🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.44 AU - 0.6 AU

Year: 135 Days

Day: 39 Hours

Environment

Temp: 273 °C

Axial Tilt: 36.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.87 AU - 1.41 AU

Year: 438 Days

Day: 12.9 Hours

Environment

Temp: 9 °C

Axial Tilt: 20.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.49 AU - 1.73 AU

Year: 735 Days

Day: 14 Hours

Environment

Temp: -42 °C

Axial Tilt: 7.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,715,238 km

• M1: 38,895 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.66 AU - 2.26 AU

Year: 988 Days

Day: 17.4 Hours

Environment

Temp: -52 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.74 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.5

Radius: 14.9

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.42 AU - 5.6 AU

Year: 4655 Days

Day: 7.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,715,238 km

• M1: 185,352 km (0.087 R)
• M2: 739,313 km (0.113 R)
• M3: 1,387,670 km (0.104 R)
• M4: 2,154,209 km (0.041 R)
• M5: 3,847,657 km (0.114 R)
• M6: 4,469,685 km (0.089 R)
• M7: 6,277,875 km (0.036 R)
• M8: 7,043,965 km (0.077 R)
• M9: 9,763,056 km (0.115 R)
• M10: 10,269,295 km (0.107 R)
• M11: 12,818,294 km (0.054 R)
• M12: 14,699,786 km (0.1 R)
• M13: 15,764,175 km (0.033 R)
• M14: 16,999,704 km (0.097 R)
• M15: 17,548,578 km (0.113 R)
• M16: 18,362,391 km (0.096 R)
• M17: 20,610,099 km (0.111 R)
• M18: 22,521,511 km (0.105 R)
• M19: 27,354,120 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.1

Radius: 9.6

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.97 AU - 6.21 AU

Year: 5409 Days

Day: 14.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,715,238 km

• M1: 119,529 km (0.065 R)
• M2: 598,242 km (0.063 R)
• M3: 923,019 km (0.069 R)
• M4: 1,263,653 km (0.101 R)
• M5: 1,677,591 km (0.109 R)
• M6: 2,701,438 km (0.071 R)
• M7: 3,377,322 km (0.096 R)
• M8: 5,390,909 km (0.118 R)
• M9: 5,759,817 km (0.118 R)
• M10: 6,548,497 km (0.089 R)
• M11: 10,395,257 km (0.042 R)
• M12: 13,235,522 km (0.116 R)
• M13: 16,228,377 km (0.089 R)
• M14: 17,795,265 km (0.103 R)
• M15: 20,648,246 km (0.11 R)
• M16: 21,162,564 km (0.033 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.8

Radius: 8.6

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 10.1 AU - 12.76 AU

Year: 13907 Days

Day: 6.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,715,238 km

• M1: 107,112 km (0.099 R)
• M2: 415,583 km (0.118 R)
• M3: 1,038,359 km (0.082 R)
• M4: 1,306,438 km (0.089 R)
• M5: 1,621,791 km (0.099 R)
• M6: 1,987,857 km (0.066 R)
• M7: 3,561,925 km (0.069 R)
• M8: 3,836,737 km (0.087 R)
• M9: 4,275,657 km (0.06 R)
• M10: 5,721,819 km (0.101 R)
• M11: 8,931,142 km (0.11 R)
• M12: 15,806,212 km (0.108 R)
• M13: 17,874,851 km (0.088 R)
• M14: 19,098,861 km (0.115 R)
• M15: 22,355,607 km (0.057 R)
• M16: 23,105,541 km (0.104 R)
• M17: 24,359,769 km (0.097 R)
• M18: 24,854,041 km (0.093 R)
• M19: 27,003,313 km (0.037 R)
• M20: 30,741,016 km (0.119 R)
• M21: 31,434,552 km (0.027 R)
• M22: 32,256,891 km (0.074 R)
• M23: 32,852,889 km (0.118 R)
• M24: 35,944,180 km (0.102 R)
• M25: 38,286,284 km (0.102 R)
• M26: 38,686,309 km (0.07 R)
• M27: 39,089,176 km (0.067 R)
• M28: 39,359,200 km (0.09 R)
• M29: 44,289,646 km (0.108 R)
• M30: 47,437,335 km (0.095 R)
• M31: 50,891,550 km (0.108 R)
• M32: 53,009,557 km (0.118 R)
• M33: 59,002,747 km (0.096 R)

Kuiper Belt

Range: 30.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 10,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit