🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133

Radius: 10.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.75 AU - 0.75 AU

Year: 433 Days

Day: 11.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,023,438 km

• M1: 135,536 km (0.114 R)
• M2: 527,033 km (0.051 R)
• M3: 900,280 km (0.106 R)
• M4: 1,263,204 km (0.097 R)
• M5: 1,671,906 km (0.082 R)
• M6: 2,015,383 km (0.069 R)
• M7: 2,729,114 km (0.094 R)
• M8: 3,296,688 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.9

Radius: 13.8

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.58 AU - 0.96 AU

Year: 451 Days

Day: 10.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,023,438 km

• M1: 171,589 km (0.114 R)
• M2: 782,098 km (0.078 R)
• M3: 1,333,216 km (0.076 R)
• M4: 2,096,614 km (0.118 R)
• M5: 2,648,182 km (0.067 R)
• M6: 3,382,857 km (0.099 R)
• M7: 3,901,064 km (0.074 R)
• M8: 4,757,811 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.2

Radius: 14

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.7 AU - 2.8 AU

Year: 2251 Days

Day: 7.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,023,438 km

• M1: 174,132 km (0.064 R)
• M2: 630,555 km (0.046 R)
• M3: 1,264,551 km (0.114 R)
• M4: 1,719,927 km (0.053 R)
• M5: 2,182,035 km (0.111 R)
• M6: 2,668,228 km (0.096 R)
• M7: 3,244,179 km (0.113 R)
• M8: 3,748,923 km (0.05 R)
• M9: 4,202,653 km (0.059 R)
• M10: 5,174,740 km (0.107 R)
• M11: 5,816,515 km (0.096 R)
• M12: 6,994,748 km (0.048 R)
• M13: 7,532,851 km (0.079 R)
• M14: 7,970,575 km (0.114 R)
• M15: 8,625,364 km (0.075 R)
• M16: 9,711,295 km (0.105 R)
• M17: 11,817,933 km (0.115 R)
• M18: 14,356,010 km (0.06 R)
• M19: 16,601,923 km (0.045 R)
• M20: 18,787,099 km (0.088 R)
• M21: 19,536,884 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.6

Radius: 9.8

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.14 AU - 2.72 AU

Year: 2526 Days

Day: 10.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,023,438 km

• M1: 122,969 km (0.105 R)
• M2: 495,319 km (0.119 R)
• M3: 829,221 km (0.11 R)
• M4: 1,319,154 km (0.067 R)
• M5: 1,740,571 km (0.083 R)
• M6: 3,505,377 km (0.108 R)
• M7: 4,496,613 km (0.084 R)
• M8: 5,153,946 km (0.097 R)
• M9: 5,734,086 km (0.11 R)
• M10: 7,681,551 km (0.089 R)
• M11: 8,529,472 km (0.117 R)
• M12: 9,054,710 km (0.103 R)
• M13: 10,376,108 km (0.111 R)
• M14: 10,867,687 km (0.114 R)
• M15: 11,671,476 km (0.046 R)
• M16: 12,990,929 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322

Radius: 10.9

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.97 AU - 3.51 AU

Year: 3889 Days

Day: 6.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,023,438 km

• M1: 135,536 km (0.119 R)
• M2: 684,111 km (0.114 R)
• M3: 1,063,342 km (0.034 R)
• M4: 1,736,682 km (0.109 R)
• M5: 2,498,733 km (0.116 R)
• M6: 3,258,242 km (0.114 R)
• M7: 4,227,337 km (0.115 R)
• M8: 5,961,475 km (0.032 R)
• M9: 7,164,392 km (0.106 R)
• M10: 8,724,697 km (0.106 R)
• M11: 9,712,193 km (0.057 R)
• M12: 12,899,824 km (0.116 R)
• M13: 15,144,690 km (0.092 R)
• M14: 18,190,802 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.5

Radius: 12.6

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.04 AU - 6.28 AU

Year: 7816 Days

Day: 12.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,023,438 km

• M1: 156,779 km (0.09 R)
• M2: 779,854 km (0.106 R)
• M3: 1,451,399 km (0.111 R)
• M4: 2,422,289 km (0.118 R)
• M5: 4,526,084 km (0.118 R)
• M6: 5,169,055 km (0.118 R)
• M7: 6,020,118 km (0.051 R)
• M8: 6,798,774 km (0.066 R)
• M9: 7,928,388 km (0.061 R)
• M10: 8,864,422 km (0.115 R)
• M11: 10,645,384 km (0.104 R)
• M12: 15,125,542 km (0.117 R)
• M13: 16,445,593 km (0.081 R)
• M14: 18,408,018 km (0.04 R)
• M15: 19,248,309 km (0.089 R)
• M16: 20,385,552 km (0.087 R)
• M17: 28,083,559 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475

Radius: 4.3

Gravity: 25.69 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.65 AU - 8.41 AU

Year: 15174 Days

Day: 20.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 56,023,438 km

• M1: 53,406 km (0.079 R)
• M2: 188,194 km (0.082 R)
• M3: 379,829 km (0.097 R)
• M4: 625,469 km (0.051 R)
• M5: 1,071,719 km (0.058 R)
• M6: 1,217,427 km (0.043 R)
• M7: 1,657,096 km (0.09 R)
• M8: 2,046,648 km (0.081 R)
• M9: 3,608,749 km (0.092 R)
• M10: 4,660,572 km (0.082 R)
• M11: 4,952,438 km (0.093 R)
• M12: 8,480,853 km (0.107 R)
• M13: 9,416,438 km (0.093 R)
• M14: 10,041,458 km (0.108 R)
• M15: 13,522,152 km (0.112 R)
• M16: 14,316,815 km (0.063 R)
• M17: 15,002,422 km (0.104 R)
• M18: 15,424,288 km (0.1 R)
• M19: 16,439,011 km (0.09 R)
• M20: 17,190,441 km (0.101 R)
• M21: 19,251,152 km (0.065 R)
• M22: 21,826,778 km (0.11 R)
• M23: 22,277,217 km (0.091 R)
• M24: 26,207,602 km (0.119 R)
• M25: 26,716,385 km (0.051 R)
• M26: 29,688,146 km (0.102 R)
• M27: 31,139,844 km (0.113 R)
• M28: 34,304,886 km (0.048 R)
• M29: 39,245,206 km (0.084 R)
• M30: 42,509,581 km (0.12 R)
• M31: 44,351,131 km (0.088 R)
• M32: 46,541,244 km (0.087 R)
• M33: 48,192,356 km (0.055 R)
• M34: 50,349,856 km (0.055 R)
• M35: 51,293,968 km (0.112 R)
• M36: 51,452,392 km (0.067 R)
• M37: 53,217,199 km (0.098 R)
• M38: 54,690,887 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 10,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit