🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.4

Radius: 13.6

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.6 AU - 0.74 AU

Year: 372 Days

Day: 6.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,044,111 km

• M1: 170,990 km (0.105 R)
• M2: 600,187 km (0.085 R)
• M3: 1,167,911 km (0.057 R)
• M4: 1,819,708 km (0.053 R)
• M5: 2,766,663 km (0.116 R)
• M6: 3,968,532 km (0.081 R)
• M7: 5,689,955 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.1

Radius: 8.6

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.62 AU - 0.76 AU

Year: 389 Days

Day: 10.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,044,111 km

• M1: 107,561 km (0.028 R)
• M2: 415,284 km (0.089 R)
• M3: 730,187 km (0.039 R)
• M4: 1,069,475 km (0.117 R)
• M5: 1,343,838 km (0.119 R)
• M6: 2,108,133 km (0.078 R)
• M7: 2,451,012 km (0.097 R)
• M8: 3,025,318 km (0.098 R)
• M9: 3,573,893 km (0.103 R)
• M10: 3,967,336 km (0.112 R)
• M11: 4,363,919 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.2

Radius: 14

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.77 AU - 1.25 AU

Year: 688 Days

Day: 13.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,044,111 km

• M1: 174,132 km (0.054 R)
• M2: 618,138 km (0.052 R)
• M3: 1,161,627 km (0.04 R)
• M4: 1,707,211 km (0.106 R)
• M5: 2,229,607 km (0.067 R)
• M6: 3,126,296 km (0.087 R)
• M7: 4,356,589 km (0.1 R)
• M8: 5,418,285 km (0.089 R)
• M9: 5,888,621 km (0.112 R)
• M10: 6,565,252 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.8

Radius: 12.3

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.92 AU - 1.16 AU

Year: 719 Days

Day: 13.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,044,111 km

• M1: 192,981 km (0.07 R)
• M2: 599,738 km (0.109 R)
• M3: 1,022,801 km (0.086 R)
• M4: 1,676,543 km (0.066 R)
• M5: 2,574,131 km (0.096 R)
• M6: 3,057,780 km (0.12 R)
• M7: 3,869,050 km (0.053 R)
• M8: 5,197,180 km (0.115 R)
• M9: 5,764,604 km (0.119 R)
• M10: 6,192,155 km (0.062 R)
• M11: 6,788,153 km (0.073 R)
• M12: 7,399,559 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.2

Radius: 11.5

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.18 AU - 3.36 AU

Year: 3127 Days

Day: 11.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,044,111 km

• M1: 143,016 km (0.109 R)
• M2: 686,505 km (0.081 R)
• M3: 1,853,817 km (0.1 R)
• M4: 2,466,270 km (0.089 R)
• M5: 3,841,823 km (0.06 R)
• M6: 4,533,713 km (0.118 R)
• M7: 5,501,162 km (0.077 R)
• M8: 5,929,910 km (0.035 R)
• M9: 6,713,204 km (0.097 R)
• M10: 7,472,862 km (0.108 R)
• M11: 10,474,394 km (0.105 R)
• M12: 11,095,524 km (0.113 R)
• M13: 13,829,575 km (0.089 R)
• M14: 14,200,279 km (0.101 R)
• M15: 17,090,061 km (0.081 R)
• M16: 19,126,088 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.8

Radius: 14.7

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.64 AU - 4.14 AU

Year: 5204 Days

Day: 14.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,044,111 km

• M1: 183,407 km (0.04 R)
• M2: 747,690 km (0.091 R)
• M3: 1,622,838 km (0.087 R)
• M4: 2,268,951 km (0.072 R)
• M5: 2,982,832 km (0.074 R)
• M6: 3,883,411 km (0.051 R)
• M7: 6,393,963 km (0.107 R)
• M8: 7,100,962 km (0.079 R)
• M9: 8,394,984 km (0.097 R)
• M10: 12,093,492 km (0.041 R)
• M11: 18,167,315 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.9

Radius: 10.2

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.98 AU - 4.08 AU

Year: 5487 Days

Day: 12.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,044,111 km

• M1: 126,859 km (0.052 R)
• M2: 607,966 km (0.117 R)
• M3: 1,190,500 km (0.118 R)
• M4: 2,088,386 km (0.117 R)
• M5: 3,470,222 km (0.068 R)
• M6: 4,890,504 km (0.102 R)
• M7: 5,970,750 km (0.118 R)
• M8: 7,377,120 km (0.076 R)
• M9: 8,101,622 km (0.107 R)
• M10: 10,295,325 km (0.059 R)
• M11: 11,340,117 km (0.046 R)
• M12: 12,009,867 km (0.075 R)
• M13: 14,015,077 km (0.111 R)
• M14: 17,774,022 km (0.064 R)
• M15: 23,051,386 km (0.12 R)
• M16: 23,892,725 km (0.054 R)
• M17: 27,891,476 km (0.073 R)
• M18: 28,584,114 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.5

Radius: 7.5

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.93 AU - 8.61 AU

Year: 13295 Days

Day: 17.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,044,111 km

• M1: 146,456 km (0.051 R)
• M2: 418,575 km (0.1 R)
• M3: 855,251 km (0.057 R)
• M4: 2,309,342 km (0.063 R)
• M5: 3,571,200 km (0.109 R)
• M6: 4,536,855 km (0.096 R)
• M7: 5,206,903 km (0.078 R)
• M8: 10,068,385 km (0.071 R)
• M9: 11,803,422 km (0.073 R)
• M10: 12,770,871 km (0.105 R)
• M11: 21,732,083 km (0.105 R)
• M12: 23,885,843 km (0.113 R)
• M13: 28,612,687 km (0.109 R)
• M14: 42,161,168 km (0.106 R)
• M15: 44,544,412 km (0.095 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: 480 - 12,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit