🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.4

Radius: 8.3

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.94 AU - 1.16 AU

Year: 717 Days

Day: 12.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,237,797 km

• M1: 103,223 km (0.094 R)
• M2: 389,553 km (0.065 R)
• M3: 975,079 km (0.115 R)
• M4: 1,338,901 km (0.092 R)
• M5: 1,783,955 km (0.054 R)
• M6: 2,055,026 km (0.03 R)
• M7: 2,433,060 km (0.119 R)
• M8: 2,868,240 km (0.098 R)
• M9: 3,379,565 km (0.096 R)
• M10: 3,663,951 km (0.042 R)
• M11: 3,936,369 km (0.113 R)
• M12: 4,251,571 km (0.116 R)
• M13: 4,836,050 km (0.118 R)
• M14: 5,543,200 km (0.071 R)
• M15: 6,221,775 km (0.114 R)
• M16: 6,954,506 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.7

Radius: 9.1

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.88 AU - 4.42 AU

Year: 5638 Days

Day: 9.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,237,797 km

• M1: 115,190 km (0.071 R)
• M2: 415,134 km (0.071 R)
• M3: 930,648 km (0.107 R)
• M4: 1,328,130 km (0.076 R)
• M5: 1,661,434 km (0.054 R)
• M6: 2,163,784 km (0.093 R)
• M7: 2,903,246 km (0.098 R)
• M8: 3,955,517 km (0.054 R)
• M9: 4,441,262 km (0.055 R)
• M10: 5,531,980 km (0.081 R)
• M11: 7,855,683 km (0.117 R)
• M12: 8,297,895 km (0.103 R)
• M13: 9,905,623 km (0.108 R)
• M14: 11,112,579 km (0.089 R)
• M15: 11,874,181 km (0.119 R)
• M16: 13,059,296 km (0.054 R)
• M17: 14,182,477 km (0.055 R)
• M18: 15,515,543 km (0.078 R)
• M19: 17,829,972 km (0.096 R)
• M20: 18,264,254 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.5

Radius: 9.9

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.75 AU - 6.23 AU

Year: 7433 Days

Day: 14.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,237,797 km

• M1: 123,867 km (0.11 R)
• M2: 437,574 km (0.119 R)
• M3: 1,042,847 km (0.095 R)
• M4: 1,574,817 km (0.086 R)
• M5: 2,229,756 km (0.082 R)
• M6: 6,699,890 km (0.07 R)
• M7: 7,793,899 km (0.059 R)
• M8: 8,321,232 km (0.119 R)
• M9: 14,433,352 km (0.113 R)
• M10: 15,480,088 km (0.044 R)
• M11: 16,842,027 km (0.044 R)
• M12: 20,939,214 km (0.103 R)
• M13: 22,521,511 km (0.117 R)
• M14: 23,759,433 km (0.084 R)
• M15: 27,745,319 km (0.047 R)
• M16: 31,644,138 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.5

Radius: 13.7

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.25 AU - 6.19 AU

Year: 7953 Days

Day: 14.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 61.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,237,797 km

• M1: 173,982 km (0.099 R)
• M2: 769,232 km (0.118 R)
• M3: 1,453,343 km (0.087 R)
• M4: 1,950,158 km (0.096 R)
• M5: 2,383,992 km (0.097 R)
• M6: 3,190,324 km (0.093 R)
• M7: 3,921,409 km (0.11 R)
• M8: 4,353,747 km (0.067 R)
• M9: 5,346,030 km (0.115 R)
• M10: 6,010,693 km (0.103 R)
• M11: 6,484,021 km (0.095 R)
• M12: 7,316,084 km (0.093 R)
• M13: 7,856,581 km (0.07 R)
• M14: 12,857,488 km (0.11 R)
• M15: 13,820,001 km (0.094 R)
• M16: 15,572,091 km (0.111 R)
• M17: 19,149,874 km (0.101 R)
• M18: 22,509,992 km (0.041 R)
• M19: 23,325,300 km (0.108 R)
• M20: 26,875,108 km (0.112 R)
• M21: 27,607,539 km (0.029 R)
• M22: 29,304,278 km (0.116 R)
• M23: 30,969,602 km (0.084 R)
• M24: 31,471,203 km (0.108 R)
• M25: 34,274,219 km (0.051 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652

Radius: 5.7

Gravity: 20.07 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.33 AU - 7.95 AU

Year: 14082 Days

Day: 19.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 59,237,797 km

• M1: 71,209 km (0.12 R)
• M2: 313,258 km (0.088 R)
• M3: 658,979 km (0.102 R)
• M4: 1,040,453 km (0.057 R)
• M5: 1,383,631 km (0.115 R)
• M6: 1,782,907 km (0.09 R)
• M7: 2,027,949 km (0.111 R)
• M8: 2,236,039 km (0.096 R)
• M9: 2,437,697 km (0.111 R)
• M10: 2,673,464 km (0.097 R)
• M11: 3,394,974 km (0.109 R)
• M12: 3,717,357 km (0.05 R)
• M13: 3,914,677 km (0.107 R)
• M14: 4,612,850 km (0.101 R)
• M15: 4,874,198 km (0.083 R)
• M16: 5,462,417 km (0.072 R)
• M17: 5,829,979 km (0.084 R)
• M18: 6,573,480 km (0.079 R)
• M19: 6,989,213 km (0.041 R)
• M20: 7,290,652 km (0.096 R)
• M21: 7,827,409 km (0.067 R)
• M22: 8,829,715 km (0.052 R)
• M23: 9,131,155 km (0.095 R)
• M24: 9,596,105 km (0.095 R)
• M25: 11,260,531 km (0.088 R)
• M26: 12,408,844 km (0.094 R)
• M27: 13,043,588 km (0.064 R)
• M28: 14,103,938 km (0.106 R)
• M29: 16,926,999 km (0.101 R)
• M30: 18,429,710 km (0.119 R)
• M31: 19,339,265 km (0.117 R)
• M32: 19,847,748 km (0.116 R)
• M33: 23,182,584 km (0.034 R)
• M34: 24,339,574 km (0.057 R)
• M35: 26,352,563 km (0.087 R)
• M36: 26,977,433 km (0.115 R)
• M37: 30,250,933 km (0.051 R)
• M38: 37,442,402 km (0.093 R)
• M39: 45,247,970 km (0.067 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: 429 - 10,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit