🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

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: 941.1

Radius: 10.2

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.57 AU - 0.63 AU

Year: 315 Days

Day: 5.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,463,406 km

• M1: 126,859 km (0.08 R)
• M2: 487,240 km (0.107 R)
• M3: 895,194 km (0.097 R)
• M4: 1,369,868 km (0.099 R)
• M5: 1,737,430 km (0.065 R)
• M6: 2,088,536 km (0.114 R)
• M7: 2,705,477 km (0.114 R)
• M8: 3,137,815 km (0.108 R)
• M9: 3,509,566 km (0.045 R)
• M10: 3,885,505 km (0.086 R)
• M11: 4,274,909 km (0.044 R)
• M12: 4,619,283 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.5

Radius: 9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.66 AU - 0.76 AU

Year: 406 Days

Day: 10.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,463,406 km

• M1: 111,899 km (0.075 R)
• M2: 567,126 km (0.114 R)
• M3: 878,140 km (0.033 R)
• M4: 1,206,208 km (0.09 R)
• M5: 1,487,751 km (0.089 R)
• M6: 1,897,499 km (0.085 R)
• M7: 2,398,054 km (0.061 R)
• M8: 2,831,588 km (0.094 R)
• M9: 3,122,556 km (0.052 R)
• M10: 3,412,028 km (0.05 R)
• M11: 4,166,450 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.7

Radius: 8.3

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.65 AU - 0.89 AU

Year: 458 Days

Day: 9.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,463,406 km

• M1: 103,372 km (0.112 R)
• M2: 462,108 km (0.025 R)
• M3: 726,597 km (0.098 R)
• M4: 990,637 km (0.101 R)
• M5: 1,252,583 km (0.094 R)
• M6: 1,597,406 km (0.058 R)
• M7: 1,888,823 km (0.109 R)
• M8: 2,693,659 km (0.113 R)
• M9: 3,594,089 km (0.104 R)
• M10: 4,268,775 km (0.087 R)
• M11: 4,591,458 km (0.103 R)
• M12: 5,285,592 km (0.08 R)
• M13: 5,975,687 km (0.059 R)
• M14: 6,323,951 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.1

Radius: 12.3

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.85 AU - 1.15 AU

Year: 678 Days

Day: 7.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,463,406 km

• M1: 153,039 km (0.111 R)
• M2: 545,733 km (0.11 R)
• M3: 995,125 km (0.097 R)
• M4: 1,430,604 km (0.063 R)
• M5: 1,831,527 km (0.054 R)
• M6: 2,435,753 km (0.114 R)
• M7: 3,005,870 km (0.086 R)
• M8: 3,651,385 km (0.065 R)
• M9: 4,034,056 km (0.119 R)
• M10: 4,471,929 km (0.108 R)
• M11: 5,591,669 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.8

Radius: 14.6

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.88 AU - 1.16 AU

Year: 699 Days

Day: 9.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 42,463,406 km

• M1: 182,509 km (0.07 R)
• M2: 699,819 km (0.066 R)
• M3: 1,314,516 km (0.116 R)
• M4: 1,770,640 km (0.11 R)
• M5: 2,648,331 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.9

Radius: 9.8

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.84 AU - 1.3 AU

Year: 751 Days

Day: 14.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,463,406 km

• M1: 121,922 km (0.047 R)
• M2: 428,000 km (0.082 R)
• M3: 816,954 km (0.089 R)
• M4: 1,180,477 km (0.096 R)
• M5: 1,905,578 km (0.046 R)
• M6: 2,733,602 km (0.061 R)
• M7: 3,745,931 km (0.098 R)
• M8: 4,051,410 km (0.089 R)
• M9: 4,504,392 km (0.094 R)
• M10: 5,038,307 km (0.115 R)
• M11: 5,821,152 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.9

Radius: 13.4

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.66 AU - 2.48 AU

Year: 2020 Days

Day: 13.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,463,406 km

• M1: 166,652 km (0.1 R)
• M2: 599,887 km (0.076 R)
• M3: 1,695,991 km (0.057 R)
• M4: 2,416,305 km (0.07 R)
• M5: 3,116,722 km (0.06 R)
• M6: 4,026,726 km (0.115 R)
• M7: 5,678,137 km (0.079 R)
• M8: 6,186,620 km (0.033 R)
• M9: 9,478,970 km (0.107 R)
• M10: 10,796,927 km (0.039 R)
• M11: 11,985,781 km (0.09 R)
• M12: 12,998,409 km (0.104 R)
• M13: 15,779,135 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.6

Radius: 4.8

Gravity: 10.4 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.71 AU - 8.41 AU

Year: 14099 Days

Day: 20.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,463,406 km

• M1: 74,201 km (0.111 R)
• M2: 369,357 km (0.097 R)
• M3: 1,462,319 km (0.048 R)
• M4: 1,909,168 km (0.099 R)
• M5: 2,190,262 km (0.118 R)
• M6: 2,442,036 km (0.062 R)
• M7: 2,633,521 km (0.096 R)
• M8: 3,223,834 km (0.115 R)
• M9: 3,846,909 km (0.087 R)
• M10: 5,109,814 km (0.096 R)
• M11: 6,091,027 km (0.098 R)
• M12: 6,886,289 km (0.047 R)
• M13: 8,375,985 km (0.054 R)
• M14: 8,857,391 km (0.053 R)
• M15: 9,684,517 km (0.117 R)
• M16: 10,019,766 km (0.118 R)
• M17: 11,332,637 km (0.119 R)
• M18: 14,981,329 km (0.066 R)
• M19: 15,559,375 km (0.054 R)
• M20: 15,755,199 km (0.069 R)
• M21: 17,382,375 km (0.098 R)
• M22: 17,593,308 km (0.085 R)
• M23: 19,569,645 km (0.107 R)
• M24: 19,951,120 km (0.081 R)
• M25: 25,102,822 km (0.111 R)
• M26: 26,749,595 km (0.113 R)
• M27: 35,617,757 km (0.055 R)
• M28: 38,760,360 km (0.079 R)
• M29: 39,847,637 km (0.098 R)
• M30: 40,337,420 km (0.071 R)
• M31: 41,453,869 km (0.094 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 12,917 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit