🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.56 AU - 0.76 AU

Year: 196 Days

Day: 25 Hours

Environment

Temp: 205 °C

Axial Tilt: 151.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 99,581,412 km

• M1: 44,730 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.75 AU - 0.79 AU

Year: 247 Days

Day: 29.4 Hours

Environment

Temp: 173 °C

Axial Tilt: 12.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 99,581,412 km

• M1: 86,916 km (0.114 R)
• M2: 377,286 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.62 AU - 0.94 AU

Year: 252 Days

Day: 25 Hours

Environment

Temp: 128 °C

Axial Tilt: 18.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 99,581,412 km

• M1: 24,833 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.72 AU - 1.1 AU

Year: 317 Days

Day: 36.3 Hours

Environment

Temp: 119 °C

Axial Tilt: 34.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.28 AU - 1.38 AU

Year: 560 Days

Day: 46.3 Hours

Environment

Temp: -15 °C

Axial Tilt: 38.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.03 AU - 2.93 AU

Year: 1426 Days

Day: 16.7 Hours

Environment

Temp: -85 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.65 AU - 4.81 AU

Year: 3757 Days

Day: 40.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 99,581,412 km

• M1: 169,195 km (0.113 R)
• M2: 1,404,126 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807

Radius: 12.1

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.64 AU - 9.86 AU

Year: 8655 Days

Day: 9 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 99,581,412 km

• M1: 154,385 km (0.038 R)
• M2: 722,707 km (0.111 R)
• M3: 1,291,478 km (0.094 R)
• M4: 2,235,591 km (0.087 R)
• M5: 2,625,592 km (0.083 R)
• M6: 3,355,331 km (0.113 R)
• M7: 4,216,117 km (0.069 R)
• M8: 5,218,572 km (0.091 R)
• M9: 5,810,381 km (0.106 R)
• M10: 6,301,212 km (0.097 R)
• M11: 6,706,173 km (0.082 R)
• M12: 8,548,172 km (0.053 R)
• M13: 10,706,420 km (0.032 R)
• M14: 12,793,760 km (0.11 R)
• M15: 19,023,314 km (0.107 R)
• M16: 21,071,907 km (0.056 R)
• M17: 24,958,460 km (0.076 R)
• M18: 28,893,931 km (0.093 R)
• M19: 33,446,942 km (0.12 R)
• M20: 38,456,825 km (0.08 R)
• M21: 39,317,163 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.8

Radius: 7.4

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 17.6 AU - 20.24 AU

Year: 30059 Days

Day: 15.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 99,581,412 km

• M1: 92,152 km (0.116 R)
• M2: 395,387 km (0.051 R)
• M3: 807,230 km (0.085 R)
• M4: 1,225,207 km (0.086 R)
• M5: 1,591,273 km (0.097 R)
• M6: 2,543,613 km (0.107 R)
• M7: 2,778,182 km (0.054 R)
• M8: 3,444,641 km (0.099 R)
• M9: 7,202,838 km (0.067 R)
• M10: 7,515,797 km (0.097 R)
• M11: 8,337,837 km (0.101 R)
• M12: 9,401,927 km (0.063 R)
• M13: 12,085,862 km (0.118 R)
• M14: 13,134,693 km (0.082 R)
• M15: 16,286,122 km (0.116 R)
• M16: 17,751,882 km (0.084 R)
• M17: 18,227,304 km (0.08 R)
• M18: 19,806,309 km (0.08 R)
• M19: 25,807,577 km (0.058 R)
• M20: 27,414,259 km (0.073 R)
• M21: 27,794,387 km (0.098 R)
• M22: 28,824,967 km (0.071 R)
• M23: 30,148,908 km (0.12 R)
• M24: 31,099,453 km (0.09 R)
• M25: 32,775,248 km (0.09 R)
• M26: 33,635,286 km (0.114 R)
• M27: 34,070,915 km (0.092 R)
• M28: 35,101,944 km (0.061 R)
• M29: 35,550,139 km (0.063 R)
• M30: 41,729,279 km (0.099 R)
• M31: 42,569,720 km (0.086 R)
• M32: 44,808,003 km (0.05 R)
• M33: 46,582,234 km (0.115 R)
• M34: 50,839,789 km (0.071 R)
• M35: 53,554,392 km (0.079 R)
• M36: 58,639,523 km (0.106 R)
• M37: 61,406,784 km (0.118 R)
• M38: 77,059,060 km (0.105 R)
• M39: 79,088,804 km (0.071 R)
• M40: 93,730,695 km (0.036 R)
• M41: 99,581,468 km (0.078 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 17,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit