🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309

Radius: 11.8

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.46 AU - 0.64 AU

Year: 287 Days

Day: 15 Hours

Environment

Temp: -145 °C

Axial Tilt: 73.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,687,263 km

• M1: 146,905 km (0.106 R)
• M2: 556,354 km (0.103 R)
• M3: 975,079 km (0.086 R)
• M4: 1,429,258 km (0.108 R)
• M5: 1,911,861 km (0.09 R)
• M6: 2,502,473 km (0.088 R)
• M7: 3,009,311 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.6

Radius: 13.4

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.63 AU - 0.77 AU

Year: 412 Days

Day: 13.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 23,687,263 km

• M1: 166,951 km (0.093 R)
• M2: 671,694 km (0.102 R)
• M3: 1,516,922 km (0.054 R)
• M4: 1,968,409 km (0.099 R)
• M5: 3,120,312 km (0.092 R)
• M6: 4,014,010 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.5

Radius: 8.4

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.87 AU - 1.03 AU

Year: 651 Days

Day: 6 Hours

Environment

Temp: -174 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,687,263 km

• M1: 104,569 km (0.12 R)
• M2: 394,041 km (0.111 R)
• M3: 815,757 km (0.12 R)
• M4: 1,259,315 km (0.109 R)
• M5: 1,587,832 km (0.109 R)
• M6: 2,024,807 km (0.046 R)
• M7: 2,420,643 km (0.044 R)
• M8: 2,911,773 km (0.076 R)
• M9: 3,210,969 km (0.119 R)
• M10: 3,844,964 km (0.088 R)
• M11: 4,120,973 km (0.047 R)
• M12: 4,395,335 km (0.083 R)
• M13: 5,377,146 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.3

Radius: 14.9

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.33 AU - 1.87 AU

Year: 1423 Days

Day: 6.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,687,263 km

• M1: 185,352 km (0.082 R)
• M2: 721,959 km (0.075 R)
• M3: 1,279,959 km (0.109 R)
• M4: 1,968,409 km (0.12 R)
• M5: 4,858,191 km (0.074 R)
• M6: 5,624,132 km (0.106 R)
• M7: 6,844,252 km (0.075 R)
• M8: 7,493,507 km (0.114 R)
• M9: 9,242,904 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.9

Radius: 13.8

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.73 AU - 2.29 AU

Year: 2003 Days

Day: 10.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,687,263 km

• M1: 172,187 km (0.102 R)
• M2: 625,319 km (0.052 R)
• M3: 1,625,830 km (0.108 R)
• M4: 2,385,936 km (0.118 R)
• M5: 3,043,569 km (0.086 R)
• M6: 3,876,081 km (0.066 R)
• M7: 4,326,370 km (0.048 R)
• M8: 5,286,789 km (0.083 R)
• M9: 5,943,823 km (0.069 R)
• M10: 7,304,415 km (0.117 R)
• M11: 7,996,156 km (0.116 R)
• M12: 8,896,885 km (0.1 R)
• M13: 9,441,271 km (0.072 R)
• M14: 11,524,571 km (0.091 R)
• M15: 13,059,445 km (0.037 R)
• M16: 15,345,151 km (0.085 R)
• M17: 17,620,086 km (0.115 R)
• M18: 18,100,744 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.8

Radius: 12.7

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.22 AU - 3.68 AU

Year: 4504 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,687,263 km

• M1: 157,975 km (0.112 R)
• M2: 857,046 km (0.111 R)
• M3: 1,253,630 km (0.115 R)
• M4: 1,716,486 km (0.109 R)
• M5: 2,339,112 km (0.066 R)
• M6: 2,910,576 km (0.079 R)
• M7: 3,697,461 km (0.073 R)
• M8: 5,472,589 km (0.038 R)
• M9: 6,703,630 km (0.096 R)
• M10: 8,584,973 km (0.103 R)
• M11: 10,453,002 km (0.075 R)
• M12: 11,732,961 km (0.057 R)
• M13: 12,918,075 km (0.079 R)
• M14: 14,978,038 km (0.111 R)
• M15: 16,257,100 km (0.105 R)
• M16: 16,952,880 km (0.12 R)
• M17: 18,779,021 km (0.092 R)
• M18: 20,001,535 km (0.095 R)
• M19: 21,276,258 km (0.109 R)
• M20: 21,829,022 km (0.062 R)
• M21: 23,035,230 km (0.097 R)
• M22: 24,586,111 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.4

Radius: 3

Gravity: 70.49 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6 AU - 7.6 AU

Year: 12464 Days

Day: 20.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 23,687,263 km

• M1: 37,549 km (0.103 R)
• M2: 148,102 km (0.092 R)
• M3: 327,171 km (0.11 R)
• M4: 559,945 km (0.104 R)
• M5: 686,654 km (0.089 R)
• M6: 803,640 km (0.107 R)
• M7: 944,561 km (0.067 R)
• M8: 1,186,610 km (0.114 R)
• M9: 2,070,285 km (0.057 R)
• M10: 2,238,583 km (0.029 R)
• M11: 2,821,117 km (0.103 R)
• M12: 3,791,558 km (0.089 R)
• M13: 4,427,349 km (0.042 R)
• M14: 5,097,547 km (0.052 R)
• M15: 5,300,851 km (0.109 R)
• M16: 5,509,540 km (0.105 R)
• M17: 6,516,932 km (0.038 R)
• M18: 7,001,629 km (0.08 R)
• M19: 7,862,266 km (0.091 R)
• M20: 8,458,114 km (0.104 R)
• M21: 8,887,759 km (0.078 R)
• M22: 10,264,209 km (0.103 R)
• M23: 10,371,471 km (0.116 R)
• M24: 10,533,784 km (0.1 R)
• M25: 11,485,676 km (0.1 R)
• M26: 12,071,651 km (0.082 R)
• M27: 14,413,306 km (0.069 R)
• M28: 14,887,980 km (0.102 R)
• M29: 15,025,461 km (0.11 R)
• M30: 16,156,271 km (0.107 R)
• M31: 16,520,841 km (0.027 R)
• M32: 18,426,867 km (0.069 R)
• M33: 18,585,441 km (0.064 R)
• M34: 22,850,626 km (0.072 R)
• M35: 23,217,590 km (0.045 R)
• M36: 33,012,959 km (0.1 R)
• M37: 35,892,718 km (0.059 R)
• M38: 36,638,015 km (0.105 R)
• M39: 39,458,832 km (0.112 R)
• M40: 42,974,980 km (0.087 R)
• M41: 44,381,200 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16

Radius: 4.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.11 AU - 12.19 AU

Year: 22730 Days

Day: 17.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,687,263 km

• M1: 65,524 km (0.083 R)
• M2: 352,453 km (0.068 R)
• M3: 1,600,398 km (0.116 R)
• M4: 1,754,933 km (0.053 R)
• M5: 2,650,874 km (0.069 R)
• M6: 3,473,363 km (0.062 R)
• M7: 8,948,496 km (0.027 R)
• M8: 15,886,247 km (0.117 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 11,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit