🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.2

Radius: 13.6

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.51 AU - 0.57 AU

Year: 265 Days

Day: 6.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,429,786 km

• M1: 173,384 km (0.071 R)
• M2: 585,676 km (0.09 R)
• M3: 1,063,342 km (0.107 R)
• M4: 1,490,743 km (0.054 R)
• M5: 1,790,238 km (0.047 R)
• M6: 2,082,103 km (0.118 R)
• M7: 2,522,818 km (0.042 R)
• M8: 2,859,115 km (0.115 R)
• M9: 3,490,866 km (0.114 R)
• M10: 4,002,641 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796

Radius: 8.5

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.59 AU - 0.91 AU

Year: 433 Days

Day: 11.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,429,786 km

• M1: 108,458 km (0.092 R)
• M2: 314,754 km (0.107 R)
• M3: 557,701 km (0.09 R)
• M4: 762,949 km (0.078 R)
• M5: 960,269 km (0.1 R)
• M6: 1,392,906 km (0.097 R)
• M7: 2,001,171 km (0.084 R)
• M8: 2,167,972 km (0.106 R)
• M9: 2,334,475 km (0.109 R)
• M10: 2,608,089 km (0.101 R)
• M11: 2,997,642 km (0.106 R)
• M12: 3,264,076 km (0.114 R)
• M13: 3,523,927 km (0.074 R)
• M14: 4,064,873 km (0.112 R)
• M15: 4,334,897 km (0.113 R)
• M16: 4,858,490 km (0.071 R)
• M17: 5,021,402 km (0.04 R)
• M18: 5,794,973 km (0.034 R)
• M19: 6,129,922 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102

Radius: 13.1

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.86 AU - 0.98 AU

Year: 588 Days

Day: 14.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,429,786 km

• M1: 162,912 km (0.053 R)
• M2: 901,626 km (0.112 R)
• M3: 1,264,252 km (0.119 R)
• M4: 1,514,678 km (0.086 R)
• M5: 1,874,910 km (0.058 R)
• M6: 2,465,822 km (0.118 R)
• M7: 2,797,331 km (0.093 R)
• M8: 3,477,851 km (0.026 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.6

Radius: 8.1

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.89 AU - 2.43 AU

Year: 2117 Days

Day: 5.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 67,429,786 km

• M1: 101,577 km (0.085 R)
• M2: 1,107,623 km (0.079 R)
• M3: 3,231,613 km (0.104 R)
• M4: 4,383,816 km (0.118 R)
• M5: 4,571,262 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.7

Radius: 14.4

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.28 AU - 3.34 AU

Year: 3141 Days

Day: 10.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,429,786 km

• M1: 179,368 km (0.077 R)
• M2: 448,794 km (0.09 R)
• M3: 1,108,371 km (0.055 R)
• M4: 1,523,056 km (0.102 R)
• M5: 1,795,773 km (0.043 R)
• M6: 2,318,468 km (0.071 R)
• M7: 2,859,414 km (0.106 R)
• M8: 3,644,503 km (0.048 R)
• M9: 4,409,696 km (0.098 R)
• M10: 5,421,128 km (0.08 R)
• M11: 5,907,620 km (0.116 R)
• M12: 6,209,957 km (0.077 R)
• M13: 6,752,249 km (0.115 R)
• M14: 8,639,576 km (0.116 R)
• M15: 9,279,706 km (0.09 R)
• M16: 10,955,052 km (0.061 R)
• M17: 12,478,557 km (0.074 R)
• M18: 12,830,710 km (0.112 R)
• M19: 13,763,752 km (0.115 R)
• M20: 14,888,728 km (0.117 R)
• M21: 16,897,379 km (0.115 R)
• M22: 17,410,948 km (0.033 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.4

Radius: 8.3

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.8 AU - 5.48 AU

Year: 6665 Days

Day: 9.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,429,786 km

• M1: 104,719 km (0.058 R)
• M2: 404,363 km (0.111 R)
• M3: 1,186,760 km (0.057 R)
• M4: 1,422,077 km (0.046 R)
• M5: 1,737,878 km (0.086 R)
• M6: 3,319,128 km (0.1 R)
• M7: 3,567,311 km (0.12 R)
• M8: 3,759,394 km (0.095 R)
• M9: 4,001,294 km (0.065 R)
• M10: 5,046,086 km (0.056 R)
• M11: 5,275,120 km (0.09 R)
• M12: 7,082,711 km (0.074 R)
• M13: 8,657,378 km (0.053 R)
• M14: 8,823,582 km (0.051 R)
• M15: 9,996,579 km (0.105 R)
• M16: 10,721,081 km (0.098 R)
• M17: 12,286,473 km (0.094 R)
• M18: 12,684,703 km (0.066 R)
• M19: 14,469,555 km (0.093 R)
• M20: 16,145,350 km (0.093 R)
• M21: 17,251,327 km (0.103 R)
• M22: 20,228,474 km (0.076 R)
• M23: 20,842,125 km (0.062 R)
• M24: 21,465,050 km (0.079 R)
• M25: 23,608,040 km (0.12 R)
• M26: 24,661,807 km (0.051 R)
• M27: 24,999,300 km (0.054 R)
• M28: 26,663,427 km (0.116 R)
• M29: 30,526,343 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446

Radius: 5.4

Gravity: 15.29 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.47 AU - 11.27 AU

Year: 20678 Days

Day: 20.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 67,429,786 km

• M1: 82,279 km (0.11 R)
• M2: 927,357 km (0.118 R)
• M3: 1,276,668 km (0.09 R)
• M4: 1,406,370 km (0.11 R)
• M5: 2,201,482 km (0.099 R)
• M6: 2,788,654 km (0.101 R)
• M7: 3,037,884 km (0.09 R)
• M8: 3,327,505 km (0.074 R)
• M9: 3,979,603 km (0.065 R)
• M10: 4,176,922 km (0.102 R)
• M11: 4,905,464 km (0.1 R)
• M12: 7,808,560 km (0.055 R)
• M13: 8,272,014 km (0.057 R)
• M14: 9,041,546 km (0.079 R)
• M15: 10,737,686 km (0.116 R)
• M16: 11,116,319 km (0.117 R)
• M17: 11,724,733 km (0.062 R)
• M18: 12,580,433 km (0.069 R)
• M19: 12,872,448 km (0.063 R)
• M20: 14,383,087 km (0.103 R)
• M21: 15,265,864 km (0.079 R)
• M22: 15,847,202 km (0.12 R)
• M23: 17,864,080 km (0.037 R)
• M24: 21,267,581 km (0.086 R)
• M25: 21,800,000 km (0.114 R)
• M26: 25,379,877 km (0.117 R)
• M27: 25,711,386 km (0.08 R)
• M28: 26,633,956 km (0.037 R)
• M29: 27,229,505 km (0.081 R)
• M30: 29,588,364 km (0.1 R)
• M31: 30,306,285 km (0.115 R)
• M32: 34,120,432 km (0.11 R)
• M33: 34,312,216 km (0.115 R)
• M34: 37,555,498 km (0.113 R)
• M35: 40,318,272 km (0.091 R)
• M36: 41,155,721 km (0.094 R)
• M37: 44,372,972 km (0.071 R)
• M38: 44,591,834 km (0.07 R)
• M39: 48,507,858 km (0.074 R)
• M40: 49,195,858 km (0.046 R)
• M41: 51,641,634 km (0.067 R)
• M42: 59,335,751 km (0.115 R)
• M43: 60,861,949 km (0.026 R)
• M44: 64,894,360 km (0.096 R)
• M45: 66,089,198 km (0.06 R)
• M46: 67,295,106 km (0.114 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: 470 - 13,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit