🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.59 AU - 0.91 AU

Year: 229 Days

Day: 47.3 Hours

Environment

Temp: 146 °C

Axial Tilt: 8.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,974,867 km

• M1: 33,510 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.78 AU - 1.02 AU

Year: 301 Days

Day: 25.6 Hours

Environment

Temp: 143 °C

Axial Tilt: 8.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.47 AU - 1.79 AU

Year: 735 Days

Day: 38.8 Hours

Environment

Temp: -41 °C

Axial Tilt: 164.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.6 AU - 2.08 AU

Year: 881 Days

Day: 39 Hours

Environment

Temp: -55 °C

Axial Tilt: 169.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,974,867 km

• M1: 902,973 km (0.057 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.99 AU - 2.37 AU

Year: 1137 Days

Day: 27.5 Hours

Environment

Temp: -56 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 39,974,867 km

• M1: 66,870 km (0.08 R)
• M2: 100,979 km (0.102 R)

Asteroid Belt

Center: 3.83 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.2

Radius: 12.4

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.36 AU - 5.6 AU

Year: 4530 Days

Day: 14.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 57.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,974,867 km

• M1: 154,235 km (0.1 R)
• M2: 562,937 km (0.104 R)
• M3: 1,033,572 km (0.097 R)
• M4: 1,511,088 km (0.067 R)
• M5: 2,422,438 km (0.055 R)
• M6: 3,131,383 km (0.078 R)
• M7: 3,713,318 km (0.096 R)
• M8: 4,295,404 km (0.11 R)
• M9: 4,809,422 km (0.084 R)
• M10: 5,282,450 km (0.105 R)
• M11: 6,384,239 km (0.107 R)
• M12: 6,794,586 km (0.087 R)
• M13: 7,289,904 km (0.03 R)
• M14: 7,738,698 km (0.104 R)
• M15: 8,502,545 km (0.075 R)
• M16: 9,117,990 km (0.111 R)
• M17: 10,786,904 km (0.083 R)
• M18: 12,310,259 km (0.108 R)
• M19: 15,105,495 km (0.032 R)
• M20: 19,655,215 km (0.06 R)
• M21: 21,635,742 km (0.078 R)
• M22: 22,930,062 km (0.119 R)
• M23: 24,047,409 km (0.078 R)
• M24: 25,279,048 km (0.092 R)
• M25: 25,910,501 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.3

Radius: 14.8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.98 AU - 8.72 AU

Year: 7036 Days

Day: 14.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,974,867 km

• M1: 185,501 km (0.114 R)
• M2: 805,435 km (0.058 R)
• M3: 1,397,843 km (0.078 R)
• M4: 1,955,992 km (0.091 R)
• M5: 2,549,896 km (0.097 R)
• M6: 3,491,166 km (0.075 R)
• M7: 4,797,753 km (0.114 R)
• M8: 6,698,095 km (0.098 R)
• M9: 7,736,903 km (0.047 R)
• M10: 9,893,805 km (0.114 R)
• M11: 10,982,728 km (0.072 R)
• M12: 13,165,660 km (0.101 R)
• M13: 14,298,265 km (0.12 R)
• M14: 15,237,441 km (0.11 R)
• M15: 16,485,835 km (0.079 R)
• M16: 18,158,938 km (0.056 R)
• M17: 20,328,705 km (0.099 R)
• M18: 21,516,512 km (0.08 R)
• M19: 22,086,480 km (0.067 R)
• M20: 24,999,300 km (0.113 R)
• M21: 33,603,571 km (0.08 R)
• M22: 38,268,482 km (0.049 R)
• M23: 40,323,358 km (0.115 R)
• M24: 42,833,910 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.1

Radius: 14.4

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.22 AU - 9.16 AU

Year: 8276 Days

Day: 9.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,974,867 km

• M1: 179,218 km (0.106 R)
• M2: 1,043,296 km (0.102 R)
• M3: 1,729,501 km (0.075 R)
• M4: 2,311,437 km (0.089 R)
• M5: 2,881,853 km (0.064 R)
• M6: 3,685,942 km (0.099 R)
• M7: 4,498,109 km (0.114 R)
• M8: 5,005,844 km (0.117 R)
• M9: 5,551,727 km (0.111 R)
• M10: 7,019,132 km (0.082 R)
• M11: 7,823,819 km (0.104 R)
• M12: 8,774,962 km (0.051 R)
• M13: 12,255,656 km (0.103 R)
• M14: 17,579,545 km (0.104 R)
• M15: 18,775,131 km (0.092 R)
• M16: 20,024,273 km (0.091 R)
• M17: 21,016,406 km (0.11 R)
• M18: 23,264,414 km (0.04 R)
• M19: 25,668,451 km (0.054 R)
• M20: 29,287,074 km (0.073 R)
• M21: 29,970,737 km (0.112 R)
• M22: 30,965,862 km (0.108 R)
• M23: 36,275,389 km (0.049 R)
• M24: 36,724,781 km (0.115 R)
• M25: 39,974,795 km (0.098 R)

Kuiper Belt

Range: 31.1 - 57.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 13,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit