🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.48 AU - 0.52 AU

Year: 136 Days

Day: 13.1 Hours

Environment

Temp: 179 °C

Axial Tilt: 10.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.58 AU - 0.66 AU

Year: 188 Days

Day: 41.3 Hours

Environment

Temp: 149 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.15 AU - 2.37 AU

Year: 1308 Days

Day: 32.5 Hours

Environment

Temp: -88 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.42 AU - 3.14 AU

Year: 1785 Days

Day: 26.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.79 AU - 3.13 AU

Year: 1961 Days

Day: 36.8 Hours

Environment

Temp: -107 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.43 AU - 3.73 AU

Year: 2081 Days

Day: 42.3 Hours

Environment

Temp: -117 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.8

Radius: 12

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.9 AU - 7.7 AU

Year: 7594 Days

Day: 10.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,466,262 km

• M1: 149,299 km (0.083 R)
• M2: 560,244 km (0.092 R)
• M3: 967,898 km (0.031 R)
• M4: 1,344,137 km (0.087 R)
• M5: 1,988,604 km (0.083 R)
• M6: 2,995,697 km (0.112 R)
• M7: 3,554,595 km (0.072 R)
• M8: 3,973,768 km (0.104 R)
• M9: 4,853,105 km (0.067 R)
• M10: 6,410,119 km (0.061 R)
• M11: 7,381,309 km (0.072 R)
• M12: 8,067,813 km (0.088 R)
• M13: 8,448,091 km (0.074 R)
• M14: 9,803,597 km (0.065 R)
• M15: 10,237,281 km (0.101 R)
• M16: 11,091,485 km (0.114 R)
• M17: 12,156,622 km (0.071 R)
• M18: 13,405,615 km (0.093 R)
• M19: 16,832,154 km (0.1 R)
• M20: 20,803,229 km (0.095 R)
• M21: 22,254,927 km (0.095 R)
• M22: 23,090,132 km (0.063 R)
• M23: 25,812,215 km (0.116 R)
• M24: 29,532,116 km (0.088 R)
• M25: 30,745,055 km (0.103 R)
• M26: 33,054,547 km (0.032 R)
• M27: 39,572,377 km (0.082 R)
• M28: 42,048,521 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.5

Radius: 9.6

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 9.32 AU - 10.36 AU

Year: 11884 Days

Day: 12.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,466,262 km

• M1: 119,828 km (0.117 R)
• M2: 537,056 km (0.072 R)
• M3: 1,063,042 km (0.099 R)
• M4: 1,548,188 km (0.106 R)
• M5: 1,924,577 km (0.079 R)
• M6: 2,864,949 km (0.036 R)
• M7: 3,529,014 km (0.07 R)
• M8: 3,984,689 km (0.07 R)
• M9: 5,497,423 km (0.108 R)
• M10: 6,144,733 km (0.054 R)
• M11: 7,024,218 km (0.085 R)
• M12: 8,645,411 km (0.078 R)
• M13: 9,886,923 km (0.102 R)
• M14: 10,696,547 km (0.109 R)
• M15: 12,178,613 km (0.106 R)
• M16: 13,164,912 km (0.118 R)
• M17: 13,677,434 km (0.049 R)
• M18: 16,054,395 km (0.089 R)
• M19: 16,705,594 km (0.066 R)
• M20: 17,646,714 km (0.117 R)
• M21: 19,930,176 km (0.106 R)
• M22: 20,304,021 km (0.084 R)
• M23: 21,220,159 km (0.041 R)
• M24: 26,487,500 km (0.104 R)
• M25: 27,396,756 km (0.104 R)
• M26: 28,045,412 km (0.118 R)
• M27: 31,443,528 km (0.092 R)
• M28: 32,052,391 km (0.061 R)
• M29: 35,324,246 km (0.066 R)
• M30: 35,762,119 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58.5

Radius: 5

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 16.65 AU - 19.47 AU

Year: 29549 Days

Day: 18.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,466,262 km

• M1: 162,014 km (0.112 R)
• M2: 505,641 km (0.034 R)
• M3: 1,066,932 km (0.041 R)
• M4: 1,607,878 km (0.094 R)
• M5: 3,347,252 km (0.053 R)
• M6: 8,662,913 km (0.1 R)
• M7: 10,557,421 km (0.097 R)
• M8: 11,387,091 km (0.076 R)
• M9: 22,452,097 km (0.065 R)
• M10: 30,454,835 km (0.093 R)
• M11: 38,104,373 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 15,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit