🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.53 AU - 0.57 AU

Year: 149 Days

Day: 21.6 Hours

Environment

Temp: 248 °C

Axial Tilt: 105.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 84,432,189 km

• M1: 90,656 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.84 AU - 1 AU

Year: 322 Days

Day: 25.8 Hours

Environment

Temp: 70 °C

Axial Tilt: 25.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.45 AU - 1.63 AU

Year: 698 Days

Day: 21.9 Hours

Environment

Temp: -33 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.56 AU - 1.96 AU

Year: 853 Days

Day: 43.6 Hours

Environment

Temp: -52 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.93 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.6

Radius: 13.2

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.06 AU - 6.14 AU

Year: 5503 Days

Day: 9.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,432,189 km

• M1: 164,258 km (0.111 R)
• M2: 631,752 km (0.066 R)
• M3: 1,381,088 km (0.034 R)
• M4: 2,064,899 km (0.061 R)
• M5: 2,486,466 km (0.065 R)
• M6: 3,179,104 km (0.091 R)
• M7: 3,769,268 km (0.043 R)
• M8: 4,332,504 km (0.096 R)
• M9: 5,226,800 km (0.087 R)
• M10: 8,736,067 km (0.092 R)
• M11: 10,250,446 km (0.098 R)
• M12: 12,081,674 km (0.046 R)
• M13: 13,258,859 km (0.11 R)
• M14: 14,850,581 km (0.109 R)
• M15: 15,781,528 km (0.049 R)
• M16: 18,808,791 km (0.084 R)
• M17: 19,348,540 km (0.094 R)
• M18: 20,037,737 km (0.102 R)
• M19: 22,504,157 km (0.114 R)
• M20: 25,493,123 km (0.082 R)
• M21: 26,321,745 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.1

Radius: 10.5

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.81 AU - 8.95 AU

Year: 9665 Days

Day: 14.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,432,189 km

• M1: 139,874 km (0.08 R)
• M2: 813,364 km (0.11 R)
• M3: 1,255,874 km (0.085 R)
• M4: 2,001,470 km (0.11 R)
• M5: 2,343,451 km (0.119 R)
• M6: 2,792,244 km (0.062 R)
• M7: 3,240,888 km (0.06 R)
• M8: 4,170,639 km (0.095 R)
• M9: 5,035,464 km (0.112 R)
• M10: 5,429,505 km (0.101 R)
• M11: 5,815,617 km (0.074 R)
• M12: 6,309,290 km (0.094 R)
• M13: 7,414,070 km (0.075 R)
• M14: 8,904,514 km (0.064 R)
• M15: 10,713,302 km (0.09 R)
• M16: 12,374,287 km (0.069 R)
• M17: 13,994,881 km (0.08 R)
• M18: 14,936,300 km (0.088 R)
• M19: 22,673,053 km (0.099 R)
• M20: 25,393,042 km (0.118 R)
• M21: 25,931,145 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.7

Radius: 11.4

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.32 AU - 9.38 AU

Year: 10443 Days

Day: 6.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,432,189 km

• M1: 142,268 km (0.086 R)
• M2: 520,152 km (0.096 R)
• M3: 1,045,091 km (0.068 R)
• M4: 2,300,067 km (0.084 R)
• M5: 2,719,689 km (0.082 R)
• M6: 3,168,782 km (0.117 R)
• M7: 4,217,762 km (0.101 R)
• M8: 5,970,301 km (0.062 R)
• M9: 6,662,042 km (0.106 R)
• M10: 7,027,659 km (0.098 R)
• M11: 10,406,477 km (0.08 R)
• M12: 12,529,570 km (0.084 R)
• M13: 13,489,240 km (0.056 R)
• M14: 15,491,308 km (0.037 R)
• M15: 16,663,258 km (0.081 R)
• M16: 17,823,390 km (0.077 R)
• M17: 18,891,070 km (0.086 R)
• M18: 21,706,801 km (0.111 R)
• M19: 22,677,092 km (0.117 R)
• M20: 25,229,083 km (0.057 R)
• M21: 25,672,341 km (0.097 R)
• M22: 31,711,757 km (0.061 R)
• M23: 32,645,247 km (0.113 R)
• M24: 35,224,315 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.5

Radius: 4.9

Gravity: 15.26 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 18.19 AU - 21.23 AU

Year: 31961 Days

Day: 19.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,432,189 km

• M1: 62,981 km (0.078 R)
• M2: 237,861 km (0.098 R)
• M3: 1,815,669 km (0.116 R)
• M4: 2,014,036 km (0.075 R)
• M5: 2,204,923 km (0.066 R)
• M6: 2,748,562 km (0.105 R)
• M7: 5,065,683 km (0.106 R)
• M8: 5,875,905 km (0.047 R)
• M9: 6,446,771 km (0.103 R)
• M10: 6,722,330 km (0.082 R)
• M11: 14,174,847 km (0.063 R)
• M12: 14,406,724 km (0.119 R)
• M13: 18,376,453 km (0.067 R)
• M14: 20,266,472 km (0.101 R)
• M15: 22,806,195 km (0.095 R)
• M16: 24,538,539 km (0.086 R)
• M17: 40,563,313 km (0.119 R)
• M18: 43,097,202 km (0.057 R)
• M19: 65,332,232 km (0.098 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: 269 - 15,600 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit