🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.64 AU - 0.76 AU

Year: 222 Days

Day: 21.2 Hours

Environment

Temp: 124 °C

Axial Tilt: 28.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 105,502,536 km

• M1: 37,998 km (0.102 R)
• M2: 84,373 km (0.047 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.06 AU - 1.32 AU

Year: 492 Days

Day: 26.2 Hours

Environment

Temp: -14 °C

Axial Tilt: 9.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.35 AU - 1.75 AU

Year: 731 Days

Day: 32.1 Hours

Environment

Temp: -56 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.44 AU - 1.88 AU

Year: 810 Days

Day: 18.7 Hours

Environment

Temp: -64 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.78 AU - 4.12 AU

Year: 2973 Days

Day: 15.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.02 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 12.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731

Radius: 5.1

Gravity: 28.1 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 10.75 AU - 13.43 AU

Year: 15922 Days

Day: 17.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 105,502,536 km

• M1: 64,327 km (0.078 R)
• M2: 408,851 km (0.111 R)
• M3: 1,222,663 km (0.109 R)
• M4: 1,391,410 km (0.051 R)
• M5: 1,724,714 km (0.082 R)
• M6: 2,070,584 km (0.088 R)
• M7: 2,572,036 km (0.116 R)
• M8: 2,827,250 km (0.104 R)
• M9: 3,073,937 km (0.073 R)
• M10: 3,281,429 km (0.113 R)
• M11: 5,221,863 km (0.12 R)
• M12: 5,555,766 km (0.069 R)
• M13: 7,865,557 km (0.075 R)
• M14: 8,058,688 km (0.077 R)
• M15: 11,532,051 km (0.113 R)
• M16: 13,837,205 km (0.097 R)
• M17: 14,912,813 km (0.119 R)
• M18: 15,208,718 km (0.1 R)
• M19: 16,197,859 km (0.117 R)
• M20: 21,416,282 km (0.051 R)
• M21: 23,743,725 km (0.108 R)
• M22: 25,914,091 km (0.115 R)
• M23: 26,341,941 km (0.04 R)
• M24: 28,212,962 km (0.105 R)
• M25: 28,552,250 km (0.114 R)
• M26: 30,170,899 km (0.057 R)
• M27: 30,525,595 km (0.091 R)
• M28: 35,261,864 km (0.075 R)
• M29: 36,184,583 km (0.112 R)
• M30: 39,470,501 km (0.037 R)
• M31: 42,800,998 km (0.105 R)
• M32: 43,850,726 km (0.067 R)
• M33: 49,357,424 km (0.12 R)
• M34: 52,361,050 km (0.043 R)
• M35: 57,091,335 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.7

Radius: 5.1

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 10.63 AU - 16.65 AU

Year: 19080 Days

Day: 18.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 105,502,536 km

• M1: 168,597 km (0.112 R)
• M2: 4,781,447 km (0.084 R)
• M3: 8,086,812 km (0.094 R)
• M4: 8,579,587 km (0.058 R)
• M5: 11,602,362 km (0.064 R)
• M6: 13,893,005 km (0.089 R)
• M7: 16,018,790 km (0.107 R)
• M8: 16,339,079 km (0.117 R)
• M9: 23,761,527 km (0.108 R)
• M10: 31,726,118 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.5

Radius: 6.8

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 11.93 AU - 17.75 AU

Year: 21652 Days

Day: 19.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 105,502,536 km

• M1: 84,523 km (0.077 R)
• M2: 321,486 km (0.074 R)
• M3: 609,462 km (0.117 R)
• M4: 1,092,064 km (0.078 R)
• M5: 1,333,366 km (0.082 R)
• M6: 1,705,865 km (0.098 R)
• M7: 2,126,983 km (0.099 R)
• M8: 4,376,486 km (0.112 R)
• M9: 4,661,769 km (0.102 R)
• M10: 4,892,299 km (0.115 R)
• M11: 6,279,371 km (0.107 R)
• M12: 6,725,471 km (0.082 R)
• M13: 7,367,845 km (0.091 R)
• M14: 8,286,675 km (0.12 R)
• M15: 9,177,231 km (0.053 R)
• M16: 10,743,521 km (0.114 R)
• M17: 13,647,664 km (0.119 R)
• M18: 15,028,303 km (0.117 R)
• M19: 15,460,042 km (0.052 R)
• M20: 18,307,339 km (0.082 R)
• M21: 19,301,117 km (0.111 R)
• M22: 26,968,457 km (0.098 R)
• M23: 27,285,904 km (0.072 R)
• M24: 32,115,521 km (0.102 R)
• M25: 38,949,302 km (0.101 R)
• M26: 41,006,422 km (0.062 R)
• M27: 43,134,900 km (0.114 R)
• M28: 48,074,622 km (0.048 R)
• M29: 49,168,781 km (0.039 R)
• M30: 55,059,496 km (0.092 R)
• M31: 57,297,331 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.7

Radius: 6.5

Gravity: 18.31 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 15.46 AU - 22.02 AU

Year: 30726 Days

Day: 22.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 105,502,536 km

• M1: 80,932 km (0.094 R)
• M2: 286,779 km (0.064 R)
• M3: 655,538 km (0.089 R)
• M4: 1,728,005 km (0.061 R)
• M5: 1,976,786 km (0.091 R)
• M6: 2,202,230 km (0.075 R)
• M7: 3,161,003 km (0.089 R)
• M8: 3,375,826 km (0.044 R)
• M9: 3,699,705 km (0.112 R)
• M10: 3,973,619 km (0.089 R)
• M11: 5,165,166 km (0.081 R)
• M12: 6,238,680 km (0.055 R)
• M13: 13,417,283 km (0.099 R)
• M14: 14,564,549 km (0.03 R)
• M15: 31,646,083 km (0.063 R)
• M16: 32,215,602 km (0.115 R)
• M17: 41,429,634 km (0.115 R)
• M18: 43,147,616 km (0.106 R)
• M19: 60,141,934 km (0.092 R)
• M20: 63,236,516 km (0.105 R)
• M21: 75,659,422 km (0.11 R)
• M22: 77,189,659 km (0.108 R)
• M23: 88,483,401 km (0.1 R)
• M24: 96,594,298 km (0.116 R)
• M25: 98,999,532 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 12,265 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit