🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.71 AU - 0.89 AU

Year: 274 Days

Day: 21.1 Hours

Environment

Temp: 146 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.81 AU - 1.23 AU

Year: 394 Days

Day: 18.8 Hours

Environment

Temp: 1 °C

Axial Tilt: 17.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.15 AU - 1.31 AU

Year: 522 Days

Day: 34 Hours

Environment

Temp: -23 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,596,977 km

• M1: 33,809 km (0.03 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.42 AU - 2.26 AU

Year: 956 Days

Day: 39 Hours

Environment

Temp: -76 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.03 AU - 2.29 AU

Year: 1215 Days

Day: 19.9 Hours

Environment

Temp: -83 °C

Axial Tilt: 41.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,596,977 km

• M1: 1,390,063 km (0.063 R)

Asteroid Belt

Center: 3.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671

Radius: 8.4

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.87 AU - 5.09 AU

Year: 4255 Days

Day: 13.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,596,977 km

• M1: 104,419 km (0.106 R)
• M2: 378,632 km (0.068 R)
• M3: 983,456 km (0.118 R)
• M4: 1,430,455 km (0.107 R)
• M5: 1,720,376 km (0.087 R)
• M6: 2,091,977 km (0.105 R)
• M7: 2,436,650 km (0.082 R)
• M8: 3,260,635 km (0.114 R)
• M9: 4,943,013 km (0.112 R)
• M10: 5,231,138 km (0.093 R)
• M11: 6,223,571 km (0.074 R)
• M12: 7,643,105 km (0.111 R)
• M13: 9,149,107 km (0.118 R)
• M14: 12,737,361 km (0.087 R)
• M15: 15,277,832 km (0.076 R)
• M16: 15,948,031 km (0.087 R)
• M17: 18,636,454 km (0.091 R)
• M18: 22,032,475 km (0.084 R)
• M19: 23,032,387 km (0.06 R)
• M20: 23,987,570 km (0.083 R)
• M21: 25,508,382 km (0.055 R)
• M22: 25,898,383 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.6

Radius: 10.9

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.38 AU - 11.8 AU

Year: 11371 Days

Day: 5.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,596,977 km

• M1: 185,801 km (0.119 R)
• M2: 543,339 km (0.042 R)
• M3: 1,040,902 km (0.119 R)
• M4: 1,709,305 km (0.07 R)
• M5: 3,016,342 km (0.107 R)
• M6: 4,435,876 km (0.118 R)
• M7: 6,145,780 km (0.076 R)
• M8: 7,592,242 km (0.075 R)
• M9: 10,596,616 km (0.103 R)
• M10: 14,183,823 km (0.064 R)
• M11: 15,470,365 km (0.12 R)
• M12: 17,810,823 km (0.08 R)
• M13: 19,226,169 km (0.114 R)
• M14: 23,091,030 km (0.051 R)
• M15: 28,168,381 km (0.115 R)
• M16: 30,524,099 km (0.06 R)
• M17: 31,637,107 km (0.105 R)
• M18: 32,661,853 km (0.084 R)
• M19: 39,019,762 km (0.095 R)
• M20: 43,039,307 km (0.029 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.3

Radius: 7.7

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 15.82 AU - 18.8 AU

Year: 27575 Days

Day: 15.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,596,977 km

• M1: 95,743 km (0.064 R)
• M2: 349,461 km (0.06 R)
• M3: 733,478 km (0.096 R)
• M4: 1,617,452 km (0.108 R)
• M5: 2,087,937 km (0.065 R)
• M6: 4,029,867 km (0.118 R)
• M7: 6,534,734 km (0.077 R)
• M8: 9,049,923 km (0.104 R)
• M9: 11,785,619 km (0.039 R)
• M10: 13,536,363 km (0.1 R)
• M11: 13,999,818 km (0.076 R)
• M12: 15,597,224 km (0.103 R)
• M13: 20,244,332 km (0.066 R)
• M14: 21,647,560 km (0.031 R)
• M15: 23,491,204 km (0.09 R)
• M16: 24,548,711 km (0.12 R)
• M17: 27,278,274 km (0.111 R)
• M18: 35,658,597 km (0.059 R)
• M19: 36,925,542 km (0.057 R)
• M20: 41,596,286 km (0.078 R)
• M21: 49,395,871 km (0.071 R)
• M22: 54,050,010 km (0.082 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 18,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit