🌌 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: 52.7

Radius: 8.8

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.42 AU - 0.64 AU

Year: 257 Days

Day: 10.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 50,578,601 km

• M1: 109,506 km (0.036 R)
• M2: 416,630 km (0.114 R)
• M3: 1,737,130 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.9

Radius: 12.4

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.54 AU - 0.86 AU

Year: 391 Days

Day: 14.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,578,601 km

• M1: 154,235 km (0.059 R)
• M2: 754,422 km (0.087 R)
• M3: 1,195,736 km (0.101 R)
• M4: 1,644,380 km (0.099 R)
• M5: 2,128,179 km (0.084 R)
• M6: 2,696,651 km (0.099 R)
• M7: 3,190,923 km (0.072 R)
• M8: 3,758,198 km (0.102 R)
• M9: 4,265,334 km (0.115 R)
• M10: 5,064,786 km (0.117 R)
• M11: 5,500,564 km (0.065 R)
• M12: 5,979,128 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913

Radius: 10

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.21 AU - 1.49 AU

Year: 1046 Days

Day: 13.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,578,601 km

• M1: 124,316 km (0.052 R)
• M2: 514,766 km (0.088 R)
• M3: 832,961 km (0.098 R)
• M4: 1,145,321 km (0.111 R)
• M5: 1,616,555 km (0.081 R)
• M6: 2,304,106 km (0.101 R)
• M7: 2,872,429 km (0.046 R)
• M8: 3,671,880 km (0.061 R)
• M9: 4,895,890 km (0.1 R)
• M10: 5,352,313 km (0.111 R)
• M11: 6,536,081 km (0.103 R)
• M12: 8,101,173 km (0.112 R)
• M13: 9,294,366 km (0.113 R)
• M14: 10,568,491 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.4

Radius: 8.3

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.99 AU - 2.67 AU

Year: 2372 Days

Day: 10.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,578,601 km

• M1: 103,372 km (0.11 R)
• M2: 534,214 km (0.113 R)
• M3: 874,998 km (0.093 R)
• M4: 1,172,249 km (0.081 R)
• M5: 1,476,381 km (0.102 R)
• M6: 1,775,876 km (0.053 R)
• M7: 2,315,775 km (0.106 R)
• M8: 2,602,105 km (0.064 R)
• M9: 3,010,059 km (0.086 R)
• M10: 3,441,948 km (0.081 R)
• M11: 3,855,586 km (0.085 R)
• M12: 4,156,427 km (0.1 R)
• M13: 4,989,687 km (0.062 R)
• M14: 5,396,743 km (0.071 R)
• M15: 6,723,377 km (0.108 R)
• M16: 7,250,410 km (0.052 R)
• M17: 9,172,743 km (0.079 R)
• M18: 10,538,422 km (0.119 R)
• M19: 10,969,264 km (0.057 R)
• M20: 12,119,372 km (0.118 R)
• M21: 16,050,505 km (0.081 R)
• M22: 16,832,154 km (0.096 R)
• M23: 18,811,334 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.7

Radius: 9.1

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.77 AU - 5.55 AU

Year: 7816 Days

Day: 11.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,578,601 km

• M1: 113,395 km (0.1 R)
• M2: 647,908 km (0.083 R)
• M3: 1,165,816 km (0.112 R)
• M4: 1,478,625 km (0.09 R)
• M5: 1,832,574 km (0.094 R)
• M6: 2,190,711 km (0.092 R)
• M7: 3,906,300 km (0.112 R)
• M8: 4,447,395 km (0.094 R)
• M9: 4,976,224 km (0.107 R)
• M10: 6,124,686 km (0.092 R)
• M11: 10,572,082 km (0.089 R)
• M12: 12,341,675 km (0.03 R)
• M13: 13,267,087 km (0.104 R)
• M14: 14,996,887 km (0.103 R)
• M15: 16,871,947 km (0.096 R)
• M16: 17,293,215 km (0.092 R)
• M17: 17,938,430 km (0.049 R)
• M18: 19,505,917 km (0.038 R)
• M19: 19,892,178 km (0.107 R)
• M20: 22,740,821 km (0.086 R)
• M21: 24,218,100 km (0.063 R)
• M22: 26,223,310 km (0.107 R)
• M23: 28,238,244 km (0.117 R)
• M24: 32,465,879 km (0.062 R)
• M25: 36,979,397 km (0.078 R)
• M26: 38,290,173 km (0.066 R)
• M27: 38,896,194 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.9

Radius: 10.1

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.41 AU - 5.73 AU

Year: 8766 Days

Day: 12.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,578,601 km

• M1: 125,662 km (0.096 R)
• M2: 450,888 km (0.114 R)
• M3: 772,823 km (0.115 R)
• M4: 1,571,825 km (0.119 R)
• M5: 3,020,082 km (0.064 R)
• M6: 4,025,230 km (0.035 R)
• M7: 5,083,784 km (0.054 R)
• M8: 5,694,742 km (0.115 R)
• M9: 6,070,532 km (0.069 R)
• M10: 7,337,925 km (0.038 R)
• M11: 8,290,116 km (0.069 R)
• M12: 11,805,067 km (0.056 R)
• M13: 15,146,934 km (0.087 R)
• M14: 20,624,610 km (0.105 R)
• M15: 22,343,340 km (0.093 R)
• M16: 22,766,253 km (0.04 R)
• M17: 24,155,718 km (0.101 R)
• M18: 26,721,620 km (0.056 R)
• M19: 32,173,864 km (0.11 R)
• M20: 34,705,808 km (0.096 R)
• M21: 35,159,389 km (0.099 R)
• M22: 38,809,128 km (0.084 R)
• M23: 41,674,975 km (0.11 R)
• M24: 42,187,497 km (0.1 R)
• M25: 42,704,059 km (0.115 R)
• M26: 43,224,958 km (0.035 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.8

Radius: 7.8

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.45 AU - 7.73 AU

Year: 12589 Days

Day: 23.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,578,601 km

• M1: 98,884 km (0.089 R)
• M2: 406,308 km (0.06 R)
• M3: 821,292 km (0.063 R)
• M4: 1,158,336 km (0.051 R)
• M5: 1,487,452 km (0.105 R)
• M6: 1,894,657 km (0.113 R)
• M7: 3,425,791 km (0.09 R)
• M8: 9,057,702 km (0.087 R)
• M9: 10,730,655 km (0.116 R)
• M10: 13,643,027 km (0.096 R)
• M11: 16,181,104 km (0.09 R)
• M12: 17,264,193 km (0.101 R)
• M13: 18,782,611 km (0.091 R)
• M14: 21,055,003 km (0.083 R)
• M15: 22,432,650 km (0.101 R)
• M16: 32,430,724 km (0.079 R)
• M17: 34,264,794 km (0.109 R)
• M18: 36,531,351 km (0.075 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 18,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit