🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953

Radius: 9.1

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.59 AU - 0.73 AU

Year: 358 Days

Day: 9.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,342,682 km

• M1: 115,639 km (0.108 R)
• M2: 413,489 km (0.11 R)
• M3: 881,879 km (0.085 R)
• M4: 1,224,159 km (0.084 R)
• M5: 1,641,238 km (0.076 R)
• M6: 1,935,497 km (0.11 R)
• M7: 2,337,467 km (0.105 R)
• M8: 2,784,465 km (0.081 R)
• M9: 3,117,021 km (0.076 R)
• M10: 3,697,311 km (0.058 R)
• M11: 4,141,168 km (0.078 R)
• M12: 4,432,735 km (0.079 R)
• M13: 4,918,778 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.5

Radius: 12.1

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.12 AU - 1.22 AU

Year: 844 Days

Day: 11.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,342,682 km

• M1: 150,495 km (0.087 R)
• M2: 806,333 km (0.115 R)
• M3: 1,338,901 km (0.116 R)
• M4: 1,828,984 km (0.083 R)
• M5: 2,282,564 km (0.088 R)
• M6: 3,105,353 km (0.087 R)
• M7: 3,793,503 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317

Radius: 14.3

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.24 AU - 1.38 AU

Year: 1000 Days

Day: 6.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,342,682 km

• M1: 177,872 km (0.088 R)
• M2: 677,678 km (0.101 R)
• M3: 1,314,367 km (0.104 R)
• M4: 2,056,971 km (0.033 R)
• M5: 2,698,895 km (0.089 R)
• M6: 3,355,181 km (0.118 R)
• M7: 3,984,390 km (0.066 R)
• M8: 4,707,845 km (0.09 R)
• M9: 5,572,371 km (0.118 R)
• M10: 6,179,738 km (0.061 R)
• M11: 6,705,425 km (0.066 R)
• M12: 7,173,517 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.6

Radius: 9

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.59 AU - 4.31 AU

Year: 4273 Days

Day: 11.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 99.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,342,682 km

• M1: 112,049 km (0.053 R)
• M2: 505,042 km (0.099 R)
• M3: 977,323 km (0.064 R)
• M4: 1,727,257 km (0.114 R)
• M5: 2,343,750 km (0.054 R)
• M6: 2,910,726 km (0.102 R)
• M7: 3,419,658 km (0.034 R)
• M8: 3,963,895 km (0.116 R)
• M9: 4,244,989 km (0.063 R)
• M10: 4,589,962 km (0.118 R)
• M11: 5,142,576 km (0.12 R)
• M12: 5,650,910 km (0.097 R)
• M13: 6,069,036 km (0.119 R)
• M14: 6,735,046 km (0.064 R)
• M15: 7,519,537 km (0.108 R)
• M16: 8,250,023 km (0.102 R)
• M17: 8,632,695 km (0.087 R)
• M18: 12,036,196 km (0.072 R)
• M19: 14,305,296 km (0.063 R)
• M20: 16,243,337 km (0.042 R)
• M21: 16,967,390 km (0.112 R)
• M22: 18,609,676 km (0.094 R)
• M23: 20,217,404 km (0.077 R)
• M24: 21,196,821 km (0.105 R)
• M25: 21,770,529 km (0.086 R)
• M26: 23,783,369 km (0.074 R)
• M27: 27,072,727 km (0.1 R)
• M28: 27,493,545 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.7

Radius: 8.1

Gravity: 14.84 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.35 AU - 4.65 AU

Year: 5335 Days

Day: 5.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,342,682 km

• M1: 100,829 km (0.114 R)
• M2: 492,775 km (0.049 R)
• M3: 1,084,136 km (0.099 R)
• M4: 1,465,760 km (0.054 R)
• M5: 2,197,593 km (0.056 R)
• M6: 2,795,236 km (0.103 R)
• M7: 5,333,762 km (0.112 R)
• M8: 5,636,249 km (0.049 R)
• M9: 6,997,889 km (0.118 R)
• M10: 8,772,569 km (0.086 R)
• M11: 9,853,563 km (0.09 R)
• M12: 10,125,681 km (0.074 R)
• M13: 11,865,654 km (0.073 R)
• M14: 13,683,568 km (0.049 R)
• M15: 14,717,738 km (0.058 R)
• M16: 16,747,482 km (0.116 R)
• M17: 17,135,539 km (0.07 R)
• M18: 17,795,714 km (0.117 R)
• M19: 19,520,278 km (0.111 R)
• M20: 20,533,355 km (0.115 R)
• M21: 21,580,989 km (0.097 R)
• M22: 22,585,239 km (0.112 R)
• M23: 27,807,252 km (0.059 R)
• M24: 29,649,700 km (0.116 R)
• M25: 33,270,118 km (0.047 R)
• M26: 34,923,025 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.8

Radius: 9.4

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.88 AU - 6.28 AU

Year: 7635 Days

Day: 5.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 81.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,342,682 km

• M1: 116,836 km (0.084 R)
• M2: 497,712 km (0.045 R)
• M3: 833,859 km (0.082 R)
• M4: 1,201,271 km (0.102 R)
• M5: 1,601,595 km (0.095 R)
• M6: 2,502,623 km (0.114 R)
• M7: 3,203,339 km (0.062 R)
• M8: 3,776,598 km (0.036 R)
• M9: 4,244,241 km (0.091 R)
• M10: 5,017,961 km (0.099 R)
• M11: 5,731,992 km (0.108 R)
• M12: 6,098,058 km (0.047 R)
• M13: 7,013,447 km (0.034 R)
• M14: 7,397,166 km (0.107 R)
• M15: 9,321,144 km (0.107 R)
• M16: 9,828,431 km (0.105 R)
• M17: 10,132,862 km (0.117 R)
• M18: 10,852,278 km (0.111 R)
• M19: 12,292,457 km (0.053 R)
• M20: 12,646,106 km (0.103 R)
• M21: 13,426,858 km (0.025 R)
• M22: 17,500,408 km (0.035 R)
• M23: 22,405,273 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.2

Radius: 6.3

Gravity: 14.67 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.82 AU - 5.9 AU

Year: 9460 Days

Day: 20.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,342,682 km

• M1: 78,389 km (0.082 R)
• M2: 794,065 km (0.102 R)
• M3: 1,392,158 km (0.072 R)
• M4: 1,749,846 km (0.093 R)
• M5: 2,082,253 km (0.114 R)
• M6: 2,455,948 km (0.11 R)
• M7: 2,729,413 km (0.094 R)
• M8: 3,502,535 km (0.091 R)
• M9: 3,901,213 km (0.101 R)
• M10: 4,274,310 km (0.075 R)
• M11: 4,878,387 km (0.091 R)
• M12: 5,603,487 km (0.097 R)
• M13: 6,219,382 km (0.118 R)
• M14: 7,032,297 km (0.063 R)
• M15: 7,585,210 km (0.046 R)
• M16: 7,789,561 km (0.099 R)
• M17: 10,040,560 km (0.069 R)
• M18: 10,436,995 km (0.032 R)
• M19: 11,797,886 km (0.084 R)
• M20: 12,295,449 km (0.08 R)
• M21: 13,332,162 km (0.108 R)
• M22: 15,909,135 km (0.114 R)
• M23: 17,920,329 km (0.09 R)
• M24: 20,095,183 km (0.034 R)
• M25: 21,044,531 km (0.088 R)
• M26: 22,608,128 km (0.076 R)
• M27: 23,721,585 km (0.119 R)
• M28: 26,150,007 km (0.102 R)
• M29: 26,523,403 km (0.026 R)
• M30: 27,090,080 km (0.086 R)
• M31: 28,739,397 km (0.032 R)
• M32: 29,538,249 km (0.065 R)
• M33: 32,666,191 km (0.044 R)
• M34: 34,869,768 km (0.042 R)
• M35: 37,761,195 km (0.047 R)
• M36: 37,999,206 km (0.065 R)
• M37: 42,842,586 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.2

Radius: 4.3

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.77 AU - 6.89 AU

Year: 10620 Days

Day: 15.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,342,682 km

• M1: 317,596 km (0.088 R)
• M2: 659,876 km (0.119 R)
• M3: 875,447 km (0.102 R)
• M4: 1,053,468 km (0.108 R)
• M5: 1,360,593 km (0.084 R)
• M6: 1,494,483 km (0.088 R)
• M7: 1,815,520 km (0.083 R)
• M8: 2,783,418 km (0.069 R)
• M9: 3,347,851 km (0.107 R)
• M10: 3,985,287 km (0.051 R)
• M11: 4,501,550 km (0.119 R)
• M12: 5,248,641 km (0.06 R)
• M13: 5,985,710 km (0.054 R)
• M14: 6,135,009 km (0.049 R)
• M15: 8,199,010 km (0.088 R)
• M16: 8,875,492 km (0.084 R)
• M17: 10,084,243 km (0.063 R)
• M18: 10,597,064 km (0.096 R)
• M19: 10,948,470 km (0.088 R)
• M20: 12,192,077 km (0.071 R)
• M21: 12,383,861 km (0.034 R)
• M22: 13,373,900 km (0.055 R)
• M23: 16,308,262 km (0.095 R)
• M24: 19,842,362 km (0.063 R)
• M25: 21,471,782 km (0.117 R)
• M26: 24,686,940 km (0.088 R)
• M27: 24,994,214 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 759.1

Radius: 5.1

Gravity: 29.18 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.71 AU - 7.35 AU

Year: 12430 Days

Day: 19.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,342,682 km

• M1: 63,429 km (0.066 R)
• M2: 280,945 km (0.092 R)
• M3: 916,137 km (0.051 R)
• M4: 1,320,800 km (0.042 R)
• M5: 1,656,796 km (0.092 R)
• M6: 2,647,733 km (0.099 R)
• M7: 3,812,352 km (0.091 R)
• M8: 4,810,768 km (0.114 R)
• M9: 6,202,178 km (0.12 R)
• M10: 11,472,062 km (0.072 R)
• M11: 12,251,018 km (0.095 R)
• M12: 12,873,794 km (0.093 R)
• M13: 13,648,711 km (0.076 R)
• M14: 15,793,795 km (0.092 R)
• M15: 16,307,514 km (0.046 R)
• M16: 16,984,145 km (0.085 R)
• M17: 19,044,258 km (0.091 R)
• M18: 19,879,163 km (0.083 R)
• M19: 25,908,855 km (0.118 R)
• M20: 26,213,287 km (0.114 R)
• M21: 26,417,638 km (0.078 R)
• M22: 33,052,303 km (0.098 R)
• M23: 33,410,440 km (0.112 R)
• M24: 36,369,337 km (0.069 R)
• M25: 38,699,772 km (0.063 R)
• M26: 42,943,415 km (0.051 R)
• M27: 51,536,466 km (0.085 R)
• M28: 55,473,134 km (0.086 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 13,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit