🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.49 AU - 0.73 AU

Year: 174 Days

Day: 45.6 Hours

Environment

Temp: 209 °C

Axial Tilt: 29.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.01 AU - 1.03 AU

Year: 376 Days

Day: 25.6 Hours

Environment

Temp: 31 °C

Axial Tilt: 12.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 92,235,837 km

• M1: 357,689 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.37 AU - 1.87 AU

Year: 753 Days

Day: 29.3 Hours

Environment

Temp: -54 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.6 AU - 2.18 AU

Year: 949 Days

Day: 24.4 Hours

Environment

Temp: -69 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.96 AU - 3.2 AU

Year: 1514 Days

Day: 28.6 Hours

Environment

Temp: -98 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.72 AU - 3.9 AU

Year: 2200 Days

Day: 31.7 Hours

Environment

Temp: -112 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.1

Radius: 9.1

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.38 AU - 5.66 AU

Year: 4737 Days

Day: 7.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 92,235,837 km

• M1: 113,246 km (0.066 R)
• M2: 892,800 km (0.071 R)
• M3: 1,489,097 km (0.093 R)
• M4: 1,837,660 km (0.119 R)
• M5: 3,037,435 km (0.086 R)
• M6: 4,034,355 km (0.06 R)
• M7: 4,595,946 km (0.111 R)
• M8: 7,789,262 km (0.069 R)
• M9: 8,811,614 km (0.069 R)
• M10: 9,276,115 km (0.072 R)
• M11: 9,675,541 km (0.108 R)
• M12: 10,086,487 km (0.1 R)
• M13: 12,223,343 km (0.111 R)
• M14: 12,606,762 km (0.105 R)
• M15: 13,856,952 km (0.099 R)
• M16: 14,538,819 km (0.096 R)
• M17: 17,013,167 km (0.113 R)
• M18: 17,551,869 km (0.119 R)
• M19: 20,018,589 km (0.082 R)
• M20: 22,421,280 km (0.044 R)
• M21: 25,317,944 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.2

Radius: 5.5

Gravity: 26.55 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 11.58 AU - 13.84 AU

Year: 16550 Days

Day: 19.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 92,235,837 km

• M1: 70,461 km (0.087 R)
• M2: 446,998 km (0.119 R)
• M3: 831,016 km (0.1 R)
• M4: 1,032,973 km (0.052 R)
• M5: 1,506,002 km (0.105 R)
• M6: 1,686,866 km (0.109 R)
• M7: 2,561,564 km (0.116 R)
• M8: 4,422,711 km (0.034 R)
• M9: 5,340,345 km (0.113 R)
• M10: 6,378,704 km (0.09 R)
• M11: 6,679,844 km (0.091 R)
• M12: 6,945,530 km (0.097 R)
• M13: 7,736,454 km (0.105 R)
• M14: 9,385,621 km (0.108 R)
• M15: 9,606,876 km (0.111 R)
• M16: 10,002,712 km (0.107 R)
• M17: 11,070,542 km (0.087 R)
• M18: 15,948,031 km (0.102 R)
• M19: 16,825,572 km (0.086 R)
• M20: 18,939,090 km (0.1 R)
• M21: 19,561,118 km (0.06 R)
• M22: 33,083,719 km (0.11 R)
• M23: 35,035,522 km (0.078 R)
• M24: 36,242,627 km (0.05 R)
• M25: 38,598,195 km (0.117 R)
• M26: 40,175,406 km (0.099 R)
• M27: 40,906,491 km (0.103 R)
• M28: 44,383,444 km (0.091 R)
• M29: 48,216,441 km (0.079 R)
• M30: 48,545,407 km (0.106 R)
• M31: 50,890,652 km (0.05 R)
• M32: 54,726,940 km (0.088 R)
• M33: 56,350,376 km (0.037 R)
• M34: 60,835,919 km (0.106 R)
• M35: 63,756,967 km (0.039 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.8

Radius: 7.8

Gravity: 15.1 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 13.01 AU - 18.69 AU

Year: 23048 Days

Day: 18.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 92,235,837 km

• M1: 97,987 km (0.091 R)
• M2: 670,946 km (0.069 R)
• M3: 1,105,079 km (0.073 R)
• M4: 1,519,466 km (0.112 R)
• M5: 1,773,184 km (0.073 R)
• M6: 4,115,587 km (0.034 R)
• M7: 4,504,242 km (0.059 R)
• M8: 4,917,132 km (0.074 R)
• M9: 5,192,841 km (0.083 R)
• M10: 5,647,170 km (0.1 R)
• M11: 7,422,747 km (0.109 R)
• M12: 7,945,741 km (0.114 R)
• M13: 8,493,120 km (0.078 R)
• M14: 9,847,429 km (0.093 R)
• M15: 11,340,117 km (0.111 R)
• M16: 16,364,960 km (0.048 R)
• M17: 17,522,249 km (0.092 R)
• M18: 19,116,813 km (0.086 R)
• M19: 24,364,108 km (0.106 R)
• M20: 29,712,231 km (0.118 R)
• M21: 31,972,356 km (0.053 R)
• M22: 40,703,636 km (0.063 R)
• M23: 43,319,055 km (0.117 R)
• M24: 45,009,511 km (0.101 R)
• M25: 54,903,316 km (0.036 R)
• M26: 68,391,958 km (0.081 R)
• M27: 83,411,734 km (0.068 R)
• M28: 84,710,841 km (0.04 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 11,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit