🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.53 AU - 0.55 AU

Year: 146 Days

Day: 45.9 Hours

Environment

Temp: 210 °C

Axial Tilt: 11.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.67 AU - 1.07 AU

Year: 299 Days

Day: 22.4 Hours

Environment

Temp: 168 °C

Axial Tilt: 25.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.68 AU - 1.1 AU

Year: 310 Days

Day: 30.1 Hours

Environment

Temp: 116 °C

Axial Tilt: 1.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.85 AU - 1.09 AU

Year: 352 Days

Day: 20.1 Hours

Environment

Temp: 17 °C

Axial Tilt: 11.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 96,064,575 km

• M1: 111,750 km (0.089 R)
• M2: 248,183 km (0.063 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.33 AU - 1.85 AU

Year: 740 Days

Day: 12 Hours

Environment

Temp: -50 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.05 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.42 AU - 2.58 AU

Year: 1458 Days

Day: 44.2 Hours

Environment

Temp: -84 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.8

Radius: 12.1

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 9.14 AU - 10.12 AU

Year: 11026 Days

Day: 9.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 96,064,575 km

• M1: 154,535 km (0.115 R)
• M2: 879,935 km (0.076 R)
• M3: 1,439,730 km (0.082 R)
• M4: 2,266,857 km (0.09 R)
• M5: 3,038,632 km (0.103 R)
• M6: 3,713,917 km (0.101 R)
• M7: 4,849,813 km (0.108 R)
• M8: 5,397,641 km (0.102 R)
• M9: 6,890,628 km (0.075 R)
• M10: 7,375,773 km (0.111 R)
• M11: 8,828,668 km (0.056 R)
• M12: 9,847,729 km (0.116 R)
• M13: 11,437,356 km (0.069 R)
• M14: 12,352,147 km (0.115 R)
• M15: 17,008,979 km (0.093 R)
• M16: 18,816,420 km (0.103 R)
• M17: 22,721,373 km (0.088 R)
• M18: 23,526,360 km (0.104 R)
• M19: 24,629,195 km (0.059 R)
• M20: 25,669,947 km (0.086 R)
• M21: 29,809,021 km (0.104 R)
• M22: 31,428,269 km (0.119 R)
• M23: 31,869,882 km (0.085 R)
• M24: 34,140,179 km (0.093 R)
• M25: 34,606,775 km (0.109 R)
• M26: 36,637,865 km (0.044 R)
• M27: 39,382,687 km (0.101 R)
• M28: 40,936,261 km (0.07 R)
• M29: 41,330,900 km (0.107 R)
• M30: 43,889,921 km (0.12 R)
• M31: 44,858,866 km (0.069 R)
• M32: 48,582,656 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.8

Radius: 5.3

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 12.61 AU - 12.77 AU

Year: 16679 Days

Day: 15.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 96,064,575 km

• M1: 76,295 km (0.081 R)
• M2: 455,974 km (0.106 R)
• M3: 632,201 km (0.047 R)
• M4: 1,395,299 km (0.081 R)
• M5: 2,770,403 km (0.046 R)
• M6: 3,118,068 km (0.054 R)
• M7: 3,847,807 km (0.072 R)
• M8: 5,178,929 km (0.091 R)
• M9: 5,672,452 km (0.102 R)
• M10: 6,341,753 km (0.119 R)
• M11: 6,601,156 km (0.066 R)
• M12: 6,906,186 km (0.117 R)
• M13: 7,300,675 km (0.089 R)
• M14: 7,544,520 km (0.095 R)
• M15: 7,710,125 km (0.118 R)
• M16: 8,664,709 km (0.025 R)
• M17: 9,502,158 km (0.109 R)
• M18: 10,089,778 km (0.116 R)
• M19: 13,946,710 km (0.11 R)
• M20: 14,259,370 km (0.089 R)
• M21: 14,833,826 km (0.114 R)
• M22: 15,291,146 km (0.085 R)
• M23: 18,835,718 km (0.058 R)
• M24: 22,978,083 km (0.036 R)
• M25: 25,399,026 km (0.088 R)
• M26: 29,392,092 km (0.105 R)
• M27: 35,148,020 km (0.106 R)
• M28: 36,077,172 km (0.057 R)
• M29: 40,209,813 km (0.103 R)
• M30: 43,442,324 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839.2

Radius: 3.1

Gravity: 87.33 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 13.45 AU - 20.35 AU

Year: 25633 Days

Day: 18.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 96,064,575 km

• M1: 38,596 km (0.055 R)
• M2: 417,378 km (0.103 R)
• M3: 544,387 km (0.1 R)
• M4: 1,176,737 km (0.059 R)
• M5: 1,416,393 km (0.106 R)
• M6: 2,478,837 km (0.068 R)
• M7: 2,844,304 km (0.034 R)
• M8: 3,713,767 km (0.099 R)
• M9: 4,155,679 km (0.105 R)
• M10: 4,444,553 km (0.114 R)
• M11: 7,780,286 km (0.063 R)
• M12: 8,162,808 km (0.053 R)
• M13: 8,443,603 km (0.108 R)
• M14: 8,672,787 km (0.05 R)
• M15: 9,446,358 km (0.08 R)
• M16: 10,526,005 km (0.117 R)
• M17: 11,335,928 km (0.117 R)
• M18: 11,474,755 km (0.063 R)
• M19: 11,969,924 km (0.094 R)
• M20: 14,093,167 km (0.094 R)
• M21: 22,375,054 km (0.068 R)
• M22: 27,395,409 km (0.058 R)
• M23: 28,277,887 km (0.083 R)
• M24: 31,859,111 km (0.079 R)
• M25: 35,731,003 km (0.069 R)
• M26: 39,425,771 km (0.069 R)
• M27: 43,706,963 km (0.109 R)
• M28: 48,652,818 km (0.069 R)
• M29: 49,388,540 km (0.112 R)
• M30: 56,345,888 km (0.11 R)
• M31: 61,972,713 km (0.115 R)
• M32: 64,810,585 km (0.111 R)
• M33: 65,924,790 km (0.117 R)
• M34: 70,509,216 km (0.101 R)
• M35: 71,687,599 km (0.103 R)
• M36: 72,401,031 km (0.059 R)
• M37: 73,359,355 km (0.109 R)
• M38: 86,062,608 km (0.06 R)
• M39: 92,930,496 km (0.065 R)
• M40: 93,778,268 km (0.079 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 12,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit