🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.4

Radius: 10.2

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.65 AU - 0.97 AU

Year: 471 Days

Day: 14.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,343,174 km

• M1: 126,859 km (0.106 R)
• M2: 542,442 km (0.053 R)
• M3: 1,117,047 km (0.113 R)
• M4: 1,877,304 km (0.104 R)
• M5: 2,227,961 km (0.069 R)
• M6: 2,901,451 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.3

Radius: 13.5

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.72 AU - 0.96 AU

Year: 497 Days

Day: 6.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,343,174 km

• M1: 167,849 km (0.106 R)
• M2: 624,721 km (0.071 R)
• M3: 1,064,090 km (0.084 R)
• M4: 1,499,868 km (0.104 R)
• M5: 2,007,005 km (0.076 R)
• M6: 2,508,756 km (0.077 R)
• M7: 3,117,021 km (0.107 R)
• M8: 3,970,627 km (0.086 R)
• M9: 4,497,660 km (0.057 R)
• M10: 6,105,089 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.6

Radius: 9.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.61 AU - 1.79 AU

Year: 1431 Days

Day: 13.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,343,174 km

• M1: 120,875 km (0.109 R)
• M2: 542,591 km (0.069 R)
• M3: 1,098,796 km (0.057 R)
• M4: 1,425,817 km (0.083 R)
• M5: 1,876,256 km (0.073 R)
• M6: 2,431,564 km (0.108 R)
• M7: 3,176,711 km (0.098 R)
• M8: 3,602,915 km (0.095 R)
• M9: 5,373,256 km (0.047 R)
• M10: 6,002,166 km (0.089 R)
• M11: 6,311,983 km (0.078 R)
• M12: 7,306,510 km (0.098 R)
• M13: 7,920,010 km (0.094 R)
• M14: 8,539,794 km (0.119 R)
• M15: 10,851,830 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.4

Radius: 8.8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.72 AU - 2.36 AU

Year: 1881 Days

Day: 12 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,343,174 km

• M1: 110,553 km (0.091 R)
• M2: 534,962 km (0.088 R)
• M3: 1,090,568 km (0.08 R)
• M4: 1,455,288 km (0.063 R)
• M5: 1,941,930 km (0.11 R)
• M6: 3,038,034 km (0.109 R)
• M7: 3,704,642 km (0.067 R)
• M8: 5,081,092 km (0.034 R)
• M9: 7,850,298 km (0.028 R)
• M10: 9,280,454 km (0.119 R)
• M11: 9,804,196 km (0.105 R)
• M12: 10,185,521 km (0.116 R)
• M13: 11,563,915 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.2

Radius: 14.8

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.79 AU - 2.59 AU

Year: 2093 Days

Day: 7.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,343,174 km

• M1: 186,399 km (0.07 R)
• M2: 807,978 km (0.094 R)
• M3: 1,413,849 km (0.076 R)
• M4: 2,157,351 km (0.068 R)
• M5: 2,736,594 km (0.113 R)
• M6: 3,300,877 km (0.103 R)
• M7: 5,550,679 km (0.114 R)
• M8: 6,436,448 km (0.099 R)
• M9: 8,619,081 km (0.078 R)
• M10: 11,375,871 km (0.106 R)
• M11: 12,636,233 km (0.111 R)
• M12: 13,942,970 km (0.047 R)
• M13: 15,676,510 km (0.082 R)
• M14: 16,926,700 km (0.095 R)
• M15: 17,761,157 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.5

Radius: 11.1

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.06 AU - 2.42 AU

Year: 2165 Days

Day: 8.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,343,174 km

• M1: 140,921 km (0.108 R)
• M2: 495,169 km (0.103 R)
• M3: 921,972 km (0.074 R)
• M4: 1,400,834 km (0.108 R)
• M5: 1,773,632 km (0.095 R)
• M6: 2,611,530 km (0.104 R)
• M7: 3,315,986 km (0.092 R)
• M8: 4,605,221 km (0.088 R)
• M9: 4,969,043 km (0.12 R)
• M10: 5,352,013 km (0.09 R)
• M11: 8,081,726 km (0.051 R)
• M12: 8,677,275 km (0.1 R)
• M13: 9,201,167 km (0.095 R)
• M14: 9,781,008 km (0.086 R)
• M15: 10,530,643 km (0.06 R)
• M16: 11,127,239 km (0.091 R)
• M17: 11,706,931 km (0.113 R)
• M18: 12,469,880 km (0.098 R)
• M19: 12,968,639 km (0.072 R)
• M20: 14,094,962 km (0.096 R)
• M21: 14,590,729 km (0.046 R)
• M22: 15,953,566 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.6

Radius: 5.8

Gravity: 17.65 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.52 AU - 9.72 AU

Year: 16341 Days

Day: 16.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,343,174 km

• M1: 72,106 km (0.09 R)
• M2: 571,165 km (0.102 R)
• M3: 1,061,546 km (0.114 R)
• M4: 3,916,023 km (0.101 R)
• M5: 4,763,944 km (0.062 R)
• M6: 8,671,740 km (0.118 R)
• M7: 10,210,952 km (0.116 R)
• M8: 19,118,608 km (0.118 R)
• M9: 29,778,803 km (0.12 R)
• M10: 34,733,933 km (0.042 R)
• M11: 45,320,525 km (0.045 R)
• M12: 48,584,751 km (0.054 R)
• M13: 51,504,453 km (0.091 R)
• M14: 54,025,177 km (0.083 R)
• M15: 58,407,197 km (0.108 R)
• M16: 61,146,933 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.4

Radius: 3.1

Gravity: 21.79 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.3 AU - 10.92 AU

Year: 17754 Days

Day: 20.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 47,343,174 km

• M1: 38,596 km (0.092 R)
• M2: 235,916 km (0.106 R)
• M3: 860,487 km (0.087 R)
• M4: 990,488 km (0.081 R)
• M5: 1,603,240 km (0.093 R)
• M6: 3,395,124 km (0.06 R)
• M7: 3,518,243 km (0.069 R)
• M8: 3,905,552 km (0.08 R)
• M9: 4,703,357 km (0.095 R)
• M10: 5,172,646 km (0.115 R)
• M11: 5,468,700 km (0.041 R)
• M12: 6,240,026 km (0.079 R)
• M13: 8,615,940 km (0.118 R)
• M14: 9,509,039 km (0.103 R)
• M15: 10,154,554 km (0.098 R)
• M16: 10,828,642 km (0.059 R)
• M17: 12,732,125 km (0.092 R)
• M18: 14,012,683 km (0.098 R)
• M19: 14,458,036 km (0.075 R)
• M20: 14,651,765 km (0.12 R)
• M21: 14,912,664 km (0.094 R)
• M22: 16,056,339 km (0.076 R)
• M23: 16,194,568 km (0.097 R)
• M24: 17,990,790 km (0.066 R)
• M25: 20,804,127 km (0.108 R)
• M26: 21,972,935 km (0.108 R)
• M27: 22,573,571 km (0.116 R)
• M28: 24,623,660 km (0.052 R)
• M29: 25,458,566 km (0.117 R)
• M30: 25,646,610 km (0.067 R)
• M31: 28,176,460 km (0.101 R)
• M32: 29,605,119 km (0.108 R)
• M33: 30,654,848 km (0.042 R)
• M34: 33,499,451 km (0.071 R)
• M35: 33,838,440 km (0.071 R)
• M36: 40,340,711 km (0.106 R)
• M37: 42,152,790 km (0.047 R)
• M38: 43,748,551 km (0.119 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: 304 - 11,049 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit