🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.06 AU - 1.36 AU

Year: 512 Days

Day: 47.3 Hours

Environment

Temp: -39 °C

Axial Tilt: 177.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.33 AU - 3.95 AU

Year: 2674 Days

Day: 24.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.01 AU - 4.85 AU

Year: 3000 Days

Day: 33 Hours

Environment

Temp: -137 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,485,505 km

• M1: 1,489,995 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.4

Radius: 13.6

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.54 AU - 5.26 AU

Year: 3553 Days

Day: 6.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,485,505 km

• M1: 169,195 km (0.052 R)
• M2: 686,654 km (0.115 R)
• M3: 1,137,393 km (0.105 R)
• M4: 1,878,201 km (0.116 R)
• M5: 3,420,555 km (0.043 R)
• M6: 4,347,913 km (0.06 R)
• M7: 6,392,467 km (0.075 R)
• M8: 7,098,868 km (0.104 R)
• M9: 7,712,518 km (0.08 R)
• M10: 8,300,737 km (0.091 R)
• M11: 9,600,743 km (0.096 R)
• M12: 10,996,042 km (0.11 R)
• M13: 13,841,992 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.5

Radius: 10.5

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.56 AU - 5.16 AU

Year: 4125 Days

Day: 6.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,485,505 km

• M1: 130,599 km (0.055 R)
• M2: 460,013 km (0.107 R)
• M3: 897,288 km (0.106 R)
• M4: 1,862,493 km (0.117 R)
• M5: 2,289,446 km (0.119 R)
• M6: 2,671,369 km (0.102 R)
• M7: 3,010,807 km (0.059 R)
• M8: 3,817,289 km (0.095 R)
• M9: 4,358,085 km (0.069 R)
• M10: 4,925,510 km (0.116 R)
• M11: 6,208,461 km (0.115 R)
• M12: 6,987,717 km (0.045 R)
• M13: 8,810,716 km (0.11 R)
• M14: 9,681,675 km (0.101 R)
• M15: 10,371,920 km (0.107 R)
• M16: 13,418,181 km (0.039 R)
• M17: 14,130,716 km (0.064 R)
• M18: 14,818,267 km (0.111 R)
• M19: 16,101,518 km (0.114 R)
• M20: 16,906,055 km (0.096 R)
• M21: 17,681,122 km (0.045 R)
• M22: 18,595,614 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.5

Radius: 12.4

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.92 AU - 11.3 AU

Year: 10586 Days

Day: 5.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,485,505 km

• M1: 155,881 km (0.059 R)
• M2: 1,144,424 km (0.075 R)
• M3: 1,564,046 km (0.07 R)
• M4: 2,088,237 km (0.093 R)
• M5: 3,014,995 km (0.081 R)
• M6: 3,702,846 km (0.095 R)
• M7: 4,462,953 km (0.09 R)
• M8: 4,864,624 km (0.074 R)
• M9: 5,958,334 km (0.065 R)
• M10: 6,524,412 km (0.098 R)
• M11: 7,003,125 km (0.052 R)
• M12: 7,505,026 km (0.055 R)
• M13: 7,941,553 km (0.07 R)
• M14: 8,770,325 km (0.107 R)
• M15: 10,385,234 km (0.091 R)
• M16: 11,836,782 km (0.103 R)
• M17: 12,856,441 km (0.082 R)
• M18: 13,419,527 km (0.114 R)
• M19: 14,195,791 km (0.115 R)
• M20: 14,729,855 km (0.041 R)
• M21: 16,926,849 km (0.096 R)
• M22: 19,825,458 km (0.055 R)
• M23: 25,988,591 km (0.078 R)
• M24: 29,287,224 km (0.073 R)
• M25: 29,826,823 km (0.037 R)
• M26: 30,372,856 km (0.068 R)
• M27: 31,597,763 km (0.054 R)
• M28: 38,477,919 km (0.068 R)
• M29: 40,574,982 km (0.076 R)
• M30: 48,065,646 km (0.061 R)
• M31: 50,341,927 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.3

Radius: 4.1

Gravity: 20.96 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 12.02 AU - 12.36 AU

Year: 16386 Days

Day: 17.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,485,505 km

• M1: 51,312 km (0.079 R)
• M2: 197,320 km (0.034 R)
• M3: 477,666 km (0.03 R)
• M4: 658,380 km (0.104 R)
• M5: 864,376 km (0.082 R)
• M6: 1,077,404 km (0.059 R)
• M7: 1,519,765 km (0.085 R)
• M8: 2,497,686 km (0.064 R)
• M9: 3,362,511 km (0.112 R)
• M10: 3,619,820 km (0.086 R)
• M11: 3,753,261 km (0.113 R)
• M12: 4,144,609 km (0.103 R)
• M13: 4,531,918 km (0.075 R)
• M14: 4,910,401 km (0.099 R)
• M15: 6,097,160 km (0.109 R)
• M16: 7,855,983 km (0.069 R)
• M17: 8,262,739 km (0.115 R)
• M18: 8,730,981 km (0.056 R)
• M19: 9,365,874 km (0.118 R)
• M20: 10,241,769 km (0.092 R)
• M21: 10,892,071 km (0.07 R)
• M22: 13,576,456 km (0.047 R)
• M23: 18,896,156 km (0.102 R)
• M24: 19,461,486 km (0.053 R)
• M25: 20,288,463 km (0.101 R)
• M26: 20,795,899 km (0.063 R)
• M27: 23,831,539 km (0.066 R)
• M28: 24,491,266 km (0.078 R)
• M29: 29,669,147 km (0.107 R)
• M30: 32,569,401 km (0.033 R)
• M31: 33,733,422 km (0.085 R)
• M32: 35,898,103 km (0.091 R)
• M33: 36,267,610 km (0.083 R)
• M34: 38,667,310 km (0.087 R)
• M35: 40,368,836 km (0.108 R)
• M36: 40,634,970 km (0.115 R)
• M37: 43,082,990 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.7

Radius: 3.9

Gravity: 41.07 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 13.66 AU - 15.58 AU

Year: 21522 Days

Day: 15.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,485,505 km

• M1: 48,470 km (0.119 R)
• M2: 185,651 km (0.106 R)
• M3: 325,824 km (0.075 R)
• M4: 463,454 km (0.029 R)
• M5: 765,642 km (0.09 R)
• M6: 1,201,271 km (0.105 R)
• M7: 1,555,818 km (0.077 R)
• M8: 1,748,350 km (0.084 R)
• M9: 1,996,384 km (0.091 R)
• M10: 2,538,676 km (0.106 R)
• M11: 3,012,303 km (0.109 R)
• M12: 3,483,686 km (0.11 R)
• M13: 3,691,627 km (0.113 R)
• M14: 4,034,804 km (0.064 R)
• M15: 4,399,075 km (0.113 R)
• M16: 7,246,970 km (0.107 R)
• M17: 8,719,910 km (0.085 R)
• M18: 9,440,673 km (0.084 R)
• M19: 9,786,394 km (0.114 R)
• M20: 11,317,977 km (0.115 R)
• M21: 12,446,393 km (0.11 R)
• M22: 18,237,327 km (0.061 R)
• M23: 21,709,643 km (0.098 R)
• M24: 24,076,281 km (0.066 R)
• M25: 24,938,264 km (0.088 R)
• M26: 26,837,708 km (0.113 R)
• M27: 27,414,259 km (0.053 R)
• M28: 29,193,276 km (0.093 R)
• M29: 35,954,801 km (0.12 R)
• M30: 50,515,311 km (0.054 R)
• M31: 53,542,574 km (0.089 R)
• M32: 57,066,501 km (0.079 R)
• M33: 58,595,392 km (0.112 R)
• M34: 60,741,822 km (0.082 R)
• M35: 67,072,056 km (0.088 R)
• M36: 70,942,003 km (0.112 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: 487 - 18,273 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit