🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.8

Radius: 8.1

Gravity: 15.24 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.78 AU - 0.98 AU

Year: 533 Days

Day: 5.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,975,960 km

• M1: 102,923 km (0.036 R)
• M2: 383,868 km (0.086 R)
• M3: 663,766 km (0.116 R)
• M4: 1,000,361 km (0.12 R)
• M5: 1,330,972 km (0.097 R)
• M6: 1,591,273 km (0.051 R)
• M7: 2,356,017 km (0.091 R)
• M8: 2,984,926 km (0.114 R)
• M9: 3,268,713 km (0.068 R)
• M10: 3,693,422 km (0.092 R)
• M11: 4,291,215 km (0.065 R)
• M12: 4,968,594 km (0.118 R)
• M13: 5,865,733 km (0.066 R)
• M14: 6,720,236 km (0.062 R)
• M15: 7,232,010 km (0.067 R)
• M16: 7,700,700 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.3

Radius: 10.5

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.6 AU - 1.62 AU

Year: 1319 Days

Day: 7.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,975,960 km

• M1: 130,599 km (0.109 R)
• M2: 489,035 km (0.098 R)
• M3: 905,965 km (0.078 R)
• M4: 1,482,664 km (0.085 R)
• M5: 1,860,698 km (0.105 R)
• M6: 2,279,572 km (0.116 R)
• M7: 3,084,858 km (0.113 R)
• M8: 3,481,741 km (0.073 R)
• M9: 5,252,531 km (0.054 R)
• M10: 5,641,934 km (0.085 R)
• M11: 6,333,974 km (0.093 R)
• M12: 6,750,604 km (0.117 R)
• M13: 7,584,762 km (0.106 R)
• M14: 8,544,881 km (0.113 R)
• M15: 9,301,098 km (0.11 R)
• M16: 10,134,358 km (0.105 R)
• M17: 10,946,974 km (0.033 R)
• M18: 11,875,528 km (0.083 R)
• M19: 12,208,981 km (0.096 R)
• M20: 12,972,529 km (0.097 R)
• M21: 13,405,764 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.9

Radius: 14.8

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.8 AU - 2.56 AU

Year: 2078 Days

Day: 8.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,975,960 km

• M1: 184,005 km (0.092 R)
• M2: 718,967 km (0.119 R)
• M3: 1,231,938 km (0.031 R)
• M4: 1,741,170 km (0.114 R)
• M5: 2,203,876 km (0.032 R)
• M6: 2,693,958 km (0.111 R)
• M7: 3,616,229 km (0.075 R)
• M8: 4,624,968 km (0.041 R)
• M9: 5,624,730 km (0.106 R)
• M10: 7,221,239 km (0.114 R)
• M11: 8,393,189 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131

Radius: 12.5

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.46 AU - 3.22 AU

Year: 3090 Days

Day: 9.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,975,960 km

• M1: 195,076 km (0.114 R)
• M2: 1,027,289 km (0.111 R)
• M3: 1,417,141 km (0.087 R)
• M4: 2,184,727 km (0.059 R)
• M5: 4,145,207 km (0.038 R)
• M6: 6,443,479 km (0.12 R)
• M7: 8,113,141 km (0.105 R)
• M8: 10,216,039 km (0.114 R)
• M9: 10,710,160 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.6

Radius: 11.1

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.83 AU - 4.39 AU

Year: 4429 Days

Day: 7.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,975,960 km

• M1: 138,079 km (0.081 R)
• M2: 579,991 km (0.055 R)
• M3: 1,202,019 km (0.07 R)
• M4: 1,834,219 km (0.062 R)
• M5: 2,506,961 km (0.073 R)
• M6: 2,873,925 km (0.068 R)
• M7: 3,337,678 km (0.092 R)
• M8: 3,761,788 km (0.05 R)
• M9: 6,260,970 km (0.049 R)
• M10: 6,644,838 km (0.116 R)
• M11: 8,925,607 km (0.032 R)
• M12: 11,495,100 km (0.086 R)
• M13: 12,418,119 km (0.112 R)
• M14: 13,813,867 km (0.114 R)
• M15: 14,192,200 km (0.058 R)
• M16: 16,010,862 km (0.112 R)
• M17: 20,174,619 km (0.034 R)
• M18: 22,542,305 km (0.094 R)
• M19: 22,916,449 km (0.059 R)
• M20: 24,064,164 km (0.071 R)
• M21: 24,455,063 km (0.09 R)
• M22: 25,009,473 km (0.11 R)
• M23: 28,513,953 km (0.06 R)
• M24: 29,841,185 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.4

Radius: 13.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.05 AU - 4.15 AU

Year: 5360 Days

Day: 6.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,975,960 km

• M1: 167,998 km (0.11 R)
• M2: 601,832 km (0.06 R)
• M3: 1,101,788 km (0.079 R)
• M4: 1,601,744 km (0.118 R)
• M5: 2,285,556 km (0.115 R)
• M6: 3,705,689 km (0.092 R)
• M7: 4,804,336 km (0.079 R)
• M8: 5,502,808 km (0.052 R)
• M9: 6,364,791 km (0.044 R)
• M10: 7,034,092 km (0.098 R)
• M11: 8,435,525 km (0.056 R)
• M12: 10,507,904 km (0.106 R)
• M13: 11,348,494 km (0.093 R)
• M14: 13,110,757 km (0.078 R)
• M15: 15,165,484 km (0.07 R)
• M16: 16,361,519 km (0.116 R)
• M17: 16,794,755 km (0.06 R)
• M18: 19,213,303 km (0.094 R)
• M19: 21,781,151 km (0.056 R)
• M20: 23,147,428 km (0.1 R)
• M21: 24,893,983 km (0.12 R)
• M22: 28,203,687 km (0.075 R)
• M23: 29,460,159 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.8

Radius: 9.8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5 AU - 6.18 AU

Year: 8534 Days

Day: 10.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,975,960 km

• M1: 122,072 km (0.081 R)
• M2: 740,210 km (0.051 R)
• M3: 2,480,482 km (0.09 R)
• M4: 4,021,939 km (0.088 R)
• M5: 4,646,211 km (0.075 R)
• M6: 5,068,376 km (0.071 R)
• M7: 5,394,050 km (0.104 R)
• M8: 5,892,959 km (0.077 R)
• M9: 7,885,005 km (0.098 R)
• M10: 9,076,402 km (0.067 R)
• M11: 10,478,284 km (0.112 R)
• M12: 15,299,524 km (0.115 R)
• M13: 16,236,156 km (0.046 R)
• M14: 20,146,046 km (0.099 R)
• M15: 20,815,945 km (0.065 R)
• M16: 21,809,724 km (0.081 R)
• M17: 23,974,405 km (0.108 R)
• M18: 25,754,171 km (0.084 R)
• M19: 27,985,722 km (0.082 R)
• M20: 30,343,235 km (0.029 R)
• M21: 36,645,195 km (0.118 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 13,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit