🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.44 AU - 1.58 AU

Year: 652 Days

Day: 35.4 Hours

Environment

Temp: -9 °C

Axial Tilt: 46.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.87 AU - 2.77 AU

Year: 1242 Days

Day: 46.6 Hours

Environment

Temp: -71 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,966,230 km

• M1: 1,029,533 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.22 AU - 4.18 AU

Year: 2501 Days

Day: 15.4 Hours

Environment

Temp: -113 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.74 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.4

Radius: 12.8

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.57 AU - 6.97 AU

Year: 4871 Days

Day: 5.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,966,230 km

• M1: 159,172 km (0.092 R)
• M2: 627,862 km (0.117 R)
• M3: 1,370,616 km (0.114 R)
• M4: 1,919,939 km (0.034 R)
• M5: 2,365,741 km (0.102 R)
• M6: 2,992,855 km (0.076 R)
• M7: 3,862,617 km (0.118 R)
• M8: 4,456,371 km (0.067 R)
• M9: 4,867,915 km (0.09 R)
• M10: 6,226,563 km (0.025 R)
• M11: 6,742,675 km (0.085 R)
• M12: 7,357,373 km (0.117 R)
• M13: 7,934,821 km (0.113 R)
• M14: 9,851,020 km (0.105 R)
• M15: 10,286,200 km (0.041 R)
• M16: 10,779,723 km (0.096 R)
• M17: 12,456,267 km (0.034 R)
• M18: 13,436,282 km (0.108 R)
• M19: 15,549,502 km (0.117 R)
• M20: 17,055,354 km (0.098 R)
• M21: 19,869,589 km (0.074 R)
• M22: 21,278,652 km (0.078 R)
• M23: 22,378,345 km (0.106 R)
• M24: 23,747,764 km (0.106 R)
• M25: 27,074,223 km (0.039 R)
• M26: 28,628,245 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.9

Radius: 14

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.64 AU - 9 AU

Year: 6961 Days

Day: 9.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,966,230 km

• M1: 178,620 km (0.12 R)
• M2: 869,164 km (0.114 R)
• M3: 1,531,583 km (0.112 R)
• M4: 2,253,542 km (0.06 R)
• M5: 4,432,585 km (0.053 R)
• M6: 5,705,364 km (0.066 R)
• M7: 6,271,891 km (0.092 R)
• M8: 7,209,421 km (0.118 R)
• M9: 8,017,698 km (0.094 R)
• M10: 8,538,747 km (0.06 R)
• M11: 14,683,031 km (0.091 R)
• M12: 18,359,099 km (0.074 R)
• M13: 24,571,899 km (0.117 R)
• M14: 26,319,651 km (0.055 R)
• M15: 28,148,934 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.7

Radius: 9.6

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.8 AU - 9.34 AU

Year: 8057 Days

Day: 5.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,966,230 km

• M1: 121,324 km (0.087 R)
• M2: 580,290 km (0.095 R)
• M3: 943,813 km (0.07 R)
• M4: 2,272,840 km (0.07 R)
• M5: 5,039,803 km (0.095 R)
• M6: 8,616,089 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.8

Radius: 10.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 8.78 AU - 8.86 AU

Year: 9206 Days

Day: 7 Hours

Environment

Temp: -155 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,966,230 km

• M1: 137,780 km (0.117 R)
• M2: 583,132 km (0.111 R)
• M3: 1,215,632 km (0.11 R)
• M4: 1,845,290 km (0.064 R)
• M5: 2,178,444 km (0.109 R)
• M6: 2,648,182 km (0.077 R)
• M7: 3,469,773 km (0.093 R)
• M8: 3,855,436 km (0.075 R)
• M9: 4,934,635 km (0.101 R)
• M10: 6,837,520 km (0.067 R)
• M11: 7,381,159 km (0.082 R)
• M12: 11,444,387 km (0.106 R)
• M13: 12,584,173 km (0.094 R)
• M14: 19,630,083 km (0.091 R)
• M15: 21,326,672 km (0.073 R)
• M16: 22,557,115 km (0.05 R)
• M17: 23,332,032 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.2

Radius: 12.1

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 9.41 AU - 13.33 AU

Year: 13475 Days

Day: 5.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,966,230 km

• M1: 150,495 km (0.067 R)
• M2: 1,008,439 km (0.102 R)
• M3: 1,416,542 km (0.056 R)
• M4: 2,086,142 km (0.084 R)
• M5: 2,563,509 km (0.092 R)
• M6: 5,058,652 km (0.102 R)
• M7: 6,437,346 km (0.106 R)
• M8: 7,133,874 km (0.072 R)
• M9: 8,183,901 km (0.101 R)
• M10: 8,586,319 km (0.111 R)
• M11: 13,371,806 km (0.102 R)
• M12: 16,467,434 km (0.103 R)
• M13: 17,182,961 km (0.097 R)
• M14: 18,523,059 km (0.093 R)
• M15: 35,618,655 km (0.103 R)
• M16: 41,608,553 km (0.059 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 10,606 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit