🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872

Radius: 13.2

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.41 AU - 0.63 AU

Year: 264 Days

Day: 13.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,822,877 km

• M1: 164,258 km (0.12 R)
• M2: 886,367 km (0.1 R)
• M3: 1,393,953 km (0.117 R)
• M4: 1,983,967 km (0.083 R)
• M5: 2,452,956 km (0.102 R)
• M6: 2,927,630 km (0.063 R)
• M7: 3,641,661 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560

Radius: 13.9

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.49 AU - 0.63 AU

Year: 295 Days

Day: 13.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,822,877 km

• M1: 172,935 km (0.117 R)
• M2: 763,099 km (0.11 R)
• M3: 1,273,527 km (0.11 R)
• M4: 1,910,365 km (0.105 R)
• M5: 2,385,338 km (0.087 R)
• M6: 2,949,322 km (0.098 R)
• M7: 3,998,302 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.3

Radius: 13.7

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.52 AU - 0.68 AU

Year: 327 Days

Day: 6.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,822,877 km

• M1: 170,392 km (0.11 R)
• M2: 840,291 km (0.1 R)
• M3: 1,295,218 km (0.114 R)
• M4: 1,824,645 km (0.119 R)
• M5: 2,627,537 km (0.099 R)
• M6: 3,053,891 km (0.064 R)
• M7: 3,973,020 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.1

Radius: 10.2

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.8 AU - 1.24 AU

Year: 724 Days

Day: 8.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,822,877 km

• M1: 127,009 km (0.077 R)
• M2: 465,399 km (0.089 R)
• M3: 829,371 km (0.119 R)
• M4: 1,205,460 km (0.063 R)
• M5: 1,888,374 km (0.1 R)
• M6: 2,268,053 km (0.082 R)
• M7: 2,766,065 km (0.105 R)
• M8: 3,170,727 km (0.099 R)
• M9: 3,982,295 km (0.076 R)
• M10: 4,405,807 km (0.093 R)
• M11: 4,776,062 km (0.118 R)
• M12: 5,579,402 km (0.063 R)
• M13: 6,130,670 km (0.094 R)
• M14: 6,676,104 km (0.067 R)
• M15: 7,275,692 km (0.113 R)
• M16: 7,679,906 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.1

Radius: 9

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.2 AU - 1.74 AU

Year: 1253 Days

Day: 11 Hours

Environment

Temp: -187 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,822,877 km

• M1: 111,899 km (0.028 R)
• M2: 400,025 km (0.095 R)
• M3: 1,185,713 km (0.117 R)
• M4: 2,223,772 km (0.101 R)
• M5: 2,701,738 km (0.117 R)
• M6: 3,023,223 km (0.105 R)
• M7: 3,513,605 km (0.066 R)
• M8: 4,479,559 km (0.116 R)
• M9: 4,851,459 km (0.085 R)
• M10: 5,437,135 km (0.106 R)
• M11: 5,747,251 km (0.101 R)
• M12: 6,045,848 km (0.078 R)
• M13: 6,674,159 km (0.071 R)
• M14: 7,239,340 km (0.056 R)
• M15: 8,523,787 km (0.045 R)
• M16: 10,185,072 km (0.053 R)
• M17: 10,864,695 km (0.077 R)
• M18: 11,144,892 km (0.098 R)
• M19: 11,940,453 km (0.117 R)
• M20: 12,465,991 km (0.117 R)
• M21: 13,164,463 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.3

Radius: 13.5

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.49 AU - 1.55 AU

Year: 1317 Days

Day: 7.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,822,877 km

• M1: 167,849 km (0.118 R)
• M2: 752,627 km (0.033 R)
• M3: 1,472,791 km (0.095 R)
• M4: 2,211,655 km (0.047 R)
• M5: 3,543,674 km (0.105 R)
• M6: 4,129,948 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.4

Radius: 3.5

Gravity: 53.18 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.93 AU - 6.67 AU

Year: 11115 Days

Day: 22.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,822,877 km

• M1: 116,387 km (0.061 R)
• M2: 305,180 km (0.087 R)
• M3: 460,013 km (0.106 R)
• M4: 1,238,222 km (0.082 R)
• M5: 1,563,597 km (0.083 R)
• M6: 1,684,023 km (0.112 R)
• M7: 2,304,406 km (0.108 R)
• M8: 3,064,363 km (0.066 R)
• M9: 3,229,519 km (0.113 R)
• M10: 4,679,272 km (0.09 R)
• M11: 4,994,475 km (0.045 R)
• M12: 5,124,475 km (0.088 R)
• M13: 5,528,090 km (0.095 R)
• M14: 6,025,353 km (0.034 R)
• M15: 7,272,850 km (0.084 R)
• M16: 9,801,802 km (0.085 R)
• M17: 10,581,506 km (0.094 R)
• M18: 11,178,850 km (0.079 R)
• M19: 12,982,851 km (0.11 R)
• M20: 22,934,999 km (0.107 R)
• M21: 24,770,415 km (0.027 R)
• M22: 30,642,132 km (0.107 R)
• M23: 36,883,505 km (0.06 R)
• M24: 38,125,167 km (0.088 R)
• M25: 46,165,305 km (0.084 R)
• M26: 48,929,125 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.4

Radius: 7.9

Gravity: 15.66 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.92 AU - 7.88 AU

Year: 11381 Days

Day: 20.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 58,822,877 km

• M1: 100,530 km (0.033 R)
• M2: 352,602 km (0.03 R)
• M3: 604,226 km (0.119 R)
• M4: 879,935 km (0.119 R)
• M5: 1,266,944 km (0.106 R)
• M6: 1,951,205 km (0.105 R)
• M7: 2,551,840 km (0.088 R)
• M8: 2,977,446 km (0.056 R)
• M9: 3,717,507 km (0.032 R)
• M10: 4,325,922 km (0.069 R)
• M11: 5,521,209 km (0.105 R)
• M12: 7,351,090 km (0.117 R)
• M13: 9,242,904 km (0.104 R)
• M14: 10,802,761 km (0.096 R)
• M15: 12,468,235 km (0.069 R)
• M16: 15,063,608 km (0.096 R)
• M17: 16,904,709 km (0.105 R)
• M18: 18,973,498 km (0.085 R)
• M19: 19,473,753 km (0.071 R)
• M20: 21,744,200 km (0.108 R)
• M21: 22,017,067 km (0.037 R)
• M22: 23,702,436 km (0.047 R)
• M23: 25,673,987 km (0.094 R)
• M24: 25,978,867 km (0.104 R)
• M25: 27,645,836 km (0.099 R)
• M26: 27,966,125 km (0.113 R)
• M27: 29,493,819 km (0.061 R)
• M28: 31,076,265 km (0.113 R)
• M29: 39,439,235 km (0.104 R)
• M30: 44,497,438 km (0.109 R)
• M31: 45,380,514 km (0.112 R)
• M32: 49,971,822 km (0.083 R)
• M33: 51,891,911 km (0.099 R)
• M34: 54,527,676 km (0.1 R)
• M35: 57,946,436 km (0.087 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 13,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit