🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.53 AU - 0.87 AU

Year: 219 Days

Day: 38.1 Hours

Environment

Temp: 99 °C

Axial Tilt: 13.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.05 AU - 1.27 AU

Year: 468 Days

Day: 43.6 Hours

Environment

Temp: -1 °C

Axial Tilt: 2.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.06 AU - 1.36 AU

Year: 499 Days

Day: 46.6 Hours

Environment

Temp: 2 °C

Axial Tilt: 8.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.11 AU - 2.25 AU

Year: 1206 Days

Day: 36 Hours

Environment

Temp: -91 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.83 AU - 4.03 AU

Year: 2920 Days

Day: 27.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.6

Radius: 14.5

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.36 AU - 8.36 AU

Year: 8258 Days

Day: 6.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,197,620 km

• M1: 180,265 km (0.059 R)
• M2: 693,835 km (0.101 R)
• M3: 1,324,988 km (0.099 R)
• M4: 1,804,898 km (0.111 R)
• M5: 2,402,991 km (0.108 R)
• M6: 3,028,459 km (0.105 R)
• M7: 5,096,051 km (0.106 R)
• M8: 5,743,212 km (0.09 R)
• M9: 6,272,639 km (0.082 R)
• M10: 8,768,679 km (0.03 R)
• M11: 9,382,928 km (0.075 R)
• M12: 10,796,478 km (0.12 R)
• M13: 11,297,930 km (0.083 R)
• M14: 12,239,948 km (0.111 R)
• M15: 12,785,532 km (0.119 R)
• M16: 14,460,280 km (0.081 R)
• M17: 17,071,959 km (0.106 R)
• M18: 19,984,181 km (0.115 R)
• M19: 21,994,029 km (0.062 R)
• M20: 27,789,749 km (0.107 R)
• M21: 33,567,668 km (0.104 R)
• M22: 35,402,187 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.9

Radius: 3.5

Gravity: 68.89 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 12.11 AU - 12.11 AU

Year: 15792 Days

Day: 18.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 88,197,620 km

• M1: 44,580 km (0.032 R)
• M2: 318,195 km (0.092 R)
• M3: 442,959 km (0.089 R)
• M4: 661,223 km (0.109 R)
• M5: 805,435 km (0.072 R)
• M6: 947,254 km (0.08 R)
• M7: 1,092,962 km (0.055 R)
• M8: 1,414,298 km (0.092 R)
• M9: 2,390,275 km (0.047 R)
• M10: 2,638,308 km (0.12 R)
• M11: 2,804,810 km (0.101 R)
• M12: 3,212,165 km (0.069 R)
• M13: 3,402,155 km (0.105 R)
• M14: 4,433,931 km (0.037 R)
• M15: 6,263,364 km (0.076 R)
• M16: 7,554,244 km (0.067 R)
• M17: 11,503,927 km (0.046 R)
• M18: 11,756,747 km (0.032 R)
• M19: 12,603,920 km (0.078 R)
• M20: 12,737,810 km (0.103 R)
• M21: 16,321,576 km (0.117 R)
• M22: 28,839,178 km (0.041 R)
• M23: 30,253,177 km (0.12 R)
• M24: 30,613,858 km (0.058 R)
• M25: 32,084,854 km (0.063 R)
• M26: 34,118,637 km (0.066 R)
• M27: 37,052,999 km (0.044 R)
• M28: 47,988,304 km (0.05 R)
• M29: 48,807,353 km (0.086 R)
• M30: 49,469,323 km (0.093 R)
• M31: 53,918,513 km (0.073 R)
• M32: 54,803,534 km (0.071 R)
• M33: 56,421,136 km (0.09 R)
• M34: 61,464,230 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428

Radius: 6.5

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 14.65 AU - 23.79 AU

Year: 31576 Days

Day: 16.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 171.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 88,197,620 km

• M1: 127,607 km (0.089 R)
• M2: 586,274 km (0.104 R)
• M3: 796,459 km (0.081 R)
• M4: 1,195,437 km (0.05 R)
• M5: 1,758,074 km (0.081 R)
• M6: 2,705,926 km (0.105 R)
• M7: 2,914,466 km (0.057 R)
• M8: 3,133,776 km (0.092 R)
• M9: 3,605,608 km (0.111 R)
• M10: 4,330,559 km (0.113 R)
• M11: 5,307,882 km (0.112 R)
• M12: 7,535,843 km (0.103 R)
• M13: 10,384,336 km (0.082 R)
• M14: 11,907,691 km (0.092 R)
• M15: 14,901,743 km (0.12 R)
• M16: 15,721,988 km (0.063 R)
• M17: 16,485,536 km (0.064 R)
• M18: 26,111,261 km (0.066 R)
• M19: 29,534,360 km (0.069 R)
• M20: 35,932,810 km (0.09 R)
• M21: 37,106,555 km (0.108 R)
• M22: 38,609,565 km (0.084 R)
• M23: 44,022,614 km (0.094 R)
• M24: 64,104,034 km (0.052 R)
• M25: 69,144,734 km (0.06 R)
• M26: 69,821,066 km (0.074 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 16,596 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit