🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.4 AU - 0.64 AU

Year: 144 Days

Day: 23 Hours

Environment

Temp: 173 °C

Axial Tilt: 15.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 44,329,285 km

• M1: 33,510 km (0.04 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.63 AU - 0.83 AU

Year: 239 Days

Day: 23.5 Hours

Environment

Temp: 80 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 44,329,285 km

• M1: 70,461 km (0.072 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.79 AU - 1.09 AU

Year: 349 Days

Day: 27.7 Hours

Environment

Temp: 18 °C

Axial Tilt: 15.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 44,329,285 km

• M1: 196,123 km (0.066 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.71 AU - 2.15 AU

Year: 1027 Days

Day: 19.8 Hours

Environment

Temp: -74 °C

Axial Tilt: 46.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.73 AU - 2.69 AU

Year: 1258 Days

Day: 17.5 Hours

Environment

Temp: -97 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.05 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.3 AU - 4.48 AU

Year: 2938 Days

Day: 26.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,329,285 km

• M1: 818,600 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.9

Radius: 13.2

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.02 AU - 4.32 AU

Year: 3260 Days

Day: 12.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,329,285 km

• M1: 164,258 km (0.04 R)
• M2: 592,258 km (0.11 R)
• M3: 1,067,381 km (0.087 R)
• M4: 2,305,154 km (0.057 R)
• M5: 2,817,676 km (0.089 R)
• M6: 3,514,802 km (0.067 R)
• M7: 3,974,666 km (0.108 R)
• M8: 5,040,102 km (0.057 R)
• M9: 7,028,706 km (0.085 R)
• M10: 8,281,589 km (0.06 R)
• M11: 8,719,461 km (0.119 R)
• M12: 9,531,928 km (0.029 R)
• M13: 11,472,511 km (0.118 R)
• M14: 12,145,851 km (0.105 R)
• M15: 13,205,004 km (0.116 R)
• M16: 15,305,657 km (0.088 R)
• M17: 17,021,246 km (0.032 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.9

Radius: 10.6

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.46 AU - 5.02 AU

Year: 3343 Days

Day: 9.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,329,285 km

• M1: 141,520 km (0.1 R)
• M2: 499,208 km (0.11 R)
• M3: 905,366 km (0.082 R)
• M4: 1,248,095 km (0.079 R)
• M5: 2,182,035 km (0.093 R)
• M6: 2,560,966 km (0.109 R)
• M7: 3,141,106 km (0.093 R)
• M8: 4,427,798 km (0.08 R)
• M9: 6,611,927 km (0.102 R)
• M10: 6,974,103 km (0.078 R)
• M11: 7,477,650 km (0.033 R)
• M12: 8,879,382 km (0.084 R)
• M13: 10,128,973 km (0.069 R)
• M14: 11,278,333 km (0.045 R)
• M15: 14,328,634 km (0.032 R)
• M16: 16,699,012 km (0.066 R)
• M17: 17,259,256 km (0.115 R)
• M18: 19,136,859 km (0.102 R)
• M19: 19,874,825 km (0.049 R)
• M20: 22,472,293 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.1

Radius: 11.4

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.38 AU - 8.66 AU

Year: 7896 Days

Day: 13.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,329,285 km

• M1: 141,968 km (0.096 R)
• M2: 528,080 km (0.08 R)
• M3: 1,050,775 km (0.087 R)
• M4: 1,603,390 km (0.078 R)
• M5: 1,988,006 km (0.028 R)
• M6: 3,165,042 km (0.098 R)
• M7: 4,527,580 km (0.091 R)
• M8: 5,934,548 km (0.074 R)
• M9: 6,609,234 km (0.047 R)
• M10: 7,022,722 km (0.103 R)
• M11: 7,777,743 km (0.105 R)
• M12: 8,282,037 km (0.068 R)
• M13: 9,125,021 km (0.066 R)
• M14: 11,085,801 km (0.068 R)
• M15: 11,509,462 km (0.082 R)
• M16: 12,730,330 km (0.035 R)
• M17: 14,721,029 km (0.102 R)
• M18: 16,566,019 km (0.114 R)
• M19: 16,980,705 km (0.116 R)
• M20: 23,799,226 km (0.12 R)
• M21: 25,407,553 km (0.076 R)
• M22: 25,866,968 km (0.038 R)
• M23: 28,939,409 km (0.08 R)
• M24: 29,743,946 km (0.117 R)
• M25: 31,608,684 km (0.095 R)
• M26: 38,266,836 km (0.071 R)
• M27: 40,345,947 km (0.027 R)
• M28: 42,757,615 km (0.1 R)
• M29: 43,277,318 km (0.11 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: 465 - 11,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit