🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.8

Radius: 14.1

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.59 AU - 0.97 AU

Year: 452 Days

Day: 11.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,285,310 km

• M1: 175,927 km (0.106 R)
• M2: 628,012 km (0.11 R)
• M3: 1,322,146 km (0.115 R)
• M4: 1,830,480 km (0.07 R)
• M5: 2,935,559 km (0.12 R)
• M6: 3,636,575 km (0.094 R)
• M7: 4,106,910 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.7

Radius: 12.7

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.25 AU - 1.67 AU

Year: 1157 Days

Day: 9.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,285,310 km

• M1: 157,975 km (0.094 R)
• M2: 592,557 km (0.115 R)
• M3: 1,445,115 km (0.098 R)
• M4: 2,104,094 km (0.054 R)
• M5: 2,917,607 km (0.119 R)
• M6: 3,441,499 km (0.084 R)
• M7: 4,060,535 km (0.111 R)
• M8: 4,608,362 km (0.062 R)
• M9: 5,147,064 km (0.066 R)
• M10: 5,706,860 km (0.051 R)
• M11: 6,576,921 km (0.075 R)
• M12: 7,286,015 km (0.068 R)
• M13: 7,812,300 km (0.082 R)
• M14: 8,608,161 km (0.116 R)
• M15: 10,114,910 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.9

Radius: 14.3

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.21 AU - 1.81 AU

Year: 1217 Days

Day: 14.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,285,310 km

• M1: 177,872 km (0.09 R)
• M2: 779,405 km (0.078 R)
• M3: 1,495,530 km (0.038 R)
• M4: 2,004,462 km (0.044 R)
• M5: 2,590,287 km (0.119 R)
• M6: 3,117,769 km (0.05 R)
• M7: 3,615,930 km (0.049 R)
• M8: 4,167,497 km (0.12 R)
• M9: 4,654,887 km (0.07 R)
• M10: 5,116,696 km (0.099 R)
• M11: 5,832,372 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.4

Radius: 14.8

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.1 AU - 3.74 AU

Year: 4149 Days

Day: 5.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,285,310 km

• M1: 184,155 km (0.073 R)
• M2: 728,542 km (0.095 R)
• M3: 2,205,521 km (0.074 R)
• M4: 2,822,164 km (0.108 R)
• M5: 3,394,076 km (0.049 R)
• M6: 4,277,602 km (0.071 R)
• M7: 5,182,818 km (0.1 R)
• M8: 6,188,864 km (0.108 R)
• M9: 7,783,876 km (0.059 R)
• M10: 8,529,023 km (0.111 R)
• M11: 9,134,147 km (0.1 R)
• M12: 10,162,333 km (0.076 R)
• M13: 12,448,637 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70

Radius: 8.5

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.81 AU - 4.89 AU

Year: 5952 Days

Day: 7.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,285,310 km

• M1: 113,545 km (0.112 R)
• M2: 405,560 km (0.066 R)
• M3: 697,874 km (0.087 R)
• M4: 1,349,223 km (0.085 R)
• M5: 2,207,317 km (0.096 R)
• M6: 2,599,712 km (0.099 R)
• M7: 3,194,663 km (0.117 R)
• M8: 4,044,079 km (0.119 R)
• M9: 4,716,671 km (0.091 R)
• M10: 6,359,705 km (0.06 R)
• M11: 7,637,719 km (0.09 R)
• M12: 9,079,095 km (0.082 R)
• M13: 10,875,765 km (0.119 R)
• M14: 11,246,768 km (0.115 R)
• M15: 12,171,582 km (0.035 R)
• M16: 12,571,457 km (0.073 R)
• M17: 14,704,124 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.1

Radius: 9.1

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.5 AU - 5.56 AU

Year: 6325 Days

Day: 12.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 31,285,310 km

• M1: 113,246 km (0.099 R)
• M2: 680,222 km (0.11 R)
• M3: 1,449,603 km (0.113 R)
• M4: 1,837,211 km (0.116 R)
• M5: 2,455,799 km (0.06 R)
• M6: 2,804,960 km (0.08 R)
• M7: 3,147,390 km (0.114 R)
• M8: 3,453,916 km (0.107 R)
• M9: 4,033,159 km (0.057 R)
• M10: 5,021,701 km (0.051 R)
• M11: 5,327,779 km (0.106 R)
• M12: 6,070,233 km (0.075 R)
• M13: 6,385,884 km (0.052 R)
• M14: 6,679,395 km (0.092 R)
• M15: 7,542,425 km (0.114 R)
• M16: 7,833,692 km (0.077 R)
• M17: 9,239,015 km (0.069 R)
• M18: 9,530,581 km (0.073 R)
• M19: 9,914,748 km (0.105 R)
• M20: 10,353,519 km (0.047 R)
• M21: 12,090,799 km (0.103 R)
• M22: 13,959,725 km (0.099 R)
• M23: 15,077,371 km (0.073 R)
• M24: 15,835,084 km (0.105 R)
• M25: 16,435,121 km (0.054 R)
• M26: 20,710,928 km (0.069 R)
• M27: 22,088,574 km (0.08 R)
• M28: 23,142,043 km (0.063 R)
• M29: 26,839,354 km (0.098 R)
• M30: 27,951,614 km (0.036 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: 346 - 13,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit