🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503

Radius: 8.9

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.4 AU - 0.64 AU

Year: 254 Days

Day: 8.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,624,559 km

• M1: 111,899 km (0.065 R)
• M2: 411,544 km (0.062 R)
• M3: 744,549 km (0.114 R)
• M4: 1,098,198 km (0.086 R)
• M5: 1,641,687 km (0.037 R)
• M6: 1,996,832 km (0.048 R)
• M7: 2,300,366 km (0.12 R)
• M8: 3,077,228 km (0.11 R)
• M9: 3,729,026 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.8

Radius: 12.3

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.17 AU - 1.21 AU

Year: 880 Days

Day: 7.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,624,559 km

• M1: 153,039 km (0.107 R)
• M2: 780,751 km (0.103 R)
• M3: 1,278,613 km (0.111 R)
• M4: 1,862,493 km (0.119 R)
• M5: 2,277,328 km (0.085 R)
• M6: 3,724,688 km (0.048 R)
• M7: 4,727,143 km (0.079 R)
• M8: 5,410,357 km (0.099 R)
• M9: 6,180,038 km (0.116 R)
• M10: 7,557,236 km (0.057 R)
• M11: 8,492,522 km (0.059 R)
• M12: 8,876,539 km (0.04 R)
• M13: 9,857,752 km (0.11 R)
• M14: 10,405,729 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.8

Radius: 9.8

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.39 AU - 1.53 AU

Year: 1197 Days

Day: 10.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,624,559 km

• M1: 121,922 km (0.036 R)
• M2: 510,428 km (0.079 R)
• M3: 826,379 km (0.112 R)
• M4: 1,256,622 km (0.067 R)
• M5: 1,681,630 km (0.102 R)
• M6: 2,517,882 km (0.11 R)
• M7: 2,988,068 km (0.053 R)
• M8: 3,423,846 km (0.09 R)
• M9: 3,851,996 km (0.053 R)
• M10: 4,351,353 km (0.075 R)
• M11: 5,030,976 km (0.102 R)
• M12: 5,438,182 km (0.102 R)
• M13: 6,135,457 km (0.095 R)
• M14: 7,368,593 km (0.119 R)
• M15: 8,644,812 km (0.117 R)
• M16: 9,111,109 km (0.034 R)
• M17: 11,180,646 km (0.111 R)
• M18: 11,734,756 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.9

Radius: 8.3

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.35 AU - 1.57 AU

Year: 1197 Days

Day: 5.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,624,559 km

• M1: 103,372 km (0.116 R)
• M2: 445,951 km (0.049 R)
• M3: 715,527 km (0.119 R)
• M4: 1,105,528 km (0.115 R)
• M5: 1,624,483 km (0.11 R)
• M6: 2,004,013 km (0.112 R)
• M7: 3,114,328 km (0.12 R)
• M8: 3,415,768 km (0.076 R)
• M9: 3,736,656 km (0.05 R)
• M10: 4,237,659 km (0.093 R)
• M11: 5,459,275 km (0.117 R)
• M12: 6,035,825 km (0.071 R)
• M13: 6,850,236 km (0.095 R)
• M14: 7,547,661 km (0.083 R)
• M15: 8,814,157 km (0.073 R)
• M16: 9,113,801 km (0.09 R)
• M17: 9,638,890 km (0.117 R)
• M18: 9,989,248 km (0.034 R)
• M19: 10,414,256 km (0.116 R)
• M20: 12,015,851 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.2

Radius: 9.2

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.76 AU - 1.92 AU

Year: 1693 Days

Day: 14.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,624,559 km

• M1: 114,442 km (0.115 R)
• M2: 439,369 km (0.12 R)
• M3: 1,018,014 km (0.071 R)
• M4: 1,370,616 km (0.118 R)
• M5: 1,764,208 km (0.088 R)
• M6: 2,754,695 km (0.098 R)
• M7: 3,972,123 km (0.044 R)
• M8: 4,680,917 km (0.09 R)
• M9: 5,191,645 km (0.1 R)
• M10: 5,581,945 km (0.104 R)
• M11: 7,724,785 km (0.047 R)
• M12: 8,033,705 km (0.096 R)
• M13: 8,321,681 km (0.062 R)
• M14: 8,676,228 km (0.112 R)
• M15: 9,071,764 km (0.046 R)
• M16: 10,845,397 km (0.077 R)
• M17: 11,340,715 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.8

Radius: 13.9

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.78 AU - 2.06 AU

Year: 1804 Days

Day: 11.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,624,559 km

• M1: 172,935 km (0.075 R)
• M2: 707,448 km (0.079 R)
• M3: 1,914,404 km (0.036 R)
• M4: 2,507,111 km (0.062 R)
• M5: 2,987,769 km (0.078 R)
• M6: 3,482,638 km (0.102 R)
• M7: 4,543,736 km (0.081 R)
• M8: 5,078,100 km (0.071 R)
• M9: 6,132,166 km (0.1 R)
• M10: 7,196,106 km (0.108 R)
• M11: 9,341,789 km (0.075 R)
• M12: 10,680,839 km (0.067 R)
• M13: 11,558,081 km (0.074 R)
• M14: 12,256,404 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564

Radius: 14.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.06 AU - 2.76 AU

Year: 2538 Days

Day: 11.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,624,559 km

• M1: 185,352 km (0.082 R)
• M2: 686,056 km (0.037 R)
• M3: 1,186,610 km (0.105 R)
• M4: 1,652,308 km (0.076 R)
• M5: 2,243,669 km (0.066 R)
• M6: 3,298,334 km (0.088 R)
• M7: 4,034,804 km (0.088 R)
• M8: 4,536,256 km (0.114 R)
• M9: 5,012,127 km (0.12 R)
• M10: 5,913,454 km (0.081 R)
• M11: 6,699,591 km (0.09 R)
• M12: 7,232,758 km (0.104 R)
• M13: 8,289,816 km (0.119 R)
• M14: 9,762,159 km (0.099 R)
• M15: 10,302,057 km (0.087 R)
• M16: 12,538,396 km (0.116 R)
• M17: 13,526,789 km (0.044 R)
• M18: 16,856,389 km (0.067 R)
• M19: 17,793,919 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.8

Radius: 9.9

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.37 AU - 3.79 AU

Year: 4594 Days

Day: 7.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,624,559 km

• M1: 123,119 km (0.103 R)
• M2: 606,919 km (0.084 R)
• M3: 1,199,326 km (0.112 R)
• M4: 3,118,816 km (0.11 R)
• M5: 4,164,506 km (0.118 R)
• M6: 5,586,732 km (0.07 R)
• M7: 7,213,460 km (0.068 R)
• M8: 7,599,572 km (0.039 R)
• M9: 8,697,022 km (0.075 R)
• M10: 10,618,756 km (0.111 R)
• M11: 10,950,714 km (0.083 R)
• M12: 13,860,692 km (0.092 R)
• M13: 15,073,631 km (0.036 R)
• M14: 16,355,984 km (0.064 R)
• M15: 17,767,590 km (0.1 R)
• M16: 22,830,131 km (0.081 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544

Radius: 13.5

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.54 AU - 3.96 AU

Year: 4925 Days

Day: 8.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 147.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,624,559 km

• M1: 167,849 km (0.098 R)
• M2: 613,501 km (0.113 R)
• M3: 1,174,792 km (0.106 R)
• M4: 1,787,545 km (0.094 R)
• M5: 2,280,171 km (0.069 R)
• M6: 3,926,346 km (0.073 R)
• M7: 5,344,534 km (0.106 R)
• M8: 6,111,372 km (0.113 R)
• M9: 6,568,394 km (0.057 R)
• M10: 7,113,977 km (0.119 R)
• M11: 8,630,301 km (0.072 R)
• M12: 10,225,762 km (0.115 R)
• M13: 15,063,608 km (0.09 R)
• M14: 19,047,399 km (0.098 R)
• M15: 20,834,944 km (0.119 R)
• M16: 21,804,638 km (0.088 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.2

Radius: 8.1

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.17 AU - 6.03 AU

Year: 8988 Days

Day: 9.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,624,559 km

• M1: 101,427 km (0.101 R)
• M2: 399,277 km (0.042 R)
• M3: 883,525 km (0.054 R)
• M4: 1,287,738 km (0.111 R)
• M5: 2,395,959 km (0.095 R)
• M6: 2,865,398 km (0.104 R)
• M7: 3,708,082 km (0.112 R)
• M8: 4,420,617 km (0.116 R)
• M9: 7,069,098 km (0.1 R)
• M10: 7,341,964 km (0.087 R)
• M11: 8,118,676 km (0.108 R)
• M12: 8,375,087 km (0.051 R)
• M13: 9,501,858 km (0.075 R)
• M14: 11,834,089 km (0.105 R)
• M15: 14,028,989 km (0.07 R)
• M16: 14,336,562 km (0.069 R)
• M17: 14,648,773 km (0.088 R)
• M18: 18,906,628 km (0.108 R)
• M19: 20,048,359 km (0.106 R)
• M20: 21,478,365 km (0.084 R)
• M21: 23,662,045 km (0.058 R)
• M22: 24,629,045 km (0.095 R)
• M23: 29,963,706 km (0.084 R)
• M24: 30,887,173 km (0.076 R)
• M25: 35,563,154 km (0.11 R)
• M26: 36,947,533 km (0.089 R)
• M27: 39,091,120 km (0.106 R)
• M28: 40,193,507 km (0.061 R)
• M29: 41,949,038 km (0.076 R)
• M30: 42,974,980 km (0.106 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 14,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit