🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.77 AU - 0.89 AU

Year: 279 Days

Day: 14.1 Hours

Environment

Temp: 119 °C

Axial Tilt: 27.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 82,409,441 km

• M1: 47,871 km (0.072 R)
• M2: 106,663 km (0.035 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.89 AU - 1.47 AU

Year: 473 Days

Day: 18 Hours

Environment

Temp: 4 °C

Axial Tilt: 20.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 82,409,441 km

• M1: 97,687 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.32 AU - 1.98 AU

Year: 782 Days

Day: 44.7 Hours

Environment

Temp: -53 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,409,441 km

• M1: 108,907 km (0.045 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.82 AU - 2.46 AU

Year: 1155 Days

Day: 19.3 Hours

Environment

Temp: -82 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,409,441 km

• M1: 957,576 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.37 AU - 4.49 AU

Year: 3440 Days

Day: 16.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.4

Radius: 13.1

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.96 AU - 5.08 AU

Year: 4150 Days

Day: 13 Hours

Environment

Temp: -137 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,409,441 km

• M1: 162,912 km (0.055 R)
• M2: 694,583 km (0.11 R)
• M3: 1,249,591 km (0.107 R)
• M4: 3,908,095 km (0.086 R)
• M5: 4,877,040 km (0.118 R)
• M6: 9,272,974 km (0.064 R)
• M7: 10,716,743 km (0.097 R)
• M8: 11,149,978 km (0.112 R)
• M9: 13,768,240 km (0.05 R)
• M10: 15,693,116 km (0.047 R)
• M11: 17,250,280 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.5

Radius: 12.2

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.04 AU - 9.28 AU

Year: 7822 Days

Day: 7.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 82,409,441 km

• M1: 152,141 km (0.093 R)
• M2: 578,645 km (0.068 R)
• M3: 1,072,467 km (0.078 R)
• M4: 1,605,185 km (0.095 R)
• M5: 2,644,890 km (0.078 R)
• M6: 3,259,139 km (0.089 R)
• M7: 6,105,239 km (0.103 R)
• M8: 7,555,440 km (0.038 R)
• M9: 7,941,553 km (0.118 R)
• M10: 8,587,067 km (0.06 R)
• M11: 9,354,804 km (0.032 R)
• M12: 9,891,561 km (0.119 R)
• M13: 11,125,444 km (0.086 R)
• M14: 12,566,371 km (0.108 R)
• M15: 14,775,782 km (0.076 R)
• M16: 16,903,512 km (0.119 R)
• M17: 18,523,657 km (0.106 R)
• M18: 21,220,608 km (0.091 R)
• M19: 24,672,130 km (0.105 R)
• M20: 27,744,870 km (0.115 R)
• M21: 28,388,590 km (0.12 R)
• M22: 29,897,733 km (0.102 R)
• M23: 30,769,589 km (0.063 R)
• M24: 32,058,973 km (0.109 R)
• M25: 33,280,889 km (0.1 R)
• M26: 35,064,694 km (0.115 R)
• M27: 35,601,152 km (0.089 R)
• M28: 36,911,330 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.4

Radius: 7.7

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 15.49 AU - 21.71 AU

Year: 29597 Days

Day: 20 Hours

Environment

Temp: -200 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,409,441 km

• M1: 95,743 km (0.087 R)
• M2: 529,427 km (0.086 R)
• M3: 996,322 km (0.1 R)
• M4: 1,247,945 km (0.115 R)
• M5: 1,697,936 km (0.112 R)
• M6: 2,644,142 km (0.094 R)
• M7: 2,947,527 km (0.094 R)
• M8: 3,190,324 km (0.084 R)
• M9: 3,655,274 km (0.104 R)
• M10: 4,684,209 km (0.062 R)
• M11: 5,016,166 km (0.103 R)
• M12: 5,768,943 km (0.052 R)
• M13: 8,003,785 km (0.092 R)
• M14: 8,425,502 km (0.094 R)
• M15: 10,759,827 km (0.092 R)
• M16: 11,603,110 km (0.102 R)
• M17: 13,057,201 km (0.111 R)
• M18: 14,015,974 km (0.065 R)
• M19: 15,420,100 km (0.104 R)
• M20: 16,406,698 km (0.063 R)
• M21: 18,143,529 km (0.049 R)
• M22: 19,999,590 km (0.101 R)
• M23: 24,631,589 km (0.103 R)
• M24: 29,184,899 km (0.052 R)
• M25: 30,436,734 km (0.056 R)
• M26: 31,204,769 km (0.101 R)
• M27: 36,229,463 km (0.051 R)
• M28: 37,528,421 km (0.086 R)
• M29: 39,913,909 km (0.09 R)
• M30: 41,925,102 km (0.118 R)
• M31: 45,480,894 km (0.096 R)
• M32: 48,883,348 km (0.119 R)
• M33: 54,862,177 km (0.027 R)
• M34: 69,340,707 km (0.107 R)
• M35: 78,044,012 km (0.094 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 13,079 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit