🌌 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: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.3

Radius: 14.5

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.54 AU - 0.76 AU

Year: 368 Days

Day: 12.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,417,666 km

• M1: 180,415 km (0.083 R)
• M2: 646,412 km (0.092 R)
• M3: 1,244,205 km (0.082 R)
• M4: 1,793,230 km (0.087 R)
• M5: 2,486,017 km (0.104 R)
• M6: 3,001,083 km (0.079 R)
• M7: 3,516,148 km (0.081 R)
• M8: 4,304,679 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.9

Radius: 10.5

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.79 AU - 0.79 AU

Year: 494 Days

Day: 14.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 145.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,417,666 km

• M1: 131,347 km (0.108 R)
• M2: 465,549 km (0.093 R)
• M3: 833,111 km (0.098 R)
• M4: 1,176,138 km (0.107 R)
• M5: 1,565,542 km (0.107 R)
• M6: 2,263,266 km (0.076 R)
• M7: 2,725,972 km (0.077 R)
• M8: 3,099,219 km (0.092 R)
• M9: 3,444,641 km (0.056 R)
• M10: 3,815,942 km (0.096 R)
• M11: 5,240,713 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.1

Radius: 13.2

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.2 AU - 1.62 AU

Year: 1177 Days

Day: 10.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,417,666 km

• M1: 175,927 km (0.08 R)
• M2: 616,493 km (0.06 R)
• M3: 1,051,523 km (0.045 R)
• M4: 1,641,687 km (0.075 R)
• M5: 2,488,411 km (0.119 R)
• M6: 3,194,812 km (0.082 R)
• M7: 3,891,789 km (0.08 R)
• M8: 4,517,407 km (0.092 R)
• M9: 5,679,483 km (0.052 R)
• M10: 6,467,266 km (0.093 R)
• M11: 7,178,304 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.9

Radius: 8.9

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.46 AU - 2.3 AU

Year: 1812 Days

Day: 10.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,417,666 km

• M1: 110,702 km (0.111 R)
• M2: 413,189 km (0.084 R)
• M3: 870,660 km (0.115 R)
• M4: 1,220,719 km (0.079 R)
• M5: 1,895,106 km (0.078 R)
• M6: 3,767,323 km (0.115 R)
• M7: 4,601,631 km (0.118 R)
• M8: 6,144,583 km (0.108 R)
• M9: 6,679,994 km (0.061 R)
• M10: 6,996,244 km (0.06 R)
• M11: 7,685,291 km (0.037 R)
• M12: 8,087,111 km (0.118 R)
• M13: 8,816,850 km (0.113 R)
• M14: 9,109,014 km (0.089 R)
• M15: 11,476,401 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.3

Radius: 3.1

Gravity: 88.58 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.18 AU - 10 AU

Year: 17697 Days

Day: 21 Hours

Environment

Temp: -231 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,417,666 km

• M1: 38,596 km (0.113 R)
• M2: 141,669 km (0.077 R)
• M3: 341,532 km (0.055 R)
• M4: 515,664 km (0.074 R)
• M5: 1,029,084 km (0.053 R)
• M6: 1,133,353 km (0.118 R)
• M7: 1,259,016 km (0.086 R)
• M8: 2,349,435 km (0.078 R)
• M9: 2,554,533 km (0.078 R)
• M10: 2,722,232 km (0.119 R)
• M11: 3,886,852 km (0.041 R)
• M12: 4,044,528 km (0.113 R)
• M13: 4,305,726 km (0.058 R)
• M14: 4,753,921 km (0.078 R)
• M15: 4,897,834 km (0.101 R)
• M16: 5,347,226 km (0.108 R)
• M17: 6,030,141 km (0.114 R)
• M18: 7,912,680 km (0.058 R)
• M19: 11,068,447 km (0.096 R)
• M20: 12,305,023 km (0.065 R)
• M21: 14,068,333 km (0.081 R)
• M22: 14,590,580 km (0.111 R)
• M23: 15,203,183 km (0.119 R)
• M24: 16,809,565 km (0.116 R)
• M25: 19,425,583 km (0.112 R)
• M26: 19,979,544 km (0.086 R)
• M27: 24,794,949 km (0.115 R)
• M28: 25,556,103 km (0.071 R)
• M29: 27,700,290 km (0.071 R)
• M30: 29,475,568 km (0.069 R)
• M31: 29,961,462 km (0.03 R)
• M32: 34,442,815 km (0.075 R)
• M33: 34,846,580 km (0.088 R)
• M34: 39,939,789 km (0.112 R)
• M35: 46,318,942 km (0.112 R)
• M36: 48,643,692 km (0.103 R)
• M37: 54,793,063 km (0.049 R)
• M38: 58,338,532 km (0.082 R)
• M39: 70,101,861 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.4

Radius: 6.5

Gravity: 21.67 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.21 AU - 11.01 AU

Year: 20941 Days

Day: 21.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,417,666 km

• M1: 91,554 km (0.03 R)
• M2: 349,461 km (0.106 R)
• M3: 551,567 km (0.091 R)
• M4: 1,215,632 km (0.049 R)
• M5: 1,724,115 km (0.061 R)
• M6: 1,935,796 km (0.091 R)
• M7: 2,208,364 km (0.106 R)
• M8: 2,554,683 km (0.048 R)
• M9: 3,534,399 km (0.11 R)
• M10: 3,878,474 km (0.112 R)
• M11: 4,818,248 km (0.103 R)
• M12: 5,987,804 km (0.109 R)
• M13: 8,539,495 km (0.054 R)
• M14: 9,930,456 km (0.062 R)
• M15: 12,645,508 km (0.077 R)
• M16: 14,134,007 km (0.105 R)
• M17: 15,488,017 km (0.115 R)
• M18: 20,458,855 km (0.107 R)
• M19: 23,900,653 km (0.077 R)
• M20: 26,870,171 km (0.105 R)
• M21: 34,642,828 km (0.067 R)
• M22: 37,237,453 km (0.049 R)
• M23: 37,533,657 km (0.119 R)
• M24: 51,070,469 km (0.083 R)
• M25: 59,722,911 km (0.117 R)
• M26: 66,003,478 km (0.073 R)
• M27: 78,149,329 km (0.103 R)
• M28: 83,346,658 km (0.098 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: 537 - 18,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit