🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.4

Radius: 12.1

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.62 AU - 0.86 AU

Year: 424 Days

Day: 7.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,262,272 km

• M1: 150,645 km (0.058 R)
• M2: 530,624 km (0.111 R)
• M3: 910,752 km (0.058 R)
• M4: 1,719,029 km (0.088 R)
• M5: 2,302,162 km (0.075 R)
• M6: 2,751,554 km (0.077 R)
• M7: 3,168,932 km (0.111 R)
• M8: 3,999,200 km (0.06 R)
• M9: 4,395,185 km (0.111 R)
• M10: 4,877,639 km (0.099 R)
• M11: 5,543,050 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.3

Radius: 11.2

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.88 AU - 1.02 AU

Year: 617 Days

Day: 5.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,262,272 km

• M1: 139,276 km (0.069 R)
• M2: 515,065 km (0.088 R)
• M3: 980,315 km (0.076 R)
• M4: 1,332,917 km (0.09 R)
• M5: 1,764,357 km (0.109 R)
• M6: 2,279,722 km (0.086 R)
• M7: 3,006,468 km (0.116 R)
• M8: 3,720,349 km (0.059 R)
• M9: 4,189,189 km (0.108 R)
• M10: 4,574,254 km (0.053 R)
• M11: 5,129,861 km (0.064 R)
• M12: 5,964,916 km (0.09 R)
• M13: 6,357,760 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.9

Radius: 11.5

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.83 AU - 1.31 AU

Year: 738 Days

Day: 5.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,262,272 km

• M1: 143,016 km (0.063 R)
• M2: 632,051 km (0.084 R)
• M3: 1,131,558 km (0.059 R)
• M4: 1,833,322 km (0.066 R)
• M5: 2,195,050 km (0.105 R)
• M6: 2,906,687 km (0.033 R)
• M7: 3,268,265 km (0.114 R)
• M8: 3,820,131 km (0.111 R)
• M9: 4,418,373 km (0.08 R)
• M10: 5,061,794 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198

Radius: 13.9

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.15 AU - 1.27 AU

Year: 888 Days

Day: 13.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,262,272 km

• M1: 177,124 km (0.071 R)
• M2: 670,797 km (0.078 R)
• M3: 1,267,393 km (0.118 R)
• M4: 1,795,773 km (0.097 R)
• M5: 2,358,710 km (0.08 R)
• M6: 2,801,968 km (0.119 R)
• M7: 3,242,983 km (0.082 R)
• M8: 3,821,029 km (0.094 R)
• M9: 4,614,346 km (0.092 R)
• M10: 5,498,021 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.3

Radius: 13.2

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.83 AU - 2.01 AU

Year: 1774 Days

Day: 8.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,262,272 km

• M1: 164,258 km (0.041 R)
• M2: 649,554 km (0.065 R)
• M3: 1,129,913 km (0.062 R)
• M4: 2,585,949 km (0.088 R)
• M5: 3,067,355 km (0.103 R)
• M6: 4,163,309 km (0.086 R)
• M7: 4,922,368 km (0.063 R)
• M8: 5,606,629 km (0.046 R)
• M9: 6,533,537 km (0.033 R)
• M10: 8,829,865 km (0.056 R)
• M11: 9,782,205 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.5

Radius: 10.2

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.57 AU - 3.39 AU

Year: 3430 Days

Day: 14.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,262,272 km

• M1: 132,245 km (0.083 R)
• M2: 1,089,970 km (0.074 R)
• M3: 1,427,313 km (0.114 R)
• M4: 1,897,948 km (0.076 R)
• M5: 3,434,767 km (0.093 R)
• M6: 3,960,454 km (0.097 R)
• M7: 4,287,625 km (0.097 R)
• M8: 5,353,659 km (0.117 R)
• M9: 5,673,050 km (0.075 R)
• M10: 6,005,158 km (0.065 R)
• M11: 6,617,911 km (0.087 R)
• M12: 7,368,593 km (0.047 R)
• M13: 8,105,512 km (0.115 R)
• M14: 8,563,730 km (0.072 R)
• M15: 10,654,660 km (0.088 R)
• M16: 11,334,582 km (0.075 R)
• M17: 12,970,135 km (0.113 R)
• M18: 14,397,748 km (0.113 R)
• M19: 16,146,697 km (0.087 R)
• M20: 21,831,116 km (0.065 R)
• M21: 23,631,228 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.7

Radius: 9.7

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.99 AU - 5.95 AU

Year: 8531 Days

Day: 12.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,262,272 km

• M1: 120,576 km (0.074 R)
• M2: 535,261 km (0.113 R)
• M3: 1,202,767 km (0.082 R)
• M4: 1,862,344 km (0.095 R)
• M5: 2,412,415 km (0.106 R)
• M6: 3,023,523 km (0.091 R)
• M7: 4,157,175 km (0.069 R)
• M8: 5,355,155 km (0.078 R)
• M9: 6,431,512 km (0.04 R)
• M10: 7,563,369 km (0.079 R)
• M11: 8,242,244 km (0.059 R)
• M12: 8,551,613 km (0.068 R)
• M13: 8,914,836 km (0.085 R)
• M14: 10,888,182 km (0.088 R)
• M15: 11,753,456 km (0.098 R)
• M16: 12,722,401 km (0.089 R)
• M17: 13,991,739 km (0.099 R)
• M18: 17,860,490 km (0.117 R)
• M19: 18,681,483 km (0.111 R)
• M20: 19,062,808 km (0.091 R)
• M21: 21,461,311 km (0.103 R)
• M22: 22,474,687 km (0.082 R)
• M23: 23,167,773 km (0.116 R)
• M24: 28,324,262 km (0.081 R)
• M25: 33,633,042 km (0.116 R)
• M26: 34,768,939 km (0.117 R)
• M27: 41,736,759 km (0.082 R)
• M28: 45,066,209 km (0.113 R)
• M29: 46,306,974 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916

Radius: 3.5

Gravity: 74.78 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.92 AU - 6 AU

Year: 9703 Days

Day: 23.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 94.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,262,272 km

• M1: 44,131 km (0.047 R)
• M2: 165,156 km (0.066 R)
• M3: 350,209 km (0.084 R)
• M4: 463,454 km (0.119 R)
• M5: 785,538 km (0.113 R)
• M6: 1,291,778 km (0.067 R)
• M7: 1,644,529 km (0.08 R)
• M8: 2,058,168 km (0.109 R)
• M9: 2,260,723 km (0.067 R)
• M10: 5,870,520 km (0.115 R)
• M11: 7,025,116 km (0.109 R)
• M12: 7,742,438 km (0.096 R)
• M13: 8,460,956 km (0.105 R)
• M14: 9,076,701 km (0.116 R)
• M15: 9,570,225 km (0.061 R)
• M16: 10,664,383 km (0.064 R)
• M17: 12,190,282 km (0.104 R)
• M18: 13,347,272 km (0.115 R)
• M19: 14,910,869 km (0.057 R)
• M20: 17,254,319 km (0.058 R)
• M21: 18,164,024 km (0.093 R)
• M22: 18,866,835 km (0.054 R)
• M23: 19,668,978 km (0.028 R)
• M24: 20,914,231 km (0.078 R)
• M25: 22,924,079 km (0.114 R)
• M26: 28,556,588 km (0.078 R)
• M27: 36,499,786 km (0.088 R)
• M28: 39,141,834 km (0.094 R)
• M29: 42,178,521 km (0.115 R)
• M30: 42,449,742 km (0.1 R)
• M31: 44,521,374 km (0.036 R)
• M32: 47,680,133 km (0.114 R)
• M33: 51,292,772 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.7

Radius: 3.7

Gravity: 28.61 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.32 AU - 6.76 AU

Year: 9899 Days

Day: 23.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,262,272 km

• M1: 48,171 km (0.047 R)
• M2: 564,882 km (0.081 R)
• M3: 831,615 km (0.071 R)
• M4: 1,018,612 km (0.102 R)
• M5: 1,464,414 km (0.065 R)
• M6: 1,680,882 km (0.104 R)
• M7: 2,211,805 km (0.07 R)
• M8: 2,369,331 km (0.077 R)
• M9: 3,097,424 km (0.118 R)
• M10: 3,294,893 km (0.064 R)
• M11: 3,666,793 km (0.03 R)
• M12: 4,040,190 km (0.082 R)
• M13: 4,493,471 km (0.058 R)
• M14: 5,039,204 km (0.054 R)
• M15: 5,281,852 km (0.067 R)
• M16: 5,757,573 km (0.108 R)
• M17: 10,885,639 km (0.055 R)
• M18: 12,566,670 km (0.104 R)
• M19: 13,012,472 km (0.073 R)
• M20: 13,642,428 km (0.092 R)
• M21: 14,963,228 km (0.12 R)
• M22: 15,846,603 km (0.098 R)
• M23: 16,697,666 km (0.057 R)
• M24: 17,509,683 km (0.025 R)
• M25: 18,848,883 km (0.098 R)
• M26: 22,370,866 km (0.118 R)
• M27: 25,947,900 km (0.107 R)
• M28: 31,589,984 km (0.091 R)
• M29: 33,673,733 km (0.083 R)
• M30: 37,195,267 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.4

Radius: 7.5

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 8.29 AU - 13.31 AU

Year: 23668 Days

Day: 16.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,262,272 km

• M1: 97,239 km (0.094 R)
• M2: 539,749 km (0.115 R)
• M3: 796,309 km (0.107 R)
• M4: 1,056,311 km (0.095 R)
• M5: 2,022,264 km (0.094 R)
• M6: 3,508,369 km (0.092 R)
• M7: 4,370,053 km (0.087 R)
• M8: 4,613,898 km (0.094 R)
• M9: 4,899,031 km (0.11 R)
• M10: 5,195,833 km (0.116 R)
• M11: 5,825,640 km (0.075 R)
• M12: 7,152,723 km (0.114 R)
• M13: 7,406,441 km (0.095 R)
• M14: 8,765,837 km (0.066 R)
• M15: 9,056,505 km (0.09 R)
• M16: 12,208,084 km (0.079 R)
• M17: 14,493,939 km (0.086 R)
• M18: 15,596,027 km (0.089 R)
• M19: 17,050,717 km (0.095 R)
• M20: 18,356,556 km (0.091 R)
• M21: 21,079,387 km (0.077 R)
• M22: 22,763,410 km (0.027 R)
• M23: 26,598,352 km (0.108 R)
• M24: 28,668,188 km (0.083 R)
• M25: 29,960,265 km (0.085 R)
• M26: 31,290,788 km (0.12 R)
• M27: 32,084,854 km (0.085 R)
• M28: 36,010,302 km (0.033 R)
• M29: 38,409,552 km (0.101 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 15,902 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit