🌌 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: 444.8

Radius: 11.9

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.55 AU - 0.75 AU

Year: 368 Days

Day: 6.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,467,819 km

• M1: 147,952 km (0.069 R)
• M2: 609,761 km (0.109 R)
• M3: 1,061,397 km (0.038 R)
• M4: 1,515,726 km (0.04 R)
• M5: 1,928,317 km (0.104 R)
• M6: 2,433,509 km (0.11 R)
• M7: 3,127,343 km (0.073 R)
• M8: 3,577,334 km (0.105 R)
• M9: 4,244,690 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243

Radius: 10.7

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.81 AU - 1.05 AU

Year: 630 Days

Day: 13.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,467,819 km

• M1: 133,441 km (0.104 R)
• M2: 573,558 km (0.11 R)
• M3: 1,024,297 km (0.09 R)
• M4: 1,653,804 km (0.106 R)
• M5: 2,309,193 km (0.045 R)
• M6: 2,847,147 km (0.083 R)
• M7: 3,329,450 km (0.041 R)
• M8: 4,858,041 km (0.105 R)
• M9: 5,296,513 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.3

Radius: 14

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.87 AU - 1.03 AU

Year: 651 Days

Day: 5.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,467,819 km

• M1: 174,581 km (0.075 R)
• M2: 664,215 km (0.04 R)
• M3: 1,514,978 km (0.086 R)
• M4: 2,469,412 km (0.108 R)
• M5: 2,996,445 km (0.095 R)
• M6: 3,637,023 km (0.075 R)
• M7: 4,353,448 km (0.092 R)
• M8: 4,887,213 km (0.065 R)
• M9: 5,430,552 km (0.11 R)
• M10: 6,445,424 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.6

Radius: 12.4

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.96 AU - 1.58 AU

Year: 1006 Days

Day: 7.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,467,819 km

• M1: 154,235 km (0.117 R)
• M2: 550,520 km (0.105 R)
• M3: 993,479 km (0.106 R)
• M4: 1,965,417 km (0.083 R)
• M5: 2,369,630 km (0.118 R)
• M6: 3,506,424 km (0.104 R)
• M7: 4,994,475 km (0.071 R)
• M8: 6,476,690 km (0.078 R)
• M9: 7,452,218 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.3

Radius: 10.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.7 AU - 1.88 AU

Year: 1683 Days

Day: 14.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,467,819 km

• M1: 127,009 km (0.095 R)
• M2: 699,968 km (0.116 R)
• M3: 1,090,868 km (0.065 R)
• M4: 1,553,275 km (0.112 R)
• M5: 2,025,406 km (0.078 R)
• M6: 2,538,975 km (0.086 R)
• M7: 2,912,820 km (0.03 R)
• M8: 3,543,076 km (0.101 R)
• M9: 4,187,244 km (0.106 R)
• M10: 5,474,085 km (0.116 R)
• M11: 7,220,341 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805

Radius: 5.9

Gravity: 23.13 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.04 AU - 6.46 AU

Year: 9692 Days

Day: 17 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,467,819 km

• M1: 73,453 km (0.119 R)
• M2: 299,645 km (0.073 R)
• M3: 565,031 km (0.096 R)
• M4: 903,272 km (0.04 R)
• M5: 1,113,307 km (0.106 R)
• M6: 1,916,498 km (0.104 R)
• M7: 2,702,785 km (0.064 R)
• M8: 3,507,621 km (0.113 R)
• M9: 5,176,236 km (0.102 R)
• M10: 5,786,595 km (0.112 R)
• M11: 6,443,928 km (0.098 R)
• M12: 7,395,969 km (0.099 R)
• M13: 8,036,697 km (0.046 R)
• M14: 10,180,883 km (0.094 R)
• M15: 10,440,435 km (0.085 R)
• M16: 10,973,004 km (0.045 R)
• M17: 12,798,696 km (0.107 R)
• M18: 15,151,422 km (0.11 R)
• M19: 15,764,474 km (0.08 R)
• M20: 17,039,945 km (0.066 R)
• M21: 18,154,150 km (0.106 R)
• M22: 21,277,156 km (0.077 R)
• M23: 21,531,173 km (0.103 R)
• M24: 23,277,279 km (0.086 R)
• M25: 23,637,511 km (0.085 R)
• M26: 25,877,290 km (0.088 R)
• M27: 26,263,851 km (0.104 R)
• M28: 26,458,627 km (0.091 R)
• M29: 31,316,968 km (0.106 R)
• M30: 33,324,870 km (0.078 R)
• M31: 44,940,098 km (0.098 R)
• M32: 45,920,562 km (0.079 R)
• M33: 47,058,254 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984

Radius: 5.8

Gravity: 29.25 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.47 AU - 6.79 AU

Year: 10668 Days

Day: 19.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,467,819 km

• M1: 72,256 km (0.096 R)
• M2: 325,525 km (0.106 R)
• M3: 697,575 km (0.093 R)
• M4: 881,281 km (0.11 R)
• M5: 1,182,122 km (0.089 R)
• M6: 1,818,063 km (0.102 R)
• M7: 2,211,356 km (0.097 R)
• M8: 2,490,057 km (0.095 R)
• M9: 2,681,392 km (0.089 R)
• M10: 3,142,303 km (0.082 R)
• M11: 3,763,284 km (0.11 R)
• M12: 3,987,531 km (0.096 R)
• M13: 4,220,605 km (0.09 R)
• M14: 8,805,181 km (0.11 R)
• M15: 9,302,295 km (0.06 R)
• M16: 9,609,270 km (0.112 R)
• M17: 12,314,598 km (0.107 R)
• M18: 13,126,316 km (0.071 R)
• M19: 13,906,768 km (0.064 R)
• M20: 15,205,128 km (0.057 R)
• M21: 16,656,975 km (0.064 R)
• M22: 19,415,859 km (0.094 R)
• M23: 22,101,290 km (0.048 R)
• M24: 33,141,164 km (0.094 R)
• M25: 38,242,751 km (0.107 R)
• M26: 41,459,255 km (0.076 R)
• M27: 43,274,625 km (0.12 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: 268 - 16,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit