🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.49 AU - 0.61 AU

Year: 263 Days

Day: 41.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 32,140,747 km

• M1: 43,234 km (0.067 R)
• M2: 121,773 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.8

Radius: 12.7

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.91 AU - 1.03 AU

Year: 617 Days

Day: 11.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,140,747 km

• M1: 157,975 km (0.095 R)
• M2: 589,864 km (0.116 R)
• M3: 990,787 km (0.091 R)
• M4: 1,395,898 km (0.093 R)
• M5: 1,986,211 km (0.094 R)
• M6: 2,409,872 km (0.063 R)
• M7: 2,852,532 km (0.084 R)
• M8: 3,840,028 km (0.114 R)
• M9: 4,239,005 km (0.056 R)
• M10: 4,889,756 km (0.1 R)
• M11: 5,606,479 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.9

Radius: 11.4

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.01 AU - 1.23 AU

Year: 765 Days

Day: 10.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,140,747 km

• M1: 143,764 km (0.03 R)
• M2: 531,521 km (0.101 R)
• M3: 1,500,616 km (0.092 R)
• M4: 1,992,793 km (0.065 R)
• M5: 2,492,001 km (0.088 R)
• M6: 3,085,007 km (0.115 R)
• M7: 4,319,788 km (0.089 R)
• M8: 4,720,411 km (0.055 R)
• M9: 5,770,887 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.9

Radius: 14.4

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.24 AU - 1.38 AU

Year: 968 Days

Day: 15 Hours

Environment

Temp: -167 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,140,747 km

• M1: 179,069 km (0.104 R)
• M2: 641,027 km (0.076 R)
• M3: 1,276,219 km (0.106 R)
• M4: 2,069,687 km (0.093 R)
• M5: 2,633,521 km (0.101 R)
• M6: 3,653,330 km (0.065 R)
• M7: 6,986,071 km (0.11 R)
• M8: 7,598,525 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.9

Radius: 9.6

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.14 AU - 1.52 AU

Year: 990 Days

Day: 14.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,140,747 km

• M1: 119,529 km (0.073 R)
• M2: 422,913 km (0.112 R)
• M3: 771,476 km (0.082 R)
• M4: 1,218,923 km (0.113 R)
• M5: 1,949,859 km (0.092 R)
• M6: 2,460,885 km (0.118 R)
• M7: 2,877,216 km (0.109 R)
• M8: 4,044,229 km (0.069 R)
• M9: 4,352,251 km (0.049 R)
• M10: 4,963,957 km (0.077 R)
• M11: 5,427,261 km (0.067 R)
• M12: 5,919,289 km (0.036 R)
• M13: 6,544,458 km (0.088 R)
• M14: 7,855,534 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785

Radius: 8.2

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.87 AU - 5.39 AU

Year: 7502 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 32,140,747 km

• M1: 102,026 km (0.087 R)
• M2: 666,010 km (0.091 R)
• M3: 933,341 km (0.117 R)
• M4: 1,285,644 km (0.118 R)
• M5: 1,613,862 km (0.077 R)
• M6: 2,333,278 km (0.088 R)
• M7: 2,590,437 km (0.072 R)
• M8: 4,282,538 km (0.085 R)
• M9: 5,022,150 km (0.11 R)
• M10: 5,328,227 km (0.062 R)
• M11: 5,614,408 km (0.044 R)
• M12: 6,080,106 km (0.11 R)
• M13: 7,996,904 km (0.118 R)
• M14: 8,330,507 km (0.087 R)
• M15: 9,525,345 km (0.066 R)
• M16: 11,239,288 km (0.07 R)
• M17: 12,920,768 km (0.072 R)
• M18: 14,394,008 km (0.098 R)
• M19: 15,976,005 km (0.105 R)
• M20: 18,023,402 km (0.111 R)
• M21: 19,782,523 km (0.035 R)
• M22: 21,333,554 km (0.057 R)
• M23: 21,814,212 km (0.114 R)
• M24: 24,939,611 km (0.117 R)
• M25: 25,833,009 km (0.104 R)
• M26: 28,544,321 km (0.069 R)
• M27: 33,332,051 km (0.051 R)
• M28: 35,076,961 km (0.116 R)
• M29: 35,971,706 km (0.056 R)

Asteroid Belt

Center: 5.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.9

Radius: 12.4

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.64 AU - 5.74 AU

Year: 8764 Days

Day: 9.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,140,747 km

• M1: 155,133 km (0.093 R)
• M2: 841,488 km (0.037 R)
• M3: 2,263,416 km (0.109 R)
• M4: 3,127,643 km (0.117 R)
• M5: 4,298,246 km (0.11 R)
• M6: 5,831,923 km (0.095 R)
• M7: 7,740,643 km (0.036 R)
• M8: 9,183,963 km (0.11 R)
• M9: 9,688,706 km (0.052 R)
• M10: 25,224,595 km (0.105 R)
• M11: 30,536,965 km (0.052 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 15,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit