🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.5

Radius: 14.7

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.77 AU - 0.95 AU

Year: 541 Days

Day: 13.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,610,272 km

• M1: 184,753 km (0.078 R)
• M2: 675,584 km (0.107 R)
• M3: 1,150,108 km (0.117 R)
• M4: 1,713,195 km (0.052 R)
• M5: 2,205,970 km (0.116 R)
• M6: 2,813,786 km (0.113 R)
• M7: 3,911,984 km (0.103 R)
• M8: 4,385,013 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.6

Radius: 9.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.95 AU - 1.17 AU

Year: 740 Days

Day: 7.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 163.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,610,272 km

• M1: 121,922 km (0.084 R)
• M2: 482,902 km (0.115 R)
• M3: 979,417 km (0.099 R)
• M4: 1,340,547 km (0.063 R)
• M5: 2,331,184 km (0.074 R)
• M6: 2,823,809 km (0.101 R)
• M7: 3,360,417 km (0.087 R)
• M8: 4,429,443 km (0.112 R)
• M9: 5,188,054 km (0.058 R)
• M10: 5,607,227 km (0.087 R)
• M11: 6,195,147 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.1

Radius: 9.5

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.83 AU - 1.33 AU

Year: 761 Days

Day: 10.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,610,272 km

• M1: 118,182 km (0.03 R)
• M2: 470,635 km (0.08 R)
• M3: 775,665 km (0.086 R)
• M4: 1,141,581 km (0.109 R)
• M5: 1,519,615 km (0.116 R)
• M6: 1,861,446 km (0.093 R)
• M7: 2,235,890 km (0.095 R)
• M8: 3,042,671 km (0.041 R)
• M9: 3,807,715 km (0.089 R)
• M10: 4,162,262 km (0.094 R)
• M11: 4,791,620 km (0.049 R)
• M12: 5,465,558 km (0.107 R)
• M13: 6,297,771 km (0.078 R)
• M14: 7,064,311 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.6

Radius: 14.6

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.42 AU - 1.62 AU

Year: 1271 Days

Day: 9.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,610,272 km

• M1: 181,612 km (0.102 R)
• M2: 653,443 km (0.094 R)
• M3: 1,310,029 km (0.069 R)
• M4: 1,807,441 km (0.084 R)
• M5: 2,642,946 km (0.113 R)
• M6: 3,143,799 km (0.042 R)
• M7: 3,660,062 km (0.111 R)
• M8: 5,205,557 km (0.117 R)
• M9: 6,114,364 km (0.036 R)
• M10: 7,152,125 km (0.08 R)
• M11: 7,807,662 km (0.116 R)
• M12: 8,332,452 km (0.089 R)
• M13: 10,705,672 km (0.063 R)
• M14: 11,494,801 km (0.095 R)
• M15: 12,102,617 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.5

Radius: 9.5

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.2 AU - 1.86 AU

Year: 1284 Days

Day: 13.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,610,272 km

• M1: 118,182 km (0.094 R)
• M2: 452,833 km (0.113 R)
• M3: 763,398 km (0.099 R)
• M4: 1,235,529 km (0.084 R)
• M5: 1,635,105 km (0.104 R)
• M6: 2,183,680 km (0.084 R)
• M7: 2,677,503 km (0.109 R)
• M8: 3,342,166 km (0.109 R)
• M9: 4,242,596 km (0.1 R)
• M10: 5,450,748 km (0.086 R)
• M11: 5,749,944 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.7

Radius: 13.4

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.16 AU - 5 AU

Year: 5590 Days

Day: 13.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,610,272 km

• M1: 166,652 km (0.07 R)
• M2: 1,235,678 km (0.043 R)
• M3: 1,775,278 km (0.112 R)
• M4: 3,242,683 km (0.077 R)
• M5: 3,685,493 km (0.049 R)
• M6: 4,241,399 km (0.032 R)
• M7: 4,773,369 km (0.107 R)
• M8: 5,292,773 km (0.082 R)
• M9: 6,413,710 km (0.051 R)
• M10: 7,292,148 km (0.081 R)
• M11: 7,760,539 km (0.118 R)
• M12: 9,455,633 km (0.109 R)
• M13: 11,101,808 km (0.116 R)
• M14: 13,946,112 km (0.108 R)
• M15: 14,557,219 km (0.116 R)
• M16: 16,315,144 km (0.081 R)
• M17: 18,342,045 km (0.106 R)
• M18: 19,899,210 km (0.111 R)
• M19: 22,135,099 km (0.093 R)
• M20: 23,741,930 km (0.044 R)
• M21: 25,507,335 km (0.077 R)
• M22: 27,878,910 km (0.045 R)
• M23: 28,938,960 km (0.107 R)
• M24: 29,842,830 km (0.081 R)
• M25: 31,801,964 km (0.061 R)

Asteroid Belt

Center: 5.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.7

Radius: 5.3

Gravity: 26.58 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.65 AU - 8.15 AU

Year: 12293 Days

Day: 20.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,610,272 km

• M1: 65,973 km (0.074 R)
• M2: 249,230 km (0.053 R)
• M3: 553,063 km (0.075 R)
• M4: 857,345 km (0.075 R)
• M5: 1,320,500 km (0.098 R)
• M6: 1,488,200 km (0.11 R)
• M7: 1,901,389 km (0.064 R)
• M8: 2,595,673 km (0.102 R)
• M9: 2,770,553 km (0.088 R)
• M10: 3,242,683 km (0.114 R)
• M11: 3,766,725 km (0.093 R)
• M12: 4,437,222 km (0.061 R)
• M13: 5,427,411 km (0.109 R)
• M14: 6,241,373 km (0.082 R)
• M15: 7,925,097 km (0.069 R)
• M16: 8,108,653 km (0.094 R)
• M17: 8,294,903 km (0.079 R)
• M18: 8,773,167 km (0.089 R)
• M19: 10,592,726 km (0.088 R)
• M20: 13,282,795 km (0.115 R)
• M21: 13,476,973 km (0.045 R)
• M22: 14,272,086 km (0.116 R)
• M23: 14,888,728 km (0.046 R)
• M24: 16,769,622 km (0.116 R)
• M25: 19,460,589 km (0.086 R)
• M26: 20,303,722 km (0.117 R)
• M27: 21,882,279 km (0.05 R)
• M28: 26,081,940 km (0.11 R)
• M29: 36,916,715 km (0.069 R)
• M30: 39,259,867 km (0.108 R)
• M31: 41,286,768 km (0.079 R)
• M32: 44,240,130 km (0.103 R)
• M33: 50,092,697 km (0.109 R)
• M34: 53,939,307 km (0.032 R)
• M35: 54,764,789 km (0.081 R)
• M36: 55,598,497 km (0.075 R)
• M37: 55,934,494 km (0.041 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: 255 - 18,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit