🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.54 AU - 0.74 AU

Year: 181 Days

Day: 13.6 Hours

Environment

Temp: 227 °C

Axial Tilt: 18.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,686,281 km

• M1: 49,816 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.54 AU - 0.88 AU

Year: 211 Days

Day: 13.2 Hours

Environment

Temp: 154 °C

Axial Tilt: 0.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 38,686,281 km

• M1: 42,785 km (0.097 R)
• M2: 483,351 km (0.094 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.05 AU - 1.27 AU

Year: 441 Days

Day: 47 Hours

Environment

Temp: 37 °C

Axial Tilt: 25.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.05 AU - 3.23 AU

Year: 1515 Days

Day: 18.8 Hours

Environment

Temp: -79 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.14 AU - 3.36 AU

Year: 1610 Days

Day: 45.3 Hours

Environment

Temp: -90 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,686,281 km

• M1: 24,235 km (0.093 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.09 AU - 3.15 AU

Year: 1946 Days

Day: 32.2 Hours

Environment

Temp: -93 °C

Axial Tilt: 48.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,686,281 km

• M1: 2,542,865 km (0.118 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.48 AU - 5.28 AU

Year: 3237 Days

Day: 35.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871

Radius: 9.5

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.48 AU - 6.1 AU

Year: 4919 Days

Day: 11 Hours

Environment

Temp: -133 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 38,686,281 km

• M1: 135,984 km (0.108 R)
• M2: 456,872 km (0.065 R)
• M3: 988,692 km (0.101 R)
• M4: 1,319,453 km (0.04 R)
• M5: 2,456,098 km (0.069 R)
• M6: 2,845,950 km (0.118 R)
• M7: 3,773,756 km (0.094 R)
• M8: 4,370,053 km (0.082 R)
• M9: 4,810,469 km (0.1 R)
• M10: 5,308,929 km (0.08 R)
• M11: 5,630,116 km (0.047 R)
• M12: 6,672,963 km (0.098 R)
• M13: 7,400,756 km (0.036 R)
• M14: 7,952,174 km (0.036 R)
• M15: 8,891,349 km (0.09 R)
• M16: 9,303,791 km (0.111 R)
• M17: 11,512,454 km (0.113 R)
• M18: 12,712,677 km (0.12 R)
• M19: 13,289,826 km (0.117 R)
• M20: 13,666,214 km (0.06 R)
• M21: 14,953,055 km (0.088 R)
• M22: 16,075,488 km (0.109 R)
• M23: 18,754,786 km (0.115 R)
• M24: 20,200,051 km (0.077 R)
• M25: 23,701,539 km (0.119 R)
• M26: 24,017,041 km (0.08 R)
• M27: 25,143,363 km (0.094 R)
• M28: 26,984,015 km (0.093 R)
• M29: 30,186,906 km (0.113 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.8

Radius: 9.8

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 10.03 AU - 10.61 AU

Year: 11706 Days

Day: 9.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,686,281 km

• M1: 124,914 km (0.099 R)
• M2: 521,349 km (0.065 R)
• M3: 889,359 km (0.065 R)
• M4: 1,194,689 km (0.083 R)
• M5: 2,188,318 km (0.059 R)
• M6: 3,231,015 km (0.114 R)
• M7: 3,706,736 km (0.106 R)
• M8: 4,631,251 km (0.115 R)
• M9: 5,029,780 km (0.105 R)
• M10: 6,127,230 km (0.091 R)
• M11: 6,714,551 km (0.041 R)
• M12: 7,763,681 km (0.104 R)
• M13: 8,451,831 km (0.089 R)
• M14: 11,514,099 km (0.087 R)
• M15: 12,571,607 km (0.088 R)
• M16: 15,749,065 km (0.057 R)
• M17: 17,934,391 km (0.104 R)
• M18: 20,616,531 km (0.049 R)
• M19: 23,555,382 km (0.098 R)
• M20: 25,957,026 km (0.072 R)
• M21: 26,943,624 km (0.102 R)
• M22: 31,241,571 km (0.083 R)
• M23: 31,644,438 km (0.11 R)
• M24: 33,081,774 km (0.078 R)
• M25: 35,209,804 km (0.103 R)
• M26: 36,085,998 km (0.04 R)

Kuiper Belt

Range: 31.1 - 47.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 11,597 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit