🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.6

Radius: 14.1

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.69 AU - 0.77 AU

Year: 403 Days

Day: 12.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,135,092 km

• M1: 175,329 km (0.112 R)
• M2: 681,867 km (0.085 R)
• M3: 1,296,864 km (0.087 R)
• M4: 1,826,889 km (0.086 R)
• M5: 2,387,283 km (0.069 R)
• M6: 2,879,609 km (0.111 R)
• M7: 3,530,959 km (0.053 R)
• M8: 3,985,138 km (0.111 R)
• M9: 4,532,965 km (0.108 R)
• M10: 5,042,495 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.6

Radius: 8.8

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.88 AU - 1.02 AU

Year: 598 Days

Day: 11.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,135,092 km

• M1: 109,506 km (0.066 R)
• M2: 465,997 km (0.113 R)
• M3: 751,580 km (0.055 R)
• M4: 1,070,522 km (0.092 R)
• M5: 1,592,918 km (0.084 R)
• M6: 1,975,290 km (0.069 R)
• M7: 2,316,673 km (0.106 R)
• M8: 3,094,731 km (0.058 R)
• M9: 3,411,579 km (0.118 R)
• M10: 3,834,642 km (0.031 R)
• M11: 4,463,552 km (0.12 R)
• M12: 4,902,921 km (0.113 R)
• M13: 6,336,367 km (0.042 R)
• M14: 6,703,331 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.7

Radius: 8.8

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.09 AU - 1.29 AU

Year: 838 Days

Day: 14.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,135,092 km

• M1: 109,506 km (0.072 R)
• M2: 384,766 km (0.053 R)
• M3: 811,568 km (0.093 R)
• M4: 1,104,331 km (0.075 R)
• M5: 1,383,930 km (0.114 R)
• M6: 1,942,080 km (0.088 R)
• M7: 2,377,709 km (0.092 R)
• M8: 3,220,992 km (0.055 R)
• M9: 3,958,958 km (0.071 R)
• M10: 5,081,540 km (0.116 R)
• M11: 6,208,012 km (0.059 R)
• M12: 6,761,525 km (0.058 R)
• M13: 7,275,393 km (0.062 R)
• M14: 7,739,895 km (0.114 R)
• M15: 8,198,113 km (0.092 R)
• M16: 8,593,650 km (0.098 R)
• M17: 8,919,324 km (0.111 R)
• M18: 9,566,335 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.9

Radius: 14.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.04 AU - 1.6 AU

Year: 979 Days

Day: 12.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,135,092 km

• M1: 179,368 km (0.053 R)
• M2: 689,945 km (0.117 R)
• M3: 1,144,424 km (0.063 R)
• M4: 1,884,484 km (0.09 R)
• M5: 2,410,470 km (0.097 R)
• M6: 3,689,383 km (0.098 R)
• M7: 5,342,738 km (0.116 R)
• M8: 6,105,687 km (0.094 R)
• M9: 7,850,148 km (0.084 R)
• M10: 9,175,735 km (0.079 R)
• M11: 9,757,820 km (0.056 R)
• M12: 10,333,623 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.1

Radius: 9.8

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.38 AU - 1.4 AU

Year: 1058 Days

Day: 5.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 35,135,092 km

• M1: 121,922 km (0.106 R)
• M2: 647,460 km (0.038 R)
• M3: 2,132,966 km (0.117 R)
• M4: 3,364,007 km (0.102 R)
• M5: 3,895,080 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.9

Radius: 11.2

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.19 AU - 1.87 AU

Year: 1222 Days

Day: 10.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,135,092 km

• M1: 139,276 km (0.086 R)
• M2: 579,692 km (0.06 R)
• M3: 1,005,298 km (0.028 R)
• M4: 1,483,412 km (0.082 R)
• M5: 1,958,685 km (0.07 R)
• M6: 2,360,954 km (0.084 R)
• M7: 3,041,923 km (0.101 R)
• M8: 3,451,372 km (0.04 R)
• M9: 3,817,887 km (0.086 R)
• M10: 4,813,162 km (0.103 R)
• M11: 7,946,489 km (0.092 R)
• M12: 10,508,502 km (0.105 R)
• M13: 10,859,459 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.8

Radius: 8.9

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3 AU - 3.48 AU

Year: 3766 Days

Day: 11.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,135,092 km

• M1: 110,702 km (0.051 R)
• M2: 404,662 km (0.103 R)
• M3: 708,496 km (0.066 R)
• M4: 1,062,893 km (0.115 R)
• M5: 1,581,549 km (0.119 R)
• M6: 2,142,840 km (0.06 R)
• M7: 2,494,395 km (0.091 R)
• M8: 3,334,237 km (0.105 R)
• M9: 4,211,180 km (0.034 R)
• M10: 5,562,797 km (0.068 R)
• M11: 7,216,302 km (0.055 R)
• M12: 8,411,888 km (0.105 R)
• M13: 8,940,717 km (0.087 R)
• M14: 9,491,686 km (0.11 R)
• M15: 11,507,966 km (0.088 R)
• M16: 11,924,297 km (0.111 R)
• M17: 14,158,840 km (0.078 R)
• M18: 14,529,843 km (0.083 R)
• M19: 15,794,992 km (0.109 R)
• M20: 16,717,412 km (0.116 R)
• M21: 17,012,868 km (0.037 R)
• M22: 19,115,616 km (0.112 R)
• M23: 19,503,972 km (0.083 R)
• M24: 21,524,890 km (0.102 R)
• M25: 21,945,110 km (0.059 R)
• M26: 25,820,742 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.6

Radius: 11.6

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.48 AU - 4.12 AU

Year: 3871 Days

Day: 5.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,135,092 km

• M1: 144,512 km (0.103 R)
• M2: 1,414,298 km (0.088 R)
• M3: 1,955,693 km (0.027 R)
• M4: 3,326,757 km (0.078 R)
• M5: 3,799,487 km (0.115 R)
• M6: 4,339,385 km (0.059 R)
• M7: 4,807,627 km (0.105 R)
• M8: 5,335,558 km (0.05 R)
• M9: 6,099,554 km (0.102 R)
• M10: 6,997,440 km (0.068 R)
• M11: 8,796,205 km (0.117 R)
• M12: 9,862,389 km (0.114 R)
• M13: 14,584,147 km (0.03 R)
• M14: 16,744,190 km (0.079 R)
• M15: 22,922,732 km (0.091 R)
• M16: 24,347,502 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.6

Radius: 13

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.57 AU - 5.45 AU

Year: 7241 Days

Day: 5.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,135,092 km

• M1: 161,715 km (0.112 R)
• M2: 905,067 km (0.116 R)
• M3: 3,477,851 km (0.101 R)
• M4: 4,828,271 km (0.066 R)
• M5: 5,791,981 km (0.116 R)
• M6: 8,022,186 km (0.105 R)
• M7: 10,586,443 km (0.075 R)
• M8: 11,452,166 km (0.081 R)
• M9: 14,391,315 km (0.084 R)
• M10: 15,333,034 km (0.1 R)
• M11: 16,822,281 km (0.11 R)
• M12: 20,595,887 km (0.081 R)
• M13: 28,292,847 km (0.107 R)
• M14: 29,302,782 km (0.116 R)
• M15: 29,769,827 km (0.032 R)
• M16: 30,910,959 km (0.116 R)
• M17: 34,509,386 km (0.046 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 14,600 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit