🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.6 AU - 0.9 AU

Year: 292 Days

Day: 21.3 Hours

Environment

Temp: -42 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.11 AU - 1.29 AU

Year: 591 Days

Day: 19.8 Hours

Environment

Temp: -78 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.35 AU - 1.37 AU

Year: 713 Days

Day: 20.5 Hours

Environment

Temp: -104 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,009,354 km

• M1: 34,856 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.98 AU - 2.06 AU

Year: 1291 Days

Day: 34.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 79,009,354 km

• M1: 282,291 km (0.092 R)
• M2: 405,560 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.13 AU - 2.17 AU

Year: 1417 Days

Day: 31.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 79,009,354 km

• M1: 40,391 km (0.117 R)
• M2: 983,606 km (0.079 R)

Asteroid Belt

Center: 2.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.8

Radius: 14.4

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.4 AU - 2.98 AU

Year: 1984 Days

Day: 14.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,009,354 km

• M1: 179,368 km (0.119 R)
• M2: 630,705 km (0.077 R)
• M3: 1,244,505 km (0.092 R)
• M4: 1,747,004 km (0.113 R)
• M5: 2,411,518 km (0.09 R)
• M6: 3,381,361 km (0.093 R)
• M7: 3,895,678 km (0.031 R)
• M8: 4,443,206 km (0.086 R)
• M9: 4,897,535 km (0.085 R)
• M10: 5,671,854 km (0.071 R)
• M11: 6,526,357 km (0.095 R)
• M12: 7,602,564 km (0.11 R)
• M13: 8,285,628 km (0.116 R)
• M14: 9,165,413 km (0.098 R)
• M15: 9,840,698 km (0.085 R)
• M16: 11,219,092 km (0.08 R)
• M17: 12,334,644 km (0.074 R)
• M18: 12,998,858 km (0.053 R)
• M19: 13,728,297 km (0.115 R)
• M20: 14,271,786 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 11.3

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.74 AU - 6.24 AU

Year: 6591 Days

Day: 13.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,009,354 km

• M1: 140,772 km (0.095 R)
• M2: 499,058 km (0.104 R)
• M3: 1,725,911 km (0.078 R)
• M4: 2,419,147 km (0.088 R)
• M5: 4,082,376 km (0.074 R)
• M6: 4,845,026 km (0.065 R)
• M7: 7,708,778 km (0.069 R)
• M8: 8,096,536 km (0.089 R)
• M9: 9,181,719 km (0.028 R)
• M10: 9,739,270 km (0.09 R)
• M11: 11,916,518 km (0.074 R)
• M12: 13,929,806 km (0.045 R)
• M13: 14,400,441 km (0.12 R)
• M14: 15,044,459 km (0.081 R)
• M15: 16,680,312 km (0.038 R)
• M16: 21,873,602 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.4

Radius: 4

Gravity: 45.34 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 11.26 AU - 14.32 AU

Year: 20565 Days

Day: 18.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 79,009,354 km

• M1: 49,816 km (0.094 R)
• M2: 257,308 km (0.055 R)
• M3: 417,528 km (0.084 R)
• M4: 1,048,531 km (0.112 R)
• M5: 1,239,568 km (0.059 R)
• M6: 2,356,765 km (0.047 R)
• M7: 2,760,230 km (0.11 R)
• M8: 3,125,848 km (0.056 R)
• M9: 3,764,481 km (0.06 R)
• M10: 4,697,672 km (0.093 R)
• M11: 5,065,384 km (0.095 R)
• M12: 5,412,451 km (0.081 R)
• M13: 7,102,009 km (0.089 R)
• M14: 7,536,591 km (0.072 R)
• M15: 8,727,540 km (0.107 R)
• M16: 8,891,649 km (0.074 R)
• M17: 9,626,623 km (0.108 R)
• M18: 11,216,250 km (0.085 R)
• M19: 12,902,068 km (0.115 R)
• M20: 13,475,327 km (0.097 R)
• M21: 13,916,342 km (0.115 R)
• M22: 14,366,781 km (0.102 R)
• M23: 16,020,286 km (0.045 R)
• M24: 16,348,953 km (0.089 R)
• M25: 17,276,160 km (0.115 R)
• M26: 21,834,258 km (0.084 R)
• M27: 23,797,880 km (0.106 R)
• M28: 24,118,318 km (0.085 R)
• M29: 26,442,471 km (0.066 R)
• M30: 26,901,437 km (0.089 R)
• M31: 27,599,760 km (0.057 R)
• M32: 30,389,162 km (0.057 R)
• M33: 31,146,576 km (0.106 R)
• M34: 31,787,304 km (0.114 R)
• M35: 40,024,013 km (0.118 R)
• M36: 40,780,978 km (0.043 R)
• M37: 52,044,950 km (0.088 R)
• M38: 57,803,420 km (0.115 R)
• M39: 63,766,541 km (0.055 R)
• M40: 71,891,351 km (0.099 R)
• M41: 73,009,296 km (0.115 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 11,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit