🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.52 AU - 0.64 AU

Year: 162 Days

Day: 36.7 Hours

Environment

Temp: 194 °C

Axial Tilt: 38 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 108,007,533 km

• M1: 39,045 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.55 AU - 0.79 AU

Year: 201 Days

Day: 37.6 Hours

Environment

Temp: 177 °C

Axial Tilt: 26 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 108,007,533 km

• M1: 353,201 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.78 AU - 1 AU

Year: 308 Days

Day: 18.5 Hours

Environment

Temp: 87 °C

Axial Tilt: 37.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 108,007,533 km

• M1: 39,643 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.14 AU - 4.48 AU

Year: 2730 Days

Day: 27 Hours

Environment

Temp: -121 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.8

Radius: 12.3

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.87 AU - 5.27 AU

Year: 4191 Days

Day: 14.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 108,007,533 km

• M1: 153,039 km (0.115 R)
• M2: 592,108 km (0.078 R)
• M3: 998,117 km (0.041 R)
• M4: 1,895,255 km (0.112 R)
• M5: 2,349,883 km (0.044 R)
• M6: 3,054,041 km (0.102 R)
• M7: 3,836,587 km (0.089 R)
• M8: 5,161,276 km (0.066 R)
• M9: 5,698,332 km (0.102 R)
• M10: 7,205,830 km (0.039 R)
• M11: 9,068,025 km (0.088 R)
• M12: 9,525,944 km (0.056 R)
• M13: 9,999,421 km (0.101 R)
• M14: 11,152,222 km (0.12 R)
• M15: 12,477,360 km (0.057 R)
• M16: 16,297,940 km (0.118 R)
• M17: 18,389,767 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.1

Radius: 11.7

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 11.3 AU - 13.08 AU

Year: 15623 Days

Day: 6.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 108,007,533 km

• M1: 145,559 km (0.118 R)
• M2: 628,161 km (0.111 R)
• M3: 1,117,646 km (0.07 R)
• M4: 2,790,000 km (0.091 R)
• M5: 3,576,287 km (0.117 R)
• M6: 4,504,691 km (0.075 R)
• M7: 5,149,009 km (0.103 R)
• M8: 7,456,556 km (0.114 R)
• M9: 9,711,595 km (0.065 R)
• M10: 10,965,374 km (0.026 R)
• M11: 12,005,828 km (0.038 R)
• M12: 16,675,824 km (0.085 R)
• M13: 18,637,950 km (0.047 R)
• M14: 19,499,185 km (0.114 R)
• M15: 23,310,191 km (0.119 R)
• M16: 24,007,167 km (0.036 R)
• M17: 26,825,890 km (0.11 R)
• M18: 29,051,308 km (0.075 R)
• M19: 32,002,724 km (0.038 R)
• M20: 32,369,838 km (0.118 R)
• M21: 35,408,769 km (0.077 R)
• M22: 36,065,055 km (0.111 R)
• M23: 36,729,269 km (0.107 R)
• M24: 37,809,216 km (0.113 R)
• M25: 41,465,239 km (0.063 R)
• M26: 43,678,390 km (0.038 R)
• M27: 47,065,136 km (0.085 R)
• M28: 48,178,443 km (0.099 R)
• M29: 49,635,526 km (0.086 R)
• M30: 50,955,129 km (0.096 R)
• M31: 51,623,682 km (0.089 R)
• M32: 55,581,892 km (0.041 R)
• M33: 60,481,222 km (0.085 R)
• M34: 64,485,359 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.9

Radius: 3.2

Gravity: 97.06 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 14.99 AU - 21.05 AU

Year: 28080 Days

Day: 20.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 108,007,533 km

• M1: 39,793 km (0.104 R)
• M2: 240,703 km (0.097 R)
• M3: 560,992 km (0.109 R)
• M4: 890,706 km (0.081 R)
• M5: 3,225,180 km (0.091 R)
• M6: 4,135,334 km (0.063 R)
• M7: 6,898,107 km (0.081 R)
• M8: 7,981,944 km (0.094 R)
• M9: 8,327,964 km (0.075 R)
• M10: 10,548,894 km (0.064 R)
• M11: 10,825,500 km (0.106 R)
• M12: 15,133,470 km (0.081 R)
• M13: 26,272,827 km (0.096 R)
• M14: 26,399,087 km (0.045 R)
• M15: 29,417,524 km (0.048 R)
• M16: 34,742,759 km (0.04 R)
• M17: 38,194,880 km (0.072 R)
• M18: 40,675,362 km (0.083 R)
• M19: 44,683,837 km (0.119 R)
• M20: 53,880,815 km (0.11 R)
• M21: 60,225,560 km (0.085 R)
• M22: 61,997,696 km (0.104 R)
• M23: 65,182,186 km (0.061 R)
• M24: 66,814,598 km (0.08 R)
• M25: 67,050,065 km (0.083 R)
• M26: 78,486,224 km (0.102 R)
• M27: 83,293,252 km (0.096 R)
• M28: 90,865,747 km (0.09 R)
• M29: 101,347,471 km (0.047 R)
• M30: 102,281,560 km (0.037 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: 242 - 19,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit