🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.47 AU - 0.61 AU

Year: 141 Days

Day: 40.9 Hours

Environment

Temp: 179 °C

Axial Tilt: 31.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.66 AU - 0.68 AU

Year: 195 Days

Day: 12.6 Hours

Environment

Temp: 172 °C

Axial Tilt: 3.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.7 AU - 0.74 AU

Year: 218 Days

Day: 45 Hours

Environment

Temp: 131 °C

Axial Tilt: 16.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.95 AU - 1.22 AU

Year: 400 Days

Day: 40.5 Hours

Environment

Temp: 19 °C

Axial Tilt: 0 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 13,507,121 km

• M1: 760,107 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.29 AU - 2.43 AU

Year: 1292 Days

Day: 35.5 Hours

Environment

Temp: -71 °C

Axial Tilt: 44.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.16 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.5

Radius: 10.2

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.5 AU - 7.4 AU

Year: 5173 Days

Day: 9.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 13,507,121 km

• M1: 126,859 km (0.099 R)
• M2: 505,641 km (0.088 R)
• M3: 882,627 km (0.086 R)
• M4: 1,547,141 km (0.088 R)
• M5: 2,095,268 km (0.111 R)
• M6: 3,238,794 km (0.108 R)
• M7: 3,807,266 km (0.027 R)
• M8: 4,466,843 km (0.07 R)
• M9: 4,947,650 km (0.077 R)
• M10: 5,950,405 km (0.106 R)
• M11: 6,908,130 km (0.03 R)
• M12: 7,775,948 km (0.102 R)
• M13: 9,043,939 km (0.111 R)
• M14: 10,037,120 km (0.073 R)
• M15: 10,863,797 km (0.098 R)
• M16: 13,344,429 km (0.068 R)
• M17: 16,490,772 km (0.106 R)
• M18: 18,504,359 km (0.113 R)
• M19: 19,187,423 km (0.112 R)
• M20: 22,394,502 km (0.052 R)
• M21: 24,286,317 km (0.06 R)
• M22: 24,693,522 km (0.112 R)
• M23: 27,145,730 km (0.071 R)
• M24: 31,941,389 km (0.11 R)
• M25: 32,332,139 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.7

Radius: 8.7

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.06 AU - 7.16 AU

Year: 6758 Days

Day: 5.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 13,507,121 km

• M1: 109,954 km (0.118 R)
• M2: 399,127 km (0.072 R)
• M3: 752,627 km (0.078 R)
• M4: 1,074,562 km (0.065 R)
• M5: 1,913,506 km (0.096 R)
• M6: 2,435,304 km (0.112 R)
• M7: 2,760,081 km (0.075 R)
• M8: 3,070,496 km (0.08 R)
• M9: 3,568,208 km (0.115 R)
• M10: 3,887,001 km (0.071 R)
• M11: 4,332,803 km (0.103 R)
• M12: 5,233,233 km (0.065 R)
• M13: 6,012,039 km (0.117 R)
• M14: 6,288,197 km (0.114 R)
• M15: 7,478,996 km (0.08 R)
• M16: 7,758,295 km (0.073 R)
• M17: 8,682,062 km (0.099 R)
• M18: 9,080,441 km (0.095 R)
• M19: 15,625,348 km (0.117 R)
• M20: 16,549,564 km (0.112 R)
• M21: 20,691,031 km (0.118 R)
• M22: 21,724,004 km (0.069 R)
• M23: 28,364,055 km (0.036 R)
• M24: 28,654,575 km (0.105 R)
• M25: 33,256,205 km (0.061 R)
• M26: 36,354,975 km (0.105 R)
• M27: 40,370,182 km (0.051 R)
• M28: 41,730,027 km (0.053 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.7

Radius: 10.1

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.34 AU - 8.82 AU

Year: 7439 Days

Day: 11.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 13,507,121 km

• M1: 126,111 km (0.079 R)
• M2: 637,736 km (0.093 R)
• M3: 994,975 km (0.039 R)
• M4: 1,758,523 km (0.083 R)
• M5: 2,564,855 km (0.098 R)
• M6: 3,314,790 km (0.096 R)
• M7: 3,716,310 km (0.07 R)
• M8: 4,222,849 km (0.059 R)
• M9: 4,540,744 km (0.067 R)
• M10: 5,058,054 km (0.09 R)
• M11: 6,234,641 km (0.095 R)
• M12: 7,210,767 km (0.078 R)
• M13: 8,085,316 km (0.096 R)
• M14: 8,786,332 km (0.056 R)
• M15: 10,309,537 km (0.091 R)
• M16: 10,889,079 km (0.067 R)

Kuiper Belt

Range: 30.8 - 57.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 15,208 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit