🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.04 AU - 1.28 AU

Year: 471 Days

Day: 24.5 Hours

Environment

Temp: -7 °C

Axial Tilt: 27.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.17 AU - 1.65 AU

Year: 631 Days

Day: 13.3 Hours

Environment

Temp: -42 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.47 AU - 2.35 AU

Year: 994 Days

Day: 19.1 Hours

Environment

Temp: -80 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,206,569 km

• M1: 363,822 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.83 AU - 2.29 AU

Year: 1114 Days

Day: 20.6 Hours

Environment

Temp: -74 °C

Axial Tilt: 91.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,206,569 km

• M1: 36,651 km (0.078 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.19 AU - 3.27 AU

Year: 1699 Days

Day: 43.6 Hours

Environment

Temp: -111 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.01 AU - 4.43 AU

Year: 3266 Days

Day: 26.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.4

Radius: 14.6

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.06 AU - 6.3 AU

Year: 4441 Days

Day: 13.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,206,569 km

• M1: 183,407 km (0.069 R)
• M2: 794,963 km (0.104 R)
• M3: 1,496,278 km (0.09 R)
• M4: 2,479,286 km (0.119 R)
• M5: 3,096,526 km (0.104 R)
• M6: 4,017,900 km (0.079 R)
• M7: 4,543,587 km (0.103 R)
• M8: 5,224,257 km (0.118 R)
• M9: 5,852,717 km (0.103 R)
• M10: 7,159,156 km (0.06 R)
• M11: 8,459,909 km (0.076 R)
• M12: 9,329,222 km (0.093 R)
• M13: 11,668,933 km (0.089 R)
• M14: 12,797,200 km (0.07 R)
• M15: 13,836,457 km (0.091 R)
• M16: 14,763,515 km (0.086 R)
• M17: 15,731,413 km (0.086 R)
• M18: 16,260,840 km (0.036 R)
• M19: 18,563,600 km (0.089 R)
• M20: 19,221,531 km (0.12 R)
• M21: 20,724,092 km (0.115 R)
• M22: 24,350,195 km (0.055 R)
• M23: 25,218,910 km (0.117 R)
• M24: 26,026,439 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39

Radius: 11.1

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.26 AU - 5.64 AU

Year: 4793 Days

Day: 9.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,206,569 km

• M1: 139,874 km (0.042 R)
• M2: 528,080 km (0.094 R)
• M3: 1,426,565 km (0.097 R)
• M4: 2,348,537 km (0.1 R)
• M5: 3,035,191 km (0.104 R)
• M6: 4,442,309 km (0.104 R)
• M7: 5,015,867 km (0.118 R)
• M8: 6,821,214 km (0.092 R)
• M9: 7,923,152 km (0.051 R)
• M10: 8,352,199 km (0.117 R)
• M11: 9,522,652 km (0.065 R)
• M12: 10,162,931 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.1

Radius: 7.4

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 13.01 AU - 15.31 AU

Year: 20073 Days

Day: 18.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,206,569 km

• M1: 99,931 km (0.072 R)
• M2: 470,934 km (0.103 R)
• M3: 757,115 km (0.055 R)
• M4: 1,078,301 km (0.075 R)
• M5: 1,845,888 km (0.119 R)
• M6: 2,201,632 km (0.11 R)
• M7: 3,550,406 km (0.092 R)
• M8: 4,491,526 km (0.116 R)
• M9: 4,904,716 km (0.097 R)
• M10: 5,137,640 km (0.075 R)
• M11: 5,412,750 km (0.039 R)
• M12: 6,414,906 km (0.053 R)
• M13: 9,326,679 km (0.082 R)
• M14: 9,841,446 km (0.091 R)
• M15: 12,579,984 km (0.072 R)
• M16: 13,272,473 km (0.105 R)
• M17: 13,791,876 km (0.085 R)
• M18: 17,196,874 km (0.114 R)
• M19: 21,124,117 km (0.082 R)
• M20: 23,955,257 km (0.107 R)
• M21: 24,434,419 km (0.073 R)
• M22: 27,549,046 km (0.109 R)
• M23: 28,075,032 km (0.064 R)
• M24: 29,364,716 km (0.06 R)
• M25: 39,252,387 km (0.081 R)
• M26: 39,651,065 km (0.046 R)
• M27: 41,272,856 km (0.087 R)
• M28: 45,228,223 km (0.034 R)
• M29: 50,205,494 km (0.109 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 13,220 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit