🌌 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 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.54 AU - 0.7 AU

Year: 320 Days

Day: 30.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.7

Radius: 14.6

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.64 AU - 0.84 AU

Year: 418 Days

Day: 11.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 16,750,854 km

• M1: 186,549 km (0.093 R)
• M2: 302,786 km (0.119 R)
• M3: 421,417 km (0.042 R)
• M4: 524,490 km (0.112 R)
• M5: 676,482 km (0.091 R)
• M6: 777,610 km (0.063 R)
• M7: 942,317 km (0.051 R)
• M8: 1,058,106 km (0.096 R)
• M9: 1,235,678 km (0.045 R)
• M10: 1,372,560 km (0.078 R)
• M11: 1,471,295 km (0.096 R)
• M12: 1,576,911 km (0.056 R)
• M13: 1,703,770 km (0.084 R)
• M14: 1,834,219 km (0.116 R)
• M15: 2,041,413 km (0.117 R)
• M16: 2,135,510 km (0.097 R)
• M17: 2,307,697 km (0.094 R)
• M18: 2,426,777 km (0.046 R)
• M19: 2,521,622 km (0.079 R)
• M20: 2,660,748 km (0.081 R)
• M21: 2,997,792 km (0.098 R)
• M22: 3,122,706 km (0.112 R)
• M23: 3,272,753 km (0.065 R)
• M24: 3,395,722 km (0.069 R)
• M25: 3,538,289 km (0.104 R)
• M26: 3,670,683 km (0.111 R)
• M27: 3,866,207 km (0.101 R)
• M28: 3,959,108 km (0.094 R)
• M29: 4,052,906 km (0.084 R)
• M30: 4,274,460 km (0.053 R)
• M31: 4,415,680 km (0.096 R)
• M32: 4,526,084 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.5

Radius: 10

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.69 AU - 1.01 AU

Year: 514 Days

Day: 8.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 16,750,854 km

• M1: 124,615 km (0.109 R)
• M2: 207,193 km (0.09 R)
• M3: 342,579 km (0.051 R)
• M4: 412,591 km (0.113 R)
• M5: 500,106 km (0.078 R)
• M6: 782,247 km (0.117 R)
• M7: 900,280 km (0.114 R)
• M8: 994,227 km (0.066 R)
• M9: 1,060,649 km (0.119 R)
• M10: 1,165,667 km (0.12 R)
• M11: 1,324,689 km (0.096 R)
• M12: 1,392,607 km (0.098 R)
• M13: 1,455,886 km (0.116 R)
• M14: 1,591,721 km (0.079 R)
• M15: 1,688,661 km (0.051 R)
• M16: 1,768,995 km (0.11 R)
• M17: 1,901,539 km (0.043 R)
• M18: 1,985,313 km (0.096 R)
• M19: 2,070,285 km (0.042 R)
• M20: 2,257,731 km (0.116 R)
• M21: 2,395,062 km (0.113 R)
• M22: 2,478,687 km (0.094 R)
• M23: 2,591,933 km (0.059 R)
• M24: 2,750,506 km (0.107 R)
• M25: 2,845,800 km (0.095 R)
• M26: 2,912,371 km (0.073 R)
• M27: 3,115,226 km (0.068 R)
• M28: 3,206,930 km (0.114 R)
• M29: 3,291,901 km (0.11 R)
• M30: 3,487,575 km (0.096 R)
• M31: 3,614,883 km (0.087 R)
• M32: 3,727,530 km (0.047 R)
• M33: 3,956,415 km (0.088 R)
• M34: 4,215,369 km (0.099 R)
• M35: 4,385,312 km (0.106 R)
• M36: 4,635,888 km (0.056 R)
• M37: 4,705,751 km (0.065 R)
• M38: 4,846,672 km (0.084 R)
• M39: 5,042,795 km (0.114 R)
• M40: 5,114,901 km (0.046 R)
• M41: 5,205,258 km (0.098 R)
• M42: 5,351,116 km (0.098 R)
• M43: 5,452,244 km (0.077 R)
• M44: 5,516,870 km (0.047 R)
• M45: 5,881,739 km (0.115 R)
• M46: 6,100,751 km (0.087 R)
• M47: 6,235,389 km (0.107 R)
• M48: 6,615,517 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.5

Radius: 14.4

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.99 AU - 1.11 AU

Year: 706 Days

Day: 8.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 16,750,854 km

• M1: 194,477 km (0.08 R)
• M2: 299,794 km (0.109 R)
• M3: 395,686 km (0.049 R)
• M4: 500,554 km (0.12 R)
• M5: 613,950 km (0.074 R)
• M6: 714,479 km (0.108 R)
• M7: 806,632 km (0.099 R)
• M8: 903,721 km (0.107 R)
• M9: 1,088,474 km (0.111 R)
• M10: 1,180,028 km (0.048 R)
• M11: 1,402,929 km (0.113 R)
• M12: 1,548,787 km (0.093 R)
• M13: 1,713,494 km (0.103 R)
• M14: 1,870,422 km (0.111 R)
• M15: 1,989,652 km (0.03 R)
• M16: 2,140,596 km (0.069 R)
• M17: 2,302,910 km (0.111 R)
• M18: 2,438,894 km (0.118 R)
• M19: 2,735,098 km (0.115 R)
• M20: 2,847,296 km (0.098 R)
• M21: 2,969,219 km (0.091 R)
• M22: 3,405,895 km (0.12 R)
• M23: 3,509,566 km (0.098 R)
• M24: 3,605,608 km (0.109 R)
• M25: 3,702,547 km (0.108 R)
• M26: 3,845,114 km (0.035 R)
• M27: 4,154,333 km (0.087 R)
• M28: 4,293,309 km (0.107 R)
• M29: 4,424,507 km (0.081 R)
• M30: 4,519,052 km (0.082 R)
• M31: 4,758,559 km (0.044 R)
• M32: 4,884,670 km (0.117 R)
• M33: 5,002,104 km (0.085 R)
• M34: 5,130,459 km (0.092 R)
• M35: 5,289,930 km (0.064 R)
• M36: 5,481,565 km (0.09 R)
• M37: 5,603,787 km (0.114 R)
• M38: 5,768,195 km (0.105 R)
• M39: 5,955,042 km (0.107 R)
• M40: 6,302,857 km (0.093 R)
• M41: 6,398,899 km (0.097 R)
• M42: 6,495,390 km (0.07 R)
• M43: 6,657,404 km (0.053 R)
• M44: 6,809,845 km (0.086 R)
• M45: 7,151,526 km (0.085 R)
• M46: 7,341,366 km (0.114 R)
• M47: 7,680,504 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349

Radius: 15

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.46 AU - 2.92 AU

Year: 2894 Days

Day: 7.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 16,750,854 km

• M1: 186,997 km (0.091 R)
• M2: 299,645 km (0.116 R)
• M3: 436,078 km (0.056 R)
• M4: 663,915 km (0.119 R)
• M5: 1,139,188 km (0.083 R)
• M6: 1,357,900 km (0.115 R)
• M7: 1,483,263 km (0.107 R)
• M8: 1,590,973 km (0.118 R)
• M9: 1,701,526 km (0.095 R)
• M10: 1,954,347 km (0.099 R)
• M11: 2,357,214 km (0.094 R)
• M12: 2,549,297 km (0.091 R)
• M13: 2,827,101 km (0.104 R)
• M14: 2,949,322 km (0.083 R)
• M15: 3,045,513 km (0.096 R)
• M16: 3,241,337 km (0.111 R)
• M17: 3,383,904 km (0.036 R)
• M18: 3,749,521 km (0.117 R)
• M19: 4,112,745 km (0.086 R)
• M20: 4,551,066 km (0.058 R)
• M21: 4,711,286 km (0.116 R)
• M22: 4,971,736 km (0.107 R)
• M23: 5,421,876 km (0.047 R)
• M24: 5,695,041 km (0.091 R)
• M25: 5,955,342 km (0.099 R)
• M26: 6,060,509 km (0.067 R)
• M27: 6,166,275 km (0.086 R)
• M28: 6,451,558 km (0.084 R)
• M29: 6,814,333 km (0.073 R)
• M30: 6,924,586 km (0.108 R)
• M31: 7,035,289 km (0.107 R)
• M32: 7,731,517 km (0.089 R)
• M33: 7,846,408 km (0.082 R)
• M34: 7,981,346 km (0.09 R)
• M35: 8,410,392 km (0.075 R)
• M36: 8,927,253 km (0.111 R)
• M37: 9,352,260 km (0.117 R)
• M38: 10,454,348 km (0.072 R)
• M39: 10,560,413 km (0.114 R)
• M40: 11,117,964 km (0.036 R)
• M41: 11,400,405 km (0.078 R)
• M42: 11,619,267 km (0.104 R)
• M43: 11,839,624 km (0.081 R)
• M44: 12,128,049 km (0.098 R)
• M45: 13,007,385 km (0.105 R)
• M46: 13,167,305 km (0.109 R)
• M47: 13,489,390 km (0.09 R)
• M48: 13,605,029 km (0.079 R)
• M49: 14,000,715 km (0.084 R)
• M50: 15,815,786 km (0.111 R)
• M51: 15,913,324 km (0.098 R)
• M52: 16,330,253 km (0.079 R)
• M53: 16,552,406 km (0.058 R)
• M54: 16,651,589 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 13,968 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit