🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.57 AU - 0.59 AU

Year: 285 Days

Day: 23.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.9

Radius: 9.3

Gravity: 10.64 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.62 AU - 0.94 AU

Year: 445 Days

Day: 8.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,346,458 km

• M1: 115,639 km (0.11 R)
• M2: 407,505 km (0.103 R)
• M3: 767,287 km (0.082 R)
• M4: 1,086,829 km (0.079 R)
• M5: 1,545,944 km (0.09 R)
• M6: 2,008,202 km (0.093 R)
• M7: 2,314,877 km (0.08 R)
• M8: 2,653,268 km (0.082 R)
• M9: 3,152,027 km (0.083 R)
• M10: 3,712,271 km (0.106 R)
• M11: 4,121,721 km (0.088 R)
• M12: 4,470,732 km (0.037 R)
• M13: 5,311,921 km (0.091 R)
• M14: 5,655,548 km (0.083 R)
• M15: 6,330,683 km (0.104 R)
• M16: 6,638,854 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.1

Radius: 10.3

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.19 AU - 1.83 AU

Year: 1198 Days

Day: 5.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,346,458 km

• M1: 128,056 km (0.114 R)
• M2: 477,068 km (0.119 R)
• M3: 994,676 km (0.044 R)
• M4: 1,531,433 km (0.112 R)
• M5: 1,908,121 km (0.09 R)
• M6: 3,945,045 km (0.11 R)
• M7: 5,173,693 km (0.114 R)
• M8: 7,550,055 km (0.086 R)
• M9: 8,741,752 km (0.073 R)
• M10: 9,306,633 km (0.078 R)
• M11: 9,864,035 km (0.116 R)
• M12: 10,909,724 km (0.092 R)
• M13: 11,355,077 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.8

Radius: 10.3

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.73 AU - 2.29 AU

Year: 1840 Days

Day: 10.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,346,458 km

• M1: 128,056 km (0.105 R)
• M2: 504,444 km (0.087 R)
• M3: 961,466 km (0.094 R)
• M4: 1,295,817 km (0.105 R)
• M5: 1,834,519 km (0.101 R)
• M6: 2,198,939 km (0.112 R)
• M7: 2,625,742 km (0.12 R)
• M8: 3,477,552 km (0.059 R)
• M9: 4,365,415 km (0.031 R)
• M10: 4,936,879 km (0.115 R)
• M11: 5,557,561 km (0.107 R)
• M12: 6,081,153 km (0.098 R)
• M13: 6,456,794 km (0.054 R)
• M14: 7,117,268 km (0.04 R)
• M15: 7,620,366 km (0.077 R)
• M16: 8,918,576 km (0.071 R)
• M17: 9,437,382 km (0.082 R)
• M18: 11,263,972 km (0.073 R)
• M19: 12,699,513 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.4

Radius: 14.4

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.73 AU - 2.65 AU

Year: 2093 Days

Day: 11.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,346,458 km

• M1: 179,069 km (0.091 R)
• M2: 991,385 km (0.077 R)
• M3: 1,703,621 km (0.057 R)
• M4: 2,602,255 km (0.039 R)
• M5: 3,168,483 km (0.037 R)
• M6: 5,131,805 km (0.112 R)
• M7: 7,398,363 km (0.119 R)
• M8: 9,030,176 km (0.119 R)
• M9: 10,304,301 km (0.109 R)
• M10: 12,334,195 km (0.102 R)
• M11: 14,122,787 km (0.088 R)
• M12: 15,079,316 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.6

Radius: 14

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.39 AU - 3.45 AU

Year: 3222 Days

Day: 5.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,346,458 km

• M1: 174,132 km (0.099 R)
• M2: 642,373 km (0.084 R)
• M3: 1,120,039 km (0.087 R)
• M4: 1,713,045 km (0.08 R)
• M5: 2,376,512 km (0.116 R)
• M6: 3,080,370 km (0.066 R)
• M7: 3,691,627 km (0.093 R)
• M8: 4,158,222 km (0.077 R)
• M9: 4,616,590 km (0.111 R)
• M10: 5,058,203 km (0.112 R)
• M11: 7,309,801 km (0.119 R)
• M12: 8,767,782 km (0.085 R)
• M13: 9,882,286 km (0.116 R)
• M14: 11,003,073 km (0.12 R)
• M15: 12,206,887 km (0.087 R)
• M16: 13,745,202 km (0.082 R)
• M17: 14,302,903 km (0.036 R)
• M18: 15,626,694 km (0.111 R)
• M19: 18,824,498 km (0.078 R)
• M20: 19,449,668 km (0.039 R)
• M21: 20,088,600 km (0.079 R)
• M22: 20,741,446 km (0.106 R)
• M23: 22,020,956 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183

Radius: 12.8

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.63 AU - 3.99 AU

Year: 4802 Days

Day: 14.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,346,458 km

• M1: 159,471 km (0.099 R)
• M2: 602,879 km (0.076 R)
• M3: 1,415,345 km (0.066 R)
• M4: 1,892,563 km (0.094 R)
• M5: 2,519,677 km (0.106 R)
• M6: 3,082,165 km (0.113 R)
• M7: 5,196,132 km (0.096 R)
• M8: 5,704,316 km (0.107 R)
• M9: 7,049,351 km (0.032 R)
• M10: 9,414,044 km (0.086 R)
• M11: 9,951,250 km (0.108 R)
• M12: 12,098,578 km (0.07 R)
• M13: 15,063,758 km (0.042 R)
• M14: 15,650,780 km (0.1 R)
• M15: 16,508,424 km (0.087 R)
• M16: 18,930,264 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.5

Radius: 5.9

Gravity: 16.65 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.67 AU - 6.37 AU

Year: 9537 Days

Day: 23.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,346,458 km

• M1: 73,901 km (0.077 R)
• M2: 408,552 km (0.082 R)
• M3: 1,921,435 km (0.064 R)
• M4: 2,775,788 km (0.098 R)
• M5: 3,439,554 km (0.029 R)
• M6: 6,713,055 km (0.081 R)
• M7: 7,171,722 km (0.102 R)
• M8: 8,108,953 km (0.048 R)
• M9: 8,717,816 km (0.116 R)
• M10: 8,987,990 km (0.057 R)
• M11: 12,968,789 km (0.091 R)
• M12: 13,559,252 km (0.112 R)
• M13: 18,351,470 km (0.069 R)
• M14: 18,720,977 km (0.051 R)
• M15: 20,405,898 km (0.055 R)
• M16: 28,750,018 km (0.064 R)
• M17: 34,891,160 km (0.077 R)
• M18: 38,026,432 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.2

Radius: 6.4

Gravity: 17.12 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.91 AU - 7.07 AU

Year: 11932 Days

Day: 16.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,346,458 km

• M1: 79,586 km (0.1 R)
• M2: 396,135 km (0.086 R)
• M3: 626,516 km (0.044 R)
• M4: 1,011,581 km (0.111 R)
• M5: 1,283,699 km (0.11 R)
• M6: 1,791,883 km (0.071 R)
• M7: 4,893,945 km (0.032 R)
• M8: 9,609,718 km (0.091 R)
• M9: 10,182,379 km (0.045 R)
• M10: 12,096,783 km (0.109 R)
• M11: 12,702,505 km (0.104 R)
• M12: 14,040,209 km (0.071 R)
• M13: 15,539,628 km (0.094 R)
• M14: 16,695,122 km (0.057 R)
• M15: 19,502,326 km (0.101 R)
• M16: 20,931,136 km (0.07 R)
• M17: 22,159,035 km (0.105 R)
• M18: 22,609,025 km (0.047 R)
• M19: 23,341,756 km (0.065 R)
• M20: 23,995,648 km (0.094 R)
• M21: 24,470,173 km (0.089 R)
• M22: 25,634,493 km (0.061 R)
• M23: 26,430,952 km (0.094 R)
• M24: 27,243,717 km (0.039 R)
• M25: 28,283,123 km (0.089 R)
• M26: 30,110,162 km (0.105 R)
• M27: 34,116,991 km (0.109 R)
• M28: 34,476,026 km (0.043 R)
• M29: 35,446,019 km (0.037 R)
• M30: 38,594,605 km (0.063 R)
• M31: 39,904,484 km (0.049 R)
• M32: 40,704,533 km (0.049 R)
• M33: 50,068,463 km (0.089 R)
• M34: 51,625,627 km (0.06 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 15,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit