🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.44 AU - 2.16 AU

Year: 873 Days

Day: 31.4 Hours

Environment

Temp: -59 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.28 AU - 4.76 AU

Year: 3475 Days

Day: 37.6 Hours

Environment

Temp: -127 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.8

Radius: 14.5

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.19 AU - 5.89 AU

Year: 4716 Days

Day: 9 Hours

Environment

Temp: -146 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 92,019,135 km

• M1: 182,061 km (0.119 R)
• M2: 1,345,034 km (0.114 R)
• M3: 2,034,232 km (0.113 R)
• M4: 3,253,604 km (0.114 R)
• M5: 4,198,165 km (0.118 R)
• M6: 5,039,952 km (0.092 R)
• M7: 5,501,611 km (0.096 R)
• M8: 6,422,386 km (0.11 R)
• M9: 6,904,540 km (0.115 R)
• M10: 7,476,154 km (0.064 R)
• M11: 8,010,517 km (0.103 R)
• M12: 9,497,819 km (0.115 R)
• M13: 11,076,974 km (0.072 R)
• M14: 13,446,904 km (0.039 R)
• M15: 14,138,944 km (0.073 R)
• M16: 14,958,740 km (0.089 R)
• M17: 16,749,875 km (0.051 R)
• M18: 18,080,249 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.4

Radius: 10.9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.79 AU - 6.37 AU

Year: 4767 Days

Day: 9.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,019,135 km

• M1: 135,536 km (0.063 R)
• M2: 523,144 km (0.085 R)
• M3: 869,164 km (0.085 R)
• M4: 1,535,173 km (0.045 R)
• M5: 1,982,621 km (0.058 R)
• M6: 2,333,428 km (0.066 R)
• M7: 2,759,183 km (0.105 R)
• M8: 4,290,467 km (0.12 R)
• M9: 4,712,632 km (0.093 R)
• M10: 6,564,803 km (0.096 R)
• M11: 7,519,836 km (0.117 R)
• M12: 9,352,410 km (0.118 R)
• M13: 10,146,476 km (0.115 R)
• M14: 11,914,423 km (0.102 R)
• M15: 14,859,257 km (0.097 R)
• M16: 16,051,104 km (0.098 R)
• M17: 18,197,534 km (0.047 R)
• M18: 20,073,192 km (0.112 R)
• M19: 20,991,274 km (0.053 R)
• M20: 21,937,032 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.5

Radius: 12.2

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.67 AU - 11.97 AU

Year: 11129 Days

Day: 13.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 92,019,135 km

• M1: 153,188 km (0.072 R)
• M2: 548,276 km (0.066 R)
• M3: 1,127,519 km (0.101 R)
• M4: 2,332,380 km (0.07 R)
• M5: 3,694,918 km (0.075 R)
• M6: 4,790,722 km (0.118 R)
• M7: 7,162,596 km (0.086 R)
• M8: 9,824,391 km (0.106 R)
• M9: 10,385,234 km (0.12 R)
• M10: 12,313,102 km (0.1 R)
• M11: 23,768,110 km (0.118 R)
• M12: 24,408,837 km (0.099 R)
• M13: 25,061,084 km (0.113 R)
• M14: 29,013,310 km (0.064 R)
• M15: 32,237,144 km (0.03 R)
• M16: 32,796,790 km (0.111 R)
• M17: 46,242,048 km (0.047 R)
• M18: 49,429,530 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.1

Radius: 9.7

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.9 AU - 10.26 AU

Year: 11574 Days

Day: 8.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 92,019,135 km

• M1: 132,095 km (0.108 R)
• M2: 549,174 km (0.078 R)
• M3: 959,670 km (0.038 R)
• M4: 1,292,077 km (0.092 R)
• M5: 1,742,516 km (0.084 R)
• M6: 2,104,393 km (0.073 R)
• M7: 3,041,624 km (0.119 R)
• M8: 6,357,311 km (0.097 R)
• M9: 7,009,109 km (0.094 R)
• M10: 7,554,543 km (0.104 R)
• M11: 9,844,737 km (0.064 R)
• M12: 10,251,643 km (0.113 R)
• M13: 14,264,606 km (0.065 R)
• M14: 20,069,452 km (0.12 R)
• M15: 33,748,831 km (0.084 R)
• M16: 34,571,470 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.1

Radius: 6.6

Gravity: 16.69 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 14.13 AU - 14.19 AU

Year: 19270 Days

Day: 24.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 92,019,135 km

• M1: 82,129 km (0.088 R)
• M2: 428,000 km (0.113 R)
• M3: 887,415 km (0.081 R)
• M4: 1,263,803 km (0.114 R)
• M5: 1,907,672 km (0.089 R)
• M6: 2,291,989 km (0.045 R)
• M7: 3,187,931 km (0.082 R)
• M8: 4,959,020 km (0.074 R)
• M9: 5,371,611 km (0.077 R)
• M10: 5,806,641 km (0.101 R)
• M11: 6,882,848 km (0.06 R)
• M12: 7,159,754 km (0.069 R)
• M13: 7,540,481 km (0.063 R)
• M14: 7,934,671 km (0.053 R)
• M15: 8,342,475 km (0.069 R)
• M16: 9,536,415 km (0.059 R)
• M17: 10,056,118 km (0.103 R)
• M18: 11,859,970 km (0.041 R)
• M19: 14,687,220 km (0.087 R)
• M20: 14,915,805 km (0.096 R)
• M21: 19,631,729 km (0.037 R)
• M22: 22,224,409 km (0.063 R)
• M23: 24,499,045 km (0.083 R)
• M24: 25,582,582 km (0.075 R)
• M25: 26,136,094 km (0.112 R)
• M26: 31,230,650 km (0.118 R)
• M27: 38,372,901 km (0.075 R)
• M28: 39,244,309 km (0.069 R)
• M29: 46,041,138 km (0.117 R)
• M30: 49,374,179 km (0.054 R)
• M31: 56,516,280 km (0.081 R)
• M32: 59,943,268 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.8

Radius: 7.7

Gravity: 14.75 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 15.11 AU - 17.25 AU

Year: 23537 Days

Day: 15.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 92,019,135 km

• M1: 96,042 km (0.102 R)
• M2: 465,249 km (0.088 R)
• M3: 756,666 km (0.061 R)
• M4: 1,115,103 km (0.092 R)
• M5: 1,549,385 km (0.113 R)
• M6: 2,455,649 km (0.102 R)
• M7: 3,772,858 km (0.086 R)
• M8: 4,070,857 km (0.105 R)
• M9: 8,640,923 km (0.12 R)
• M10: 9,219,418 km (0.079 R)
• M11: 9,578,752 km (0.115 R)
• M12: 12,146,599 km (0.071 R)
• M13: 19,361,555 km (0.074 R)
• M14: 25,340,234 km (0.076 R)
• M15: 35,270,840 km (0.102 R)
• M16: 43,383,532 km (0.118 R)
• M17: 66,218,301 km (0.114 R)
• M18: 82,444,583 km (0.084 R)
• M19: 85,295,769 km (0.07 R)
• M20: 86,348,789 km (0.09 R)
• M21: 89,559,458 km (0.049 R)

Kuiper Belt

Range: 30.3 - 59.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 13,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit