🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.5

Radius: 10

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.71 AU - 0.79 AU

Year: 426 Days

Day: 14.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,381,567 km

• M1: 124,316 km (0.092 R)
• M2: 456,722 km (0.116 R)
• M3: 887,265 km (0.096 R)
• M4: 1,442,722 km (0.113 R)
• M5: 1,818,961 km (0.084 R)
• M6: 2,743,625 km (0.09 R)
• M7: 3,182,844 km (0.115 R)
• M8: 3,878,923 km (0.064 R)
• M9: 4,337,889 km (0.029 R)
• M10: 4,921,471 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.5

Radius: 8.7

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.96 AU - 1.18 AU

Year: 726 Days

Day: 14.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,381,567 km

• M1: 108,159 km (0.103 R)
• M2: 618,737 km (0.058 R)
• M3: 918,082 km (0.082 R)
• M4: 1,208,152 km (0.101 R)
• M5: 1,576,313 km (0.113 R)
• M6: 1,999,675 km (0.063 R)
• M7: 2,432,312 km (0.089 R)
• M8: 2,770,253 km (0.096 R)
• M9: 3,541,430 km (0.084 R)
• M10: 3,842,870 km (0.065 R)
• M11: 4,530,721 km (0.075 R)
• M12: 4,817,650 km (0.037 R)
• M13: 5,909,116 km (0.116 R)
• M14: 6,544,757 km (0.098 R)
• M15: 7,617,972 km (0.106 R)
• M16: 8,421,014 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.7

Radius: 12.6

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.04 AU - 1.36 AU

Year: 862 Days

Day: 11.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,381,567 km

• M1: 156,779 km (0.112 R)
• M2: 690,843 km (0.042 R)
• M3: 1,092,663 km (0.094 R)
• M4: 1,531,882 km (0.047 R)
• M5: 2,299,170 km (0.05 R)
• M6: 3,229,968 km (0.034 R)
• M7: 4,237,808 km (0.089 R)
• M8: 5,222,910 km (0.07 R)
• M9: 6,047,644 km (0.064 R)
• M10: 7,691,874 km (0.094 R)
• M11: 8,176,870 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.4

Radius: 11.1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.02 AU - 1.58 AU

Year: 972 Days

Day: 8.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,381,567 km

• M1: 138,079 km (0.071 R)
• M2: 568,023 km (0.09 R)
• M3: 1,366,277 km (0.087 R)
• M4: 2,272,691 km (0.082 R)
• M5: 3,060,174 km (0.066 R)
• M6: 3,410,981 km (0.114 R)
• M7: 5,063,140 km (0.039 R)
• M8: 5,622,935 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.7

Radius: 8.1

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.3 AU - 2.84 AU

Year: 2703 Days

Day: 10.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,381,567 km

• M1: 100,679 km (0.056 R)
• M2: 657,483 km (0.113 R)
• M3: 1,116,449 km (0.102 R)
• M4: 2,211,356 km (0.074 R)
• M5: 2,645,489 km (0.086 R)
• M6: 3,562,823 km (0.117 R)
• M7: 4,494,070 km (0.096 R)
• M8: 4,760,803 km (0.099 R)
• M9: 5,649,115 km (0.103 R)
• M10: 6,157,598 km (0.108 R)
• M11: 6,513,342 km (0.066 R)
• M12: 7,265,969 km (0.111 R)
• M13: 9,040,050 km (0.064 R)
• M14: 9,634,252 km (0.086 R)
• M15: 10,610,229 km (0.061 R)
• M16: 12,314,448 km (0.052 R)
• M17: 13,803,396 km (0.067 R)
• M18: 14,770,247 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675

Radius: 13.1

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.19 AU - 3.77 AU

Year: 4259 Days

Day: 5.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 21,381,567 km

• M1: 163,062 km (0.047 R)
• M2: 572,212 km (0.119 R)
• M3: 1,084,136 km (0.087 R)
• M4: 1,544,448 km (0.059 R)
• M5: 2,252,196 km (0.098 R)
• M6: 2,878,712 km (0.09 R)
• M7: 3,578,231 km (0.107 R)
• M8: 4,652,195 km (0.099 R)
• M9: 5,759,069 km (0.07 R)
• M10: 6,937,452 km (0.118 R)
• M11: 7,635,475 km (0.114 R)
• M12: 8,126,456 km (0.099 R)
• M13: 8,564,029 km (0.085 R)
• M14: 9,486,749 km (0.033 R)
• M15: 10,775,385 km (0.055 R)
• M16: 11,850,844 km (0.078 R)
• M17: 14,110,370 km (0.117 R)
• M18: 14,637,404 km (0.045 R)
• M19: 15,286,958 km (0.116 R)
• M20: 16,012,358 km (0.084 R)
• M21: 17,173,088 km (0.098 R)
• M22: 18,638,997 km (0.106 R)
• M23: 21,334,003 km (0.031 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.5

Radius: 10.6

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.33 AU - 4.85 AU

Year: 5426 Days

Day: 11.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,381,567 km

• M1: 132,993 km (0.109 R)
• M2: 501,003 km (0.087 R)
• M3: 945,159 km (0.094 R)
• M4: 1,441,375 km (0.094 R)
• M5: 1,941,930 km (0.078 R)
• M6: 2,631,875 km (0.12 R)
• M7: 3,085,306 km (0.064 R)
• M8: 4,473,874 km (0.068 R)
• M9: 6,465,919 km (0.096 R)
• M10: 7,204,035 km (0.092 R)
• M11: 7,834,141 km (0.074 R)
• M12: 13,932,648 km (0.054 R)
• M13: 14,612,870 km (0.059 R)
• M14: 15,622,954 km (0.088 R)
• M15: 16,197,859 km (0.111 R)
• M16: 18,064,691 km (0.091 R)
• M17: 20,750,421 km (0.107 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 14,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit