🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.6

Radius: 13.4

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.51 AU - 0.73 AU

Year: 326 Days

Day: 12.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,003,349 km

• M1: 166,652 km (0.11 R)
• M2: 584,928 km (0.094 R)
• M3: 1,396,945 km (0.104 R)
• M4: 1,942,977 km (0.077 R)
• M5: 2,415,407 km (0.05 R)
• M6: 2,842,210 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.6

Radius: 8.8

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.66 AU - 0.8 AU

Year: 416 Days

Day: 14 Hours

Environment

Temp: -161 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,003,349 km

• M1: 109,506 km (0.081 R)
• M2: 398,828 km (0.075 R)
• M3: 715,227 km (0.089 R)
• M4: 995,424 km (0.054 R)
• M5: 1,332,917 km (0.108 R)
• M6: 1,874,461 km (0.084 R)
• M7: 2,270,746 km (0.068 R)
• M8: 3,347,252 km (0.108 R)
• M9: 3,743,537 km (0.101 R)
• M10: 4,024,931 km (0.118 R)
• M11: 4,544,634 km (0.097 R)
• M12: 5,201,368 km (0.101 R)
• M13: 5,536,468 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.4

Radius: 13.6

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1 AU - 1.1 AU

Year: 717 Days

Day: 8.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,003,349 km

• M1: 169,195 km (0.063 R)
• M2: 847,322 km (0.093 R)
• M3: 1,288,038 km (0.059 R)
• M4: 2,044,405 km (0.087 R)
• M5: 3,143,051 km (0.043 R)
• M6: 3,631,937 km (0.115 R)
• M7: 4,277,003 km (0.111 R)
• M8: 5,185,661 km (0.058 R)
• M9: 6,180,187 km (0.105 R)
• M10: 7,276,291 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.1

Radius: 11.4

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.21 AU - 1.51 AU

Year: 1058 Days

Day: 5 Hours

Environment

Temp: -190 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,003,349 km

• M1: 153,188 km (0.106 R)
• M2: 516,711 km (0.082 R)
• M3: 2,088,237 km (0.116 R)
• M4: 2,631,726 km (0.095 R)
• M5: 3,211,417 km (0.106 R)
• M6: 3,623,410 km (0.077 R)
• M7: 5,253,428 km (0.074 R)
• M8: 6,131,568 km (0.111 R)
• M9: 6,912,020 km (0.065 R)
• M10: 8,124,960 km (0.083 R)
• M11: 8,531,716 km (0.088 R)
• M12: 10,485,913 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.7

Radius: 9.1

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.39 AU - 1.85 AU

Year: 1375 Days

Day: 6.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,003,349 km

• M1: 114,742 km (0.112 R)
• M2: 429,047 km (0.107 R)
• M3: 844,181 km (0.061 R)
• M4: 1,362,837 km (0.099 R)
• M5: 1,811,181 km (0.1 R)
• M6: 2,306,500 km (0.093 R)
• M7: 3,326,009 km (0.117 R)
• M8: 3,651,983 km (0.103 R)
• M9: 4,017,152 km (0.038 R)
• M10: 4,660,273 km (0.076 R)
• M11: 5,006,891 km (0.089 R)
• M12: 5,502,958 km (0.083 R)
• M13: 6,493,595 km (0.105 R)
• M14: 7,993,613 km (0.11 R)
• M15: 9,876,451 km (0.045 R)
• M16: 10,245,061 km (0.109 R)
• M17: 11,442,741 km (0.108 R)
• M18: 12,227,681 km (0.088 R)
• M19: 12,692,183 km (0.059 R)
• M20: 13,533,222 km (0.057 R)
• M21: 13,904,823 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.4

Radius: 12.4

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.88 AU - 2.12 AU

Year: 1886 Days

Day: 12.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,003,349 km

• M1: 154,235 km (0.07 R)
• M2: 597,494 km (0.11 R)
• M3: 1,500,766 km (0.101 R)
• M4: 1,902,287 km (0.063 R)
• M5: 2,763,671 km (0.057 R)
• M6: 3,284,122 km (0.091 R)
• M7: 4,261,146 km (0.032 R)
• M8: 5,379,390 km (0.102 R)
• M9: 5,868,874 km (0.116 R)
• M10: 6,510,350 km (0.066 R)
• M11: 6,912,170 km (0.099 R)
• M12: 7,710,573 km (0.091 R)
• M13: 8,392,889 km (0.057 R)
• M14: 8,779,001 km (0.117 R)
• M15: 9,333,262 km (0.069 R)
• M16: 11,173,016 km (0.068 R)
• M17: 12,122,215 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.2

Radius: 13.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.3 AU - 3.56 AU

Year: 4236 Days

Day: 6.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,003,349 km

• M1: 164,109 km (0.108 R)
• M2: 662,868 km (0.087 R)
• M3: 1,233,734 km (0.045 R)
• M4: 1,906,625 km (0.119 R)
• M5: 2,494,694 km (0.093 R)
• M6: 3,032,050 km (0.095 R)
• M7: 5,287,088 km (0.083 R)
• M8: 5,852,717 km (0.084 R)
• M9: 6,744,620 km (0.105 R)
• M10: 7,654,474 km (0.106 R)
• M11: 10,266,303 km (0.116 R)
• M12: 11,194,857 km (0.113 R)
• M13: 13,527,088 km (0.025 R)
• M14: 14,264,456 km (0.114 R)
• M15: 15,647,788 km (0.086 R)
• M16: 18,679,837 km (0.052 R)
• M17: 24,544,971 km (0.026 R)
• M18: 25,089,657 km (0.118 R)
• M19: 26,122,481 km (0.091 R)
• M20: 26,690,355 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.5

Radius: 11.8

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.53 AU - 4.91 AU

Year: 6838 Days

Day: 10.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,003,349 km

• M1: 148,251 km (0.069 R)
• M2: 556,803 km (0.103 R)
• M3: 1,430,604 km (0.079 R)
• M4: 1,904,680 km (0.083 R)
• M5: 2,658,653 km (0.068 R)
• M6: 4,975,924 km (0.118 R)
• M7: 5,493,982 km (0.12 R)
• M8: 5,984,364 km (0.067 R)
• M9: 6,503,917 km (0.039 R)
• M10: 7,412,574 km (0.037 R)
• M11: 8,685,204 km (0.116 R)
• M12: 10,463,174 km (0.107 R)
• M13: 10,931,266 km (0.09 R)
• M14: 12,061,328 km (0.1 R)
• M15: 12,945,452 km (0.041 R)
• M16: 13,430,747 km (0.048 R)
• M17: 14,323,398 km (0.11 R)
• M18: 20,749,673 km (0.118 R)
• M19: 21,866,422 km (0.115 R)
• M20: 25,123,317 km (0.118 R)
• M21: 25,625,666 km (0.09 R)
• M22: 26,305,888 km (0.066 R)
• M23: 30,075,904 km (0.043 R)
• M24: 30,642,431 km (0.091 R)
• M25: 32,582,117 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.7

Radius: 5.9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.3 AU - 7 AU

Year: 11436 Days

Day: 21 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,003,349 km

• M1: 73,303 km (0.082 R)
• M2: 341,981 km (0.085 R)
• M3: 838,346 km (0.099 R)
• M4: 1,219,073 km (0.026 R)
• M5: 1,423,723 km (0.068 R)
• M6: 1,685,818 km (0.109 R)
• M7: 1,928,616 km (0.081 R)
• M8: 2,351,080 km (0.117 R)
• M9: 2,783,867 km (0.069 R)
• M10: 4,358,833 km (0.068 R)
• M11: 4,561,837 km (0.101 R)
• M12: 6,136,654 km (0.116 R)
• M13: 9,092,858 km (0.066 R)
• M14: 13,206,051 km (0.075 R)
• M15: 18,062,447 km (0.108 R)
• M16: 18,411,309 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.3

Radius: 4.1

Gravity: 19.17 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.57 AU - 9.09 AU

Year: 14611 Days

Day: 20.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,003,349 km

• M1: 51,013 km (0.081 R)
• M2: 197,170 km (0.085 R)
• M3: 385,065 km (0.104 R)
• M4: 634,445 km (0.12 R)
• M5: 836,850 km (0.057 R)
• M6: 1,307,186 km (0.084 R)
• M7: 1,535,622 km (0.025 R)
• M8: 2,071,931 km (0.066 R)
• M9: 2,288,249 km (0.098 R)
• M10: 3,578,381 km (0.117 R)
• M11: 4,657,879 km (0.107 R)
• M12: 5,589,575 km (0.112 R)
• M13: 6,562,709 km (0.105 R)
• M14: 7,518,191 km (0.055 R)
• M15: 8,382,268 km (0.086 R)
• M16: 8,608,310 km (0.035 R)
• M17: 10,775,535 km (0.084 R)
• M18: 13,649,908 km (0.094 R)
• M19: 15,463,782 km (0.08 R)
• M20: 16,358,078 km (0.091 R)
• M21: 17,726,300 km (0.091 R)
• M22: 18,705,269 km (0.071 R)
• M23: 20,361,916 km (0.113 R)
• M24: 22,632,213 km (0.05 R)
• M25: 24,787,170 km (0.061 R)
• M26: 25,252,719 km (0.071 R)
• M27: 32,065,256 km (0.085 R)
• M28: 32,840,772 km (0.072 R)
• M29: 34,428,903 km (0.114 R)
• M30: 34,775,671 km (0.065 R)
• M31: 37,512,863 km (0.066 R)
• M32: 39,247,301 km (0.105 R)
• M33: 41,294,099 km (0.105 R)
• M34: 43,276,570 km (0.1 R)
• M35: 46,157,376 km (0.056 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 17,208 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit