🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.47 AU - 0.63 AU

Year: 263 Days

Day: 41.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.6

Radius: 9.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.22 AU - 1.29 AU

Year: 902 Days

Day: 11.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,443,767 km

• M1: 115,789 km (0.117 R)
• M2: 469,887 km (0.036 R)
• M3: 941,569 km (0.048 R)
• M4: 1,340,995 km (0.069 R)
• M5: 1,681,330 km (0.094 R)
• M6: 2,025,256 km (0.101 R)
• M7: 2,346,143 km (0.066 R)
• M8: 2,767,261 km (0.106 R)
• M9: 3,140,059 km (0.072 R)
• M10: 3,532,903 km (0.119 R)
• M11: 3,859,475 km (0.111 R)
• M12: 4,311,111 km (0.054 R)
• M13: 4,945,855 km (0.106 R)
• M14: 5,677,987 km (0.083 R)
• M15: 6,641,697 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.8

Radius: 11.5

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.8 AU - 2.92 AU

Year: 2341 Days

Day: 6.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,443,767 km

• M1: 143,016 km (0.054 R)
• M2: 521,498 km (0.106 R)
• M3: 1,006,046 km (0.09 R)
• M4: 1,435,691 km (0.105 R)
• M5: 3,510,613 km (0.1 R)
• M6: 4,100,029 km (0.105 R)
• M7: 4,470,882 km (0.11 R)
• M8: 5,537,515 km (0.095 R)
• M9: 5,928,564 km (0.069 R)
• M10: 6,629,130 km (0.06 R)
• M11: 7,023,321 km (0.111 R)
• M12: 7,384,001 km (0.117 R)
• M13: 9,905,773 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.3

Radius: 12.7

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.42 AU - 2.78 AU

Year: 2707 Days

Day: 8.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,443,767 km

• M1: 157,975 km (0.069 R)
• M2: 578,794 km (0.043 R)
• M3: 1,011,730 km (0.103 R)
• M4: 1,562,400 km (0.109 R)
• M5: 2,572,635 km (0.084 R)
• M6: 3,562,673 km (0.036 R)
• M7: 4,103,470 km (0.116 R)
• M8: 4,815,256 km (0.069 R)
• M9: 8,548,770 km (0.12 R)
• M10: 10,489,653 km (0.101 R)
• M11: 12,937,673 km (0.076 R)
• M12: 13,928,759 km (0.065 R)
• M13: 14,868,532 km (0.091 R)
• M14: 16,437,814 km (0.113 R)
• M15: 17,262,697 km (0.053 R)
• M16: 18,995,040 km (0.115 R)
• M17: 19,475,997 km (0.092 R)
• M18: 20,587,809 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.8

Radius: 12.6

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.84 AU - 3.74 AU

Year: 3853 Days

Day: 7.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,443,767 km

• M1: 157,527 km (0.097 R)
• M2: 580,889 km (0.111 R)
• M3: 1,056,011 km (0.082 R)
• M4: 1,588,580 km (0.119 R)
• M5: 2,120,849 km (0.104 R)
• M6: 3,848,854 km (0.068 R)
• M7: 4,375,588 km (0.117 R)
• M8: 5,215,281 km (0.109 R)
• M9: 6,251,097 km (0.046 R)
• M10: 6,981,583 km (0.081 R)
• M11: 7,453,714 km (0.104 R)
• M12: 8,766,435 km (0.099 R)
• M13: 9,236,771 km (0.116 R)
• M14: 11,658,312 km (0.111 R)
• M15: 14,048,138 km (0.069 R)
• M16: 16,807,770 km (0.042 R)
• M17: 17,351,408 km (0.12 R)
• M18: 18,601,448 km (0.059 R)
• M19: 19,183,234 km (0.074 R)
• M20: 23,827,201 km (0.107 R)
• M21: 26,247,096 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.6

Radius: 13.7

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.51 AU - 3.77 AU

Year: 4484 Days

Day: 14.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,443,767 km

• M1: 171,589 km (0.116 R)
• M2: 606,320 km (0.069 R)
• M3: 1,042,847 km (0.107 R)
• M4: 1,548,188 km (0.037 R)
• M5: 2,002,816 km (0.108 R)
• M6: 2,681,991 km (0.092 R)
• M7: 3,191,521 km (0.072 R)
• M8: 3,679,360 km (0.058 R)
• M9: 4,147,152 km (0.082 R)
• M10: 4,963,358 km (0.064 R)
• M11: 5,825,341 km (0.102 R)
• M12: 8,782,592 km (0.069 R)
• M13: 10,785,258 km (0.078 R)
• M14: 12,328,361 km (0.105 R)
• M15: 13,229,987 km (0.067 R)
• M16: 14,719,084 km (0.115 R)
• M17: 16,023,727 km (0.114 R)
• M18: 17,527,784 km (0.095 R)
• M19: 17,965,358 km (0.081 R)
• M20: 24,185,039 km (0.11 R)
• M21: 25,041,636 km (0.115 R)
• M22: 25,918,429 km (0.086 R)
• M23: 27,564,904 km (0.025 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894

Radius: 11.2

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.33 AU - 6.39 AU

Year: 8012 Days

Day: 11.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,443,767 km

• M1: 139,276 km (0.115 R)
• M2: 673,190 km (0.109 R)
• M3: 1,494,333 km (0.099 R)
• M4: 1,909,916 km (0.059 R)
• M5: 2,402,691 km (0.112 R)
• M6: 3,266,918 km (0.104 R)
• M7: 3,720,948 km (0.056 R)
• M8: 4,382,769 km (0.025 R)
• M9: 6,150,268 km (0.09 R)
• M10: 7,076,428 km (0.062 R)
• M11: 8,394,535 km (0.108 R)
• M12: 9,772,780 km (0.098 R)
• M13: 13,149,653 km (0.065 R)
• M14: 15,002,722 km (0.088 R)
• M15: 15,393,172 km (0.114 R)
• M16: 19,220,334 km (0.025 R)
• M17: 21,027,776 km (0.11 R)
• M18: 22,860,051 km (0.109 R)
• M19: 24,526,122 km (0.09 R)
• M20: 27,127,031 km (0.115 R)
• M21: 35,218,181 km (0.104 R)
• M22: 36,844,160 km (0.09 R)
• M23: 37,436,867 km (0.086 R)
• M24: 37,915,431 km (0.11 R)
• M25: 38,641,130 km (0.036 R)
• M26: 42,021,743 km (0.05 R)
• M27: 43,191,149 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.1

Radius: 3.3

Gravity: 28.38 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.21 AU - 9.15 AU

Year: 13742 Days

Day: 22 Hours

Environment

Temp: -235 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,443,767 km

• M1: 48,171 km (0.094 R)
• M2: 230,530 km (0.087 R)
• M3: 924,814 km (0.09 R)
• M4: 1,136,944 km (0.047 R)
• M5: 1,747,902 km (0.082 R)
• M6: 4,665,210 km (0.051 R)
• M7: 5,547,837 km (0.093 R)
• M8: 6,724,275 km (0.084 R)
• M9: 7,032,596 km (0.084 R)
• M10: 7,150,629 km (0.08 R)
• M11: 7,270,008 km (0.12 R)
• M12: 10,095,313 km (0.088 R)
• M13: 13,696,433 km (0.034 R)
• M14: 16,291,208 km (0.062 R)
• M15: 16,636,929 km (0.095 R)
• M16: 19,736,597 km (0.075 R)
• M17: 24,529,114 km (0.045 R)
• M18: 25,442,858 km (0.09 R)
• M19: 39,959,985 km (0.067 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 19,924 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit