🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.47 AU - 0.61 AU

Year: 260 Days

Day: 20.5 Hours

Environment

Temp: -115 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125

Radius: 13.5

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.02 AU - 1.4 AU

Year: 873 Days

Day: 10.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,088,555 km

• M1: 167,998 km (0.112 R)
• M2: 748,289 km (0.069 R)
• M3: 1,391,260 km (0.098 R)
• M4: 1,812,079 km (0.109 R)
• M5: 2,618,112 km (0.114 R)
• M6: 3,557,437 km (0.098 R)
• M7: 4,472,827 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.9

Radius: 9.3

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.78 AU - 4.04 AU

Year: 4131 Days

Day: 13 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 23,088,555 km

• M1: 116,986 km (0.049 R)
• M2: 732,431 km (0.068 R)
• M3: 1,085,632 km (0.107 R)
• M4: 1,906,924 km (0.074 R)
• M5: 2,217,788 km (0.067 R)
• M6: 3,643,007 km (0.056 R)
• M7: 4,189,488 km (0.056 R)
• M8: 4,628,708 km (0.094 R)
• M9: 5,122,829 km (0.065 R)
• M10: 5,446,110 km (0.061 R)
• M11: 5,862,591 km (0.055 R)
• M12: 6,244,365 km (0.113 R)
• M13: 6,555,977 km (0.055 R)
• M14: 6,967,521 km (0.099 R)
• M15: 7,777,743 km (0.109 R)
• M16: 8,408,597 km (0.1 R)
• M17: 9,622,135 km (0.089 R)
• M18: 10,349,181 km (0.047 R)
• M19: 11,444,686 km (0.12 R)
• M20: 11,912,628 km (0.115 R)
• M21: 14,347,932 km (0.11 R)
• M22: 14,642,939 km (0.097 R)
• M23: 15,916,615 km (0.082 R)
• M24: 16,823,926 km (0.099 R)
• M25: 17,373,549 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.1

Radius: 13.3

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.81 AU - 5.05 AU

Year: 6117 Days

Day: 9.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,088,555 km

• M1: 165,455 km (0.102 R)
• M2: 836,252 km (0.106 R)
• M3: 1,527,245 km (0.086 R)
• M4: 2,221,080 km (0.073 R)
• M5: 2,725,673 km (0.075 R)
• M6: 3,393,329 km (0.099 R)
• M7: 4,142,814 km (0.079 R)
• M8: 5,057,306 km (0.095 R)
• M9: 6,887,785 km (0.096 R)
• M10: 7,933,624 km (0.092 R)
• M11: 10,576,270 km (0.11 R)
• M12: 11,306,757 km (0.114 R)
• M13: 11,966,932 km (0.068 R)
• M14: 12,814,703 km (0.1 R)
• M15: 15,230,858 km (0.108 R)
• M16: 19,189,068 km (0.081 R)
• M17: 21,558,400 km (0.096 R)
• M18: 23,950,918 km (0.075 R)
• M19: 26,781,759 km (0.066 R)
• M20: 28,695,265 km (0.098 R)
• M21: 30,406,665 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.8

Radius: 8.9

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.44 AU - 5.24 AU

Year: 6985 Days

Day: 5.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 23,088,555 km

• M1: 136,433 km (0.109 R)
• M2: 512,971 km (0.066 R)
• M3: 837,150 km (0.115 R)
• M4: 1,257,071 km (0.058 R)
• M5: 2,048,593 km (0.094 R)
• M6: 2,370,977 km (0.109 R)
• M7: 2,899,057 km (0.095 R)
• M8: 3,730,672 km (0.069 R)
• M9: 4,189,788 km (0.108 R)
• M10: 5,610,070 km (0.108 R)
• M11: 6,050,785 km (0.105 R)
• M12: 7,108,741 km (0.109 R)
• M13: 7,437,857 km (0.053 R)
• M14: 7,970,126 km (0.12 R)
• M15: 8,941,315 km (0.085 R)
• M16: 9,764,702 km (0.099 R)
• M17: 10,543,359 km (0.083 R)
• M18: 12,538,246 km (0.102 R)
• M19: 13,962,418 km (0.062 R)
• M20: 15,430,721 km (0.077 R)
• M21: 16,296,594 km (0.102 R)
• M22: 17,655,541 km (0.11 R)
• M23: 18,328,432 km (0.076 R)
• M24: 18,740,424 km (0.094 R)
• M25: 21,722,658 km (0.096 R)
• M26: 24,756,503 km (0.068 R)
• M27: 25,599,487 km (0.072 R)
• M28: 26,114,403 km (0.111 R)
• M29: 26,548,835 km (0.043 R)
• M30: 29,631,299 km (0.101 R)
• M31: 31,748,259 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.6

Radius: 5

Gravity: 20.54 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.11 AU - 9.29 AU

Year: 14017 Days

Day: 20.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 23,088,555 km

• M1: 62,532 km (0.084 R)
• M2: 277,055 km (0.06 R)
• M3: 588,668 km (0.119 R)
• M4: 1,592,619 km (0.095 R)
• M5: 1,984,565 km (0.07 R)
• M6: 2,478,837 km (0.085 R)
• M7: 2,667,928 km (0.064 R)
• M8: 3,122,856 km (0.106 R)
• M9: 5,790,634 km (0.03 R)
• M10: 6,790,397 km (0.104 R)
• M11: 7,810,804 km (0.105 R)
• M12: 10,045,048 km (0.065 R)
• M13: 12,006,576 km (0.113 R)
• M14: 13,684,016 km (0.115 R)
• M15: 14,885,287 km (0.114 R)
• M16: 15,092,032 km (0.087 R)
• M17: 24,547,215 km (0.115 R)
• M18: 30,099,092 km (0.073 R)
• M19: 36,059,220 km (0.108 R)
• M20: 37,186,740 km (0.08 R)
• M21: 42,344,575 km (0.095 R)
• M22: 43,178,134 km (0.11 R)
• M23: 45,454,415 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.4

Radius: 6.1

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 10.17 AU - 11.29 AU

Year: 23057 Days

Day: 20.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,088,555 km

• M1: 118,631 km (0.071 R)
• M2: 327,619 km (0.07 R)
• M3: 642,972 km (0.096 R)
• M4: 1,338,602 km (0.108 R)
• M5: 2,243,519 km (0.064 R)
• M6: 5,071,517 km (0.06 R)
• M7: 6,424,929 km (0.12 R)
• M8: 14,560,510 km (0.055 R)
• M9: 15,758,341 km (0.089 R)
• M10: 16,852,051 km (0.062 R)
• M11: 18,706,017 km (0.113 R)
• M12: 19,993,905 km (0.103 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 14,836 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit