🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.1

Radius: 9.8

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.46 AU - 0.76 AU

Year: 323 Days

Day: 8.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,682,855 km

• M1: 125,513 km (0.095 R)
• M2: 543,938 km (0.066 R)
• M3: 982,409 km (0.085 R)
• M4: 1,458,430 km (0.091 R)
• M5: 2,007,903 km (0.088 R)
• M6: 3,747,427 km (0.109 R)
• M7: 4,068,912 km (0.081 R)
• M8: 4,486,889 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.4

Radius: 11.9

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.61 AU - 0.69 AU

Year: 355 Days

Day: 14.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,682,855 km

• M1: 147,952 km (0.11 R)
• M2: 524,490 km (0.108 R)
• M3: 1,007,841 km (0.101 R)
• M4: 1,394,701 km (0.079 R)
• M5: 1,812,977 km (0.051 R)
• M6: 2,261,621 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.3

Radius: 14.9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.29 AU - 1.91 AU

Year: 1373 Days

Day: 6.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,682,855 km

• M1: 193,280 km (0.105 R)
• M2: 687,402 km (0.118 R)
• M3: 1,181,524 km (0.102 R)
• M4: 2,049,940 km (0.075 R)
• M5: 2,571,737 km (0.076 R)
• M6: 3,153,673 km (0.119 R)
• M7: 3,659,314 km (0.115 R)
• M8: 4,255,162 km (0.058 R)
• M9: 4,817,051 km (0.054 R)
• M10: 5,643,580 km (0.089 R)
• M11: 6,277,127 km (0.1 R)
• M12: 7,033,643 km (0.105 R)
• M13: 7,741,540 km (0.105 R)
• M14: 9,485,851 km (0.116 R)
• M15: 9,992,539 km (0.057 R)
• M16: 10,991,404 km (0.039 R)
• M17: 11,550,751 km (0.101 R)
• M18: 12,055,793 km (0.115 R)
• M19: 12,726,889 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.3

Radius: 9.6

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.78 AU - 1.84 AU

Year: 1652 Days

Day: 13.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,682,855 km

• M1: 120,277 km (0.119 R)
• M2: 459,265 km (0.093 R)
• M3: 844,031 km (0.082 R)
• M4: 1,266,496 km (0.032 R)
• M5: 1,579,903 km (0.102 R)
• M6: 2,426,926 km (0.08 R)
• M7: 2,773,096 km (0.111 R)
• M8: 3,237,896 km (0.117 R)
• M9: 4,032,411 km (0.066 R)
• M10: 4,817,650 km (0.074 R)
• M11: 6,386,632 km (0.036 R)
• M12: 7,605,855 km (0.09 R)
• M13: 8,161,910 km (0.036 R)
• M14: 9,962,470 km (0.081 R)
• M15: 10,824,004 km (0.055 R)
• M16: 11,357,470 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.9

Radius: 13.7

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2 AU - 2.54 AU

Year: 2320 Days

Day: 12.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,682,855 km

• M1: 170,392 km (0.079 R)
• M2: 848,220 km (0.064 R)
• M3: 1,405,173 km (0.112 R)
• M4: 1,929,813 km (0.088 R)
• M5: 3,513,456 km (0.107 R)
• M6: 4,073,251 km (0.094 R)
• M7: 9,949,754 km (0.064 R)
• M8: 11,949,280 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.9

Radius: 13.7

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.45 AU - 5.03 AU

Year: 6999 Days

Day: 5.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 38,682,855 km

• M1: 170,841 km (0.12 R)
• M2: 1,090,419 km (0.059 R)
• M3: 1,529,339 km (0.105 R)
• M4: 2,089,733 km (0.075 R)
• M5: 2,691,116 km (0.105 R)
• M6: 3,126,745 km (0.11 R)
• M7: 4,456,221 km (0.106 R)
• M8: 4,955,579 km (0.12 R)
• M9: 5,461,519 km (0.078 R)
• M10: 7,153,471 km (0.091 R)
• M11: 9,482,859 km (0.088 R)
• M12: 10,746,812 km (0.11 R)
• M13: 12,279,891 km (0.068 R)
• M14: 13,607,871 km (0.099 R)
• M15: 14,129,818 km (0.037 R)
• M16: 14,907,428 km (0.101 R)
• M17: 16,352,992 km (0.111 R)
• M18: 18,516,925 km (0.042 R)
• M19: 19,667,782 km (0.079 R)
• M20: 20,260,788 km (0.06 R)
• M21: 21,018,800 km (0.07 R)
• M22: 21,482,703 km (0.115 R)
• M23: 24,326,259 km (0.094 R)
• M24: 25,096,240 km (0.047 R)
• M25: 27,596,020 km (0.1 R)
• M26: 28,152,524 km (0.116 R)
• M27: 28,811,204 km (0.087 R)
• M28: 31,348,383 km (0.115 R)
• M29: 31,852,977 km (0.072 R)
• M30: 33,925,356 km (0.117 R)
• M31: 38,567,378 km (0.074 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 15,610 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit