🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.67 AU - 0.75 AU

Year: 229 Days

Day: 17.6 Hours

Environment

Temp: 137 °C

Axial Tilt: 10.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.94 AU - 1.32 AU

Year: 460 Days

Day: 35.6 Hours

Environment

Temp: -21 °C

Axial Tilt: 9.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 42,745,634 km

• M1: 104,569 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.14 AU - 2.52 AU

Year: 1362 Days

Day: 26.9 Hours

Environment

Temp: -92 °C

Axial Tilt: 49.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.5 AU - 3.26 AU

Year: 1871 Days

Day: 47.4 Hours

Environment

Temp: -117 °C

Axial Tilt: 48.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.03 AU - 4.39 AU

Year: 2736 Days

Day: 13.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3 AU - 4.46 AU

Year: 2758 Days

Day: 44.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 119.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,745,634 km

• M1: 36,352 km (0.102 R)

Asteroid Belt

Center: 4.34 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.5

Radius: 9

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.3 AU - 5.58 AU

Year: 4204 Days

Day: 10.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,745,634 km

• M1: 111,899 km (0.114 R)
• M2: 500,106 km (0.09 R)
• M3: 1,157,289 km (0.105 R)
• M4: 1,727,855 km (0.081 R)
• M5: 2,489,608 km (0.075 R)
• M6: 2,939,000 km (0.115 R)
• M7: 3,713,917 km (0.117 R)
• M8: 4,640,825 km (0.118 R)
• M9: 4,928,801 km (0.041 R)
• M10: 5,299,804 km (0.082 R)
• M11: 6,336,218 km (0.109 R)
• M12: 6,663,837 km (0.028 R)
• M13: 7,031,399 km (0.084 R)
• M14: 8,705,399 km (0.119 R)
• M15: 10,553,980 km (0.094 R)
• M16: 12,607,361 km (0.087 R)
• M17: 13,302,991 km (0.119 R)
• M18: 14,161,982 km (0.079 R)
• M19: 14,487,656 km (0.096 R)
• M20: 15,543,817 km (0.062 R)
• M21: 17,065,676 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.7

Radius: 8

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5 AU - 8.18 AU

Year: 6477 Days

Day: 10.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,745,634 km

• M1: 100,380 km (0.081 R)
• M2: 417,976 km (0.06 R)
• M3: 747,241 km (0.071 R)
• M4: 997,219 km (0.118 R)
• M5: 1,293,274 km (0.078 R)
• M6: 1,648,120 km (0.103 R)
• M7: 2,036,027 km (0.083 R)
• M8: 3,419,209 km (0.081 R)
• M9: 5,281,254 km (0.107 R)
• M10: 6,497,335 km (0.089 R)
• M11: 8,491,175 km (0.059 R)
• M12: 9,515,921 km (0.08 R)
• M13: 10,764,764 km (0.07 R)
• M14: 12,810,664 km (0.118 R)
• M15: 13,138,583 km (0.104 R)
• M16: 15,591,988 km (0.118 R)
• M17: 17,255,217 km (0.07 R)
• M18: 21,232,875 km (0.076 R)
• M19: 25,695,678 km (0.107 R)
• M20: 29,308,467 km (0.098 R)
• M21: 32,432,070 km (0.059 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.5

Radius: 8.7

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 9.45 AU - 11.19 AU

Year: 12694 Days

Day: 5.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,745,634 km

• M1: 108,309 km (0.099 R)
• M2: 459,565 km (0.114 R)
• M3: 782,397 km (0.109 R)
• M4: 1,270,984 km (0.112 R)
• M5: 1,874,312 km (0.086 R)
• M6: 2,503,670 km (0.037 R)
• M7: 3,569,555 km (0.077 R)
• M8: 6,068,886 km (0.11 R)
• M9: 7,556,039 km (0.033 R)
• M10: 7,921,506 km (0.079 R)
• M11: 8,213,970 km (0.116 R)
• M12: 9,180,373 km (0.077 R)
• M13: 10,618,008 km (0.114 R)
• M14: 11,817,484 km (0.049 R)
• M15: 15,433,115 km (0.101 R)
• M16: 16,022,530 km (0.082 R)
• M17: 17,246,241 km (0.057 R)
• M18: 20,576,290 km (0.065 R)
• M19: 23,274,736 km (0.111 R)
• M20: 29,863,325 km (0.102 R)
• M21: 39,870,824 km (0.081 R)
• M22: 40,607,893 km (0.106 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: 202 - 13,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit