🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.3

Radius: 13.2

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.88 AU - 1.3 AU

Year: 735 Days

Day: 9.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,313,187 km

• M1: 166,353 km (0.109 R)
• M2: 636,689 km (0.099 R)
• M3: 1,254,229 km (0.04 R)
• M4: 2,025,406 km (0.076 R)
• M5: 3,134,973 km (0.089 R)
• M6: 3,837,485 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.1

Radius: 9.6

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.27 AU - 1.27 AU

Year: 924 Days

Day: 13.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,313,187 km

• M1: 119,529 km (0.098 R)
• M2: 552,764 km (0.115 R)
• M3: 988,992 km (0.095 R)
• M4: 1,842,896 km (0.095 R)
• M5: 3,060,772 km (0.1 R)
• M6: 3,456,908 km (0.051 R)
• M7: 4,403,413 km (0.088 R)
• M8: 5,093,508 km (0.089 R)
• M9: 5,533,176 km (0.107 R)
• M10: 6,123,789 km (0.081 R)
• M11: 7,673,324 km (0.054 R)
• M12: 9,160,925 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.1

Radius: 10.5

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.45 AU - 1.47 AU

Year: 1139 Days

Day: 8.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,313,187 km

• M1: 131,646 km (0.06 R)
• M2: 630,256 km (0.054 R)
• M3: 1,189,901 km (0.042 R)
• M4: 1,677,591 km (0.12 R)
• M5: 2,110,826 km (0.07 R)
• M6: 2,492,450 km (0.104 R)
• M7: 3,191,970 km (0.104 R)
• M8: 3,909,142 km (0.104 R)
• M9: 4,240,950 km (0.119 R)
• M10: 6,006,205 km (0.072 R)
• M11: 7,864,061 km (0.114 R)
• M12: 8,318,390 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.5

Radius: 12.3

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.2 AU - 1.92 AU

Year: 1258 Days

Day: 6.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,313,187 km

• M1: 153,039 km (0.064 R)
• M2: 609,911 km (0.1 R)
• M3: 1,048,531 km (0.099 R)
• M4: 1,563,747 km (0.078 R)
• M5: 1,971,550 km (0.112 R)
• M6: 2,559,021 km (0.069 R)
• M7: 4,138,326 km (0.049 R)
• M8: 5,186,857 km (0.096 R)
• M9: 5,678,286 km (0.117 R)
• M10: 6,178,392 km (0.071 R)
• M11: 6,590,085 km (0.093 R)
• M12: 7,648,640 km (0.038 R)
• M13: 8,396,779 km (0.041 R)
• M14: 8,931,890 km (0.113 R)
• M15: 9,549,580 km (0.116 R)
• M16: 10,321,954 km (0.105 R)
• M17: 10,936,502 km (0.102 R)
• M18: 11,541,027 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.2

Radius: 8.4

Gravity: 13.44 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.78 AU - 2.76 AU

Year: 2208 Days

Day: 13.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,313,187 km

• M1: 104,569 km (0.11 R)
• M2: 418,874 km (0.111 R)
• M3: 1,071,869 km (0.112 R)
• M4: 1,374,954 km (0.117 R)
• M5: 1,826,590 km (0.115 R)
• M6: 2,319,066 km (0.072 R)
• M7: 2,649,378 km (0.116 R)
• M8: 3,127,343 km (0.107 R)
• M9: 5,916,895 km (0.061 R)
• M10: 7,319,824 km (0.088 R)
• M11: 7,625,153 km (0.081 R)
• M12: 8,392,590 km (0.079 R)
• M13: 10,925,581 km (0.04 R)
• M14: 12,975,820 km (0.088 R)
• M15: 14,975,345 km (0.107 R)
• M16: 17,712,089 km (0.066 R)
• M17: 18,152,206 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.9

Radius: 11.9

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.37 AU - 6.77 AU

Year: 8488 Days

Day: 12.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,313,187 km

• M1: 147,952 km (0.097 R)
• M2: 654,790 km (0.045 R)
• M3: 1,299,108 km (0.083 R)
• M4: 2,073,726 km (0.086 R)
• M5: 2,591,933 km (0.107 R)
• M6: 3,056,135 km (0.096 R)
• M7: 4,477,913 km (0.102 R)
• M8: 7,876,328 km (0.05 R)
• M9: 9,314,562 km (0.061 R)
• M10: 10,275,579 km (0.077 R)
• M11: 11,446,631 km (0.095 R)
• M12: 12,445,944 km (0.115 R)
• M13: 13,019,951 km (0.059 R)
• M14: 14,675,402 km (0.064 R)
• M15: 20,914,381 km (0.118 R)
• M16: 22,944,424 km (0.106 R)
• M17: 28,995,358 km (0.092 R)
• M18: 32,679,954 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.7

Radius: 3.5

Gravity: 68.79 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.14 AU - 7.58 AU

Year: 11601 Days

Day: 24.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,313,187 km

• M1: 46,824 km (0.108 R)
• M2: 246,537 km (0.086 R)
• M3: 390,750 km (0.114 R)
• M4: 517,459 km (0.089 R)
• M5: 788,381 km (0.077 R)
• M6: 1,005,298 km (0.059 R)
• M7: 1,247,796 km (0.053 R)
• M8: 2,061,309 km (0.092 R)
• M9: 3,007,815 km (0.075 R)
• M10: 4,181,859 km (0.067 R)
• M11: 4,675,532 km (0.088 R)
• M12: 6,309,889 km (0.079 R)
• M13: 8,289,667 km (0.102 R)
• M14: 8,623,270 km (0.074 R)
• M15: 10,101,297 km (0.113 R)
• M16: 10,317,616 km (0.108 R)
• M17: 10,592,277 km (0.116 R)
• M18: 11,213,856 km (0.076 R)
• M19: 11,387,390 km (0.098 R)
• M20: 12,778,800 km (0.097 R)
• M21: 13,482,508 km (0.057 R)
• M22: 13,613,257 km (0.079 R)
• M23: 15,036,980 km (0.044 R)
• M24: 16,112,588 km (0.094 R)
• M25: 17,315,505 km (0.107 R)
• M26: 22,726,310 km (0.119 R)
• M27: 23,567,499 km (0.111 R)
• M28: 27,663,189 km (0.087 R)
• M29: 32,442,393 km (0.105 R)
• M30: 35,334,867 km (0.084 R)
• M31: 35,459,034 km (0.055 R)
• M32: 37,355,935 km (0.062 R)
• M33: 37,484,738 km (0.072 R)
• M34: 40,258,732 km (0.093 R)
• M35: 40,802,071 km (0.086 R)
• M36: 44,165,929 km (0.087 R)
• M37: 44,309,842 km (0.118 R)
• M38: 47,709,753 km (0.109 R)
• M39: 48,013,437 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.3

Radius: 6.3

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 10.14 AU - 11.9 AU

Year: 23620 Days

Day: 22.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,313,187 km

• M1: 78,838 km (0.095 R)
• M2: 283,638 km (0.079 R)
• M3: 491,429 km (0.117 R)
• M4: 992,881 km (0.041 R)
• M5: 2,055,624 km (0.073 R)
• M6: 2,615,569 km (0.104 R)
• M7: 2,856,422 km (0.075 R)
• M8: 4,160,616 km (0.064 R)
• M9: 6,663,239 km (0.111 R)
• M10: 6,886,289 km (0.076 R)
• M11: 8,330,357 km (0.083 R)
• M12: 9,177,829 km (0.041 R)
• M13: 11,419,105 km (0.115 R)
• M14: 11,674,319 km (0.079 R)
• M15: 13,856,204 km (0.071 R)
• M16: 14,146,723 km (0.081 R)
• M17: 15,427,280 km (0.045 R)
• M18: 15,660,952 km (0.039 R)
• M19: 18,918,745 km (0.096 R)
• M20: 19,729,865 km (0.079 R)
• M21: 20,847,211 km (0.103 R)
• M22: 26,847,582 km (0.107 R)
• M23: 31,346,588 km (0.072 R)
• M24: 31,721,780 km (0.076 R)
• M25: 36,737,198 km (0.102 R)
• M26: 39,723,471 km (0.079 R)
• M27: 46,985,550 km (0.083 R)
• M28: 47,806,543 km (0.103 R)
• M29: 53,644,749 km (0.117 R)
• M30: 60,325,491 km (0.089 R)
• M31: 61,490,260 km (0.089 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 17,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit