🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.3

Radius: 12.6

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.59 AU - 0.67 AU

Year: 345 Days

Day: 11.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 37,899,128 km

• M1: 185,801 km (0.087 R)
• M2: 896,989 km (0.108 R)
• M3: 1,285,046 km (0.116 R)
• M4: 1,744,461 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.9

Radius: 12.2

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.66 AU - 0.68 AU

Year: 379 Days

Day: 8 Hours

Environment

Temp: -163 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,899,128 km

• M1: 352,303 km (0.069 R)
• M2: 755,918 km (0.089 R)
• M3: 1,026,690 km (0.11 R)
• M4: 1,376,450 km (0.084 R)
• M5: 1,734,737 km (0.09 R)
• M6: 2,047,247 km (0.079 R)
• M7: 2,473,900 km (0.062 R)
• M8: 2,820,668 km (0.12 R)
• M9: 3,100,266 km (0.057 R)
• M10: 3,457,207 km (0.04 R)
• M11: 4,118,130 km (0.053 R)
• M12: 4,678,973 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.5

Radius: 9.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.27 AU - 1.81 AU

Year: 1319 Days

Day: 11.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,899,128 km

• M1: 117,135 km (0.101 R)
• M2: 335,249 km (0.117 R)
• M3: 602,431 km (0.076 R)
• M4: 821,741 km (0.097 R)
• M5: 1,212,341 km (0.094 R)
• M6: 1,504,955 km (0.062 R)
• M7: 1,781,262 km (0.055 R)
• M8: 2,426,029 km (0.097 R)
• M9: 2,742,428 km (0.029 R)
• M10: 2,993,005 km (0.108 R)
• M11: 3,518,093 km (0.085 R)
• M12: 3,824,021 km (0.085 R)
• M13: 4,347,763 km (0.119 R)
• M14: 5,512,083 km (0.074 R)
• M15: 5,949,657 km (0.116 R)
• M16: 7,066,405 km (0.04 R)
• M17: 7,455,359 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.8

Radius: 8.8

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.39 AU - 1.69 AU

Year: 1319 Days

Day: 12.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,899,128 km

• M1: 112,198 km (0.112 R)
• M2: 372,798 km (0.089 R)
• M3: 699,370 km (0.083 R)
• M4: 1,365,380 km (0.099 R)
• M5: 1,777,971 km (0.08 R)
• M6: 1,953,748 km (0.096 R)
• M7: 2,158,248 km (0.105 R)
• M8: 2,599,562 km (0.112 R)
• M9: 2,917,607 km (0.112 R)
• M10: 3,796,495 km (0.11 R)
• M11: 4,280,593 km (0.112 R)
• M12: 5,211,541 km (0.072 R)
• M13: 6,569,142 km (0.091 R)
• M14: 6,892,423 km (0.1 R)
• M15: 7,112,481 km (0.103 R)
• M16: 7,735,556 km (0.075 R)
• M17: 8,185,397 km (0.112 R)
• M18: 8,709,588 km (0.102 R)
• M19: 8,977,817 km (0.033 R)
• M20: 12,151,985 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.3

Radius: 13.9

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.82 AU - 2.78 AU

Year: 2408 Days

Day: 12.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,899,128 km

• M1: 192,084 km (0.119 R)
• M2: 710,739 km (0.098 R)
• M3: 1,028,186 km (0.116 R)
• M4: 1,607,728 km (0.079 R)
• M5: 1,872,666 km (0.089 R)
• M6: 2,360,206 km (0.107 R)
• M7: 2,736,743 km (0.063 R)
• M8: 3,624,607 km (0.09 R)
• M9: 4,575,600 km (0.087 R)
• M10: 4,941,966 km (0.067 R)
• M11: 5,951,302 km (0.12 R)
• M12: 6,410,568 km (0.1 R)
• M13: 7,273,000 km (0.117 R)
• M14: 7,713,865 km (0.075 R)
• M15: 9,214,032 km (0.057 R)
• M16: 9,913,103 km (0.045 R)
• M17: 11,334,731 km (0.07 R)
• M18: 11,885,850 km (0.11 R)
• M19: 12,194,620 km (0.098 R)
• M20: 13,321,690 km (0.097 R)
• M21: 13,798,758 km (0.062 R)
• M22: 14,101,245 km (0.048 R)
• M23: 14,530,292 km (0.103 R)
• M24: 14,903,089 km (0.101 R)
• M25: 15,503,276 km (0.101 R)
• M26: 16,082,968 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.9

Radius: 8.2

Gravity: 13.38 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.53 AU - 3.61 AU

Year: 4656 Days

Day: 13.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,899,128 km

• M1: 103,522 km (0.11 R)
• M2: 1,272,928 km (0.119 R)
• M3: 2,837,572 km (0.062 R)
• M4: 3,757,151 km (0.091 R)
• M5: 4,266,830 km (0.088 R)
• M6: 4,498,857 km (0.082 R)
• M7: 4,809,871 km (0.075 R)
• M8: 5,699,978 km (0.104 R)
• M9: 6,666,979 km (0.096 R)
• M10: 6,869,684 km (0.119 R)
• M11: 8,182,106 km (0.099 R)
• M12: 8,342,325 km (0.104 R)
• M13: 9,541,801 km (0.119 R)
• M14: 10,786,156 km (0.049 R)
• M15: 11,342,959 km (0.119 R)
• M16: 12,146,300 km (0.089 R)
• M17: 13,877,895 km (0.032 R)
• M18: 14,297,218 km (0.042 R)
• M19: 16,262,037 km (0.12 R)
• M20: 17,222,455 km (0.094 R)
• M21: 17,548,728 km (0.104 R)
• M22: 25,337,990 km (0.076 R)
• M23: 29,435,027 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.4

Radius: 12.6

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.6 AU - 4.1 AU

Year: 5214 Days

Day: 10.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,899,128 km

• M1: 204,500 km (0.1 R)
• M2: 579,542 km (0.059 R)
• M3: 940,223 km (0.066 R)
• M4: 1,423,573 km (0.082 R)
• M5: 1,978,133 km (0.073 R)
• M6: 3,368,645 km (0.105 R)
• M7: 4,582,033 km (0.031 R)
• M8: 5,676,940 km (0.108 R)
• M9: 6,864,448 km (0.116 R)
• M10: 9,856,705 km (0.077 R)
• M11: 10,096,360 km (0.099 R)
• M12: 12,385,357 km (0.092 R)
• M13: 13,558,803 km (0.093 R)
• M14: 15,979,446 km (0.096 R)
• M15: 17,174,883 km (0.053 R)
• M16: 20,526,174 km (0.051 R)
• M17: 21,022,390 km (0.064 R)
• M18: 21,373,347 km (0.115 R)
• M19: 23,171,663 km (0.055 R)
• M20: 23,645,888 km (0.086 R)
• M21: 25,701,662 km (0.026 R)
• M22: 27,499,679 km (0.096 R)
• M23: 27,958,645 km (0.107 R)
• M24: 28,363,457 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.8

Radius: 14.1

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.8 AU - 5.5 AU

Year: 6921 Days

Day: 13.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,899,128 km

• M1: 207,043 km (0.109 R)
• M2: 552,615 km (0.099 R)
• M3: 1,153,250 km (0.115 R)
• M4: 2,051,286 km (0.102 R)
• M5: 2,589,988 km (0.064 R)
• M6: 3,661,557 km (0.104 R)
• M7: 3,942,353 km (0.098 R)
• M8: 4,333,402 km (0.117 R)
• M9: 5,796,020 km (0.069 R)
• M10: 6,332,478 km (0.073 R)
• M11: 7,021,376 km (0.107 R)
• M12: 8,579,587 km (0.064 R)
• M13: 9,568,579 km (0.12 R)
• M14: 9,910,560 km (0.101 R)
• M15: 11,837,081 km (0.061 R)
• M16: 12,517,901 km (0.118 R)
• M17: 12,953,231 km (0.098 R)
• M18: 18,292,229 km (0.084 R)
• M19: 20,223,239 km (0.062 R)
• M20: 22,774,780 km (0.093 R)
• M21: 24,318,630 km (0.048 R)
• M22: 27,623,546 km (0.106 R)
• M23: 28,401,156 km (0.107 R)
• M24: 32,035,337 km (0.118 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 15,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit