🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.54 AU - 0.56 AU

Year: 146 Days

Day: 39.9 Hours

Environment

Temp: 256 °C

Axial Tilt: 6.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 87,469,478 km

• M1: 375,640 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.56 AU - 0.74 AU

Year: 188 Days

Day: 21.5 Hours

Environment

Temp: 196 °C

Axial Tilt: 44.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.84 AU - 1.2 AU

Year: 369 Days

Day: 45.5 Hours

Environment

Temp: 31 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.38 AU - 1.42 AU

Year: 593 Days

Day: 25.4 Hours

Environment

Temp: -15 °C

Axial Tilt: 15.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 87,469,478 km

• M1: 33,211 km (0.071 R)
• M2: 362,476 km (0.094 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.24 AU - 2.02 AU

Year: 745 Days

Day: 19.6 Hours

Environment

Temp: -46 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.43 AU - 1.83 AU

Year: 745 Days

Day: 19.9 Hours

Environment

Temp: -46 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.84 AU - 4.62 AU

Year: 2580 Days

Day: 31.4 Hours

Environment

Temp: -115 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262

Radius: 10.9

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.89 AU - 10.51 AU

Year: 11667 Days

Day: 7.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,469,478 km

• M1: 136,134 km (0.109 R)
• M2: 567,425 km (0.1 R)
• M3: 1,092,214 km (0.093 R)
• M4: 1,593,217 km (0.104 R)
• M5: 2,227,512 km (0.052 R)
• M6: 4,176,174 km (0.097 R)
• M7: 5,664,224 km (0.105 R)
• M8: 7,907,594 km (0.085 R)
• M9: 8,518,851 km (0.111 R)
• M10: 9,117,392 km (0.119 R)
• M11: 9,516,818 km (0.1 R)
• M12: 11,132,625 km (0.118 R)
• M13: 11,744,480 km (0.077 R)
• M14: 13,542,796 km (0.109 R)
• M15: 14,657,899 km (0.079 R)
• M16: 16,541,785 km (0.067 R)
• M17: 18,022,205 km (0.12 R)
• M18: 21,555,707 km (0.116 R)
• M19: 23,650,675 km (0.097 R)
• M20: 24,747,527 km (0.113 R)
• M21: 26,770,539 km (0.11 R)
• M22: 30,252,878 km (0.065 R)
• M23: 30,844,687 km (0.119 R)
• M24: 32,769,862 km (0.098 R)
• M25: 34,559,053 km (0.07 R)
• M26: 35,205,764 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.4

Radius: 5.4

Gravity: 29.88 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 13.28 AU - 17.72 AU

Year: 21856 Days

Day: 19.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 87,469,478 km

• M1: 67,169 km (0.113 R)
• M2: 268,229 km (0.096 R)
• M3: 666,608 km (0.101 R)
• M4: 1,352,514 km (0.086 R)
• M5: 2,747,215 km (0.05 R)
• M6: 4,750,331 km (0.094 R)
• M7: 5,291,725 km (0.117 R)
• M8: 5,577,457 km (0.1 R)
• M9: 6,003,213 km (0.063 R)
• M10: 7,261,481 km (0.078 R)
• M11: 7,512,506 km (0.093 R)
• M12: 8,742,051 km (0.061 R)
• M13: 9,434,240 km (0.104 R)
• M14: 10,162,183 km (0.034 R)
• M15: 11,457,701 km (0.116 R)
• M16: 13,079,342 km (0.099 R)
• M17: 17,208,692 km (0.091 R)
• M18: 19,711,315 km (0.106 R)
• M19: 21,714,430 km (0.068 R)
• M20: 26,472,390 km (0.088 R)
• M21: 26,947,513 km (0.1 R)
• M22: 29,408,249 km (0.109 R)
• M23: 30,562,995 km (0.097 R)
• M24: 31,349,431 km (0.105 R)
• M25: 42,508,684 km (0.1 R)
• M26: 46,173,084 km (0.044 R)
• M27: 46,344,523 km (0.064 R)
• M28: 51,501,760 km (0.111 R)
• M29: 54,695,973 km (0.089 R)
• M30: 63,996,024 km (0.077 R)
• M31: 71,280,842 km (0.114 R)
• M32: 71,739,360 km (0.101 R)
• M33: 76,193,188 km (0.092 R)
• M34: 80,331,364 km (0.104 R)
• M35: 82,329,543 km (0.075 R)
• M36: 83,087,256 km (0.115 R)
• M37: 83,595,141 km (0.103 R)
• M38: 85,646,875 km (0.067 R)
• M39: 86,424,784 km (0.081 R)
• M40: 86,685,234 km (0.091 R)
• M41: 86,946,133 km (0.083 R)

Kuiper Belt

Range: 30.6 - 57.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 10,283 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit