🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.84 AU - 1.04 AU

Year: 333 Days

Day: 34.2 Hours

Environment

Temp: 89 °C

Axial Tilt: 24.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.93 AU - 1.29 AU

Year: 427 Days

Day: 33.2 Hours

Environment

Temp: 22 °C

Axial Tilt: 10.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.94 AU - 1.54 AU

Year: 504 Days

Day: 20.7 Hours

Environment

Temp: 12 °C

Axial Tilt: 27.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 88,311,675 km

• M1: 13,763 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.33 AU - 1.71 AU

Year: 684 Days

Day: 12.6 Hours

Environment

Temp: -47 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,311,675 km

• M1: 38,147 km (0.065 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.63 AU - 3.97 AU

Year: 2706 Days

Day: 47.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.8

Radius: 10.6

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.71 AU - 5.07 AU

Year: 3950 Days

Day: 6.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,311,675 km

• M1: 132,993 km (0.105 R)
• M2: 496,665 km (0.102 R)
• M3: 1,010,683 km (0.099 R)
• M4: 1,432,699 km (0.067 R)
• M5: 2,112,472 km (0.046 R)
• M6: 2,711,013 km (0.106 R)
• M7: 3,221,889 km (0.036 R)
• M8: 3,562,673 km (0.111 R)
• M9: 5,043,094 km (0.097 R)
• M10: 5,477,077 km (0.087 R)
• M11: 7,229,467 km (0.082 R)
• M12: 7,746,926 km (0.029 R)
• M13: 9,942,125 km (0.107 R)
• M14: 10,626,236 km (0.099 R)
• M15: 11,525,319 km (0.067 R)
• M16: 12,868,259 km (0.052 R)
• M17: 14,205,963 km (0.078 R)
• M18: 14,908,625 km (0.12 R)
• M19: 16,975,768 km (0.113 R)
• M20: 23,040,615 km (0.118 R)
• M21: 23,709,318 km (0.117 R)
• M22: 24,238,296 km (0.106 R)
• M23: 25,319,739 km (0.106 R)
• M24: 26,031,825 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.6

Radius: 11

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.43 AU - 5.69 AU

Year: 4789 Days

Day: 5.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 88,311,675 km

• M1: 139,575 km (0.106 R)
• M2: 967,749 km (0.118 R)
• M3: 1,498,971 km (0.112 R)
• M4: 2,288,099 km (0.115 R)
• M5: 7,060,720 km (0.072 R)
• M6: 8,159,217 km (0.05 R)
• M7: 10,128,973 km (0.05 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54

Radius: 9

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.51 AU - 9.67 AU

Year: 9196 Days

Day: 13.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 88,311,675 km

• M1: 197,170 km (0.1 R)
• M2: 573,558 km (0.087 R)
• M3: 2,262,369 km (0.105 R)
• M4: 4,000,397 km (0.114 R)
• M5: 4,920,723 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645.6

Radius: 5.9

Gravity: 18.55 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 15.62 AU - 18.52 AU

Year: 25760 Days

Day: 23 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 88,311,675 km

• M1: 74,051 km (0.081 R)
• M2: 421,417 km (0.084 R)
• M3: 614,099 km (0.099 R)
• M4: 1,642,285 km (0.058 R)
• M5: 2,479,734 km (0.081 R)
• M6: 3,541,430 km (0.112 R)
• M7: 6,334,572 km (0.093 R)
• M8: 7,138,062 km (0.059 R)
• M9: 7,437,109 km (0.051 R)
• M10: 8,774,663 km (0.087 R)
• M11: 10,327,938 km (0.073 R)
• M12: 11,641,108 km (0.041 R)
• M13: 12,337,785 km (0.105 R)
• M14: 15,819,825 km (0.098 R)
• M15: 17,112,201 km (0.105 R)
• M16: 22,032,176 km (0.114 R)
• M17: 22,773,583 km (0.06 R)
• M18: 24,642,958 km (0.073 R)
• M19: 26,493,484 km (0.077 R)
• M20: 27,940,843 km (0.083 R)
• M21: 37,298,938 km (0.075 R)
• M22: 40,671,771 km (0.055 R)
• M23: 45,082,216 km (0.083 R)
• M24: 49,082,014 km (0.096 R)
• M25: 51,259,860 km (0.107 R)
• M26: 52,747,012 km (0.095 R)
• M27: 53,690,975 km (0.09 R)
• M28: 58,379,223 km (0.114 R)
• M29: 60,205,364 km (0.066 R)
• M30: 71,048,517 km (0.114 R)
• M31: 77,411,363 km (0.036 R)
• M32: 85,950,559 km (0.074 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 14,659 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit