🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.71 AU - 0.73 AU

Year: 259 Days

Day: 14.4 Hours

Environment

Temp: -10 °C

Axial Tilt: 29.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.76 AU - 0.8 AU

Year: 292 Days

Day: 21 Hours

Environment

Temp: -0 °C

Axial Tilt: 7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 84,068,383 km

• M1: 757,115 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.08 AU - 1.2 AU

Year: 517 Days

Day: 47.8 Hours

Environment

Temp: -61 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.36 AU - 1.92 AU

Year: 892 Days

Day: 15.9 Hours

Environment

Temp: -100 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.06 AU - 2.46 AU

Year: 1443 Days

Day: 16.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583

Radius: 9.7

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.78 AU - 4.52 AU

Year: 3590 Days

Day: 15 Hours

Environment

Temp: -154 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,068,383 km

• M1: 122,371 km (0.084 R)
• M2: 452,234 km (0.103 R)
• M3: 1,001,857 km (0.104 R)
• M4: 1,527,245 km (0.114 R)
• M5: 1,999,226 km (0.092 R)
• M6: 2,327,593 km (0.04 R)
• M7: 3,095,030 km (0.096 R)
• M8: 3,404,249 km (0.086 R)
• M9: 3,815,194 km (0.059 R)
• M10: 4,237,060 km (0.087 R)
• M11: 4,855,797 km (0.111 R)
• M12: 5,429,356 km (0.118 R)
• M13: 6,301,960 km (0.111 R)
• M14: 6,652,318 km (0.115 R)
• M15: 6,954,207 km (0.034 R)
• M16: 7,392,229 km (0.045 R)
• M17: 7,881,863 km (0.086 R)
• M18: 8,639,127 km (0.111 R)
• M19: 9,219,717 km (0.061 R)
• M20: 9,633,953 km (0.089 R)
• M21: 11,203,085 km (0.105 R)
• M22: 11,718,450 km (0.109 R)
• M23: 12,204,643 km (0.107 R)
• M24: 12,982,552 km (0.08 R)
• M25: 14,637,104 km (0.088 R)
• M26: 15,726,775 km (0.112 R)
• M27: 17,432,789 km (0.069 R)
• M28: 18,596,960 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.1

Radius: 5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 10.81 AU - 12.75 AU

Year: 17167 Days

Day: 17.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,068,383 km

• M1: 62,233 km (0.094 R)
• M2: 325,974 km (0.076 R)
• M3: 541,095 km (0.055 R)
• M4: 1,200,972 km (0.108 R)
• M5: 2,256,534 km (0.111 R)
• M6: 2,787,756 km (0.072 R)
• M7: 5,892,211 km (0.118 R)
• M8: 6,782,468 km (0.117 R)
• M9: 9,216,874 km (0.052 R)
• M10: 14,017,320 km (0.052 R)
• M11: 14,549,440 km (0.075 R)
• M12: 21,475,971 km (0.102 R)
• M13: 23,312,734 km (0.1 R)
• M14: 27,386,882 km (0.064 R)
• M15: 29,065,071 km (0.055 R)
• M16: 30,026,387 km (0.102 R)
• M17: 31,407,624 km (0.069 R)
• M18: 34,084,080 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.5

Radius: 7

Gravity: 15.38 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 11.87 AU - 16.05 AU

Year: 22146 Days

Day: 22.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 84,068,383 km

• M1: 87,964 km (0.116 R)
• M2: 645,066 km (0.115 R)
• M3: 1,031,029 km (0.109 R)
• M4: 1,352,514 km (0.083 R)
• M5: 1,614,759 km (0.119 R)
• M6: 1,930,561 km (0.065 R)
• M7: 2,221,229 km (0.062 R)
• M8: 2,838,919 km (0.104 R)
• M9: 3,505,677 km (0.079 R)
• M10: 4,170,789 km (0.104 R)
• M11: 4,658,926 km (0.106 R)
• M12: 4,916,983 km (0.113 R)
• M13: 5,184,613 km (0.053 R)
• M14: 6,046,148 km (0.07 R)
• M15: 8,208,286 km (0.111 R)
• M16: 8,585,571 km (0.111 R)
• M17: 8,862,028 km (0.1 R)
• M18: 13,311,069 km (0.115 R)
• M19: 18,869,378 km (0.114 R)
• M20: 22,832,525 km (0.06 R)
• M21: 25,120,026 km (0.031 R)
• M22: 27,198,688 km (0.111 R)
• M23: 29,639,677 km (0.059 R)
• M24: 34,812,771 km (0.049 R)
• M25: 35,234,038 km (0.068 R)
• M26: 39,179,084 km (0.096 R)
• M27: 39,787,498 km (0.053 R)
• M28: 44,883,700 km (0.03 R)
• M29: 47,760,167 km (0.1 R)
• M30: 53,877,374 km (0.118 R)
• M31: 59,491,034 km (0.061 R)
• M32: 61,309,396 km (0.077 R)
• M33: 66,339,026 km (0.095 R)
• M34: 70,510,563 km (0.083 R)
• M35: 80,590,318 km (0.039 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 15,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit