🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.38 AU - 0.64 AU

Year: 235 Days

Day: 37.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.6

Radius: 12.3

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.71 AU - 0.89 AU

Year: 462 Days

Day: 13 Hours

Environment

Temp: -144 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,252,045 km

• M1: 153,338 km (0.091 R)
• M2: 605,123 km (0.089 R)
• M3: 1,095,056 km (0.066 R)
• M4: 1,583,194 km (0.116 R)
• M5: 2,094,370 km (0.048 R)
• M6: 2,555,880 km (0.084 R)
• M7: 3,074,835 km (0.096 R)
• M8: 3,880,120 km (0.09 R)
• M9: 4,569,168 km (0.055 R)
• M10: 5,038,307 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.6

Radius: 8.2

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.74 AU - 1.12 AU

Year: 579 Days

Day: 5.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,252,045 km

• M1: 102,026 km (0.085 R)
• M2: 385,514 km (0.089 R)
• M3: 686,505 km (0.115 R)
• M4: 1,084,435 km (0.109 R)
• M5: 1,405,472 km (0.068 R)
• M6: 1,898,547 km (0.118 R)
• M7: 2,451,012 km (0.08 R)
• M8: 2,895,168 km (0.111 R)
• M9: 3,353,685 km (0.106 R)
• M10: 4,131,744 km (0.057 R)
• M11: 4,991,483 km (0.081 R)
• M12: 5,297,410 km (0.109 R)
• M13: 6,349,682 km (0.049 R)
• M14: 7,231,112 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.1

Radius: 8.2

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.21 AU - 1.33 AU

Year: 924 Days

Day: 14.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,252,045 km

• M1: 102,774 km (0.063 R)
• M2: 438,172 km (0.096 R)
• M3: 856,448 km (0.112 R)
• M4: 1,316,611 km (0.078 R)
• M5: 1,743,862 km (0.088 R)
• M6: 2,188,617 km (0.043 R)
• M7: 2,827,549 km (0.041 R)
• M8: 3,237,747 km (0.08 R)
• M9: 3,657,818 km (0.109 R)
• M10: 4,903,968 km (0.084 R)
• M11: 5,325,834 km (0.119 R)
• M12: 6,200,383 km (0.076 R)
• M13: 6,650,074 km (0.04 R)
• M14: 7,283,322 km (0.11 R)
• M15: 7,590,596 km (0.061 R)
• M16: 8,206,191 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.6

Radius: 14.9

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.54 AU - 5.82 AU

Year: 6537 Days

Day: 7.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,252,045 km

• M1: 185,352 km (0.119 R)
• M2: 785,090 km (0.086 R)
• M3: 1,311,973 km (0.059 R)
• M4: 2,797,480 km (0.077 R)
• M5: 3,311,798 km (0.12 R)
• M6: 3,816,541 km (0.114 R)
• M7: 4,426,302 km (0.076 R)
• M8: 5,100,689 km (0.082 R)
• M9: 5,810,680 km (0.068 R)
• M10: 6,377,208 km (0.083 R)
• M11: 8,679,070 km (0.063 R)
• M12: 9,243,204 km (0.119 R)
• M13: 11,286,112 km (0.064 R)
• M14: 12,659,121 km (0.1 R)
• M15: 13,557,756 km (0.091 R)
• M16: 15,608,593 km (0.075 R)
• M17: 19,134,615 km (0.105 R)
• M18: 20,545,921 km (0.1 R)
• M19: 22,588,381 km (0.058 R)
• M20: 26,982,669 km (0.058 R)
• M21: 29,622,922 km (0.113 R)
• M22: 31,206,714 km (0.068 R)
• M23: 32,950,577 km (0.098 R)
• M24: 34,434,887 km (0.042 R)
• M25: 37,765,085 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.8

Radius: 9.6

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.51 AU - 6.95 AU

Year: 8856 Days

Day: 11.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,252,045 km

• M1: 119,529 km (0.114 R)
• M2: 451,038 km (0.102 R)
• M3: 1,137,542 km (0.074 R)
• M4: 1,449,753 km (0.057 R)
• M5: 3,183,293 km (0.09 R)
• M6: 3,588,853 km (0.069 R)
• M7: 4,053,055 km (0.106 R)
• M8: 4,823,933 km (0.069 R)
• M9: 8,264,684 km (0.036 R)
• M10: 9,806,440 km (0.11 R)
• M11: 10,809,344 km (0.057 R)
• M12: 11,879,118 km (0.073 R)
• M13: 13,340,989 km (0.03 R)
• M14: 13,724,557 km (0.112 R)
• M15: 15,273,045 km (0.081 R)
• M16: 16,934,778 km (0.067 R)
• M17: 23,820,619 km (0.083 R)
• M18: 25,794,712 km (0.092 R)
• M19: 28,322,766 km (0.05 R)
• M20: 30,347,574 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.3

Radius: 3

Gravity: 78.59 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.72 AU - 7.4 AU

Year: 9632 Days

Day: 20.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,252,045 km

• M1: 37,250 km (0.089 R)
• M2: 1,096,104 km (0.118 R)
• M3: 1,274,275 km (0.113 R)
• M4: 2,061,608 km (0.103 R)
• M5: 2,277,029 km (0.084 R)
• M6: 2,448,319 km (0.072 R)
• M7: 2,881,405 km (0.11 R)
• M8: 3,127,493 km (0.111 R)
• M9: 3,411,879 km (0.11 R)
• M10: 3,535,297 km (0.07 R)
• M11: 4,059,189 km (0.115 R)
• M12: 4,753,921 km (0.093 R)
• M13: 10,286,798 km (0.114 R)
• M14: 11,019,828 km (0.114 R)
• M15: 14,047,838 km (0.112 R)
• M16: 14,493,640 km (0.098 R)
• M17: 14,948,717 km (0.081 R)
• M18: 18,631,966 km (0.096 R)
• M19: 23,850,389 km (0.076 R)
• M20: 25,409,049 km (0.093 R)
• M21: 31,235,736 km (0.104 R)
• M22: 32,764,327 km (0.035 R)
• M23: 33,098,379 km (0.119 R)
• M24: 36,802,871 km (0.114 R)
• M25: 38,014,764 km (0.05 R)
• M26: 38,630,658 km (0.075 R)
• M27: 39,378,348 km (0.1 R)
• M28: 39,504,011 km (0.051 R)
• M29: 42,071,559 km (0.106 R)
• M30: 47,110,613 km (0.106 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 11,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit