🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.5 AU - 0.6 AU

Year: 147 Days

Day: 28.9 Hours

Environment

Temp: 247 °C

Axial Tilt: 3.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,968,311 km

• M1: 44,431 km (0.05 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.5 AU - 0.82 AU

Year: 193 Days

Day: 24.5 Hours

Environment

Temp: 167 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.5 AU - 4.06 AU

Year: 2645 Days

Day: 19 Hours

Environment

Temp: -110 °C

Axial Tilt: 48.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.23 AU - 4.59 AU

Year: 3333 Days

Day: 34.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.4

Radius: 10.7

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.08 AU - 10.16 AU

Year: 9912 Days

Day: 11.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,968,311 km

• M1: 133,740 km (0.102 R)
• M2: 670,498 km (0.116 R)
• M3: 1,065,735 km (0.06 R)
• M4: 1,563,896 km (0.07 R)
• M5: 1,978,881 km (0.066 R)
• M6: 2,467,318 km (0.054 R)
• M7: 3,035,042 km (0.065 R)
• M8: 5,370,264 km (0.074 R)
• M9: 5,869,173 km (0.118 R)
• M10: 7,193,862 km (0.06 R)
• M11: 11,044,512 km (0.062 R)
• M12: 12,816,648 km (0.118 R)
• M13: 16,986,838 km (0.085 R)
• M14: 26,153,448 km (0.106 R)
• M15: 27,393,764 km (0.106 R)
• M16: 29,888,607 km (0.118 R)
• M17: 32,968,229 km (0.111 R)
• M18: 34,189,696 km (0.085 R)
• M19: 41,644,457 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.1

Radius: 3.2

Gravity: 75.5 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 13.5 AU - 14.02 AU

Year: 18370 Days

Day: 15.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 53,968,311 km

• M1: 39,793 km (0.097 R)
• M2: 196,721 km (0.09 R)
• M3: 334,950 km (0.06 R)
• M4: 656,435 km (0.065 R)
• M5: 961,914 km (0.025 R)
• M6: 2,039,617 km (0.037 R)
• M7: 2,468,365 km (0.11 R)
• M8: 2,752,900 km (0.118 R)
• M9: 2,928,678 km (0.069 R)
• M10: 3,302,822 km (0.052 R)
• M11: 3,559,532 km (0.077 R)
• M12: 3,922,307 km (0.089 R)
• M13: 5,662,130 km (0.091 R)
• M14: 6,071,430 km (0.118 R)
• M15: 6,240,475 km (0.103 R)
• M16: 7,040,674 km (0.056 R)
• M17: 8,210,679 km (0.075 R)
• M18: 8,417,423 km (0.111 R)
• M19: 10,989,759 km (0.079 R)
• M20: 12,084,067 km (0.116 R)
• M21: 13,605,178 km (0.097 R)
• M22: 16,607,009 km (0.117 R)
• M23: 18,392,759 km (0.091 R)
• M24: 22,340,198 km (0.078 R)
• M25: 23,563,759 km (0.077 R)
• M26: 28,197,403 km (0.119 R)
• M27: 29,988,988 km (0.04 R)
• M28: 35,406,674 km (0.111 R)
• M29: 35,679,691 km (0.056 R)
• M30: 36,646,691 km (0.101 R)
• M31: 39,213,043 km (0.08 R)
• M32: 40,390,976 km (0.112 R)
• M33: 54,761,348 km (0.107 R)
• M34: 59,443,911 km (0.079 R)
• M35: 65,611,981 km (0.099 R)
• M36: 67,061,434 km (0.107 R)
• M37: 71,537,552 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.3

Radius: 6.2

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 16.51 AU - 19.41 AU

Year: 27392 Days

Day: 22.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,968,311 km

• M1: 77,342 km (0.115 R)
• M2: 605,273 km (0.039 R)
• M3: 850,314 km (0.093 R)
• M4: 1,405,173 km (0.096 R)
• M5: 1,745,508 km (0.119 R)
• M6: 2,309,342 km (0.113 R)
• M7: 3,152,476 km (0.076 R)
• M8: 3,552,052 km (0.087 R)
• M9: 5,495,627 km (0.102 R)
• M10: 6,111,821 km (0.108 R)
• M11: 6,495,240 km (0.082 R)
• M12: 14,006,699 km (0.117 R)
• M13: 20,955,670 km (0.055 R)
• M14: 21,475,373 km (0.119 R)
• M15: 22,181,774 km (0.03 R)
• M16: 32,132,875 km (0.081 R)
• M17: 36,552,594 km (0.061 R)
• M18: 38,842,339 km (0.096 R)
• M19: 49,567,010 km (0.103 R)

Kuiper Belt

Range: 30.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 10,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit