🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.86 AU - 1.1 AU

Year: 339 Days

Day: 29.7 Hours

Environment

Temp: 119 °C

Axial Tilt: 101.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.01 AU - 1.43 AU

Year: 471 Days

Day: 35.1 Hours

Environment

Temp: 31 °C

Axial Tilt: 6.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.96 AU - 1.5 AU

Year: 477 Days

Day: 37.5 Hours

Environment

Temp: 8 °C

Axial Tilt: 30 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 100,322,146 km

• M1: 242,049 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.12 AU - 1.44 AU

Year: 507 Days

Day: 21.9 Hours

Environment

Temp: 11 °C

Axial Tilt: 17.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.55 AU - 1.61 AU

Year: 695 Days

Day: 43 Hours

Environment

Temp: -19 °C

Axial Tilt: 8.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.52 AU - 2.02 AU

Year: 824 Days

Day: 24.2 Hours

Environment

Temp: -40 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.77 AU - 2.37 AU

Year: 1042 Days

Day: 26 Hours

Environment

Temp: -54 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.2

Radius: 13.7

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.05 AU - 7.19 AU

Year: 5959 Days

Day: 10.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 100,322,146 km

• M1: 171,140 km (0.082 R)
• M2: 784,790 km (0.113 R)
• M3: 1,438,084 km (0.068 R)
• M4: 1,870,123 km (0.054 R)
• M5: 2,390,873 km (0.098 R)
• M6: 3,127,792 km (0.105 R)
• M7: 3,964,194 km (0.049 R)
• M8: 4,618,984 km (0.113 R)
• M9: 5,705,364 km (0.108 R)
• M10: 6,576,023 km (0.114 R)
• M11: 8,380,922 km (0.099 R)
• M12: 9,120,683 km (0.095 R)
• M13: 10,403,934 km (0.102 R)
• M14: 12,160,213 km (0.094 R)
• M15: 13,163,266 km (0.089 R)
• M16: 14,682,732 km (0.041 R)
• M17: 18,269,939 km (0.067 R)
• M18: 19,941,695 km (0.076 R)
• M19: 20,888,799 km (0.055 R)
• M20: 21,411,195 km (0.114 R)
• M21: 22,249,542 km (0.043 R)
• M22: 24,154,521 km (0.118 R)
• M23: 28,106,298 km (0.078 R)
• M24: 30,140,680 km (0.116 R)
• M25: 31,097,059 km (0.104 R)
• M26: 32,172,368 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.3

Radius: 4.3

Gravity: 33.22 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 18.4 AU - 22.18 AU

Year: 31974 Days

Day: 21 Hours

Environment

Temp: -205 °C

Axial Tilt: 63.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 100,322,146 km

• M1: 54,005 km (0.067 R)
• M2: 322,832 km (0.105 R)
• M3: 667,954 km (0.086 R)
• M4: 820,096 km (0.111 R)
• M5: 982,110 km (0.12 R)
• M6: 1,371,364 km (0.114 R)
• M7: 2,653,866 km (0.108 R)
• M8: 3,040,577 km (0.11 R)
• M9: 3,559,382 km (0.107 R)
• M10: 4,206,842 km (0.11 R)
• M11: 4,577,396 km (0.115 R)
• M12: 5,865,134 km (0.101 R)
• M13: 6,665,184 km (0.111 R)
• M14: 6,863,401 km (0.101 R)
• M15: 7,271,952 km (0.07 R)
• M16: 7,696,511 km (0.103 R)
• M17: 9,374,401 km (0.034 R)
• M18: 9,686,462 km (0.082 R)
• M19: 13,276,063 km (0.066 R)
• M20: 15,493,851 km (0.119 R)
• M21: 16,284,775 km (0.099 R)
• M22: 20,751,469 km (0.051 R)
• M23: 21,174,531 km (0.1 R)
• M24: 23,605,048 km (0.045 R)
• M25: 25,125,411 km (0.108 R)
• M26: 33,859,384 km (0.067 R)
• M27: 34,005,391 km (0.107 R)
• M28: 34,298,453 km (0.074 R)
• M29: 37,478,605 km (0.094 R)
• M30: 40,356,120 km (0.092 R)
• M31: 43,377,698 km (0.101 R)
• M32: 43,895,456 km (0.113 R)
• M33: 48,742,726 km (0.099 R)
• M34: 50,815,704 km (0.083 R)
• M35: 52,554,779 km (0.108 R)
• M36: 59,483,105 km (0.09 R)
• M37: 59,908,562 km (0.042 R)
• M38: 61,197,347 km (0.069 R)
• M39: 67,687,352 km (0.09 R)
• M40: 69,319,764 km (0.066 R)
• M41: 82,804,516 km (0.113 R)
• M42: 90,719,590 km (0.082 R)
• M43: 91,849,353 km (0.101 R)
• M44: 92,417,675 km (0.119 R)

Kuiper Belt

Range: 31.4 - 51.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 16,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit