🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.57 AU - 0.59 AU

Year: 168 Days

Day: 27.3 Hours

Environment

Temp: 185 °C

Axial Tilt: 42.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.67 AU - 0.97 AU

Year: 283 Days

Day: 36.3 Hours

Environment

Temp: 146 °C

Axial Tilt: 27.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,247,907 km

• M1: 65,673 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.93 AU - 1.11 AU

Year: 392 Days

Day: 23.1 Hours

Environment

Temp: 4 °C

Axial Tilt: 17.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.62 AU - 2.58 AU

Year: 1159 Days

Day: 13.4 Hours

Environment

Temp: -95 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.99 AU - 3.51 AU

Year: 2231 Days

Day: 15.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.23 AU - 3.75 AU

Year: 2483 Days

Day: 25.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 30,247,907 km

• M1: 138,378 km (0.119 R)
• M2: 2,645,339 km (0.085 R)

Asteroid Belt

Center: 4.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.7

Radius: 12.7

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.11 AU - 7.01 AU

Year: 5681 Days

Day: 14.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,247,907 km

• M1: 158,275 km (0.057 R)
• M2: 758,312 km (0.073 R)
• M3: 1,609,673 km (0.063 R)
• M4: 2,019,721 km (0.032 R)
• M5: 2,487,364 km (0.056 R)
• M6: 4,152,837 km (0.102 R)
• M7: 4,707,695 km (0.109 R)
• M8: 6,089,381 km (0.067 R)
• M9: 9,272,226 km (0.075 R)
• M10: 10,083,944 km (0.097 R)
• M11: 11,887,944 km (0.085 R)
• M12: 14,916,254 km (0.078 R)
• M13: 15,466,774 km (0.051 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.7

Radius: 9.6

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.13 AU - 8.15 AU

Year: 7265 Days

Day: 6.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,247,907 km

• M1: 119,379 km (0.068 R)
• M2: 433,834 km (0.119 R)
• M3: 790,924 km (0.099 R)
• M4: 1,165,218 km (0.101 R)
• M5: 1,671,008 km (0.08 R)
• M6: 2,671,968 km (0.044 R)
• M7: 3,649,141 km (0.109 R)
• M8: 5,192,692 km (0.089 R)
• M9: 6,878,959 km (0.05 R)
• M10: 9,202,812 km (0.047 R)
• M11: 10,329,583 km (0.104 R)
• M12: 15,333,931 km (0.105 R)
• M13: 18,877,755 km (0.079 R)
• M14: 19,231,255 km (0.09 R)
• M15: 19,806,010 km (0.069 R)
• M16: 22,063,891 km (0.106 R)
• M17: 22,853,169 km (0.113 R)
• M18: 23,989,664 km (0.112 R)
• M19: 27,444,178 km (0.062 R)
• M20: 29,668,699 km (0.059 R)
• M21: 30,436,136 km (0.107 R)
• M22: 35,108,227 km (0.037 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.4

Radius: 9.6

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.97 AU - 9.23 AU

Year: 7978 Days

Day: 10.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,247,907 km

• M1: 152,590 km (0.064 R)
• M2: 482,004 km (0.097 R)
• M3: 896,540 km (0.069 R)
• M4: 2,028,996 km (0.097 R)
• M5: 2,414,210 km (0.099 R)
• M6: 2,727,319 km (0.111 R)
• M7: 3,149,185 km (0.108 R)
• M8: 4,045,725 km (0.112 R)
• M9: 4,856,396 km (0.067 R)
• M10: 5,430,702 km (0.073 R)
• M11: 6,469,958 km (0.092 R)
• M12: 13,680,276 km (0.116 R)

Planet 10 - Gas Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.4

Radius: 9.7

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.34 AU - 9.36 AU

Year: 8375 Days

Day: 12 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,247,907 km

• M1: 120,875 km (0.095 R)
• M2: 740,360 km (0.085 R)
• M3: 1,646,624 km (0.102 R)
• M4: 2,077,914 km (0.03 R)
• M5: 2,865,996 km (0.083 R)
• M6: 5,938,287 km (0.097 R)
• M7: 7,197,154 km (0.081 R)
• M8: 9,141,327 km (0.025 R)
• M9: 9,804,046 km (0.074 R)
• M10: 11,225,525 km (0.111 R)
• M11: 14,974,597 km (0.067 R)
• M12: 21,216,568 km (0.081 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 15,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit