🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.68 AU - 0.96 AU

Year: 269 Days

Day: 28.9 Hours

Environment

Temp: 153 °C

Axial Tilt: 16.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.1 AU - 1.64 AU

Year: 580 Days

Day: 22.3 Hours

Environment

Temp: -7 °C

Axial Tilt: 22.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 72,477,621 km

• M1: 20,495 km (0.105 R)
• M2: 277,803 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.29 AU - 1.53 AU

Year: 606 Days

Day: 37.5 Hours

Environment

Temp: -22 °C

Axial Tilt: 46.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.64 AU - 4.06 AU

Year: 2732 Days

Day: 25.8 Hours

Environment

Temp: -115 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.89 AU - 5.45 AU

Year: 3650 Days

Day: 33.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,477,621 km

• M1: 24,085 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.9

Radius: 11.1

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.88 AU - 8.72 AU

Year: 7133 Days

Day: 12.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,477,621 km

• M1: 147,354 km (0.104 R)
• M2: 567,874 km (0.073 R)
• M3: 943,065 km (0.107 R)
• M4: 1,401,882 km (0.064 R)
• M5: 2,089,583 km (0.053 R)
• M6: 2,530,298 km (0.083 R)
• M7: 3,297,137 km (0.07 R)
• M8: 4,543,587 km (0.074 R)
• M9: 5,742,015 km (0.092 R)
• M10: 9,669,408 km (0.101 R)
• M11: 10,298,168 km (0.105 R)
• M12: 11,318,575 km (0.054 R)
• M13: 11,962,444 km (0.119 R)
• M14: 13,739,068 km (0.111 R)
• M15: 14,286,297 km (0.119 R)
• M16: 17,524,493 km (0.116 R)
• M17: 18,680,137 km (0.043 R)
• M18: 19,808,852 km (0.108 R)
• M19: 25,140,221 km (0.09 R)
• M20: 27,268,999 km (0.03 R)
• M21: 27,939,946 km (0.082 R)
• M22: 29,016,751 km (0.068 R)
• M23: 33,820,787 km (0.085 R)
• M24: 34,595,405 km (0.061 R)
• M25: 36,757,842 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.2

Radius: 6.8

Gravity: 21.48 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 10.85 AU - 17.47 AU

Year: 19270 Days

Day: 18.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,477,621 km

• M1: 84,523 km (0.059 R)
• M2: 305,180 km (0.112 R)
• M3: 766,091 km (0.067 R)
• M4: 2,682,888 km (0.077 R)
• M5: 3,211,717 km (0.086 R)
• M6: 3,871,144 km (0.11 R)
• M7: 6,664,735 km (0.116 R)
• M8: 7,480,342 km (0.099 R)
• M9: 9,718,626 km (0.083 R)
• M10: 10,019,018 km (0.115 R)
• M11: 11,548,208 km (0.097 R)
• M12: 21,170,343 km (0.113 R)
• M13: 22,396,297 km (0.106 R)
• M14: 33,681,811 km (0.026 R)
• M15: 34,231,882 km (0.072 R)
• M16: 41,150,335 km (0.047 R)
• M17: 41,463,892 km (0.11 R)
• M18: 47,726,807 km (0.07 R)
• M19: 48,770,103 km (0.075 R)
• M20: 55,350,763 km (0.069 R)
• M21: 56,502,069 km (0.095 R)
• M22: 57,865,354 km (0.042 R)
• M23: 58,456,266 km (0.055 R)
• M24: 64,167,164 km (0.079 R)
• M25: 65,012,243 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.1

Radius: 7

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 15.14 AU - 15.82 AU

Year: 22027 Days

Day: 23.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,477,621 km

• M1: 87,066 km (0.1 R)
• M2: 632,051 km (0.1 R)
• M3: 1,191,248 km (0.075 R)
• M4: 1,496,128 km (0.048 R)
• M5: 2,080,906 km (0.109 R)
• M6: 3,665,447 km (0.083 R)
• M7: 5,112,806 km (0.045 R)
• M8: 5,450,299 km (0.101 R)
• M9: 6,338,013 km (0.106 R)
• M10: 6,906,036 km (0.11 R)
• M11: 11,172,268 km (0.108 R)
• M12: 17,845,530 km (0.071 R)
• M13: 18,535,027 km (0.105 R)
• M14: 24,704,742 km (0.106 R)
• M15: 29,659,872 km (0.088 R)
• M16: 30,261,854 km (0.059 R)
• M17: 30,749,094 km (0.079 R)
• M18: 31,739,432 km (0.118 R)
• M19: 35,914,110 km (0.034 R)
• M20: 37,429,686 km (0.096 R)
• M21: 38,132,497 km (0.117 R)
• M22: 38,415,985 km (0.06 R)
• M23: 40,147,132 km (0.077 R)
• M24: 46,777,010 km (0.058 R)
• M25: 48,583,105 km (0.074 R)
• M26: 50,948,397 km (0.108 R)
• M27: 53,035,886 km (0.08 R)
• M28: 56,456,740 km (0.097 R)
• M29: 58,314,896 km (0.091 R)
• M30: 61,178,049 km (0.107 R)
• M31: 61,761,780 km (0.072 R)
• M32: 63,138,081 km (0.084 R)
• M33: 72,044,091 km (0.094 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 15,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit