🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.44 AU - 0.62 AU

Year: 137 Days

Day: 24.6 Hours

Environment

Temp: 184 °C

Axial Tilt: 3.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.52 AU - 0.7 AU

Year: 169 Days

Day: 22.3 Hours

Environment

Temp: 225 °C

Axial Tilt: 31.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,643,236 km

• M1: 32,014 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.83 AU - 0.87 AU

Year: 278 Days

Day: 41.1 Hours

Environment

Temp: 168 °C

Axial Tilt: 22.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 55,643,236 km

• M1: 50,564 km (0.088 R)
• M2: 376,687 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.18 AU - 1.76 AU

Year: 632 Days

Day: 30 Hours

Environment

Temp: -21 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.67 AU - 3.21 AU

Year: 1788 Days

Day: 36.3 Hours

Environment

Temp: -99 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.5

Radius: 8.7

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5 AU - 5.92 AU

Year: 4526 Days

Day: 8 Hours

Environment

Temp: -146 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,643,236 km

• M1: 108,159 km (0.045 R)
• M2: 449,392 km (0.068 R)
• M3: 737,069 km (0.112 R)
• M4: 1,018,612 km (0.114 R)
• M5: 1,427,612 km (0.087 R)
• M6: 1,708,557 km (0.045 R)
• M7: 2,245,913 km (0.081 R)
• M8: 2,562,911 km (0.114 R)
• M9: 3,038,482 km (0.108 R)
• M10: 4,259,799 km (0.099 R)
• M11: 5,551,876 km (0.105 R)
• M12: 6,015,630 km (0.077 R)
• M13: 7,120,709 km (0.091 R)
• M14: 10,103,391 km (0.079 R)
• M15: 10,751,300 km (0.073 R)
• M16: 11,472,661 km (0.054 R)
• M17: 12,273,907 km (0.114 R)
• M18: 16,789,818 km (0.041 R)
• M19: 21,241,850 km (0.119 R)
• M20: 22,812,030 km (0.099 R)
• M21: 24,001,482 km (0.084 R)
• M22: 26,503,656 km (0.117 R)
• M23: 26,909,815 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.4

Radius: 10.9

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.06 AU - 9.26 AU

Year: 8269 Days

Day: 14.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,643,236 km

• M1: 135,984 km (0.066 R)
• M2: 477,217 km (0.054 R)
• M3: 1,186,012 km (0.093 R)
• M4: 1,736,682 km (0.104 R)
• M5: 2,305,902 km (0.069 R)
• M6: 2,765,466 km (0.049 R)
• M7: 3,743,238 km (0.116 R)
• M8: 4,107,210 km (0.095 R)
• M9: 5,280,206 km (0.064 R)
• M10: 5,944,720 km (0.086 R)
• M11: 6,739,085 km (0.093 R)
• M12: 8,019,044 km (0.092 R)
• M13: 9,126,816 km (0.113 R)
• M14: 9,790,283 km (0.07 R)
• M15: 10,587,490 km (0.064 R)
• M16: 14,465,964 km (0.112 R)
• M17: 16,375,731 km (0.108 R)
• M18: 17,642,526 km (0.112 R)
• M19: 19,897,265 km (0.099 R)
• M20: 22,422,327 km (0.073 R)
• M21: 27,125,684 km (0.109 R)
• M22: 29,198,512 km (0.046 R)
• M23: 31,480,927 km (0.102 R)
• M24: 32,231,460 km (0.1 R)
• M25: 34,103,976 km (0.06 R)
• M26: 37,703,151 km (0.096 R)
• M27: 39,905,382 km (0.095 R)
• M28: 40,406,086 km (0.063 R)
• M29: 42,062,583 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260

Radius: 5.2

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 12.21 AU - 17.49 AU

Year: 20301 Days

Day: 21.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,643,236 km

• M1: 64,776 km (0.113 R)
• M2: 248,482 km (0.046 R)
• M3: 601,683 km (0.082 R)
• M4: 767,736 km (0.086 R)
• M5: 1,041,500 km (0.064 R)
• M6: 1,364,781 km (0.037 R)
• M7: 2,135,510 km (0.117 R)
• M8: 2,593,429 km (0.069 R)
• M9: 2,789,551 km (0.116 R)
• M10: 3,114,328 km (0.103 R)
• M11: 3,489,969 km (0.118 R)
• M12: 4,576,648 km (0.071 R)
• M13: 4,962,311 km (0.091 R)
• M14: 6,172,857 km (0.027 R)
• M15: 9,161,074 km (0.077 R)
• M16: 9,982,816 km (0.106 R)
• M17: 10,630,724 km (0.113 R)
• M18: 10,964,926 km (0.076 R)
• M19: 11,537,437 km (0.072 R)
• M20: 13,246,592 km (0.112 R)
• M21: 14,840,109 km (0.079 R)
• M22: 16,189,033 km (0.091 R)
• M23: 18,481,919 km (0.116 R)
• M24: 22,133,005 km (0.073 R)
• M25: 23,046,001 km (0.095 R)
• M26: 25,835,552 km (0.041 R)
• M27: 26,035,864 km (0.112 R)
• M28: 27,780,474 km (0.11 R)
• M29: 33,836,794 km (0.099 R)
• M30: 34,559,502 km (0.091 R)
• M31: 36,789,707 km (0.067 R)
• M32: 40,581,414 km (0.093 R)
• M33: 42,362,676 km (0.113 R)
• M34: 49,236,998 km (0.111 R)
• M35: 51,895,801 km (0.062 R)

Kuiper Belt

Range: 30.9 - 47.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 18,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit