🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708

Radius: 9.1

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.91 AU - 1.25 AU

Year: 725 Days

Day: 10 Hours

Environment

Temp: -158 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,910,468 km

• M1: 113,246 km (0.093 R)
• M2: 572,810 km (0.113 R)
• M3: 1,268,291 km (0.115 R)
• M4: 1,768,546 km (0.088 R)
• M5: 2,065,199 km (0.116 R)
• M6: 2,416,604 km (0.106 R)
• M7: 4,072,204 km (0.059 R)
• M8: 4,480,905 km (0.103 R)
• M9: 4,865,222 km (0.115 R)
• M10: 5,529,436 km (0.118 R)
• M11: 6,111,372 km (0.099 R)
• M12: 6,669,372 km (0.065 R)
• M13: 7,983,141 km (0.072 R)
• M14: 8,275,305 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615

Radius: 10.8

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.87 AU - 1.35 AU

Year: 755 Days

Day: 12.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,910,468 km

• M1: 134,339 km (0.061 R)
• M2: 482,752 km (0.104 R)
• M3: 821,891 km (0.093 R)
• M4: 1,187,209 km (0.102 R)
• M5: 1,600,099 km (0.118 R)
• M6: 2,033,933 km (0.058 R)
• M7: 3,617,875 km (0.077 R)
• M8: 4,020,592 km (0.095 R)
• M9: 4,598,639 km (0.088 R)
• M10: 4,950,942 km (0.046 R)
• M11: 5,559,805 km (0.047 R)
• M12: 5,940,980 km (0.093 R)
• M13: 6,421,189 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.2

Radius: 8.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2 AU - 2.08 AU

Year: 1881 Days

Day: 7 Hours

Environment

Temp: -196 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,910,468 km

• M1: 104,569 km (0.05 R)
• M2: 424,858 km (0.1 R)
• M3: 1,001,857 km (0.079 R)
• M4: 1,295,817 km (0.049 R)
• M5: 1,562,699 km (0.108 R)
• M6: 2,385,936 km (0.11 R)
• M7: 2,906,836 km (0.118 R)
• M8: 3,356,527 km (0.12 R)
• M9: 4,464,150 km (0.087 R)
• M10: 4,784,738 km (0.095 R)
• M11: 5,294,568 km (0.04 R)
• M12: 5,572,969 km (0.101 R)
• M13: 6,246,160 km (0.081 R)
• M14: 7,019,581 km (0.085 R)
• M15: 8,324,074 km (0.068 R)
• M16: 8,728,587 km (0.116 R)
• M17: 9,519,062 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.4

Radius: 9.5

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.37 AU - 3.55 AU

Year: 4156 Days

Day: 11.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,910,468 km

• M1: 196,871 km (0.063 R)
• M2: 542,143 km (0.101 R)
• M3: 1,128,118 km (0.107 R)
• M4: 2,218,387 km (0.071 R)
• M5: 3,211,717 km (0.075 R)
• M6: 3,736,656 km (0.116 R)
• M7: 4,578,892 km (0.067 R)
• M8: 5,177,732 km (0.115 R)
• M9: 6,931,019 km (0.096 R)
• M10: 7,986,881 km (0.097 R)
• M11: 9,579,649 km (0.071 R)
• M12: 11,758,093 km (0.082 R)
• M13: 14,115,606 km (0.025 R)
• M14: 14,739,579 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.9

Radius: 9

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.76 AU - 4.1 AU

Year: 5030 Days

Day: 7.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,910,468 km

• M1: 112,797 km (0.083 R)
• M2: 501,901 km (0.116 R)
• M3: 1,443,021 km (0.09 R)
• M4: 1,786,797 km (0.113 R)
• M5: 2,349,584 km (0.068 R)
• M6: 2,750,656 km (0.103 R)
• M7: 3,231,912 km (0.117 R)
• M8: 3,768,221 km (0.094 R)
• M9: 4,406,106 km (0.111 R)
• M10: 4,924,463 km (0.101 R)
• M11: 5,790,784 km (0.085 R)
• M12: 7,383,403 km (0.098 R)
• M13: 7,727,478 km (0.059 R)
• M14: 8,082,474 km (0.107 R)
• M15: 11,954,665 km (0.081 R)
• M16: 12,386,404 km (0.069 R)
• M17: 13,932,199 km (0.113 R)
• M18: 14,362,144 km (0.093 R)
• M19: 14,850,132 km (0.111 R)
• M20: 15,399,605 km (0.113 R)
• M21: 16,222,991 km (0.064 R)
• M22: 20,295,046 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.4

Radius: 13.8

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.77 AU - 6.51 AU

Year: 8648 Days

Day: 14.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,910,468 km

• M1: 171,589 km (0.092 R)
• M2: 1,123,031 km (0.107 R)
• M3: 1,948,512 km (0.119 R)
• M4: 2,720,587 km (0.096 R)
• M5: 3,402,604 km (0.059 R)
• M6: 4,173,332 km (0.102 R)
• M7: 4,674,933 km (0.073 R)
• M8: 5,297,709 km (0.119 R)
• M9: 6,742,077 km (0.09 R)
• M10: 7,642,955 km (0.118 R)
• M11: 8,622,672 km (0.116 R)
• M12: 10,920,046 km (0.043 R)
• M13: 11,925,643 km (0.107 R)
• M14: 13,963,465 km (0.106 R)
• M15: 14,709,659 km (0.091 R)
• M16: 15,482,482 km (0.064 R)
• M17: 16,166,294 km (0.092 R)
• M18: 17,289,924 km (0.12 R)
• M19: 20,631,940 km (0.04 R)
• M20: 26,580,250 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.6

Radius: 5.7

Gravity: 16.73 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.3 AU - 11.28 AU

Year: 19778 Days

Day: 20.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,910,468 km

• M1: 79,586 km (0.117 R)
• M2: 485,146 km (0.096 R)
• M3: 814,710 km (0.097 R)
• M4: 2,446,673 km (0.029 R)
• M5: 3,329,899 km (0.084 R)
• M6: 3,754,458 km (0.108 R)
• M7: 3,934,125 km (0.064 R)
• M8: 4,119,626 km (0.054 R)
• M9: 4,408,649 km (0.097 R)
• M10: 8,390,047 km (0.1 R)
• M11: 12,602,873 km (0.101 R)
• M12: 14,417,196 km (0.108 R)
• M13: 16,718,759 km (0.037 R)
• M14: 19,790,302 km (0.081 R)
• M15: 21,079,986 km (0.036 R)
• M16: 22,720,027 km (0.093 R)
• M17: 24,339,723 km (0.12 R)
• M18: 25,390,199 km (0.076 R)
• M19: 26,034,667 km (0.112 R)
• M20: 27,022,013 km (0.093 R)
• M21: 37,746,086 km (0.059 R)
• M22: 39,867,533 km (0.074 R)
• M23: 40,737,894 km (0.099 R)
• M24: 41,030,806 km (0.089 R)
• M25: 42,216,519 km (0.104 R)
• M26: 49,148,884 km (0.105 R)
• M27: 50,823,782 km (0.115 R)
• M28: 57,168,377 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746

Radius: 5.9

Gravity: 21.43 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.86 AU - 10.78 AU

Year: 21406 Days

Day: 17.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,910,468 km

• M1: 75,996 km (0.075 R)
• M2: 853,157 km (0.116 R)
• M3: 1,367,474 km (0.111 R)
• M4: 1,987,857 km (0.081 R)
• M5: 3,765,678 km (0.106 R)
• M6: 4,458,465 km (0.095 R)
• M7: 13,913,051 km (0.096 R)
• M8: 15,631,332 km (0.095 R)
• M9: 20,245,529 km (0.035 R)
• M10: 22,238,172 km (0.096 R)
• M11: 28,627,497 km (0.047 R)
• M12: 30,874,158 km (0.087 R)
• M13: 32,568,055 km (0.083 R)
• M14: 32,834,040 km (0.102 R)
• M15: 35,714,996 km (0.096 R)
• M16: 46,026,178 km (0.087 R)
• M17: 46,361,128 km (0.087 R)
• M18: 62,150,884 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 10,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit