🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.8

Radius: 13.9

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.49 AU - 0.57 AU

Year: 271 Days

Day: 5.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,352,046 km

• M1: 174,431 km (0.113 R)
• M2: 673,490 km (0.096 R)
• M3: 1,127,669 km (0.109 R)
• M4: 1,952,252 km (0.11 R)
• M5: 2,777,584 km (0.099 R)
• M6: 3,884,458 km (0.113 R)
• M7: 4,369,155 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.2

Radius: 11.3

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.77 AU - 0.81 AU

Year: 494 Days

Day: 11.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,352,046 km

• M1: 140,622 km (0.108 R)
• M2: 579,542 km (0.097 R)
• M3: 1,139,936 km (0.083 R)
• M4: 1,499,270 km (0.084 R)
• M5: 1,894,807 km (0.11 R)
• M6: 2,351,230 km (0.113 R)
• M7: 2,762,325 km (0.085 R)
• M8: 3,401,856 km (0.085 R)
• M9: 3,876,829 km (0.037 R)
• M10: 4,558,846 km (0.051 R)
• M11: 5,436,985 km (0.04 R)
• M12: 6,034,030 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.5

Radius: 9.9

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.82 AU - 0.88 AU

Year: 551 Days

Day: 11.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 27,352,046 km

• M1: 123,119 km (0.06 R)
• M2: 484,398 km (0.064 R)
• M3: 1,653,206 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.1

Radius: 13.1

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.12 AU - 1.2 AU

Year: 878 Days

Day: 5.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,352,046 km

• M1: 168,148 km (0.117 R)
• M2: 614,997 km (0.096 R)
• M3: 1,071,719 km (0.032 R)
• M4: 1,498,971 km (0.077 R)
• M5: 2,568,595 km (0.107 R)
• M6: 2,993,753 km (0.12 R)
• M7: 3,507,621 km (0.028 R)
• M8: 4,236,911 km (0.062 R)
• M9: 6,348,485 km (0.073 R)
• M10: 7,294,691 km (0.067 R)
• M11: 8,082,923 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.2

Radius: 13.7

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.34 AU - 3.08 AU

Year: 3136 Days

Day: 5 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,352,046 km

• M1: 347,516 km (0.12 R)
• M2: 803,789 km (0.102 R)
• M3: 1,766,302 km (0.091 R)
• M4: 3,996,058 km (0.073 R)
• M5: 4,763,047 km (0.11 R)
• M6: 5,815,767 km (0.07 R)
• M7: 6,539,372 km (0.11 R)
• M8: 9,638,740 km (0.119 R)
• M9: 10,295,924 km (0.065 R)
• M10: 10,835,673 km (0.09 R)
• M11: 12,895,935 km (0.115 R)
• M12: 13,737,572 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.6

Radius: 13

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.68 AU - 3.74 AU

Year: 5023 Days

Day: 11.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 27,352,046 km

• M1: 161,715 km (0.084 R)
• M2: 703,260 km (0.073 R)
• M3: 1,158,037 km (0.078 R)
• M4: 1,828,385 km (0.059 R)
• M5: 2,604,200 km (0.089 R)
• M6: 4,267,429 km (0.114 R)
• M7: 4,703,207 km (0.039 R)
• M8: 5,197,329 km (0.056 R)
• M9: 7,030,352 km (0.098 R)
• M10: 10,493,094 km (0.087 R)
• M11: 11,196,204 km (0.099 R)
• M12: 11,980,545 km (0.042 R)
• M13: 12,748,880 km (0.111 R)
• M14: 13,387,065 km (0.043 R)
• M15: 14,158,242 km (0.101 R)
• M16: 17,093,053 km (0.083 R)
• M17: 18,534,279 km (0.046 R)
• M18: 21,285,832 km (0.029 R)
• M19: 23,108,533 km (0.092 R)
• M20: 24,787,021 km (0.118 R)
• M21: 25,697,922 km (0.095 R)
• M22: 26,716,983 km (0.053 R)
• M23: 27,586,595 km (0.109 R)
• M24: 29,017,200 km (0.114 R)
• M25: 30,685,066 km (0.111 R)
• M26: 31,255,034 km (0.11 R)
• M27: 32,123,151 km (0.077 R)
• M28: 33,205,940 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.9

Radius: 13.3

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.63 AU - 5.09 AU

Year: 7531 Days

Day: 8.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,352,046 km

• M1: 165,904 km (0.098 R)
• M2: 762,650 km (0.103 R)
• M3: 1,447,060 km (0.069 R)
• M4: 2,576,973 km (0.11 R)
• M5: 3,000,335 km (0.109 R)
• M6: 3,447,184 km (0.068 R)
• M7: 4,201,905 km (0.095 R)
• M8: 4,648,006 km (0.093 R)
• M9: 7,861,518 km (0.079 R)
• M10: 9,262,951 km (0.117 R)
• M11: 10,419,043 km (0.103 R)
• M12: 11,347,447 km (0.093 R)
• M13: 11,831,995 km (0.068 R)
• M14: 12,727,637 km (0.115 R)
• M15: 13,910,208 km (0.111 R)
• M16: 17,610,811 km (0.105 R)
• M17: 19,687,379 km (0.087 R)
• M18: 21,186,499 km (0.103 R)
• M19: 28,242,283 km (0.115 R)
• M20: 30,455,284 km (0.048 R)
• M21: 34,434,139 km (0.036 R)
• M22: 35,680,887 km (0.1 R)
• M23: 41,602,270 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.9

Radius: 4.8

Gravity: 17.75 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.08 AU - 6.72 AU

Year: 10074 Days

Day: 15.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 27,352,046 km

• M1: 59,690 km (0.063 R)
• M2: 273,016 km (0.058 R)
• M3: 473,477 km (0.077 R)
• M4: 640,728 km (0.114 R)
• M5: 1,243,009 km (0.12 R)
• M6: 1,708,258 km (0.104 R)
• M7: 2,388,779 km (0.117 R)
• M8: 2,933,315 km (0.112 R)
• M9: 3,124,800 km (0.084 R)
• M10: 3,279,485 km (0.119 R)
• M11: 4,737,166 km (0.108 R)
• M12: 5,819,956 km (0.093 R)
• M13: 6,982,929 km (0.112 R)
• M14: 9,072,213 km (0.115 R)
• M15: 10,926,628 km (0.1 R)
• M16: 11,969,176 km (0.11 R)
• M17: 12,239,799 km (0.096 R)
• M18: 12,459,259 km (0.115 R)
• M19: 14,677,047 km (0.078 R)
• M20: 16,008,917 km (0.043 R)
• M21: 16,737,758 km (0.118 R)
• M22: 17,837,003 km (0.086 R)
• M23: 23,721,435 km (0.091 R)
• M24: 27,189,712 km (0.081 R)
• M25: 27,563,557 km (0.097 R)
• M26: 32,007,661 km (0.115 R)
• M27: 37,249,720 km (0.036 R)
• M28: 37,710,631 km (0.072 R)
• M29: 39,712,550 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235.1

Radius: 7.1

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.9 AU - 5.92 AU

Year: 10099 Days

Day: 23.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 27,352,046 km

• M1: 88,263 km (0.079 R)
• M2: 366,066 km (0.08 R)
• M3: 893,099 km (0.079 R)
• M4: 1,131,409 km (0.115 R)
• M5: 2,958,447 km (0.113 R)
• M6: 3,519,888 km (0.086 R)
• M7: 4,908,306 km (0.095 R)
• M8: 5,276,766 km (0.116 R)
• M9: 5,879,496 km (0.09 R)
• M10: 6,764,816 km (0.093 R)
• M11: 7,043,517 km (0.111 R)
• M12: 9,087,472 km (0.109 R)
• M13: 12,664,208 km (0.081 R)
• M14: 13,303,589 km (0.071 R)
• M15: 15,291,296 km (0.105 R)
• M16: 16,449,333 km (0.067 R)
• M17: 16,763,638 km (0.067 R)
• M18: 19,563,362 km (0.11 R)
• M19: 20,345,161 km (0.107 R)
• M20: 21,744,200 km (0.098 R)
• M21: 24,405,995 km (0.117 R)
• M22: 25,984,103 km (0.062 R)
• M23: 26,496,326 km (0.114 R)
• M24: 27,540,968 km (0.09 R)
• M25: 28,522,330 km (0.067 R)
• M26: 28,794,000 km (0.065 R)
• M27: 31,317,267 km (0.108 R)
• M28: 32,681,899 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.8

Radius: 6.5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.81 AU - 7.19 AU

Year: 11649 Days

Day: 24.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,352,046 km

• M1: 90,208 km (0.112 R)
• M2: 383,270 km (0.054 R)
• M3: 673,041 km (0.102 R)
• M4: 893,249 km (0.11 R)
• M5: 1,530,536 km (0.109 R)
• M6: 1,736,083 km (0.091 R)
• M7: 2,419,746 km (0.084 R)
• M8: 3,289,208 km (0.065 R)
• M9: 5,710,300 km (0.087 R)
• M10: 6,301,362 km (0.111 R)
• M11: 6,675,207 km (0.116 R)
• M12: 7,639,514 km (0.067 R)
• M13: 8,808,023 km (0.106 R)
• M14: 10,821,162 km (0.099 R)
• M15: 11,631,982 km (0.079 R)
• M16: 12,147,048 km (0.083 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: 399 - 18,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit