🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.49 AU - 0.59 AU

Year: 149 Days

Day: 32.3 Hours

Environment

Temp: 140 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 104,320,720 km

• M1: 32,313 km (0.102 R)
• M2: 80,633 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.61 AU - 1.71 AU

Year: 801 Days

Day: 29 Hours

Environment

Temp: -58 °C

Axial Tilt: 45.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 104,320,720 km

• M1: 308,471 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.09 AU - 2.41 AU

Year: 1265 Days

Day: 20.2 Hours

Environment

Temp: -84 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.8 AU - 2.9 AU

Year: 1350 Days

Day: 35.1 Hours

Environment

Temp: -82 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 104,320,720 km

• M1: 412,591 km (0.07 R)
• M2: 898,335 km (0.095 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.74 AU - 3.2 AU

Year: 1918 Days

Day: 26.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 93.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.75 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.5

Radius: 13

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.46 AU - 5.58 AU

Year: 3601 Days

Day: 9.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 104,320,720 km

• M1: 161,715 km (0.091 R)
• M2: 834,906 km (0.115 R)
• M3: 2,380,102 km (0.109 R)
• M4: 3,084,858 km (0.088 R)
• M5: 6,509,901 km (0.103 R)
• M6: 7,821,874 km (0.057 R)
• M7: 8,540,692 km (0.073 R)
• M8: 10,659,895 km (0.085 R)
• M9: 11,864,906 km (0.111 R)
• M10: 13,814,466 km (0.111 R)
• M11: 16,025,971 km (0.045 R)
• M12: 16,541,336 km (0.116 R)
• M13: 17,908,959 km (0.033 R)
• M14: 20,199,004 km (0.074 R)
• M15: 22,040,105 km (0.046 R)
• M16: 23,474,299 km (0.107 R)
• M17: 24,893,534 km (0.104 R)
• M18: 25,353,548 km (0.118 R)

Asteroid Belt

Center: 5.62 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.8

Radius: 9.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.47 AU - 7.95 AU

Year: 6513 Days

Day: 11.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 104,320,720 km

• M1: 115,041 km (0.107 R)
• M2: 656,435 km (0.1 R)
• M3: 1,139,337 km (0.076 R)
• M4: 2,176,200 km (0.063 R)
• M5: 3,283,224 km (0.109 R)
• M6: 3,747,277 km (0.068 R)
• M7: 6,272,040 km (0.118 R)
• M8: 9,341,190 km (0.053 R)
• M9: 11,550,751 km (0.095 R)
• M10: 11,982,490 km (0.038 R)
• M11: 12,675,577 km (0.052 R)
• M12: 13,135,142 km (0.083 R)
• M13: 17,407,507 km (0.103 R)
• M14: 18,621,045 km (0.051 R)
• M15: 21,287,029 km (0.083 R)
• M16: 21,791,174 km (0.07 R)
• M17: 24,119,814 km (0.094 R)
• M18: 26,859,250 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.3

Radius: 5.1

Gravity: 29.42 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 17.34 AU - 20.12 AU

Year: 30376 Days

Day: 22.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 104,320,720 km

• M1: 69,114 km (0.1 R)
• M2: 415,284 km (0.106 R)
• M3: 836,551 km (0.057 R)
• M4: 1,615,507 km (0.072 R)
• M5: 1,812,528 km (0.114 R)
• M6: 2,850,288 km (0.11 R)
• M7: 3,913,181 km (0.065 R)
• M8: 4,161,214 km (0.036 R)
• M9: 4,533,414 km (0.076 R)
• M10: 5,517,469 km (0.045 R)
• M11: 7,954,268 km (0.092 R)
• M12: 9,949,006 km (0.116 R)
• M13: 11,236,894 km (0.093 R)
• M14: 11,449,922 km (0.118 R)
• M15: 12,555,899 km (0.074 R)
• M16: 15,236,094 km (0.1 R)
• M17: 15,409,927 km (0.114 R)
• M18: 16,755,261 km (0.105 R)
• M19: 17,314,757 km (0.08 R)
• M20: 18,274,726 km (0.088 R)
• M21: 20,300,281 km (0.099 R)
• M22: 20,616,382 km (0.117 R)
• M23: 21,914,143 km (0.09 R)
• M24: 22,695,792 km (0.085 R)
• M25: 23,036,427 km (0.078 R)
• M26: 27,266,007 km (0.079 R)
• M27: 28,431,674 km (0.104 R)
• M28: 30,310,324 km (0.119 R)
• M29: 35,977,091 km (0.088 R)
• M30: 37,378,225 km (0.068 R)
• M31: 41,123,407 km (0.113 R)
• M32: 54,045,971 km (0.057 R)
• M33: 56,294,876 km (0.083 R)
• M34: 61,416,807 km (0.047 R)
• M35: 67,073,253 km (0.106 R)
• M36: 71,597,391 km (0.081 R)
• M37: 72,575,013 km (0.069 R)
• M38: 83,383,609 km (0.087 R)
• M39: 86,934,464 km (0.075 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: 268 - 18,827 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit