🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.3

Radius: 13.1

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.54 AU - 0.78 AU

Year: 377 Days

Day: 8.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,520,085 km

• M1: 163,361 km (0.117 R)
• M2: 735,573 km (0.099 R)
• M3: 1,227,600 km (0.04 R)
• M4: 1,882,091 km (0.044 R)
• M5: 2,317,421 km (0.097 R)
• M6: 3,056,883 km (0.059 R)
• M7: 3,511,810 km (0.115 R)
• M8: 3,923,354 km (0.063 R)
• M9: 4,758,259 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.3

Radius: 11.4

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.23 AU - 1.47 AU

Year: 1103 Days

Day: 9.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,520,085 km

• M1: 188,194 km (0.112 R)
• M2: 550,969 km (0.114 R)
• M3: 1,136,345 km (0.077 R)
• M4: 1,532,630 km (0.094 R)
• M5: 2,585,949 km (0.12 R)
• M6: 4,731,631 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.6

Radius: 12.3

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.48 AU - 2.2 AU

Year: 1754 Days

Day: 9.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,520,085 km

• M1: 153,039 km (0.054 R)
• M2: 657,034 km (0.055 R)
• M3: 1,273,826 km (0.059 R)
• M4: 1,698,085 km (0.088 R)
• M5: 2,817,975 km (0.104 R)
• M6: 3,981,996 km (0.101 R)
• M7: 5,934,847 km (0.104 R)
• M8: 7,144,046 km (0.077 R)
• M9: 8,693,431 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.2

Radius: 8.6

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.41 AU - 2.31 AU

Year: 1783 Days

Day: 8.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,520,085 km

• M1: 267,331 km (0.117 R)
• M2: 859,290 km (0.103 R)
• M3: 1,463,666 km (0.054 R)
• M4: 1,833,322 km (0.098 R)
• M5: 2,858,516 km (0.115 R)
• M6: 3,623,111 km (0.104 R)
• M7: 5,215,730 km (0.12 R)
• M8: 5,883,834 km (0.054 R)
• M9: 6,228,208 km (0.113 R)
• M10: 8,307,020 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.4

Radius: 9.9

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.78 AU - 3.64 AU

Year: 4043 Days

Day: 7.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,520,085 km

• M1: 123,269 km (0.118 R)
• M2: 456,423 km (0.113 R)
• M3: 1,102,387 km (0.102 R)
• M4: 1,646,025 km (0.098 R)
• M5: 2,360,505 km (0.099 R)
• M6: 3,022,924 km (0.07 R)
• M7: 5,482,164 km (0.079 R)
• M8: 5,998,575 km (0.103 R)
• M9: 6,801,617 km (0.051 R)
• M10: 7,162,148 km (0.065 R)
• M11: 7,604,808 km (0.097 R)
• M12: 8,029,516 km (0.115 R)
• M13: 9,601,491 km (0.117 R)
• M14: 11,691,373 km (0.11 R)
• M15: 14,279,266 km (0.12 R)
• M16: 17,287,231 km (0.041 R)
• M17: 17,713,884 km (0.104 R)
• M18: 18,779,021 km (0.084 R)
• M19: 19,359,909 km (0.071 R)
• M20: 22,374,157 km (0.12 R)
• M21: 23,842,460 km (0.073 R)
• M22: 24,985,088 km (0.051 R)
• M23: 25,295,803 km (0.113 R)
• M24: 25,687,899 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.6

Radius: 12.1

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.06 AU - 4.34 AU

Year: 6050 Days

Day: 11.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,520,085 km

• M1: 150,495 km (0.085 R)
• M2: 893,249 km (0.073 R)
• M3: 1,281,605 km (0.057 R)
• M4: 1,681,779 km (0.102 R)
• M5: 3,097,424 km (0.099 R)
• M6: 3,499,543 km (0.062 R)
• M7: 5,092,910 km (0.085 R)
• M8: 6,064,847 km (0.105 R)
• M9: 7,602,115 km (0.109 R)
• M10: 8,202,451 km (0.084 R)
• M11: 8,619,979 km (0.115 R)
• M12: 9,422,721 km (0.088 R)
• M13: 9,842,343 km (0.028 R)
• M14: 10,234,738 km (0.1 R)
• M15: 11,219,092 km (0.034 R)
• M16: 11,691,074 km (0.084 R)
• M17: 12,674,530 km (0.028 R)
• M18: 13,092,506 km (0.112 R)
• M19: 13,809,679 km (0.073 R)
• M20: 16,064,867 km (0.073 R)
• M21: 17,852,262 km (0.086 R)
• M22: 19,155,559 km (0.038 R)
• M23: 21,163,312 km (0.114 R)
• M24: 22,419,934 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.7

Radius: 9.1

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.42 AU - 4.78 AU

Year: 6935 Days

Day: 12.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 29,520,085 km

• M1: 113,246 km (0.097 R)
• M2: 457,171 km (0.075 R)
• M3: 972,386 km (0.105 R)
• M4: 1,279,211 km (0.034 R)
• M5: 3,345,008 km (0.1 R)
• M6: 3,658,266 km (0.046 R)
• M7: 3,945,644 km (0.074 R)
• M8: 4,295,852 km (0.118 R)
• M9: 5,417,088 km (0.087 R)
• M10: 6,091,476 km (0.107 R)
• M11: 6,755,241 km (0.056 R)
• M12: 7,327,154 km (0.106 R)
• M13: 8,188,987 km (0.098 R)
• M14: 9,157,185 km (0.037 R)
• M15: 11,933,273 km (0.068 R)
• M16: 12,668,696 km (0.101 R)
• M17: 14,284,053 km (0.025 R)
• M18: 16,032,404 km (0.039 R)
• M19: 17,730,190 km (0.075 R)
• M20: 19,611,533 km (0.036 R)
• M21: 24,929,887 km (0.113 R)
• M22: 26,130,559 km (0.074 R)
• M23: 26,621,390 km (0.066 R)
• M24: 27,035,178 km (0.062 R)
• M25: 27,875,469 km (0.098 R)
• M26: 28,474,160 km (0.106 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 13,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit