🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.28 AU - 1.76 AU

Year: 710 Days

Day: 40.3 Hours

Environment

Temp: -41 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,453,765 km

• M1: 1,144,573 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.35 AU - 3.77 AU

Year: 2544 Days

Day: 20.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,453,765 km

• M1: 2,201,033 km (0.12 R)

Asteroid Belt

Center: 4.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.3

Radius: 10.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.14 AU - 5.72 AU

Year: 4792 Days

Day: 6.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,453,765 km

• M1: 127,308 km (0.078 R)
• M2: 666,159 km (0.094 R)
• M3: 1,174,044 km (0.106 R)
• M4: 1,812,528 km (0.105 R)
• M5: 2,507,111 km (0.116 R)
• M6: 3,405,745 km (0.12 R)
• M7: 4,420,467 km (0.082 R)
• M8: 6,142,937 km (0.059 R)
• M9: 6,863,102 km (0.093 R)
• M10: 9,942,723 km (0.098 R)
• M11: 10,279,019 km (0.097 R)
• M12: 11,293,442 km (0.11 R)
• M13: 12,416,324 km (0.076 R)
• M14: 13,339,792 km (0.111 R)
• M15: 17,173,836 km (0.092 R)
• M16: 17,658,832 km (0.091 R)
• M17: 17,987,199 km (0.094 R)
• M18: 19,168,723 km (0.088 R)
• M19: 19,515,641 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.9

Radius: 14.4

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.42 AU - 7.1 AU

Year: 5236 Days

Day: 14.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 91,453,765 km

• M1: 179,368 km (0.116 R)
• M2: 754,272 km (0.032 R)
• M3: 1,238,970 km (0.043 R)
• M4: 1,808,189 km (0.103 R)
• M5: 2,283,163 km (0.036 R)
• M6: 3,898,521 km (0.108 R)
• M7: 4,530,123 km (0.058 R)
• M8: 7,452,218 km (0.105 R)
• M9: 8,354,443 km (0.072 R)
• M10: 9,409,257 km (0.036 R)
• M11: 10,683,682 km (0.072 R)
• M12: 11,408,932 km (0.057 R)
• M13: 12,607,809 km (0.076 R)
• M14: 13,161,172 km (0.093 R)
• M15: 15,711,068 km (0.045 R)
• M16: 18,064,392 km (0.09 R)
• M17: 18,963,774 km (0.076 R)
• M18: 19,825,607 km (0.087 R)
• M19: 20,852,148 km (0.092 R)
• M20: 21,770,380 km (0.109 R)
• M21: 22,641,638 km (0.114 R)
• M22: 24,921,659 km (0.087 R)
• M23: 25,634,642 km (0.077 R)
• M24: 28,451,421 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.9

Radius: 3.4

Gravity: 18.07 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 12.74 AU - 16.08 AU

Year: 20718 Days

Day: 17.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 91,453,765 km

• M1: 43,683 km (0.079 R)
• M2: 162,762 km (0.052 R)
• M3: 277,654 km (0.11 R)
• M4: 577,597 km (0.034 R)
• M5: 900,878 km (0.096 R)
• M6: 1,485,357 km (0.038 R)
• M7: 1,759,121 km (0.066 R)
• M8: 2,193,703 km (0.097 R)
• M9: 2,653,268 km (0.118 R)
• M10: 3,706,287 km (0.111 R)
• M11: 4,880,481 km (0.101 R)
• M12: 6,243,916 km (0.112 R)
• M13: 8,292,060 km (0.055 R)
• M14: 8,902,420 km (0.099 R)
• M15: 9,144,918 km (0.094 R)
• M16: 10,106,683 km (0.094 R)
• M17: 10,747,859 km (0.078 R)
• M18: 11,022,820 km (0.117 R)
• M19: 13,205,154 km (0.092 R)
• M20: 14,765,011 km (0.104 R)
• M21: 15,104,747 km (0.06 R)
• M22: 20,339,925 km (0.067 R)
• M23: 22,500,567 km (0.113 R)
• M24: 26,267,741 km (0.116 R)
• M25: 29,675,430 km (0.095 R)
• M26: 31,317,417 km (0.102 R)
• M27: 31,990,757 km (0.053 R)
• M28: 32,559,229 km (0.105 R)
• M29: 35,020,413 km (0.064 R)
• M30: 35,745,663 km (0.072 R)
• M31: 36,357,818 km (0.1 R)
• M32: 38,747,344 km (0.048 R)
• M33: 42,729,939 km (0.053 R)
• M34: 46,395,087 km (0.108 R)
• M35: 46,540,047 km (0.053 R)
• M36: 47,710,950 km (0.111 R)
• M37: 48,006,854 km (0.087 R)
• M38: 51,341,391 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.6

Radius: 6

Gravity: 25.57 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 12.57 AU - 18.09 AU

Year: 22733 Days

Day: 15.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 91,453,765 km

• M1: 74,649 km (0.054 R)
• M2: 289,621 km (0.113 R)
• M3: 643,869 km (0.116 R)
• M4: 1,485,357 km (0.114 R)
• M5: 1,699,282 km (0.113 R)
• M6: 3,666,195 km (0.111 R)
• M7: 3,925,747 km (0.112 R)
• M8: 4,197,417 km (0.103 R)
• M9: 4,591,607 km (0.12 R)
• M10: 9,027,184 km (0.03 R)
• M11: 11,157,757 km (0.119 R)
• M12: 13,146,960 km (0.037 R)
• M13: 18,557,167 km (0.12 R)
• M14: 19,323,108 km (0.065 R)
• M15: 27,068,837 km (0.086 R)
• M16: 27,435,202 km (0.081 R)
• M17: 27,928,875 km (0.117 R)
• M18: 28,177,956 km (0.066 R)
• M19: 28,554,344 km (0.105 R)
• M20: 29,317,144 km (0.114 R)
• M21: 34,466,751 km (0.082 R)
• M22: 35,041,506 km (0.12 R)
• M23: 38,011,622 km (0.094 R)
• M24: 39,872,021 km (0.089 R)
• M25: 41,306,515 km (0.098 R)
• M26: 45,643,358 km (0.108 R)
• M27: 46,685,456 km (0.107 R)
• M28: 49,907,196 km (0.069 R)
• M29: 56,391,067 km (0.058 R)
• M30: 58,399,867 km (0.093 R)
• M31: 66,689,983 km (0.086 R)
• M32: 70,076,579 km (0.076 R)
• M33: 77,435,299 km (0.088 R)
• M34: 80,165,460 km (0.049 R)
• M35: 80,416,784 km (0.098 R)
• M36: 85,554,424 km (0.072 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 12,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit