🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.44 AU - 0.58 AU

Year: 129 Days

Day: 30.3 Hours

Environment

Temp: 282 °C

Axial Tilt: 19.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,075,285 km

• M1: 47,871 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.62 AU - 0.66 AU

Year: 182 Days

Day: 29.8 Hours

Environment

Temp: 204 °C

Axial Tilt: 6.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.78 AU - 0.86 AU

Year: 263 Days

Day: 47.5 Hours

Environment

Temp: 117 °C

Axial Tilt: 26 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.89 AU - 1.35 AU

Year: 420 Days

Day: 17.4 Hours

Environment

Temp: 26 °C

Axial Tilt: 13.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 49,075,285 km

• M1: 736,171 km (0.049 R)
• M2: 1,103,583 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.21 AU - 1.73 AU

Year: 632 Days

Day: 47.5 Hours

Environment

Temp: -12 °C

Axial Tilt: 27.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.21 AU - 2.75 AU

Year: 1386 Days

Day: 20 Hours

Environment

Temp: -69 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.38 AU - 4.94 AU

Year: 3010 Days

Day: 33.1 Hours

Environment

Temp: -122 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.6

Radius: 13.9

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.63 AU - 7.81 AU

Year: 6882 Days

Day: 13.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,075,285 km

• M1: 192,383 km (0.068 R)
• M2: 716,275 km (0.086 R)
• M3: 3,124,651 km (0.116 R)
• M4: 4,406,405 km (0.1 R)
• M5: 5,067,628 km (0.078 R)
• M6: 5,986,458 km (0.105 R)
• M7: 10,395,706 km (0.116 R)
• M8: 11,527,414 km (0.055 R)
• M9: 15,470,365 km (0.113 R)
• M10: 16,888,253 km (0.095 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604

Radius: 12.6

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.39 AU - 9.87 AU

Year: 8994 Days

Day: 12.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,075,285 km

• M1: 159,920 km (0.101 R)
• M2: 761,453 km (0.116 R)
• M3: 1,175,989 km (0.112 R)
• M4: 1,594,564 km (0.087 R)
• M5: 2,300,666 km (0.098 R)
• M6: 2,727,020 km (0.066 R)
• M7: 3,525,723 km (0.113 R)
• M8: 4,149,695 km (0.118 R)
• M9: 5,332,117 km (0.063 R)
• M10: 6,225,964 km (0.059 R)
• M11: 7,771,310 km (0.03 R)
• M12: 8,699,415 km (0.077 R)
• M13: 9,144,918 km (0.047 R)
• M14: 11,342,511 km (0.035 R)
• M15: 12,480,053 km (0.088 R)
• M16: 13,751,934 km (0.074 R)
• M17: 15,236,094 km (0.12 R)
• M18: 17,658,832 km (0.098 R)
• M19: 18,302,701 km (0.092 R)
• M20: 20,719,155 km (0.096 R)
• M21: 24,731,819 km (0.09 R)
• M22: 25,628,658 km (0.107 R)
• M23: 30,339,495 km (0.117 R)
• M24: 41,434,272 km (0.075 R)

Planet 10 - Gas Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.3

Radius: 11.6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 8.68 AU - 12.58 AU

Year: 12295 Days

Day: 5.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,075,285 km

• M1: 145,858 km (0.117 R)
• M2: 507,137 km (0.083 R)
• M3: 881,580 km (0.068 R)
• M4: 3,275,894 km (0.091 R)
• M5: 3,769,418 km (0.097 R)
• M6: 4,723,104 km (0.114 R)
• M7: 6,224,019 km (0.114 R)
• M8: 7,265,221 km (0.073 R)
• M9: 9,840,249 km (0.066 R)
• M10: 11,693,467 km (0.113 R)
• M11: 15,940,551 km (0.037 R)
• M12: 16,712,775 km (0.071 R)
• M13: 24,545,121 km (0.12 R)
• M14: 27,820,118 km (0.065 R)
• M15: 28,325,160 km (0.072 R)
• M16: 34,989,147 km (0.051 R)
• M17: 37,505,682 km (0.086 R)
• M18: 38,495,272 km (0.082 R)
• M19: 46,056,846 km (0.098 R)
• M20: 48,636,213 km (0.063 R)

Kuiper Belt

Range: 30.9 - 59.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 19,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit