🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.7

Radius: 11.8

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.58 AU - 0.66 AU

Year: 326 Days

Day: 12 Hours

Environment

Temp: -145 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,816,693 km

• M1: 147,055 km (0.118 R)
• M2: 649,704 km (0.096 R)
• M3: 1,149,660 km (0.099 R)
• M4: 1,779,467 km (0.104 R)
• M5: 2,237,236 km (0.052 R)
• M6: 2,667,180 km (0.066 R)
• M7: 3,174,018 km (0.065 R)
• M8: 4,463,851 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.2

Radius: 10.4

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.78 AU - 1.04 AU

Year: 579 Days

Day: 5.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,816,693 km

• M1: 129,402 km (0.099 R)
• M2: 550,520 km (0.095 R)
• M3: 993,479 km (0.11 R)
• M4: 1,430,006 km (0.071 R)
• M5: 1,923,978 km (0.074 R)
• M6: 2,498,284 km (0.104 R)
• M7: 3,486,079 km (0.087 R)
• M8: 3,863,215 km (0.112 R)
• M9: 4,312,607 km (0.048 R)
• M10: 5,026,937 km (0.094 R)
• M11: 5,581,497 km (0.076 R)
• M12: 6,469,659 km (0.114 R)
• M13: 6,833,780 km (0.036 R)
• M14: 7,319,076 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.2

Radius: 13.1

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.29 AU - 1.87 AU

Year: 1324 Days

Day: 14.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 90,816,693 km

• M1: 162,912 km (0.091 R)
• M2: 806,781 km (0.119 R)
• M3: 1,632,861 km (0.072 R)
• M4: 3,234,306 km (0.062 R)
• M5: 3,813,549 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.5

Radius: 11.2

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.82 AU - 2.18 AU

Year: 1886 Days

Day: 8.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,816,693 km

• M1: 139,276 km (0.089 R)
• M2: 545,883 km (0.119 R)
• M3: 1,044,941 km (0.101 R)
• M4: 2,150,918 km (0.092 R)
• M5: 3,234,306 km (0.058 R)
• M6: 4,150,743 km (0.117 R)
• M7: 6,196,344 km (0.079 R)
• M8: 7,302,171 km (0.102 R)
• M9: 7,974,165 km (0.118 R)
• M10: 8,384,811 km (0.063 R)
• M11: 10,376,707 km (0.111 R)
• M12: 12,430,835 km (0.088 R)
• M13: 13,064,532 km (0.113 R)
• M14: 13,802,947 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.5

Radius: 10.2

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.44 AU - 2.57 AU

Year: 2636 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,816,693 km

• M1: 128,654 km (0.064 R)
• M2: 831,764 km (0.099 R)
• M3: 2,407,628 km (0.059 R)
• M4: 2,756,490 km (0.104 R)
• M5: 4,679,721 km (0.082 R)
• M6: 5,063,290 km (0.11 R)
• M7: 5,566,088 km (0.112 R)
• M8: 5,893,857 km (0.113 R)
• M9: 6,505,563 km (0.069 R)
• M10: 6,869,684 km (0.12 R)
• M11: 8,140,368 km (0.09 R)
• M12: 10,520,321 km (0.108 R)
• M13: 11,869,245 km (0.072 R)
• M14: 13,063,933 km (0.109 R)
• M15: 14,290,187 km (0.118 R)
• M16: 18,152,505 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.5

Radius: 12.1

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.65 AU - 2.87 AU

Year: 3058 Days

Day: 6.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,816,693 km

• M1: 186,549 km (0.114 R)
• M2: 1,156,990 km (0.087 R)
• M3: 1,763,460 km (0.11 R)
• M4: 2,589,090 km (0.088 R)
• M5: 3,493,559 km (0.052 R)
• M6: 3,921,858 km (0.102 R)
• M7: 4,930,297 km (0.098 R)
• M8: 5,819,956 km (0.117 R)
• M9: 6,729,062 km (0.104 R)
• M10: 8,106,709 km (0.116 R)
• M11: 9,240,212 km (0.093 R)
• M12: 10,590,632 km (0.056 R)
• M13: 11,373,328 km (0.116 R)
• M14: 15,627,891 km (0.103 R)
• M15: 18,191,101 km (0.04 R)
• M16: 18,634,659 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.7

Radius: 13.8

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.3 AU - 3.5 AU

Year: 3293 Days

Day: 10.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 105.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 90,816,693 km

• M1: 189,541 km (0.093 R)
• M2: 1,198,429 km (0.083 R)
• M3: 2,138,202 km (0.116 R)
• M4: 3,614,434 km (0.099 R)
• M5: 4,659,076 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.6

Radius: 5

Gravity: 37.42 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 7.2 AU - 9.1 AU

Year: 15516 Days

Day: 20.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,816,693 km

• M1: 79,137 km (0.099 R)
• M2: 437,275 km (0.055 R)
• M3: 1,728,155 km (0.086 R)
• M4: 2,102,598 km (0.1 R)
• M5: 2,266,857 km (0.072 R)
• M6: 2,763,521 km (0.104 R)
• M7: 3,412,477 km (0.069 R)
• M8: 4,189,788 km (0.091 R)
• M9: 5,413,947 km (0.075 R)
• M10: 9,903,080 km (0.094 R)
• M11: 11,463,685 km (0.108 R)
• M12: 12,435,024 km (0.111 R)
• M13: 12,702,954 km (0.062 R)
• M14: 18,210,399 km (0.097 R)
• M15: 23,968,870 km (0.07 R)
• M16: 32,447,180 km (0.089 R)
• M17: 34,117,590 km (0.097 R)
• M18: 34,907,466 km (0.12 R)
• M19: 42,876,844 km (0.083 R)
• M20: 49,090,541 km (0.045 R)
• M21: 50,775,163 km (0.047 R)
• M22: 52,498,082 km (0.058 R)
• M23: 55,335,056 km (0.081 R)
• M24: 59,211,286 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809

Radius: 4.7

Gravity: 36.62 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 9.8 AU - 12 AU

Year: 23998 Days

Day: 23.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,816,693 km

• M1: 60,288 km (0.12 R)
• M2: 318,344 km (0.045 R)
• M3: 512,223 km (0.109 R)
• M4: 773,720 km (0.109 R)
• M5: 998,715 km (0.091 R)
• M6: 5,237,721 km (0.104 R)
• M7: 8,664,110 km (0.086 R)
• M8: 11,066,353 km (0.103 R)
• M9: 11,747,023 km (0.064 R)
• M10: 13,041,942 km (0.084 R)
• M11: 15,158,303 km (0.085 R)
• M12: 15,657,960 km (0.099 R)
• M13: 16,082,519 km (0.047 R)
• M14: 18,888,526 km (0.069 R)
• M15: 20,557,739 km (0.12 R)
• M16: 28,095,079 km (0.078 R)
• M17: 28,344,757 km (0.072 R)
• M18: 31,188,463 km (0.119 R)
• M19: 33,093,891 km (0.061 R)
• M20: 34,787,788 km (0.108 R)
• M21: 38,041,542 km (0.109 R)
• M22: 43,128,019 km (0.103 R)
• M23: 45,317,533 km (0.104 R)
• M24: 46,005,833 km (0.12 R)
• M25: 47,934,748 km (0.096 R)
• M26: 50,466,692 km (0.077 R)
• M27: 57,584,708 km (0.029 R)
• M28: 70,270,907 km (0.075 R)
• M29: 74,244,226 km (0.045 R)
• M30: 76,407,262 km (0.076 R)
• M31: 88,655,887 km (0.1 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 11,832 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit