🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.8

Radius: 13.1

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.66 AU - 0.98 AU

Year: 513 Days

Day: 6 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,687,429 km

• M1: 162,912 km (0.067 R)
• M2: 647,011 km (0.09 R)
• M3: 1,087,277 km (0.1 R)
• M4: 1,901,539 km (0.111 R)
• M5: 2,466,719 km (0.083 R)
• M6: 2,904,443 km (0.036 R)
• M7: 3,603,364 km (0.113 R)
• M8: 4,096,887 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.1

Radius: 9.7

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.86 AU - 0.96 AU

Year: 599 Days

Day: 10.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,687,429 km

• M1: 120,725 km (0.101 R)
• M2: 439,818 km (0.07 R)
• M3: 1,012,628 km (0.094 R)
• M4: 1,356,703 km (0.099 R)
• M5: 2,010,595 km (0.092 R)
• M6: 2,574,280 km (0.078 R)
• M7: 2,883,200 km (0.061 R)
• M8: 3,205,583 km (0.071 R)
• M9: 4,003,538 km (0.119 R)
• M10: 4,775,164 km (0.068 R)
• M11: 5,474,684 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.5

Radius: 11.7

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.73 AU - 1.09 AU

Year: 599 Days

Day: 11.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,687,429 km

• M1: 145,559 km (0.111 R)
• M2: 511,774 km (0.113 R)
• M3: 976,425 km (0.089 R)
• M4: 1,348,475 km (0.115 R)
• M5: 1,748,350 km (0.067 R)
• M6: 2,154,509 km (0.062 R)
• M7: 2,556,179 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.4

Radius: 10.1

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.79 AU - 1.17 AU

Year: 670 Days

Day: 13.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,687,429 km

• M1: 126,111 km (0.051 R)
• M2: 477,666 km (0.113 R)
• M3: 808,427 km (0.053 R)
• M4: 1,273,227 km (0.041 R)
• M5: 1,648,269 km (0.095 R)
• M6: 2,274,486 km (0.037 R)
• M7: 2,833,982 km (0.042 R)
• M8: 3,361,763 km (0.096 R)
• M9: 3,879,970 km (0.085 R)
• M10: 4,354,345 km (0.071 R)
• M11: 5,588,228 km (0.102 R)
• M12: 6,440,936 km (0.092 R)
• M13: 6,822,710 km (0.095 R)
• M14: 7,469,721 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.1

Radius: 9

Gravity: 11.68 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.81 AU - 2.19 AU

Year: 1952 Days

Day: 9.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,687,429 km

• M1: 111,899 km (0.069 R)
• M2: 877,392 km (0.105 R)
• M3: 2,830,392 km (0.106 R)
• M4: 3,114,628 km (0.102 R)
• M5: 3,815,942 km (0.084 R)
• M6: 4,124,413 km (0.059 R)
• M7: 4,575,900 km (0.086 R)
• M8: 5,174,890 km (0.059 R)
• M9: 5,602,440 km (0.111 R)
• M10: 6,692,560 km (0.095 R)
• M11: 8,486,538 km (0.064 R)
• M12: 8,947,449 km (0.101 R)
• M13: 10,431,011 km (0.05 R)
• M14: 11,270,404 km (0.037 R)
• M15: 12,361,272 km (0.115 R)
• M16: 15,612,632 km (0.102 R)
• M17: 17,121,327 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.9

Radius: 11.5

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.3 AU - 2.5 AU

Year: 2566 Days

Day: 10.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,687,429 km

• M1: 143,315 km (0.078 R)
• M2: 697,425 km (0.109 R)
• M3: 1,196,783 km (0.065 R)
• M4: 1,664,426 km (0.088 R)
• M5: 2,805,409 km (0.101 R)
• M6: 7,776,696 km (0.045 R)
• M7: 9,180,373 km (0.088 R)
• M8: 11,292,395 km (0.107 R)
• M9: 12,999,606 km (0.089 R)
• M10: 17,874,851 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.8

Radius: 15

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.78 AU - 6.22 AU

Year: 8903 Days

Day: 14.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,687,429 km

• M1: 186,848 km (0.101 R)
• M2: 714,779 km (0.105 R)
• M3: 2,487,065 km (0.112 R)
• M4: 4,189,638 km (0.071 R)
• M5: 7,276,740 km (0.115 R)
• M6: 8,121,818 km (0.113 R)
• M7: 8,998,013 km (0.099 R)
• M8: 10,900,748 km (0.109 R)
• M9: 12,296,646 km (0.058 R)
• M10: 13,016,361 km (0.068 R)
• M11: 14,447,265 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.8

Radius: 5.6

Gravity: 23.69 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 8.06 AU - 12.38 AU

Year: 22552 Days

Day: 18.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 84,687,429 km

• M1: 69,862 km (0.084 R)
• M2: 429,346 km (0.092 R)
• M3: 756,816 km (0.092 R)
• M4: 1,112,709 km (0.092 R)
• M5: 1,314,068 km (0.097 R)
• M6: 1,556,865 km (0.104 R)
• M7: 1,735,186 km (0.067 R)
• M8: 1,987,557 km (0.061 R)
• M9: 2,286,454 km (0.114 R)
• M10: 2,639,654 km (0.107 R)
• M11: 3,855,287 km (0.112 R)
• M12: 4,496,314 km (0.088 R)
• M13: 4,861,033 km (0.091 R)
• M14: 5,444,615 km (0.082 R)
• M15: 7,780,436 km (0.058 R)
• M16: 8,468,137 km (0.112 R)
• M17: 9,253,376 km (0.077 R)
• M18: 10,270,642 km (0.088 R)
• M19: 13,767,492 km (0.119 R)
• M20: 16,923,558 km (0.118 R)
• M21: 21,328,916 km (0.026 R)
• M22: 23,200,685 km (0.046 R)
• M23: 25,066,470 km (0.057 R)
• M24: 26,209,397 km (0.094 R)
• M25: 27,988,415 km (0.112 R)
• M26: 28,231,512 km (0.085 R)
• M27: 32,049,549 km (0.108 R)
• M28: 37,361,619 km (0.072 R)
• M29: 43,394,004 km (0.069 R)
• M30: 43,719,679 km (0.088 R)
• M31: 53,329,995 km (0.092 R)
• M32: 55,790,731 km (0.097 R)
• M33: 56,175,945 km (0.099 R)
• M34: 56,756,983 km (0.082 R)
• M35: 57,734,306 km (0.041 R)
• M36: 64,891,966 km (0.099 R)
• M37: 69,236,288 km (0.083 R)
• M38: 75,638,030 km (0.068 R)
• M39: 76,821,349 km (0.073 R)
• M40: 79,955,275 km (0.112 R)
• M41: 84,687,355 km (0.098 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 10,586 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit