🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.5

Radius: 9.1

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.28 AU - 1.38 AU

Year: 1023 Days

Day: 13.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,883,269 km

• M1: 113,246 km (0.027 R)
• M2: 400,473 km (0.062 R)
• M3: 817,104 km (0.086 R)
• M4: 1,140,235 km (0.08 R)
• M5: 1,549,535 km (0.084 R)
• M6: 1,931,757 km (0.106 R)
• M7: 2,423,336 km (0.12 R)
• M8: 2,718,493 km (0.079 R)
• M9: 3,079,323 km (0.058 R)
• M10: 3,381,959 km (0.06 R)
• M11: 3,800,534 km (0.078 R)
• M12: 4,149,546 km (0.045 R)
• M13: 5,512,682 km (0.06 R)
• M14: 5,939,335 km (0.113 R)
• M15: 6,433,905 km (0.054 R)
• M16: 7,053,540 km (0.118 R)
• M17: 8,003,486 km (0.106 R)
• M18: 10,061,504 km (0.093 R)
• M19: 11,466,677 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.1

Radius: 13.7

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.28 AU - 1.92 AU

Year: 1350 Days

Day: 13 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,883,269 km

• M1: 170,392 km (0.03 R)
• M2: 622,327 km (0.086 R)
• M3: 1,078,002 km (0.107 R)
• M4: 1,561,951 km (0.073 R)
• M5: 2,557,076 km (0.063 R)
• M6: 3,092,338 km (0.068 R)
• M7: 4,298,396 km (0.116 R)
• M8: 4,816,902 km (0.056 R)
• M9: 5,595,708 km (0.107 R)
• M10: 7,404,945 km (0.082 R)
• M11: 8,011,415 km (0.11 R)
• M12: 9,013,721 km (0.1 R)
• M13: 9,577,256 km (0.028 R)
• M14: 11,628,242 km (0.084 R)
• M15: 12,679,467 km (0.056 R)
• M16: 13,148,905 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.6

Radius: 9.4

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.02 AU - 3.12 AU

Year: 2747 Days

Day: 5.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,883,269 km

• M1: 116,836 km (0.096 R)
• M2: 460,313 km (0.101 R)
• M3: 875,447 km (0.08 R)
• M4: 1,321,548 km (0.063 R)
• M5: 1,939,237 km (0.099 R)
• M6: 3,248,368 km (0.112 R)
• M7: 4,038,843 km (0.067 R)
• M8: 4,975,775 km (0.101 R)
• M9: 5,813,972 km (0.112 R)
• M10: 6,239,877 km (0.07 R)
• M11: 8,187,641 km (0.076 R)
• M12: 8,486,089 km (0.067 R)
• M13: 10,202,874 km (0.104 R)
• M14: 11,142,947 km (0.077 R)
• M15: 12,268,372 km (0.1 R)
• M16: 13,149,653 km (0.073 R)
• M17: 14,549,889 km (0.107 R)
• M18: 16,098,676 km (0.077 R)
• M19: 16,726,688 km (0.107 R)
• M20: 19,169,920 km (0.078 R)
• M21: 19,697,552 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.8

Radius: 10.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.52 AU - 2.76 AU

Year: 2860 Days

Day: 9.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,883,269 km

• M1: 127,009 km (0.052 R)
• M2: 492,327 km (0.055 R)
• M3: 826,678 km (0.11 R)
• M4: 1,234,332 km (0.103 R)
• M5: 1,631,514 km (0.085 R)
• M6: 2,147,627 km (0.107 R)
• M7: 2,676,156 km (0.084 R)
• M8: 3,429,382 km (0.113 R)
• M9: 3,890,293 km (0.103 R)
• M10: 5,860,796 km (0.069 R)
• M11: 6,208,910 km (0.104 R)
• M12: 9,047,530 km (0.105 R)
• M13: 9,545,391 km (0.075 R)
• M14: 10,292,932 km (0.088 R)
• M15: 11,504,675 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.4

Radius: 11.6

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.46 AU - 4.06 AU

Year: 3925 Days

Day: 11.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,883,269 km

• M1: 145,260 km (0.047 R)
• M2: 601,982 km (0.092 R)
• M3: 1,252,284 km (0.113 R)
• M4: 1,723,218 km (0.102 R)
• M5: 2,112,771 km (0.093 R)
• M6: 2,600,909 km (0.086 R)
• M7: 4,051,260 km (0.081 R)
• M8: 5,797,965 km (0.059 R)
• M9: 6,636,461 km (0.096 R)
• M10: 7,663,899 km (0.082 R)
• M11: 9,163,767 km (0.095 R)
• M12: 9,575,610 km (0.102 R)
• M13: 10,607,835 km (0.078 R)
• M14: 11,786,667 km (0.096 R)
• M15: 12,892,943 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.9

Radius: 4

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.66 AU - 8.38 AU

Year: 13752 Days

Day: 21.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,883,269 km

• M1: 49,816 km (0.066 R)
• M2: 212,429 km (0.084 R)
• M3: 654,790 km (0.086 R)
• M4: 2,823,959 km (0.109 R)
• M5: 6,696,749 km (0.119 R)
• M6: 9,434,988 km (0.113 R)
• M7: 10,125,981 km (0.064 R)
• M8: 12,948,593 km (0.097 R)
• M9: 15,302,815 km (0.101 R)
• M10: 16,646,054 km (0.12 R)
• M11: 18,065,888 km (0.112 R)
• M12: 21,066,971 km (0.103 R)
• M13: 21,610,460 km (0.06 R)
• M14: 26,121,434 km (0.102 R)
• M15: 27,569,541 km (0.044 R)
• M16: 35,837,816 km (0.104 R)
• M17: 37,283,978 km (0.036 R)
• M18: 37,509,871 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.7

Radius: 4.4

Gravity: 24.05 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.13 AU - 9.15 AU

Year: 16936 Days

Day: 22.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,883,269 km

• M1: 55,202 km (0.092 R)
• M2: 233,373 km (0.052 R)
• M3: 773,271 km (0.087 R)
• M4: 1,483,861 km (0.094 R)
• M5: 1,960,630 km (0.055 R)
• M6: 2,185,326 km (0.076 R)
• M7: 2,427,076 km (0.071 R)
• M8: 5,434,292 km (0.099 R)
• M9: 6,588,889 km (0.116 R)
• M10: 7,180,099 km (0.104 R)
• M11: 12,720,905 km (0.052 R)
• M12: 15,518,834 km (0.111 R)
• M13: 16,637,228 km (0.069 R)
• M14: 18,783,808 km (0.085 R)
• M15: 20,226,081 km (0.101 R)
• M16: 20,400,512 km (0.104 R)
• M17: 21,740,610 km (0.095 R)
• M18: 22,107,573 km (0.087 R)
• M19: 31,032,881 km (0.088 R)
• M20: 33,284,180 km (0.102 R)
• M21: 38,375,145 km (0.118 R)
• M22: 43,234,981 km (0.117 R)
• M23: 45,587,109 km (0.083 R)
• M24: 50,865,819 km (0.107 R)
• M25: 52,821,961 km (0.055 R)
• M26: 53,318,775 km (0.096 R)
• M27: 56,537,374 km (0.079 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 16,646 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit