🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.3

Radius: 12.1

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.76 AU - 1.04 AU

Year: 560 Days

Day: 10.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,522,000 km

• M1: 150,495 km (0.051 R)
• M2: 531,222 km (0.046 R)
• M3: 920,027 km (0.073 R)
• M4: 1,356,703 km (0.067 R)
• M5: 1,830,928 km (0.079 R)
• M6: 2,405,534 km (0.096 R)
• M7: 2,930,772 km (0.069 R)
• M8: 3,505,228 km (0.087 R)
• M9: 3,933,826 km (0.059 R)
• M10: 4,914,440 km (0.082 R)
• M11: 6,070,682 km (0.09 R)
• M12: 7,511,907 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.8

Radius: 9

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.23 AU - 1.83 AU

Year: 1241 Days

Day: 5.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 133.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,522,000 km

• M1: 111,899 km (0.117 R)
• M2: 399,426 km (0.107 R)
• M3: 848,669 km (0.098 R)
• M4: 1,272,180 km (0.046 R)
• M5: 1,714,392 km (0.104 R)
• M6: 2,098,260 km (0.098 R)
• M7: 2,598,365 km (0.113 R)
• M8: 2,961,290 km (0.047 R)
• M9: 3,637,023 km (0.111 R)
• M10: 4,604,024 km (0.097 R)
• M11: 5,100,091 km (0.119 R)
• M12: 5,390,759 km (0.07 R)
• M13: 6,177,195 km (0.072 R)
• M14: 6,643,641 km (0.116 R)
• M15: 8,530,370 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.1

Radius: 9.7

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.76 AU - 1.88 AU

Year: 1611 Days

Day: 11.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,522,000 km

• M1: 120,576 km (0.04 R)
• M2: 422,315 km (0.033 R)
• M3: 816,655 km (0.09 R)
• M4: 1,403,228 km (0.065 R)
• M5: 2,339,262 km (0.103 R)
• M6: 2,929,575 km (0.093 R)
• M7: 3,601,120 km (0.11 R)
• M8: 3,973,768 km (0.079 R)
• M9: 4,406,405 km (0.077 R)
• M10: 5,152,599 km (0.05 R)
• M11: 6,663,837 km (0.085 R)
• M12: 7,646,097 km (0.03 R)
• M13: 9,055,458 km (0.108 R)
• M14: 9,368,417 km (0.104 R)
• M15: 10,228,455 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.1

Radius: 9.1

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.74 AU - 2.56 AU

Year: 2068 Days

Day: 8.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,522,000 km

• M1: 113,246 km (0.047 R)
• M2: 507,586 km (0.062 R)
• M3: 1,178,831 km (0.111 R)
• M4: 1,633,010 km (0.103 R)
• M5: 2,200,884 km (0.082 R)
• M6: 2,552,588 km (0.1 R)
• M7: 3,492,811 km (0.095 R)
• M8: 3,859,176 km (0.069 R)
• M9: 4,251,123 km (0.114 R)
• M10: 4,778,306 km (0.074 R)
• M11: 5,277,663 km (0.05 R)
• M12: 6,327,840 km (0.095 R)
• M13: 6,874,172 km (0.12 R)
• M14: 7,333,736 km (0.09 R)
• M15: 10,533,934 km (0.111 R)
• M16: 11,028,953 km (0.04 R)
• M17: 11,659,209 km (0.093 R)
• M18: 12,355,139 km (0.087 R)
• M19: 13,472,485 km (0.102 R)
• M20: 14,055,917 km (0.116 R)
• M21: 14,843,998 km (0.111 R)
• M22: 15,857,973 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.5

Radius: 11.2

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.98 AU - 2.94 AU

Year: 2531 Days

Day: 8 Hours

Environment

Temp: -195 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,522,000 km

• M1: 139,425 km (0.111 R)
• M2: 706,700 km (0.103 R)
• M3: 1,258,268 km (0.075 R)
• M4: 1,633,758 km (0.066 R)
• M5: 2,036,326 km (0.078 R)
• M6: 2,408,675 km (0.07 R)
• M7: 3,310,601 km (0.103 R)
• M8: 4,403,713 km (0.114 R)
• M9: 6,026,101 km (0.104 R)
• M10: 6,637,358 km (0.075 R)
• M11: 7,556,188 km (0.103 R)
• M12: 8,590,359 km (0.097 R)
• M13: 9,296,161 km (0.117 R)
• M14: 10,823,406 km (0.112 R)
• M15: 13,024,888 km (0.067 R)
• M16: 16,556,146 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.3

Radius: 12.9

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.8 AU - 6.02 AU

Year: 7137 Days

Day: 12.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 34,522,000 km

• M1: 160,668 km (0.108 R)
• M2: 590,014 km (0.102 R)
• M3: 1,098,348 km (0.11 R)
• M4: 1,571,526 km (0.107 R)
• M5: 2,281,218 km (0.094 R)
• M6: 2,866,594 km (0.094 R)
• M7: 3,859,176 km (0.082 R)
• M8: 4,894,094 km (0.069 R)
• M9: 5,809,933 km (0.105 R)
• M10: 7,317,879 km (0.096 R)
• M11: 8,061,829 km (0.11 R)
• M12: 8,515,260 km (0.117 R)
• M13: 9,518,464 km (0.11 R)
• M14: 12,506,831 km (0.063 R)
• M15: 13,003,496 km (0.058 R)
• M16: 13,977,827 km (0.092 R)
• M17: 18,016,670 km (0.028 R)
• M18: 18,650,965 km (0.099 R)
• M19: 19,446,526 km (0.043 R)
• M20: 20,189,130 km (0.082 R)
• M21: 21,338,491 km (0.032 R)
• M22: 23,267,406 km (0.102 R)
• M23: 24,530,610 km (0.088 R)
• M24: 25,048,518 km (0.101 R)
• M25: 25,573,756 km (0.088 R)
• M26: 28,785,024 km (0.043 R)
• M27: 30,537,114 km (0.084 R)
• M28: 31,845,946 km (0.088 R)
• M29: 34,145,714 km (0.025 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.3

Radius: 9.2

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.16 AU - 5.32 AU

Year: 7869 Days

Day: 5.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 34,522,000 km

• M1: 114,742 km (0.087 R)
• M2: 465,997 km (0.102 R)
• M3: 962,363 km (0.089 R)
• M4: 1,527,245 km (0.113 R)
• M5: 1,958,087 km (0.091 R)
• M6: 2,333,128 km (0.107 R)
• M7: 2,663,590 km (0.085 R)
• M8: 4,039,741 km (0.114 R)
• M9: 4,572,010 km (0.107 R)
• M10: 5,714,938 km (0.077 R)
• M11: 6,320,211 km (0.111 R)
• M12: 6,827,796 km (0.102 R)
• M13: 7,217,050 km (0.104 R)
• M14: 7,696,062 km (0.047 R)
• M15: 8,196,318 km (0.098 R)
• M16: 8,841,384 km (0.103 R)
• M17: 9,218,969 km (0.061 R)
• M18: 9,739,121 km (0.106 R)
• M19: 11,516,194 km (0.062 R)
• M20: 11,815,389 km (0.108 R)
• M21: 12,850,307 km (0.046 R)
• M22: 14,170,509 km (0.095 R)
• M23: 14,688,267 km (0.11 R)
• M24: 15,040,420 km (0.108 R)
• M25: 16,130,540 km (0.119 R)
• M26: 21,319,641 km (0.067 R)
• M27: 23,802,816 km (0.11 R)
• M28: 24,616,778 km (0.091 R)
• M29: 28,059,025 km (0.096 R)
• M30: 28,784,126 km (0.099 R)
• M31: 31,034,228 km (0.049 R)
• M32: 34,008,533 km (0.099 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: 373 - 14,665 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit