🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.4

Radius: 11

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.17 AU - 1.65 AU

Year: 1156 Days

Day: 9.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,231,271 km

• M1: 136,732 km (0.108 R)
• M2: 554,410 km (0.112 R)
• M3: 1,063,940 km (0.111 R)
• M4: 1,492,388 km (0.087 R)
• M5: 1,876,406 km (0.117 R)
• M6: 2,326,845 km (0.085 R)
• M7: 3,187,631 km (0.088 R)
• M8: 3,691,926 km (0.107 R)
• M9: 4,214,621 km (0.118 R)
• M10: 6,217,437 km (0.112 R)
• M11: 7,604,658 km (0.072 R)
• M12: 8,563,730 km (0.11 R)
• M13: 9,661,629 km (0.081 R)
• M14: 10,182,229 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.6

Radius: 12.2

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.39 AU - 2.03 AU

Year: 1543 Days

Day: 5.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,231,271 km

• M1: 197,320 km (0.081 R)
• M2: 732,431 km (0.119 R)
• M3: 1,260,063 km (0.1 R)
• M4: 1,791,584 km (0.109 R)
• M5: 2,751,105 km (0.057 R)
• M6: 3,675,620 km (0.115 R)
• M7: 4,247,981 km (0.082 R)
• M8: 4,655,336 km (0.094 R)
• M9: 5,686,065 km (0.115 R)
• M10: 6,182,431 km (0.064 R)
• M11: 6,630,926 km (0.081 R)
• M12: 9,144,768 km (0.053 R)
• M13: 9,961,872 km (0.12 R)
• M14: 11,517,540 km (0.025 R)
• M15: 13,026,833 km (0.105 R)
• M16: 13,516,616 km (0.119 R)
• M17: 14,751,547 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.1

Radius: 12.2

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.83 AU - 4.15 AU

Year: 5501 Days

Day: 6.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,231,271 km

• M1: 151,842 km (0.103 R)
• M2: 551,867 km (0.084 R)
• M3: 1,044,193 km (0.072 R)
• M4: 2,202,679 km (0.029 R)
• M5: 3,172,672 km (0.116 R)
• M6: 3,937,416 km (0.111 R)
• M7: 7,772,956 km (0.12 R)
• M8: 8,482,798 km (0.041 R)
• M9: 9,309,326 km (0.089 R)
• M10: 10,149,468 km (0.089 R)
• M11: 10,547,697 km (0.094 R)
• M12: 11,039,425 km (0.076 R)
• M13: 11,980,695 km (0.086 R)
• M14: 12,516,255 km (0.049 R)
• M15: 13,779,909 km (0.101 R)
• M16: 15,075,426 km (0.055 R)
• M17: 16,614,340 km (0.086 R)
• M18: 18,197,384 km (0.087 R)
• M19: 18,905,730 km (0.061 R)
• M20: 19,571,141 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.3

Radius: 6.8

Gravity: 20.16 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.52 AU - 5.86 AU

Year: 9369 Days

Day: 17.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,231,271 km

• M1: 84,672 km (0.053 R)
• M2: 568,322 km (0.116 R)
• M3: 906,862 km (0.031 R)
• M4: 1,388,119 km (0.098 R)
• M5: 2,151,517 km (0.097 R)
• M6: 2,614,971 km (0.069 R)
• M7: 3,873,388 km (0.106 R)
• M8: 5,526,295 km (0.059 R)
• M9: 6,058,265 km (0.083 R)
• M10: 8,168,941 km (0.086 R)
• M11: 8,532,315 km (0.099 R)
• M12: 8,906,309 km (0.101 R)
• M13: 11,723,387 km (0.042 R)
• M14: 13,270,528 km (0.111 R)
• M15: 14,222,718 km (0.114 R)
• M16: 17,277,507 km (0.099 R)
• M17: 18,180,928 km (0.118 R)
• M18: 21,936,733 km (0.076 R)
• M19: 23,265,162 km (0.113 R)
• M20: 31,266,853 km (0.067 R)
• M21: 33,520,245 km (0.057 R)
• M22: 35,399,045 km (0.097 R)
• M23: 36,364,400 km (0.044 R)
• M24: 37,471,125 km (0.088 R)
• M25: 38,854,157 km (0.118 R)
• M26: 41,455,216 km (0.097 R)
• M27: 46,569,219 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.4

Radius: 4

Gravity: 20.15 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.17 AU - 6.33 AU

Year: 9517 Days

Day: 23.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,231,271 km

• M1: 49,816 km (0.05 R)
• M2: 281,543 km (0.064 R)
• M3: 422,913 km (0.052 R)
• M4: 560,244 km (0.047 R)
• M5: 823,686 km (0.119 R)
• M6: 1,647,970 km (0.09 R)
• M7: 2,026,602 km (0.102 R)
• M8: 2,407,628 km (0.047 R)
• M9: 3,015,145 km (0.108 R)
• M10: 4,689,444 km (0.11 R)
• M11: 5,566,387 km (0.114 R)
• M12: 5,978,380 km (0.073 R)
• M13: 7,225,128 km (0.067 R)
• M14: 8,106,858 km (0.099 R)
• M15: 10,127,028 km (0.119 R)
• M16: 10,836,421 km (0.066 R)
• M17: 13,665,017 km (0.095 R)
• M18: 13,892,257 km (0.102 R)
• M19: 15,308,949 km (0.082 R)
• M20: 17,343,779 km (0.099 R)
• M21: 19,768,162 km (0.062 R)
• M22: 26,224,956 km (0.04 R)
• M23: 33,031,060 km (0.059 R)
• M24: 35,537,573 km (0.038 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.2

Radius: 6.4

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 8.49 AU - 12.07 AU

Year: 22751 Days

Day: 16.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,231,271 km

• M1: 80,035 km (0.109 R)
• M2: 325,675 km (0.105 R)
• M3: 587,022 km (0.077 R)
• M4: 1,615,358 km (0.073 R)
• M5: 2,048,892 km (0.075 R)
• M6: 2,366,638 km (0.113 R)
• M7: 4,112,296 km (0.066 R)
• M8: 6,175,400 km (0.091 R)
• M9: 9,686,761 km (0.095 R)
• M10: 12,083,020 km (0.119 R)
• M11: 13,781,554 km (0.104 R)
• M12: 16,103,762 km (0.103 R)
• M13: 16,583,672 km (0.113 R)
• M14: 19,051,887 km (0.083 R)
• M15: 19,434,409 km (0.111 R)
• M16: 22,256,722 km (0.107 R)
• M17: 22,766,552 km (0.114 R)
• M18: 27,613,074 km (0.071 R)
• M19: 28,201,742 km (0.031 R)
• M20: 29,914,787 km (0.079 R)
• M21: 31,803,011 km (0.068 R)
• M22: 42,706,153 km (0.075 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: 390 - 19,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit