🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.69 AU - 0.75 AU

Year: 224 Days

Day: 44.9 Hours

Environment

Temp: 164 °C

Axial Tilt: 48.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.8 AU - 1 AU

Year: 313 Days

Day: 18.3 Hours

Environment

Temp: 158 °C

Axial Tilt: 39.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.95 AU - 1.33 AU

Year: 447 Days

Day: 21.6 Hours

Environment

Temp: 0 °C

Axial Tilt: 16.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 85,879,216 km

• M1: 190,887 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.47 AU - 1.49 AU

Year: 661 Days

Day: 19.5 Hours

Environment

Temp: -28 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.19 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.8

Radius: 10.6

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.34 AU - 7.44 AU

Year: 6639 Days

Day: 10.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,879,216 km

• M1: 137,630 km (0.116 R)
• M2: 772,673 km (0.102 R)
• M3: 1,369,718 km (0.08 R)
• M4: 2,434,406 km (0.091 R)
• M5: 2,842,060 km (0.086 R)
• M6: 3,572,098 km (0.055 R)
• M7: 6,589,337 km (0.065 R)
• M8: 7,605,406 km (0.117 R)
• M9: 10,393,611 km (0.05 R)
• M10: 11,328,897 km (0.057 R)
• M11: 12,066,265 km (0.096 R)
• M12: 12,472,573 km (0.095 R)
• M13: 14,414,952 km (0.118 R)
• M14: 21,888,412 km (0.106 R)
• M15: 24,134,624 km (0.117 R)
• M16: 24,617,975 km (0.072 R)
• M17: 25,854,402 km (0.095 R)
• M18: 26,530,584 km (0.085 R)
• M19: 27,566,848 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.8

Radius: 12.4

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.12 AU - 12.08 AU

Year: 11783 Days

Day: 12.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,879,216 km

• M1: 154,235 km (0.086 R)
• M2: 547,678 km (0.093 R)
• M3: 1,138,440 km (0.073 R)
• M4: 1,664,276 km (0.045 R)
• M5: 2,061,309 km (0.1 R)
• M6: 2,648,331 km (0.118 R)
• M7: 3,052,545 km (0.049 R)
• M8: 3,963,147 km (0.071 R)
• M9: 4,443,057 km (0.106 R)
• M10: 4,905,015 km (0.044 R)
• M11: 5,309,677 km (0.064 R)
• M12: 5,830,876 km (0.071 R)
• M13: 7,641,160 km (0.11 R)
• M14: 8,926,655 km (0.101 R)
• M15: 10,874,718 km (0.051 R)
• M16: 11,515,745 km (0.094 R)
• M17: 12,873,645 km (0.092 R)
• M18: 13,760,760 km (0.116 R)
• M19: 14,986,415 km (0.044 R)
• M20: 15,410,675 km (0.04 R)
• M21: 18,679,239 km (0.097 R)
• M22: 19,313,085 km (0.119 R)
• M23: 19,888,588 km (0.092 R)
• M24: 22,070,922 km (0.119 R)
• M25: 26,995,983 km (0.117 R)
• M26: 28,726,232 km (0.087 R)
• M27: 31,212,249 km (0.077 R)
• M28: 32,811,451 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.9

Radius: 3.5

Gravity: 29.95 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 12.1 AU - 16.78 AU

Year: 20143 Days

Day: 18.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 85,879,216 km

• M1: 43,982 km (0.044 R)
• M2: 660,175 km (0.079 R)
• M3: 1,891,815 km (0.076 R)
• M4: 2,193,105 km (0.119 R)
• M5: 3,263,328 km (0.038 R)
• M6: 3,447,932 km (0.05 R)
• M7: 3,695,666 km (0.112 R)
• M8: 4,772,770 km (0.043 R)
• M9: 5,115,350 km (0.047 R)
• M10: 5,547,837 km (0.03 R)
• M11: 6,004,111 km (0.101 R)
• M12: 6,485,068 km (0.086 R)
• M13: 7,121,756 km (0.11 R)
• M14: 7,253,851 km (0.105 R)
• M15: 7,477,799 km (0.112 R)
• M16: 8,667,102 km (0.102 R)
• M17: 10,309,836 km (0.085 R)
• M18: 10,422,484 km (0.038 R)
• M19: 12,721,354 km (0.087 R)
• M20: 14,758,877 km (0.064 R)
• M21: 15,045,955 km (0.072 R)
• M22: 16,231,818 km (0.083 R)
• M23: 17,319,245 km (0.075 R)
• M24: 21,969,345 km (0.104 R)
• M25: 23,394,713 km (0.074 R)
• M26: 24,478,400 km (0.078 R)
• M27: 25,083,225 km (0.057 R)
• M28: 25,594,999 km (0.119 R)
• M29: 26,957,985 km (0.103 R)
• M30: 28,258,290 km (0.028 R)
• M31: 28,923,851 km (0.068 R)
• M32: 30,983,215 km (0.116 R)
• M33: 33,260,843 km (0.106 R)
• M34: 39,232,042 km (0.12 R)
• M35: 41,181,900 km (0.092 R)
• M36: 45,273,252 km (0.117 R)
• M37: 50,109,901 km (0.117 R)
• M38: 54,593,349 km (0.05 R)
• M39: 61,901,205 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.4

Radius: 7.2

Gravity: 18.12 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 12 AU - 17.2 AU

Year: 20479 Days

Day: 21.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 85,879,216 km

• M1: 124,316 km (0.051 R)
• M2: 533,765 km (0.095 R)
• M3: 796,609 km (0.108 R)
• M4: 1,092,962 km (0.091 R)
• M5: 1,815,969 km (0.115 R)
• M6: 2,337,018 km (0.119 R)
• M7: 3,521,235 km (0.098 R)
• M8: 4,399,973 km (0.094 R)
• M9: 4,947,202 km (0.076 R)
• M10: 6,536,829 km (0.084 R)
• M11: 7,151,077 km (0.105 R)
• M12: 8,715,273 km (0.038 R)
• M13: 12,082,870 km (0.06 R)
• M14: 25,776,611 km (0.099 R)
• M15: 29,263,887 km (0.106 R)
• M16: 35,563,004 km (0.088 R)
• M17: 37,157,718 km (0.081 R)
• M18: 38,346,871 km (0.034 R)
• M19: 45,344,760 km (0.1 R)
• M20: 46,531,221 km (0.101 R)
• M21: 48,965,926 km (0.094 R)
• M22: 52,589,336 km (0.078 R)
• M23: 56,193,598 km (0.083 R)
• M24: 73,179,838 km (0.099 R)
• M25: 74,810,903 km (0.052 R)
• M26: 77,422,882 km (0.104 R)
• M27: 80,834,162 km (0.082 R)
• M28: 82,076,273 km (0.095 R)
• M29: 82,827,703 km (0.111 R)
• M30: 83,583,622 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 13,730 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit