🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.83 AU - 0.83 AU

Year: 337 Days

Day: 39.8 Hours

Environment

Temp: -51 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.84 AU - 0.88 AU

Year: 356 Days

Day: 45.9 Hours

Environment

Temp: -42 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,988,465 km

• M1: 64,327 km (0.114 R)
• M2: 581,786 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.07 AU - 2.23 AU

Year: 1407 Days

Day: 27 Hours

Environment

Temp: -130 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.1

Radius: 9.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.9 AU - 4.08 AU

Year: 3556 Days

Day: 9 Hours

Environment

Temp: -170 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,988,465 km

• M1: 119,379 km (0.116 R)
• M2: 431,291 km (0.115 R)
• M3: 752,776 km (0.11 R)
• M4: 1,119,890 km (0.119 R)
• M5: 1,576,612 km (0.117 R)
• M6: 2,030,941 km (0.08 R)
• M7: 2,472,554 km (0.107 R)
• M8: 2,852,532 km (0.11 R)
• M9: 4,802,690 km (0.079 R)
• M10: 5,279,758 km (0.059 R)
• M11: 5,888,621 km (0.04 R)
• M12: 6,846,945 km (0.07 R)
• M13: 7,601,217 km (0.114 R)
• M14: 9,907,867 km (0.062 R)
• M15: 10,382,541 km (0.116 R)
• M16: 11,026,261 km (0.029 R)
• M17: 11,576,033 km (0.066 R)
• M18: 12,901,470 km (0.043 R)
• M19: 13,869,667 km (0.068 R)
• M20: 14,417,794 km (0.08 R)
• M21: 14,744,217 km (0.067 R)
• M22: 15,315,082 km (0.085 R)
• M23: 17,535,563 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.5

Radius: 12.9

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.21 AU - 5.29 AU

Year: 3910 Days

Day: 12 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,988,465 km

• M1: 167,550 km (0.117 R)
• M2: 1,445,115 km (0.076 R)
• M3: 1,865,336 km (0.063 R)
• M4: 2,338,963 km (0.102 R)
• M5: 3,417,863 km (0.088 R)
• M6: 6,688,820 km (0.106 R)
• M7: 7,513,254 km (0.096 R)
• M8: 9,596,255 km (0.119 R)
• M9: 11,948,980 km (0.091 R)
• M10: 13,307,927 km (0.111 R)
• M11: 16,220,000 km (0.094 R)
• M12: 17,182,213 km (0.11 R)
• M13: 17,706,703 km (0.102 R)
• M14: 18,241,964 km (0.099 R)
• M15: 22,572,823 km (0.063 R)
• M16: 23,132,020 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.1

Radius: 4.6

Gravity: 18.91 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 14.98 AU - 16.36 AU

Year: 27679 Days

Day: 18.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,988,465 km

• M1: 63,429 km (0.089 R)
• M2: 207,642 km (0.068 R)
• M3: 392,844 km (0.042 R)
• M4: 777,759 km (0.115 R)
• M5: 944,411 km (0.069 R)
• M6: 1,094,757 km (0.098 R)
• M7: 1,397,095 km (0.079 R)
• M8: 2,296,627 km (0.067 R)
• M9: 2,766,813 km (0.11 R)
• M10: 3,187,033 km (0.066 R)
• M11: 3,355,181 km (0.088 R)
• M12: 3,648,542 km (0.114 R)
• M13: 5,537,066 km (0.086 R)
• M14: 7,640,262 km (0.105 R)
• M15: 8,199,908 km (0.116 R)
• M16: 9,805,692 km (0.116 R)
• M17: 15,697,903 km (0.054 R)
• M18: 17,106,367 km (0.085 R)
• M19: 17,536,162 km (0.081 R)
• M20: 17,709,994 km (0.108 R)
• M21: 21,534,165 km (0.093 R)
• M22: 21,833,959 km (0.08 R)
• M23: 23,060,512 km (0.102 R)
• M24: 24,332,243 km (0.113 R)
• M25: 24,548,711 km (0.111 R)
• M26: 26,554,669 km (0.078 R)
• M27: 28,667,141 km (0.059 R)
• M28: 28,908,592 km (0.09 R)
• M29: 29,395,533 km (0.107 R)
• M30: 32,302,070 km (0.107 R)
• M31: 35,118,100 km (0.082 R)
• M32: 36,798,533 km (0.099 R)
• M33: 38,678,529 km (0.076 R)
• M34: 42,628,960 km (0.044 R)
• M35: 45,680,159 km (0.074 R)
• M36: 52,213,098 km (0.115 R)
• M37: 55,513,975 km (0.112 R)
• M38: 64,162,527 km (0.064 R)
• M39: 67,304,381 km (0.079 R)
• M40: 73,440,736 km (0.097 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 11,917 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit