🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.76 AU - 1.22 AU

Year: 369 Days

Day: 29.3 Hours

Environment

Temp: 19 °C

Axial Tilt: 2.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.4 AU - 1.96 AU

Year: 816 Days

Day: 16 Hours

Environment

Temp: -66 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.03 AU - 2.83 AU

Year: 1420 Days

Day: 45.5 Hours

Environment

Temp: -95 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.76 AU - 3.68 AU

Year: 2165 Days

Day: 29.5 Hours

Environment

Temp: -109 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.7

Radius: 13.2

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.14 AU - 6.88 AU

Year: 4847 Days

Day: 9.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,613,971 km

• M1: 164,558 km (0.085 R)
• M2: 948,600 km (0.097 R)
• M3: 1,501,215 km (0.12 R)
• M4: 1,929,962 km (0.065 R)
• M5: 2,678,251 km (0.079 R)
• M6: 3,678,013 km (0.088 R)
• M7: 4,398,925 km (0.085 R)
• M8: 5,409,309 km (0.091 R)
• M9: 6,699,890 km (0.062 R)
• M10: 8,224,592 km (0.114 R)
• M11: 9,459,522 km (0.11 R)
• M12: 12,495,910 km (0.102 R)
• M13: 13,110,757 km (0.074 R)
• M14: 13,584,983 km (0.097 R)
• M15: 15,019,776 km (0.062 R)
• M16: 15,480,986 km (0.106 R)
• M17: 16,130,540 km (0.103 R)
• M18: 19,247,711 km (0.118 R)
• M19: 20,487,428 km (0.108 R)
• M20: 23,741,332 km (0.064 R)
• M21: 25,572,559 km (0.116 R)
• M22: 27,070,034 km (0.119 R)
• M23: 28,890,191 km (0.072 R)
• M24: 30,239,265 km (0.099 R)
• M25: 31,068,785 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.4

Radius: 8.2

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 7.64 AU - 8.14 AU

Year: 8305 Days

Day: 13.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,613,971 km

• M1: 102,026 km (0.074 R)
• M2: 698,772 km (0.09 R)
• M3: 1,494,932 km (0.11 R)
• M4: 1,757,177 km (0.105 R)
• M5: 2,217,788 km (0.059 R)
• M6: 2,837,872 km (0.102 R)
• M7: 3,403,651 km (0.119 R)
• M8: 5,303,095 km (0.09 R)
• M9: 6,807,152 km (0.051 R)
• M10: 7,697,409 km (0.102 R)
• M11: 8,191,830 km (0.071 R)
• M12: 9,017,610 km (0.087 R)
• M13: 12,938,720 km (0.096 R)
• M14: 17,166,954 km (0.109 R)
• M15: 18,955,546 km (0.097 R)
• M16: 20,086,506 km (0.105 R)
• M17: 23,321,410 km (0.043 R)
• M18: 25,691,490 km (0.099 R)
• M19: 26,239,167 km (0.062 R)
• M20: 28,898,419 km (0.109 R)
• M21: 37,244,035 km (0.064 R)
• M22: 38,063,383 km (0.118 R)
• M23: 38,894,549 km (0.096 R)
• M24: 39,616,658 km (0.088 R)
• M25: 40,347,743 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.5

Radius: 7.5

Gravity: 14.6 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 10.79 AU - 16.55 AU

Year: 18940 Days

Day: 18.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,613,971 km

• M1: 100,380 km (0.099 R)
• M2: 366,664 km (0.11 R)
• M3: 644,318 km (0.06 R)
• M4: 1,643,033 km (0.106 R)
• M5: 1,953,299 km (0.1 R)
• M6: 2,766,214 km (0.04 R)
• M7: 3,431,775 km (0.117 R)
• M8: 4,965,303 km (0.106 R)
• M9: 5,944,870 km (0.083 R)
• M10: 6,414,457 km (0.067 R)
• M11: 7,922,105 km (0.08 R)
• M12: 8,385,559 km (0.107 R)
• M13: 14,973,400 km (0.065 R)
• M14: 15,364,300 km (0.097 R)
• M15: 19,103,199 km (0.068 R)
• M16: 20,124,654 km (0.106 R)
• M17: 24,901,912 km (0.03 R)
• M18: 25,561,489 km (0.095 R)
• M19: 27,493,545 km (0.058 R)
• M20: 27,727,068 km (0.074 R)
• M21: 29,398,974 km (0.099 R)
• M22: 30,135,593 km (0.116 R)
• M23: 32,031,148 km (0.086 R)
• M24: 37,615,487 km (0.05 R)
• M25: 42,089,810 km (0.068 R)
• M26: 45,915,027 km (0.08 R)
• M27: 51,899,540 km (0.112 R)
• M28: 66,431,627 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.6

Radius: 4.8

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 18.24 AU - 19.36 AU

Year: 30547 Days

Day: 15.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,613,971 km

• M1: 59,839 km (0.102 R)
• M2: 639,830 km (0.095 R)
• M3: 884,423 km (0.089 R)
• M4: 2,281,966 km (0.109 R)
• M5: 2,951,416 km (0.049 R)
• M6: 8,391,393 km (0.044 R)
• M7: 10,011,688 km (0.103 R)
• M8: 10,234,888 km (0.037 R)
• M9: 19,692,615 km (0.1 R)
• M10: 26,979,078 km (0.099 R)
• M11: 27,848,541 km (0.085 R)
• M12: 47,011,280 km (0.112 R)
• M13: 50,359,879 km (0.074 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 12,223 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit