🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.64 AU - 0.8 AU

Year: 229 Days

Day: 29.6 Hours

Environment

Temp: 102 °C

Axial Tilt: 120.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.73 AU - 1.03 AU

Year: 309 Days

Day: 29.7 Hours

Environment

Temp: 27 °C

Axial Tilt: 61.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 39,057,416 km

• M1: 251,025 km (0.117 R)
• M2: 459,565 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.94 AU - 0.98 AU

Year: 352 Days

Day: 18.1 Hours

Environment

Temp: 37 °C

Axial Tilt: 41.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 39,057,416 km

• M1: 81,980 km (0.098 R)
• M2: 126,111 km (0.078 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.8 AU - 1.32 AU

Year: 409 Days

Day: 43.8 Hours

Environment

Temp: 4 °C

Axial Tilt: 37.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.42 AU - 2.06 AU

Year: 860 Days

Day: 16.2 Hours

Environment

Temp: -59 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.51 AU - 4.47 AU

Year: 2987 Days

Day: 32.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.5

Radius: 11.1

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.06 AU - 7.46 AU

Year: 6586 Days

Day: 10.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,057,416 km

• M1: 141,520 km (0.107 R)
• M2: 731,683 km (0.086 R)
• M3: 1,235,828 km (0.116 R)
• M4: 1,595,312 km (0.039 R)
• M5: 2,133,565 km (0.077 R)
• M6: 3,532,604 km (0.12 R)
• M7: 3,950,581 km (0.104 R)
• M8: 5,259,412 km (0.057 R)
• M9: 5,743,960 km (0.071 R)
• M10: 7,490,515 km (0.072 R)
• M11: 9,699,776 km (0.119 R)
• M12: 11,847,553 km (0.116 R)
• M13: 14,352,869 km (0.052 R)
• M14: 14,762,916 km (0.11 R)
• M15: 17,855,852 km (0.036 R)
• M16: 18,536,373 km (0.104 R)
• M17: 22,750,246 km (0.113 R)
• M18: 29,213,472 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.5

Radius: 12.1

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 10.1 AU - 10.36 AU

Year: 12261 Days

Day: 13.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,057,416 km

• M1: 150,645 km (0.104 R)
• M2: 570,417 km (0.082 R)
• M3: 1,548,637 km (0.049 R)
• M4: 2,042,460 km (0.081 R)
• M5: 3,095,180 km (0.117 R)
• M6: 3,625,504 km (0.11 R)
• M7: 6,946,577 km (0.12 R)
• M8: 8,428,942 km (0.039 R)
• M9: 11,285,364 km (0.089 R)
• M10: 11,904,699 km (0.1 R)
• M11: 12,820,986 km (0.114 R)
• M12: 25,594,550 km (0.08 R)
• M13: 26,304,542 km (0.1 R)
• M14: 28,043,467 km (0.082 R)
• M15: 29,469,584 km (0.033 R)
• M16: 37,332,747 km (0.065 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 12,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit