: 23,825,406 km (0.118 R)
• M18: 29,714,775 km (0.1 R)
• M19: 31,791,791 km (0.098 R)
• M20: 37,893,739 km (0.089 R)
• M21: 44,263,168 km (0.096 R)
• M22: 44,732,456 km (0.1 R)
• M23: 52,175,997 km (0.112 R)
• M24: 53,403,298 km (0.101 R)
• M25: 57,200,990 km (0.113 R)
• M26: 61,952,069 km (0.081 R)
• M27: 64,323,195 km (0.112 R)
• M28: 67,371,401 km (0.11 R)
• M29: 68,408,563 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.5

Radius: 5.9

Gravity: 11.99 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 19.39 AU - 19.91 AU

Year: 32138 Days

Day: 19.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 65.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 88,505,335 km

• M1: 343,028 km (0.106 R)
• M2: 539,300 km (0.073 R)
• M3: 759,808 km (0.062 R)
• M4: 1,015,022 km (0.064 R)
• M5: 1,221,018 km (0.118 R)
• M6: 2,297,823 km (0.1 R)
• M7: 3,704,642 km (0.08 R)
• M8: 6,532,041 km (0.099 R)
• M9: 7,709,526 km (0.044 R)
• M10: 10,162,034 km (0.074 R)
• M11: 10,541,115 km (0.113 R)
• M12: 12,293,654 km (0.12 R)
• M13: 13,016,511 km (0.108 R)
• M14: 13,615,052 km (0.061 R)
• M15: 21,766,939 km (0.116 R)
• M16: 23,692,712 km (0.081 R)
• M17: 27,149,620 km (0.048 R)
• M18: 29,632,197 km (0.046 R)
• M19: 30,797,265 km (0.062 R)
• M20: 38,434,984 km (0.099 R)
• M21: 58,306,069 km (0.098 R)
• M22: 63,684,562 km (0.066 R)
• M23: 68,039,954 km (0.117 R)
• M24: 70,518,043 km (0.112 R)
• M25: 73,523,614 km (0.103 R)
• M26: 74,465,183 km (0.076 R)
• M27: 80,533,471 km (0.113 R)
• M28: 84,071,610 km (0.063 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 20,155 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit