🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.74 AU - 0.76 AU

Year: 228 Days

Day: 21.4 Hours

Environment

Temp: 126 °C

Axial Tilt: 37.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.08 AU - 1.38 AU

Year: 479 Days

Day: 31.9 Hours

Environment

Temp: 34 °C

Axial Tilt: 37.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 89,795,408 km

• M1: 641,326 km (0.111 R)
• M2: 1,008,290 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.25 AU - 1.85 AU

Year: 678 Days

Day: 31.9 Hours

Environment

Temp: -8 °C

Axial Tilt: 38.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 89,795,408 km

• M1: 78,988 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.86 AU - 2.66 AU

Year: 1194 Days

Day: 36.6 Hours

Environment

Temp: -57 °C

Axial Tilt: 54.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.03 AU - 3.07 AU

Year: 1431 Days

Day: 26.1 Hours

Environment

Temp: -72 °C

Axial Tilt: 136.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.25 AU - 3.67 AU

Year: 2262 Days

Day: 29.4 Hours

Environment

Temp: -107 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Terrestrial

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.06 AU - 5.86 AU

Year: 4484 Days

Day: 33.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 132.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.7

Radius: 8.1

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.63 AU - 5.99 AU

Year: 4922 Days

Day: 8.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 68 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,795,408 km

• M1: 101,128 km (0.072 R)
• M2: 362,027 km (0.078 R)
• M3: 680,371 km (0.044 R)
• M4: 939,774 km (0.078 R)
• M5: 1,291,179 km (0.063 R)
• M6: 1,729,351 km (0.097 R)
• M7: 2,350,033 km (0.106 R)
• M8: 3,006,020 km (0.1 R)
• M9: 3,937,117 km (0.074 R)
• M10: 4,305,876 km (0.115 R)
• M11: 4,637,085 km (0.099 R)
• M12: 5,198,376 km (0.084 R)
• M13: 6,016,228 km (0.11 R)
• M14: 6,943,436 km (0.099 R)
• M15: 7,372,632 km (0.113 R)
• M16: 8,403,212 km (0.04 R)
• M17: 10,960,587 km (0.084 R)
• M18: 11,212,959 km (0.098 R)
• M19: 14,037,965 km (0.031 R)
• M20: 14,378,599 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.2

Radius: 6.5

Gravity: 18.56 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 16.04 AU - 17.34 AU

Year: 23964 Days

Day: 16 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 89,795,408 km

• M1: 80,783 km (0.069 R)
• M2: 348,713 km (0.069 R)
• M3: 705,952 km (0.077 R)
• M4: 923,617 km (0.066 R)
• M5: 1,186,760 km (0.12 R)
• M6: 1,432,699 km (0.093 R)
• M7: 2,008,351 km (0.054 R)
• M8: 3,545,170 km (0.037 R)
• M9: 4,094,494 km (0.102 R)
• M10: 4,336,693 km (0.063 R)
• M11: 4,699,168 km (0.088 R)
• M12: 5,736,929 km (0.03 R)
• M13: 9,159,429 km (0.116 R)
• M14: 9,695,737 km (0.102 R)
• M15: 9,940,629 km (0.062 R)
• M16: 12,406,600 km (0.084 R)
• M17: 12,695,474 km (0.083 R)
• M18: 14,207,609 km (0.08 R)
• M19: 22,300,704 km (0.117 R)
• M20: 22,943,676 km (0.092 R)
• M21: 26,108,568 km (0.101 R)
• M22: 29,681,265 km (0.058 R)
• M23: 31,117,404 km (0.119 R)
• M24: 33,149,841 km (0.052 R)
• M25: 40,088,489 km (0.096 R)
• M26: 45,158,810 km (0.117 R)
• M27: 47,582,445 km (0.067 R)
• M28: 51,008,536 km (0.099 R)
• M29: 53,826,810 km (0.074 R)
• M30: 56,154,852 km (0.037 R)
• M31: 57,543,419 km (0.09 R)
• M32: 65,482,728 km (0.106 R)
• M33: 66,578,832 km (0.082 R)
• M34: 71,316,297 km (0.105 R)
• M35: 78,959,551 km (0.077 R)
• M36: 86,341,757 km (0.03 R)

Kuiper Belt

Range: 31.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 12,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit