🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.62 AU - 0.66 AU

Year: 326 Days

Day: 27.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,777,787 km

• M1: 307,872 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307

Radius: 8.1

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.66 AU - 0.76 AU

Year: 380 Days

Day: 14.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,777,787 km

• M1: 100,679 km (0.109 R)
• M2: 357,838 km (0.116 R)
• M3: 628,311 km (0.081 R)
• M4: 882,478 km (0.065 R)
• M5: 1,561,951 km (0.069 R)
• M6: 1,934,450 km (0.05 R)
• M7: 2,228,260 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.4

Radius: 14.6

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.62 AU - 0.88 AU

Year: 413 Days

Day: 10.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 42,777,787 km

• M1: 184,454 km (0.095 R)
• M2: 1,078,002 km (0.114 R)
• M3: 1,758,673 km (0.1 R)
• M4: 3,098,621 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.4

Radius: 11.9

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.61 AU - 0.99 AU

Year: 455 Days

Day: 12.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,777,787 km

• M1: 149,299 km (0.025 R)
• M2: 586,723 km (0.081 R)
• M3: 1,267,992 km (0.065 R)
• M4: 2,059,963 km (0.088 R)
• M5: 2,504,119 km (0.103 R)
• M6: 2,881,405 km (0.096 R)
• M7: 3,658,266 km (0.091 R)
• M8: 4,583,679 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.1

Radius: 10.3

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.81 AU - 0.85 AU

Year: 481 Days

Day: 10.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,777,787 km

• M1: 128,056 km (0.056 R)
• M2: 505,342 km (0.088 R)
• M3: 834,158 km (0.112 R)
• M4: 1,326,335 km (0.114 R)
• M5: 1,728,304 km (0.06 R)
• M6: 2,451,012 km (0.094 R)
• M7: 2,860,012 km (0.078 R)
• M8: 4,009,223 km (0.103 R)
• M9: 4,580,238 km (0.058 R)
• M10: 5,221,414 km (0.087 R)
• M11: 6,199,635 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.1

Radius: 10.4

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.88 AU - 3.02 AU

Year: 2438 Days

Day: 10.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,777,787 km

• M1: 129,402 km (0.049 R)
• M2: 456,124 km (0.063 R)
• M3: 808,876 km (0.085 R)
• M4: 1,236,277 km (0.093 R)
• M5: 1,649,017 km (0.071 R)
• M6: 2,263,266 km (0.079 R)
• M7: 2,659,252 km (0.086 R)
• M8: 3,227,275 km (0.103 R)
• M9: 3,609,198 km (0.065 R)
• M10: 5,612,314 km (0.088 R)
• M11: 6,627,186 km (0.102 R)
• M12: 7,027,510 km (0.12 R)
• M13: 7,500,987 km (0.091 R)
• M14: 7,906,547 km (0.113 R)
• M15: 8,542,637 km (0.062 R)
• M16: 9,049,774 km (0.1 R)
• M17: 10,229,502 km (0.067 R)
• M18: 11,207,424 km (0.065 R)
• M19: 11,854,584 km (0.117 R)
• M20: 13,181,517 km (0.078 R)
• M21: 13,945,663 km (0.033 R)
• M22: 15,284,714 km (0.041 R)
• M23: 15,702,690 km (0.114 R)

Asteroid Belt

Center: 2.83 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.4

Radius: 15

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.93 AU - 3.49 AU

Year: 3657 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,777,787 km

• M1: 186,549 km (0.076 R)
• M2: 861,534 km (0.066 R)
• M3: 1,364,632 km (0.073 R)
• M4: 2,681,093 km (0.07 R)
• M5: 3,207,977 km (0.117 R)
• M6: 4,227,935 km (0.067 R)
• M7: 4,802,241 km (0.077 R)
• M8: 6,574,228 km (0.077 R)
• M9: 7,642,058 km (0.091 R)
• M10: 9,117,392 km (0.068 R)
• M11: 9,844,288 km (0.078 R)
• M12: 11,284,616 km (0.099 R)
• M13: 11,765,125 km (0.116 R)
• M14: 12,259,396 km (0.088 R)
• M15: 12,814,404 km (0.11 R)
• M16: 13,434,487 km (0.118 R)
• M17: 14,632,168 km (0.111 R)
• M18: 16,504,834 km (0.049 R)
• M19: 17,937,084 km (0.113 R)
• M20: 24,141,955 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.4

Radius: 9.5

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.01 AU - 6.97 AU

Year: 9321 Days

Day: 5.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,777,787 km

• M1: 118,482 km (0.1 R)
• M2: 491,130 km (0.097 R)
• M3: 1,005,298 km (0.084 R)
• M4: 2,648,630 km (0.102 R)
• M5: 2,973,108 km (0.115 R)
• M6: 4,270,421 km (0.034 R)
• M7: 5,355,155 km (0.071 R)
• M8: 10,835,972 km (0.117 R)
• M9: 12,106,058 km (0.11 R)
• M10: 13,237,916 km (0.102 R)
• M11: 16,645,306 km (0.085 R)
• M12: 16,987,736 km (0.098 R)
• M13: 17,615,897 km (0.073 R)
• M14: 21,796,410 km (0.11 R)
• M15: 22,957,588 km (0.032 R)
• M16: 25,402,616 km (0.094 R)
• M17: 31,010,143 km (0.078 R)
• M18: 34,876,350 km (0.079 R)
• M19: 35,324,844 km (0.102 R)
• M20: 37,742,795 km (0.111 R)
• M21: 41,636,379 km (0.118 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 12,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit