🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.9

Radius: 13.9

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.54 AU - 0.58 AU

Year: 279 Days

Day: 5.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,734,119 km

• M1: 173,085 km (0.082 R)
• M2: 613,800 km (0.103 R)
• M3: 1,064,688 km (0.113 R)
• M4: 1,507,348 km (0.111 R)
• M5: 2,076,418 km (0.052 R)
• M6: 2,575,028 km (0.062 R)
• M7: 3,399,312 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.8

Radius: 11

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.88 AU - 1.24 AU

Year: 728 Days

Day: 11.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,734,119 km

• M1: 137,181 km (0.079 R)
• M2: 516,113 km (0.093 R)
• M3: 1,127,220 km (0.092 R)
• M4: 1,497,175 km (0.075 R)
• M5: 2,213,600 km (0.098 R)
• M6: 2,589,689 km (0.086 R)
• M7: 3,183,742 km (0.061 R)
• M8: 3,722,593 km (0.088 R)
• M9: 4,897,535 km (0.11 R)
• M10: 5,750,692 km (0.097 R)
• M11: 6,142,788 km (0.05 R)
• M12: 6,552,536 km (0.118 R)
• M13: 7,450,124 km (0.069 R)
• M14: 7,869,297 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.5

Radius: 9.3

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.51 AU - 2.29 AU

Year: 1746 Days

Day: 11.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,734,119 km

• M1: 116,986 km (0.055 R)
• M2: 419,173 km (0.068 R)
• M3: 1,315,713 km (0.088 R)
• M4: 1,933,104 km (0.041 R)
• M5: 2,351,978 km (0.108 R)
• M6: 3,737,852 km (0.096 R)
• M7: 5,423,820 km (0.078 R)
• M8: 6,610,132 km (0.093 R)
• M9: 6,918,902 km (0.094 R)
• M10: 7,264,323 km (0.104 R)
• M11: 8,793,512 km (0.114 R)
• M12: 11,055,881 km (0.03 R)
• M13: 12,091,248 km (0.106 R)
• M14: 12,988,985 km (0.046 R)
• M15: 13,805,340 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.5

Radius: 9.3

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.29 AU - 2.75 AU

Year: 2668 Days

Day: 5.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,734,119 km

• M1: 115,938 km (0.094 R)
• M2: 435,031 km (0.088 R)
• M3: 798,254 km (0.118 R)
• M4: 1,207,105 km (0.108 R)
• M5: 1,627,625 km (0.066 R)
• M6: 2,427,076 km (0.085 R)
• M7: 3,103,707 km (0.053 R)
• M8: 3,582,420 km (0.095 R)
• M9: 4,067,417 km (0.08 R)
• M10: 4,687,948 km (0.075 R)
• M11: 5,421,427 km (0.077 R)
• M12: 5,735,582 km (0.06 R)
• M13: 6,603,699 km (0.067 R)
• M14: 6,932,066 km (0.108 R)
• M15: 7,653,876 km (0.102 R)
• M16: 8,050,011 km (0.119 R)
• M17: 8,740,555 km (0.116 R)
• M18: 9,210,292 km (0.114 R)
• M19: 9,734,932 km (0.059 R)
• M20: 10,160,837 km (0.1 R)
• M21: 16,183,348 km (0.105 R)
• M22: 16,891,993 km (0.113 R)
• M23: 18,022,654 km (0.087 R)
• M24: 19,202,981 km (0.067 R)
• M25: 21,913,994 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.3

Radius: 11

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.35 AU - 3.41 AU

Year: 3259 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,734,119 km

• M1: 136,882 km (0.064 R)
• M2: 896,540 km (0.058 R)
• M3: 1,824,496 km (0.113 R)
• M4: 2,193,404 km (0.118 R)
• M5: 2,612,577 km (0.079 R)
• M6: 3,230,267 km (0.077 R)
• M7: 4,782,195 km (0.106 R)
• M8: 5,180,125 km (0.102 R)
• M9: 5,654,351 km (0.083 R)
• M10: 6,781,720 km (0.09 R)
• M11: 7,317,580 km (0.102 R)
• M12: 7,984,188 km (0.11 R)
• M13: 9,710,099 km (0.091 R)
• M14: 10,391,816 km (0.108 R)
• M15: 11,277,585 km (0.064 R)
• M16: 12,912,091 km (0.095 R)
• M17: 17,331,063 km (0.11 R)
• M18: 20,326,760 km (0.066 R)
• M19: 20,846,613 km (0.108 R)
• M20: 21,643,072 km (0.083 R)
• M21: 22,048,781 km (0.077 R)
• M22: 23,794,439 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.8

Radius: 9.2

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.22 AU - 4.54 AU

Year: 6113 Days

Day: 9.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,734,119 km

• M1: 119,828 km (0.11 R)
• M2: 944,561 km (0.106 R)
• M3: 1,673,851 km (0.068 R)
• M4: 2,514,740 km (0.111 R)
• M5: 4,050,811 km (0.114 R)
• M6: 4,735,969 km (0.045 R)
• M7: 6,483,871 km (0.113 R)
• M8: 8,954,181 km (0.101 R)
• M9: 14,966,369 km (0.107 R)
• M10: 19,316,975 km (0.094 R)
• M11: 23,226,266 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.2

Radius: 13.3

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.09 AU - 4.97 AU

Year: 6429 Days

Day: 5.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,734,119 km

• M1: 165,904 km (0.044 R)
• M2: 1,278,613 km (0.11 R)
• M3: 1,782,907 km (0.102 R)
• M4: 2,609,735 km (0.075 R)
• M5: 3,171,924 km (0.068 R)
• M6: 4,219,258 km (0.107 R)
• M7: 5,093,209 km (0.095 R)
• M8: 5,818,759 km (0.102 R)
• M9: 6,961,088 km (0.116 R)
• M10: 7,985,086 km (0.068 R)
• M11: 8,756,562 km (0.114 R)
• M12: 9,576,956 km (0.111 R)
• M13: 13,288,629 km (0.077 R)
• M14: 15,060,766 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.5

Radius: 4.1

Gravity: 15.26 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 8.7 AU - 10.92 AU

Year: 20490 Days

Day: 22 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,734,119 km

• M1: 51,013 km (0.064 R)
• M2: 231,428 km (0.072 R)
• M3: 432,936 km (0.055 R)
• M4: 1,146,967 km (0.111 R)
• M5: 1,944,922 km (0.105 R)
• M6: 2,917,458 km (0.1 R)
• M7: 3,668,439 km (0.076 R)
• M8: 4,447,395 km (0.08 R)
• M9: 6,018,622 km (0.119 R)
• M10: 7,524,623 km (0.104 R)
• M11: 7,701,149 km (0.064 R)
• M12: 10,094,116 km (0.075 R)
• M13: 10,747,709 km (0.066 R)
• M14: 11,839,624 km (0.105 R)
• M15: 14,785,206 km (0.067 R)
• M16: 17,559,499 km (0.044 R)
• M17: 18,343,392 km (0.106 R)
• M18: 18,502,863 km (0.083 R)
• M19: 19,562,465 km (0.105 R)
• M20: 20,490,121 km (0.096 R)
• M21: 21,446,650 km (0.085 R)
• M22: 22,523,755 km (0.118 R)
• M23: 28,347,450 km (0.109 R)
• M24: 30,528,737 km (0.117 R)
• M25: 33,647,403 km (0.109 R)
• M26: 35,840,508 km (0.08 R)
• M27: 36,592,238 km (0.061 R)
• M28: 41,736,160 km (0.119 R)
• M29: 47,042,397 km (0.118 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: 243 - 19,249 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit