🌌 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: 942.1

Radius: 9.1

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.61 AU - 0.77 AU

Year: 382 Days

Day: 9.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,244,527 km

• M1: 113,246 km (0.101 R)
• M2: 426,204 km (0.114 R)
• M3: 820,096 km (0.066 R)
• M4: 1,155,494 km (0.119 R)
• M5: 1,898,247 km (0.114 R)
• M6: 2,282,564 km (0.099 R)
• M7: 2,677,652 km (0.101 R)
• M8: 3,255,698 km (0.11 R)
• M9: 3,706,886 km (0.115 R)
• M10: 4,116,634 km (0.09 R)
• M11: 4,526,981 km (0.072 R)
• M12: 5,090,217 km (0.107 R)
• M13: 5,750,841 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.4

Radius: 10

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.56 AU - 0.9 AU

Year: 416 Days

Day: 9.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 127 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,244,527 km

• M1: 124,465 km (0.05 R)
• M2: 502,350 km (0.094 R)
• M3: 841,189 km (0.054 R)
• M4: 1,197,830 km (0.073 R)
• M5: 1,525,898 km (0.107 R)
• M6: 2,068,340 km (0.093 R)
• M7: 2,498,434 km (0.115 R)
• M8: 3,167,585 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.6

Radius: 12.5

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.61 AU - 0.89 AU

Year: 433 Days

Day: 8.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 28,244,527 km

• M1: 155,432 km (0.118 R)
• M2: 556,205 km (0.077 R)
• M3: 1,008,290 km (0.117 R)
• M4: 1,574,518 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.1

Radius: 11.5

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.86 AU - 1.28 AU

Year: 738 Days

Day: 9.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,244,527 km

• M1: 143,016 km (0.083 R)
• M2: 684,410 km (0.108 R)
• M3: 1,628,822 km (0.088 R)
• M4: 2,149,871 km (0.106 R)
• M5: 2,956,503 km (0.118 R)
• M6: 3,331,545 km (0.092 R)
• M7: 3,977,658 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.7

Radius: 11.8

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.26 AU - 2.44 AU

Year: 2402 Days

Day: 14.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,244,527 km

• M1: 146,756 km (0.089 R)
• M2: 562,787 km (0.097 R)
• M3: 954,734 km (0.093 R)
• M4: 1,732,044 km (0.099 R)
• M5: 3,079,921 km (0.054 R)
• M6: 3,887,301 km (0.118 R)
• M7: 4,332,205 km (0.032 R)
• M8: 5,115,050 km (0.115 R)
• M9: 5,717,631 km (0.072 R)
• M10: 7,064,759 km (0.079 R)
• M11: 9,404,769 km (0.096 R)
• M12: 11,167,481 km (0.105 R)
• M13: 11,886,897 km (0.103 R)
• M14: 12,752,022 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.7

Radius: 14.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.83 AU - 2.89 AU

Year: 3225 Days

Day: 14.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,244,527 km

• M1: 182,809 km (0.045 R)
• M2: 764,744 km (0.109 R)
• M3: 1,406,669 km (0.063 R)
• M4: 2,000,423 km (0.119 R)
• M5: 3,119,265 km (0.079 R)
• M6: 3,588,105 km (0.074 R)
• M7: 4,213,274 km (0.053 R)
• M8: 5,109,515 km (0.082 R)
• M9: 6,478,785 km (0.119 R)
• M10: 6,965,277 km (0.107 R)
• M11: 9,658,487 km (0.116 R)
• M12: 12,421,710 km (0.032 R)
• M13: 13,032,069 km (0.11 R)
• M14: 13,613,107 km (0.11 R)
• M15: 14,110,520 km (0.101 R)
• M16: 16,222,692 km (0.111 R)
• M17: 17,528,682 km (0.103 R)
• M18: 18,842,600 km (0.09 R)
• M19: 20,157,116 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.8

Radius: 8.8

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.69 AU - 3.39 AU

Year: 3535 Days

Day: 12.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,244,527 km

• M1: 109,805 km (0.104 R)
• M2: 427,401 km (0.083 R)
• M3: 876,045 km (0.119 R)
• M4: 1,178,682 km (0.116 R)
• M5: 1,561,951 km (0.102 R)
• M6: 2,099,307 km (0.094 R)
• M7: 2,378,307 km (0.091 R)
• M8: 2,667,928 km (0.087 R)
• M9: 3,187,332 km (0.088 R)
• M10: 3,540,832 km (0.099 R)
• M11: 3,883,262 km (0.056 R)
• M12: 5,963,869 km (0.119 R)
• M13: 6,345,642 km (0.097 R)
• M14: 6,879,856 km (0.111 R)
• M15: 8,409,794 km (0.107 R)
• M16: 9,801,652 km (0.072 R)
• M17: 10,190,158 km (0.097 R)
• M18: 10,773,739 km (0.079 R)
• M19: 11,225,824 km (0.115 R)
• M20: 11,848,301 km (0.106 R)
• M21: 12,168,141 km (0.12 R)
• M22: 14,209,404 km (0.089 R)
• M23: 14,845,345 km (0.06 R)
• M24: 15,217,245 km (0.085 R)
• M25: 15,786,615 km (0.094 R)
• M26: 16,321,128 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.3

Radius: 13.4

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.73 AU - 3.97 AU

Year: 4089 Days

Day: 15 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,244,527 km

• M1: 166,802 km (0.084 R)
• M2: 637,736 km (0.075 R)
• M3: 1,339,799 km (0.049 R)
• M4: 1,910,215 km (0.086 R)
• M5: 3,449,727 km (0.042 R)
• M6: 4,812,713 km (0.103 R)
• M7: 5,787,942 km (0.05 R)
• M8: 7,355,877 km (0.077 R)
• M9: 8,020,839 km (0.059 R)
• M10: 9,880,191 km (0.104 R)
• M11: 11,964,688 km (0.057 R)
• M12: 12,985,095 km (0.1 R)
• M13: 13,542,347 km (0.097 R)
• M14: 14,168,414 km (0.112 R)
• M15: 14,596,563 km (0.088 R)
• M16: 16,454,419 km (0.071 R)
• M17: 17,470,937 km (0.084 R)
• M18: 18,213,242 km (0.078 R)
• M19: 18,656,051 km (0.079 R)
• M20: 20,909,594 km (0.086 R)
• M21: 23,636,912 km (0.06 R)
• M22: 27,493,246 km (0.1 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 14,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit