🌌 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: 659.1

Radius: 11.9

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.44 AU - 0.68 AU

Year: 284 Days

Day: 12.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,761,302 km

• M1: 148,102 km (0.077 R)
• M2: 543,938 km (0.117 R)
• M3: 1,005,148 km (0.094 R)
• M4: 1,383,631 km (0.109 R)
• M5: 1,777,821 km (0.086 R)
• M6: 2,169,169 km (0.11 R)
• M7: 2,539,573 km (0.12 R)
• M8: 3,070,347 km (0.067 R)
• M9: 3,629,544 km (0.1 R)
• M10: 4,305,876 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.9

Radius: 11

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1 AU - 1.54 AU

Year: 971 Days

Day: 14.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,761,302 km

• M1: 136,732 km (0.042 R)
• M2: 686,056 km (0.093 R)
• M3: 1,033,272 km (0.087 R)
• M4: 1,707,211 km (0.089 R)
• M5: 2,102,299 km (0.068 R)
• M6: 3,093,983 km (0.09 R)
• M7: 3,566,114 km (0.063 R)
• M8: 5,026,638 km (0.059 R)
• M9: 5,785,847 km (0.072 R)
• M10: 6,437,944 km (0.098 R)
• M11: 7,532,253 km (0.094 R)
• M12: 9,055,159 km (0.063 R)
• M13: 9,429,453 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.4

Radius: 10.4

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.25 AU - 3.39 AU

Year: 3212 Days

Day: 10.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,761,302 km

• M1: 131,796 km (0.075 R)
• M2: 556,504 km (0.11 R)
• M3: 1,529,189 km (0.108 R)
• M4: 2,895,916 km (0.118 R)
• M5: 3,325,710 km (0.101 R)
• M6: 6,658,152 km (0.093 R)
• M7: 7,888,894 km (0.033 R)
• M8: 9,049,325 km (0.108 R)
• M9: 9,670,605 km (0.072 R)
• M10: 10,203,323 km (0.076 R)
• M11: 10,957,595 km (0.112 R)
• M12: 13,821,198 km (0.12 R)
• M13: 17,094,698 km (0.077 R)
• M14: 19,444,133 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.8

Radius: 14.3

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.56 AU - 6.56 AU

Year: 8892 Days

Day: 13.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,761,302 km

• M1: 178,021 km (0.117 R)
• M2: 676,781 km (0.093 R)
• M3: 1,302,249 km (0.119 R)
• M4: 2,137,305 km (0.117 R)
• M5: 3,233,408 km (0.087 R)
• M6: 4,440,962 km (0.09 R)
• M7: 5,021,552 km (0.12 R)
• M8: 5,734,984 km (0.084 R)
• M9: 9,916,693 km (0.081 R)
• M10: 13,949,104 km (0.07 R)
• M11: 14,409,865 km (0.116 R)
• M12: 15,254,046 km (0.112 R)
• M13: 18,470,699 km (0.03 R)
• M14: 19,978,646 km (0.103 R)
• M15: 21,567,375 km (0.098 R)
• M16: 23,669,824 km (0.076 R)
• M17: 24,179,354 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.6

Radius: 3.4

Gravity: 77.21 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.67 AU - 6.09 AU

Year: 9671 Days

Day: 19.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 54,761,302 km

• M1: 42,635 km (0.096 R)
• M2: 149,598 km (0.086 R)
• M3: 355,744 km (0.116 R)
• M4: 572,212 km (0.109 R)
• M5: 714,629 km (0.081 R)
• M6: 870,660 km (0.079 R)
• M7: 983,606 km (0.115 R)
• M8: 1,141,432 km (0.038 R)
• M9: 1,315,863 km (0.063 R)
• M10: 1,814,622 km (0.056 R)
• M11: 2,000,124 km (0.103 R)
• M12: 2,654,614 km (0.073 R)
• M13: 2,893,971 km (0.12 R)
• M14: 3,007,366 km (0.113 R)
• M15: 5,021,701 km (0.045 R)
• M16: 5,252,531 km (0.097 R)
• M17: 6,024,007 km (0.056 R)
• M18: 7,111,584 km (0.105 R)
• M19: 7,487,224 km (0.072 R)
• M20: 8,553,408 km (0.116 R)
• M21: 8,882,523 km (0.11 R)
• M22: 9,122,777 km (0.055 R)
• M23: 12,175,472 km (0.112 R)
• M24: 12,471,825 km (0.081 R)
• M25: 12,772,965 km (0.12 R)
• M26: 13,515,569 km (0.07 R)
• M27: 14,417,794 km (0.107 R)
• M28: 14,816,622 km (0.062 R)
• M29: 15,154,414 km (0.114 R)
• M30: 18,274,577 km (0.096 R)
• M31: 18,819,861 km (0.115 R)
• M32: 19,056,974 km (0.105 R)
• M33: 21,280,447 km (0.115 R)
• M34: 22,146,020 km (0.104 R)
• M35: 26,629,319 km (0.105 R)
• M36: 27,532,142 km (0.114 R)
• M37: 31,127,278 km (0.085 R)
• M38: 33,151,636 km (0.108 R)
• M39: 45,161,054 km (0.103 R)
• M40: 45,728,030 km (0.06 R)
• M41: 47,020,855 km (0.033 R)
• M42: 47,603,239 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491

Radius: 6.2

Gravity: 12.77 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.81 AU - 9.55 AU

Year: 14436 Days

Day: 22.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,761,302 km

• M1: 77,193 km (0.119 R)
• M2: 508,334 km (0.114 R)
• M3: 1,130,362 km (0.051 R)
• M4: 1,343,688 km (0.092 R)
• M5: 1,886,878 km (0.086 R)
• M6: 2,097,512 km (0.112 R)
• M7: 2,871,082 km (0.112 R)
• M8: 3,103,258 km (0.082 R)
• M9: 4,073,251 km (0.088 R)
• M10: 4,706,199 km (0.066 R)
• M11: 6,916,508 km (0.111 R)
• M12: 8,269,172 km (0.09 R)
• M13: 10,050,883 km (0.077 R)
• M14: 10,263,461 km (0.091 R)
• M15: 10,642,692 km (0.116 R)
• M16: 12,313,999 km (0.1 R)
• M17: 12,680,514 km (0.067 R)
• M18: 14,286,297 km (0.074 R)
• M19: 17,973,436 km (0.049 R)
• M20: 18,365,981 km (0.102 R)
• M21: 22,339,001 km (0.097 R)
• M22: 28,940,157 km (0.063 R)
• M23: 30,025,041 km (0.091 R)
• M24: 33,916,829 km (0.06 R)
• M25: 37,364,013 km (0.072 R)
• M26: 40,097,615 km (0.098 R)
• M27: 42,822,241 km (0.053 R)
• M28: 43,241,265 km (0.054 R)
• M29: 45,233,160 km (0.116 R)
• M30: 49,859,923 km (0.057 R)
• M31: 51,417,087 km (0.093 R)
• M32: 51,732,440 km (0.102 R)
• M33: 52,846,046 km (0.105 R)
• M34: 53,975,660 km (0.033 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.3

Radius: 4.6

Gravity: 20.57 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.86 AU - 9.12 AU

Year: 15318 Days

Day: 18 Hours

Environment

Temp: -242 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,761,302 km

• M1: 63,280 km (0.068 R)
• M2: 234,569 km (0.077 R)
• M3: 438,322 km (0.084 R)
• M4: 1,007,691 km (0.096 R)
• M5: 1,447,359 km (0.103 R)
• M6: 1,609,374 km (0.102 R)
• M7: 1,987,557 km (0.037 R)
• M8: 2,150,918 km (0.097 R)
• M9: 2,362,599 km (0.087 R)
• M10: 2,546,156 km (0.082 R)
• M11: 3,403,052 km (0.07 R)
• M12: 3,637,622 km (0.09 R)
• M13: 4,081,180 km (0.061 R)
• M14: 4,653,840 km (0.086 R)
• M15: 4,813,162 km (0.044 R)
• M16: 5,773,131 km (0.058 R)
• M17: 5,956,987 km (0.086 R)
• M18: 6,144,882 km (0.088 R)
• M19: 6,854,275 km (0.098 R)
• M20: 7,660,608 km (0.085 R)
• M21: 8,575,848 km (0.117 R)
• M22: 11,009,057 km (0.103 R)
• M23: 13,031,770 km (0.116 R)
• M24: 14,263,559 km (0.108 R)
• M25: 17,563,239 km (0.118 R)
• M26: 19,471,360 km (0.112 R)
• M27: 20,817,591 km (0.085 R)
• M28: 22,404,824 km (0.088 R)
• M29: 26,926,121 km (0.098 R)
• M30: 34,128,809 km (0.07 R)
• M31: 34,489,191 km (0.091 R)
• M32: 43,775,628 km (0.068 R)
• M33: 45,929,987 km (0.11 R)
• M34: 50,293,607 km (0.089 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 17,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit