🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.2

Radius: 8.1

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.62 AU - 0.8 AU

Year: 386 Days

Day: 10 Hours

Environment

Temp: -138 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,360,571 km

• M1: 100,679 km (0.12 R)
• M2: 1,130,362 km (0.108 R)
• M3: 1,481,019 km (0.057 R)
• M4: 1,738,327 km (0.069 R)
• M5: 2,184,428 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.6

Radius: 10.1

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.65 AU - 0.87 AU

Year: 428 Days

Day: 12.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,360,571 km

• M1: 125,662 km (0.059 R)
• M2: 446,849 km (0.113 R)
• M3: 836,252 km (0.091 R)
• M4: 1,179,130 km (0.094 R)
• M5: 2,198,640 km (0.115 R)
• M6: 2,656,110 km (0.12 R)
• M7: 3,600,821 km (0.052 R)
• M8: 4,492,424 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 11.3

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.53 AU - 2.03 AU

Year: 1533 Days

Day: 11.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,360,571 km

• M1: 140,622 km (0.084 R)
• M2: 562,638 km (0.086 R)
• M3: 1,063,042 km (0.119 R)
• M4: 1,523,355 km (0.093 R)
• M5: 2,654,315 km (0.095 R)
• M6: 3,268,115 km (0.06 R)
• M7: 3,876,829 km (0.112 R)
• M8: 4,614,047 km (0.066 R)
• M9: 5,142,876 km (0.097 R)
• M10: 5,881,739 km (0.111 R)
• M11: 6,322,156 km (0.114 R)
• M12: 7,673,473 km (0.077 R)
• M13: 8,119,574 km (0.105 R)
• M14: 8,977,817 km (0.116 R)
• M15: 9,414,194 km (0.083 R)
• M16: 10,141,988 km (0.1 R)
• M17: 11,071,140 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.8

Radius: 12.8

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.24 AU - 2.64 AU

Year: 2461 Days

Day: 11.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,360,571 km

• M1: 159,172 km (0.065 R)
• M2: 684,709 km (0.086 R)
• M3: 1,731,595 km (0.051 R)
• M4: 2,138,502 km (0.107 R)
• M5: 2,763,671 km (0.035 R)
• M6: 3,198,702 km (0.055 R)
• M7: 3,784,976 km (0.066 R)
• M8: 4,684,508 km (0.054 R)
• M9: 6,485,965 km (0.093 R)
• M10: 7,178,454 km (0.066 R)
• M11: 9,894,104 km (0.104 R)
• M12: 10,740,080 km (0.112 R)
• M13: 12,860,929 km (0.089 R)
• M14: 15,431,918 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.3

Radius: 10

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.5 AU - 2.54 AU

Year: 2583 Days

Day: 5.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,360,571 km

• M1: 124,465 km (0.087 R)
• M2: 566,527 km (0.094 R)
• M3: 926,011 km (0.065 R)
• M4: 1,280,558 km (0.047 R)
• M5: 2,050,089 km (0.107 R)
• M6: 2,620,356 km (0.085 R)
• M7: 2,951,566 km (0.041 R)
• M8: 3,719,003 km (0.047 R)
• M9: 4,681,366 km (0.083 R)
• M10: 5,028,882 km (0.104 R)
• M11: 6,258,427 km (0.08 R)
• M12: 7,243,529 km (0.102 R)
• M13: 8,771,372 km (0.029 R)
• M14: 9,086,724 km (0.083 R)
• M15: 10,155,302 km (0.1 R)
• M16: 10,542,611 km (0.101 R)
• M17: 11,470,866 km (0.104 R)
• M18: 11,976,207 km (0.072 R)
• M19: 13,628,815 km (0.106 R)
• M20: 16,306,018 km (0.058 R)
• M21: 17,053,559 km (0.089 R)
• M22: 18,388,121 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.8

Radius: 8.8

Gravity: 12.6 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.43 AU - 4.65 AU

Year: 5243 Days

Day: 6.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,360,571 km

• M1: 109,655 km (0.118 R)
• M2: 491,878 km (0.027 R)
• M3: 774,917 km (0.114 R)
• M4: 1,532,481 km (0.066 R)
• M5: 1,938,190 km (0.109 R)
• M6: 2,363,646 km (0.069 R)
• M7: 2,927,930 km (0.106 R)
• M8: 3,231,763 km (0.059 R)
• M9: 3,601,718 km (0.111 R)
• M10: 4,197,118 km (0.084 R)
• M11: 4,531,918 km (0.087 R)
• M12: 5,492,785 km (0.113 R)
• M13: 5,989,450 km (0.116 R)
• M14: 6,381,247 km (0.069 R)
• M15: 6,825,104 km (0.087 R)
• M16: 8,083,521 km (0.067 R)
• M17: 8,809,220 km (0.076 R)
• M18: 9,188,002 km (0.113 R)
• M19: 9,490,190 km (0.118 R)
• M20: 11,198,897 km (0.112 R)
• M21: 12,463,747 km (0.029 R)
• M22: 12,995,417 km (0.041 R)
• M23: 14,798,820 km (0.092 R)
• M24: 16,763,189 km (0.083 R)
• M25: 19,739,439 km (0.108 R)
• M26: 23,368,983 km (0.045 R)
• M27: 31,232,595 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.7

Radius: 4.7

Gravity: 27.1 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.03 AU - 7.71 AU

Year: 12919 Days

Day: 22.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,360,571 km

• M1: 58,493 km (0.112 R)
• M2: 276,756 km (0.038 R)
• M3: 425,008 km (0.102 R)
• M4: 702,063 km (0.113 R)
• M5: 866,770 km (0.076 R)
• M6: 1,212,640 km (0.111 R)
• M7: 1,854,565 km (0.065 R)
• M8: 2,591,933 km (0.114 R)
• M9: 2,764,718 km (0.106 R)
• M10: 3,354,433 km (0.027 R)
• M11: 3,719,452 km (0.054 R)
• M12: 4,875,993 km (0.067 R)
• M13: 6,447,070 km (0.103 R)
• M14: 10,708,365 km (0.116 R)
• M15: 11,382,004 km (0.083 R)
• M16: 13,636,594 km (0.085 R)
• M17: 15,884,003 km (0.11 R)
• M18: 17,819,799 km (0.081 R)
• M19: 19,741,234 km (0.085 R)
• M20: 21,796,410 km (0.05 R)
• M21: 25,042,833 km (0.1 R)
• M22: 30,660,981 km (0.089 R)
• M23: 33,171,832 km (0.109 R)
• M24: 45,594,140 km (0.061 R)
• M25: 49,160,104 km (0.109 R)
• M26: 52,907,531 km (0.114 R)
• M27: 53,388,937 km (0.057 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 18,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit