🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.48 AU - 0.76 AU

Year: 187 Days

Day: 24.5 Hours

Environment

Temp: 174 °C

Axial Tilt: 22.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 97,822,927 km

• M1: 49,218 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.69 AU - 0.79 AU

Year: 244 Days

Day: 41.6 Hours

Environment

Temp: 84 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.65 AU - 0.97 AU

Year: 279 Days

Day: 20.5 Hours

Environment

Temp: 35 °C

Axial Tilt: 3.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.73 AU - 0.95 AU

Year: 295 Days

Day: 27.7 Hours

Environment

Temp: 43 °C

Axial Tilt: 37.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.75 AU - 3.17 AU

Year: 1950 Days

Day: 32.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.34 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.7

Radius: 10.3

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.51 AU - 5.93 AU

Year: 5238 Days

Day: 8.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 97,822,927 km

• M1: 128,056 km (0.073 R)
• M2: 1,286,691 km (0.119 R)
• M3: 1,624,782 km (0.067 R)
• M4: 2,009,099 km (0.094 R)
• M5: 2,406,731 km (0.108 R)
• M6: 3,342,764 km (0.073 R)
• M7: 3,839,729 km (0.109 R)
• M8: 5,381,933 km (0.117 R)
• M9: 8,887,460 km (0.055 R)
• M10: 10,648,227 km (0.058 R)
• M11: 11,313,937 km (0.109 R)
• M12: 11,912,927 km (0.085 R)
• M13: 12,679,317 km (0.101 R)
• M14: 13,325,730 km (0.038 R)
• M15: 14,151,510 km (0.062 R)
• M16: 16,249,022 km (0.097 R)
• M17: 16,598,183 km (0.107 R)
• M18: 18,799,516 km (0.064 R)
• M19: 19,574,732 km (0.111 R)
• M20: 20,845,566 km (0.119 R)
• M21: 23,108,832 km (0.099 R)
• M22: 23,624,945 km (0.085 R)
• M23: 26,803,899 km (0.049 R)
• M24: 27,373,718 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.6

Radius: 11.3

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.98 AU - 8.62 AU

Year: 7552 Days

Day: 8.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 97,822,927 km

• M1: 141,669 km (0.115 R)
• M2: 498,311 km (0.114 R)
• M3: 856,897 km (0.117 R)
• M4: 1,233,734 km (0.114 R)
• M5: 1,697,038 km (0.055 R)
• M6: 2,100,055 km (0.117 R)
• M7: 2,731,807 km (0.116 R)
• M8: 3,830,154 km (0.116 R)
• M9: 4,971,586 km (0.088 R)
• M10: 5,408,861 km (0.064 R)
• M11: 5,839,852 km (0.08 R)
• M12: 9,055,458 km (0.03 R)
• M13: 9,532,077 km (0.037 R)
• M14: 10,394,958 km (0.059 R)
• M15: 11,309,300 km (0.045 R)
• M16: 13,914,098 km (0.09 R)
• M17: 14,726,414 km (0.104 R)
• M18: 15,878,916 km (0.098 R)
• M19: 17,221,856 km (0.07 R)
• M20: 20,205,436 km (0.086 R)
• M21: 22,012,429 km (0.089 R)
• M22: 22,717,035 km (0.117 R)
• M23: 23,275,484 km (0.117 R)
• M24: 24,419,758 km (0.073 R)
• M25: 27,175,650 km (0.116 R)
• M26: 29,186,545 km (0.072 R)
• M27: 30,709,900 km (0.076 R)
• M28: 31,098,854 km (0.09 R)
• M29: 32,789,011 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.6

Radius: 4.2

Gravity: 51.45 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 13.38 AU - 14.96 AU

Year: 20423 Days

Day: 20.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 97,822,927 km

• M1: 52,359 km (0.119 R)
• M2: 289,621 km (0.047 R)
• M3: 425,756 km (0.097 R)
• M4: 814,411 km (0.045 R)
• M5: 2,075,371 km (0.083 R)
• M6: 2,385,039 km (0.114 R)
• M7: 2,526,858 km (0.114 R)
• M8: 2,775,788 km (0.079 R)
• M9: 3,381,061 km (0.059 R)
• M10: 3,841,374 km (0.084 R)
• M11: 4,307,521 km (0.102 R)
• M12: 5,037,559 km (0.101 R)
• M13: 9,418,682 km (0.029 R)
• M14: 10,324,497 km (0.116 R)
• M15: 11,620,613 km (0.118 R)
• M16: 12,661,066 km (0.072 R)
• M17: 12,948,743 km (0.117 R)
• M18: 13,167,305 km (0.101 R)
• M19: 13,388,411 km (0.049 R)
• M20: 14,687,968 km (0.052 R)
• M21: 18,714,394 km (0.095 R)
• M22: 21,028,524 km (0.1 R)
• M23: 21,737,767 km (0.1 R)
• M24: 25,753,722 km (0.084 R)
• M25: 27,036,524 km (0.093 R)
• M26: 27,753,995 km (0.078 R)
• M27: 33,544,031 km (0.086 R)
• M28: 40,089,237 km (0.102 R)
• M29: 41,335,537 km (0.097 R)
• M30: 42,446,900 km (0.102 R)
• M31: 45,563,771 km (0.07 R)
• M32: 48,478,836 km (0.076 R)
• M33: 48,829,792 km (0.119 R)
• M34: 49,714,514 km (0.115 R)
• M35: 53,360,214 km (0.104 R)
• M36: 58,757,855 km (0.109 R)
• M37: 59,758,515 km (0.084 R)
• M38: 61,178,348 km (0.084 R)
• M39: 61,793,794 km (0.056 R)
• M40: 64,508,098 km (0.117 R)
• M41: 64,932,507 km (0.096 R)
• M42: 75,688,295 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.4

Radius: 3.6

Gravity: 62.38 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 16.76 AU - 17.24 AU

Year: 26838 Days

Day: 24.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 97,822,927 km

• M1: 53,107 km (0.117 R)
• M2: 213,775 km (0.091 R)
• M3: 394,938 km (0.069 R)
• M4: 587,022 km (0.107 R)
• M5: 1,362,986 km (0.084 R)
• M6: 1,763,310 km (0.111 R)
• M7: 1,885,083 km (0.069 R)
• M8: 3,071,843 km (0.071 R)
• M9: 3,655,274 km (0.099 R)
• M10: 4,799,399 km (0.08 R)
• M11: 5,159,930 km (0.061 R)
• M12: 5,367,871 km (0.12 R)
• M13: 7,185,934 km (0.069 R)
• M14: 7,982,692 km (0.069 R)
• M15: 8,545,479 km (0.057 R)
• M16: 11,478,046 km (0.11 R)
• M17: 12,787,626 km (0.101 R)
• M18: 15,101,755 km (0.105 R)
• M19: 16,135,776 km (0.109 R)
• M20: 17,216,172 km (0.117 R)
• M21: 23,687,925 km (0.093 R)
• M22: 29,717,019 km (0.096 R)
• M23: 31,472,550 km (0.111 R)
• M24: 33,726,690 km (0.075 R)
• M25: 36,845,208 km (0.119 R)
• M26: 46,267,330 km (0.099 R)
• M27: 62,237,202 km (0.074 R)
• M28: 65,548,551 km (0.096 R)
• M29: 66,450,925 km (0.097 R)
• M30: 70,143,599 km (0.118 R)
• M31: 80,740,514 km (0.062 R)
• M32: 83,348,902 km (0.111 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: 391 - 12,186 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit