🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.56 AU - 0.6 AU

Year: 161 Days

Day: 20.2 Hours

Environment

Temp: 172 °C

Axial Tilt: 9.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.67 AU - 0.71 AU

Year: 208 Days

Day: 15 Hours

Environment

Temp: 183 °C

Axial Tilt: 15 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.69 AU - 0.91 AU

Year: 260 Days

Day: 23.3 Hours

Environment

Temp: 108 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 28,562,692 km

• M1: 43,683 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.75 AU - 1.17 AU

Year: 342 Days

Day: 31 Hours

Environment

Temp: 115 °C

Axial Tilt: 34 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.03 AU - 1.11 AU

Year: 402 Days

Day: 41.8 Hours

Environment

Temp: 18 °C

Axial Tilt: 31.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 28,562,692 km

• M1: 94,396 km (0.111 R)
• M2: 502,649 km (0.093 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.61 AU - 1.97 AU

Year: 870 Days

Day: 24.2 Hours

Environment

Temp: -43 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.92 AU - 2.26 AU

Year: 1098 Days

Day: 45.1 Hours

Environment

Temp: -66 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,562,692 km

• M1: 1,403,078 km (0.111 R)

Planet 8 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.36 AU - 2.54 AU

Year: 1394 Days

Day: 41.8 Hours

Environment

Temp: -75 °C

Axial Tilt: 46.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.74 AU - 4.94 AU

Year: 3286 Days

Day: 47.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.08 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.5

Radius: 9.5

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.42 AU - 6.2 AU

Year: 5090 Days

Day: 13 Hours

Environment

Temp: -141 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 28,562,692 km

• M1: 121,473 km (0.107 R)
• M2: 482,603 km (0.081 R)
• M3: 933,192 km (0.087 R)
• M4: 2,064,301 km (0.108 R)
• M5: 2,978,045 km (0.062 R)
• M6: 3,935,920 km (0.107 R)
• M7: 4,234,218 km (0.051 R)
• M8: 4,597,143 km (0.095 R)
• M9: 6,385,884 km (0.063 R)
• M10: 6,766,910 km (0.089 R)
• M11: 7,096,025 km (0.111 R)
• M12: 7,435,762 km (0.107 R)
• M13: 7,929,734 km (0.036 R)
• M14: 9,874,656 km (0.053 R)
• M15: 11,320,520 km (0.104 R)
• M16: 12,802,885 km (0.118 R)
• M17: 13,564,637 km (0.044 R)
• M18: 15,122,998 km (0.083 R)
• M19: 15,459,743 km (0.092 R)
• M20: 16,323,671 km (0.056 R)
• M21: 22,412,304 km (0.118 R)
• M22: 23,819,272 km (0.092 R)
• M23: 24,199,101 km (0.029 R)
• M24: 25,520,798 km (0.104 R)
• M25: 26,482,264 km (0.089 R)
• M26: 27,801,567 km (0.113 R)
• M27: 28,392,329 km (0.078 R)

Kuiper Belt

Range: 30.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 11,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit