🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.59 AU - 0.73 AU

Year: 191 Days

Day: 27.2 Hours

Environment

Temp: 223 °C

Axial Tilt: 28.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.66 AU - 1.06 AU

Year: 284 Days

Day: 38.4 Hours

Environment

Temp: 171 °C

Axial Tilt: 12.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1 AU - 1.02 AU

Year: 362 Days

Day: 32.7 Hours

Environment

Temp: 118 °C

Axial Tilt: 30 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.89 AU - 1.17 AU

Year: 373 Days

Day: 38.6 Hours

Environment

Temp: 107 °C

Axial Tilt: 6.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1 AU - 1.48 AU

Year: 492 Days

Day: 16.4 Hours

Environment

Temp: 18 °C

Axial Tilt: 8.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.45 AU - 4.87 AU

Year: 3586 Days

Day: 41.4 Hours

Environment

Temp: -119 °C

Axial Tilt: 166.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,898,531 km

• M1: 333,753 km (0.096 R)
• M2: 2,283,611 km (0.106 R)

Asteroid Belt

Center: 5.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.5

Radius: 11.3

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.91 AU - 7.75 AU

Year: 6362 Days

Day: 13.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,898,531 km

• M1: 142,268 km (0.113 R)
• M2: 590,164 km (0.099 R)
• M3: 1,125,874 km (0.097 R)
• M4: 1,652,458 km (0.1 R)
• M5: 2,199,238 km (0.077 R)
• M6: 2,686,179 km (0.116 R)
• M7: 5,168,307 km (0.115 R)
• M8: 5,952,499 km (0.113 R)
• M9: 8,192,279 km (0.115 R)
• M10: 9,940,928 km (0.079 R)
• M11: 10,656,754 km (0.103 R)
• M12: 11,707,679 km (0.081 R)
• M13: 12,642,666 km (0.11 R)
• M14: 14,410,314 km (0.089 R)
• M15: 15,694,313 km (0.099 R)
• M16: 22,462,419 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.8

Radius: 8.8

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 12.07 AU - 12.95 AU

Year: 15772 Days

Day: 10.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,898,531 km

• M1: 110,702 km (0.116 R)
• M2: 413,339 km (0.039 R)
• M3: 960,418 km (0.118 R)
• M4: 1,561,652 km (0.086 R)
• M5: 2,064,301 km (0.07 R)
• M6: 2,436,052 km (0.06 R)
• M7: 2,738,239 km (0.029 R)
• M8: 4,454,426 km (0.075 R)
• M9: 4,776,062 km (0.12 R)
• M10: 5,323,291 km (0.077 R)
• M11: 7,261,481 km (0.085 R)
• M12: 7,754,106 km (0.051 R)
• M13: 8,316,594 km (0.038 R)
• M14: 12,279,891 km (0.08 R)
• M15: 13,907,964 km (0.084 R)
• M16: 14,388,473 km (0.088 R)
• M17: 14,879,902 km (0.105 R)
• M18: 15,748,617 km (0.106 R)
• M19: 17,586,726 km (0.097 R)
• M20: 19,648,932 km (0.108 R)
• M21: 19,993,157 km (0.12 R)
• M22: 22,705,217 km (0.062 R)
• M23: 23,564,507 km (0.047 R)
• M24: 24,544,373 km (0.032 R)
• M25: 24,943,799 km (0.12 R)
• M26: 30,310,174 km (0.088 R)
• M27: 31,821,861 km (0.104 R)
• M28: 39,591,076 km (0.112 R)
• M29: 39,865,289 km (0.113 R)
• M30: 41,395,975 km (0.093 R)
• M31: 42,965,406 km (0.094 R)
• M32: 48,535,683 km (0.092 R)
• M33: 49,800,234 km (0.037 R)
• M34: 50,280,144 km (0.1 R)
• M35: 51,411,702 km (0.043 R)
• M36: 53,725,831 km (0.078 R)
• M37: 57,676,711 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.8

Radius: 5.3

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 12.91 AU - 21.39 AU

Year: 25316 Days

Day: 21.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,898,531 km

• M1: 89,160 km (0.079 R)
• M2: 304,132 km (0.059 R)
• M3: 608,564 km (0.119 R)
• M4: 1,523,355 km (0.037 R)
• M5: 1,915,750 km (0.12 R)
• M6: 2,309,492 km (0.083 R)
• M7: 2,662,094 km (0.062 R)
• M8: 4,278,200 km (0.052 R)
• M9: 7,567,707 km (0.049 R)
• M10: 7,804,521 km (0.109 R)
• M11: 12,430,685 km (0.118 R)
• M12: 21,773,222 km (0.034 R)
• M13: 42,612,056 km (0.111 R)
• M14: 47,564,194 km (0.113 R)
• M15: 58,591,951 km (0.105 R)
• M16: 67,087,764 km (0.103 R)

Kuiper Belt

Range: 30.8 - 56.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 18,792 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit