🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.69 AU - 0.85 AU

Year: 253 Days

Day: 19.5 Hours

Environment

Temp: 126 °C

Axial Tilt: 20.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.76 AU - 0.8 AU

Year: 258 Days

Day: 37.8 Hours

Environment

Temp: 149 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.55 AU - 2.05 AU

Year: 905 Days

Day: 39.1 Hours

Environment

Temp: -71 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.2 AU - 2.74 AU

Year: 1455 Days

Day: 14.4 Hours

Environment

Temp: -88 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,745,279 km

• M1: 314,156 km (0.114 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.79 AU - 3.13 AU

Year: 1908 Days

Day: 44.9 Hours

Environment

Temp: -107 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,745,279 km

• M1: 103,821 km (0.115 R)

Asteroid Belt

Center: 6.75 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.3

Radius: 14.8

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.88 AU - 11.2 AU

Year: 12823 Days

Day: 7.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,745,279 km

• M1: 184,005 km (0.085 R)
• M2: 1,253,181 km (0.111 R)
• M3: 1,923,978 km (0.098 R)
• M4: 2,766,364 km (0.114 R)
• M5: 4,003,987 km (0.09 R)
• M6: 5,416,640 km (0.106 R)
• M7: 7,889,792 km (0.063 R)
• M8: 8,599,334 km (0.036 R)
• M9: 10,613,221 km (0.102 R)
• M10: 13,351,311 km (0.08 R)
• M11: 17,398,980 km (0.089 R)
• M12: 20,348,602 km (0.047 R)
• M13: 22,725,113 km (0.109 R)
• M14: 26,336,556 km (0.059 R)
• M15: 27,520,623 km (0.087 R)
• M16: 30,101,186 km (0.062 R)
• M17: 43,118,145 km (0.082 R)
• M18: 47,450,500 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.8

Radius: 7.4

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 15.31 AU - 17.05 AU

Year: 24389 Days

Day: 16.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,745,279 km

• M1: 92,302 km (0.115 R)
• M2: 325,375 km (0.044 R)
• M3: 578,196 km (0.105 R)
• M4: 1,285,943 km (0.083 R)
• M5: 1,776,325 km (0.113 R)
• M6: 3,798,589 km (0.087 R)
• M7: 4,804,485 km (0.095 R)
• M8: 5,658,240 km (0.115 R)
• M9: 6,522,766 km (0.112 R)
• M10: 12,467,337 km (0.115 R)
• M11: 14,359,301 km (0.104 R)
• M12: 16,677,021 km (0.06 R)
• M13: 18,353,864 km (0.079 R)
• M14: 19,322,510 km (0.081 R)
• M15: 26,854,164 km (0.104 R)
• M16: 27,303,257 km (0.071 R)
• M17: 28,564,367 km (0.114 R)
• M18: 29,268,225 km (0.044 R)
• M19: 33,090,750 km (0.091 R)
• M20: 41,112,188 km (0.117 R)
• M21: 55,792,975 km (0.067 R)
• M22: 57,447,228 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.9

Radius: 3.5

Gravity: 31.18 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 15.32 AU - 22.14 AU

Year: 30376 Days

Day: 16.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,745,279 km

• M1: 45,029 km (0.106 R)
• M2: 260,899 km (0.116 R)
• M3: 502,200 km (0.079 R)
• M4: 1,144,424 km (0.1 R)
• M5: 1,878,500 km (0.076 R)
• M6: 2,321,460 km (0.107 R)
• M7: 2,459,987 km (0.093 R)
• M8: 2,988,666 km (0.112 R)
• M9: 3,380,912 km (0.066 R)
• M10: 6,664,884 km (0.085 R)
• M11: 8,906,758 km (0.09 R)
• M12: 12,850,307 km (0.115 R)
• M13: 14,489,601 km (0.073 R)
• M14: 15,359,363 km (0.09 R)
• M15: 22,650,763 km (0.101 R)
• M16: 60,534,330 km (0.094 R)
• M17: 64,232,688 km (0.064 R)
• M18: 69,173,607 km (0.112 R)
• M19: 70,058,029 km (0.067 R)
• M20: 72,984,313 km (0.046 R)
• M21: 75,991,081 km (0.113 R)
• M22: 78,838,826 km (0.06 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 18,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit