🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.73 AU - 0.77 AU

Year: 227 Days

Day: 40.3 Hours

Environment

Temp: 135 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.36 AU - 2 AU

Year: 762 Days

Day: 27.7 Hours

Environment

Temp: -29 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.63 AU - 1.93 AU

Year: 831 Days

Day: 31.4 Hours

Environment

Temp: -43 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.5

Radius: 14.8

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.51 AU - 8.29 AU

Year: 6341 Days

Day: 5.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 102,408,848 km

• M1: 184,005 km (0.117 R)
• M2: 1,403,378 km (0.082 R)
• M3: 2,527,157 km (0.101 R)
• M4: 3,552,501 km (0.097 R)
• M5: 7,949,481 km (0.118 R)
• M6: 8,952,236 km (0.059 R)
• M7: 10,441,333 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.2

Radius: 11.6

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.41 AU - 9.41 AU

Year: 8532 Days

Day: 13.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 102,408,848 km

• M1: 144,212 km (0.099 R)
• M2: 582,983 km (0.059 R)
• M3: 960,718 km (0.114 R)
• M4: 2,450,862 km (0.089 R)
• M5: 2,879,909 km (0.11 R)
• M6: 3,492,961 km (0.055 R)
• M7: 4,014,608 km (0.093 R)
• M8: 5,009,285 km (0.076 R)
• M9: 5,643,131 km (0.098 R)
• M10: 6,329,636 km (0.025 R)
• M11: 7,181,745 km (0.094 R)
• M12: 9,737,026 km (0.109 R)
• M13: 10,152,759 km (0.086 R)
• M14: 10,580,160 km (0.1 R)
• M15: 13,178,525 km (0.074 R)
• M16: 17,223,951 km (0.104 R)
• M17: 17,628,463 km (0.025 R)
• M18: 19,310,243 km (0.051 R)
• M19: 20,115,827 km (0.117 R)
• M20: 28,875,082 km (0.107 R)
• M21: 37,016,348 km (0.051 R)
• M22: 37,917,525 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941.9

Radius: 3.3

Gravity: 86.49 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 12.23 AU - 16.55 AU

Year: 19097 Days

Day: 23 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 102,408,848 km

• M1: 42,336 km (0.103 R)
• M2: 251,923 km (0.077 R)
• M3: 3,151,728 km (0.101 R)
• M4: 4,161,214 km (0.084 R)
• M5: 4,980,562 km (0.113 R)
• M6: 14,988,959 km (0.105 R)
• M7: 26,514,128 km (0.103 R)
• M8: 34,085,725 km (0.114 R)
• M9: 35,614,017 km (0.089 R)
• M10: 36,753,803 km (0.082 R)
• M11: 41,244,582 km (0.086 R)
• M12: 43,621,094 km (0.119 R)
• M13: 50,579,489 km (0.101 R)
• M14: 58,437,566 km (0.116 R)
• M15: 58,830,859 km (0.053 R)
• M16: 59,622,680 km (0.076 R)
• M17: 70,793,901 km (0.094 R)
• M18: 72,592,666 km (0.073 R)
• M19: 77,458,636 km (0.094 R)
• M20: 77,933,160 km (0.075 R)
• M21: 78,409,630 km (0.099 R)
• M22: 79,850,407 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.1

Radius: 7.9

Gravity: 13.7 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 15.69 AU - 21.41 AU

Year: 27951 Days

Day: 19 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 102,408,848 km

• M1: 101,577 km (0.111 R)
• M2: 557,850 km (0.069 R)
• M3: 822,339 km (0.108 R)
• M4: 2,491,702 km (0.072 R)
• M5: 3,774,953 km (0.099 R)
• M6: 5,407,664 km (0.061 R)
• M7: 6,794,586 km (0.066 R)
• M8: 7,253,253 km (0.08 R)
• M9: 13,431,794 km (0.112 R)
• M10: 14,650,568 km (0.099 R)
• M11: 16,843,075 km (0.106 R)
• M12: 23,549,996 km (0.036 R)
• M13: 24,599,874 km (0.118 R)
• M14: 28,848,753 km (0.036 R)
• M15: 33,562,282 km (0.063 R)
• M16: 40,062,609 km (0.093 R)
• M17: 42,403,068 km (0.095 R)
• M18: 44,129,577 km (0.066 R)
• M19: 47,171,350 km (0.058 R)
• M20: 48,649,976 km (0.074 R)
• M21: 50,733,126 km (0.107 R)
• M22: 52,285,054 km (0.078 R)
• M23: 67,237,960 km (0.1 R)
• M24: 92,324,027 km (0.1 R)
• M25: 99,370,086 km (0.095 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 20,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit