🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.4

Radius: 13.8

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.52 AU - 2 AU

Year: 1508 Days

Day: 5.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,526,691 km

• M1: 171,589 km (0.093 R)
• M2: 689,646 km (0.093 R)
• M3: 1,203,515 km (0.086 R)
• M4: 1,694,046 km (0.119 R)
• M5: 2,356,017 km (0.097 R)
• M6: 3,023,373 km (0.079 R)
• M7: 3,780,338 km (0.108 R)
• M8: 4,640,825 km (0.064 R)
• M9: 6,625,540 km (0.107 R)
• M10: 7,380,561 km (0.057 R)
• M11: 8,163,257 km (0.055 R)
• M12: 9,376,795 km (0.061 R)
• M13: 11,785,320 km (0.11 R)
• M14: 12,350,800 km (0.115 R)
• M15: 12,973,875 km (0.045 R)
• M16: 13,495,523 km (0.113 R)

Planet 2 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.8

Radius: 4.9

Gravity: 24.9 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.72 AU - 8.79 AU

Year: 16712 Days

Day: 20.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 68,526,691 km

• M1: 61,036 km (0.086 R)
• M2: 315,203 km (0.08 R)
• M3: 502,948 km (0.116 R)
• M4: 1,142,180 km (0.081 R)
• M5: 1,632,711 km (0.077 R)
• M6: 1,818,512 km (0.047 R)
• M7: 1,999,525 km (0.053 R)
• M8: 3,569,405 km (0.042 R)
• M9: 3,767,323 km (0.046 R)
• M10: 4,093,447 km (0.105 R)
• M11: 4,734,025 km (0.101 R)
• M12: 5,476,180 km (0.069 R)
• M13: 6,292,984 km (0.083 R)
• M14: 7,924,947 km (0.045 R)
• M15: 10,096,510 km (0.094 R)
• M16: 11,500,336 km (0.097 R)
• M17: 12,963,104 km (0.115 R)
• M18: 15,198,396 km (0.039 R)
• M19: 15,719,445 km (0.074 R)
• M20: 17,193,732 km (0.097 R)
• M21: 17,515,517 km (0.049 R)
• M22: 18,337,408 km (0.094 R)
• M23: 19,530,900 km (0.071 R)
• M24: 23,518,880 km (0.063 R)
• M25: 26,601,793 km (0.086 R)
• M26: 27,576,722 km (0.12 R)
• M27: 27,906,884 km (0.12 R)
• M28: 30,998,175 km (0.082 R)
• M29: 32,320,470 km (0.071 R)
• M30: 37,311,355 km (0.103 R)
• M31: 41,052,199 km (0.066 R)
• M32: 46,418,424 km (0.083 R)
• M33: 46,573,856 km (0.066 R)
• M34: 47,042,098 km (0.116 R)
• M35: 49,107,446 km (0.104 R)
• M36: 50,901,723 km (0.099 R)
• M37: 52,401,890 km (0.084 R)
• M38: 54,620,427 km (0.091 R)
• M39: 55,490,039 km (0.104 R)
• M40: 57,078,619 km (0.088 R)
• M41: 59,609,815 km (0.12 R)
• M42: 59,977,377 km (0.108 R)

Planet 3 - Ice Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.1

Radius: 4.4

Gravity: 28.93 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.6 AU - 11.48 AU

Year: 20541 Days

Day: 20.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,526,691 km

• M1: 55,202 km (0.092 R)
• M2: 249,080 km (0.119 R)
• M3: 449,242 km (0.029 R)
• M4: 804,537 km (0.098 R)
• M5: 1,006,046 km (0.071 R)
• M6: 1,626,428 km (0.084 R)
• M7: 2,849,391 km (0.045 R)
• M8: 3,052,545 km (0.079 R)
• M9: 4,217,014 km (0.096 R)
• M10: 6,962,285 km (0.081 R)
• M11: 8,260,346 km (0.088 R)
• M12: 8,832,557 km (0.077 R)
• M13: 10,172,356 km (0.114 R)
• M14: 10,647,329 km (0.088 R)
• M15: 11,450,819 km (0.041 R)
• M16: 16,240,794 km (0.093 R)
• M17: 16,643,960 km (0.077 R)
• M18: 17,054,008 km (0.115 R)
• M19: 18,237,626 km (0.029 R)
• M20: 18,849,481 km (0.12 R)
• M21: 24,560,679 km (0.088 R)
• M22: 26,177,234 km (0.073 R)
• M23: 32,838,378 km (0.119 R)
• M24: 33,612,846 km (0.085 R)
• M25: 34,004,494 km (0.077 R)
• M26: 35,601,900 km (0.118 R)
• M27: 37,668,145 km (0.113 R)
• M28: 39,377,600 km (0.06 R)
• M29: 39,522,261 km (0.115 R)
• M30: 46,248,481 km (0.1 R)
• M31: 46,895,342 km (0.107 R)
• M32: 51,075,107 km (0.048 R)
• M33: 52,463,375 km (0.052 R)
• M34: 53,520,882 km (0.075 R)
• M35: 65,699,495 km (0.055 R)
• M36: 70,277,789 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.7

Radius: 4.3

Gravity: 34.71 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.78 AU - 11.68 AU

Year: 21127 Days

Day: 19.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,526,691 km

• M1: 53,556 km (0.04 R)
• M2: 235,018 km (0.074 R)
• M3: 381,624 km (0.079 R)
• M4: 758,012 km (0.111 R)
• M5: 1,042,248 km (0.119 R)
• M6: 1,693,597 km (0.079 R)
• M7: 2,534,936 km (0.07 R)
• M8: 2,702,486 km (0.112 R)
• M9: 3,167,436 km (0.078 R)
• M10: 6,582,157 km (0.104 R)
• M11: 7,132,378 km (0.115 R)
• M12: 7,370,388 km (0.117 R)
• M13: 9,299,901 km (0.08 R)
• M14: 9,641,583 km (0.107 R)
• M15: 9,932,700 km (0.101 R)
• M16: 13,678,033 km (0.1 R)
• M17: 16,555,398 km (0.118 R)
• M18: 17,568,924 km (0.059 R)
• M19: 18,003,206 km (0.099 R)
• M20: 18,444,520 km (0.075 R)
• M21: 23,262,469 km (0.063 R)
• M22: 24,856,434 km (0.079 R)
• M23: 35,009,043 km (0.108 R)
• M24: 35,282,807 km (0.043 R)
• M25: 37,524,831 km (0.103 R)
• M26: 40,458,744 km (0.062 R)
• M27: 44,656,760 km (0.09 R)
• M28: 47,110,015 km (0.084 R)
• M29: 49,136,019 km (0.083 R)
• M30: 53,905,648 km (0.103 R)
• M31: 60,732,397 km (0.118 R)
• M32: 63,942,917 km (0.117 R)
• M33: 64,557,166 km (0.06 R)
• M34: 73,128,077 km (0.075 R)
• M35: 77,220,626 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339

Radius: 3.4

Gravity: 29.33 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 9.3 AU - 13.16 AU

Year: 24299 Days

Day: 21.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 85.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,526,691 km

• M1: 42,935 km (0.098 R)
• M2: 169,794 km (0.093 R)
• M3: 302,337 km (0.119 R)
• M4: 1,232,088 km (0.103 R)
• M5: 1,836,463 km (0.089 R)
• M6: 2,436,949 km (0.103 R)
• M7: 3,829,855 km (0.069 R)
• M8: 5,152,450 km (0.085 R)
• M9: 5,640,588 km (0.109 R)
• M10: 6,200,084 km (0.111 R)
• M11: 6,578,716 km (0.099 R)
• M12: 9,126,816 km (0.093 R)
• M13: 9,342,237 km (0.056 R)
• M14: 11,128,436 km (0.087 R)
• M15: 17,577,600 km (0.055 R)
• M16: 18,248,696 km (0.118 R)
• M17: 21,766,490 km (0.107 R)
• M18: 29,049,812 km (0.079 R)
• M19: 31,064,746 km (0.099 R)
• M20: 43,602,244 km (0.106 R)
• M21: 57,105,995 km (0.054 R)
• M22: 57,288,205 km (0.113 R)
• M23: 60,443,823 km (0.085 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: 482 - 18,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit