🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659

Radius: 9

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.84 AU - 1.16 AU

Year: 656 Days

Day: 10.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,927,726 km

• M1: 111,899 km (0.092 R)
• M2: 423,362 km (0.12 R)
• M3: 826,379 km (0.072 R)
• M4: 1,472,641 km (0.077 R)
• M5: 1,783,207 km (0.078 R)
• M6: 2,118,904 km (0.094 R)
• M7: 2,403,439 km (0.119 R)
• M8: 2,942,889 km (0.093 R)
• M9: 3,615,332 km (0.049 R)
• M10: 5,072,116 km (0.08 R)
• M11: 5,549,632 km (0.12 R)
• M12: 6,272,040 km (0.107 R)
• M13: 6,843,504 km (0.076 R)
• M14: 7,404,795 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.9

Radius: 12.3

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.66 AU - 2.26 AU

Year: 1800 Days

Day: 13.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,927,726 km

• M1: 155,283 km (0.104 R)
• M2: 560,094 km (0.072 R)
• M3: 958,623 km (0.069 R)
• M4: 1,609,075 km (0.047 R)
• M5: 1,999,974 km (0.098 R)
• M6: 2,455,350 km (0.03 R)
• M7: 2,845,352 km (0.07 R)
• M8: 3,720,499 km (0.083 R)
• M9: 4,238,856 km (0.073 R)
• M10: 5,117,145 km (0.049 R)
• M11: 6,765,115 km (0.039 R)
• M12: 7,463,139 km (0.098 R)
• M13: 9,091,362 km (0.068 R)
• M14: 11,079,368 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.1

Radius: 9.6

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.7 AU - 2.7 AU

Year: 2910 Days

Day: 14.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 36,927,726 km

• M1: 183,856 km (0.028 R)
• M2: 1,054,067 km (0.05 R)
• M3: 4,995,970 km (0.097 R)
• M4: 6,128,127 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.1

Radius: 14.2

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.48 AU - 2.96 AU

Year: 2943 Days

Day: 13.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,927,726 km

• M1: 181,911 km (0.092 R)
• M2: 736,171 km (0.086 R)
• M3: 1,727,257 km (0.119 R)
• M4: 2,210,608 km (0.088 R)
• M5: 2,853,430 km (0.116 R)
• M6: 3,801,581 km (0.107 R)
• M7: 4,770,526 km (0.112 R)
• M8: 6,761,525 km (0.061 R)
• M9: 7,652,230 km (0.062 R)
• M10: 8,414,431 km (0.104 R)
• M11: 11,325,456 km (0.049 R)
• M12: 12,852,252 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.4

Radius: 12.4

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.23 AU - 5.45 AU

Year: 6985 Days

Day: 14.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,927,726 km

• M1: 154,235 km (0.094 R)
• M2: 542,143 km (0.082 R)
• M3: 956,978 km (0.098 R)
• M4: 1,695,991 km (0.115 R)
• M5: 2,101,850 km (0.114 R)
• M6: 3,467,828 km (0.054 R)
• M7: 5,128,664 km (0.052 R)
• M8: 5,593,913 km (0.102 R)
• M9: 6,985,622 km (0.075 R)
• M10: 10,534,832 km (0.106 R)
• M11: 11,779,187 km (0.069 R)
• M12: 12,437,118 km (0.077 R)
• M13: 13,771,082 km (0.09 R)
• M14: 16,162,255 km (0.1 R)
• M15: 20,790,962 km (0.103 R)
• M16: 22,975,989 km (0.094 R)
• M17: 23,684,185 km (0.119 R)
• M18: 25,227,138 km (0.074 R)
• M19: 28,602,514 km (0.091 R)
• M20: 30,539,508 km (0.114 R)
• M21: 31,975,498 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.7

Radius: 8.3

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.76 AU - 6.18 AU

Year: 8392 Days

Day: 10.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 52.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,927,726 km

• M1: 103,223 km (0.119 R)
• M2: 420,520 km (0.076 R)
• M3: 844,330 km (0.106 R)
• M4: 1,390,811 km (0.059 R)
• M5: 2,641,150 km (0.084 R)
• M6: 3,155,318 km (0.119 R)
• M7: 3,641,063 km (0.105 R)
• M8: 4,175,725 km (0.059 R)
• M9: 4,874,048 km (0.118 R)
• M10: 5,221,564 km (0.11 R)
• M11: 6,297,023 km (0.077 R)
• M12: 6,709,764 km (0.064 R)
• M13: 8,177,169 km (0.039 R)
• M14: 8,752,822 km (0.062 R)
• M15: 10,123,138 km (0.118 R)
• M16: 11,328,149 km (0.049 R)
• M17: 15,452,862 km (0.087 R)
• M18: 18,746,109 km (0.099 R)
• M19: 19,528,656 km (0.027 R)
• M20: 19,964,584 km (0.069 R)
• M21: 22,797,968 km (0.074 R)
• M22: 25,283,686 km (0.092 R)
• M23: 25,714,976 km (0.12 R)
• M24: 27,398,252 km (0.112 R)
• M25: 27,944,733 km (0.08 R)
• M26: 29,342,725 km (0.064 R)
• M27: 34,656,142 km (0.116 R)
• M28: 35,942,384 km (0.111 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: 537 - 14,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit