🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521

Radius: 10.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.47 AU - 0.55 AU

Year: 247 Days

Day: 13.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,228,850 km

• M1: 130,599 km (0.071 R)
• M2: 509,530 km (0.062 R)
• M3: 983,905 km (0.106 R)
• M4: 1,317,060 km (0.09 R)
• M5: 1,653,206 km (0.073 R)
• M6: 1,998,478 km (0.092 R)
• M7: 2,423,934 km (0.055 R)
• M8: 3,200,497 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.5

Radius: 9.9

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.5 AU - 0.6 AU

Year: 277 Days

Day: 14.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,228,850 km

• M1: 123,269 km (0.114 R)
• M2: 435,928 km (0.083 R)
• M3: 778,507 km (0.055 R)
• M4: 1,178,981 km (0.086 R)
• M5: 1,551,928 km (0.065 R)
• M6: 1,886,280 km (0.099 R)
• M7: 2,292,288 km (0.111 R)
• M8: 2,660,299 km (0.064 R)
• M9: 3,163,995 km (0.064 R)
• M10: 3,558,784 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.3

Radius: 12.2

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.65 AU - 0.85 AU

Year: 441 Days

Day: 10.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,228,850 km

• M1: 151,692 km (0.113 R)
• M2: 612,304 km (0.111 R)
• M3: 1,195,437 km (0.061 R)
• M4: 1,878,052 km (0.104 R)
• M5: 2,259,526 km (0.085 R)
• M6: 3,835,839 km (0.086 R)
• M7: 4,357,487 km (0.109 R)
• M8: 5,326,881 km (0.056 R)
• M9: 5,749,495 km (0.085 R)
• M10: 6,176,298 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.2

Radius: 11.2

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.29 AU - 1.31 AU

Year: 1005 Days

Day: 7.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,228,850 km

• M1: 139,425 km (0.07 R)
• M2: 516,711 km (0.081 R)
• M3: 1,382,733 km (0.119 R)
• M4: 1,778,868 km (0.1 R)
• M5: 2,251,298 km (0.086 R)
• M6: 2,920,749 km (0.077 R)
• M7: 3,452,120 km (0.037 R)
• M8: 3,967,186 km (0.086 R)
• M9: 5,228,446 km (0.106 R)
• M10: 5,888,920 km (0.093 R)
• M11: 6,785,909 km (0.038 R)
• M12: 7,400,607 km (0.064 R)
• M13: 8,795,756 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.9

Radius: 12.7

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.36 AU - 1.54 AU

Year: 1184 Days

Day: 8.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,228,850 km

• M1: 159,771 km (0.091 R)
• M2: 714,180 km (0.082 R)
• M3: 1,754,933 km (0.114 R)
• M4: 2,327,294 km (0.117 R)
• M5: 3,022,326 km (0.092 R)
• M6: 6,148,472 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.8

Radius: 13.5

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.18 AU - 1.8 AU

Year: 1234 Days

Day: 14.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,228,850 km

• M1: 167,998 km (0.081 R)
• M2: 601,383 km (0.064 R)
• M3: 1,103,733 km (0.03 R)
• M4: 1,613,862 km (0.076 R)
• M5: 2,271,494 km (0.085 R)
• M6: 2,713,406 km (0.08 R)
• M7: 3,185,537 km (0.056 R)
• M8: 3,965,241 km (0.113 R)
• M9: 5,000,758 km (0.108 R)
• M10: 5,970,002 km (0.094 R)
• M11: 6,522,617 km (0.032 R)
• M12: 7,304,266 km (0.107 R)
• M13: 8,717,218 km (0.081 R)
• M14: 10,336,614 km (0.053 R)
• M15: 10,875,616 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.9

Radius: 12.9

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.3 AU - 2.42 AU

Year: 2459 Days

Day: 6.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,228,850 km

• M1: 160,369 km (0.105 R)
• M2: 694,284 km (0.082 R)
• M3: 1,315,863 km (0.066 R)
• M4: 1,927,419 km (0.079 R)
• M5: 2,665,535 km (0.078 R)
• M6: 3,190,773 km (0.107 R)
• M7: 3,656,621 km (0.114 R)
• M8: 4,410,444 km (0.118 R)
• M9: 5,430,104 km (0.119 R)
• M10: 6,333,076 km (0.093 R)
• M11: 7,017,337 km (0.112 R)
• M12: 7,780,735 km (0.06 R)
• M13: 9,369,464 km (0.075 R)
• M14: 10,185,670 km (0.057 R)
• M15: 10,971,957 km (0.049 R)
• M16: 15,378,661 km (0.063 R)
• M17: 16,413,729 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.9

Radius: 5

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.2 AU - 7.76 AU

Year: 12508 Days

Day: 16.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,228,850 km

• M1: 62,233 km (0.082 R)
• M2: 256,860 km (0.082 R)
• M3: 655,239 km (0.109 R)
• M4: 882,627 km (0.107 R)
• M5: 1,240,316 km (0.085 R)
• M6: 1,551,180 km (0.102 R)
• M7: 1,761,665 km (0.064 R)
• M8: 1,974,991 km (0.116 R)
• M9: 2,309,941 km (0.119 R)
• M10: 3,639,567 km (0.096 R)
• M11: 4,302,435 km (0.092 R)
• M12: 5,163,371 km (0.082 R)
• M13: 5,666,917 km (0.12 R)
• M14: 5,863,937 km (0.097 R)
• M15: 7,068,051 km (0.107 R)
• M16: 7,296,487 km (0.101 R)
• M17: 7,688,134 km (0.099 R)
• M18: 8,093,694 km (0.112 R)
• M19: 9,036,011 km (0.112 R)
• M20: 9,214,930 km (0.076 R)
• M21: 10,144,980 km (0.109 R)
• M22: 10,682,485 km (0.046 R)
• M23: 11,497,793 km (0.055 R)
• M24: 17,347,519 km (0.098 R)
• M25: 19,867,944 km (0.102 R)
• M26: 21,254,716 km (0.102 R)
• M27: 23,285,956 km (0.108 R)
• M28: 27,354,868 km (0.086 R)
• M29: 27,823,708 km (0.082 R)
• M30: 30,851,569 km (0.093 R)
• M31: 35,073,370 km (0.055 R)
• M32: 38,951,695 km (0.117 R)

Asteroid Belt

Center: 8.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.2

Radius: 6.7

Gravity: 19.52 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.83 AU - 10.25 AU

Year: 18435 Days

Day: 21.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,228,850 km

• M1: 83,326 km (0.083 R)
• M2: 645,066 km (0.11 R)
• M3: 1,163,572 km (0.064 R)
• M4: 1,587,533 km (0.051 R)
• M5: 4,371,250 km (0.108 R)
• M6: 4,754,520 km (0.03 R)
• M7: 5,274,522 km (0.096 R)
• M8: 5,668,712 km (0.112 R)
• M9: 6,210,107 km (0.058 R)
• M10: 7,062,815 km (0.12 R)
• M11: 7,640,262 km (0.117 R)
• M12: 8,564,628 km (0.11 R)
• M13: 8,888,657 km (0.051 R)
• M14: 9,109,164 km (0.103 R)
• M15: 10,388,525 km (0.078 R)
• M16: 11,262,476 km (0.117 R)
• M17: 13,514,971 km (0.095 R)
• M18: 20,092,340 km (0.1 R)
• M19: 22,143,776 km (0.09 R)
• M20: 22,549,785 km (0.109 R)
• M21: 23,272,342 km (0.078 R)
• M22: 24,546,467 km (0.054 R)
• M23: 28,767,521 km (0.115 R)
• M24: 34,658,835 km (0.115 R)
• M25: 41,306,216 km (0.115 R)
• M26: 41,921,512 km (0.08 R)
• M27: 44,443,732 km (0.067 R)
• M28: 50,485,093 km (0.037 R)
• M29: 52,614,469 km (0.077 R)
• M30: 66,450,626 km (0.103 R)
• M31: 68,360,841 km (0.056 R)
• M32: 69,221,478 km (0.05 R)
• M33: 70,744,983 km (0.101 R)
• M34: 74,084,456 km (0.075 R)
• M35: 77,062,501 km (0.217 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 14,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit