🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667

Radius: 10

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.55 AU - 0.65 AU

Year: 315 Days

Day: 13.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,041,194 km

• M1: 124,465 km (0.116 R)
• M2: 466,446 km (0.088 R)
• M3: 1,006,644 km (0.079 R)
• M4: 1,328,878 km (0.066 R)
• M5: 1,674,150 km (0.104 R)
• M6: 2,048,743 km (0.102 R)
• M7: 2,426,477 km (0.068 R)
• M8: 2,899,805 km (0.081 R)
• M9: 3,789,912 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.8

Radius: 9.7

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.56 AU - 1.66 AU

Year: 1386 Days

Day: 6 Hours

Environment

Temp: -184 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,041,194 km

• M1: 120,576 km (0.104 R)
• M2: 457,769 km (0.108 R)
• M3: 775,067 km (0.109 R)
• M4: 1,082,041 km (0.104 R)
• M5: 1,480,869 km (0.115 R)
• M6: 1,873,564 km (0.08 R)
• M7: 2,335,522 km (0.109 R)
• M8: 2,684,683 km (0.115 R)
• M9: 3,380,613 km (0.101 R)
• M10: 4,336,244 km (0.093 R)
• M11: 6,014,134 km (0.037 R)
• M12: 6,457,691 km (0.091 R)
• M13: 6,973,206 km (0.109 R)
• M14: 8,454,374 km (0.067 R)
• M15: 9,909,513 km (0.101 R)
• M16: 10,496,086 km (0.09 R)
• M17: 11,279,081 km (0.065 R)
• M18: 12,100,373 km (0.086 R)
• M19: 12,619,628 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.5

Radius: 8.3

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.89 AU - 2.03 AU

Year: 1861 Days

Day: 10.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,041,194 km

• M1: 105,317 km (0.093 R)
• M2: 440,267 km (0.079 R)
• M3: 756,068 km (0.045 R)
• M4: 1,093,710 km (0.053 R)
• M5: 1,426,715 km (0.062 R)
• M6: 2,104,244 km (0.094 R)
• M7: 2,599,562 km (0.096 R)
• M8: 3,590,199 km (0.056 R)
• M9: 3,907,496 km (0.08 R)
• M10: 5,116,995 km (0.094 R)
• M11: 5,966,711 km (0.081 R)
• M12: 6,706,772 km (0.073 R)
• M13: 8,027,422 km (0.111 R)
• M14: 8,958,668 km (0.099 R)
• M15: 9,607,923 km (0.056 R)
• M16: 10,025,301 km (0.116 R)
• M17: 10,321,355 km (0.101 R)
• M18: 11,999,844 km (0.026 R)
• M19: 12,408,695 km (0.1 R)
• M20: 12,904,013 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.2

Radius: 13.9

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.19 AU - 2.51 AU

Year: 2443 Days

Day: 11.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,041,194 km

• M1: 179,218 km (0.056 R)
• M2: 664,514 km (0.091 R)
• M3: 1,241,513 km (0.119 R)
• M4: 2,176,799 km (0.093 R)
• M5: 2,877,066 km (0.053 R)
• M6: 3,524,227 km (0.09 R)
• M7: 4,146,404 km (0.094 R)
• M8: 4,644,266 km (0.083 R)
• M9: 5,514,926 km (0.116 R)
• M10: 6,015,330 km (0.112 R)
• M11: 6,491,650 km (0.101 R)
• M12: 7,460,745 km (0.083 R)
• M13: 10,231,597 km (0.051 R)
• M14: 13,272,024 km (0.048 R)
• M15: 14,641,742 km (0.083 R)
• M16: 15,903,450 km (0.114 R)
• M17: 16,509,771 km (0.074 R)
• M18: 18,147,568 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.2

Radius: 8.8

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.11 AU - 4.33 AU

Year: 5880 Days

Day: 8.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,041,194 km

• M1: 109,506 km (0.074 R)
• M2: 391,348 km (0.077 R)
• M3: 674,088 km (0.113 R)
• M4: 1,257,071 km (0.118 R)
• M5: 2,350,931 km (0.115 R)
• M6: 3,570,153 km (0.082 R)
• M7: 4,044,229 km (0.078 R)
• M8: 4,740,906 km (0.065 R)
• M9: 5,826,687 km (0.089 R)
• M10: 6,177,195 km (0.116 R)
• M11: 7,252,505 km (0.101 R)
• M12: 7,658,513 km (0.058 R)
• M13: 7,981,046 km (0.059 R)
• M14: 10,421,287 km (0.116 R)
• M15: 11,101,359 km (0.064 R)
• M16: 12,728,385 km (0.101 R)
• M17: 18,268,742 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.2

Radius: 8.5

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.92 AU - 5.94 AU

Year: 7424 Days

Day: 8.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,041,194 km

• M1: 121,922 km (0.084 R)
• M2: 554,859 km (0.113 R)
• M3: 1,003,951 km (0.119 R)
• M4: 2,082,402 km (0.065 R)
• M5: 2,508,457 km (0.073 R)
• M6: 3,012,004 km (0.075 R)
• M7: 3,444,042 km (0.11 R)
• M8: 3,867,703 km (0.097 R)
• M9: 5,822,499 km (0.118 R)
• M10: 14,678,393 km (0.058 R)
• M11: 15,603,058 km (0.103 R)
• M12: 18,609,975 km (0.055 R)
• M13: 23,771,102 km (0.076 R)
• M14: 26,994,038 km (0.091 R)
• M15: 33,028,367 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.9

Radius: 12.4

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.09 AU - 5.89 AU

Year: 7560 Days

Day: 7 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,041,194 km

• M1: 172,636 km (0.116 R)
• M2: 614,548 km (0.099 R)
• M3: 1,224,758 km (0.054 R)
• M4: 1,794,426 km (0.072 R)
• M5: 2,221,080 km (0.113 R)
• M6: 2,679,597 km (0.109 R)
• M7: 3,978,107 km (0.12 R)
• M8: 4,580,836 km (0.046 R)
• M9: 5,157,686 km (0.03 R)
• M10: 6,129,474 km (0.081 R)
• M11: 6,900,651 km (0.103 R)
• M12: 8,515,111 km (0.11 R)
• M13: 8,965,849 km (0.096 R)
• M14: 12,167,244 km (0.094 R)
• M15: 13,276,362 km (0.11 R)
• M16: 14,394,158 km (0.09 R)
• M17: 14,917,152 km (0.086 R)
• M18: 15,513,150 km (0.106 R)
• M19: 18,124,530 km (0.037 R)
• M20: 19,149,275 km (0.08 R)
• M21: 21,690,046 km (0.115 R)
• M22: 23,318,119 km (0.057 R)
• M23: 24,612,290 km (0.096 R)
• M24: 25,698,521 km (0.1 R)
• M25: 27,343,200 km (0.087 R)
• M26: 27,966,574 km (0.115 R)
• M27: 29,426,799 km (0.092 R)
• M28: 30,365,077 km (0.106 R)
• M29: 30,937,438 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.6

Radius: 3.7

Gravity: 14.43 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.86 AU - 7.58 AU

Year: 13158 Days

Day: 21.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,041,194 km

• M1: 103,821 km (0.096 R)
• M2: 290,369 km (0.087 R)
• M3: 407,953 km (0.077 R)
• M4: 532,718 km (0.108 R)
• M5: 793,617 km (0.104 R)
• M6: 1,267,543 km (0.048 R)
• M7: 1,759,720 km (0.111 R)
• M8: 2,588,043 km (0.114 R)
• M9: 2,961,888 km (0.092 R)
• M10: 3,484,284 km (0.03 R)
• M11: 3,647,645 km (0.12 R)
• M12: 4,246,784 km (0.095 R)
• M13: 4,460,410 km (0.095 R)
• M14: 6,896,911 km (0.116 R)
• M15: 7,534,198 km (0.083 R)
• M16: 8,924,710 km (0.077 R)
• M17: 9,498,717 km (0.053 R)
• M18: 10,574,026 km (0.085 R)
• M19: 13,698,527 km (0.1 R)
• M20: 13,814,017 km (0.107 R)
• M21: 13,988,598 km (0.099 R)
• M22: 14,342,097 km (0.078 R)
• M23: 15,563,265 km (0.103 R)
• M24: 17,795,714 km (0.1 R)
• M25: 18,002,309 km (0.096 R)
• M26: 18,280,411 km (0.101 R)
• M27: 18,702,726 km (0.094 R)
• M28: 19,421,095 km (0.097 R)
• M29: 21,530,275 km (0.119 R)
• M30: 22,963,872 km (0.072 R)
• M31: 24,459,850 km (0.117 R)
• M32: 26,464,312 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.7

Radius: 7.8

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 8.6 AU - 10.32 AU

Year: 19735 Days

Day: 24.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,041,194 km

• M1: 98,435 km (0.093 R)
• M2: 371,601 km (0.055 R)
• M3: 635,193 km (0.105 R)
• M4: 1,377,198 km (0.108 R)
• M5: 1,956,890 km (0.041 R)
• M6: 3,408,587 km (0.114 R)
• M7: 5,540,208 km (0.08 R)
• M8: 6,023,558 km (0.066 R)
• M9: 6,534,585 km (0.072 R)
• M10: 7,116,969 km (0.089 R)
• M11: 8,432,982 km (0.092 R)
• M12: 9,430,201 km (0.05 R)
• M13: 10,393,162 km (0.056 R)
• M14: 15,118,361 km (0.091 R)
• M15: 17,431,293 km (0.065 R)
• M16: 17,984,506 km (0.045 R)
• M17: 19,544,962 km (0.055 R)
• M18: 21,104,819 km (0.098 R)
• M19: 24,470,023 km (0.119 R)
• M20: 24,864,812 km (0.111 R)
• M21: 27,006,904 km (0.028 R)
• M22: 28,393,077 km (0.04 R)
• M23: 30,960,626 km (0.034 R)
• M24: 32,954,915 km (0.048 R)
• M25: 36,424,090 km (0.093 R)
• M26: 37,458,110 km (0.12 R)
• M27: 38,246,491 km (0.085 R)
• M28: 44,223,375 km (0.069 R)
• M29: 44,809,200 km (0.065 R)
• M30: 53,230,962 km (0.08 R)
• M31: 53,893,830 km (0.061 R)
• M32: 54,562,083 km (0.093 R)
• M33: 57,463,983 km (0.08 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 14,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit