🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846

Radius: 13.8

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.49 AU - 0.73 AU

Year: 335 Days

Day: 12.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,329,667 km

• M1: 173,833 km (0.117 R)
• M2: 624,272 km (0.066 R)
• M3: 1,266,496 km (0.058 R)
• M4: 2,038,271 km (0.077 R)
• M5: 2,523,417 km (0.077 R)
• M6: 3,612,489 km (0.036 R)
• M7: 4,317,993 km (0.115 R)
• M8: 4,935,383 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.5

Radius: 13.2

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.17 AU - 1.35 AU

Year: 994 Days

Day: 11 Hours

Environment

Temp: -178 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,329,667 km

• M1: 175,329 km (0.114 R)
• M2: 1,042,248 km (0.103 R)
• M3: 1,469,201 km (0.038 R)
• M4: 2,149,572 km (0.078 R)
• M5: 2,636,363 km (0.05 R)
• M6: 3,469,474 km (0.066 R)
• M7: 4,418,822 km (0.086 R)
• M8: 5,040,401 km (0.113 R)
• M9: 6,125,883 km (0.069 R)
• M10: 6,972,009 km (0.079 R)
• M11: 7,435,912 km (0.042 R)
• M12: 9,561,847 km (0.116 R)
• M13: 10,166,671 km (0.12 R)
• M14: 10,990,956 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.1

Radius: 9

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.06 AU - 4.38 AU

Year: 5043 Days

Day: 12.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,329,667 km

• M1: 111,899 km (0.078 R)
• M2: 627,264 km (0.037 R)
• M3: 955,482 km (0.099 R)
• M4: 1,290,282 km (0.105 R)
• M5: 1,743,114 km (0.11 R)
• M6: 2,157,351 km (0.096 R)
• M7: 3,246,274 km (0.106 R)
• M8: 3,877,278 km (0.039 R)
• M9: 6,591,881 km (0.113 R)
• M10: 7,207,625 km (0.113 R)
• M11: 8,632,844 km (0.041 R)
• M12: 9,244,101 km (0.057 R)
• M13: 9,539,108 km (0.102 R)
• M14: 12,536,302 km (0.074 R)
• M15: 13,588,723 km (0.105 R)
• M16: 15,452,263 km (0.099 R)
• M17: 15,988,721 km (0.116 R)
• M18: 16,661,164 km (0.09 R)
• M19: 17,737,371 km (0.097 R)
• M20: 18,325,590 km (0.108 R)
• M21: 19,334,777 km (0.065 R)
• M22: 20,027,864 km (0.069 R)
• M23: 20,309,557 km (0.099 R)
• M24: 22,508,496 km (0.097 R)
• M25: 24,298,434 km (0.045 R)
• M26: 25,269,025 km (0.095 R)
• M27: 27,720,934 km (0.117 R)
• M28: 28,780,536 km (0.087 R)
• M29: 30,327,378 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.3

Radius: 10.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.53 AU - 4.21 AU

Year: 5351 Days

Day: 5.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,329,667 km

• M1: 133,142 km (0.028 R)
• M2: 546,930 km (0.11 R)
• M3: 1,435,691 km (0.096 R)
• M4: 2,377,858 km (0.108 R)
• M5: 3,483,835 km (0.108 R)
• M6: 4,221,203 km (0.074 R)
• M7: 4,553,909 km (0.069 R)
• M8: 5,245,350 km (0.119 R)
• M9: 5,602,440 km (0.063 R)
• M10: 5,946,665 km (0.115 R)
• M11: 6,520,522 km (0.09 R)
• M12: 7,297,833 km (0.115 R)
• M13: 8,615,940 km (0.074 R)
• M14: 9,471,490 km (0.068 R)
• M15: 12,866,015 km (0.075 R)
• M16: 13,315,258 km (0.06 R)
• M17: 16,760,048 km (0.083 R)
• M18: 19,753,800 km (0.072 R)
• M19: 24,504,131 km (0.093 R)
• M20: 25,272,915 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.2

Radius: 4.2

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.92 AU - 7.36 AU

Year: 12027 Days

Day: 15.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,329,667 km

• M1: 59,241 km (0.108 R)
• M2: 374,294 km (0.073 R)
• M3: 578,944 km (0.036 R)
• M4: 818,001 km (0.083 R)
• M5: 986,149 km (0.114 R)
• M6: 1,836,613 km (0.094 R)
• M7: 4,528,178 km (0.032 R)
• M8: 5,296,961 km (0.08 R)
• M9: 6,059,911 km (0.106 R)
• M10: 7,154,369 km (0.108 R)
• M11: 7,421,999 km (0.108 R)
• M12: 7,626,948 km (0.097 R)
• M13: 11,624,951 km (0.088 R)
• M14: 12,468,085 km (0.105 R)
• M15: 14,486,011 km (0.112 R)
• M16: 15,295,634 km (0.116 R)
• M17: 17,122,972 km (0.108 R)
• M18: 24,583,867 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.3

Radius: 3.6

Gravity: 24.64 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.67 AU - 9.41 AU

Year: 16025 Days

Day: 17.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,329,667 km

• M1: 55,202 km (0.07 R)
• M2: 439,519 km (0.09 R)
• M3: 1,758,224 km (0.113 R)
• M4: 2,096,764 km (0.093 R)
• M5: 2,281,517 km (0.088 R)
• M6: 2,620,356 km (0.064 R)
• M7: 3,372,834 km (0.081 R)
• M8: 4,230,329 km (0.095 R)
• M9: 4,405,956 km (0.108 R)
• M10: 6,477,438 km (0.106 R)
• M11: 10,382,242 km (0.069 R)
• M12: 14,998,383 km (0.11 R)
• M13: 23,714,254 km (0.065 R)
• M14: 26,471,942 km (0.045 R)
• M15: 32,274,843 km (0.112 R)
• M16: 34,578,949 km (0.103 R)
• M17: 40,419,998 km (0.111 R)
• M18: 43,779,218 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.8

Radius: 8

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.95 AU - 9.51 AU

Year: 16596 Days

Day: 21.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,329,667 km

• M1: 100,380 km (0.102 R)
• M2: 584,778 km (0.096 R)
• M3: 874,400 km (0.046 R)
• M4: 1,149,211 km (0.077 R)
• M5: 1,535,024 km (0.1 R)
• M6: 2,455,499 km (0.104 R)
• M7: 2,705,029 km (0.116 R)
• M8: 3,144,248 km (0.099 R)
• M9: 4,192,032 km (0.103 R)
• M10: 4,869,710 km (0.092 R)
• M11: 5,141,978 km (0.118 R)
• M12: 5,520,760 km (0.038 R)
• M13: 5,850,623 km (0.117 R)
• M14: 6,334,423 km (0.084 R)
• M15: 7,109,938 km (0.106 R)
• M16: 7,500,688 km (0.117 R)
• M17: 10,203,024 km (0.107 R)
• M18: 11,319,024 km (0.098 R)
• M19: 12,070,304 km (0.108 R)
• M20: 18,143,080 km (0.103 R)
• M21: 18,505,855 km (0.071 R)
• M22: 20,627,602 km (0.094 R)
• M23: 22,990,949 km (0.118 R)
• M24: 23,330,536 km (0.079 R)
• M25: 25,438,520 km (0.116 R)
• M26: 28,442,445 km (0.067 R)
• M27: 31,884,542 km (0.03 R)
• M28: 35,481,773 km (0.084 R)
• M29: 42,316,450 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.2

Radius: 7.6

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.62 AU - 10.2 AU

Year: 18695 Days

Day: 24 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,329,667 km

• M1: 94,546 km (0.105 R)
• M2: 548,426 km (0.115 R)
• M3: 1,359,994 km (0.053 R)
• M4: 2,002,218 km (0.108 R)
• M5: 2,879,460 km (0.071 R)
• M6: 3,179,404 km (0.092 R)
• M7: 8,448,540 km (0.058 R)
• M8: 10,506,109 km (0.114 R)
• M9: 15,355,623 km (0.069 R)
• M10: 30,551,027 km (0.106 R)
• M11: 32,370,735 km (0.062 R)
• M12: 32,618,619 km (0.081 R)
• M13: 33,877,485 km (0.115 R)
• M14: 35,958,541 km (0.083 R)
• M15: 48,296,625 km (0.082 R)
• M16: 54,525,282 km (0.106 R)
• M17: 55,405,965 km (0.117 R)
• M18: 60,890,672 km (0.11 R)
• M19: 61,268,706 km (0.063 R)
• M20: 63,375,642 km (0.068 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 11,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit