🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.3

Radius: 8.2

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.83 AU - 1.17 AU

Year: 703 Days

Day: 5.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,843,902 km

• M1: 102,026 km (0.097 R)
• M2: 375,939 km (0.104 R)
• M3: 861,983 km (0.072 R)
• M4: 1,438,982 km (0.062 R)
• M5: 2,399,400 km (0.089 R)
• M6: 3,067,355 km (0.088 R)
• M7: 3,577,633 km (0.092 R)
• M8: 4,464,449 km (0.104 R)
• M9: 5,396,444 km (0.094 R)
• M10: 5,760,416 km (0.115 R)
• M11: 6,059,163 km (0.1 R)
• M12: 6,473,698 km (0.108 R)
• M13: 7,664,198 km (0.109 R)
• M14: 8,050,609 km (0.109 R)
• M15: 8,628,955 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.4

Radius: 13.5

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.13 AU - 1.15 AU

Year: 856 Days

Day: 8.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 54.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,843,902 km

• M1: 167,849 km (0.108 R)
• M2: 741,108 km (0.041 R)
• M3: 1,192,445 km (0.095 R)
• M4: 1,644,679 km (0.051 R)
• M5: 2,657,008 km (0.119 R)
• M6: 3,258,541 km (0.069 R)
• M7: 3,700,004 km (0.118 R)
• M8: 4,500,054 km (0.106 R)
• M9: 5,033,520 km (0.075 R)
• M10: 6,646,035 km (0.093 R)
• M11: 7,582,368 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.8

Radius: 14.6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.03 AU - 3.05 AU

Year: 2846 Days

Day: 13.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,843,902 km

• M1: 181,612 km (0.027 R)
• M2: 785,389 km (0.116 R)
• M3: 1,284,896 km (0.058 R)
• M4: 1,943,576 km (0.034 R)
• M5: 3,064,213 km (0.066 R)
• M6: 4,322,780 km (0.045 R)
• M7: 4,988,341 km (0.116 R)
• M8: 6,331,730 km (0.068 R)
• M9: 6,810,443 km (0.082 R)
• M10: 7,589,549 km (0.118 R)
• M11: 8,973,179 km (0.092 R)
• M12: 10,211,700 km (0.075 R)
• M13: 12,583,874 km (0.117 R)
• M14: 14,039,760 km (0.077 R)
• M15: 15,104,149 km (0.074 R)
• M16: 16,535,801 km (0.114 R)
• M17: 17,176,379 km (0.112 R)
• M18: 17,667,658 km (0.057 R)
• M19: 18,735,637 km (0.093 R)
• M20: 20,205,885 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.8

Radius: 9.9

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.56 AU - 4.54 AU

Year: 5729 Days

Day: 10.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,843,902 km

• M1: 123,119 km (0.094 R)
• M2: 587,022 km (0.12 R)
• M3: 908,657 km (0.092 R)
• M4: 1,228,797 km (0.084 R)
• M5: 1,717,832 km (0.116 R)
• M6: 2,527,755 km (0.079 R)
• M7: 2,865,398 km (0.095 R)
• M8: 4,934,635 km (0.106 R)
• M9: 5,759,368 km (0.118 R)
• M10: 6,854,874 km (0.114 R)
• M11: 8,536,354 km (0.114 R)
• M12: 9,878,097 km (0.071 R)
• M13: 11,702,742 km (0.112 R)
• M14: 16,610,600 km (0.094 R)
• M15: 17,688,003 km (0.097 R)
• M16: 19,981,638 km (0.055 R)
• M17: 20,939,214 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.1

Radius: 9

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.7 AU - 5.2 AU

Year: 6599 Days

Day: 12.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 42,843,902 km

• M1: 113,096 km (0.106 R)
• M2: 789,278 km (0.096 R)
• M3: 1,114,654 km (0.095 R)
• M4: 1,762,113 km (0.103 R)
• M5: 2,123,841 km (0.054 R)
• M6: 2,500,080 km (0.099 R)
• M7: 2,901,451 km (0.116 R)
• M8: 3,219,945 km (0.112 R)
• M9: 4,194,126 km (0.083 R)
• M10: 5,122,680 km (0.056 R)
• M11: 6,477,139 km (0.066 R)
• M12: 8,329,011 km (0.039 R)
• M13: 10,054,473 km (0.089 R)
• M14: 11,855,332 km (0.094 R)
• M15: 12,569,961 km (0.077 R)
• M16: 12,937,822 km (0.065 R)
• M17: 13,585,282 km (0.062 R)
• M18: 14,028,840 km (0.119 R)
• M19: 14,367,828 km (0.042 R)
• M20: 15,961,345 km (0.111 R)
• M21: 16,769,173 km (0.12 R)
• M22: 18,198,132 km (0.114 R)
• M23: 18,873,716 km (0.117 R)
• M24: 19,918,358 km (0.076 R)
• M25: 20,854,542 km (0.109 R)
• M26: 22,505,204 km (0.092 R)
• M27: 23,679,398 km (0.049 R)
• M28: 24,647,745 km (0.099 R)
• M29: 27,359,057 km (0.076 R)
• M30: 28,877,475 km (0.062 R)
• M31: 30,924,722 km (0.071 R)
• M32: 31,403,286 km (0.071 R)
• M33: 32,276,937 km (0.047 R)
• M34: 32,670,380 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.9

Radius: 10.7

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.76 AU - 6 AU

Year: 7578 Days

Day: 11.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,843,902 km

• M1: 182,958 km (0.119 R)
• M2: 948,899 km (0.113 R)
• M3: 1,318,406 km (0.028 R)
• M4: 1,953,898 km (0.062 R)
• M5: 2,643,843 km (0.119 R)
• M6: 3,513,007 km (0.068 R)
• M7: 3,910,189 km (0.091 R)
• M8: 4,620,181 km (0.118 R)
• M9: 7,232,309 km (0.113 R)
• M10: 10,598,860 km (0.117 R)
• M11: 11,115,271 km (0.068 R)
• M12: 11,486,573 km (0.12 R)
• M13: 14,826,645 km (0.071 R)
• M14: 16,960,808 km (0.106 R)
• M15: 18,764,959 km (0.111 R)
• M16: 20,693,574 km (0.079 R)
• M17: 21,256,361 km (0.084 R)
• M18: 28,931,181 km (0.051 R)
• M19: 34,436,532 km (0.072 R)
• M20: 34,886,822 km (0.088 R)
• M21: 36,377,714 km (0.103 R)
• M22: 41,866,909 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188

Radius: 7.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.84 AU - 6.42 AU

Year: 10668 Days

Day: 16 Hours

Environment

Temp: -226 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,843,902 km

• M1: 98,286 km (0.047 R)
• M2: 353,799 km (0.105 R)
• M3: 772,523 km (0.096 R)
• M4: 1,036,414 km (0.11 R)
• M5: 1,395,299 km (0.117 R)
• M6: 1,674,898 km (0.08 R)
• M7: 2,483,474 km (0.08 R)
• M8: 4,127,106 km (0.105 R)
• M9: 4,424,806 km (0.067 R)
• M10: 5,823,097 km (0.091 R)
• M11: 6,523,365 km (0.106 R)
• M12: 6,825,552 km (0.103 R)
• M13: 7,714,313 km (0.099 R)
• M14: 8,090,702 km (0.062 R)
• M15: 11,124,846 km (0.093 R)
• M16: 13,722,762 km (0.081 R)
• M17: 15,544,715 km (0.117 R)
• M18: 16,084,913 km (0.119 R)
• M19: 18,041,653 km (0.059 R)
• M20: 20,293,400 km (0.11 R)
• M21: 20,722,147 km (0.106 R)
• M22: 21,820,196 km (0.051 R)
• M23: 23,657,108 km (0.066 R)
• M24: 28,875,231 km (0.073 R)
• M25: 30,615,952 km (0.096 R)
• M26: 31,085,540 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.7

Radius: 4.9

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6.97 AU - 7.35 AU

Year: 13467 Days

Day: 19.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,843,902 km

• M1: 95,743 km (0.061 R)
• M2: 285,283 km (0.091 R)
• M3: 493,523 km (0.101 R)
• M4: 747,840 km (0.059 R)
• M5: 1,913,506 km (0.084 R)
• M6: 2,474,050 km (0.092 R)
• M7: 3,433,720 km (0.075 R)
• M8: 4,808,225 km (0.061 R)
• M9: 6,682,387 km (0.104 R)
• M10: 7,649,089 km (0.099 R)
• M11: 8,107,457 km (0.116 R)
• M12: 11,200,393 km (0.087 R)
• M13: 14,304,249 km (0.119 R)
• M14: 16,455,317 km (0.07 R)
• M15: 17,870,962 km (0.095 R)
• M16: 22,447,011 km (0.078 R)
• M17: 23,147,428 km (0.117 R)
• M18: 27,130,172 km (0.073 R)
• M19: 27,481,278 km (0.104 R)
• M20: 28,192,766 km (0.028 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.3

Radius: 3.1

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.87 AU - 9.11 AU

Year: 14409 Days

Day: 24.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,843,902 km

• M1: 89,460 km (0.076 R)
• M2: 2,615,569 km (0.104 R)
• M3: 4,526,832 km (0.108 R)
• M4: 6,366,586 km (0.096 R)
• M5: 7,511,907 km (0.106 R)
• M6: 8,447,642 km (0.104 R)
• M7: 8,891,349 km (0.119 R)
• M8: 12,096,783 km (0.082 R)
• M9: 14,792,836 km (0.112 R)
• M10: 14,988,959 km (0.072 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.6

Radius: 6.3

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.76 AU - 8.46 AU

Year: 16235 Days

Day: 15 Hours

Environment

Temp: -242 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,843,902 km

• M1: 78,389 km (0.11 R)
• M2: 295,905 km (0.062 R)
• M3: 527,482 km (0.077 R)
• M4: 847,472 km (0.11 R)
• M5: 1,686,118 km (0.115 R)
• M6: 1,896,303 km (0.118 R)
• M7: 2,835,927 km (0.079 R)
• M8: 4,350,456 km (0.097 R)
• M9: 5,078,997 km (0.097 R)
• M10: 5,553,372 km (0.09 R)
• M11: 6,517,530 km (0.077 R)
• M12: 7,077,625 km (0.111 R)
• M13: 7,548,559 km (0.107 R)
• M14: 7,998,250 km (0.103 R)
• M15: 8,951,189 km (0.065 R)
• M16: 9,833,068 km (0.105 R)
• M17: 10,569,389 km (0.111 R)
• M18: 11,289,104 km (0.075 R)
• M19: 12,373,240 km (0.099 R)
• M20: 14,005,353 km (0.093 R)
• M21: 14,496,931 km (0.054 R)
• M22: 14,936,300 km (0.049 R)
• M23: 21,810,472 km (0.079 R)
• M24: 24,619,621 km (0.048 R)
• M25: 26,249,190 km (0.088 R)
• M26: 32,625,052 km (0.118 R)
• M27: 33,379,324 km (0.099 R)
• M28: 34,145,265 km (0.096 R)
• M29: 39,960,434 km (0.084 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 19,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit