🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.44 AU - 0.66 AU

Year: 259 Days

Day: 39.4 Hours

Environment

Temp: -124 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.2

Radius: 10.4

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.33 AU - 1.37 AU

Year: 997 Days

Day: 6.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,819,607 km

• M1: 129,402 km (0.085 R)
• M2: 577,448 km (0.074 R)
• M3: 998,117 km (0.1 R)
• M4: 1,333,067 km (0.116 R)
• M5: 1,897,649 km (0.108 R)
• M6: 3,078,874 km (0.084 R)
• M7: 3,700,902 km (0.117 R)
• M8: 4,199,212 km (0.111 R)
• M9: 6,794,286 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.3

Radius: 12

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.35 AU - 1.41 AU

Year: 1031 Days

Day: 8.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 46,819,607 km

• M1: 158,873 km (0.089 R)
• M2: 953,387 km (0.045 R)
• M3: 1,593,816 km (0.102 R)
• M4: 3,924,251 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.6

Radius: 13.8

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.57 AU - 3.83 AU

Year: 4525 Days

Day: 10.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,819,607 km

• M1: 175,777 km (0.037 R)
• M2: 714,180 km (0.119 R)
• M3: 1,170,005 km (0.108 R)
• M4: 2,002,966 km (0.107 R)
• M5: 2,857,469 km (0.084 R)
• M6: 3,638,669 km (0.104 R)
• M7: 4,265,185 km (0.103 R)
• M8: 4,841,436 km (0.094 R)
• M9: 5,469,448 km (0.084 R)
• M10: 6,179,888 km (0.065 R)
• M11: 6,677,002 km (0.076 R)
• M12: 7,587,155 km (0.118 R)
• M13: 9,198,773 km (0.097 R)
• M14: 10,447,616 km (0.071 R)
• M15: 11,806,563 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637

Radius: 14.2

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.98 AU - 5.04 AU

Year: 7130 Days

Day: 9.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,819,607 km

• M1: 176,675 km (0.078 R)
• M2: 646,712 km (0.057 R)
• M3: 1,170,005 km (0.11 R)
• M4: 1,676,244 km (0.059 R)
• M5: 2,330,585 km (0.117 R)
• M6: 2,852,083 km (0.117 R)
• M7: 3,986,035 km (0.116 R)
• M8: 4,821,988 km (0.082 R)
• M9: 5,996,032 km (0.057 R)
• M10: 6,773,343 km (0.114 R)
• M11: 7,241,734 km (0.029 R)
• M12: 7,848,054 km (0.115 R)
• M13: 8,365,513 km (0.108 R)
• M14: 8,863,375 km (0.107 R)
• M15: 10,477,087 km (0.116 R)
• M16: 11,304,064 km (0.072 R)
• M17: 12,017,347 km (0.102 R)
• M18: 13,143,519 km (0.086 R)
• M19: 15,358,615 km (0.079 R)
• M20: 17,408,854 km (0.057 R)
• M21: 19,926,885 km (0.117 R)
• M22: 22,679,037 km (0.108 R)
• M23: 25,589,015 km (0.092 R)
• M24: 26,998,825 km (0.097 R)
• M25: 27,997,690 km (0.057 R)
• M26: 29,399,422 km (0.095 R)
• M27: 33,159,415 km (0.102 R)
• M28: 34,410,502 km (0.096 R)
• M29: 36,127,287 km (0.09 R)
• M30: 36,785,518 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.8

Radius: 5.9

Gravity: 15.33 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.62 AU - 8.94 AU

Year: 12489 Days

Day: 23.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,819,607 km

• M1: 73,602 km (0.042 R)
• M2: 457,919 km (0.118 R)
• M3: 670,946 km (0.096 R)
• M4: 861,983 km (0.118 R)
• M5: 1,700,629 km (0.031 R)
• M6: 2,301,264 km (0.093 R)
• M7: 2,598,365 km (0.045 R)
• M8: 2,898,459 km (0.079 R)
• M9: 4,022,388 km (0.096 R)
• M10: 4,605,071 km (0.118 R)
• M11: 5,275,868 km (0.084 R)
• M12: 5,582,544 km (0.088 R)
• M13: 7,678,111 km (0.106 R)
• M14: 8,711,832 km (0.057 R)
• M15: 9,044,089 km (0.08 R)
• M16: 9,784,299 km (0.07 R)
• M17: 13,908,114 km (0.07 R)
• M18: 14,362,144 km (0.082 R)
• M19: 14,559,613 km (0.082 R)
• M20: 16,926,999 km (0.12 R)
• M21: 17,744,701 km (0.057 R)
• M22: 18,201,723 km (0.066 R)
• M23: 28,032,247 km (0.071 R)
• M24: 30,133,499 km (0.102 R)
• M25: 30,893,157 km (0.119 R)
• M26: 33,248,576 km (0.055 R)
• M27: 36,571,593 km (0.12 R)
• M28: 37,560,285 km (0.09 R)
• M29: 42,095,494 km (0.081 R)
• M30: 43,181,126 km (0.108 R)
• M31: 43,868,977 km (0.069 R)
• M32: 48,150,468 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.3

Radius: 6.1

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.68 AU - 7.72 AU

Year: 13585 Days

Day: 21.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,819,607 km

• M1: 75,846 km (0.112 R)
• M2: 283,488 km (0.107 R)
• M3: 655,687 km (0.119 R)
• M4: 3,821,328 km (0.105 R)
• M5: 4,112,745 km (0.116 R)
• M6: 4,323,229 km (0.072 R)
• M7: 4,590,111 km (0.057 R)
• M8: 4,893,795 km (0.104 R)
• M9: 5,654,650 km (0.069 R)
• M10: 7,272,401 km (0.032 R)
• M11: 12,815,601 km (0.109 R)
• M12: 14,091,970 km (0.12 R)
• M13: 19,651,475 km (0.1 R)
• M14: 20,384,655 km (0.079 R)
• M15: 21,205,049 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.8

Radius: 5.9

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.98 AU - 10.42 AU

Year: 16316 Days

Day: 17.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 46,819,607 km

• M1: 73,453 km (0.066 R)
• M2: 279,598 km (0.103 R)
• M3: 493,972 km (0.077 R)
• M4: 848,519 km (0.054 R)
• M5: 1,322,894 km (0.088 R)
• M6: 1,738,028 km (0.106 R)
• M7: 1,992,943 km (0.101 R)
• M8: 2,741,082 km (0.045 R)
• M9: 2,976,250 km (0.097 R)
• M10: 3,687,288 km (0.109 R)
• M11: 4,564,381 km (0.025 R)
• M12: 4,957,823 km (0.032 R)
• M13: 8,238,804 km (0.084 R)
• M14: 8,776,159 km (0.049 R)
• M15: 9,288,831 km (0.097 R)
• M16: 9,625,277 km (0.077 R)
• M17: 10,120,146 km (0.07 R)
• M18: 10,579,861 km (0.092 R)
• M19: 11,000,081 km (0.115 R)
• M20: 11,431,372 km (0.08 R)
• M21: 11,651,131 km (0.062 R)
• M22: 12,851,953 km (0.057 R)
• M23: 14,967,267 km (0.04 R)
• M24: 15,496,843 km (0.081 R)
• M25: 19,480,635 km (0.117 R)
• M26: 20,351,743 km (0.107 R)
• M27: 21,664,913 km (0.034 R)
• M28: 24,641,163 km (0.1 R)
• M29: 25,286,079 km (0.107 R)
• M30: 27,978,392 km (0.094 R)
• M31: 28,781,434 km (0.05 R)
• M32: 39,648,223 km (0.062 R)
• M33: 43,267,444 km (0.044 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 18,340 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit