🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.9

Radius: 14.9

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.18 AU - 1.38 AU

Year: 982 Days

Day: 8.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,703,961 km

• M1: 185,352 km (0.082 R)
• M2: 750,832 km (0.089 R)
• M3: 1,302,549 km (0.057 R)
• M4: 1,909,168 km (0.09 R)
• M5: 3,787,668 km (0.1 R)
• M6: 4,582,482 km (0.077 R)
• M7: 5,610,070 km (0.109 R)
• M8: 6,668,624 km (0.07 R)
• M9: 7,471,067 km (0.087 R)
• M10: 8,014,706 km (0.109 R)
• M11: 8,780,647 km (0.036 R)
• M12: 10,748,009 km (0.098 R)
• M13: 11,408,633 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.8

Radius: 13.3

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.39 AU - 1.47 AU

Year: 1160 Days

Day: 6.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,703,961 km

• M1: 165,455 km (0.096 R)
• M2: 605,871 km (0.102 R)
• M3: 1,265,448 km (0.088 R)
• M4: 2,010,296 km (0.069 R)
• M5: 2,494,395 km (0.095 R)
• M6: 3,178,955 km (0.091 R)
• M7: 4,044,378 km (0.096 R)
• M8: 4,842,034 km (0.039 R)
• M9: 6,281,914 km (0.077 R)
• M10: 7,068,948 km (0.065 R)
• M11: 7,531,505 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.8

Radius: 14.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.26 AU - 4.82 AU

Year: 5508 Days

Day: 6.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,703,961 km

• M1: 176,525 km (0.114 R)
• M2: 685,308 km (0.052 R)
• M3: 1,784,104 km (0.098 R)
• M4: 3,885,057 km (0.041 R)
• M5: 6,638,705 km (0.085 R)
• M6: 7,520,435 km (0.114 R)
• M7: 11,304,214 km (0.099 R)
• M8: 13,144,118 km (0.104 R)
• M9: 14,591,926 km (0.1 R)
• M10: 17,151,845 km (0.091 R)
• M11: 17,671,398 km (0.104 R)
• M12: 19,016,582 km (0.1 R)
• M13: 22,599,900 km (0.056 R)
• M14: 23,067,543 km (0.083 R)
• M15: 25,003,190 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.8

Radius: 9.3

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.76 AU - 4.86 AU

Year: 7155 Days

Day: 9.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,703,961 km

• M1: 115,639 km (0.116 R)
• M2: 466,895 km (0.103 R)
• M3: 785,987 km (0.099 R)
• M4: 1,335,610 km (0.087 R)
• M5: 1,732,343 km (0.056 R)
• M6: 2,594,925 km (0.079 R)
• M7: 4,325,024 km (0.055 R)
• M8: 4,907,109 km (0.056 R)
• M9: 5,446,709 km (0.117 R)
• M10: 5,992,292 km (0.082 R)
• M11: 6,433,756 km (0.08 R)
• M12: 8,546,078 km (0.074 R)
• M13: 9,106,022 km (0.074 R)
• M14: 9,921,480 km (0.112 R)
• M15: 10,933,360 km (0.09 R)
• M16: 11,697,357 km (0.09 R)
• M17: 12,826,073 km (0.116 R)
• M18: 14,143,880 km (0.092 R)
• M19: 15,361,308 km (0.115 R)
• M20: 16,779,645 km (0.086 R)
• M21: 18,495,084 km (0.073 R)
• M22: 21,166,304 km (0.064 R)
• M23: 25,114,191 km (0.086 R)
• M24: 26,172,895 km (0.117 R)
• M25: 27,260,921 km (0.115 R)
• M26: 30,507,494 km (0.073 R)
• M27: 31,610,778 km (0.045 R)
• M28: 34,754,577 km (0.044 R)
• M29: 35,736,837 km (0.075 R)
• M30: 36,513,699 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688

Radius: 6.2

Gravity: 17.9 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.58 AU - 8.08 AU

Year: 12107 Days

Day: 22.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,703,961 km

• M1: 77,641 km (0.119 R)
• M2: 283,787 km (0.097 R)
• M3: 512,672 km (0.119 R)
• M4: 958,922 km (0.045 R)
• M5: 1,184,965 km (0.101 R)
• M6: 1,432,699 km (0.111 R)
• M7: 4,286,577 km (0.067 R)
• M8: 5,551,727 km (0.066 R)
• M9: 7,911,334 km (0.101 R)
• M10: 8,939,969 km (0.096 R)
• M11: 11,034,189 km (0.026 R)
• M12: 12,991,378 km (0.11 R)
• M13: 13,370,609 km (0.118 R)
• M14: 13,887,619 km (0.114 R)
• M15: 14,284,053 km (0.105 R)
• M16: 15,518,834 km (0.119 R)
• M17: 16,380,518 km (0.102 R)
• M18: 19,156,606 km (0.117 R)
• M19: 19,980,142 km (0.029 R)
• M20: 23,417,751 km (0.062 R)
• M21: 24,358,872 km (0.055 R)
• M22: 27,643,143 km (0.115 R)
• M23: 34,229,489 km (0.095 R)
• M24: 37,819,538 km (0.064 R)
• M25: 38,982,662 km (0.076 R)
• M26: 40,704,683 km (0.088 R)
• M27: 44,727,669 km (0.074 R)
• M28: 45,447,085 km (0.045 R)
• M29: 48,704,280 km (0.062 R)
• M30: 51,797,365 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.6

Radius: 4.5

Gravity: 14.35 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.83 AU - 8.43 AU

Year: 14295 Days

Day: 22.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,703,961 km

• M1: 57,146 km (0.025 R)
• M2: 821,741 km (0.119 R)
• M3: 994,975 km (0.112 R)
• M4: 1,580,053 km (0.09 R)
• M5: 1,756,728 km (0.099 R)
• M6: 2,132,966 km (0.117 R)
• M7: 2,501,875 km (0.12 R)
• M8: 2,701,738 km (0.115 R)
• M9: 3,634,929 km (0.073 R)
• M10: 4,616,141 km (0.104 R)
• M11: 6,146,977 km (0.062 R)
• M12: 6,775,288 km (0.092 R)
• M13: 7,324,013 km (0.107 R)
• M14: 9,147,910 km (0.115 R)
• M15: 9,671,502 km (0.062 R)
• M16: 10,315,671 km (0.089 R)
• M17: 13,785,145 km (0.067 R)
• M18: 16,671,636 km (0.114 R)
• M19: 21,304,382 km (0.112 R)
• M20: 25,502,099 km (0.105 R)
• M21: 25,874,897 km (0.079 R)
• M22: 32,891,635 km (0.053 R)
• M23: 38,823,789 km (0.091 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: 429 - 10,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit