🌌 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: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.55 AU - 0.57 AU

Year: 178 Days

Day: 18.1 Hours

Environment

Temp: 45 °C

Axial Tilt: 31.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 63,493,834 km

• M1: 16,157 km (0.116 R)
• M2: 145,409 km (0.052 R)

Asteroid Belt

Center: 3.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.9

Radius: 8.5

Gravity: 13.44 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.38 AU - 5.6 AU

Year: 5462 Days

Day: 9.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 63,493,834 km

• M1: 106,962 km (0.115 R)
• M2: 329,564 km (0.104 R)
• M3: 508,782 km (0.065 R)
• M4: 1,070,522 km (0.118 R)
• M5: 1,400,685 km (0.053 R)
• M6: 1,687,614 km (0.096 R)
• M7: 2,103,496 km (0.044 R)
• M8: 2,978,494 km (0.059 R)
• M9: 3,291,153 km (0.074 R)
• M10: 3,508,519 km (0.113 R)
• M11: 4,325,922 km (0.112 R)
• M12: 4,806,280 km (0.108 R)
• M13: 4,989,837 km (0.106 R)
• M14: 5,422,624 km (0.111 R)
• M15: 5,674,098 km (0.074 R)
• M16: 6,313,329 km (0.079 R)
• M17: 6,584,849 km (0.069 R)
• M18: 6,955,852 km (0.116 R)
• M19: 7,273,000 km (0.111 R)
• M20: 8,301,635 km (0.081 R)
• M21: 8,508,678 km (0.097 R)
• M22: 9,656,543 km (0.12 R)
• M23: 10,372,817 km (0.066 R)
• M24: 10,877,860 km (0.109 R)
• M25: 11,075,329 km (0.099 R)
• M26: 11,274,593 km (0.118 R)
• M27: 11,965,436 km (0.095 R)
• M28: 12,131,041 km (0.096 R)
• M29: 13,584,833 km (0.12 R)
• M30: 13,761,209 km (0.097 R)
• M31: 15,121,502 km (0.079 R)
• M32: 16,692,280 km (0.106 R)
• M33: 17,282,892 km (0.103 R)
• M34: 17,482,007 km (0.116 R)
• M35: 18,597,858 km (0.072 R)
• M36: 21,929,402 km (0.078 R)
• M37: 22,379,393 km (0.065 R)
• M38: 22,606,033 km (0.114 R)
• M39: 25,115,538 km (0.113 R)
• M40: 26,573,967 km (0.103 R)
• M41: 28,010,257 km (0.103 R)
• M42: 30,006,341 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.9

Radius: 13.8

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.31 AU - 5.85 AU

Year: 5597 Days

Day: 11.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,493,834 km

• M1: 582,684 km (0.1 R)
• M2: 905,666 km (0.09 R)
• M3: 1,550,732 km (0.084 R)
• M4: 1,893,311 km (0.111 R)
• M5: 2,222,127 km (0.097 R)
• M6: 2,505,914 km (0.034 R)
• M7: 3,359,519 km (0.066 R)
• M8: 4,057,244 km (0.088 R)
• M9: 4,594,300 km (0.047 R)
• M10: 6,001,867 km (0.082 R)
• M11: 6,871,030 km (0.098 R)
• M12: 7,505,774 km (0.101 R)
• M13: 7,800,781 km (0.105 R)
• M14: 8,339,483 km (0.04 R)
• M15: 9,074,457 km (0.107 R)
• M16: 10,991,404 km (0.038 R)
• M17: 12,247,727 km (0.1 R)
• M18: 12,583,126 km (0.11 R)
• M19: 13,749,241 km (0.113 R)
• M20: 18,421,183 km (0.094 R)
• M21: 19,301,716 km (0.092 R)
• M22: 20,580,329 km (0.088 R)
• M23: 22,292,925 km (0.11 R)
• M24: 24,368,446 km (0.096 R)
• M25: 28,415,218 km (0.104 R)
• M26: 28,734,460 km (0.118 R)
• M27: 30,489,841 km (0.111 R)
• M28: 31,219,879 km (0.03 R)
• M29: 32,026,361 km (0.099 R)
• M30: 32,911,681 km (0.101 R)
• M31: 33,186,492 km (0.1 R)
• M32: 34,507,591 km (0.049 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.7

Radius: 6

Gravity: 22.71 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.88 AU - 10.64 AU

Year: 13954 Days

Day: 23.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,493,834 km

• M1: 87,066 km (0.091 R)
• M2: 318,344 km (0.115 R)
• M3: 511,475 km (0.075 R)
• M4: 855,999 km (0.087 R)
• M5: 972,685 km (0.085 R)
• M6: 2,316,074 km (0.077 R)
• M7: 2,739,735 km (0.108 R)
• M8: 3,636,874 km (0.107 R)
• M9: 4,198,464 km (0.109 R)
• M10: 5,482,014 km (0.091 R)
• M11: 5,631,163 km (0.117 R)
• M12: 6,012,937 km (0.025 R)
• M13: 6,691,064 km (0.111 R)
• M14: 8,756,711 km (0.097 R)
• M15: 9,232,283 km (0.032 R)
• M16: 9,377,543 km (0.11 R)
• M17: 9,671,203 km (0.058 R)
• M18: 9,819,903 km (0.058 R)
• M19: 10,528,399 km (0.079 R)
• M20: 18,023,851 km (0.112 R)
• M21: 18,567,639 km (0.111 R)
• M22: 19,679,749 km (0.08 R)
• M23: 19,962,938 km (0.097 R)
• M24: 21,188,743 km (0.075 R)
• M25: 25,165,803 km (0.037 R)
• M26: 25,566,426 km (0.101 R)
• M27: 25,888,959 km (0.074 R)
• M28: 30,356,101 km (0.06 R)
• M29: 35,747,907 km (0.093 R)
• M30: 39,254,780 km (0.086 R)
• M31: 43,134,751 km (0.068 R)
• M32: 44,398,105 km (0.059 R)
• M33: 45,464,738 km (0.048 R)
• M34: 53,286,911 km (0.094 R)
• M35: 61,231,306 km (0.1 R)
• M36: 62,106,304 km (0.071 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 18,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit