🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.9

Radius: 8.9

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.51 AU - 0.79 AU

Year: 368 Days

Day: 12.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,598,119 km

• M1: 110,702 km (0.084 R)
• M2: 408,103 km (0.113 R)
• M3: 737,069 km (0.079 R)
• M4: 1,015,171 km (0.097 R)
• M5: 1,424,621 km (0.113 R)
• M6: 1,740,571 km (0.067 R)
• M7: 2,048,743 km (0.098 R)
• M8: 2,393,267 km (0.097 R)
• M9: 2,913,269 km (0.101 R)
• M10: 3,702,099 km (0.103 R)
• M11: 4,002,940 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.7

Radius: 13.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.85 AU - 1.15 AU

Year: 703 Days

Day: 10.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,598,119 km

• M1: 173,683 km (0.067 R)
• M2: 751,131 km (0.107 R)
• M3: 1,200,822 km (0.089 R)
• M4: 1,706,762 km (0.076 R)
• M5: 2,246,960 km (0.058 R)
• M6: 2,684,384 km (0.092 R)
• M7: 3,693,422 km (0.1 R)
• M8: 4,247,832 km (0.105 R)
• M9: 5,361,588 km (0.099 R)
• M10: 6,394,262 km (0.043 R)
• M11: 6,851,433 km (0.042 R)
• M12: 7,762,185 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.6

Radius: 10.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.38 AU - 1.86 AU

Year: 1449 Days

Day: 12.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,598,119 km

• M1: 134,339 km (0.104 R)
• M2: 577,897 km (0.058 R)
• M3: 985,551 km (0.108 R)
• M4: 2,113,220 km (0.111 R)
• M5: 2,946,928 km (0.118 R)
• M6: 6,005,756 km (0.088 R)
• M7: 6,452,007 km (0.027 R)
• M8: 6,896,462 km (0.071 R)
• M9: 7,436,510 km (0.097 R)
• M10: 8,408,298 km (0.109 R)
• M11: 8,853,950 km (0.062 R)
• M12: 11,157,009 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86

Radius: 9

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.41 AU - 1.93 AU

Year: 1517 Days

Day: 13.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,598,119 km

• M1: 123,269 km (0.07 R)
• M2: 642,074 km (0.064 R)
• M3: 1,111,662 km (0.103 R)
• M4: 1,905,428 km (0.106 R)
• M5: 2,232,599 km (0.046 R)
• M6: 2,618,262 km (0.112 R)
• M7: 3,130,036 km (0.111 R)
• M8: 3,720,349 km (0.109 R)
• M9: 4,427,947 km (0.108 R)
• M10: 5,796,768 km (0.116 R)
• M11: 6,240,475 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964

Radius: 14.5

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.69 AU - 2.55 AU

Year: 2170 Days

Day: 7.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,598,119 km

• M1: 201,957 km (0.072 R)
• M2: 709,543 km (0.086 R)
• M3: 1,456,784 km (0.106 R)
• M4: 2,372,473 km (0.112 R)
• M5: 3,172,522 km (0.08 R)
• M6: 3,948,935 km (0.114 R)
• M7: 4,456,521 km (0.089 R)
• M8: 4,985,050 km (0.071 R)
• M9: 6,856,220 km (0.087 R)
• M10: 8,450,036 km (0.076 R)
• M11: 9,404,620 km (0.073 R)
• M12: 10,241,620 km (0.101 R)
• M13: 10,736,340 km (0.105 R)
• M14: 12,530,617 km (0.093 R)
• M15: 13,499,413 km (0.11 R)
• M16: 14,234,985 km (0.12 R)
• M17: 16,551,209 km (0.1 R)
• M18: 17,394,193 km (0.091 R)
• M19: 18,376,602 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.9

Radius: 9

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.9 AU - 6.18 AU

Year: 7953 Days

Day: 5.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 25,598,119 km

• M1: 120,426 km (0.098 R)
• M2: 565,630 km (0.055 R)
• M3: 937,231 km (0.113 R)
• M4: 1,288,486 km (0.1 R)
• M5: 1,998,777 km (0.112 R)
• M6: 2,316,224 km (0.118 R)
• M7: 4,444,852 km (0.049 R)
• M8: 4,901,574 km (0.116 R)
• M9: 6,112,569 km (0.118 R)
• M10: 7,086,900 km (0.108 R)
• M11: 8,979,911 km (0.032 R)
• M12: 10,091,124 km (0.06 R)
• M13: 11,033,741 km (0.117 R)
• M14: 11,765,125 km (0.086 R)
• M15: 13,440,770 km (0.09 R)
• M16: 14,214,191 km (0.071 R)
• M17: 16,712,476 km (0.107 R)
• M18: 19,791,050 km (0.105 R)
• M19: 22,976,438 km (0.029 R)
• M20: 25,132,143 km (0.104 R)
• M21: 27,797,678 km (0.045 R)
• M22: 30,443,615 km (0.108 R)
• M23: 31,053,526 km (0.083 R)
• M24: 33,575,297 km (0.117 R)
• M25: 36,230,510 km (0.113 R)
• M26: 39,022,605 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.1

Radius: 6.9

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.83 AU - 9.03 AU

Year: 14236 Days

Day: 15.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,598,119 km

• M1: 86,168 km (0.085 R)
• M2: 302,038 km (0.08 R)
• M3: 641,924 km (0.116 R)
• M4: 1,379,143 km (0.107 R)
• M5: 2,563,808 km (0.114 R)
• M6: 4,258,902 km (0.098 R)
• M7: 4,534,461 km (0.092 R)
• M8: 8,320,933 km (0.107 R)
• M9: 11,824,515 km (0.074 R)
• M10: 13,868,471 km (0.066 R)
• M11: 14,414,054 km (0.119 R)
• M12: 18,568,387 km (0.086 R)
• M13: 21,154,485 km (0.082 R)
• M14: 23,118,257 km (0.119 R)
• M15: 26,378,892 km (0.116 R)
• M16: 28,747,624 km (0.073 R)
• M17: 35,226,858 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.7

Radius: 7.6

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.2 AU - 9.14 AU

Year: 17945 Days

Day: 18.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,598,119 km

• M1: 96,491 km (0.054 R)
• M2: 486,941 km (0.112 R)
• M3: 1,038,658 km (0.053 R)
• M4: 1,617,602 km (0.117 R)
• M5: 1,906,176 km (0.057 R)
• M6: 2,158,248 km (0.097 R)
• M7: 6,136,953 km (0.084 R)
• M8: 8,115,236 km (0.061 R)
• M9: 12,919,871 km (0.106 R)
• M10: 13,767,941 km (0.096 R)
• M11: 14,142,534 km (0.056 R)
• M12: 15,507,465 km (0.06 R)
• M13: 16,049,757 km (0.101 R)
• M14: 17,316,253 km (0.11 R)
• M15: 20,935,175 km (0.116 R)
• M16: 22,790,338 km (0.103 R)
• M17: 29,316,545 km (0.065 R)
• M18: 33,843,526 km (0.104 R)
• M19: 45,206,083 km (0.034 R)
• M20: 46,731,233 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.5

Radius: 6.9

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 8.11 AU - 11.77 AU

Year: 22029 Days

Day: 20.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,598,119 km

• M1: 170,242 km (0.06 R)
• M2: 484,398 km (0.061 R)
• M3: 1,336,657 km (0.075 R)
• M4: 4,542,240 km (0.085 R)
• M5: 4,810,469 km (0.037 R)
• M6: 5,298,906 km (0.087 R)
• M7: 6,344,296 km (0.062 R)
• M8: 8,394,236 km (0.119 R)
• M9: 14,938,694 km (0.099 R)
• M10: 22,940,833 km (0.052 R)
• M11: 23,804,911 km (0.105 R)
• M12: 24,467,181 km (0.102 R)
• M13: 25,521,696 km (0.086 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 16,292 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit