🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.75 AU - 0.89 AU

Year: 336 Days

Day: 26.8 Hours

Environment

Temp: -54 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 63,642,081 km

• M1: 113,844 km (0.108 R)
• M2: 778,956 km (0.066 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.75 AU - 1.17 AU

Year: 426 Days

Day: 21.7 Hours

Environment

Temp: -74 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,642,081 km

• M1: 42,785 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.11 AU - 1.67 AU

Year: 742 Days

Day: 28.7 Hours

Environment

Temp: -96 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,642,081 km

• M1: 165,306 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.2

Radius: 10.1

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.13 AU - 3.15 AU

Year: 2521 Days

Day: 12.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,642,081 km

• M1: 125,961 km (0.08 R)
• M2: 558,150 km (0.118 R)
• M3: 1,053,767 km (0.113 R)
• M4: 1,373,009 km (0.119 R)
• M5: 1,789,041 km (0.06 R)
• M6: 2,708,619 km (0.097 R)
• M7: 3,289,956 km (0.116 R)
• M8: 4,043,930 km (0.082 R)
• M9: 4,442,458 km (0.054 R)
• M10: 5,100,240 km (0.089 R)
• M11: 5,727,803 km (0.111 R)
• M12: 6,481,926 km (0.116 R)
• M13: 7,056,382 km (0.108 R)
• M14: 7,383,702 km (0.104 R)
• M15: 7,778,491 km (0.08 R)
• M16: 8,890,153 km (0.116 R)
• M17: 9,866,877 km (0.049 R)
• M18: 10,591,978 km (0.054 R)
• M19: 11,688,979 km (0.1 R)
• M20: 12,540,341 km (0.098 R)
• M21: 13,432,692 km (0.059 R)
• M22: 14,453,697 km (0.091 R)
• M23: 14,893,964 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.9

Radius: 10.1

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.31 AU - 7.13 AU

Year: 6198 Days

Day: 7.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,642,081 km

• M1: 128,654 km (0.111 R)
• M2: 663,616 km (0.114 R)
• M3: 1,234,930 km (0.098 R)
• M4: 1,630,916 km (0.101 R)
• M5: 2,819,471 km (0.114 R)
• M6: 3,165,192 km (0.042 R)
• M7: 3,539,186 km (0.105 R)
• M8: 4,017,152 km (0.094 R)
• M9: 4,376,935 km (0.078 R)
• M10: 4,730,285 km (0.068 R)
• M11: 6,339,210 km (0.073 R)
• M12: 7,045,910 km (0.029 R)
• M13: 7,843,716 km (0.096 R)
• M14: 9,261,455 km (0.113 R)
• M15: 10,171,458 km (0.065 R)
• M16: 11,239,886 km (0.11 R)
• M17: 12,328,211 km (0.095 R)
• M18: 12,925,555 km (0.066 R)
• M19: 13,944,466 km (0.098 R)
• M20: 17,255,965 km (0.073 R)
• M21: 18,141,734 km (0.092 R)
• M22: 19,563,512 km (0.105 R)
• M23: 23,522,919 km (0.117 R)
• M24: 24,357,525 km (0.044 R)
• M25: 24,867,654 km (0.108 R)
• M26: 25,821,340 km (0.049 R)
• M27: 26,799,411 km (0.107 R)
• M28: 27,251,945 km (0.059 R)
• M29: 33,296,148 km (0.114 R)
• M30: 36,628,739 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255

Radius: 14.1

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.59 AU - 6.97 AU

Year: 6295 Days

Day: 8.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,642,081 km

• M1: 208,839 km (0.064 R)
• M2: 847,771 km (0.073 R)
• M3: 1,408,464 km (0.085 R)
• M4: 2,274,486 km (0.084 R)
• M5: 2,770,104 km (0.115 R)
• M6: 3,226,078 km (0.118 R)
• M7: 3,711,972 km (0.116 R)
• M8: 4,568,869 km (0.078 R)
• M9: 5,420,380 km (0.068 R)
• M10: 6,257,380 km (0.069 R)
• M11: 6,830,938 km (0.093 R)
• M12: 7,605,705 km (0.025 R)
• M13: 10,914,511 km (0.119 R)
• M14: 11,838,278 km (0.095 R)
• M15: 13,296,408 km (0.099 R)
• M16: 14,505,309 km (0.089 R)
• M17: 15,786,315 km (0.073 R)
• M18: 19,317,723 km (0.115 R)
• M19: 20,276,795 km (0.119 R)
• M20: 20,801,135 km (0.074 R)
• M21: 22,778,221 km (0.039 R)
• M22: 24,213,014 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.5

Radius: 5

Gravity: 14.9 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 10.41 AU - 15.19 AU

Year: 20747 Days

Day: 21.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,642,081 km

• M1: 62,682 km (0.052 R)
• M2: 505,192 km (0.087 R)
• M3: 720,912 km (0.063 R)
• M4: 1,116,449 km (0.113 R)
• M5: 1,596,808 km (0.083 R)
• M6: 2,367,835 km (0.09 R)
• M7: 3,230,716 km (0.108 R)
• M8: 4,100,926 km (0.095 R)
• M9: 4,874,347 km (0.111 R)
• M10: 12,339,431 km (0.111 R)
• M11: 17,603,481 km (0.118 R)
• M12: 19,616,021 km (0.108 R)
• M13: 20,319,430 km (0.095 R)
• M14: 21,498,411 km (0.07 R)
• M15: 21,683,763 km (0.028 R)
• M16: 22,818,163 km (0.089 R)
• M17: 23,399,949 km (0.117 R)
• M18: 23,892,276 km (0.106 R)
• M19: 25,617,887 km (0.115 R)
• M20: 26,884,981 km (0.113 R)
• M21: 32,008,559 km (0.096 R)
• M22: 38,696,182 km (0.12 R)
• M23: 40,080,860 km (0.026 R)
• M24: 41,211,969 km (0.068 R)
• M25: 43,686,169 km (0.103 R)
• M26: 48,928,078 km (0.096 R)
• M27: 54,746,388 km (0.101 R)
• M28: 55,092,109 km (0.117 R)
• M29: 58,269,418 km (0.047 R)
• M30: 61,194,505 km (0.109 R)
• M31: 62,316,190 km (0.117 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 12,384 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit