🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.3

Radius: 11.7

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.59 AU - 0.79 AU

Year: 382 Days

Day: 5.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 32,759,487 km

• M1: 145,559 km (0.119 R)
• M2: 609,611 km (0.104 R)
• M3: 992,432 km (0.106 R)
• M4: 1,501,514 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.6

Radius: 8.7

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.84 AU - 1.22 AU

Year: 697 Days

Day: 9.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,759,487 km

• M1: 110,104 km (0.112 R)
• M2: 388,805 km (0.062 R)
• M3: 701,764 km (0.061 R)
• M4: 1,298,809 km (0.118 R)
• M5: 1,766,601 km (0.052 R)
• M6: 2,286,155 km (0.094 R)
• M7: 2,826,801 km (0.093 R)
• M8: 3,204,835 km (0.079 R)
• M9: 3,513,456 km (0.087 R)
• M10: 3,801,431 km (0.09 R)
• M11: 5,115,499 km (0.116 R)
• M12: 6,189,014 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.1

Radius: 8.7

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.89 AU - 2.91 AU

Year: 2479 Days

Day: 5.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,759,487 km

• M1: 108,309 km (0.058 R)
• M2: 482,752 km (0.112 R)
• M3: 841,338 km (0.107 R)
• M4: 1,157,289 km (0.114 R)
• M5: 1,678,787 km (0.105 R)
• M6: 2,708,769 km (0.111 R)
• M7: 3,704,642 km (0.118 R)
• M8: 4,012,813 km (0.069 R)
• M9: 4,550,169 km (0.102 R)
• M10: 5,494,131 km (0.119 R)
• M11: 6,025,653 km (0.045 R)
• M12: 7,250,261 km (0.095 R)
• M13: 8,304,477 km (0.044 R)
• M14: 9,707,705 km (0.099 R)
• M15: 11,747,472 km (0.079 R)
• M16: 13,509,885 km (0.117 R)
• M17: 14,196,688 km (0.072 R)
• M18: 17,072,558 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.4

Radius: 11.6

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.06 AU - 3.84 AU

Year: 4273 Days

Day: 9 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,759,487 km

• M1: 261,647 km (0.086 R)
• M2: 809,773 km (0.118 R)
• M3: 1,202,468 km (0.091 R)
• M4: 1,626,727 km (0.112 R)
• M5: 2,139,549 km (0.055 R)
• M6: 2,634,269 km (0.087 R)
• M7: 3,698,209 km (0.053 R)
• M8: 4,880,930 km (0.07 R)
• M9: 5,334,062 km (0.085 R)
• M10: 6,400,694 km (0.075 R)
• M11: 6,944,782 km (0.113 R)
• M12: 8,096,386 km (0.102 R)
• M13: 9,016,563 km (0.089 R)
• M14: 9,835,611 km (0.101 R)
• M15: 10,490,700 km (0.096 R)
• M16: 13,117,040 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.3

Radius: 11.3

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.74 AU - 4.26 AU

Year: 5335 Days

Day: 10.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,759,487 km

• M1: 142,716 km (0.095 R)
• M2: 577,747 km (0.081 R)
• M3: 1,015,770 km (0.096 R)
• M4: 1,767,200 km (0.093 R)
• M5: 2,425,879 km (0.072 R)
• M6: 2,914,167 km (0.085 R)
• M7: 4,378,580 km (0.112 R)
• M8: 5,733,787 km (0.101 R)
• M9: 6,573,031 km (0.067 R)
• M10: 7,246,072 km (0.028 R)
• M11: 7,890,540 km (0.094 R)
• M12: 9,294,067 km (0.12 R)
• M13: 9,968,753 km (0.118 R)
• M14: 10,630,574 km (0.09 R)
• M15: 13,310,919 km (0.058 R)
• M16: 16,962,603 km (0.096 R)
• M17: 20,453,470 km (0.039 R)
• M18: 22,181,325 km (0.055 R)
• M19: 22,778,221 km (0.069 R)
• M20: 24,396,570 km (0.052 R)
• M21: 25,032,660 km (0.029 R)
• M22: 27,774,640 km (0.114 R)
• M23: 28,819,431 km (0.055 R)
• M24: 30,162,222 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.9

Radius: 11.6

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.57 AU - 5.07 AU

Year: 7057 Days

Day: 9.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,759,487 km

• M1: 145,110 km (0.094 R)
• M2: 1,006,794 km (0.105 R)
• M3: 1,393,504 km (0.111 R)
• M4: 1,941,032 km (0.109 R)
• M5: 2,313,980 km (0.104 R)
• M6: 2,876,169 km (0.083 R)
• M7: 3,639,417 km (0.113 R)
• M8: 6,985,622 km (0.117 R)
• M9: 9,764,702 km (0.1 R)
• M10: 10,367,282 km (0.108 R)
• M11: 10,835,523 km (0.092 R)
• M12: 12,239,051 km (0.1 R)
• M13: 12,674,081 km (0.096 R)
• M14: 18,110,169 km (0.081 R)
• M15: 18,962,876 km (0.113 R)

Asteroid Belt

Center: 5.85 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151

Radius: 7.4

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.29 AU - 7.47 AU

Year: 12034 Days

Day: 19.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,759,487 km

• M1: 93,499 km (0.031 R)
• M2: 337,942 km (0.11 R)
• M3: 763,996 km (0.086 R)
• M4: 1,122,882 km (0.101 R)
• M5: 1,603,540 km (0.03 R)
• M6: 1,856,360 km (0.11 R)
• M7: 2,090,032 km (0.085 R)
• M8: 2,460,735 km (0.061 R)
• M9: 2,855,823 km (0.046 R)
• M10: 3,419,059 km (0.079 R)
• M11: 3,750,119 km (0.066 R)
• M12: 4,349,408 km (0.102 R)
• M13: 10,183,576 km (0.103 R)
• M14: 13,984,110 km (0.06 R)
• M15: 16,755,111 km (0.098 R)
• M16: 18,502,115 km (0.037 R)
• M17: 24,386,099 km (0.086 R)
• M18: 26,030,777 km (0.096 R)
• M19: 26,368,270 km (0.113 R)
• M20: 27,835,825 km (0.066 R)
• M21: 30,091,612 km (0.088 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 13,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit