🌌 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: 370.9

Radius: 13.8

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.63 AU - 0.67 AU

Year: 349 Days

Day: 8.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,474,618 km

• M1: 171,589 km (0.12 R)
• M2: 648,507 km (0.086 R)
• M3: 1,094,009 km (0.038 R)
• M4: 1,586,785 km (0.095 R)
• M5: 2,057,270 km (0.042 R)
• M6: 2,570,540 km (0.112 R)
• M7: 3,249,266 km (0.12 R)
• M8: 3,714,366 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.4

Radius: 13.5

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.68 AU - 0.76 AU

Year: 407 Days

Day: 10.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,474,618 km

• M1: 168,298 km (0.07 R)
• M2: 603,179 km (0.058 R)
• M3: 1,053,169 km (0.039 R)
• M4: 1,665,473 km (0.091 R)
• M5: 2,608,837 km (0.067 R)
• M6: 3,031,302 km (0.093 R)
• M7: 3,512,259 km (0.058 R)
• M8: 3,989,925 km (0.081 R)
• M9: 4,452,481 km (0.06 R)
• M10: 5,061,644 km (0.048 R)
• M11: 5,830,278 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.3

Radius: 11.5

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.69 AU - 0.79 AU

Year: 424 Days

Day: 6.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,474,618 km

• M1: 143,016 km (0.109 R)
• M2: 570,865 km (0.117 R)
• M3: 1,555,818 km (0.096 R)
• M4: 2,069,687 km (0.119 R)
• M5: 2,496,040 km (0.109 R)
• M6: 3,229,519 km (0.099 R)
• M7: 3,641,063 km (0.06 R)
• M8: 5,466,456 km (0.101 R)
• M9: 6,054,226 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.7

Radius: 9.5

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.1 AU - 1.16 AU

Year: 801 Days

Day: 14.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,474,618 km

• M1: 118,182 km (0.12 R)
• M2: 516,113 km (0.078 R)
• M3: 824,883 km (0.063 R)
• M4: 1,255,425 km (0.118 R)
• M5: 1,581,100 km (0.057 R)
• M6: 2,071,332 km (0.071 R)
• M7: 2,509,055 km (0.112 R)
• M8: 3,219,645 km (0.087 R)
• M9: 3,542,178 km (0.114 R)
• M10: 3,995,460 km (0.047 R)
• M11: 4,538,500 km (0.05 R)
• M12: 5,454,189 km (0.085 R)
• M13: 5,812,476 km (0.062 R)
• M14: 6,165,227 km (0.062 R)
• M15: 7,971,173 km (0.027 R)
• M16: 8,805,331 km (0.112 R)
• M17: 9,355,552 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.2

Radius: 15

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.59 AU - 2.43 AU

Year: 1900 Days

Day: 8.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,474,618 km

• M1: 186,549 km (0.044 R)
• M2: 673,041 km (0.094 R)
• M3: 1,143,975 km (0.117 R)
• M4: 1,665,623 km (0.103 R)
• M5: 2,147,777 km (0.091 R)
• M6: 3,141,854 km (0.102 R)
• M7: 4,078,936 km (0.038 R)
• M8: 4,907,109 km (0.058 R)
• M9: 6,092,822 km (0.103 R)
• M10: 6,568,843 km (0.069 R)
• M11: 7,112,631 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.7

Radius: 11.7

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.92 AU - 2.54 AU

Year: 2221 Days

Day: 10.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,474,618 km

• M1: 145,559 km (0.12 R)
• M2: 603,328 km (0.086 R)
• M3: 1,097,899 km (0.087 R)
• M4: 1,656,348 km (0.109 R)
• M5: 2,790,150 km (0.104 R)
• M6: 3,303,570 km (0.113 R)
• M7: 4,481,952 km (0.115 R)
• M8: 5,456,433 km (0.07 R)
• M9: 5,898,195 km (0.111 R)
• M10: 6,288,646 km (0.116 R)
• M11: 7,258,339 km (0.103 R)
• M12: 8,056,444 km (0.113 R)
• M13: 8,446,296 km (0.026 R)
• M14: 9,526,392 km (0.096 R)
• M15: 10,307,742 km (0.115 R)
• M16: 11,882,708 km (0.097 R)
• M17: 12,587,464 km (0.097 R)
• M18: 13,528,435 km (0.041 R)
• M19: 14,037,666 km (0.077 R)
• M20: 15,094,575 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.4

Radius: 9.7

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.93 AU - 2.77 AU

Year: 2402 Days

Day: 12.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,474,618 km

• M1: 120,576 km (0.083 R)
• M2: 489,035 km (0.087 R)
• M3: 822,639 km (0.095 R)
• M4: 1,251,237 km (0.112 R)
• M5: 1,606,532 km (0.117 R)
• M6: 2,234,693 km (0.112 R)
• M7: 2,540,321 km (0.074 R)
• M8: 3,118,068 km (0.096 R)
• M9: 3,724,239 km (0.119 R)
• M10: 4,343,724 km (0.09 R)
• M11: 4,869,111 km (0.109 R)
• M12: 5,363,233 km (0.038 R)
• M13: 5,685,617 km (0.111 R)
• M14: 6,126,930 km (0.049 R)
• M15: 7,375,773 km (0.112 R)
• M16: 7,712,817 km (0.111 R)
• M17: 8,551,014 km (0.054 R)
• M18: 9,883,483 km (0.078 R)
• M19: 12,304,275 km (0.102 R)
• M20: 13,538,009 km (0.099 R)
• M21: 14,231,844 km (0.116 R)
• M22: 16,198,158 km (0.043 R)
• M23: 17,139,578 km (0.095 R)
• M24: 18,395,003 km (0.067 R)
• M25: 19,361,704 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.5

Radius: 9.5

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.2 AU - 3.42 AU

Year: 3141 Days

Day: 12 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,474,618 km

• M1: 118,182 km (0.112 R)
• M2: 416,181 km (0.083 R)
• M3: 715,227 km (0.106 R)
• M4: 1,081,593 km (0.049 R)
• M5: 1,404,574 km (0.09 R)
• M6: 1,916,349 km (0.11 R)
• M7: 2,223,623 km (0.096 R)
• M8: 2,973,706 km (0.096 R)
• M9: 3,351,142 km (0.112 R)
• M10: 3,660,062 km (0.069 R)
• M11: 4,094,643 km (0.116 R)
• M12: 4,846,971 km (0.055 R)
• M13: 6,359,705 km (0.069 R)
• M14: 8,373,142 km (0.085 R)
• M15: 9,354,056 km (0.03 R)
• M16: 9,891,860 km (0.11 R)
• M17: 11,413,121 km (0.053 R)
• M18: 15,016,485 km (0.088 R)
• M19: 15,541,124 km (0.077 R)
• M20: 17,878,741 km (0.069 R)
• M21: 20,377,624 km (0.026 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.7

Radius: 5.7

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.87 AU - 7.53 AU

Year: 12883 Days

Day: 21.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,474,618 km

• M1: 85,271 km (0.103 R)
• M2: 331,060 km (0.103 R)
• M3: 553,363 km (0.071 R)
• M4: 1,044,193 km (0.053 R)
• M5: 1,470,846 km (0.045 R)
• M6: 1,776,026 km (0.097 R)
• M7: 2,319,964 km (0.104 R)
• M8: 2,563,060 km (0.11 R)
• M9: 2,877,066 km (0.104 R)
• M10: 3,885,505 km (0.069 R)
• M11: 5,495,328 km (0.067 R)
• M12: 5,781,808 km (0.073 R)
• M13: 6,199,485 km (0.053 R)
• M14: 8,110,299 km (0.095 R)
• M15: 8,942,662 km (0.086 R)
• M16: 9,582,791 km (0.094 R)
• M17: 10,599,608 km (0.086 R)
• M18: 11,134,121 km (0.074 R)
• M19: 11,546,712 km (0.057 R)
• M20: 12,160,512 km (0.097 R)
• M21: 12,499,800 km (0.116 R)
• M22: 14,079,254 km (0.074 R)
• M23: 18,761,069 km (0.117 R)
• M24: 19,410,623 km (0.093 R)
• M25: 21,100,331 km (0.109 R)
• M26: 23,852,632 km (0.089 R)
• M27: 25,629,706 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.7

Radius: 3.1

Gravity: 103.92 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 7.9 AU - 9.66 AU

Year: 17349 Days

Day: 22.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,474,618 km

• M1: 43,234 km (0.049 R)
• M2: 267,930 km (0.099 R)
• M3: 685,009 km (0.039 R)
• M4: 1,095,954 km (0.095 R)
• M5: 1,354,459 km (0.116 R)
• M6: 1,687,614 km (0.112 R)
• M7: 1,931,757 km (0.093 R)
• M8: 2,177,547 km (0.073 R)
• M9: 2,466,869 km (0.043 R)
• M10: 2,908,931 km (0.116 R)
• M11: 3,094,282 km (0.09 R)
• M12: 3,287,563 km (0.065 R)
• M13: 3,401,556 km (0.096 R)
• M14: 3,667,691 km (0.084 R)
• M15: 5,134,199 km (0.068 R)
• M16: 5,808,287 km (0.089 R)
• M17: 6,811,640 km (0.108 R)
• M18: 6,997,141 km (0.099 R)
• M19: 7,874,084 km (0.115 R)
• M20: 8,658,874 km (0.115 R)
• M21: 9,437,082 km (0.055 R)
• M22: 9,609,569 km (0.051 R)
• M23: 11,003,821 km (0.105 R)
• M24: 11,195,007 km (0.114 R)
• M25: 12,735,716 km (0.101 R)
• M26: 13,017,259 km (0.071 R)
• M27: 13,159,676 km (0.094 R)
• M28: 13,739,517 km (0.093 R)
• M29: 15,581,067 km (0.09 R)
• M30: 16,312,002 km (0.094 R)
• M31: 25,249,428 km (0.075 R)
• M32: 37,260,491 km (0.082 R)
• M33: 38,417,631 km (0.109 R)
• M34: 40,955,559 km (0.109 R)
• M35: 44,081,556 km (0.094 R)
• M36: 44,725,425 km (0.102 R)
• M37: 47,195,286 km (0.093 R)
• M38: 54,961,659 km (0.079 R)
• M39: 61,115,817 km (0.085 R)
• M40: 69,868,339 km (0.12 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 18,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit