🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.3

Radius: 8.1

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.72 AU - 1.04 AU

Year: 580 Days

Day: 8.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,431,625 km

• M1: 100,679 km (0.091 R)
• M2: 370,404 km (0.069 R)
• M3: 835,355 km (0.099 R)
• M4: 1,165,367 km (0.103 R)
• M5: 1,489,845 km (0.102 R)
• M6: 1,974,094 km (0.118 R)
• M7: 2,249,054 km (0.103 R)
• M8: 2,641,599 km (0.105 R)
• M9: 2,943,189 km (0.086 R)
• M10: 3,231,912 km (0.106 R)
• M11: 3,590,498 km (0.08 R)
• M12: 3,975,414 km (0.09 R)
• M13: 4,387,706 km (0.108 R)
• M14: 4,734,773 km (0.069 R)
• M15: 5,100,091 km (0.063 R)
• M16: 5,449,850 km (0.105 R)
• M17: 5,851,371 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.9

Radius: 13.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.8 AU - 1.14 AU

Year: 672 Days

Day: 6.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,431,625 km

• M1: 171,589 km (0.083 R)
• M2: 667,805 km (0.097 R)
• M3: 1,273,078 km (0.119 R)
• M4: 2,305,752 km (0.071 R)
• M5: 2,819,621 km (0.109 R)
• M6: 3,435,964 km (0.117 R)
• M7: 4,126,508 km (0.04 R)
• M8: 4,599,985 km (0.111 R)
• M9: 5,042,047 km (0.108 R)
• M10: 5,974,191 km (0.098 R)
• M11: 6,522,168 km (0.099 R)
• M12: 7,146,290 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.7

Radius: 11.3

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.29 AU - 1.61 AU

Year: 1227 Days

Day: 8.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,431,625 km

• M1: 140,472 km (0.066 R)
• M2: 494,271 km (0.082 R)
• M3: 1,092,663 km (0.045 R)
• M4: 1,652,458 km (0.054 R)
• M5: 2,142,541 km (0.116 R)
• M6: 2,899,656 km (0.073 R)
• M7: 3,315,238 km (0.12 R)
• M8: 4,013,860 km (0.091 R)
• M9: 4,516,509 km (0.068 R)
• M10: 5,411,853 km (0.091 R)
• M11: 6,143,386 km (0.093 R)
• M12: 6,543,411 km (0.054 R)
• M13: 6,918,303 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.2

Radius: 14.1

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.01 AU - 3.21 AU

Year: 2964 Days

Day: 10.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,431,625 km

• M1: 181,761 km (0.035 R)
• M2: 841,787 km (0.087 R)
• M3: 1,284,896 km (0.065 R)
• M4: 1,821,952 km (0.102 R)
• M5: 2,302,162 km (0.111 R)
• M6: 2,930,622 km (0.029 R)
• M7: 3,453,467 km (0.085 R)
• M8: 4,471,780 km (0.092 R)
• M9: 5,005,545 km (0.089 R)
• M10: 5,556,813 km (0.111 R)
• M11: 6,364,043 km (0.075 R)
• M12: 8,051,806 km (0.11 R)
• M13: 8,709,738 km (0.095 R)
• M14: 9,618,395 km (0.065 R)
• M15: 10,666,627 km (0.057 R)
• M16: 12,082,571 km (0.109 R)
• M17: 12,595,991 km (0.12 R)
• M18: 13,213,232 km (0.085 R)
• M19: 14,083,144 km (0.066 R)
• M20: 15,334,979 km (0.093 R)
• M21: 19,304,558 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.6

Radius: 13.1

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.9 AU - 3.74 AU

Year: 4252 Days

Day: 13 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,431,625 km

• M1: 163,062 km (0.085 R)
• M2: 583,432 km (0.088 R)
• M3: 1,147,715 km (0.12 R)
• M4: 1,710,502 km (0.086 R)
• M5: 3,065,111 km (0.11 R)
• M6: 3,817,139 km (0.082 R)
• M7: 5,172,795 km (0.038 R)
• M8: 6,607,439 km (0.11 R)
• M9: 7,350,342 km (0.084 R)
• M10: 8,926,505 km (0.108 R)
• M11: 10,891,623 km (0.095 R)
• M12: 11,652,328 km (0.052 R)
• M13: 13,633,153 km (0.11 R)
• M14: 14,096,458 km (0.094 R)
• M15: 15,438,799 km (0.071 R)
• M16: 16,456,813 km (0.093 R)
• M17: 18,252,436 km (0.074 R)
• M18: 18,689,561 km (0.099 R)

Asteroid Belt

Center: 3.97 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.5

Radius: 8.7

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.5 AU - 4.74 AU

Year: 6980 Days

Day: 11.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,431,625 km

• M1: 108,309 km (0.115 R)
• M2: 532,120 km (0.116 R)
• M3: 1,047,335 km (0.047 R)
• M4: 2,551,242 km (0.114 R)
• M5: 4,135,334 km (0.063 R)
• M6: 4,622,275 km (0.063 R)
• M7: 5,559,954 km (0.092 R)
• M8: 6,703,929 km (0.079 R)
• M9: 7,559,330 km (0.12 R)
• M10: 7,965,638 km (0.118 R)
• M11: 8,485,790 km (0.096 R)
• M12: 9,272,824 km (0.098 R)
• M13: 10,952,210 km (0.099 R)
• M14: 11,270,704 km (0.085 R)
• M15: 12,563,977 km (0.102 R)
• M16: 15,641,953 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.6

Radius: 7.5

Gravity: 15.44 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.67 AU - 9.95 AU

Year: 16839 Days

Day: 24.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,431,625 km

• M1: 106,813 km (0.115 R)
• M2: 388,057 km (0.095 R)
• M3: 801,994 km (0.096 R)
• M4: 1,685,968 km (0.115 R)
• M5: 2,634,119 km (0.104 R)
• M6: 2,950,369 km (0.045 R)
• M7: 3,486,528 km (0.117 R)
• M8: 4,443,655 km (0.107 R)
• M9: 5,334,959 km (0.079 R)
• M10: 5,924,225 km (0.087 R)
• M11: 6,599,660 km (0.045 R)
• M12: 8,934,434 km (0.036 R)
• M13: 9,482,411 km (0.118 R)
• M14: 10,766,260 km (0.115 R)
• M15: 12,428,591 km (0.063 R)
• M16: 12,972,679 km (0.086 R)
• M17: 13,675,041 km (0.078 R)
• M18: 15,541,573 km (0.084 R)
• M19: 16,173,175 km (0.041 R)
• M20: 18,084,288 km (0.085 R)
• M21: 22,950,258 km (0.09 R)
• M22: 31,655,807 km (0.025 R)
• M23: 33,967,543 km (0.09 R)
• M24: 34,762,506 km (0.059 R)
• M25: 35,299,263 km (0.113 R)
• M26: 36,114,871 km (0.048 R)
• M27: 36,803,919 km (0.119 R)
• M28: 43,251,437 km (0.044 R)
• M29: 43,872,418 km (0.09 R)
• M30: 49,392,879 km (0.025 R)
• M31: 57,200,990 km (0.112 R)
• M32: 61,201,536 km (0.096 R)
• M33: 63,569,371 km (0.112 R)
• M34: 65,181,288 km (0.038 R)
• M35: 71,685,504 km (0.12 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: 363 - 16,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit