🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.2

Radius: 13.1

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.53 AU - 0.67 AU

Year: 315 Days

Day: 8.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,752,881 km

• M1: 163,510 km (0.076 R)
• M2: 593,006 km (0.104 R)
• M3: 1,066,633 km (0.067 R)
• M4: 1,482,066 km (0.06 R)
• M5: 1,960,181 km (0.096 R)
• M6: 2,452,059 km (0.109 R)
• M7: 2,915,513 km (0.119 R)
• M8: 3,336,332 km (0.103 R)
• M9: 3,787,070 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.6

Radius: 14.7

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.54 AU - 0.9 AU

Year: 414 Days

Day: 11.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,752,881 km

• M1: 182,809 km (0.056 R)
• M2: 730,038 km (0.113 R)
• M3: 1,244,056 km (0.071 R)
• M4: 1,794,127 km (0.086 R)
• M5: 2,286,903 km (0.103 R)
• M6: 3,260,635 km (0.062 R)
• M7: 4,136,980 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.9

Radius: 11.1

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.62 AU - 0.82 AU

Year: 414 Days

Day: 13.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,752,881 km

• M1: 138,079 km (0.053 R)
• M2: 516,561 km (0.103 R)
• M3: 927,806 km (0.117 R)
• M4: 1,313,619 km (0.102 R)
• M5: 1,890,618 km (0.061 R)
• M6: 2,434,107 km (0.096 R)
• M7: 3,036,837 km (0.055 R)
• M8: 3,663,353 km (0.088 R)
• M9: 4,583,380 km (0.027 R)
• M10: 5,037,409 km (0.035 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.8

Radius: 14

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.54 AU - 0.9 AU

Year: 414 Days

Day: 13.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,752,881 km

• M1: 174,132 km (0.116 R)
• M2: 624,721 km (0.03 R)
• M3: 1,116,599 km (0.11 R)
• M4: 1,577,210 km (0.109 R)
• M5: 2,080,458 km (0.045 R)
• M6: 2,874,822 km (0.04 R)
• M7: 3,661,258 km (0.104 R)
• M8: 4,358,534 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.4

Radius: 14.5

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.48 AU - 2.08 AU

Year: 1611 Days

Day: 13.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,752,881 km

• M1: 180,265 km (0.108 R)
• M2: 656,585 km (0.062 R)
• M3: 1,122,134 km (0.066 R)
• M4: 1,591,273 km (0.053 R)
• M5: 2,096,614 km (0.083 R)
• M6: 2,697,399 km (0.07 R)
• M7: 3,233,109 km (0.036 R)
• M8: 3,790,660 km (0.109 R)
• M9: 4,286,129 km (0.061 R)
• M10: 4,902,921 km (0.109 R)
• M11: 5,686,365 km (0.076 R)
• M12: 6,200,084 km (0.078 R)
• M13: 7,244,576 km (0.089 R)
• M14: 8,318,539 km (0.118 R)
• M15: 8,953,133 km (0.049 R)
• M16: 10,549,343 km (0.119 R)
• M17: 12,036,794 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.2

Radius: 14.5

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.68 AU - 2.7 AU

Year: 2198 Days

Day: 5.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,752,881 km

• M1: 180,565 km (0.11 R)
• M2: 1,243,009 km (0.12 R)
• M3: 2,014,635 km (0.102 R)
• M4: 3,039,978 km (0.067 R)
• M5: 5,765,502 km (0.118 R)
• M6: 6,706,323 km (0.075 R)
• M7: 8,344,719 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.7

Radius: 11.4

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.58 AU - 5.54 AU

Year: 7720 Days

Day: 10.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,752,881 km

• M1: 141,819 km (0.111 R)
• M2: 686,355 km (0.102 R)
• M3: 1,044,044 km (0.102 R)
• M4: 5,934,847 km (0.099 R)
• M5: 8,672,189 km (0.093 R)
• M6: 9,383,826 km (0.099 R)
• M7: 10,876,214 km (0.085 R)
• M8: 11,456,355 km (0.106 R)
• M9: 12,997,213 km (0.117 R)
• M10: 15,743,530 km (0.092 R)
• M11: 16,802,683 km (0.091 R)
• M12: 18,108,972 km (0.057 R)
• M13: 18,855,615 km (0.063 R)
• M14: 21,368,410 km (0.08 R)
• M15: 27,756,389 km (0.119 R)
• M16: 34,584,036 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.4

Radius: 3.9

Gravity: 33.16 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.44 AU - 9.44 AU

Year: 15175 Days

Day: 24.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,752,881 km

• M1: 56,099 km (0.12 R)
• M2: 195,375 km (0.07 R)
• M3: 416,032 km (0.082 R)
• M4: 623,973 km (0.103 R)
• M5: 828,174 km (0.04 R)
• M6: 1,123,330 km (0.072 R)
• M7: 1,315,713 km (0.08 R)
• M8: 1,884,933 km (0.106 R)
• M9: 2,253,692 km (0.027 R)
• M10: 2,757,687 km (0.044 R)
• M11: 3,307,609 km (0.098 R)
• M12: 3,870,396 km (0.062 R)
• M13: 4,159,868 km (0.071 R)
• M14: 4,814,508 km (0.12 R)
• M15: 5,217,974 km (0.076 R)
• M16: 6,808,648 km (0.047 R)
• M17: 7,894,579 km (0.042 R)
• M18: 8,312,406 km (0.099 R)
• M19: 9,706,359 km (0.056 R)
• M20: 10,792,589 km (0.104 R)
• M21: 14,464,917 km (0.088 R)
• M22: 15,659,905 km (0.093 R)
• M23: 16,170,483 km (0.096 R)
• M24: 16,392,635 km (0.045 R)
• M25: 19,974,756 km (0.098 R)
• M26: 22,540,061 km (0.075 R)
• M27: 26,838,307 km (0.079 R)
• M28: 27,886,090 km (0.089 R)
• M29: 28,312,743 km (0.096 R)
• M30: 31,192,502 km (0.101 R)
• M31: 34,018,556 km (0.09 R)
• M32: 37,915,132 km (0.026 R)
• M33: 38,176,329 km (0.107 R)
• M34: 51,528,538 km (0.08 R)
• M35: 53,635,025 km (0.061 R)
• M36: 53,964,141 km (0.117 R)
• M37: 54,959,415 km (0.032 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.4

Radius: 6.5

Gravity: 15.63 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.73 AU - 10.27 AU

Year: 21448 Days

Day: 23 Hours

Environment

Temp: -240 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,752,881 km

• M1: 81,531 km (0.108 R)
• M2: 368,160 km (0.095 R)
• M3: 719,715 km (0.058 R)
• M4: 1,339,799 km (0.115 R)
• M5: 1,882,988 km (0.029 R)
• M6: 2,707,422 km (0.104 R)
• M7: 3,118,667 km (0.105 R)
• M8: 5,542,751 km (0.05 R)
• M9: 5,826,687 km (0.065 R)
• M10: 6,920,397 km (0.115 R)
• M11: 7,589,549 km (0.093 R)
• M12: 10,764,315 km (0.082 R)
• M13: 13,169,849 km (0.072 R)
• M14: 14,195,043 km (0.045 R)
• M15: 19,846,402 km (0.05 R)
• M16: 20,415,621 km (0.111 R)
• M17: 21,487,341 km (0.118 R)
• M18: 23,954,957 km (0.1 R)
• M19: 25,036,700 km (0.095 R)
• M20: 27,413,810 km (0.116 R)
• M21: 30,434,789 km (0.082 R)
• M22: 34,889,365 km (0.081 R)
• M23: 37,271,412 km (0.028 R)
• M24: 40,210,112 km (0.043 R)
• M25: 49,946,241 km (0.118 R)
• M26: 52,424,330 km (0.117 R)
• M27: 53,693,668 km (0.06 R)
• M28: 67,532,219 km (0.07 R)
• M29: 70,558,434 km (0.057 R)
• M30: 73,223,371 km (0.086 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: 202 - 19,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit