🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172

Radius: 13.2

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.7 AU - 0.72 AU

Year: 386 Days

Day: 8.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,824,570 km

• M1: 164,109 km (0.103 R)
• M2: 578,046 km (0.088 R)
• M3: 1,055,563 km (0.039 R)
• M4: 1,547,141 km (0.073 R)
• M5: 1,959,134 km (0.082 R)
• M6: 2,636,214 km (0.048 R)
• M7: 3,168,034 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.1

Radius: 11.7

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.26 AU - 1.3 AU

Year: 935 Days

Day: 9.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,824,570 km

• M1: 145,559 km (0.098 R)
• M2: 908,209 km (0.101 R)
• M3: 1,803,103 km (0.118 R)
• M4: 2,437,099 km (0.119 R)
• M5: 3,606,057 km (0.093 R)
• M6: 4,059,338 km (0.101 R)
• M7: 4,468,788 km (0.105 R)
• M8: 4,836,798 km (0.03 R)
• M9: 6,329,636 km (0.088 R)
• M10: 6,882,400 km (0.118 R)
• M11: 7,748,272 km (0.052 R)
• M12: 8,281,888 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.2

Radius: 8.7

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.97 AU - 2.49 AU

Year: 2150 Days

Day: 7.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,824,570 km

• M1: 108,309 km (0.116 R)
• M2: 489,783 km (0.079 R)
• M3: 1,071,420 km (0.083 R)
• M4: 1,843,644 km (0.044 R)
• M5: 2,946,330 km (0.081 R)
• M6: 3,263,178 km (0.1 R)
• M7: 4,545,980 km (0.061 R)
• M8: 5,594,960 km (0.098 R)
• M9: 6,163,133 km (0.06 R)
• M10: 6,656,058 km (0.107 R)
• M11: 7,323,863 km (0.093 R)
• M12: 8,491,026 km (0.116 R)
• M13: 9,814,219 km (0.101 R)
• M14: 10,486,661 km (0.114 R)
• M15: 11,965,436 km (0.109 R)
• M16: 12,516,405 km (0.119 R)
• M17: 13,442,266 km (0.086 R)
• M18: 15,628,938 km (0.064 R)
• M19: 16,390,392 km (0.106 R)
• M20: 17,444,009 km (0.108 R)
• M21: 18,042,251 km (0.105 R)
• M22: 18,374,358 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.9

Radius: 14.3

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.57 AU - 2.93 AU

Year: 2945 Days

Day: 10.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,824,570 km

• M1: 177,872 km (0.031 R)
• M2: 663,167 km (0.084 R)
• M3: 1,353,711 km (0.037 R)
• M4: 1,976,337 km (0.111 R)
• M5: 2,722,681 km (0.098 R)
• M6: 3,363,409 km (0.099 R)
• M7: 5,481,116 km (0.111 R)
• M8: 6,717,692 km (0.099 R)
• M9: 7,531,804 km (0.118 R)
• M10: 8,271,117 km (0.043 R)
• M11: 10,413,508 km (0.065 R)
• M12: 10,992,003 km (0.098 R)
• M13: 12,213,469 km (0.061 R)
• M14: 14,566,345 km (0.086 R)
• M15: 15,029,350 km (0.105 R)
• M16: 16,257,549 km (0.081 R)
• M17: 17,150,648 km (0.084 R)
• M18: 17,667,209 km (0.083 R)
• M19: 18,194,243 km (0.071 R)
• M20: 18,852,623 km (0.083 R)
• M21: 21,381,575 km (0.099 R)
• M22: 21,846,226 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.3

Radius: 11.4

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.2 AU - 3.54 AU

Year: 3139 Days

Day: 14.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,824,570 km

• M1: 141,819 km (0.031 R)
• M2: 846,874 km (0.12 R)
• M3: 1,510,789 km (0.117 R)
• M4: 3,450,924 km (0.11 R)
• M5: 4,678,374 km (0.102 R)
• M6: 6,620,005 km (0.094 R)
• M7: 7,147,637 km (0.083 R)
• M8: 7,669,584 km (0.042 R)
• M9: 8,680,566 km (0.055 R)
• M10: 9,237,220 km (0.116 R)
• M11: 10,096,809 km (0.116 R)
• M12: 10,629,228 km (0.079 R)
• M13: 12,432,181 km (0.077 R)
• M14: 12,806,475 km (0.078 R)
• M15: 13,725,754 km (0.114 R)
• M16: 15,001,674 km (0.109 R)
• M17: 16,022,979 km (0.078 R)
• M18: 16,466,686 km (0.105 R)
• M19: 18,084,587 km (0.066 R)
• M20: 19,055,328 km (0.03 R)
• M21: 19,553,638 km (0.091 R)
• M22: 20,188,681 km (0.108 R)
• M23: 21,634,096 km (0.118 R)
• M24: 22,589,129 km (0.12 R)
• M25: 23,501,077 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.8

Radius: 7.3

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.73 AU - 7.78 AU

Year: 10089 Days

Day: 22.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,824,570 km

• M1: 96,191 km (0.115 R)
• M2: 328,367 km (0.062 R)
• M3: 573,558 km (0.075 R)
• M4: 1,489,097 km (0.077 R)
• M5: 1,822,252 km (0.096 R)
• M6: 3,130,335 km (0.064 R)
• M7: 3,397,667 km (0.054 R)
• M8: 3,753,411 km (0.116 R)
• M9: 4,511,722 km (0.026 R)
• M10: 7,476,752 km (0.12 R)
• M11: 8,371,796 km (0.073 R)
• M12: 9,565,737 km (0.1 R)
• M13: 10,422,334 km (0.116 R)
• M14: 11,537,437 km (0.066 R)
• M15: 12,341,974 km (0.075 R)
• M16: 14,979,983 km (0.114 R)
• M17: 16,133,083 km (0.104 R)
• M18: 16,463,545 km (0.09 R)
• M19: 18,327,235 km (0.118 R)
• M20: 22,304,444 km (0.117 R)
• M21: 25,372,248 km (0.065 R)
• M22: 26,362,885 km (0.057 R)
• M23: 30,083,683 km (0.113 R)
• M24: 31,706,371 km (0.074 R)
• M25: 32,329,596 km (0.09 R)
• M26: 33,923,561 km (0.115 R)
• M27: 35,014,878 km (0.101 R)
• M28: 35,569,287 km (0.057 R)
• M29: 37,037,890 km (0.039 R)
• M30: 38,546,584 km (0.049 R)
• M31: 39,854,818 km (0.058 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: 475 - 20,285 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit