🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.02 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.9 AU - 2.16 AU

Year: 1062 Days

Day: 19.4 Hours

Environment

Temp: -65 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.23 AU - 3.41 AU

Year: 2221 Days

Day: 29.2 Hours

Environment

Temp: -102 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.51 AU - 4.35 AU

Year: 2860 Days

Day: 40.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100

Radius: 11.7

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.98 AU - 6.72 AU

Year: 5874 Days

Day: 9.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,626,882 km

• M1: 145,559 km (0.095 R)
• M2: 614,847 km (0.059 R)
• M3: 1,006,195 km (0.094 R)
• M4: 1,661,584 km (0.106 R)
• M5: 3,066,457 km (0.083 R)
• M6: 3,588,703 km (0.095 R)
• M7: 4,169,891 km (0.072 R)
• M8: 5,813,224 km (0.094 R)
• M9: 6,271,292 km (0.11 R)
• M10: 8,573,604 km (0.107 R)
• M11: 9,896,647 km (0.105 R)
• M12: 10,403,485 km (0.066 R)
• M13: 10,889,528 km (0.119 R)
• M14: 11,273,546 km (0.087 R)
• M15: 13,419,378 km (0.089 R)
• M16: 17,284,089 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.2

Radius: 12.6

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 6.32 AU - 7.4 AU

Year: 6596 Days

Day: 8.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,626,882 km

• M1: 164,408 km (0.119 R)
• M2: 761,304 km (0.115 R)
• M3: 1,607,280 km (0.043 R)
• M4: 2,100,205 km (0.1 R)
• M5: 3,308,357 km (0.103 R)
• M6: 4,820,343 km (0.053 R)
• M7: 5,261,806 km (0.117 R)
• M8: 5,698,332 km (0.106 R)
• M9: 8,092,796 km (0.116 R)
• M10: 10,306,545 km (0.103 R)
• M11: 10,843,153 km (0.057 R)
• M12: 12,402,262 km (0.086 R)
• M13: 13,811,623 km (0.086 R)
• M14: 16,547,619 km (0.089 R)
• M15: 19,775,193 km (0.109 R)
• M16: 22,253,880 km (0.042 R)
• M17: 23,317,521 km (0.114 R)
• M18: 24,759,495 km (0.074 R)
• M19: 29,150,791 km (0.086 R)
• M20: 30,028,481 km (0.115 R)
• M21: 31,938,846 km (0.038 R)
• M22: 32,662,750 km (0.106 R)
• M23: 34,466,302 km (0.064 R)
• M24: 35,118,399 km (0.04 R)
• M25: 35,778,724 km (0.089 R)
• M26: 36,671,973 km (0.038 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.7

Radius: 3.8

Gravity: 25.74 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 11.66 AU - 13.64 AU

Year: 16516 Days

Day: 21.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 54,626,882 km

• M1: 48,919 km (0.117 R)
• M2: 213,626 km (0.066 R)
• M3: 365,617 km (0.116 R)
• M4: 628,461 km (0.095 R)
• M5: 941,719 km (0.095 R)
• M6: 1,535,622 km (0.057 R)
• M7: 2,468,514 km (0.096 R)
• M8: 2,657,905 km (0.034 R)
• M9: 3,436,562 km (0.105 R)
• M10: 4,148,947 km (0.118 R)
• M11: 4,508,880 km (0.032 R)
• M12: 4,664,910 km (0.106 R)
• M13: 5,464,511 km (0.109 R)
• M14: 6,312,581 km (0.086 R)
• M15: 6,993,252 km (0.032 R)
• M16: 7,372,781 km (0.048 R)
• M17: 7,502,333 km (0.057 R)
• M18: 8,035,650 km (0.041 R)
• M19: 8,311,658 km (0.043 R)
• M20: 8,499,104 km (0.103 R)
• M21: 9,479,119 km (0.095 R)
• M22: 10,101,895 km (0.044 R)
• M23: 11,030,300 km (0.077 R)
• M24: 11,954,815 km (0.04 R)
• M25: 12,742,896 km (0.117 R)
• M26: 12,929,594 km (0.05 R)
• M27: 15,810,101 km (0.09 R)
• M28: 19,335,375 km (0.083 R)
• M29: 19,581,912 km (0.114 R)
• M30: 20,419,062 km (0.083 R)
• M31: 21,367,064 km (0.108 R)
• M32: 23,630,031 km (0.063 R)
• M33: 25,749,384 km (0.065 R)
• M34: 29,053,103 km (0.086 R)
• M35: 32,512,554 km (0.036 R)
• M36: 34,641,930 km (0.099 R)
• M37: 36,486,173 km (0.054 R)
• M38: 39,968,512 km (0.1 R)
• M39: 42,825,532 km (0.099 R)
• M40: 47,585,287 km (0.073 R)
• M41: 53,327,452 km (0.08 R)
• M42: 53,488,719 km (0.118 R)
• M43: 54,137,076 km (0.079 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 17,105 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit