🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.52 AU - 0.82 AU

Year: 191 Days

Day: 31.6 Hours

Environment

Temp: 160 °C

Axial Tilt: 25.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.52 AU - 1.68 AU

Year: 705 Days

Day: 13.7 Hours

Environment

Temp: -21 °C

Axial Tilt: 15 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.54 AU - 1.86 AU

Year: 772 Days

Day: 33.7 Hours

Environment

Temp: -38 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.76 AU - 5.18 AU

Year: 3291 Days

Day: 20.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 83,261,333 km

• M1: 44,580 km (0.094 R)
• M2: 246,537 km (0.088 R)

Asteroid Belt

Center: 6.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.4

Radius: 13.6

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.05 AU - 10.87 AU

Year: 9340 Days

Day: 13.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,261,333 km

• M1: 170,093 km (0.087 R)
• M2: 776,114 km (0.054 R)
• M3: 1,308,533 km (0.072 R)
• M4: 1,754,035 km (0.066 R)
• M5: 2,268,353 km (0.082 R)
• M6: 5,711,647 km (0.098 R)
• M7: 7,007,463 km (0.061 R)
• M8: 7,665,096 km (0.106 R)
• M9: 8,533,960 km (0.115 R)
• M10: 9,330,120 km (0.116 R)
• M11: 10,369,825 km (0.093 R)
• M12: 17,169,048 km (0.111 R)
• M13: 24,493,959 km (0.036 R)
• M14: 25,110,900 km (0.11 R)
• M15: 27,305,052 km (0.118 R)
• M16: 29,426,200 km (0.105 R)
• M17: 30,123,476 km (0.069 R)
• M18: 32,810,703 km (0.114 R)
• M19: 38,538,955 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.2

Radius: 13

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 10.19 AU - 14.97 AU

Year: 15539 Days

Day: 12.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,261,333 km

• M1: 162,314 km (0.108 R)
• M2: 657,333 km (0.078 R)
• M3: 1,738,626 km (0.098 R)
• M4: 2,532,094 km (0.071 R)
• M5: 5,829,231 km (0.09 R)
• M6: 6,500,177 km (0.049 R)
• M7: 8,556,250 km (0.09 R)
• M8: 8,982,903 km (0.113 R)
• M9: 12,979,261 km (0.102 R)
• M10: 13,648,263 km (0.11 R)
• M11: 14,557,818 km (0.043 R)
• M12: 15,111,479 km (0.035 R)
• M13: 17,967,003 km (0.108 R)
• M14: 21,094,796 km (0.094 R)
• M15: 27,141,691 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560

Radius: 6.9

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 13.94 AU - 20.9 AU

Year: 25320 Days

Day: 21.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,261,333 km

• M1: 86,617 km (0.103 R)
• M2: 420,220 km (0.074 R)
• M3: 959,371 km (0.086 R)
• M4: 1,872,816 km (0.065 R)
• M5: 4,130,397 km (0.086 R)
• M6: 4,472,079 km (0.086 R)
• M7: 6,117,057 km (0.103 R)
• M8: 6,838,268 km (0.049 R)
• M9: 7,665,245 km (0.11 R)
• M10: 14,614,665 km (0.078 R)
• M11: 18,965,120 km (0.105 R)
• M12: 19,338,966 km (0.117 R)
• M13: 21,889,759 km (0.049 R)
• M14: 22,508,795 km (0.076 R)
• M15: 26,470,296 km (0.076 R)
• M16: 27,054,925 km (0.036 R)
• M17: 28,860,272 km (0.098 R)
• M18: 30,361,187 km (0.074 R)
• M19: 33,111,993 km (0.114 R)
• M20: 36,024,364 km (0.112 R)
• M21: 37,469,479 km (0.091 R)
• M22: 43,152,553 km (0.111 R)
• M23: 43,962,027 km (0.118 R)
• M24: 44,452,558 km (0.059 R)
• M25: 46,790,175 km (0.108 R)
• M26: 50,091,949 km (0.113 R)
• M27: 50,627,061 km (0.111 R)
• M28: 53,360,064 km (0.093 R)
• M29: 54,857,090 km (0.112 R)
• M30: 58,524,482 km (0.092 R)
• M31: 61,329,143 km (0.085 R)
• M32: 62,352,093 km (0.083 R)
• M33: 65,702,038 km (0.113 R)
• M34: 66,343,215 km (0.069 R)
• M35: 66,773,010 km (0.113 R)
• M36: 70,055,785 km (0.101 R)
• M37: 73,674,259 km (0.104 R)
• M38: 82,763,227 km (0.063 R)

Kuiper Belt

Range: 31.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 10,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit