🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.56 AU - 0.82 AU

Year: 217 Days

Day: 29.5 Hours

Environment

Temp: 99 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.04 AU - 1.16 AU

Year: 437 Days

Day: 43.4 Hours

Environment

Temp: 2 °C

Axial Tilt: 38.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.14 AU - 1.44 AU

Year: 555 Days

Day: 25.9 Hours

Environment

Temp: -40 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,493,419 km

• M1: 712,086 km (0.052 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.16 AU - 2.34 AU

Year: 1278 Days

Day: 21.5 Hours

Environment

Temp: -91 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.24 AU - 4 AU

Year: 2609 Days

Day: 32 Hours

Environment

Temp: -124 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.3

Radius: 9.6

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.84 AU - 9.26 AU

Year: 9469 Days

Day: 13.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,493,419 km

• M1: 119,529 km (0.063 R)
• M2: 459,565 km (0.12 R)
• M3: 1,412,653 km (0.102 R)
• M4: 2,188,018 km (0.054 R)
• M5: 2,691,864 km (0.049 R)
• M6: 3,959,407 km (0.089 R)
• M7: 5,217,375 km (0.079 R)
• M8: 5,621,439 km (0.079 R)
• M9: 6,646,035 km (0.063 R)
• M10: 8,008,124 km (0.102 R)
• M11: 10,153,507 km (0.069 R)
• M12: 10,624,590 km (0.052 R)
• M13: 12,125,805 km (0.115 R)
• M14: 13,512,278 km (0.04 R)
• M15: 14,471,500 km (0.102 R)
• M16: 17,622,180 km (0.091 R)
• M17: 19,396,860 km (0.106 R)
• M18: 20,041,178 km (0.108 R)
• M19: 20,866,509 km (0.058 R)
• M20: 21,372,599 km (0.059 R)
• M21: 22,146,918 km (0.115 R)
• M22: 26,106,773 km (0.044 R)
• M23: 26,497,523 km (0.116 R)
• M24: 27,997,840 km (0.117 R)
• M25: 29,872,002 km (0.086 R)
• M26: 31,167,071 km (0.071 R)
• M27: 38,333,557 km (0.093 R)
• M28: 39,220,223 km (0.069 R)
• M29: 39,733,045 km (0.111 R)
• M30: 41,298,287 km (0.102 R)
• M31: 43,997,631 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.3

Radius: 9.9

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.83 AU - 10.75 AU

Year: 10724 Days

Day: 5.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,493,419 km

• M1: 124,166 km (0.07 R)
• M2: 505,940 km (0.051 R)
• M3: 1,502,561 km (0.077 R)
• M4: 1,842,298 km (0.055 R)
• M5: 5,191,046 km (0.102 R)
• M6: 7,164,840 km (0.107 R)
• M7: 8,455,272 km (0.11 R)
• M8: 9,446,507 km (0.035 R)
• M9: 13,006,787 km (0.045 R)
• M10: 13,813,119 km (0.114 R)
• M11: 16,219,850 km (0.12 R)
• M12: 18,352,068 km (0.082 R)
• M13: 19,605,250 km (0.117 R)
• M14: 20,334,689 km (0.104 R)
• M15: 25,002,741 km (0.058 R)
• M16: 26,247,994 km (0.072 R)
• M17: 27,233,844 km (0.045 R)
• M18: 29,805,880 km (0.078 R)
• M19: 34,484,703 km (0.066 R)
• M20: 46,683,512 km (0.096 R)
• M21: 48,568,893 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.3

Radius: 4.5

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 15 AU - 21.68 AU

Year: 29747 Days

Day: 18.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,493,419 km

• M1: 55,950 km (0.108 R)
• M2: 250,277 km (0.075 R)
• M3: 446,998 km (0.09 R)
• M4: 625,618 km (0.097 R)
• M5: 979,268 km (0.091 R)
• M6: 1,237,025 km (0.105 R)
• M7: 1,441,974 km (0.069 R)
• M8: 1,970,204 km (0.045 R)
• M9: 2,306,350 km (0.117 R)
• M10: 2,869,886 km (0.044 R)
• M11: 3,114,777 km (0.111 R)
• M12: 4,378,730 km (0.057 R)
• M13: 7,078,373 km (0.107 R)
• M14: 7,279,432 km (0.087 R)
• M15: 7,442,943 km (0.119 R)
• M16: 8,209,482 km (0.065 R)
• M17: 11,361,659 km (0.074 R)
• M18: 11,861,166 km (0.096 R)
• M19: 12,259,695 km (0.115 R)
• M20: 13,632,106 km (0.093 R)
• M21: 14,323,398 km (0.102 R)
• M22: 14,906,081 km (0.115 R)
• M23: 16,187,986 km (0.081 R)
• M24: 16,396,824 km (0.12 R)
• M25: 28,172,271 km (0.068 R)
• M26: 38,089,712 km (0.069 R)
• M27: 41,114,132 km (0.045 R)
• M28: 44,023,811 km (0.105 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 15,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit