🌌 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: 605.1

Radius: 12.2

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.52 AU - 0.56 AU

Year: 279 Days

Day: 11.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,398,859 km

• M1: 152,590 km (0.11 R)
• M2: 569,818 km (0.098 R)
• M3: 1,002,156 km (0.078 R)
• M4: 1,411,606 km (0.101 R)
• M5: 1,838,109 km (0.031 R)
• M6: 2,287,202 km (0.064 R)
• M7: 2,883,948 km (0.056 R)
• M8: 3,726,184 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.1

Radius: 10.5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.79 AU - 0.97 AU

Year: 580 Days

Day: 8.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,398,859 km

• M1: 130,599 km (0.037 R)
• M2: 473,178 km (0.114 R)
• M3: 1,162,824 km (0.082 R)
• M4: 1,525,449 km (0.093 R)
• M5: 1,868,477 km (0.037 R)
• M6: 2,881,405 km (0.08 R)
• M7: 3,224,881 km (0.11 R)
• M8: 3,595,884 km (0.089 R)
• M9: 3,968,682 km (0.086 R)
• M10: 4,554,657 km (0.064 R)
• M11: 5,391,806 km (0.111 R)
• M12: 5,917,045 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.2

Radius: 14.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.14 AU - 1.18 AU

Year: 878 Days

Day: 11.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,398,859 km

• M1: 180,265 km (0.111 R)
• M2: 655,239 km (0.04 R)
• M3: 1,425,817 km (0.032 R)
• M4: 1,943,426 km (0.106 R)
• M5: 2,587,594 km (0.038 R)
• M6: 3,581,074 km (0.037 R)
• M7: 4,246,336 km (0.035 R)
• M8: 5,065,234 km (0.071 R)
• M9: 5,532,279 km (0.109 R)
• M10: 6,553,733 km (0.104 R)
• M11: 7,041,422 km (0.057 R)
• M12: 7,745,879 km (0.107 R)
• M13: 8,943,709 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973

Radius: 8.3

Gravity: 14.12 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.01 AU - 1.41 AU

Year: 936 Days

Day: 8.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,398,859 km

• M1: 103,971 km (0.107 R)
• M2: 385,663 km (0.089 R)
• M3: 1,112,410 km (0.102 R)
• M4: 1,943,576 km (0.117 R)
• M5: 2,260,873 km (0.104 R)
• M6: 2,539,424 km (0.111 R)
• M7: 2,827,998 km (0.095 R)
• M8: 3,516,747 km (0.116 R)
• M9: 3,941,754 km (0.112 R)
• M10: 4,471,480 km (0.087 R)
• M11: 5,799,461 km (0.116 R)
• M12: 6,325,596 km (0.034 R)
• M13: 6,835,576 km (0.066 R)
• M14: 7,397,615 km (0.09 R)
• M15: 8,641,820 km (0.1 R)
• M16: 9,535,368 km (0.073 R)
• M17: 10,425,924 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.2

Radius: 12.3

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.32 AU - 1.74 AU

Year: 1330 Days

Day: 12.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,398,859 km

• M1: 153,188 km (0.102 R)
• M2: 540,348 km (0.113 R)
• M3: 1,246,599 km (0.068 R)
• M4: 1,771,538 km (0.057 R)
• M5: 2,313,232 km (0.036 R)
• M6: 2,771,001 km (0.097 R)
• M7: 3,264,375 km (0.074 R)
• M8: 3,802,179 km (0.064 R)
• M9: 4,728,190 km (0.096 R)
• M10: 5,331,519 km (0.071 R)
• M11: 6,940,444 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.1

Radius: 13.2

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.33 AU - 1.81 AU

Year: 1383 Days

Day: 13.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,398,859 km

• M1: 164,109 km (0.102 R)
• M2: 639,830 km (0.096 R)
• M3: 1,097,001 km (0.11 R)
• M4: 1,706,762 km (0.114 R)
• M5: 2,394,015 km (0.072 R)
• M6: 3,942,801 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.6

Radius: 9.6

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.26 AU - 3.3 AU

Year: 4176 Days

Day: 11.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,398,859 km

• M1: 119,379 km (0.107 R)
• M2: 666,459 km (0.034 R)
• M3: 998,267 km (0.064 R)
• M4: 1,600,697 km (0.079 R)
• M5: 1,940,434 km (0.077 R)
• M6: 2,459,239 km (0.118 R)
• M7: 2,849,391 km (0.099 R)
• M8: 3,446,286 km (0.075 R)
• M9: 4,124,563 km (0.118 R)
• M10: 5,355,903 km (0.069 R)
• M11: 6,097,908 km (0.055 R)
• M12: 6,757,336 km (0.106 R)
• M13: 8,457,815 km (0.04 R)
• M14: 9,463,113 km (0.09 R)
• M15: 9,802,550 km (0.098 R)
• M16: 11,242,878 km (0.106 R)
• M17: 11,969,924 km (0.111 R)
• M18: 12,322,825 km (0.098 R)
• M19: 15,194,805 km (0.114 R)
• M20: 16,083,566 km (0.094 R)
• M21: 16,567,815 km (0.063 R)
• M22: 18,021,607 km (0.083 R)
• M23: 19,497,988 km (0.067 R)
• M24: 21,309,618 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.4

Radius: 8.5

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.93 AU - 4.23 AU

Year: 4761 Days

Day: 8.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,398,859 km

• M1: 105,915 km (0.105 R)
• M2: 545,284 km (0.091 R)
• M3: 1,194,689 km (0.091 R)
• M4: 1,941,930 km (0.103 R)
• M5: 2,444,579 km (0.039 R)
• M6: 4,815,256 km (0.094 R)
• M7: 5,117,594 km (0.045 R)
• M8: 5,409,758 km (0.098 R)
• M9: 5,808,586 km (0.075 R)
• M10: 7,262,827 km (0.106 R)
• M11: 8,164,902 km (0.076 R)
• M12: 9,304,090 km (0.064 R)
• M13: 9,706,359 km (0.093 R)
• M14: 10,836,122 km (0.118 R)
• M15: 11,509,013 km (0.063 R)
• M16: 11,777,990 km (0.078 R)
• M17: 12,569,961 km (0.098 R)
• M18: 15,205,128 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.5

Radius: 3.2

Gravity: 15.87 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.26 AU - 8.54 AU

Year: 14150 Days

Day: 17.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,398,859 km

• M1: 40,242 km (0.102 R)
• M2: 659,278 km (0.086 R)
• M3: 1,048,531 km (0.087 R)
• M4: 1,196,334 km (0.039 R)
• M5: 2,907,734 km (0.046 R)
• M6: 3,051,797 km (0.113 R)
• M7: 4,516,210 km (0.078 R)
• M8: 7,253,851 km (0.105 R)
• M9: 7,909,239 km (0.059 R)
• M10: 10,634,613 km (0.069 R)
• M11: 13,868,171 km (0.063 R)
• M12: 17,632,652 km (0.105 R)
• M13: 24,219,147 km (0.083 R)
• M14: 32,171,770 km (0.104 R)
• M15: 33,507,529 km (0.091 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 19,589 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit