🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.66 AU - 0.96 AU

Year: 273 Days

Day: 45.3 Hours

Environment

Temp: 131 °C

Axial Tilt: 97.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 67,252,823 km

• M1: 35,155 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.02 AU - 1.42 AU

Year: 505 Days

Day: 28 Hours

Environment

Temp: 2 °C

Axial Tilt: 7.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.24 AU - 3.86 AU

Year: 2507 Days

Day: 39.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.3

Radius: 11.1

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5 AU - 7.94 AU

Year: 6167 Days

Day: 11.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 138.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,252,823 km

• M1: 138,228 km (0.091 R)
• M2: 498,759 km (0.098 R)
• M3: 1,630,318 km (0.069 R)
• M4: 2,405,983 km (0.101 R)
• M5: 2,847,595 km (0.11 R)
• M6: 4,275,208 km (0.114 R)
• M7: 5,221,115 km (0.062 R)
• M8: 6,028,645 km (0.07 R)
• M9: 7,240,088 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.9

Radius: 14.6

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.07 AU - 9.59 AU

Year: 8211 Days

Day: 15 Hours

Environment

Temp: -168 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,252,823 km

• M1: 181,612 km (0.119 R)
• M2: 967,150 km (0.092 R)
• M3: 1,840,652 km (0.117 R)
• M4: 2,461,334 km (0.087 R)
• M5: 3,176,711 km (0.072 R)
• M6: 3,777,197 km (0.08 R)
• M7: 4,733,875 km (0.108 R)
• M8: 5,650,012 km (0.118 R)
• M9: 6,359,555 km (0.111 R)
• M10: 8,122,716 km (0.106 R)
• M11: 9,482,560 km (0.101 R)
• M12: 10,144,381 km (0.105 R)
• M13: 11,246,768 km (0.081 R)
• M14: 11,720,096 km (0.091 R)
• M15: 12,206,887 km (0.116 R)
• M16: 12,876,786 km (0.059 R)
• M17: 16,400,415 km (0.108 R)
• M18: 17,286,184 km (0.116 R)
• M19: 19,376,963 km (0.045 R)
• M20: 19,905,941 km (0.117 R)
• M21: 20,444,494 km (0.085 R)
• M22: 23,883,300 km (0.112 R)
• M23: 36,715,506 km (0.106 R)
• M24: 38,944,514 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.2

Radius: 8.5

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 9.46 AU - 10.12 AU

Year: 11479 Days

Day: 10.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,252,823 km

• M1: 105,915 km (0.087 R)
• M2: 401,670 km (0.091 R)
• M3: 810,072 km (0.1 R)
• M4: 1,169,855 km (0.12 R)
• M5: 1,606,831 km (0.091 R)
• M6: 2,978,045 km (0.118 R)
• M7: 3,647,346 km (0.077 R)
• M8: 3,952,226 km (0.066 R)
• M9: 4,940,170 km (0.066 R)
• M10: 5,673,798 km (0.077 R)
• M11: 6,049,439 km (0.083 R)
• M12: 6,441,535 km (0.114 R)
• M13: 7,436,211 km (0.045 R)
• M14: 7,762,035 km (0.109 R)
• M15: 8,225,489 km (0.072 R)
• M16: 9,023,594 km (0.063 R)
• M17: 15,384,495 km (0.096 R)
• M18: 16,387,848 km (0.107 R)
• M19: 17,577,151 km (0.078 R)
• M20: 17,937,533 km (0.076 R)
• M21: 18,229,548 km (0.108 R)
• M22: 19,814,388 km (0.052 R)
• M23: 21,901,577 km (0.096 R)
• M24: 27,365,190 km (0.102 R)
• M25: 30,049,425 km (0.108 R)
• M26: 38,417,780 km (0.104 R)
• M27: 40,384,244 km (0.087 R)
• M28: 41,902,364 km (0.082 R)
• M29: 43,853,269 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.6

Radius: 4.7

Gravity: 35.47 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 9.2 AU - 14.76 AU

Year: 15539 Days

Day: 16.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,252,823 km

• M1: 73,752 km (0.097 R)
• M2: 227,538 km (0.099 R)
• M3: 412,441 km (0.086 R)
• M4: 595,998 km (0.108 R)
• M5: 1,120,937 km (0.066 R)
• M6: 1,471,145 km (0.117 R)
• M7: 2,021,815 km (0.091 R)
• M8: 2,429,619 km (0.12 R)
• M9: 2,890,231 km (0.063 R)
• M10: 3,745,482 km (0.098 R)
• M11: 4,522,194 km (0.039 R)
• M12: 4,861,033 km (0.071 R)
• M13: 5,216,627 km (0.118 R)
• M14: 5,400,932 km (0.112 R)
• M15: 5,589,425 km (0.069 R)
• M16: 6,990,409 km (0.107 R)
• M17: 7,443,242 km (0.075 R)
• M18: 8,609,806 km (0.114 R)
• M19: 8,763,742 km (0.068 R)
• M20: 9,236,621 km (0.12 R)
• M21: 9,781,756 km (0.118 R)
• M22: 13,441,967 km (0.119 R)
• M23: 18,511,689 km (0.083 R)
• M24: 20,723,943 km (0.104 R)
• M25: 20,908,098 km (0.103 R)
• M26: 21,941,071 km (0.075 R)
• M27: 25,034,306 km (0.09 R)
• M28: 26,738,974 km (0.057 R)
• M29: 34,980,620 km (0.119 R)
• M30: 35,900,647 km (0.108 R)
• M31: 38,897,391 km (0.104 R)
• M32: 39,601,100 km (0.098 R)
• M33: 42,352,055 km (0.097 R)
• M34: 49,370,439 km (0.049 R)
• M35: 51,028,731 km (0.091 R)
• M36: 54,807,125 km (0.088 R)
• M37: 61,574,783 km (0.102 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: 511 - 18,963 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit