🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.3

Radius: 8.5

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.75 AU - 1.09 AU

Year: 579 Days

Day: 8.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,550,775 km

• M1: 105,766 km (0.119 R)
• M2: 558,299 km (0.074 R)
• M3: 877,840 km (0.11 R)
• M4: 1,203,515 km (0.09 R)
• M5: 1,649,017 km (0.112 R)
• M6: 3,037,585 km (0.083 R)
• M7: 4,012,364 km (0.092 R)
• M8: 4,452,781 km (0.101 R)
• M9: 5,305,488 km (0.117 R)
• M10: 6,223,421 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.2

Radius: 12.4

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.87 AU - 2.53 AU

Year: 2141 Days

Day: 7.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,550,775 km

• M1: 167,550 km (0.049 R)
• M2: 626,965 km (0.079 R)
• M3: 1,444,218 km (0.096 R)
• M4: 2,280,171 km (0.111 R)
• M5: 3,499,393 km (0.09 R)
• M6: 6,410,418 km (0.059 R)
• M7: 7,568,904 km (0.036 R)
• M8: 8,153,234 km (0.078 R)
• M9: 8,673,535 km (0.096 R)
• M10: 9,916,693 km (0.105 R)
• M11: 14,272,086 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.4

Radius: 13.4

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.38 AU - 3.8 AU

Year: 3563 Days

Day: 14.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,550,775 km

• M1: 167,550 km (0.098 R)
• M2: 602,431 km (0.085 R)
• M3: 1,108,670 km (0.095 R)
• M4: 1,558,511 km (0.092 R)
• M5: 2,118,904 km (0.105 R)
• M6: 2,581,461 km (0.111 R)
• M7: 3,452,868 km (0.106 R)
• M8: 6,327,840 km (0.111 R)
• M9: 7,008,361 km (0.052 R)
• M10: 9,000,705 km (0.106 R)
• M11: 10,565,798 km (0.026 R)
• M12: 11,933,871 km (0.063 R)
• M13: 12,399,569 km (0.118 R)
• M14: 17,749,039 km (0.041 R)
• M15: 19,549,300 km (0.082 R)
• M16: 21,950,196 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.8

Radius: 9.3

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.49 AU - 3.99 AU

Year: 4745 Days

Day: 11.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,550,775 km

• M1: 115,639 km (0.052 R)
• M2: 479,312 km (0.062 R)
• M3: 778,807 km (0.063 R)
• M4: 1,588,729 km (0.101 R)
• M5: 2,117,259 km (0.087 R)
• M6: 3,307,011 km (0.055 R)
• M7: 3,796,046 km (0.119 R)
• M8: 4,498,707 km (0.115 R)
• M9: 5,754,282 km (0.068 R)
• M10: 6,131,269 km (0.042 R)
• M11: 6,524,861 km (0.086 R)
• M12: 7,362,609 km (0.081 R)
• M13: 8,306,721 km (0.053 R)
• M14: 10,349,330 km (0.104 R)
• M15: 12,133,135 km (0.108 R)
• M16: 12,561,284 km (0.106 R)
• M17: 13,447,502 km (0.027 R)
• M18: 14,061,153 km (0.066 R)
• M19: 14,375,009 km (0.049 R)
• M20: 16,299,436 km (0.098 R)
• M21: 17,293,663 km (0.112 R)
• M22: 17,775,219 km (0.082 R)
• M23: 18,203,966 km (0.039 R)
• M24: 18,639,446 km (0.104 R)
• M25: 18,954,948 km (0.12 R)
• M26: 19,856,873 km (0.049 R)
• M27: 21,746,594 km (0.08 R)
• M28: 22,449,554 km (0.114 R)
• M29: 24,049,503 km (0.116 R)
• M30: 25,491,178 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.9

Radius: 10.5

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.57 AU - 5.01 AU

Year: 6877 Days

Day: 10 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,550,775 km

• M1: 133,591 km (0.061 R)
• M2: 526,884 km (0.086 R)
• M3: 869,912 km (0.116 R)
• M4: 1,197,381 km (0.108 R)
• M5: 1,622,090 km (0.069 R)
• M6: 2,178,295 km (0.069 R)
• M7: 2,838,919 km (0.066 R)
• M8: 3,906,150 km (0.112 R)
• M9: 4,637,384 km (0.116 R)
• M10: 5,338,998 km (0.077 R)
• M11: 6,077,563 km (0.114 R)
• M12: 6,778,579 km (0.079 R)
• M13: 7,495,302 km (0.064 R)
• M14: 7,872,289 km (0.059 R)
• M15: 11,020,726 km (0.088 R)
• M16: 13,114,946 km (0.095 R)
• M17: 13,887,170 km (0.098 R)
• M18: 15,101,905 km (0.078 R)
• M19: 18,824,199 km (0.046 R)
• M20: 20,602,320 km (0.061 R)
• M21: 23,117,209 km (0.108 R)
• M22: 23,999,238 km (0.103 R)
• M23: 24,654,627 km (0.075 R)
• M24: 27,219,033 km (0.11 R)
• M25: 30,620,590 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.2

Radius: 13.6

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.61 AU - 5.59 AU

Year: 7556 Days

Day: 13.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,550,775 km

• M1: 169,644 km (0.104 R)
• M2: 796,010 km (0.108 R)
• M3: 1,534,725 km (0.06 R)
• M4: 2,311,138 km (0.077 R)
• M5: 3,890,741 km (0.084 R)
• M6: 5,030,976 km (0.081 R)
• M7: 5,500,265 km (0.096 R)
• M8: 6,136,654 km (0.086 R)
• M9: 6,747,313 km (0.076 R)
• M10: 9,050,970 km (0.099 R)
• M11: 12,959,364 km (0.107 R)
• M12: 15,090,386 km (0.116 R)
• M13: 17,587,474 km (0.067 R)
• M14: 18,453,346 km (0.042 R)
• M15: 23,130,224 km (0.1 R)
• M16: 26,156,290 km (0.116 R)
• M17: 27,475,893 km (0.059 R)
• M18: 29,437,271 km (0.11 R)
• M19: 33,091,797 km (0.057 R)
• M20: 43,466,110 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.6

Radius: 7.3

Gravity: 17.05 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 9.35 AU - 10.39 AU

Year: 20342 Days

Day: 21.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 84,550,775 km

• M1: 95,743 km (0.111 R)
• M2: 353,649 km (0.112 R)
• M3: 660,923 km (0.119 R)
• M4: 907,012 km (0.093 R)
• M5: 1,172,997 km (0.053 R)
• M6: 1,885,831 km (0.118 R)
• M7: 3,743,088 km (0.106 R)
• M8: 4,097,336 km (0.099 R)
• M9: 4,438,718 km (0.057 R)
• M10: 5,256,570 km (0.114 R)
• M11: 6,127,379 km (0.07 R)
• M12: 7,042,918 km (0.085 R)
• M13: 7,583,714 km (0.092 R)
• M14: 8,915,734 km (0.114 R)
• M15: 11,163,143 km (0.119 R)
• M16: 12,035,149 km (0.101 R)
• M17: 14,219,577 km (0.109 R)
• M18: 15,082,757 km (0.116 R)
• M19: 17,086,620 km (0.095 R)
• M20: 18,061,849 km (0.1 R)
• M21: 22,024,547 km (0.089 R)
• M22: 22,439,681 km (0.102 R)
• M23: 26,181,871 km (0.105 R)
• M24: 28,078,623 km (0.103 R)
• M25: 30,576,159 km (0.11 R)
• M26: 32,010,952 km (0.071 R)
• M27: 36,151,672 km (0.105 R)
• M28: 40,480,585 km (0.068 R)
• M29: 51,594,510 km (0.081 R)
• M30: 56,092,320 km (0.044 R)
• M31: 58,238,601 km (0.079 R)
• M32: 58,634,586 km (0.027 R)
• M33: 62,901,716 km (0.1 R)
• M34: 66,936,969 km (0.094 R)
• M35: 68,466,009 km (0.047 R)
• M36: 78,614,429 km (0.107 R)
• M37: 80,561,146 km (0.118 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: 174 - 11,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit