🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.7

Radius: 14.2

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.65 AU - 0.75 AU

Year: 391 Days

Day: 7.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,064,925 km

• M1: 176,675 km (0.098 R)
• M2: 636,988 km (0.064 R)
• M3: 1,110,016 km (0.074 R)
• M4: 1,792,482 km (0.08 R)
• M5: 2,346,891 km (0.105 R)
• M6: 2,826,951 km (0.114 R)
• M7: 3,372,983 km (0.1 R)
• M8: 3,924,401 km (0.06 R)
• M9: 4,680,020 km (0.076 R)
• M10: 5,226,052 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.8

Radius: 12.7

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.61 AU - 0.91 AU

Year: 442 Days

Day: 14.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 67.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,064,925 km

• M1: 160,818 km (0.116 R)
• M2: 610,359 km (0.112 R)
• M3: 1,143,676 km (0.082 R)
• M4: 1,631,365 km (0.066 R)
• M5: 2,144,635 km (0.066 R)
• M6: 2,724,327 km (0.097 R)
• M7: 3,209,024 km (0.108 R)
• M8: 3,700,603 km (0.116 R)
• M9: 4,119,028 km (0.079 R)
• M10: 4,525,635 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.3

Radius: 12.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.07 AU - 1.25 AU

Year: 833 Days

Day: 11.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,064,925 km

• M1: 153,039 km (0.077 R)
• M2: 578,944 km (0.118 R)
• M3: 1,030,131 km (0.103 R)
• M4: 1,762,562 km (0.113 R)
• M5: 2,165,429 km (0.118 R)
• M6: 2,555,580 km (0.07 R)
• M7: 3,696,115 km (0.112 R)
• M8: 4,665,808 km (0.103 R)
• M9: 5,098,445 km (0.056 R)
• M10: 5,930,209 km (0.111 R)
• M11: 7,257,142 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.3

Radius: 12.2

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.27 AU - 1.77 AU

Year: 1250 Days

Day: 6.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,064,925 km

• M1: 151,692 km (0.069 R)
• M2: 583,880 km (0.082 R)
• M3: 1,030,281 km (0.067 R)
• M4: 1,488,349 km (0.111 R)
• M5: 2,029,594 km (0.102 R)
• M6: 2,498,135 km (0.086 R)
• M7: 2,886,341 km (0.039 R)
• M8: 3,902,859 km (0.084 R)
• M9: 4,302,734 km (0.077 R)
• M10: 5,371,461 km (0.097 R)
• M11: 5,757,424 km (0.101 R)
• M12: 7,053,689 km (0.106 R)
• M13: 7,757,398 km (0.063 R)
• M14: 8,885,216 km (0.055 R)
• M15: 9,274,320 km (0.093 R)
• M16: 10,346,638 km (0.112 R)
• M17: 11,325,008 km (0.059 R)
• M18: 12,107,554 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.7

Radius: 8.2

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.41 AU - 1.87 AU

Year: 1401 Days

Day: 14 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,064,925 km

• M1: 123,119 km (0.055 R)
• M2: 482,453 km (0.073 R)
• M3: 1,060,948 km (0.113 R)
• M4: 1,408,763 km (0.102 R)
• M5: 1,804,450 km (0.113 R)
• M6: 2,553,636 km (0.056 R)
• M7: 3,131,831 km (0.075 R)
• M8: 4,324,874 km (0.084 R)
• M9: 6,953,758 km (0.077 R)
• M10: 7,648,790 km (0.07 R)
• M11: 8,736,516 km (0.087 R)
• M12: 9,148,957 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.6

Radius: 11.8

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.65 AU - 3.99 AU

Year: 4034 Days

Day: 12.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,064,925 km

• M1: 146,756 km (0.088 R)
• M2: 661,971 km (0.082 R)
• M3: 1,307,485 km (0.077 R)
• M4: 2,122,794 km (0.092 R)
• M5: 2,707,871 km (0.113 R)
• M6: 3,785,873 km (0.077 R)
• M7: 4,159,868 km (0.064 R)
• M8: 4,650,699 km (0.105 R)
• M9: 5,408,113 km (0.116 R)
• M10: 8,247,630 km (0.065 R)
• M11: 10,402,886 km (0.076 R)
• M12: 10,809,194 km (0.039 R)
• M13: 11,268,460 km (0.055 R)
• M14: 12,271,065 km (0.097 R)
• M15: 12,863,472 km (0.107 R)
• M16: 15,636,418 km (0.097 R)
• M17: 16,387,549 km (0.102 R)
• M18: 17,502,053 km (0.087 R)
• M19: 18,488,651 km (0.056 R)
• M20: 22,740,372 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.5

Radius: 8.8

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.01 AU - 5.77 AU

Year: 8345 Days

Day: 7 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,064,925 km

• M1: 109,506 km (0.111 R)
• M2: 479,012 km (0.107 R)
• M3: 813,513 km (0.095 R)
• M4: 1,226,104 km (0.117 R)
• M5: 2,011,792 km (0.106 R)
• M6: 2,352,127 km (0.111 R)
• M7: 2,715,501 km (0.113 R)
• M8: 3,339,922 km (0.117 R)
• M9: 3,667,541 km (0.116 R)
• M10: 3,957,013 km (0.088 R)
• M11: 4,670,146 km (0.094 R)
• M12: 7,000,432 km (0.091 R)
• M13: 7,693,968 km (0.096 R)
• M14: 8,973,927 km (0.045 R)
• M15: 11,373,029 km (0.116 R)
• M16: 11,991,765 km (0.046 R)
• M17: 15,576,878 km (0.104 R)
• M18: 16,599,679 km (0.077 R)
• M19: 19,006,709 km (0.063 R)
• M20: 19,410,025 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990

Radius: 11.2

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.91 AU - 6.55 AU

Year: 9147 Days

Day: 10.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 51,064,925 km

• M1: 146,456 km (0.103 R)
• M2: 704,008 km (0.081 R)
• M3: 1,887,476 km (0.109 R)
• M4: 2,360,355 km (0.082 R)
• M5: 2,824,857 km (0.11 R)
• M6: 3,912,284 km (0.112 R)
• M7: 4,596,694 km (0.098 R)
• M8: 6,934,460 km (0.113 R)
• M9: 9,373,204 km (0.113 R)
• M10: 12,100,972 km (0.105 R)
• M11: 12,692,033 km (0.105 R)
• M12: 13,302,243 km (0.095 R)
• M13: 14,846,841 km (0.053 R)
• M14: 17,014,663 km (0.098 R)
• M15: 17,383,123 km (0.066 R)
• M16: 17,756,968 km (0.082 R)
• M17: 19,626,343 km (0.083 R)
• M18: 20,692,078 km (0.106 R)
• M19: 21,281,643 km (0.059 R)
• M20: 23,661,297 km (0.108 R)
• M21: 25,824,033 km (0.093 R)
• M22: 28,527,416 km (0.092 R)
• M23: 30,108,067 km (0.063 R)
• M24: 31,746,314 km (0.08 R)
• M25: 32,418,008 km (0.102 R)
• M26: 33,328,311 km (0.083 R)
• M27: 35,438,539 km (0.109 R)
• M28: 40,183,634 km (0.109 R)
• M29: 40,969,621 km (0.049 R)
• M30: 43,663,879 km (0.101 R)
• M31: 45,618,823 km (0.092 R)
• M32: 46,187,894 km (0.101 R)
• M33: 47,050,326 km (0.107 R)
• M34: 48,807,502 km (0.095 R)
• M35: 50,153,733 km (0.075 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: 280 - 14,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit