🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.78 AU - 0.8 AU

Year: 263 Days

Day: 43.7 Hours

Environment

Temp: 135 °C

Axial Tilt: 0.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 39,997,932 km

• M1: 43,383 km (0.039 R)
• M2: 600,785 km (0.049 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.12 AU - 3.32 AU

Year: 2165 Days

Day: 27.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.89 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.5

Radius: 8.1

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.59 AU - 5.51 AU

Year: 3637 Days

Day: 8 Hours

Environment

Temp: -140 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,997,932 km

• M1: 194,477 km (0.097 R)
• M2: 1,007,542 km (0.073 R)
• M3: 1,807,292 km (0.117 R)
• M4: 3,665,148 km (0.106 R)
• M5: 4,369,455 km (0.071 R)
• M6: 5,453,142 km (0.084 R)
• M7: 5,730,795 km (0.106 R)
• M8: 6,621,052 km (0.081 R)
• M9: 7,757,098 km (0.109 R)
• M10: 9,335,506 km (0.071 R)
• M11: 9,697,084 km (0.067 R)
• M12: 12,024,378 km (0.105 R)
• M13: 12,758,604 km (0.074 R)
• M14: 14,603,744 km (0.092 R)
• M15: 17,259,406 km (0.1 R)
• M16: 18,417,592 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.2

Radius: 14.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.81 AU - 4.89 AU

Year: 4003 Days

Day: 13.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,997,932 km

• M1: 185,352 km (0.049 R)
• M2: 1,281,455 km (0.094 R)
• M3: 1,866,084 km (0.109 R)
• M4: 2,344,797 km (0.105 R)
• M5: 3,083,661 km (0.059 R)
• M6: 3,608,899 km (0.114 R)
• M7: 4,194,126 km (0.085 R)
• M8: 5,137,490 km (0.065 R)
• M9: 6,878,660 km (0.091 R)
• M10: 8,521,693 km (0.113 R)
• M11: 9,113,203 km (0.044 R)
• M12: 10,240,423 km (0.109 R)
• M13: 14,616,759 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.7

Radius: 13.5

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 8.61 AU - 9.39 AU

Year: 10118 Days

Day: 7.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,997,932 km

• M1: 167,998 km (0.101 R)
• M2: 1,146,219 km (0.042 R)
• M3: 1,685,968 km (0.102 R)
• M4: 2,376,512 km (0.051 R)
• M5: 3,272,753 km (0.083 R)
• M6: 5,598,700 km (0.113 R)
• M7: 6,761,375 km (0.039 R)
• M8: 8,912,144 km (0.086 R)
• M9: 9,705,162 km (0.12 R)
• M10: 10,544,705 km (0.05 R)
• M11: 11,008,608 km (0.079 R)
• M12: 14,838,463 km (0.117 R)
• M13: 15,619,663 km (0.048 R)
• M14: 16,223,291 km (0.098 R)
• M15: 17,406,161 km (0.044 R)
• M16: 18,348,927 km (0.111 R)
• M17: 19,632,626 km (0.118 R)
• M18: 21,056,349 km (0.099 R)
• M19: 22,294,571 km (0.075 R)
• M20: 24,286,466 km (0.081 R)
• M21: 29,223,196 km (0.11 R)
• M22: 31,499,627 km (0.108 R)
• M23: 32,033,093 km (0.104 R)
• M24: 36,170,072 km (0.113 R)
• M25: 36,755,000 km (0.102 R)
• M26: 37,824,176 km (0.034 R)
• M27: 38,791,625 km (0.06 R)
• M28: 43,088,824 km (0.104 R)
• M29: 44,410,821 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.6

Radius: 9.5

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 10.4 AU - 10.68 AU

Year: 12823 Days

Day: 6.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,997,932 km

• M1: 118,182 km (0.118 R)
• M2: 795,711 km (0.111 R)
• M3: 1,098,348 km (0.079 R)
• M4: 1,416,542 km (0.066 R)
• M5: 2,126,833 km (0.087 R)
• M6: 3,824,320 km (0.114 R)
• M7: 4,266,681 km (0.114 R)
• M8: 8,168,044 km (0.042 R)
• M9: 19,828,300 km (0.063 R)
• M10: 22,872,168 km (0.105 R)
• M11: 30,678,783 km (0.029 R)
• M12: 38,525,192 km (0.064 R)
• M13: 40,831,542 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.1

Radius: 7.7

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 13.06 AU - 18.36 AU

Year: 23334 Days

Day: 21.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,997,932 km

• M1: 95,743 km (0.074 R)
• M2: 419,772 km (0.103 R)
• M3: 675,434 km (0.066 R)
• M4: 1,261,559 km (0.105 R)
• M5: 1,734,288 km (0.091 R)
• M6: 3,879,222 km (0.069 R)
• M7: 4,372,147 km (0.118 R)
• M8: 4,818,996 km (0.064 R)
• M9: 6,103,743 km (0.102 R)
• M10: 6,555,079 km (0.066 R)
• M11: 8,290,864 km (0.079 R)
• M12: 9,978,477 km (0.117 R)
• M13: 10,654,211 km (0.103 R)
• M14: 14,989,108 km (0.079 R)
• M15: 20,372,836 km (0.089 R)
• M16: 30,864,135 km (0.094 R)
• M17: 32,711,818 km (0.032 R)
• M18: 34,959,227 km (0.083 R)
• M19: 36,739,143 km (0.076 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 19,472 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit