🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.57 AU - 0.59 AU

Year: 158 Days

Day: 19.9 Hours

Environment

Temp: 216 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,690,200 km

• M1: 498,759 km (0.059 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.97 AU - 0.99 AU

Year: 347 Days

Day: 19.6 Hours

Environment

Temp: 146 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 36,690,200 km

• M1: 51,611 km (0.051 R)
• M2: 323,131 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.26 AU - 1.32 AU

Year: 525 Days

Day: 26.8 Hours

Environment

Temp: 12 °C

Axial Tilt: 5.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 36,690,200 km

• M1: 37,250 km (0.056 R)
• M2: 741,706 km (0.096 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.68 AU - 2.3 AU

Year: 1005 Days

Day: 40 Hours

Environment

Temp: -57 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.84 AU - 5.98 AU

Year: 3897 Days

Day: 21.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 36,690,200 km

• M1: 81,980 km (0.081 R)
• M2: 989,141 km (0.088 R)

Asteroid Belt

Center: 5.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.5

Radius: 11.5

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.23 AU - 8.33 AU

Year: 6323 Days

Day: 9.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,690,200 km

• M1: 143,165 km (0.104 R)
• M2: 550,670 km (0.084 R)
• M3: 993,779 km (0.109 R)
• M4: 1,562,251 km (0.114 R)
• M5: 2,391,023 km (0.082 R)
• M6: 3,189,277 km (0.076 R)
• M7: 3,910,488 km (0.103 R)
• M8: 4,440,663 km (0.118 R)
• M9: 6,701,835 km (0.054 R)
• M10: 7,614,980 km (0.054 R)
• M11: 10,097,407 km (0.104 R)
• M12: 12,588,212 km (0.073 R)
• M13: 13,976,031 km (0.12 R)
• M14: 16,150,137 km (0.062 R)
• M15: 19,316,077 km (0.056 R)
• M16: 21,387,260 km (0.113 R)
• M17: 23,034,781 km (0.062 R)
• M18: 23,439,144 km (0.083 R)
• M19: 24,179,055 km (0.118 R)
• M20: 26,053,516 km (0.083 R)
• M21: 28,669,684 km (0.049 R)
• M22: 31,061,754 km (0.081 R)
• M23: 32,356,673 km (0.03 R)
• M24: 33,999,706 km (0.107 R)
• M25: 36,897,118 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.3

Radius: 10.1

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 8.02 AU - 8.24 AU

Year: 8303 Days

Day: 6.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,690,200 km

• M1: 126,709 km (0.104 R)
• M2: 651,050 km (0.056 R)
• M3: 968,945 km (0.098 R)
• M4: 1,430,305 km (0.086 R)
• M5: 1,769,144 km (0.081 R)
• M6: 2,145,981 km (0.033 R)
• M7: 2,557,974 km (0.12 R)
• M8: 3,063,764 km (0.077 R)
• M9: 3,497,449 km (0.093 R)
• M10: 4,876,442 km (0.071 R)
• M11: 5,815,916 km (0.113 R)
• M12: 6,871,928 km (0.067 R)
• M13: 7,275,842 km (0.039 R)
• M14: 9,493,780 km (0.085 R)
• M15: 10,854,672 km (0.115 R)
• M16: 13,105,970 km (0.042 R)
• M17: 16,223,590 km (0.038 R)
• M18: 17,074,203 km (0.078 R)
• M19: 17,476,622 km (0.06 R)
• M20: 20,174,320 km (0.06 R)
• M21: 25,499,555 km (0.106 R)
• M22: 27,099,804 km (0.064 R)
• M23: 27,555,928 km (0.11 R)
• M24: 31,391,617 km (0.049 R)
• M25: 33,020,738 km (0.068 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.6

Radius: 12.2

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.85 AU - 11.01 AU

Year: 10371 Days

Day: 6.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,690,200 km

• M1: 151,692 km (0.085 R)
• M2: 613,950 km (0.07 R)
• M3: 2,109,480 km (0.109 R)
• M4: 3,897,025 km (0.037 R)
• M5: 4,450,387 km (0.082 R)
• M6: 4,885,418 km (0.096 R)
• M7: 6,330,832 km (0.071 R)
• M8: 6,954,057 km (0.106 R)
• M9: 9,551,525 km (0.105 R)
• M10: 11,640,659 km (0.095 R)
• M11: 12,102,767 km (0.115 R)
• M12: 13,507,491 km (0.118 R)
• M13: 14,191,303 km (0.072 R)
• M14: 17,028,426 km (0.104 R)
• M15: 17,624,873 km (0.111 R)
• M16: 18,166,567 km (0.058 R)
• M17: 18,580,205 km (0.117 R)
• M18: 21,731,035 km (0.093 R)
• M19: 22,829,383 km (0.117 R)
• M20: 23,964,382 km (0.111 R)
• M21: 28,326,357 km (0.077 R)
• M22: 36,362,306 km (0.111 R)

Kuiper Belt

Range: 30.6 - 56.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 11,832 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit