🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.67 AU - 0.73 AU

Year: 215 Days

Day: 14.7 Hours

Environment

Temp: 176 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.09 AU - 1.13 AU

Year: 429 Days

Day: 47.6 Hours

Environment

Temp: 10 °C

Axial Tilt: 10.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 76,811,556 km

• M1: 69,862 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.88 AU - 1.38 AU

Year: 441 Days

Day: 15 Hours

Environment

Temp: -3 °C

Axial Tilt: 12.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.24 AU - 1.5 AU

Year: 589 Days

Day: 36.7 Hours

Environment

Temp: -36 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,811,556 km

• M1: 29,620 km (0.053 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.46 AU - 1.78 AU

Year: 757 Days

Day: 47.8 Hours

Environment

Temp: -37 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.25 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.1

Radius: 10.3

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.89 AU - 5.85 AU

Year: 3945 Days

Day: 6.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,811,556 km

• M1: 135,236 km (0.101 R)
• M2: 891,155 km (0.106 R)
• M3: 2,052,632 km (0.118 R)
• M4: 2,852,532 km (0.081 R)
• M5: 4,799,997 km (0.027 R)
• M6: 5,222,162 km (0.082 R)
• M7: 5,755,479 km (0.098 R)
• M8: 6,293,882 km (0.043 R)
• M9: 6,639,303 km (0.071 R)
• M10: 8,112,992 km (0.064 R)
• M11: 8,447,193 km (0.066 R)
• M12: 9,064,135 km (0.071 R)
• M13: 12,267,325 km (0.088 R)
• M14: 16,156,720 km (0.05 R)
• M15: 19,120,403 km (0.087 R)
• M16: 20,116,276 km (0.089 R)
• M17: 22,574,169 km (0.072 R)
• M18: 25,147,103 km (0.097 R)
• M19: 25,939,672 km (0.053 R)
• M20: 27,408,125 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.8

Radius: 4.1

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 10.74 AU - 16.9 AU

Year: 18860 Days

Day: 21.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,811,556 km

• M1: 54,454 km (0.065 R)
• M2: 235,617 km (0.108 R)
• M3: 786,885 km (0.096 R)
• M4: 4,162,860 km (0.064 R)
• M5: 4,347,314 km (0.11 R)
• M6: 10,332,127 km (0.113 R)
• M7: 13,548,630 km (0.091 R)
• M8: 15,218,741 km (0.051 R)
• M9: 17,079,888 km (0.111 R)
• M10: 19,854,629 km (0.034 R)
• M11: 22,702,225 km (0.044 R)
• M12: 23,855,026 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.2

Radius: 7.6

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 12.14 AU - 18.72 AU

Year: 22250 Days

Day: 17.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,811,556 km

• M1: 97,388 km (0.118 R)
• M2: 536,009 km (0.117 R)
• M3: 843,134 km (0.102 R)
• M4: 3,114,777 km (0.072 R)
• M5: 3,917,071 km (0.033 R)
• M6: 9,863,287 km (0.065 R)
• M7: 16,261,737 km (0.038 R)
• M8: 17,543,941 km (0.12 R)
• M9: 18,125,428 km (0.119 R)
• M10: 18,978,584 km (0.062 R)
• M11: 20,856,636 km (0.068 R)
• M12: 24,978,506 km (0.077 R)
• M13: 29,496,063 km (0.08 R)
• M14: 30,914,550 km (0.078 R)
• M15: 36,505,770 km (0.085 R)
• M16: 43,636,053 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.7

Radius: 3.3

Gravity: 30.73 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 16.26 AU - 20.58 AU

Year: 29021 Days

Day: 22.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,811,556 km

• M1: 40,990 km (0.086 R)
• M2: 209,736 km (0.114 R)
• M3: 567,574 km (0.091 R)
• M4: 712,086 km (0.104 R)
• M5: 1,037,312 km (0.087 R)
• M6: 2,556,628 km (0.04 R)
• M7: 3,835,839 km (0.114 R)
• M8: 6,360,303 km (0.055 R)
• M9: 7,464,934 km (0.107 R)
• M10: 10,588,388 km (0.108 R)
• M11: 10,898,055 km (0.097 R)
• M12: 12,605,865 km (0.086 R)
• M13: 16,458,159 km (0.106 R)
• M14: 18,073,218 km (0.067 R)
• M15: 21,614,499 km (0.101 R)
• M16: 32,688,332 km (0.105 R)
• M17: 33,741,501 km (0.111 R)
• M18: 41,600,176 km (0.052 R)
• M19: 47,187,806 km (0.09 R)
• M20: 51,295,165 km (0.077 R)
• M21: 53,254,897 km (0.105 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 14,105 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit