🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.7 AU - 0.96 AU

Year: 273 Days

Day: 43.2 Hours

Environment

Temp: 157 °C

Axial Tilt: 35.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 4.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.5

Radius: 13.3

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.61 AU - 8.97 AU

Year: 9425 Days

Day: 10.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,553,630 km

• M1: 177,722 km (0.052 R)
• M2: 673,789 km (0.1 R)
• M3: 1,169,556 km (0.072 R)
• M4: 1,823,000 km (0.086 R)
• M5: 2,265,361 km (0.098 R)
• M6: 2,920,898 km (0.111 R)
• M7: 3,412,776 km (0.105 R)
• M8: 4,255,162 km (0.088 R)
• M9: 5,098,894 km (0.025 R)
• M10: 5,875,008 km (0.063 R)
• M11: 8,912,742 km (0.085 R)
• M12: 10,081,999 km (0.111 R)
• M13: 10,551,437 km (0.046 R)
• M14: 10,990,956 km (0.071 R)
• M15: 12,724,346 km (0.049 R)
• M16: 13,476,674 km (0.081 R)
• M17: 14,525,654 km (0.095 R)
• M18: 15,685,038 km (0.091 R)
• M19: 20,332,445 km (0.057 R)
• M20: 21,291,517 km (0.11 R)
• M21: 27,277,975 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.7

Radius: 11.9

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.48 AU - 10.42 AU

Year: 9683 Days

Day: 5.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,553,630 km

• M1: 148,102 km (0.11 R)
• M2: 677,230 km (0.097 R)
• M3: 1,445,863 km (0.104 R)
• M4: 2,032,137 km (0.1 R)
• M5: 2,889,483 km (0.033 R)
• M6: 3,593,191 km (0.086 R)
• M7: 4,048,268 km (0.066 R)
• M8: 5,282,002 km (0.118 R)
• M9: 5,744,857 km (0.058 R)
• M10: 7,149,581 km (0.102 R)
• M11: 7,755,902 km (0.111 R)
• M12: 9,028,231 km (0.074 R)
• M13: 9,556,611 km (0.027 R)
• M14: 10,435,199 km (0.069 R)
• M15: 11,266,216 km (0.109 R)
• M16: 12,140,914 km (0.117 R)
• M17: 12,839,836 km (0.101 R)
• M18: 13,283,244 km (0.055 R)
• M19: 14,436,494 km (0.095 R)
• M20: 15,907,190 km (0.061 R)
• M21: 16,744,340 km (0.115 R)
• M22: 18,859,205 km (0.072 R)
• M23: 26,710,999 km (0.094 R)
• M24: 28,921,008 km (0.098 R)
• M25: 31,150,765 km (0.107 R)
• M26: 34,867,225 km (0.081 R)
• M27: 36,832,043 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.7

Radius: 8.7

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 8.2 AU - 11.44 AU

Year: 11129 Days

Day: 6 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 86,553,630 km

• M1: 108,159 km (0.117 R)
• M2: 483,800 km (0.085 R)
• M3: 898,036 km (0.071 R)
• M4: 2,344,199 km (0.062 R)
• M5: 3,089,046 km (0.075 R)
• M6: 3,659,014 km (0.08 R)
• M7: 4,152,538 km (0.068 R)
• M8: 4,752,276 km (0.028 R)
• M9: 5,040,401 km (0.102 R)
• M10: 5,477,376 km (0.108 R)
• M11: 6,012,638 km (0.077 R)
• M12: 6,465,770 km (0.086 R)
• M13: 8,602,925 km (0.037 R)
• M14: 9,129,659 km (0.11 R)
• M15: 10,247,604 km (0.081 R)
• M16: 10,894,615 km (0.093 R)
• M17: 11,511,407 km (0.057 R)
• M18: 12,092,145 km (0.109 R)
• M19: 12,510,122 km (0.099 R)
• M20: 13,438,377 km (0.081 R)
• M21: 15,017,981 km (0.064 R)
• M22: 19,017,929 km (0.074 R)
• M23: 20,411,133 km (0.098 R)
• M24: 20,833,448 km (0.077 R)
• M25: 23,676,107 km (0.047 R)
• M26: 25,970,789 km (0.112 R)
• M27: 26,566,787 km (0.067 R)
• M28: 28,409,832 km (0.026 R)
• M29: 35,774,685 km (0.119 R)
• M30: 40,090,883 km (0.117 R)
• M31: 47,344,285 km (0.093 R)
• M32: 51,590,022 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.4

Radius: 7.7

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 13.38 AU - 16.12 AU

Year: 20487 Days

Day: 18.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,553,630 km

• M1: 95,743 km (0.116 R)
• M2: 528,679 km (0.036 R)
• M3: 806,781 km (0.047 R)
• M4: 2,379,055 km (0.105 R)
• M5: 4,514,864 km (0.093 R)
• M6: 5,899,691 km (0.112 R)
• M7: 6,752,698 km (0.1 R)
• M8: 8,255,708 km (0.093 R)
• M9: 15,377,016 km (0.089 R)
• M10: 17,704,310 km (0.108 R)
• M11: 18,529,641 km (0.119 R)
• M12: 22,563,099 km (0.094 R)
• M13: 23,729,962 km (0.112 R)
• M14: 25,244,491 km (0.108 R)
• M15: 25,659,027 km (0.081 R)
• M16: 26,078,200 km (0.102 R)
• M17: 27,800,221 km (0.102 R)
• M18: 28,801,480 km (0.103 R)
• M19: 31,349,879 km (0.09 R)
• M20: 31,708,765 km (0.109 R)
• M21: 32,434,464 km (0.113 R)
• M22: 37,828,215 km (0.077 R)
• M23: 44,993,355 km (0.108 R)
• M24: 51,007,339 km (0.03 R)
• M25: 53,181,744 km (0.082 R)
• M26: 57,001,127 km (0.094 R)
• M27: 62,687,791 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.7

Radius: 4

Gravity: 35.23 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 15.95 AU - 19.29 AU

Year: 26748 Days

Day: 25 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,553,630 km

• M1: 49,816 km (0.089 R)
• M2: 248,632 km (0.108 R)
• M3: 474,674 km (0.074 R)
• M4: 897,587 km (0.108 R)
• M5: 2,094,669 km (0.099 R)
• M6: 2,601,956 km (0.103 R)
• M7: 7,023,770 km (0.078 R)
• M8: 9,320,546 km (0.073 R)
• M9: 12,212,871 km (0.106 R)
• M10: 14,441,879 km (0.108 R)
• M11: 19,300,818 km (0.118 R)
• M12: 21,886,468 km (0.104 R)
• M13: 25,834,655 km (0.074 R)
• M14: 28,466,979 km (0.11 R)
• M15: 31,141,490 km (0.054 R)
• M16: 50,049,763 km (0.085 R)
• M17: 50,230,178 km (0.117 R)
• M18: 52,613,422 km (0.063 R)
• M19: 58,798,994 km (0.073 R)
• M20: 65,021,967 km (0.051 R)
• M21: 66,317,035 km (0.063 R)
• M22: 73,283,060 km (0.118 R)
• M23: 74,215,952 km (0.087 R)

Kuiper Belt

Range: 30.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 20,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit