🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.59 AU - 0.99 AU

Year: 246 Days

Day: 43.3 Hours

Environment

Temp: 172 °C

Axial Tilt: 11.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,471,893 km

• M1: 42,785 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.74 AU - 0.96 AU

Year: 274 Days

Day: 17.2 Hours

Environment

Temp: 102 °C

Axial Tilt: 20.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 60,471,893 km

• M1: 260,450 km (0.036 R)
• M2: 297,550 km (0.071 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.25 AU - 1.73 AU

Year: 636 Days

Day: 47.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 31.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.14 AU - 1.84 AU

Year: 636 Days

Day: 24.3 Hours

Environment

Temp: -11 °C

Axial Tilt: 7.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.14 AU - 2.18 AU

Year: 1111 Days

Day: 23.3 Hours

Environment

Temp: -59 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.57 AU - 4.15 AU

Year: 2155 Days

Day: 42.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,471,893 km

• M1: 969,394 km (0.065 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.16 AU - 4.46 AU

Year: 2602 Days

Day: 37.5 Hours

Environment

Temp: -102 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.7

Radius: 10.2

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.42 AU - 8.24 AU

Year: 7665 Days

Day: 10.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,471,893 km

• M1: 127,158 km (0.116 R)
• M2: 455,077 km (0.111 R)
• M3: 785,987 km (0.053 R)
• M4: 1,217,876 km (0.083 R)
• M5: 1,674,898 km (0.11 R)
• M6: 2,614,223 km (0.085 R)
• M7: 3,501,637 km (0.09 R)
• M8: 4,549,720 km (0.103 R)
• M9: 5,084,682 km (0.087 R)
• M10: 6,718,291 km (0.116 R)
• M11: 7,059,823 km (0.117 R)
• M12: 7,533,300 km (0.059 R)
• M13: 10,987,964 km (0.097 R)
• M14: 14,989,856 km (0.041 R)
• M15: 15,574,784 km (0.064 R)
• M16: 16,583,522 km (0.09 R)
• M17: 17,922,872 km (0.035 R)
• M18: 18,805,200 km (0.108 R)
• M19: 24,094,532 km (0.05 R)
• M20: 26,274,921 km (0.118 R)
• M21: 29,181,309 km (0.115 R)
• M22: 31,338,959 km (0.099 R)
• M23: 31,761,722 km (0.119 R)
• M24: 33,490,775 km (0.083 R)
• M25: 37,135,727 km (0.061 R)
• M26: 40,285,510 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.6

Radius: 8.8

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 8.41 AU - 12.85 AU

Year: 12125 Days

Day: 11.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,471,893 km

• M1: 109,506 km (0.098 R)
• M2: 844,929 km (0.115 R)
• M3: 1,410,409 km (0.028 R)
• M4: 2,172,161 km (0.049 R)
• M5: 3,258,840 km (0.055 R)
• M6: 3,866,058 km (0.053 R)
• M7: 4,704,853 km (0.104 R)
• M8: 5,623,683 km (0.079 R)
• M9: 5,955,192 km (0.057 R)
• M10: 7,284,070 km (0.056 R)
• M11: 7,813,048 km (0.109 R)
• M12: 8,948,047 km (0.083 R)
• M13: 9,815,864 km (0.039 R)
• M14: 10,627,433 km (0.11 R)
• M15: 12,017,795 km (0.058 R)
• M16: 13,201,563 km (0.114 R)
• M17: 15,726,925 km (0.115 R)
• M18: 16,238,550 km (0.072 R)
• M19: 16,912,638 km (0.118 R)
• M20: 22,992,894 km (0.094 R)
• M21: 24,909,541 km (0.091 R)
• M22: 26,517,719 km (0.116 R)
• M23: 33,046,918 km (0.098 R)
• M24: 34,494,576 km (0.079 R)
• M25: 35,482,820 km (0.108 R)
• M26: 37,257,499 km (0.098 R)
• M27: 43,077,455 km (0.067 R)
• M28: 44,367,736 km (0.101 R)
• M29: 52,493,893 km (0.101 R)
• M30: 53,636,222 km (0.028 R)

Planet 10 - Ice Giant

Semi-Major Axis: 20.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.1

Radius: 6.2

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 18.12 AU - 23.68 AU

Year: 33427 Days

Day: 20.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,471,893 km

• M1: 77,492 km (0.059 R)
• M2: 933,042 km (0.067 R)
• M3: 1,911,412 km (0.103 R)
• M4: 5,327,779 km (0.092 R)
• M5: 6,110,325 km (0.062 R)
• M6: 6,924,586 km (0.045 R)
• M7: 8,816,401 km (0.079 R)
• M8: 12,798,995 km (0.06 R)
• M9: 13,451,242 km (0.092 R)
• M10: 14,680,787 km (0.117 R)
• M11: 29,741,104 km (0.109 R)
• M12: 32,651,231 km (0.119 R)
• M13: 35,745,663 km (0.117 R)
• M14: 36,387,139 km (0.098 R)
• M15: 43,811,980 km (0.046 R)
• M16: 45,588,904 km (0.116 R)
• M17: 49,602,465 km (0.105 R)
• M18: 56,399,744 km (0.091 R)
• M19: 58,678,119 km (0.115 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 16,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit