🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.38 AU - 0.62 AU

Year: 123 Days

Day: 40.9 Hours

Environment

Temp: 269 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.05 AU - 1.33 AU

Year: 452 Days

Day: 25.7 Hours

Environment

Temp: 25 °C

Axial Tilt: 38.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.24 AU - 1.36 AU

Year: 516 Days

Day: 20.7 Hours

Environment

Temp: 23 °C

Axial Tilt: 4.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 84,865,022 km

• M1: 69,114 km (0.03 R)
• M2: 543,639 km (0.078 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.58 AU - 3.04 AU

Year: 1640 Days

Day: 20.7 Hours

Environment

Temp: -90 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,865,022 km

• M1: 33,959 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.18 AU - 3.62 AU

Year: 2183 Days

Day: 27.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.7

Radius: 8.6

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.28 AU - 10.84 AU

Year: 9497 Days

Day: 13.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,865,022 km

• M1: 107,112 km (0.113 R)
• M2: 739,612 km (0.082 R)
• M3: 1,113,158 km (0.058 R)
• M4: 1,715,888 km (0.105 R)
• M5: 2,201,632 km (0.097 R)
• M6: 2,795,386 km (0.113 R)
• M7: 5,736,330 km (0.043 R)
• M8: 7,543,473 km (0.104 R)
• M9: 8,596,941 km (0.108 R)
• M10: 9,180,373 km (0.047 R)
• M11: 12,086,012 km (0.118 R)
• M12: 12,978,812 km (0.03 R)
• M13: 14,486,160 km (0.114 R)
• M14: 14,954,402 km (0.05 R)
• M15: 17,317,599 km (0.103 R)
• M16: 17,845,081 km (0.095 R)
• M17: 18,725,016 km (0.098 R)
• M18: 19,071,185 km (0.077 R)
• M19: 20,865,911 km (0.089 R)
• M20: 21,312,760 km (0.091 R)
• M21: 25,037,747 km (0.098 R)
• M22: 25,882,825 km (0.091 R)
• M23: 27,185,823 km (0.09 R)
• M24: 28,714,862 km (0.031 R)
• M25: 30,586,182 km (0.112 R)
• M26: 31,066,391 km (0.082 R)
• M27: 34,054,010 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.8

Radius: 4.2

Gravity: 55.71 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 12.78 AU - 16.66 AU

Year: 19668 Days

Day: 17.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,865,022 km

• M1: 52,210 km (0.053 R)
• M2: 217,814 km (0.108 R)
• M3: 433,235 km (0.099 R)
• M4: 793,617 km (0.1 R)
• M5: 1,409,511 km (0.103 R)
• M6: 3,595,884 km (0.086 R)
• M7: 4,109,005 km (0.051 R)
• M8: 4,453,529 km (0.077 R)
• M9: 4,596,694 km (0.051 R)
• M10: 8,524,835 km (0.097 R)
• M11: 9,199,371 km (0.084 R)
• M12: 11,435,560 km (0.098 R)
• M13: 12,254,908 km (0.045 R)
• M14: 14,708,612 km (0.072 R)
• M15: 15,026,657 km (0.08 R)
• M16: 15,268,108 km (0.11 R)
• M17: 17,738,119 km (0.095 R)
• M18: 19,303,062 km (0.118 R)
• M19: 20,857,982 km (0.098 R)
• M20: 21,158,524 km (0.111 R)
• M21: 22,494,433 km (0.051 R)
• M22: 25,560,741 km (0.117 R)
• M23: 29,518,652 km (0.086 R)
• M24: 31,576,670 km (0.109 R)
• M25: 33,181,556 km (0.034 R)
• M26: 38,471,187 km (0.111 R)
• M27: 48,722,531 km (0.066 R)
• M28: 49,962,846 km (0.096 R)
• M29: 60,652,362 km (0.108 R)
• M30: 64,598,904 km (0.116 R)
• M31: 66,526,622 km (0.061 R)
• M32: 68,492,338 km (0.103 R)
• M33: 74,387,840 km (0.037 R)

Kuiper Belt

Range: 31.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 12,212 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit