🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.76 AU - 0.8 AU

Year: 248 Days

Day: 35.5 Hours

Environment

Temp: 136 °C

Axial Tilt: 33.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.2 AU - 1.5 AU

Year: 565 Days

Day: 39.5 Hours

Environment

Temp: -6 °C

Axial Tilt: 13.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 115,349,232 km

• M1: 40,391 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.25 AU - 1.75 AU

Year: 661 Days

Day: 42.6 Hours

Environment

Temp: -34 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.96 AU - 2.32 AU

Year: 1127 Days

Day: 46.9 Hours

Environment

Temp: -68 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.44 AU - 3.02 AU

Year: 1623 Days

Day: 42.6 Hours

Environment

Temp: -96 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.8

Radius: 13.1

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.5 AU - 8.64 AU

Year: 8251 Days

Day: 11.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 115,349,232 km

• M1: 166,203 km (0.088 R)
• M2: 887,415 km (0.041 R)
• M3: 1,976,337 km (0.085 R)
• M4: 3,556,241 km (0.11 R)
• M5: 4,808,076 km (0.074 R)
• M6: 5,826,687 km (0.108 R)
• M7: 6,335,171 km (0.071 R)
• M8: 6,947,176 km (0.119 R)
• M9: 10,227,558 km (0.106 R)
• M10: 12,729,133 km (0.09 R)
• M11: 13,529,781 km (0.118 R)
• M12: 16,068,606 km (0.081 R)
• M13: 17,346,771 km (0.083 R)
• M14: 18,764,211 km (0.119 R)
• M15: 19,726,274 km (0.115 R)
• M16: 21,588,170 km (0.11 R)
• M17: 23,820,020 km (0.095 R)
• M18: 26,936,892 km (0.085 R)
• M19: 36,864,356 km (0.066 R)
• M20: 37,787,674 km (0.104 R)
• M21: 38,608,069 km (0.071 R)
• M22: 39,320,753 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.7

Radius: 12.4

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.45 AU - 11.49 AU

Year: 11330 Days

Day: 14.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 115,349,232 km

• M1: 154,235 km (0.089 R)
• M2: 579,991 km (0.12 R)
• M3: 1,018,761 km (0.087 R)
• M4: 1,583,942 km (0.114 R)
• M5: 2,571,288 km (0.077 R)
• M6: 3,049,104 km (0.09 R)
• M7: 3,509,117 km (0.11 R)
• M8: 4,570,664 km (0.096 R)
• M9: 5,310,724 km (0.099 R)
• M10: 6,588,440 km (0.072 R)
• M11: 6,988,764 km (0.067 R)
• M12: 7,706,983 km (0.084 R)
• M13: 8,242,992 km (0.063 R)
• M14: 8,756,263 km (0.049 R)
• M15: 9,693,044 km (0.112 R)
• M16: 10,478,732 km (0.098 R)
• M17: 10,970,311 km (0.07 R)
• M18: 11,477,298 km (0.107 R)
• M19: 12,118,026 km (0.105 R)
• M20: 15,615,923 km (0.051 R)
• M21: 16,330,552 km (0.098 R)
• M22: 19,819,324 km (0.099 R)
• M23: 21,693,786 km (0.09 R)
• M24: 23,313,033 km (0.06 R)
• M25: 25,990,087 km (0.11 R)
• M26: 27,608,586 km (0.113 R)
• M27: 39,670,663 km (0.114 R)
• M28: 40,732,658 km (0.028 R)
• M29: 41,541,534 km (0.111 R)
• M30: 42,361,031 km (0.064 R)
• M31: 47,952,999 km (0.113 R)
• M32: 51,003,150 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.3

Radius: 5.9

Gravity: 26.47 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 19.94 AU - 20.06 AU

Year: 32190 Days

Day: 20.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 115,349,232 km

• M1: 80,783 km (0.057 R)
• M2: 303,983 km (0.086 R)
• M3: 545,583 km (0.082 R)
• M4: 745,596 km (0.091 R)
• M5: 1,171,800 km (0.104 R)
• M6: 1,896,303 km (0.083 R)
• M7: 2,146,580 km (0.102 R)
• M8: 4,973,531 km (0.032 R)
• M9: 5,632,958 km (0.086 R)
• M10: 7,340,917 km (0.07 R)
• M11: 8,372,245 km (0.109 R)
• M12: 9,367,071 km (0.045 R)
• M13: 13,470,091 km (0.095 R)
• M14: 15,185,680 km (0.101 R)
• M15: 17,924,368 km (0.114 R)
• M16: 18,225,209 km (0.068 R)
• M17: 19,994,055 km (0.091 R)
• M18: 26,626,775 km (0.093 R)
• M19: 31,439,638 km (0.026 R)
• M20: 32,764,776 km (0.119 R)
• M21: 43,279,412 km (0.103 R)
• M22: 49,291,302 km (0.025 R)
• M23: 53,525,071 km (0.076 R)
• M24: 66,703,895 km (0.115 R)
• M25: 68,154,097 km (0.036 R)
• M26: 70,368,594 km (0.076 R)
• M27: 87,803,927 km (0.12 R)
• M28: 101,743,756 km (0.106 R)
• M29: 102,700,883 km (0.115 R)

Kuiper Belt

Range: 30.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 16,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit