🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.14 AU - 1.36 AU

Year: 493 Days

Day: 46.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 5.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 61,256,673 km

• M1: 305,030 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.09 AU - 1.71 AU

Year: 585 Days

Day: 15 Hours

Environment

Temp: 4 °C

Axial Tilt: 3.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.9 AU - 2.64 AU

Year: 1208 Days

Day: 34.8 Hours

Environment

Temp: -70 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.3 AU - 3.22 AU

Year: 1619 Days

Day: 14.5 Hours

Environment

Temp: -84 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.62 AU - 4.4 AU

Year: 2835 Days

Day: 36.6 Hours

Environment

Temp: -115 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,256,673 km

• M1: 3,650,188 km (0.099 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.4 AU - 5.48 AU

Year: 3877 Days

Day: 29.6 Hours

Environment

Temp: -127 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.5

Radius: 12.8

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.39 AU - 7.05 AU

Year: 6151 Days

Day: 14.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,256,673 km

• M1: 159,771 km (0.11 R)
• M2: 565,480 km (0.061 R)
• M3: 1,205,011 km (0.09 R)
• M4: 3,863,963 km (0.074 R)
• M5: 4,650,100 km (0.042 R)
• M6: 7,849,699 km (0.105 R)
• M7: 9,153,744 km (0.099 R)
• M8: 10,932,762 km (0.11 R)
• M9: 11,523,823 km (0.104 R)
• M10: 14,805,402 km (0.106 R)
• M11: 17,911,652 km (0.054 R)
• M12: 19,225,271 km (0.119 R)
• M13: 20,014,699 km (0.086 R)
• M14: 20,676,520 km (0.116 R)
• M15: 27,216,640 km (0.119 R)
• M16: 31,049,936 km (0.055 R)
• M17: 33,555,999 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 913.6

Radius: 7.8

Gravity: 15.02 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 14.96 AU - 17.78 AU

Year: 23387 Days

Day: 18 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,256,673 km

• M1: 96,939 km (0.09 R)
• M2: 423,063 km (0.041 R)
• M3: 775,067 km (0.088 R)
• M4: 1,904,680 km (0.077 R)
• M5: 2,246,661 km (0.078 R)
• M6: 2,944,684 km (0.054 R)
• M7: 3,344,111 km (0.088 R)
• M8: 5,033,370 km (0.118 R)
• M9: 5,314,315 km (0.075 R)
• M10: 5,605,582 km (0.072 R)
• M11: 5,863,788 km (0.062 R)
• M12: 7,635,924 km (0.112 R)
• M13: 8,786,930 km (0.112 R)
• M14: 9,434,091 km (0.119 R)
• M15: 9,862,090 km (0.035 R)
• M16: 12,634,288 km (0.063 R)
• M17: 17,843,735 km (0.086 R)
• M18: 19,658,357 km (0.089 R)
• M19: 20,356,979 km (0.097 R)
• M20: 22,229,196 km (0.07 R)
• M21: 22,552,029 km (0.062 R)
• M22: 30,869,820 km (0.108 R)
• M23: 31,406,577 km (0.032 R)
• M24: 31,677,200 km (0.119 R)
• M25: 33,757,358 km (0.106 R)
• M26: 34,758,467 km (0.037 R)
• M27: 40,701,541 km (0.109 R)
• M28: 43,827,838 km (0.039 R)
• M29: 47,465,460 km (0.096 R)
• M30: 52,621,949 km (0.113 R)
• M31: 55,928,211 km (0.105 R)
• M32: 60,408,967 km (0.115 R)
• M33: 70,077,028 km (0.085 R)
• M34: 71,704,354 km (0.094 R)
• M35: 74,552,398 km (0.096 R)
• M36: 76,737,425 km (0.103 R)
• M37: 80,473,332 km (0.034 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.3

Radius: 7.7

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 17.51 AU - 22.97 AU

Year: 32152 Days

Day: 22.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,256,673 km

• M1: 105,915 km (0.098 R)
• M2: 385,813 km (0.098 R)
• M3: 2,415,706 km (0.098 R)
• M4: 3,244,179 km (0.083 R)
• M5: 4,219,109 km (0.093 R)
• M6: 4,562,585 km (0.119 R)
• M7: 4,890,953 km (0.051 R)
• M8: 5,485,305 km (0.12 R)
• M9: 5,781,210 km (0.115 R)
• M10: 6,486,264 km (0.069 R)
• M11: 7,030,202 km (0.067 R)
• M12: 13,909,909 km (0.1 R)
• M13: 16,053,647 km (0.079 R)
• M14: 19,668,081 km (0.096 R)
• M15: 26,104,978 km (0.076 R)
• M16: 36,216,747 km (0.096 R)
• M17: 42,777,810 km (0.109 R)
• M18: 46,795,261 km (0.05 R)
• M19: 48,188,466 km (0.086 R)

Kuiper Belt

Range: 31.1 - 54.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 18,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit