🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.58 AU - 0.7 AU

Year: 188 Days

Day: 36.3 Hours

Environment

Temp: 181 °C

Axial Tilt: 46.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.9 AU - 1.4 AU

Year: 453 Days

Day: 16 Hours

Environment

Temp: 17 °C

Axial Tilt: 33.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1 AU - 1.56 AU

Year: 532 Days

Day: 25.2 Hours

Environment

Temp: 7 °C

Axial Tilt: 43.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.68 AU - 2.64 AU

Year: 1165 Days

Day: 40 Hours

Environment

Temp: -78 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 102,099,422 km

• M1: 650,751 km (0.114 R)
• M2: 911,201 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.69 AU - 3.81 AU

Year: 2666 Days

Day: 46.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.3

Radius: 12.5

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.38 AU - 6.26 AU

Year: 4504 Days

Day: 14.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 102,099,422 km

• M1: 155,731 km (0.098 R)
• M2: 1,078,601 km (0.112 R)
• M3: 1,526,945 km (0.114 R)
• M4: 2,014,635 km (0.087 R)
• M5: 3,271,257 km (0.074 R)
• M6: 4,503,943 km (0.071 R)
• M7: 5,964,467 km (0.026 R)
• M8: 7,435,014 km (0.105 R)
• M9: 10,184,773 km (0.079 R)
• M10: 12,274,505 km (0.085 R)
• M11: 13,710,944 km (0.049 R)
• M12: 15,660,503 km (0.087 R)
• M13: 17,410,948 km (0.118 R)
• M14: 18,430,607 km (0.098 R)
• M15: 21,874,799 km (0.095 R)
• M16: 25,002,143 km (0.079 R)
• M17: 28,677,613 km (0.113 R)
• M18: 29,649,849 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.2

Radius: 14.7

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 9.71 AU - 9.99 AU

Year: 11348 Days

Day: 14 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 102,099,422 km

• M1: 182,809 km (0.095 R)
• M2: 686,205 km (0.108 R)
• M3: 1,192,893 km (0.1 R)
• M4: 1,733,391 km (0.106 R)
• M5: 6,179,589 km (0.078 R)
• M6: 6,652,767 km (0.112 R)
• M7: 7,549,905 km (0.058 R)
• M8: 8,350,553 km (0.099 R)
• M9: 9,633,205 km (0.108 R)
• M10: 10,121,942 km (0.054 R)
• M11: 11,043,614 km (0.066 R)
• M12: 12,472,872 km (0.028 R)
• M13: 13,232,231 km (0.119 R)
• M14: 14,397,449 km (0.12 R)
• M15: 15,102,653 km (0.068 R)
• M16: 15,763,726 km (0.075 R)
• M17: 16,306,467 km (0.065 R)
• M18: 17,214,975 km (0.088 R)
• M19: 17,863,482 km (0.105 R)
• M20: 18,678,192 km (0.059 R)
• M21: 22,697,887 km (0.095 R)
• M22: 23,654,116 km (0.059 R)
• M23: 25,276,355 km (0.087 R)
• M24: 33,504,388 km (0.092 R)
• M25: 34,176,681 km (0.083 R)
• M26: 34,972,541 km (0.084 R)
• M27: 36,719,396 km (0.06 R)
• M28: 43,358,998 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.7

Radius: 10.2

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.73 AU - 10.93 AU

Year: 12188 Days

Day: 14 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 102,099,422 km

• M1: 126,859 km (0.108 R)
• M2: 569,369 km (0.104 R)
• M3: 978,220 km (0.101 R)
• M4: 1,330,823 km (0.033 R)
• M5: 2,041,562 km (0.064 R)
• M6: 2,587,594 km (0.098 R)
• M7: 3,253,454 km (0.087 R)
• M8: 4,794,013 km (0.062 R)
• M9: 5,262,554 km (0.12 R)
• M10: 5,688,459 km (0.099 R)
• M11: 6,214,146 km (0.062 R)
• M12: 7,806,017 km (0.076 R)
• M13: 9,344,033 km (0.075 R)
• M14: 10,847,641 km (0.082 R)
• M15: 11,247,366 km (0.029 R)
• M16: 13,461,415 km (0.092 R)
• M17: 16,024,774 km (0.055 R)
• M18: 16,997,759 km (0.114 R)
• M19: 17,460,016 km (0.102 R)
• M20: 18,733,693 km (0.06 R)
• M21: 19,144,040 km (0.078 R)
• M22: 22,462,270 km (0.106 R)
• M23: 22,925,574 km (0.038 R)
• M24: 26,349,870 km (0.117 R)
• M25: 38,378,885 km (0.115 R)
• M26: 41,074,788 km (0.093 R)
• M27: 41,907,600 km (0.116 R)
• M28: 42,610,261 km (0.111 R)
• M29: 44,619,211 km (0.035 R)
• M30: 45,057,831 km (0.086 R)
• M31: 45,647,097 km (0.095 R)
• M32: 50,231,524 km (0.105 R)
• M33: 50,706,198 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939

Radius: 5.8

Gravity: 27.91 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 16.6 AU - 18.12 AU

Year: 26552 Days

Day: 17.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 102,099,422 km

• M1: 76,445 km (0.092 R)
• M2: 257,458 km (0.115 R)
• M3: 452,085 km (0.076 R)
• M4: 657,333 km (0.096 R)
• M5: 1,114,654 km (0.102 R)
• M6: 1,647,222 km (0.103 R)
• M7: 1,907,074 km (0.051 R)
• M8: 2,102,748 km (0.118 R)
• M9: 2,882,302 km (0.108 R)
• M10: 3,574,492 km (0.114 R)
• M11: 4,714,278 km (0.061 R)
• M12: 5,074,360 km (0.119 R)
• M13: 5,282,151 km (0.098 R)
• M14: 11,856,379 km (0.085 R)
• M15: 13,927,113 km (0.103 R)
• M16: 15,261,676 km (0.117 R)
• M17: 16,227,180 km (0.075 R)
• M18: 16,770,669 km (0.107 R)
• M19: 17,046,977 km (0.119 R)
• M20: 17,514,021 km (0.118 R)
• M21: 21,563,635 km (0.056 R)
• M22: 26,072,814 km (0.105 R)
• M23: 27,195,846 km (0.084 R)
• M24: 29,138,673 km (0.12 R)
• M25: 29,404,509 km (0.057 R)
• M26: 31,310,984 km (0.111 R)
• M27: 40,418,502 km (0.108 R)
• M28: 48,489,457 km (0.066 R)
• M29: 54,093,094 km (0.094 R)
• M30: 55,303,939 km (0.096 R)
• M31: 56,326,740 km (0.069 R)
• M32: 61,194,355 km (0.063 R)
• M33: 61,412,170 km (0.088 R)
• M34: 69,127,830 km (0.105 R)
• M35: 84,544,189 km (0.047 R)
• M36: 86,721,736 km (0.117 R)
• M37: 91,757,200 km (0.038 R)
• M38: 96,393,687 km (0.051 R)
• M39: 99,971,769 km (0.078 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 15,867 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit