🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.8

Radius: 10.7

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.5 AU - 0.56 AU

Year: 262 Days

Day: 6.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,910,530 km

• M1: 133,292 km (0.111 R)
• M2: 490,232 km (0.05 R)
• M3: 1,432,400 km (0.103 R)
• M4: 1,802,355 km (0.052 R)
• M5: 2,243,818 km (0.092 R)
• M6: 2,700,541 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.6

Radius: 13.5

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.57 AU - 0.59 AU

Year: 300 Days

Day: 8.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,910,530 km

• M1: 167,849 km (0.119 R)
• M2: 612,005 km (0.094 R)
• M3: 1,145,920 km (0.113 R)
• M4: 1,645,726 km (0.084 R)
• M5: 2,117,259 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.9

Radius: 9.6

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.44 AU - 0.72 AU

Year: 300 Days

Day: 7.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,910,530 km

• M1: 119,678 km (0.025 R)
• M2: 668,403 km (0.115 R)
• M3: 1,148,912 km (0.093 R)
• M4: 1,474,287 km (0.114 R)
• M5: 1,798,466 km (0.098 R)
• M6: 2,157,500 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.2

Radius: 10

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.14 AU - 1.72 AU

Year: 1160 Days

Day: 5.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,910,530 km

• M1: 124,316 km (0.107 R)
• M2: 469,588 km (0.1 R)
• M3: 837,150 km (0.091 R)
• M4: 1,394,103 km (0.049 R)
• M5: 1,716,935 km (0.114 R)
• M6: 2,163,185 km (0.066 R)
• M7: 2,541,817 km (0.075 R)
• M8: 3,763,882 km (0.104 R)
• M9: 4,593,103 km (0.101 R)
• M10: 8,021,288 km (0.119 R)
• M11: 8,632,695 km (0.061 R)
• M12: 9,246,046 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.9

Radius: 13.9

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.82 AU - 2.82 AU

Year: 2397 Days

Day: 11.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,910,530 km

• M1: 172,935 km (0.078 R)
• M2: 847,023 km (0.116 R)
• M3: 1,406,818 km (0.089 R)
• M4: 2,251,149 km (0.104 R)
• M5: 3,447,184 km (0.11 R)
• M6: 3,935,770 km (0.061 R)
• M7: 4,429,443 km (0.107 R)
• M8: 5,054,014 km (0.103 R)
• M9: 5,786,296 km (0.112 R)
• M10: 6,427,473 km (0.118 R)
• M11: 7,087,199 km (0.105 R)
• M12: 8,542,786 km (0.061 R)
• M13: 9,901,285 km (0.074 R)
• M14: 12,745,290 km (0.074 R)
• M15: 13,522,750 km (0.072 R)
• M16: 16,046,017 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.3

Radius: 11

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.6 AU - 3.14 AU

Year: 3298 Days

Day: 10.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,910,530 km

• M1: 136,882 km (0.049 R)
• M2: 493,823 km (0.052 R)
• M3: 967,300 km (0.043 R)
• M4: 1,447,958 km (0.105 R)
• M5: 2,121,298 km (0.097 R)
• M6: 2,544,361 km (0.033 R)
• M7: 2,887,089 km (0.068 R)
• M8: 4,261,744 km (0.104 R)
• M9: 4,748,984 km (0.096 R)
• M10: 6,515,735 km (0.1 R)
• M11: 7,825,016 km (0.057 R)
• M12: 8,876,240 km (0.094 R)
• M13: 9,369,015 km (0.103 R)
• M14: 11,913,974 km (0.113 R)
• M15: 13,176,281 km (0.097 R)
• M16: 13,992,786 km (0.106 R)
• M17: 15,397,062 km (0.067 R)
• M18: 16,302,877 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.4

Radius: 12.9

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.21 AU - 6.99 AU

Year: 8988 Days

Day: 8.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,910,530 km

• M1: 160,369 km (0.089 R)
• M2: 619,036 km (0.094 R)
• M3: 1,615,657 km (0.097 R)
• M4: 2,554,384 km (0.071 R)
• M5: 3,414,721 km (0.1 R)
• M6: 4,703,806 km (0.118 R)
• M7: 5,834,915 km (0.089 R)
• M8: 6,499,279 km (0.08 R)
• M9: 7,066,555 km (0.119 R)
• M10: 7,900,563 km (0.107 R)
• M11: 8,423,557 km (0.064 R)
• M12: 9,405,517 km (0.101 R)
• M13: 10,367,581 km (0.057 R)
• M14: 11,143,695 km (0.092 R)
• M15: 11,546,113 km (0.105 R)
• M16: 11,958,255 km (0.103 R)
• M17: 13,706,157 km (0.051 R)
• M18: 16,638,874 km (0.098 R)
• M19: 19,239,932 km (0.103 R)
• M20: 19,820,222 km (0.114 R)
• M21: 21,245,441 km (0.091 R)
• M22: 23,964,681 km (0.076 R)
• M23: 24,977,459 km (0.115 R)
• M24: 26,372,010 km (0.1 R)
• M25: 29,891,300 km (0.109 R)
• M26: 32,065,855 km (0.066 R)
• M27: 34,983,612 km (0.068 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.7

Radius: 12.7

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.91 AU - 6.31 AU

Year: 9012 Days

Day: 10.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,910,530 km

• M1: 157,975 km (0.092 R)
• M2: 558,598 km (0.094 R)
• M3: 960,718 km (0.089 R)
• M4: 3,476,355 km (0.108 R)
• M5: 4,369,455 km (0.074 R)
• M6: 5,488,447 km (0.05 R)
• M7: 8,149,194 km (0.069 R)
• M8: 11,143,545 km (0.06 R)
• M9: 15,379,559 km (0.063 R)
• M10: 19,202,383 km (0.095 R)
• M11: 19,948,427 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.7

Radius: 6.2

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.13 AU - 11.33 AU

Year: 19019 Days

Day: 22.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,910,530 km

• M1: 77,193 km (0.069 R)
• M2: 406,158 km (0.101 R)
• M3: 882,927 km (0.106 R)
• M4: 1,352,365 km (0.083 R)
• M5: 1,907,522 km (0.097 R)
• M6: 2,521,622 km (0.106 R)
• M7: 2,796,882 km (0.072 R)
• M8: 2,999,138 km (0.102 R)
• M9: 4,366,313 km (0.116 R)
• M10: 4,859,537 km (0.08 R)
• M11: 5,119,688 km (0.115 R)
• M12: 5,492,635 km (0.111 R)
• M13: 5,956,688 km (0.107 R)
• M14: 6,446,322 km (0.117 R)
• M15: 6,881,352 km (0.076 R)
• M16: 7,085,554 km (0.078 R)
• M17: 8,582,729 km (0.088 R)
• M18: 10,708,814 km (0.066 R)
• M19: 12,547,372 km (0.083 R)
• M20: 14,320,256 km (0.109 R)
• M21: 18,044,046 km (0.072 R)
• M22: 20,545,921 km (0.118 R)
• M23: 22,277,217 km (0.088 R)
• M24: 29,960,115 km (0.114 R)
• M25: 31,168,567 km (0.12 R)
• M26: 31,391,617 km (0.097 R)
• M27: 36,081,660 km (0.087 R)
• M28: 38,464,455 km (0.108 R)
• M29: 39,628,925 km (0.093 R)
• M30: 40,683,590 km (0.112 R)
• M31: 44,663,641 km (0.058 R)
• M32: 45,232,263 km (0.049 R)
• M33: 50,722,504 km (0.106 R)
• M34: 52,752,248 km (0.109 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 15,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit