🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.48 AU - 0.56 AU

Year: 132 Days

Day: 43.9 Hours

Environment

Temp: 193 °C

Axial Tilt: 42 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 73,442,713 km

• M1: 34,557 km (0.063 R)
• M2: 112,049 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.26 AU - 1.48 AU

Year: 564 Days

Day: 40.9 Hours

Environment

Temp: -2 °C

Axial Tilt: 37.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 73,442,713 km

• M1: 36,951 km (0.097 R)
• M2: 103,971 km (0.033 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.88 AU - 3.74 AU

Year: 2117 Days

Day: 37 Hours

Environment

Temp: -99 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.25 AU - 3.59 AU

Year: 2223 Days

Day: 33.6 Hours

Environment

Temp: -96 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.24 AU - 5.72 AU

Year: 4509 Days

Day: 29.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.3

Radius: 8.4

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.67 AU - 10.21 AU

Year: 10194 Days

Day: 9.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,442,713 km

• M1: 104,419 km (0.045 R)
• M2: 398,080 km (0.109 R)
• M3: 729,589 km (0.042 R)
• M4: 4,434,829 km (0.056 R)
• M5: 8,520,796 km (0.058 R)
• M6: 9,555,564 km (0.096 R)
• M7: 14,012,533 km (0.101 R)
• M8: 15,512,102 km (0.064 R)
• M9: 17,182,213 km (0.118 R)
• M10: 19,980,591 km (0.07 R)
• M11: 20,800,387 km (0.06 R)
• M12: 22,826,989 km (0.099 R)
• M13: 24,472,865 km (0.108 R)
• M14: 28,276,840 km (0.115 R)
• M15: 34,641,332 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.7

Radius: 9.7

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 10.13 AU - 14.19 AU

Year: 14903 Days

Day: 9.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,442,713 km

• M1: 120,576 km (0.111 R)
• M2: 495,618 km (0.107 R)
• M3: 822,190 km (0.078 R)
• M4: 1,166,265 km (0.099 R)
• M5: 2,014,036 km (0.106 R)
• M6: 2,791,795 km (0.12 R)
• M7: 3,905,252 km (0.056 R)
• M8: 4,371,399 km (0.11 R)
• M9: 4,991,183 km (0.116 R)
• M10: 5,322,393 km (0.072 R)
• M11: 7,167,832 km (0.036 R)
• M12: 10,437,443 km (0.036 R)
• M13: 14,588,186 km (0.119 R)
• M14: 15,775,993 km (0.089 R)
• M15: 18,989,206 km (0.042 R)
• M16: 24,374,280 km (0.065 R)
• M17: 25,331,557 km (0.046 R)
• M18: 26,313,817 km (0.039 R)
• M19: 27,881,303 km (0.108 R)
• M20: 32,122,403 km (0.113 R)
• M21: 34,342,136 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464

Radius: 5.9

Gravity: 13.33 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 15.27 AU - 17.25 AU

Year: 23044 Days

Day: 23.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,442,713 km

• M1: 73,602 km (0.112 R)
• M2: 262,095 km (0.115 R)
• M3: 600,785 km (0.096 R)
• M4: 954,434 km (0.064 R)
• M5: 1,139,188 km (0.06 R)
• M6: 2,094,221 km (0.112 R)
• M7: 3,165,491 km (0.049 R)
• M8: 3,355,779 km (0.105 R)
• M9: 3,582,719 km (0.079 R)
• M10: 3,850,350 km (0.114 R)
• M11: 4,067,566 km (0.113 R)
• M12: 4,425,554 km (0.102 R)
• M13: 4,769,031 km (0.03 R)
• M14: 7,837,582 km (0.095 R)
• M15: 8,187,491 km (0.086 R)
• M16: 9,134,895 km (0.097 R)
• M17: 10,212,149 km (0.079 R)
• M18: 10,751,001 km (0.106 R)
• M19: 15,065,403 km (0.078 R)
• M20: 15,295,634 km (0.108 R)
• M21: 16,808,817 km (0.055 R)
• M22: 17,306,678 km (0.066 R)
• M23: 20,691,031 km (0.101 R)
• M24: 23,655,612 km (0.088 R)
• M25: 29,205,843 km (0.104 R)
• M26: 30,656,044 km (0.103 R)
• M27: 31,026,000 km (0.084 R)
• M28: 34,891,011 km (0.098 R)
• M29: 36,522,824 km (0.098 R)
• M30: 42,329,017 km (0.067 R)
• M31: 47,066,781 km (0.05 R)
• M32: 48,721,334 km (0.06 R)
• M33: 51,796,468 km (0.045 R)
• M34: 62,582,025 km (0.102 R)
• M35: 68,495,779 km (0.118 R)
• M36: 69,339,660 km (0.074 R)
• M37: 73,222,772 km (0.057 R)

Kuiper Belt

Range: 31.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 11,958 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit