🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.55 AU - 0.69 AU

Year: 181 Days

Day: 26.5 Hours

Environment

Temp: 164 °C

Axial Tilt: 7.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.81 AU - 0.85 AU

Year: 280 Days

Day: 18.3 Hours

Environment

Temp: 78 °C

Axial Tilt: 45.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.25 AU - 1.79 AU

Year: 695 Days

Day: 18.5 Hours

Environment

Temp: -46 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,982,867 km

• M1: 56,249 km (0.08 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.71 AU - 1.97 AU

Year: 926 Days

Day: 37.7 Hours

Environment

Temp: -54 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,982,867 km

• M1: 1,625,231 km (0.075 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.57 AU - 4.11 AU

Year: 2264 Days

Day: 40 Hours

Environment

Temp: -119 °C

Axial Tilt: 41.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.12 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.7

Radius: 14.5

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.89 AU - 6.89 AU

Year: 6707 Days

Day: 8.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,982,867 km

• M1: 183,407 km (0.055 R)
• M2: 715,377 km (0.044 R)
• M3: 1,336,059 km (0.115 R)
• M4: 3,098,172 km (0.075 R)
• M5: 4,513,218 km (0.118 R)
• M6: 5,351,565 km (0.043 R)
• M7: 5,808,437 km (0.118 R)
• M8: 6,594,274 km (0.029 R)
• M9: 7,084,806 km (0.055 R)
• M10: 9,124,722 km (0.066 R)
• M11: 9,914,898 km (0.117 R)
• M12: 12,667,648 km (0.033 R)
• M13: 13,373,152 km (0.074 R)
• M14: 13,933,695 km (0.117 R)
• M15: 14,393,410 km (0.082 R)
• M16: 15,771,804 km (0.109 R)
• M17: 17,699,971 km (0.091 R)
• M18: 20,509,419 km (0.091 R)
• M19: 22,175,341 km (0.069 R)
• M20: 24,011,805 km (0.068 R)
• M21: 29,842,980 km (0.066 R)
• M22: 34,738,720 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.8

Radius: 15

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.51 AU - 12.23 AU

Year: 11500 Days

Day: 7.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,982,867 km

• M1: 189,241 km (0.091 R)
• M2: 768,634 km (0.051 R)
• M3: 1,243,607 km (0.073 R)
• M4: 1,815,520 km (0.104 R)
• M5: 4,127,704 km (0.047 R)
• M6: 4,709,191 km (0.1 R)
• M7: 5,579,701 km (0.079 R)
• M8: 7,641,758 km (0.099 R)
• M9: 11,481,038 km (0.03 R)
• M10: 12,380,271 km (0.106 R)
• M11: 16,955,423 km (0.09 R)
• M12: 18,522,460 km (0.052 R)
• M13: 23,171,663 km (0.106 R)
• M14: 26,018,062 km (0.074 R)
• M15: 30,103,729 km (0.099 R)
• M16: 33,086,860 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.6

Radius: 7.6

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 12.7 AU - 16.66 AU

Year: 20859 Days

Day: 24 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,982,867 km

• M1: 106,065 km (0.042 R)
• M2: 760,705 km (0.101 R)
• M3: 1,527,544 km (0.098 R)
• M4: 6,799,074 km (0.112 R)
• M5: 7,774,601 km (0.115 R)
• M6: 8,589,910 km (0.116 R)
• M7: 11,318,126 km (0.102 R)
• M8: 17,038,150 km (0.078 R)
• M9: 19,079,114 km (0.076 R)
• M10: 27,883,098 km (0.114 R)
• M11: 28,543,872 km (0.053 R)
• M12: 35,865,192 km (0.061 R)
• M13: 36,124,445 km (0.071 R)
• M14: 39,885,784 km (0.054 R)
• M15: 45,094,932 km (0.092 R)
• M16: 49,286,963 km (0.054 R)
• M17: 52,055,421 km (0.1 R)
• M18: 52,387,828 km (0.117 R)
• M19: 56,312,378 km (0.026 R)
• M20: 57,544,766 km (0.111 R)
• M21: 59,336,200 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.5

Radius: 7

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 15.62 AU - 18.78 AU

Year: 26454 Days

Day: 18.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,982,867 km

• M1: 87,066 km (0.066 R)
• M2: 1,020,108 km (0.056 R)
• M3: 1,279,211 km (0.104 R)
• M4: 3,611,891 km (0.093 R)
• M5: 4,221,951 km (0.077 R)
• M6: 4,585,624 km (0.119 R)
• M7: 8,088,009 km (0.038 R)
• M8: 9,568,130 km (0.054 R)
• M9: 9,964,714 km (0.11 R)
• M10: 20,106,103 km (0.107 R)
• M11: 22,296,815 km (0.078 R)
• M12: 32,400,954 km (0.114 R)
• M13: 39,150,810 km (0.1 R)
• M14: 44,240,130 km (0.117 R)
• M15: 46,136,582 km (0.118 R)
• M16: 46,457,918 km (0.101 R)
• M17: 53,554,392 km (0.097 R)
• M18: 53,909,238 km (0.116 R)
• M19: 61,340,213 km (0.115 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 19,278 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit