🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.5

Radius: 10.8

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.03 AU - 1.49 AU

Year: 928 Days

Day: 12 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,573,224 km

• M1: 136,433 km (0.039 R)
• M2: 605,722 km (0.085 R)
• M3: 1,350,869 km (0.077 R)
• M4: 1,840,951 km (0.103 R)
• M5: 2,579,815 km (0.073 R)
• M6: 3,317,034 km (0.116 R)
• M7: 3,755,804 km (0.119 R)
• M8: 4,501,998 km (0.088 R)
• M9: 6,365,090 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.6

Radius: 11.8

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2 AU - 2.42 AU

Year: 2155 Days

Day: 11.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,573,224 km

• M1: 147,354 km (0.058 R)
• M2: 767,886 km (0.106 R)
• M3: 1,322,595 km (0.103 R)
• M4: 1,778,868 km (0.084 R)
• M5: 2,186,223 km (0.094 R)
• M6: 2,670,621 km (0.084 R)
• M7: 3,275,894 km (0.106 R)
• M8: 3,656,621 km (0.051 R)
• M9: 4,028,371 km (0.118 R)
• M10: 4,405,059 km (0.101 R)
• M11: 4,805,233 km (0.115 R)
• M12: 5,926,469 km (0.069 R)
• M13: 6,959,891 km (0.083 R)
• M14: 8,202,900 km (0.056 R)
• M15: 10,896,111 km (0.076 R)
• M16: 11,871,489 km (0.118 R)
• M17: 12,360,075 km (0.107 R)
• M18: 13,817,308 km (0.081 R)
• M19: 15,771,954 km (0.086 R)
• M20: 16,164,200 km (0.095 R)
• M21: 16,866,262 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225

Radius: 12.2

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.84 AU - 2.88 AU

Year: 2378 Days

Day: 14.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,573,224 km

• M1: 151,692 km (0.084 R)
• M2: 540,048 km (0.059 R)
• M3: 954,584 km (0.104 R)
• M4: 1,388,717 km (0.108 R)
• M5: 2,227,363 km (0.11 R)
• M6: 2,971,014 km (0.064 R)
• M7: 3,455,412 km (0.109 R)
• M8: 4,622,275 km (0.12 R)
• M9: 5,173,244 km (0.076 R)
• M10: 6,793,389 km (0.109 R)
• M11: 8,242,095 km (0.104 R)
• M12: 9,542,100 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.1

Radius: 11.3

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.92 AU - 3.06 AU

Year: 3392 Days

Day: 11.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,573,224 km

• M1: 140,472 km (0.099 R)
• M2: 561,740 km (0.099 R)
• M3: 968,945 km (0.06 R)
• M4: 1,952,701 km (0.104 R)
• M5: 2,326,995 km (0.114 R)
• M6: 4,246,186 km (0.069 R)
• M7: 5,236,524 km (0.079 R)
• M8: 6,706,173 km (0.11 R)
• M9: 7,339,122 km (0.075 R)
• M10: 8,080,828 km (0.094 R)
• M11: 9,058,749 km (0.114 R)
• M12: 9,792,976 km (0.113 R)
• M13: 10,734,395 km (0.117 R)
• M14: 11,824,964 km (0.117 R)
• M15: 12,420,662 km (0.093 R)
• M16: 12,940,066 km (0.068 R)
• M17: 15,758,191 km (0.106 R)
• M18: 18,962,129 km (0.045 R)
• M19: 19,524,916 km (0.101 R)
• M20: 21,347,018 km (0.045 R)
• M21: 24,953,074 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.8

Radius: 13.5

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.65 AU - 4.45 AU

Year: 5347 Days

Day: 8.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,573,224 km

• M1: 167,849 km (0.118 R)
• M2: 619,784 km (0.109 R)
• M3: 1,809,536 km (0.063 R)
• M4: 2,633,222 km (0.098 R)
• M5: 3,152,027 km (0.103 R)
• M6: 3,716,759 km (0.106 R)
• M7: 5,051,172 km (0.117 R)
• M8: 5,473,487 km (0.104 R)
• M9: 6,987,417 km (0.112 R)
• M10: 7,804,970 km (0.057 R)
• M11: 9,088,220 km (0.101 R)
• M12: 9,802,101 km (0.099 R)
• M13: 10,283,806 km (0.086 R)
• M14: 11,922,502 km (0.09 R)
• M15: 16,618,229 km (0.083 R)
• M16: 19,408,529 km (0.087 R)
• M17: 22,197,482 km (0.107 R)
• M18: 23,883,450 km (0.069 R)
• M19: 26,150,905 km (0.113 R)
• M20: 29,725,097 km (0.108 R)
• M21: 30,551,176 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.6

Radius: 14.9

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.08 AU - 6 AU

Year: 8554 Days

Day: 14.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,573,224 km

• M1: 188,344 km (0.056 R)
• M2: 696,827 km (0.085 R)
• M3: 1,319,154 km (0.117 R)
• M4: 4,114,540 km (0.096 R)
• M5: 5,434,741 km (0.109 R)
• M6: 7,462,839 km (0.118 R)
• M7: 9,663,574 km (0.088 R)
• M8: 11,647,690 km (0.119 R)
• M9: 12,171,582 km (0.111 R)
• M10: 12,860,929 km (0.112 R)
• M11: 13,891,060 km (0.08 R)
• M12: 15,424,737 km (0.068 R)
• M13: 16,232,715 km (0.094 R)
• M14: 19,483,327 km (0.036 R)
• M15: 20,222,939 km (0.083 R)
• M16: 27,578,367 km (0.08 R)
• M17: 28,084,607 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.4

Radius: 4.4

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.68 AU - 7.44 AU

Year: 9786 Days

Day: 22.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,573,224 km

• M1: 60,288 km (0.091 R)
• M2: 235,617 km (0.091 R)
• M3: 645,365 km (0.119 R)
• M4: 965,953 km (0.104 R)
• M5: 3,052,096 km (0.098 R)
• M6: 7,773,704 km (0.045 R)
• M7: 9,160,027 km (0.102 R)
• M8: 9,406,116 km (0.09 R)
• M9: 11,300,623 km (0.049 R)
• M10: 16,964,249 km (0.118 R)
• M11: 18,742,818 km (0.117 R)
• M12: 19,677,057 km (0.116 R)
• M13: 22,074,363 km (0.099 R)
• M14: 25,698,969 km (0.111 R)
• M15: 26,767,248 km (0.054 R)
• M16: 27,354,719 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.4

Radius: 4.1

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.14 AU - 7.8 AU

Year: 12071 Days

Day: 21.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 29,573,224 km

• M1: 51,013 km (0.08 R)
• M2: 352,602 km (0.031 R)
• M3: 506,688 km (0.077 R)
• M4: 720,164 km (0.09 R)
• M5: 964,906 km (0.026 R)
• M6: 1,273,826 km (0.107 R)
• M7: 1,428,360 km (0.113 R)
• M8: 1,856,659 km (0.111 R)
• M9: 2,981,186 km (0.049 R)
• M10: 3,419,059 km (0.105 R)
• M11: 5,404,073 km (0.027 R)
• M12: 6,395,907 km (0.032 R)
• M13: 6,719,039 km (0.072 R)
• M14: 6,918,154 km (0.086 R)
• M15: 7,538,835 km (0.116 R)
• M16: 9,170,798 km (0.083 R)
• M17: 10,661,990 km (0.115 R)
• M18: 10,887,434 km (0.092 R)
• M19: 11,725,481 km (0.086 R)
• M20: 12,307,417 km (0.081 R)
• M21: 14,331,925 km (0.03 R)
• M22: 14,551,385 km (0.113 R)
• M23: 17,800,052 km (0.081 R)
• M24: 17,990,042 km (0.041 R)
• M25: 19,491,406 km (0.053 R)
• M26: 22,592,719 km (0.106 R)
• M27: 27,413,959 km (0.059 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: 329 - 15,078 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit