🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.52 AU - 0.64 AU

Year: 155 Days

Day: 21.5 Hours

Environment

Temp: 220 °C

Axial Tilt: 25.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.18 AU - 1.28 AU

Year: 477 Days

Day: 46.3 Hours

Environment

Temp: 24 °C

Axial Tilt: 33.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.21 AU - 1.75 AU

Year: 630 Days

Day: 30.3 Hours

Environment

Temp: -4 °C

Axial Tilt: 43.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.82 AU - 2.54 AU

Year: 1126 Days

Day: 30 Hours

Environment

Temp: -64 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.9

Radius: 13.8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.59 AU - 10.53 AU

Year: 9540 Days

Day: 10 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 98,268,186 km

• M1: 171,738 km (0.049 R)
• M2: 607,966 km (0.073 R)
• M3: 1,103,135 km (0.053 R)
• M4: 1,804,300 km (0.106 R)
• M5: 2,275,683 km (0.089 R)
• M6: 2,790,449 km (0.103 R)
• M7: 3,638,220 km (0.106 R)
• M8: 4,348,212 km (0.091 R)
• M9: 7,986,432 km (0.056 R)
• M10: 9,507,693 km (0.104 R)
• M11: 13,003,645 km (0.11 R)
• M12: 18,695,695 km (0.113 R)
• M13: 21,519,504 km (0.074 R)
• M14: 24,880,071 km (0.105 R)
• M15: 27,243,268 km (0.04 R)
• M16: 28,769,915 km (0.075 R)
• M17: 30,151,750 km (0.074 R)
• M18: 31,577,567 km (0.082 R)
• M19: 32,941,302 km (0.113 R)
• M20: 35,004,705 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.9

Radius: 5

Gravity: 31.8 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 14.92 AU - 17.26 AU

Year: 22579 Days

Day: 21.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 98,268,186 km

• M1: 62,532 km (0.096 R)
• M2: 256,860 km (0.115 R)
• M3: 610,659 km (0.095 R)
• M4: 853,007 km (0.099 R)
• M5: 1,274,723 km (0.085 R)
• M6: 1,432,100 km (0.081 R)
• M7: 2,424,682 km (0.079 R)
• M8: 3,119,116 km (0.086 R)
• M9: 4,171,686 km (0.079 R)
• M10: 4,557,798 km (0.061 R)
• M11: 5,005,844 km (0.091 R)
• M12: 5,817,113 km (0.077 R)
• M13: 8,276,353 km (0.071 R)
• M14: 8,439,564 km (0.088 R)
• M15: 9,113,951 km (0.067 R)
• M16: 9,346,576 km (0.112 R)
• M17: 11,352,234 km (0.108 R)
• M18: 12,384,161 km (0.086 R)
• M19: 12,597,786 km (0.073 R)
• M20: 18,402,632 km (0.108 R)
• M21: 19,341,359 km (0.098 R)
• M22: 20,017,093 km (0.062 R)
• M23: 22,034,719 km (0.045 R)
• M24: 26,234,231 km (0.072 R)
• M25: 28,274,297 km (0.09 R)
• M26: 28,893,782 km (0.109 R)
• M27: 36,027,655 km (0.067 R)
• M28: 42,936,683 km (0.038 R)
• M29: 45,930,735 km (0.073 R)
• M30: 48,353,473 km (0.088 R)
• M31: 50,496,911 km (0.114 R)
• M32: 51,591,967 km (0.116 R)
• M33: 51,960,427 km (0.082 R)
• M34: 54,208,434 km (0.05 R)
• M35: 57,305,409 km (0.112 R)
• M36: 58,897,280 km (0.105 R)
• M37: 66,208,876 km (0.117 R)
• M38: 75,515,808 km (0.106 R)
• M39: 79,372,142 km (0.111 R)
• M40: 83,610,998 km (0.079 R)
• M41: 86,432,863 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.4

Radius: 6.1

Gravity: 17.37 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 15.96 AU - 23.12 AU

Year: 30218 Days

Day: 19.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 98,268,186 km

• M1: 455,825 km (0.089 R)
• M2: 2,325,050 km (0.102 R)
• M3: 3,969,430 km (0.032 R)
• M4: 4,581,136 km (0.1 R)
• M5: 5,421,427 km (0.1 R)
• M6: 5,990,647 km (0.109 R)
• M7: 7,560,527 km (0.115 R)
• M8: 10,270,492 km (0.116 R)
• M9: 10,665,879 km (0.11 R)
• M10: 12,276,450 km (0.118 R)
• M11: 22,145,122 km (0.064 R)
• M12: 23,933,715 km (0.089 R)
• M13: 25,695,977 km (0.062 R)
• M14: 26,917,594 km (0.114 R)
• M15: 35,517,826 km (0.104 R)
• M16: 36,573,388 km (0.102 R)
• M17: 39,865,738 km (0.108 R)
• M18: 41,005,674 km (0.068 R)
• M19: 42,502,849 km (0.07 R)
• M20: 45,254,104 km (0.106 R)
• M21: 46,315,650 km (0.093 R)
• M22: 50,728,339 km (0.075 R)
• M23: 66,082,915 km (0.099 R)
• M24: 92,776,859 km (0.091 R)
• M25: 96,511,271 km (0.102 R)
• M26: 97,973,889 km (0.089 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 18,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit