🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.5

Radius: 14.1

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.75 AU - 0.99 AU

Year: 570 Days

Day: 8.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,059,764 km

• M1: 175,329 km (0.06 R)
• M2: 651,948 km (0.042 R)
• M3: 1,154,596 km (0.06 R)
• M4: 1,597,406 km (0.035 R)
• M5: 2,119,951 km (0.066 R)
• M6: 3,152,326 km (0.089 R)
• M7: 3,859,924 km (0.084 R)
• M8: 4,883,473 km (0.03 R)
• M9: 5,759,668 km (0.085 R)
• M10: 6,800,570 km (0.117 R)
• M11: 7,333,587 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.1

Radius: 11.7

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.96 AU - 1.44 AU

Year: 924 Days

Day: 8.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 34,059,764 km

• M1: 147,055 km (0.109 R)
• M2: 520,301 km (0.098 R)
• M3: 936,183 km (0.099 R)
• M4: 1,650,364 km (0.078 R)
• M5: 2,754,845 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.5

Radius: 8.6

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.36 AU - 1.64 AU

Year: 1291 Days

Day: 8.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,059,764 km

• M1: 106,962 km (0.117 R)
• M2: 410,497 km (0.118 R)
• M3: 892,501 km (0.094 R)
• M4: 1,206,058 km (0.102 R)
• M5: 2,010,446 km (0.099 R)
• M6: 2,673,763 km (0.088 R)
• M7: 3,077,677 km (0.106 R)
• M8: 3,354,134 km (0.115 R)
• M9: 4,093,596 km (0.082 R)
• M10: 4,465,347 km (0.117 R)
• M11: 5,055,510 km (0.116 R)
• M12: 5,526,145 km (0.034 R)
• M13: 6,275,182 km (0.102 R)
• M14: 7,241,135 km (0.115 R)
• M15: 8,055,397 km (0.115 R)
• M16: 9,587,129 km (0.077 R)
• M17: 10,373,266 km (0.082 R)
• M18: 11,201,739 km (0.085 R)
• M19: 11,789,808 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.7

Radius: 14.9

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.33 AU - 1.89 AU

Year: 1436 Days

Day: 11.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,059,764 km

• M1: 186,549 km (0.118 R)
• M2: 674,537 km (0.109 R)
• M3: 1,281,156 km (0.106 R)
• M4: 1,987,857 km (0.08 R)
• M5: 3,065,410 km (0.113 R)
• M6: 3,585,711 km (0.116 R)
• M7: 4,917,432 km (0.045 R)
• M8: 6,949,270 km (0.115 R)
• M9: 7,881,713 km (0.103 R)
• M10: 9,091,960 km (0.106 R)
• M11: 10,086,188 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.9

Radius: 8.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.07 AU - 2.23 AU

Year: 2216 Days

Day: 12.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,059,764 km

• M1: 111,450 km (0.107 R)
• M2: 527,931 km (0.119 R)
• M3: 1,644,081 km (0.086 R)
• M4: 2,776,387 km (0.088 R)
• M5: 3,761,788 km (0.067 R)
• M6: 4,054,252 km (0.109 R)
• M7: 4,585,175 km (0.11 R)
• M8: 5,238,917 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.2

Radius: 7.6

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.68 AU - 6.22 AU

Year: 8943 Days

Day: 20.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,059,764 km

• M1: 94,546 km (0.059 R)
• M2: 432,039 km (0.089 R)
• M3: 909,106 km (0.115 R)
• M4: 2,149,721 km (0.073 R)
• M5: 2,850,887 km (0.072 R)
• M6: 3,831,650 km (0.055 R)
• M7: 5,511,036 km (0.116 R)
• M8: 5,939,783 km (0.083 R)
• M9: 6,414,757 km (0.091 R)
• M10: 6,863,550 km (0.093 R)
• M11: 10,889,977 km (0.117 R)
• M12: 11,170,922 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.4

Radius: 7

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.01 AU - 7.55 AU

Year: 12409 Days

Day: 22.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 34,059,764 km

• M1: 101,278 km (0.091 R)
• M2: 325,375 km (0.114 R)
• M3: 728,392 km (0.082 R)
• M4: 1,202,168 km (0.106 R)
• M5: 1,881,343 km (0.076 R)
• M6: 2,323,853 km (0.107 R)
• M7: 3,048,655 km (0.118 R)
• M8: 3,274,697 km (0.117 R)
• M9: 3,863,365 km (0.093 R)
• M10: 4,210,432 km (0.042 R)
• M11: 4,462,804 km (0.092 R)
• M12: 5,642,084 km (0.042 R)
• M13: 6,977,394 km (0.115 R)
• M14: 7,291,849 km (0.112 R)
• M15: 8,033,705 km (0.087 R)
• M16: 12,978,363 km (0.072 R)
• M17: 14,695,148 km (0.066 R)
• M18: 16,557,792 km (0.053 R)
• M19: 17,259,705 km (0.03 R)
• M20: 18,127,821 km (0.118 R)
• M21: 18,797,720 km (0.114 R)
• M22: 19,407,033 km (0.074 R)
• M23: 20,584,667 km (0.104 R)
• M24: 21,809,275 km (0.109 R)
• M25: 22,397,195 km (0.093 R)
• M26: 24,313,394 km (0.105 R)
• M27: 26,620,642 km (0.088 R)
• M28: 28,171,673 km (0.118 R)
• M29: 30,505,250 km (0.101 R)
• M30: 31,558,868 km (0.04 R)
• M31: 32,419,055 km (0.1 R)
• M32: 43,463,268 km (0.08 R)
• M33: 44,126,435 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.2

Radius: 7.9

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.77 AU - 8.81 AU

Year: 13836 Days

Day: 21.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,059,764 km

• M1: 98,435 km (0.115 R)
• M2: 355,295 km (0.097 R)
• M3: 724,802 km (0.104 R)
• M4: 1,486,853 km (0.067 R)
• M5: 1,984,565 km (0.078 R)
• M6: 3,106,250 km (0.06 R)
• M7: 3,949,533 km (0.115 R)
• M8: 4,635,140 km (0.037 R)
• M9: 7,302,620 km (0.074 R)
• M10: 7,574,439 km (0.063 R)
• M11: 8,332,601 km (0.113 R)
• M12: 8,679,668 km (0.085 R)
• M13: 10,334,819 km (0.096 R)
• M14: 12,380,570 km (0.084 R)
• M15: 17,016,608 km (0.077 R)
• M16: 25,175,826 km (0.068 R)
• M17: 26,535,820 km (0.115 R)
• M18: 29,060,733 km (0.119 R)
• M19: 34,965,660 km (0.113 R)
• M20: 40,341,759 km (0.104 R)
• M21: 41,766,978 km (0.074 R)
• M22: 45,782,484 km (0.091 R)
• M23: 54,916,331 km (0.112 R)
• M24: 57,197,699 km (0.109 R)
• M25: 59,176,879 km (0.12 R)
• M26: 60,644,583 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.1

Radius: 6.9

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.36 AU - 8.94 AU

Year: 14873 Days

Day: 17 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,059,764 km

• M1: 122,969 km (0.058 R)
• M2: 345,571 km (0.108 R)
• M3: 561,291 km (0.1 R)
• M4: 923,019 km (0.118 R)
• M5: 3,140,658 km (0.108 R)
• M6: 3,457,805 km (0.114 R)
• M7: 5,615,754 km (0.051 R)
• M8: 5,956,838 km (0.113 R)
• M9: 6,213,398 km (0.1 R)
• M10: 11,198,149 km (0.086 R)
• M11: 16,457,561 km (0.076 R)
• M12: 17,480,511 km (0.051 R)
• M13: 18,749,550 km (0.12 R)
• M14: 22,612,466 km (0.052 R)
• M15: 33,653,687 km (0.114 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 13,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit