🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485

Radius: 14.9

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.77 AU - 1.25 AU

Year: 645 Days

Day: 10.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,077,097 km

• M1: 185,352 km (0.026 R)
• M2: 1,470,098 km (0.048 R)
• M3: 2,214,946 km (0.087 R)
• M4: 2,713,107 km (0.109 R)
• M5: 3,596,931 km (0.102 R)
• M6: 4,336,543 km (0.043 R)
• M7: 5,077,501 km (0.064 R)
• M8: 6,010,842 km (0.099 R)
• M9: 6,635,862 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.4

Radius: 13.3

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.03 AU - 2.07 AU

Year: 1866 Days

Day: 13.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,077,097 km

• M1: 169,046 km (0.033 R)
• M2: 631,901 km (0.102 R)
• M3: 1,649,017 km (0.092 R)
• M4: 2,888,436 km (0.112 R)
• M5: 5,556,514 km (0.118 R)
• M6: 6,085,193 km (0.074 R)
• M7: 6,647,381 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.1

Radius: 13.3

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.86 AU - 3.08 AU

Year: 2468 Days

Day: 14.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 152.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,077,097 km

• M1: 165,455 km (0.117 R)
• M2: 585,077 km (0.115 R)
• M3: 1,097,300 km (0.099 R)
• M4: 1,871,619 km (0.084 R)
• M5: 2,899,057 km (0.04 R)
• M6: 3,522,880 km (0.096 R)
• M7: 4,216,266 km (0.09 R)
• M8: 4,935,383 km (0.039 R)
• M9: 5,414,246 km (0.108 R)
• M10: 7,792,703 km (0.115 R)
• M11: 8,877,886 km (0.065 R)
• M12: 9,490,040 km (0.066 R)
• M13: 10,799,021 km (0.047 R)
• M14: 11,609,992 km (0.109 R)
• M15: 12,620,376 km (0.107 R)
• M16: 13,312,116 km (0.082 R)
• M17: 14,158,242 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.9

Radius: 13.4

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.25 AU - 2.73 AU

Year: 2498 Days

Day: 11.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,077,097 km

• M1: 171,589 km (0.087 R)
• M2: 1,041,201 km (0.051 R)
• M3: 2,297,823 km (0.097 R)
• M4: 4,610,606 km (0.12 R)
• M5: 5,153,198 km (0.09 R)
• M6: 7,162,596 km (0.093 R)
• M7: 9,354,953 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.4

Radius: 11.2

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.98 AU - 3.76 AU

Year: 3933 Days

Day: 9.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,077,097 km

• M1: 139,276 km (0.079 R)
• M2: 517,160 km (0.076 R)
• M3: 906,713 km (0.032 R)
• M4: 1,304,493 km (0.107 R)
• M5: 2,589,539 km (0.108 R)
• M6: 3,196,906 km (0.071 R)
• M7: 3,678,911 km (0.114 R)
• M8: 4,582,781 km (0.067 R)
• M9: 6,138,898 km (0.116 R)
• M10: 6,563,307 km (0.09 R)
• M11: 7,190,272 km (0.088 R)
• M12: 8,121,369 km (0.072 R)
• M13: 9,313,365 km (0.119 R)
• M14: 9,722,964 km (0.091 R)
• M15: 10,340,354 km (0.107 R)
• M16: 11,024,615 km (0.11 R)
• M17: 12,129,395 km (0.099 R)
• M18: 12,483,793 km (0.107 R)
• M19: 13,120,481 km (0.117 R)
• M20: 15,625,198 km (0.101 R)
• M21: 16,743,592 km (0.115 R)
• M22: 18,086,233 km (0.076 R)
• M23: 20,481,444 km (0.113 R)
• M24: 21,367,662 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.8

Radius: 12.1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.5 AU - 4.28 AU

Year: 4878 Days

Day: 8.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,077,097 km

• M1: 150,495 km (0.04 R)
• M2: 544,835 km (0.088 R)
• M3: 964,009 km (0.069 R)
• M4: 1,407,267 km (0.109 R)
• M5: 2,219,284 km (0.114 R)
• M6: 2,783,268 km (0.092 R)
• M7: 3,222,039 km (0.095 R)
• M8: 3,780,338 km (0.116 R)
• M9: 4,803,438 km (0.117 R)
• M10: 5,534,523 km (0.098 R)
• M11: 6,312,133 km (0.114 R)
• M12: 7,334,036 km (0.091 R)
• M13: 8,053,901 km (0.091 R)
• M14: 9,881,388 km (0.096 R)
• M15: 10,461,529 km (0.103 R)
• M16: 11,971,121 km (0.103 R)
• M17: 13,887,918 km (0.042 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.2

Radius: 8.7

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.46 AU - 6.42 AU

Year: 8067 Days

Day: 13.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,077,097 km

• M1: 108,309 km (0.118 R)
• M2: 390,899 km (0.077 R)
• M3: 762,052 km (0.104 R)
• M4: 2,137,604 km (0.108 R)
• M5: 2,782,371 km (0.103 R)
• M6: 3,311,349 km (0.109 R)
• M7: 4,038,395 km (0.098 R)
• M8: 7,413,472 km (0.116 R)
• M9: 8,385,409 km (0.08 R)
• M10: 11,050,795 km (0.055 R)
• M11: 11,589,796 km (0.077 R)
• M12: 13,252,127 km (0.118 R)
• M13: 14,360,648 km (0.108 R)
• M14: 14,872,572 km (0.099 R)
• M15: 15,330,640 km (0.104 R)
• M16: 17,400,476 km (0.103 R)
• M17: 18,056,164 km (0.042 R)
• M18: 20,763,586 km (0.071 R)
• M19: 24,718,206 km (0.094 R)
• M20: 26,679,883 km (0.079 R)
• M21: 27,649,576 km (0.043 R)
• M22: 28,043,916 km (0.106 R)
• M23: 31,335,368 km (0.115 R)
• M24: 33,295,549 km (0.097 R)
• M25: 36,623,354 km (0.066 R)
• M26: 39,167,266 km (0.057 R)
• M27: 41,054,892 km (0.11 R)
• M28: 46,245,040 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.4

Radius: 6.8

Gravity: 18.37 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.86 AU - 9.2 AU

Year: 17253 Days

Day: 15.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 154.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,077,097 km

• M1: 85,420 km (0.077 R)
• M2: 461,061 km (0.095 R)
• M3: 750,383 km (0.095 R)
• M4: 1,415,345 km (0.095 R)
• M5: 1,984,117 km (0.088 R)
• M6: 2,288,847 km (0.076 R)
• M7: 2,601,208 km (0.111 R)
• M8: 4,784,589 km (0.11 R)
• M9: 14,822,157 km (0.114 R)
• M10: 17,719,120 km (0.064 R)
• M11: 18,940,886 km (0.107 R)
• M12: 22,942,030 km (0.025 R)
• M13: 23,452,907 km (0.029 R)
• M14: 25,247,034 km (0.098 R)
• M15: 33,210,877 km (0.087 R)
• M16: 33,471,327 km (0.1 R)
• M17: 37,685,349 km (0.046 R)
• M18: 40,435,556 km (0.098 R)
• M19: 41,031,106 km (0.11 R)
• M20: 42,852,908 km (0.093 R)
• M21: 55,111,108 km (0.094 R)
• M22: 62,329,504 km (0.086 R)
• M23: 68,876,505 km (0.112 R)
• M24: 69,300,166 km (0.072 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 16,646 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit