🌌 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: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.4

Radius: 12.4

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.46 AU - 0.66 AU

Year: 289 Days

Day: 13.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,278,577 km

• M1: 154,235 km (0.098 R)
• M2: 555,756 km (0.115 R)
• M3: 1,104,481 km (0.065 R)
• M4: 1,491,192 km (0.119 R)
• M5: 1,948,363 km (0.085 R)
• M6: 2,429,619 km (0.036 R)
• M7: 3,132,729 km (0.118 R)
• M8: 3,521,683 km (0.117 R)
• M9: 3,918,866 km (0.05 R)
• M10: 4,307,072 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.7

Radius: 11.4

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.59 AU - 1.73 AU

Year: 1476 Days

Day: 9.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,278,577 km

• M1: 143,315 km (0.096 R)
• M2: 636,090 km (0.078 R)
• M3: 1,129,614 km (0.073 R)
• M4: 1,915,601 km (0.105 R)
• M5: 2,334,325 km (0.108 R)
• M6: 2,882,452 km (0.095 R)
• M7: 3,269,312 km (0.096 R)
• M8: 4,346,267 km (0.092 R)
• M9: 6,909,776 km (0.109 R)
• M10: 7,933,773 km (0.11 R)
• M11: 10,216,338 km (0.065 R)
• M12: 12,010,615 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.1

Radius: 8.4

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.22 AU - 3.18 AU

Year: 3062 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,278,577 km

• M1: 104,419 km (0.112 R)
• M2: 648,507 km (0.098 R)
• M3: 921,822 km (0.055 R)
• M4: 1,283,550 km (0.094 R)
• M5: 1,568,683 km (0.112 R)
• M6: 1,859,352 km (0.119 R)
• M7: 2,905,041 km (0.097 R)
• M8: 3,957,761 km (0.103 R)
• M9: 4,411,940 km (0.1 R)
• M10: 5,046,385 km (0.072 R)
• M11: 5,713,591 km (0.12 R)
• M12: 6,732,951 km (0.092 R)
• M13: 8,552,510 km (0.104 R)
• M14: 9,499,764 km (0.12 R)
• M15: 13,752,233 km (0.06 R)
• M16: 14,946,922 km (0.119 R)
• M17: 15,256,140 km (0.117 R)
• M18: 16,590,703 km (0.116 R)
• M19: 17,541,697 km (0.087 R)
• M20: 20,233,710 km (0.117 R)
• M21: 20,867,257 km (0.073 R)
• M22: 21,189,042 km (0.053 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.5

Radius: 3.2

Gravity: 90.77 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.19 AU - 7.23 AU

Year: 10682 Days

Day: 19.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,278,577 km

• M1: 41,439 km (0.116 R)
• M2: 271,071 km (0.089 R)
• M3: 531,222 km (0.069 R)
• M4: 796,309 km (0.098 R)
• M5: 1,924,427 km (0.109 R)
• M6: 2,123,093 km (0.026 R)
• M7: 2,395,361 km (0.109 R)
• M8: 3,056,434 km (0.068 R)
• M9: 4,000,247 km (0.095 R)
• M10: 4,293,608 km (0.108 R)
• M11: 5,468,700 km (0.102 R)
• M12: 5,647,170 km (0.101 R)
• M13: 6,842,457 km (0.107 R)
• M14: 7,218,696 km (0.085 R)
• M15: 7,477,051 km (0.084 R)
• M16: 8,620,577 km (0.048 R)
• M17: 9,823,344 km (0.079 R)
• M18: 10,410,217 km (0.081 R)
• M19: 12,617,384 km (0.053 R)
• M20: 12,741,550 km (0.114 R)
• M21: 13,763,902 km (0.112 R)
• M22: 14,027,942 km (0.096 R)
• M23: 16,262,037 km (0.093 R)
• M24: 17,081,683 km (0.114 R)
• M25: 18,802,956 km (0.052 R)
• M26: 20,040,580 km (0.097 R)
• M27: 22,768,497 km (0.12 R)
• M28: 24,945,146 km (0.091 R)
• M29: 27,153,360 km (0.11 R)
• M30: 33,000,393 km (0.099 R)
• M31: 33,118,126 km (0.08 R)
• M32: 35,903,489 km (0.116 R)
• M33: 36,655,069 km (0.084 R)
• M34: 37,161,757 km (0.115 R)
• M35: 41,797,047 km (0.048 R)
• M36: 46,654,490 km (0.078 R)
• M37: 47,399,188 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.9

Radius: 4.3

Gravity: 43.96 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.11 AU - 8.35 AU

Year: 16297 Days

Day: 18.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 70,278,577 km

• M1: 53,706 km (0.113 R)
• M2: 214,972 km (0.09 R)
• M3: 368,908 km (0.059 R)
• M4: 520,152 km (0.087 R)
• M5: 1,024,297 km (0.079 R)
• M6: 1,578,557 km (0.102 R)
• M7: 1,893,311 km (0.073 R)
• M8: 2,887,239 km (0.072 R)
• M9: 3,786,472 km (0.06 R)
• M10: 4,155,380 km (0.108 R)
• M11: 4,381,422 km (0.101 R)
• M12: 4,547,925 km (0.074 R)
• M13: 4,823,035 km (0.085 R)
• M14: 6,200,233 km (0.077 R)
• M15: 6,495,540 km (0.047 R)
• M16: 7,868,399 km (0.082 R)
• M17: 8,468,137 km (0.06 R)
• M18: 9,097,645 km (0.119 R)
• M19: 9,757,820 km (0.078 R)
• M20: 9,927,614 km (0.07 R)
• M21: 13,403,969 km (0.074 R)
• M22: 14,402,984 km (0.092 R)
• M23: 14,697,392 km (0.052 R)
• M24: 15,527,511 km (0.116 R)
• M25: 15,837,029 km (0.06 R)
• M26: 17,696,830 km (0.038 R)
• M27: 19,517,585 km (0.1 R)
• M28: 25,722,606 km (0.067 R)
• M29: 28,165,689 km (0.062 R)
• M30: 32,364,003 km (0.111 R)
• M31: 37,512,414 km (0.049 R)
• M32: 39,629,523 km (0.097 R)
• M33: 43,180,528 km (0.111 R)
• M34: 52,278,322 km (0.107 R)
• M35: 55,813,769 km (0.106 R)
• M36: 56,539,468 km (0.111 R)
• M37: 57,639,910 km (0.103 R)
• M38: 60,643,835 km (0.09 R)
• M39: 66,554,297 km (0.114 R)
• M40: 68,192,843 km (0.059 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 16,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit