🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.71 AU - 0.83 AU

Year: 249 Days

Day: 46.5 Hours

Environment

Temp: 153 °C

Axial Tilt: 37.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 90,641,460 km

• M1: 34,707 km (0.1 R)
• M2: 41,289 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.11 AU - 1.15 AU

Year: 443 Days

Day: 14.8 Hours

Environment

Temp: 17 °C

Axial Tilt: 22.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.09 AU - 1.79 AU

Year: 638 Days

Day: 13.3 Hours

Environment

Temp: -26 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.16 AU - 1.74 AU

Year: 644 Days

Day: 19.4 Hours

Environment

Temp: -30 °C

Axial Tilt: 156.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,641,460 km

• M1: 157,975 km (0.108 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.17 AU - 1.85 AU

Year: 685 Days

Day: 17.5 Hours

Environment

Temp: -39 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.84 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.63 AU - 2.71 AU

Year: 1179 Days

Day: 38.2 Hours

Environment

Temp: -75 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,641,460 km

• M1: 284,236 km (0.109 R)

Asteroid Belt

Center: 5.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.1

Radius: 14.7

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.96 AU - 9.26 AU

Year: 10145 Days

Day: 6.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,641,460 km

• M1: 187,895 km (0.098 R)
• M2: 915,090 km (0.057 R)
• M3: 1,562,251 km (0.098 R)
• M4: 2,034,980 km (0.111 R)
• M5: 3,190,923 km (0.086 R)
• M6: 5,465,259 km (0.096 R)
• M7: 8,668,000 km (0.034 R)
• M8: 9,500,512 km (0.046 R)
• M9: 13,194,682 km (0.098 R)
• M10: 14,171,705 km (0.1 R)
• M11: 15,794,244 km (0.118 R)
• M12: 17,755,173 km (0.075 R)
• M13: 21,239,756 km (0.108 R)
• M14: 22,325,837 km (0.099 R)
• M15: 27,043,256 km (0.083 R)
• M16: 29,123,863 km (0.112 R)
• M17: 30,568,829 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.6

Radius: 7.6

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 13.91 AU - 17.03 AU

Year: 22450 Days

Day: 16.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,641,460 km

• M1: 95,892 km (0.118 R)
• M2: 589,864 km (0.115 R)
• M3: 1,002,605 km (0.102 R)
• M4: 1,310,328 km (0.027 R)
• M5: 2,179,192 km (0.118 R)
• M6: 3,814,297 km (0.098 R)
• M7: 5,023,945 km (0.11 R)
• M8: 7,452,816 km (0.11 R)
• M9: 10,105,037 km (0.101 R)
• M10: 10,512,392 km (0.115 R)
• M11: 11,547,310 km (0.105 R)
• M12: 12,252,365 km (0.109 R)
• M13: 19,848,945 km (0.061 R)
• M14: 23,789,203 km (0.079 R)
• M15: 26,431,401 km (0.098 R)
• M16: 27,766,562 km (0.106 R)
• M17: 28,450,673 km (0.079 R)
• M18: 28,912,930 km (0.092 R)
• M19: 33,686,598 km (0.025 R)
• M20: 34,074,206 km (0.069 R)
• M21: 34,464,806 km (0.119 R)
• M22: 35,387,676 km (0.085 R)
• M23: 37,836,593 km (0.114 R)
• M24: 42,917,385 km (0.085 R)
• M25: 46,174,280 km (0.056 R)
• M26: 49,425,790 km (0.083 R)
• M27: 56,018,269 km (0.118 R)
• M28: 58,401,513 km (0.107 R)
• M29: 63,960,121 km (0.114 R)
• M30: 64,356,106 km (0.044 R)
• M31: 66,969,132 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770

Radius: 4.7

Gravity: 34.86 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 14.97 AU - 17.85 AU

Year: 24527 Days

Day: 16.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 85.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,641,460 km

• M1: 58,493 km (0.105 R)
• M2: 239,656 km (0.087 R)
• M3: 709,692 km (0.101 R)
• M4: 958,773 km (0.047 R)
• M5: 1,326,335 km (0.117 R)
• M6: 2,199,837 km (0.113 R)
• M7: 2,383,992 km (0.086 R)
• M8: 2,578,319 km (0.111 R)
• M9: 2,730,909 km (0.111 R)
• M10: 3,225,779 km (0.061 R)
• M11: 4,391,296 km (0.046 R)
• M12: 4,609,709 km (0.102 R)
• M13: 4,989,837 km (0.084 R)
• M14: 7,061,319 km (0.084 R)
• M15: 8,933,087 km (0.098 R)
• M16: 9,166,011 km (0.109 R)
• M17: 12,795,106 km (0.117 R)
• M18: 13,016,810 km (0.09 R)
• M19: 13,851,865 km (0.036 R)
• M20: 15,460,342 km (0.118 R)
• M21: 19,919,405 km (0.09 R)
• M22: 24,591,945 km (0.109 R)
• M23: 27,547,102 km (0.1 R)
• M24: 28,040,924 km (0.114 R)
• M25: 28,290,005 km (0.111 R)
• M26: 29,945,305 km (0.085 R)
• M27: 30,730,694 km (0.118 R)
• M28: 32,753,855 km (0.069 R)
• M29: 37,063,321 km (0.092 R)
• M30: 37,513,910 km (0.103 R)
• M31: 41,412,580 km (0.108 R)
• M32: 50,737,464 km (0.091 R)
• M33: 51,293,071 km (0.105 R)
• M34: 57,875,527 km (0.064 R)
• M35: 77,232,594 km (0.033 R)
• M36: 79,950,338 km (0.071 R)
• M37: 88,752,527 km (0.088 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: 258 - 14,152 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit