🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.59 AU - 0.93 AU

Year: 255 Days

Day: 35.4 Hours

Environment

Temp: 71 °C

Axial Tilt: 37.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.7 AU - 0.9 AU

Year: 275 Days

Day: 38.1 Hours

Environment

Temp: 38 °C

Axial Tilt: 45.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 35,194,574 km

• M1: 14,661 km (0.056 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.78 AU - 0.98 AU

Year: 318 Days

Day: 47.9 Hours

Environment

Temp: 8 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 35,194,574 km

• M1: 249,529 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.36 AU - 1.42 AU

Year: 631 Days

Day: 43.7 Hours

Environment

Temp: -49 °C

Axial Tilt: 7.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,194,574 km

• M1: 32,612 km (0.105 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.33 AU - 1.95 AU

Year: 809 Days

Day: 19.2 Hours

Environment

Temp: -72 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,194,574 km

• M1: 1,166,415 km (0.067 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.8 AU - 3.3 AU

Year: 2051 Days

Day: 20.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 73.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 35,194,574 km

• M1: 48,919 km (0.103 R)
• M2: 919,728 km (0.108 R)

Asteroid Belt

Center: 4.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.9

Radius: 8.9

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.06 AU - 6.66 AU

Year: 4778 Days

Day: 10.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,194,574 km

• M1: 110,702 km (0.106 R)
• M2: 408,402 km (0.118 R)
• M3: 845,078 km (0.111 R)
• M4: 1,500,167 km (0.108 R)
• M5: 2,061,159 km (0.043 R)
• M6: 2,492,600 km (0.119 R)
• M7: 2,859,414 km (0.115 R)
• M8: 4,068,763 km (0.041 R)
• M9: 4,412,389 km (0.04 R)
• M10: 4,800,296 km (0.105 R)
• M11: 5,237,272 km (0.075 R)
• M12: 7,937,364 km (0.089 R)
• M13: 10,363,243 km (0.106 R)
• M14: 10,746,064 km (0.08 R)
• M15: 12,563,080 km (0.103 R)
• M16: 14,841,904 km (0.059 R)
• M17: 18,045,842 km (0.087 R)
• M18: 19,230,058 km (0.107 R)
• M19: 22,735,136 km (0.074 R)
• M20: 25,397,081 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.9

Radius: 15

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.51 AU - 8.61 AU

Year: 7222 Days

Day: 13.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,194,574 km

• M1: 186,549 km (0.05 R)
• M2: 1,513,631 km (0.064 R)
• M3: 2,363,198 km (0.118 R)
• M4: 3,781,385 km (0.094 R)
• M5: 4,356,140 km (0.084 R)
• M6: 5,169,953 km (0.043 R)
• M7: 7,298,581 km (0.08 R)
• M8: 12,390,444 km (0.107 R)
• M9: 13,116,741 km (0.06 R)
• M10: 13,922,475 km (0.086 R)
• M11: 16,309,609 km (0.104 R)
• M12: 17,480,212 km (0.102 R)
• M13: 24,790,910 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100

Radius: 3.2

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 9.18 AU - 15.28 AU

Year: 16467 Days

Day: 23.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,194,574 km

• M1: 40,242 km (0.047 R)
• M2: 168,148 km (0.088 R)
• M3: 424,409 km (0.116 R)
• M4: 575,952 km (0.074 R)
• M5: 1,097,300 km (0.081 R)
• M6: 1,337,854 km (0.085 R)
• M7: 1,777,522 km (0.077 R)
• M8: 3,713,019 km (0.119 R)
• M9: 4,100,178 km (0.115 R)
• M10: 4,648,455 km (0.109 R)
• M11: 6,414,158 km (0.093 R)
• M12: 7,941,104 km (0.082 R)
• M13: 8,872,051 km (0.058 R)
• M14: 9,649,661 km (0.075 R)
• M15: 10,055,071 km (0.12 R)
• M16: 12,835,946 km (0.083 R)
• M17: 16,403,855 km (0.111 R)
• M18: 19,636,516 km (0.118 R)
• M19: 33,330,256 km (0.084 R)
• M20: 34,774,474 km (0.098 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 12,608 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit