🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.73 AU - 0.77 AU

Year: 250 Days

Day: 23.6 Hours

Environment

Temp: 119 °C

Axial Tilt: 23.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.73 AU - 0.89 AU

Year: 281 Days

Day: 19.5 Hours

Environment

Temp: 43 °C

Axial Tilt: 71.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 57,326,875 km

• M1: 439,519 km (0.073 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.79 AU - 0.89 AU

Year: 296 Days

Day: 35.3 Hours

Environment

Temp: 14 °C

Axial Tilt: 33.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.04 AU - 1.52 AU

Year: 558 Days

Day: 45.9 Hours

Environment

Temp: -42 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.07 AU - 1.61 AU

Year: 597 Days

Day: 30.5 Hours

Environment

Temp: -43 °C

Axial Tilt: 141.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,326,875 km

• M1: 131,347 km (0.102 R)

Asteroid Belt

Center: 2.7 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.5

Radius: 12.4

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.88 AU - 4.22 AU

Year: 3138 Days

Day: 5.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,326,875 km

• M1: 155,133 km (0.099 R)
• M2: 640,578 km (0.093 R)
• M3: 1,086,679 km (0.11 R)
• M4: 1,476,980 km (0.113 R)
• M5: 2,073,127 km (0.116 R)
• M6: 2,499,182 km (0.05 R)
• M7: 3,441,499 km (0.109 R)
• M8: 4,330,260 km (0.071 R)
• M9: 5,198,676 km (0.066 R)
• M10: 6,450,361 km (0.098 R)
• M11: 6,986,669 km (0.033 R)
• M12: 7,521,781 km (0.119 R)
• M13: 8,474,869 km (0.066 R)
• M14: 9,722,665 km (0.118 R)
• M15: 10,620,402 km (0.101 R)
• M16: 12,238,303 km (0.106 R)
• M17: 13,600,840 km (0.111 R)
• M18: 15,062,262 km (0.108 R)
• M19: 17,528,083 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.2

Radius: 10.9

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.66 AU - 5.94 AU

Year: 4049 Days

Day: 6 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,326,875 km

• M1: 135,984 km (0.036 R)
• M2: 679,324 km (0.083 R)
• M3: 1,182,721 km (0.104 R)
• M4: 1,944,922 km (0.091 R)
• M5: 2,554,234 km (0.109 R)
• M6: 3,649,440 km (0.07 R)
• M7: 4,038,395 km (0.112 R)
• M8: 4,933,588 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.5

Radius: 13.8

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.67 AU - 6.11 AU

Year: 4163 Days

Day: 14.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,326,875 km

• M1: 171,738 km (0.071 R)
• M2: 620,382 km (0.095 R)
• M3: 1,064,389 km (0.116 R)
• M4: 1,743,114 km (0.05 R)
• M5: 2,903,994 km (0.044 R)
• M6: 5,400,034 km (0.065 R)
• M7: 5,909,864 km (0.093 R)
• M8: 11,192,763 km (0.085 R)
• M9: 12,249,223 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.2

Radius: 9.2

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.55 AU - 9.91 AU

Year: 11685 Days

Day: 12.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 103.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,326,875 km

• M1: 116,238 km (0.068 R)
• M2: 810,521 km (0.113 R)
• M3: 1,438,832 km (0.077 R)
• M4: 1,902,586 km (0.107 R)
• M5: 2,382,944 km (0.114 R)
• M6: 2,674,062 km (0.093 R)
• M7: 4,086,415 km (0.07 R)
• M8: 4,889,008 km (0.106 R)
• M9: 7,223,184 km (0.063 R)
• M10: 8,632,096 km (0.072 R)
• M11: 14,082,246 km (0.067 R)
• M12: 15,754,002 km (0.106 R)
• M13: 17,398,980 km (0.109 R)
• M14: 17,945,611 km (0.101 R)
• M15: 21,826,778 km (0.034 R)
• M16: 23,581,412 km (0.112 R)
• M17: 26,132,205 km (0.118 R)
• M18: 30,182,866 km (0.028 R)
• M19: 35,623,292 km (0.096 R)
• M20: 39,503,263 km (0.07 R)
• M21: 42,380,927 km (0.075 R)
• M22: 44,375,216 km (0.032 R)
• M23: 47,030,130 km (0.059 R)
• M24: 47,634,206 km (0.12 R)
• M25: 51,367,720 km (0.062 R)
• M26: 52,330,682 km (0.095 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 13,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit