🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.63 AU - 0.83 AU

Year: 227 Days

Day: 29.9 Hours

Environment

Temp: 113 °C

Axial Tilt: 48 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,322,582 km

• M1: 102,475 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.41 AU - 1.63 AU

Year: 681 Days

Day: 26.5 Hours

Environment

Temp: -43 °C

Axial Tilt: 48.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,322,582 km

• M1: 15,558 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.35 AU - 1.79 AU

Year: 715 Days

Day: 39.4 Hours

Environment

Temp: -48 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,322,582 km

• M1: 43,234 km (0.042 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.54 AU - 1.98 AU

Year: 849 Days

Day: 15.5 Hours

Environment

Temp: -45 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.99 AU - 2.99 AU

Year: 1879 Days

Day: 46.6 Hours

Environment

Temp: -92 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.62 AU - 4.32 AU

Year: 2875 Days

Day: 16.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.7

Radius: 11.7

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.93 AU - 7.01 AU

Year: 5981 Days

Day: 5.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,322,582 km

• M1: 145,559 km (0.056 R)
• M2: 571,763 km (0.037 R)
• M3: 1,086,829 km (0.095 R)
• M4: 1,539,811 km (0.11 R)
• M5: 2,878,413 km (0.095 R)
• M6: 3,268,414 km (0.061 R)
• M7: 4,283,885 km (0.071 R)
• M8: 6,717,094 km (0.106 R)
• M9: 8,555,951 km (0.078 R)
• M10: 12,545,577 km (0.073 R)
• M11: 15,806,212 km (0.038 R)
• M12: 18,040,306 km (0.066 R)
• M13: 21,310,665 km (0.031 R)
• M14: 22,245,503 km (0.093 R)
• M15: 23,288,798 km (0.112 R)
• M16: 24,957,114 km (0.089 R)
• M17: 26,171,399 km (0.046 R)
• M18: 35,581,106 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.5

Radius: 12.4

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.66 AU - 9.18 AU

Year: 9682 Days

Day: 10.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,322,582 km

• M1: 161,865 km (0.06 R)
• M2: 800,498 km (0.113 R)
• M3: 1,874,461 km (0.108 R)
• M4: 4,766,338 km (0.119 R)
• M5: 6,534,136 km (0.074 R)
• M6: 10,998,435 km (0.044 R)
• M7: 12,542,884 km (0.103 R)
• M8: 13,187,501 km (0.085 R)
• M9: 15,922,150 km (0.105 R)
• M10: 16,748,230 km (0.071 R)
• M11: 18,711,402 km (0.079 R)
• M12: 21,644,867 km (0.1 R)
• M13: 25,609,959 km (0.115 R)
• M14: 27,714,352 km (0.069 R)
• M15: 28,607,601 km (0.117 R)
• M16: 29,213,622 km (0.116 R)
• M17: 29,828,319 km (0.08 R)
• M18: 30,661,131 km (0.037 R)
• M19: 32,373,428 km (0.066 R)
• M20: 33,364,215 km (0.119 R)
• M21: 34,148,706 km (0.107 R)
• M22: 40,492,553 km (0.119 R)
• M23: 41,642,662 km (0.117 R)

Kuiper Belt

Range: 30.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 13,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit