🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.48 AU - 0.58 AU

Year: 142 Days

Day: 43.3 Hours

Environment

Temp: 249 °C

Axial Tilt: 23.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.5 AU - 0.62 AU

Year: 155 Days

Day: 37 Hours

Environment

Temp: 182 °C

Axial Tilt: 7.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.35 AU - 1.91 AU

Year: 768 Days

Day: 22.7 Hours

Environment

Temp: -50 °C

Axial Tilt: 47.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,177,980 km

• M1: 233,073 km (0.066 R)

Asteroid Belt

Center: 3.21 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.7

Radius: 9.8

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.54 AU - 5.04 AU

Year: 3868 Days

Day: 12.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,177,980 km

• M1: 121,922 km (0.12 R)
• M2: 606,619 km (0.109 R)
• M3: 1,113,158 km (0.047 R)
• M4: 1,433,746 km (0.106 R)
• M5: 1,969,905 km (0.12 R)
• M6: 2,584,303 km (0.065 R)
• M7: 3,216,653 km (0.029 R)
• M8: 3,797,392 km (0.108 R)
• M9: 5,355,305 km (0.093 R)
• M10: 5,676,940 km (0.072 R)
• M11: 7,589,998 km (0.062 R)
• M12: 8,824,479 km (0.091 R)
• M13: 9,305,137 km (0.067 R)
• M14: 9,994,335 km (0.053 R)
• M15: 11,022,970 km (0.091 R)
• M16: 12,230,524 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.5

Radius: 13.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.47 AU - 6.75 AU

Year: 4903 Days

Day: 14.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,177,980 km

• M1: 164,109 km (0.03 R)
• M2: 590,612 km (0.054 R)
• M3: 1,518,418 km (0.08 R)
• M4: 2,228,559 km (0.097 R)
• M5: 4,100,328 km (0.057 R)
• M6: 7,509,813 km (0.044 R)
• M7: 10,997,987 km (0.114 R)
• M8: 12,293,355 km (0.084 R)
• M9: 12,747,085 km (0.066 R)
• M10: 15,031,145 km (0.092 R)
• M11: 18,801,460 km (0.044 R)

Asteroid Belt

Center: 6.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670

Radius: 9.3

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.08 AU - 9.02 AU

Year: 7654 Days

Day: 5.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,177,980 km

• M1: 117,434 km (0.096 R)
• M2: 423,811 km (0.055 R)
• M3: 923,318 km (0.055 R)
• M4: 2,175,751 km (0.112 R)
• M5: 2,733,303 km (0.115 R)
• M6: 4,505,888 km (0.09 R)
• M7: 4,872,403 km (0.097 R)
• M8: 5,794,674 km (0.091 R)
• M9: 7,781,333 km (0.105 R)
• M10: 13,099,986 km (0.108 R)
• M11: 17,749,039 km (0.096 R)
• M12: 22,083,787 km (0.116 R)
• M13: 22,896,253 km (0.093 R)
• M14: 23,393,367 km (0.051 R)
• M15: 24,927,643 km (0.106 R)
• M16: 26,801,207 km (0.061 R)
• M17: 30,626,125 km (0.119 R)
• M18: 33,616,736 km (0.101 R)
• M19: 34,474,829 km (0.099 R)
• M20: 35,127,824 km (0.094 R)
• M21: 37,364,312 km (0.052 R)
• M22: 39,575,518 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 502.8

Radius: 7.3

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 12.72 AU - 14.9 AU

Year: 18935 Days

Day: 15.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,177,980 km

• M1: 96,790 km (0.066 R)
• M2: 332,107 km (0.035 R)
• M3: 1,362,837 km (0.108 R)
• M4: 1,669,512 km (0.095 R)
• M5: 1,911,113 km (0.118 R)
• M6: 2,317,869 km (0.119 R)
• M7: 3,384,353 km (0.066 R)
• M8: 4,163,758 km (0.052 R)
• M9: 4,480,905 km (0.118 R)
• M10: 5,057,306 km (0.1 R)
• M11: 6,996,094 km (0.115 R)
• M12: 7,537,339 km (0.118 R)
• M13: 8,253,015 km (0.117 R)
• M14: 10,555,027 km (0.12 R)
• M15: 11,511,257 km (0.114 R)
• M16: 12,985,245 km (0.102 R)
• M17: 14,508,899 km (0.062 R)
• M18: 15,538,282 km (0.117 R)
• M19: 19,438,149 km (0.079 R)
• M20: 20,506,128 km (0.109 R)
• M21: 21,239,606 km (0.105 R)
• M22: 22,468,553 km (0.071 R)
• M23: 25,589,165 km (0.104 R)
• M24: 37,064,967 km (0.111 R)
• M25: 39,121,190 km (0.098 R)
• M26: 39,823,103 km (0.11 R)
• M27: 44,821,018 km (0.12 R)
• M28: 47,469,798 km (0.082 R)
• M29: 49,401,256 km (0.112 R)
• M30: 53,937,363 km (0.11 R)
• M31: 54,457,814 km (0.032 R)
• M32: 56,752,346 km (0.104 R)
• M33: 58,378,026 km (0.108 R)
• M34: 63,056,250 km (0.119 R)
• M35: 65,388,033 km (0.104 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 16,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit