🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.59 AU - 0.65 AU

Year: 172 Days

Day: 27 Hours

Environment

Temp: 195 °C

Axial Tilt: 45.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 44,121,037 km

• M1: 43,234 km (0.1 R)
• M2: 350,957 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.39 AU - 1.43 AU

Year: 588 Days

Day: 14.5 Hours

Environment

Temp: 10 °C

Axial Tilt: 6.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 44,121,037 km

• M1: 226,491 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.32 AU - 3.12 AU

Year: 1577 Days

Day: 16.7 Hours

Environment

Temp: -79 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.78 AU - 4.28 AU

Year: 2331 Days

Day: 21 Hours

Environment

Temp: -99 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,121,037 km

• M1: 1,367,773 km (0.076 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.68 AU - 4.06 AU

Year: 2676 Days

Day: 12.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.92 AU - 5.94 AU

Year: 3847 Days

Day: 36.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 109.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,121,037 km

• M1: 39,344 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.3

Radius: 14

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.61 AU - 6.23 AU

Year: 5062 Days

Day: 6.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,121,037 km

• M1: 174,132 km (0.083 R)
• M2: 666,159 km (0.112 R)
• M3: 1,302,399 km (0.112 R)
• M4: 2,287,202 km (0.096 R)
• M5: 3,124,202 km (0.081 R)
• M6: 3,614,883 km (0.062 R)
• M7: 5,579,701 km (0.105 R)
• M8: 6,662,042 km (0.086 R)
• M9: 9,159,728 km (0.092 R)
• M10: 11,029,851 km (0.058 R)
• M11: 12,578,488 km (0.061 R)
• M12: 14,600,752 km (0.042 R)
• M13: 15,109,834 km (0.117 R)
• M14: 16,954,974 km (0.114 R)
• M15: 20,521,088 km (0.114 R)
• M16: 21,594,303 km (0.098 R)
• M17: 22,931,110 km (0.106 R)
• M18: 26,016,117 km (0.112 R)
• M19: 27,018,423 km (0.05 R)
• M20: 28,922,804 km (0.094 R)
• M21: 30,180,473 km (0.093 R)
• M22: 30,730,395 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.5

Radius: 9.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.85 AU - 7.59 AU

Year: 5452 Days

Day: 13.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,121,037 km

• M1: 129,851 km (0.114 R)
• M2: 489,484 km (0.067 R)
• M3: 1,173,147 km (0.054 R)
• M4: 1,519,017 km (0.108 R)
• M5: 2,105,889 km (0.111 R)
• M6: 2,608,388 km (0.057 R)
• M7: 3,027,711 km (0.06 R)
• M8: 3,690,131 km (0.058 R)
• M9: 5,701,324 km (0.045 R)
• M10: 6,352,075 km (0.12 R)
• M11: 6,710,811 km (0.054 R)
• M12: 8,178,665 km (0.103 R)
• M13: 8,895,538 km (0.113 R)
• M14: 9,231,535 km (0.07 R)
• M15: 11,915,919 km (0.092 R)
• M16: 12,233,067 km (0.115 R)
• M17: 12,555,749 km (0.085 R)
• M18: 13,074,405 km (0.104 R)
• M19: 14,716,541 km (0.119 R)
• M20: 18,166,268 km (0.07 R)
• M21: 19,447,424 km (0.08 R)
• M22: 22,600,349 km (0.064 R)
• M23: 23,157,152 km (0.039 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.9

Radius: 13.3

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.6 AU - 12.44 AU

Year: 11148 Days

Day: 6.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 146.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,121,037 km

• M1: 194,328 km (0.049 R)
• M2: 780,602 km (0.065 R)
• M3: 1,316,910 km (0.081 R)
• M4: 2,250,550 km (0.047 R)
• M5: 2,813,188 km (0.076 R)
• M6: 3,709,130 km (0.059 R)
• M7: 4,278,649 km (0.113 R)
• M8: 4,787,581 km (0.079 R)
• M9: 5,273,624 km (0.054 R)
• M10: 5,792,729 km (0.118 R)
• M11: 6,821,065 km (0.099 R)
• M12: 7,802,277 km (0.079 R)
• M13: 8,565,525 km (0.106 R)
• M14: 11,314,087 km (0.093 R)
• M15: 12,070,304 km (0.112 R)
• M16: 13,925,617 km (0.061 R)
• M17: 15,049,097 km (0.088 R)
• M18: 17,618,590 km (0.08 R)
• M19: 18,709,159 km (0.084 R)
• M20: 20,864,565 km (0.107 R)
• M21: 22,002,256 km (0.101 R)
• M22: 27,064,499 km (0.106 R)
• M23: 28,811,952 km (0.116 R)
• M24: 30,427,309 km (0.062 R)
• M25: 34,616,798 km (0.11 R)
• M26: 35,067,237 km (0.076 R)
• M27: 41,283,328 km (0.089 R)
• M28: 43,595,662 km (0.047 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 11,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit