🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.64 AU - 0.78 AU

Year: 216 Days

Day: 38.9 Hours

Environment

Temp: 119 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.88 AU - 1.34 AU

Year: 423 Days

Day: 35.7 Hours

Environment

Temp: 33 °C

Axial Tilt: 1.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 50,860,994 km

• M1: 22,739 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.69 AU - 2.13 AU

Year: 955 Days

Day: 38.1 Hours

Environment

Temp: -67 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.8 AU - 2.74 AU

Year: 1237 Days

Day: 40.7 Hours

Environment

Temp: -77 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,860,994 km

• M1: 838,945 km (0.107 R)
• M2: 1,796,222 km (0.057 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.47 AU - 3.45 AU

Year: 1842 Days

Day: 36.3 Hours

Environment

Temp: -89 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.3

Radius: 11.2

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.89 AU - 6.17 AU

Year: 4080 Days

Day: 11.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,860,994 km

• M1: 139,276 km (0.05 R)
• M2: 487,539 km (0.078 R)
• M3: 892,202 km (0.114 R)
• M4: 1,244,953 km (0.034 R)
• M5: 1,657,245 km (0.099 R)
• M6: 2,249,653 km (0.119 R)
• M7: 2,680,195 km (0.06 R)
• M8: 3,108,793 km (0.113 R)
• M9: 3,541,730 km (0.103 R)
• M10: 4,578,892 km (0.059 R)
• M11: 5,440,127 km (0.069 R)
• M12: 7,483,035 km (0.062 R)
• M13: 8,010,816 km (0.102 R)
• M14: 9,062,340 km (0.06 R)
• M15: 9,826,785 km (0.057 R)
• M16: 12,187,140 km (0.064 R)
• M17: 13,576,007 km (0.065 R)
• M18: 15,513,299 km (0.064 R)
• M19: 16,430,783 km (0.088 R)
• M20: 17,384,320 km (0.107 R)
• M21: 19,076,272 km (0.073 R)
• M22: 22,639,843 km (0.113 R)
• M23: 23,895,118 km (0.113 R)
• M24: 24,425,144 km (0.101 R)
• M25: 25,983,205 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.2

Radius: 11.7

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.36 AU - 6.96 AU

Year: 6216 Days

Day: 8.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,860,994 km

• M1: 157,078 km (0.111 R)
• M2: 572,661 km (0.083 R)
• M3: 1,315,564 km (0.078 R)
• M4: 1,969,606 km (0.034 R)
• M5: 2,576,823 km (0.09 R)
• M6: 3,834,044 km (0.114 R)
• M7: 4,520,997 km (0.089 R)
• M8: 5,060,597 km (0.101 R)
• M9: 6,269,348 km (0.096 R)
• M10: 7,046,509 km (0.117 R)
• M11: 8,311,957 km (0.12 R)
• M12: 11,829,152 km (0.11 R)
• M13: 12,233,216 km (0.117 R)
• M14: 13,555,661 km (0.115 R)
• M15: 13,998,322 km (0.116 R)
• M16: 14,393,559 km (0.047 R)
• M17: 16,110,943 km (0.067 R)
• M18: 22,308,483 km (0.03 R)
• M19: 23,794,289 km (0.097 R)
• M20: 24,930,485 km (0.098 R)
• M21: 27,574,777 km (0.103 R)
• M22: 28,828,258 km (0.077 R)
• M23: 29,653,739 km (0.059 R)
• M24: 32,519,884 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.4

Radius: 8

Gravity: 12.19 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 8.76 AU - 9.82 AU

Year: 10240 Days

Day: 10.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,860,994 km

• M1: 99,931 km (0.113 R)
• M2: 543,190 km (0.106 R)
• M3: 883,226 km (0.09 R)
• M4: 1,262,307 km (0.084 R)
• M5: 1,778,419 km (0.075 R)
• M6: 2,819,471 km (0.061 R)
• M7: 3,675,320 km (0.057 R)
• M8: 6,714,850 km (0.094 R)
• M9: 8,453,177 km (0.045 R)
• M10: 13,784,097 km (0.096 R)
• M11: 14,298,864 km (0.08 R)
• M12: 14,960,236 km (0.107 R)
• M13: 16,415,225 km (0.083 R)
• M14: 17,066,723 km (0.116 R)
• M15: 19,204,477 km (0.094 R)
• M16: 27,477,838 km (0.112 R)
• M17: 28,914,875 km (0.087 R)
• M18: 30,401,429 km (0.104 R)
• M19: 33,410,889 km (0.068 R)
• M20: 35,165,971 km (0.087 R)
• M21: 36,126,539 km (0.102 R)
• M22: 39,113,560 km (0.06 R)
• M23: 43,621,094 km (0.119 R)

Kuiper Belt

Range: 30.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 12,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit