🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.73 AU - 0.75 AU

Year: 237 Days

Day: 12.6 Hours

Environment

Temp: 180 °C

Axial Tilt: 38 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.84 AU - 1.14 AU

Year: 367 Days

Day: 27.3 Hours

Environment

Temp: 32 °C

Axial Tilt: 9.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.01 AU - 1.27 AU

Year: 454 Days

Day: 21.4 Hours

Environment

Temp: 12 °C

Axial Tilt: 110.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 60,238,893 km

• M1: 44,431 km (0.087 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.08 AU - 2.62 AU

Year: 1343 Days

Day: 28.6 Hours

Environment

Temp: -90 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,238,893 km

• M1: 129,253 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.58 AU - 4.2 AU

Year: 2860 Days

Day: 44.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 85.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.8

Radius: 14.4

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.43 AU - 5.43 AU

Year: 4081 Days

Day: 8.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,238,893 km

• M1: 179,218 km (0.099 R)
• M2: 767,587 km (0.117 R)
• M3: 1,245,851 km (0.087 R)
• M4: 2,017,327 km (0.056 R)
• M5: 3,126,595 km (0.061 R)
• M6: 3,789,015 km (0.115 R)
• M7: 6,525,160 km (0.074 R)
• M8: 7,115,174 km (0.08 R)
• M9: 8,712,580 km (0.081 R)
• M10: 9,466,254 km (0.114 R)
• M11: 10,578,065 km (0.099 R)
• M12: 11,520,382 km (0.119 R)
• M13: 12,562,631 km (0.098 R)
• M14: 13,478,469 km (0.077 R)
• M15: 16,121,265 km (0.088 R)
• M16: 17,258,358 km (0.119 R)
• M17: 18,102,689 km (0.11 R)
• M18: 18,915,604 km (0.119 R)
• M19: 20,927,994 km (0.026 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.4

Radius: 9.3

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.74 AU - 9.74 AU

Year: 9632 Days

Day: 9.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,238,893 km

• M1: 115,639 km (0.103 R)
• M2: 874,400 km (0.083 R)
• M3: 1,257,819 km (0.082 R)
• M4: 1,696,290 km (0.041 R)
• M5: 2,201,033 km (0.085 R)
• M6: 3,351,890 km (0.111 R)
• M7: 4,579,640 km (0.089 R)
• M8: 5,560,702 km (0.106 R)
• M9: 6,675,805 km (0.098 R)
• M10: 7,382,206 km (0.116 R)
• M11: 8,856,044 km (0.032 R)
• M12: 9,478,970 km (0.098 R)
• M13: 10,178,639 km (0.107 R)
• M14: 10,663,935 km (0.091 R)
• M15: 13,555,811 km (0.078 R)
• M16: 13,906,319 km (0.042 R)
• M17: 15,623,254 km (0.079 R)
• M18: 16,203,993 km (0.043 R)
• M19: 16,598,931 km (0.087 R)
• M20: 17,339,889 km (0.084 R)
• M21: 19,105,892 km (0.113 R)
• M22: 23,742,977 km (0.094 R)
• M23: 35,054,820 km (0.095 R)
• M24: 36,385,643 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.4

Radius: 5.6

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 12.7 AU - 17.18 AU

Year: 21527 Days

Day: 16.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,238,893 km

• M1: 70,760 km (0.041 R)
• M2: 349,909 km (0.109 R)
• M3: 618,886 km (0.034 R)
• M4: 1,032,525 km (0.119 R)
• M5: 1,433,447 km (0.071 R)
• M6: 2,232,000 km (0.117 R)
• M7: 5,443,567 km (0.117 R)
• M8: 5,663,027 km (0.098 R)
• M9: 6,197,690 km (0.088 R)
• M10: 6,518,129 km (0.101 R)
• M11: 8,677,125 km (0.075 R)
• M12: 9,027,484 km (0.119 R)
• M13: 13,460,068 km (0.101 R)
• M14: 15,043,263 km (0.092 R)
• M15: 15,695,210 km (0.103 R)
• M16: 19,324,604 km (0.073 R)
• M17: 19,664,341 km (0.061 R)
• M18: 24,352,888 km (0.115 R)
• M19: 26,901,736 km (0.049 R)
• M20: 27,645,986 km (0.062 R)
• M21: 35,351,473 km (0.119 R)
• M22: 40,516,639 km (0.102 R)
• M23: 42,059,591 km (0.072 R)
• M24: 43,933,005 km (0.075 R)
• M25: 48,000,272 km (0.074 R)
• M26: 54,645,559 km (0.105 R)
• M27: 56,527,351 km (0.105 R)
• M28: 58,628,902 km (0.118 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 14,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit