🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.9

Radius: 10.2

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.91 AU - 1.17 AU

Year: 707 Days

Day: 12.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,878,853 km

• M1: 126,859 km (0.083 R)
• M2: 449,691 km (0.094 R)
• M3: 766,988 km (0.111 R)
• M4: 1,140,385 km (0.101 R)
• M5: 1,691,204 km (0.059 R)
• M6: 2,224,371 km (0.109 R)
• M7: 2,557,675 km (0.031 R)
• M8: 2,924,489 km (0.119 R)
• M9: 3,442,397 km (0.049 R)
• M10: 4,182,308 km (0.025 R)
• M11: 4,824,980 km (0.105 R)
• M12: 6,897,060 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205

Radius: 14.7

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.1 AU - 1.58 AU

Year: 1034 Days

Day: 12 Hours

Environment

Temp: -177 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,878,853 km

• M1: 183,108 km (0.092 R)
• M2: 874,848 km (0.102 R)
• M3: 2,143,438 km (0.119 R)
• M4: 3,028,609 km (0.12 R)
• M5: 4,276,554 km (0.103 R)
• M6: 5,250,287 km (0.059 R)
• M7: 6,483,422 km (0.058 R)
• M8: 7,003,275 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.2

Radius: 9.6

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.75 AU - 1.79 AU

Year: 1570 Days

Day: 10.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,878,853 km

• M1: 119,379 km (0.119 R)
• M2: 423,811 km (0.084 R)
• M3: 1,025,942 km (0.063 R)
• M4: 1,712,297 km (0.116 R)
• M5: 2,651,173 km (0.097 R)
• M6: 2,970,266 km (0.061 R)
• M7: 3,955,966 km (0.109 R)
• M8: 4,374,990 km (0.104 R)
• M9: 5,102,335 km (0.048 R)
• M10: 5,884,283 km (0.078 R)
• M11: 6,431,362 km (0.057 R)
• M12: 7,371,285 km (0.067 R)
• M13: 8,431,037 km (0.108 R)
• M14: 10,704,924 km (0.102 R)
• M15: 11,033,741 km (0.062 R)
• M16: 13,655,892 km (0.098 R)
• M17: 15,294,587 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.8

Radius: 13.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.62 AU - 2.12 AU

Year: 1705 Days

Day: 9.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,878,853 km

• M1: 166,802 km (0.106 R)
• M2: 636,240 km (0.071 R)
• M3: 1,151,156 km (0.076 R)
• M4: 1,603,988 km (0.095 R)
• M5: 2,071,332 km (0.113 R)
• M6: 2,556,777 km (0.048 R)
• M7: 3,188,828 km (0.108 R)
• M8: 3,956,415 km (0.109 R)
• M9: 4,693,783 km (0.111 R)
• M10: 5,397,192 km (0.062 R)
• M11: 5,991,993 km (0.112 R)
• M12: 8,878,484 km (0.049 R)
• M13: 9,863,287 km (0.096 R)
• M14: 10,494,889 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.3

Radius: 7.3

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.12 AU - 7.5 AU

Year: 11851 Days

Day: 23.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 44,878,853 km

• M1: 90,956 km (0.111 R)
• M2: 339,587 km (0.097 R)
• M3: 698,173 km (0.118 R)
• M4: 1,544,299 km (0.078 R)
• M5: 1,852,770 km (0.033 R)
• M6: 2,924,339 km (0.073 R)
• M7: 3,423,398 km (0.08 R)
• M8: 4,111,847 km (0.045 R)
• M9: 4,561,389 km (0.116 R)
• M10: 5,558,458 km (0.092 R)
• M11: 7,196,406 km (0.101 R)
• M12: 8,147,250 km (0.114 R)
• M13: 8,408,597 km (0.063 R)
• M14: 8,856,493 km (0.12 R)
• M15: 9,179,325 km (0.063 R)
• M16: 11,338,322 km (0.09 R)
• M17: 11,940,752 km (0.037 R)
• M18: 16,630,346 km (0.04 R)
• M19: 20,359,672 km (0.059 R)
• M20: 21,578,745 km (0.054 R)
• M21: 23,717,546 km (0.115 R)
• M22: 24,430,679 km (0.109 R)
• M23: 26,560,803 km (0.094 R)
• M24: 30,450,647 km (0.101 R)
• M25: 30,869,820 km (0.07 R)
• M26: 33,355,538 km (0.083 R)
• M27: 38,354,949 km (0.087 R)
• M28: 39,709,558 km (0.057 R)
• M29: 41,095,881 km (0.081 R)
• M30: 42,253,919 km (0.081 R)
• M31: 43,831,578 km (0.092 R)
• M32: 44,769,856 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.7

Radius: 3

Gravity: 78.63 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.59 AU - 9.09 AU

Year: 13261 Days

Day: 22.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 44,878,853 km

• M1: 37,250 km (0.108 R)
• M2: 138,378 km (0.033 R)
• M3: 304,731 km (0.072 R)
• M4: 490,980 km (0.104 R)
• M5: 1,200,673 km (0.05 R)
• M6: 1,334,263 km (0.116 R)
• M7: 1,448,107 km (0.093 R)
• M8: 3,612,340 km (0.093 R)
• M9: 3,920,212 km (0.078 R)
• M10: 4,430,042 km (0.115 R)
• M11: 4,815,406 km (0.038 R)
• M12: 5,257,767 km (0.1 R)
• M13: 6,421,040 km (0.053 R)
• M14: 8,399,023 km (0.108 R)
• M15: 9,395,494 km (0.103 R)
• M16: 10,029,789 km (0.107 R)
• M17: 11,920,258 km (0.089 R)
• M18: 14,035,272 km (0.05 R)
• M19: 16,387,549 km (0.111 R)
• M20: 17,538,555 km (0.115 R)
• M21: 19,406,434 km (0.057 R)
• M22: 20,518,694 km (0.081 R)
• M23: 25,797,255 km (0.035 R)
• M24: 27,350,829 km (0.105 R)
• M25: 27,882,201 km (0.081 R)
• M26: 28,528,912 km (0.088 R)
• M27: 30,528,886 km (0.082 R)
• M28: 32,265,269 km (0.103 R)
• M29: 34,434,587 km (0.036 R)
• M30: 35,806,998 km (0.067 R)
• M31: 39,464,068 km (0.099 R)
• M32: 39,734,391 km (0.049 R)
• M33: 41,104,708 km (0.118 R)
• M34: 42,506,141 km (0.092 R)
• M35: 45,108,545 km (0.11 R)
• M36: 51,267,639 km (0.11 R)
• M37: 53,549,156 km (0.054 R)
• M38: 54,882,672 km (0.086 R)
• M39: 55,557,657 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.7

Radius: 5.1

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.44 AU - 12.24 AU

Year: 20584 Days

Day: 24 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,878,853 km

• M1: 63,429 km (0.058 R)
• M2: 329,115 km (0.037 R)
• M3: 675,285 km (0.101 R)
• M4: 869,463 km (0.116 R)
• M5: 1,398,590 km (0.118 R)
• M6: 1,887,776 km (0.06 R)
• M7: 2,681,093 km (0.069 R)
• M8: 4,201,905 km (0.094 R)
• M9: 4,686,602 km (0.088 R)
• M10: 5,699,080 km (0.068 R)
• M11: 8,583,327 km (0.082 R)
• M12: 11,110,035 km (0.031 R)
• M13: 13,542,198 km (0.082 R)
• M14: 14,342,097 km (0.115 R)
• M15: 22,837,312 km (0.118 R)
• M16: 23,616,567 km (0.109 R)
• M17: 24,056,983 km (0.065 R)
• M18: 24,502,934 km (0.084 R)
• M19: 26,911,311 km (0.088 R)
• M20: 27,295,328 km (0.064 R)
• M21: 28,568,556 km (0.116 R)
• M22: 33,612,846 km (0.079 R)
• M23: 37,524,531 km (0.09 R)
• M24: 43,153,600 km (0.079 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 20,209 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit