🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847

Radius: 14.6

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.8 AU - 1.22 AU

Year: 701 Days

Day: 12.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,203,760 km

• M1: 181,761 km (0.102 R)
• M2: 640,279 km (0.101 R)
• M3: 1,134,401 km (0.082 R)
• M4: 1,685,220 km (0.071 R)
• M5: 2,332,680 km (0.079 R)
• M6: 3,105,801 km (0.1 R)
• M7: 3,750,568 km (0.086 R)
• M8: 4,483,747 km (0.097 R)
• M9: 5,589,575 km (0.118 R)
• M10: 6,056,320 km (0.043 R)
• M11: 6,740,581 km (0.081 R)
• M12: 8,020,091 km (0.074 R)
• M13: 8,666,803 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.3

Radius: 14.7

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.99 AU - 1.51 AU

Year: 965 Days

Day: 7.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 81,203,760 km

• M1: 182,809 km (0.027 R)
• M2: 1,095,655 km (0.062 R)
• M3: 2,212,852 km (0.034 R)
• M4: 2,716,099 km (0.115 R)
• M5: 3,496,401 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.4

Radius: 12.8

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.3 AU - 2.1 AU

Year: 1530 Days

Day: 11.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,203,760 km

• M1: 162,164 km (0.025 R)
• M2: 625,917 km (0.091 R)
• M3: 1,306,438 km (0.116 R)
• M4: 1,928,765 km (0.086 R)
• M5: 2,612,128 km (0.074 R)
• M6: 3,090,542 km (0.099 R)
• M7: 4,066,070 km (0.071 R)
• M8: 5,845,088 km (0.111 R)
• M9: 6,794,885 km (0.076 R)
• M10: 7,465,682 km (0.109 R)
• M11: 8,642,269 km (0.036 R)
• M12: 10,600,356 km (0.08 R)
• M13: 11,647,092 km (0.113 R)
• M14: 13,187,800 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.5

Radius: 8.1

Gravity: 15.16 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.12 AU - 2.22 AU

Year: 2206 Days

Day: 14.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,203,760 km

• M1: 105,018 km (0.102 R)
• M2: 576,700 km (0.118 R)
• M3: 1,400,984 km (0.076 R)
• M4: 1,679,386 km (0.069 R)
• M5: 2,174,106 km (0.101 R)
• M6: 3,205,583 km (0.12 R)
• M7: 3,849,303 km (0.095 R)
• M8: 6,084,445 km (0.065 R)
• M9: 6,578,267 km (0.084 R)
• M10: 6,834,977 km (0.06 R)
• M11: 7,429,778 km (0.049 R)
• M12: 7,771,310 km (0.085 R)
• M13: 8,155,777 km (0.095 R)
• M14: 8,452,579 km (0.086 R)
• M15: 10,853,625 km (0.075 R)
• M16: 12,082,122 km (0.07 R)
• M17: 13,722,014 km (0.119 R)
• M18: 18,489,100 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.2

Radius: 9.1

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.08 AU - 2.42 AU

Year: 2330 Days

Day: 12.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,203,760 km

• M1: 115,789 km (0.064 R)
• M2: 457,321 km (0.108 R)
• M3: 771,626 km (0.115 R)
• M4: 1,183,918 km (0.101 R)
• M5: 1,486,853 km (0.104 R)
• M6: 1,877,304 km (0.066 R)
• M7: 2,606,444 km (0.101 R)
• M8: 3,774,354 km (0.104 R)
• M9: 4,273,862 km (0.054 R)
• M10: 4,953,933 km (0.116 R)
• M11: 5,935,744 km (0.096 R)
• M12: 6,612,076 km (0.113 R)
• M13: 7,042,021 km (0.111 R)
• M14: 7,521,033 km (0.077 R)
• M15: 7,958,008 km (0.051 R)
• M16: 9,300,051 km (0.075 R)
• M17: 10,516,132 km (0.091 R)
• M18: 10,944,131 km (0.082 R)
• M19: 12,556,048 km (0.048 R)
• M20: 13,992,038 km (0.115 R)
• M21: 14,367,529 km (0.079 R)
• M22: 15,484,726 km (0.118 R)
• M23: 16,763,638 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118

Radius: 9.2

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.35 AU - 3.23 AU

Year: 3217 Days

Day: 10.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,203,760 km

• M1: 114,891 km (0.056 R)
• M2: 1,114,654 km (0.105 R)
• M3: 1,683,874 km (0.097 R)
• M4: 2,133,864 km (0.072 R)
• M5: 2,436,351 km (0.036 R)
• M6: 2,875,421 km (0.111 R)
• M7: 3,321,222 km (0.118 R)
• M8: 4,461,756 km (0.099 R)
• M9: 5,000,608 km (0.088 R)
• M10: 5,668,862 km (0.119 R)
• M11: 6,880,305 km (0.103 R)
• M12: 8,060,932 km (0.106 R)
• M13: 8,397,527 km (0.091 R)
• M14: 9,933,747 km (0.105 R)
• M15: 10,386,281 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.6

Radius: 9.8

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.93 AU - 3.13 AU

Year: 3641 Days

Day: 5.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,203,760 km

• M1: 122,371 km (0.108 R)
• M2: 536,907 km (0.118 R)
• M3: 957,726 km (0.116 R)
• M4: 2,035,129 km (0.104 R)
• M5: 3,571,500 km (0.115 R)
• M6: 4,977,720 km (0.092 R)
• M7: 7,162,447 km (0.062 R)
• M8: 8,979,762 km (0.117 R)
• M9: 9,405,966 km (0.116 R)
• M10: 9,808,534 km (0.072 R)
• M11: 17,367,864 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57

Radius: 3.6

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.23 AU - 6.73 AU

Year: 11386 Days

Day: 17.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,203,760 km

• M1: 89,310 km (0.076 R)
• M2: 493,075 km (0.105 R)
• M3: 2,857,469 km (0.076 R)
• M4: 3,813,100 km (0.115 R)
• M5: 4,374,242 km (0.103 R)
• M6: 4,557,350 km (0.054 R)
• M7: 6,298,818 km (0.106 R)
• M8: 7,110,985 km (0.034 R)
• M9: 12,785,831 km (0.084 R)
• M10: 13,207,846 km (0.101 R)
• M11: 17,605,126 km (0.09 R)
• M12: 18,185,865 km (0.101 R)
• M13: 20,193,020 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.9

Radius: 3

Gravity: 60.66 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.35 AU - 11.01 AU

Year: 19199 Days

Day: 21.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,203,760 km

• M1: 37,250 km (0.116 R)
• M2: 133,740 km (0.114 R)
• M3: 392,545 km (0.061 R)
• M4: 818,749 km (0.118 R)
• M5: 1,418,038 km (0.046 R)
• M6: 2,003,115 km (0.109 R)
• M7: 2,414,360 km (0.081 R)
• M8: 3,029,656 km (0.095 R)
• M9: 4,014,010 km (0.083 R)
• M10: 4,835,602 km (0.051 R)
• M11: 8,665,157 km (0.095 R)
• M12: 11,766,471 km (0.034 R)
• M13: 12,810,365 km (0.111 R)
• M14: 17,854,955 km (0.116 R)
• M15: 18,192,148 km (0.099 R)
• M16: 19,942,294 km (0.098 R)
• M17: 20,580,478 km (0.108 R)
• M18: 21,420,770 km (0.106 R)
• M19: 25,859,937 km (0.11 R)
• M20: 28,866,555 km (0.12 R)
• M21: 40,268,605 km (0.094 R)
• M22: 49,225,179 km (0.033 R)
• M23: 52,769,303 km (0.06 R)
• M24: 52,942,238 km (0.069 R)
• M25: 53,463,137 km (0.053 R)
• M26: 58,122,064 km (0.111 R)
• M27: 63,238,760 km (0.098 R)
• M28: 63,433,836 km (0.098 R)
• M29: 64,415,198 km (0.089 R)
• M30: 65,806,009 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597

Radius: 6.2

Gravity: 15.53 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 9.03 AU - 12.05 AU

Year: 23620 Days

Day: 20.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,203,760 km

• M1: 77,342 km (0.037 R)
• M2: 461,809 km (0.117 R)
• M3: 660,325 km (0.057 R)
• M4: 1,001,259 km (0.09 R)
• M5: 1,314,516 km (0.111 R)
• M6: 2,245,763 km (0.031 R)
• M7: 2,887,837 km (0.074 R)
• M8: 3,350,843 km (0.112 R)
• M9: 3,830,753 km (0.091 R)
• M10: 4,186,347 km (0.091 R)
• M11: 4,424,058 km (0.101 R)
• M12: 4,670,745 km (0.119 R)
• M13: 10,587,341 km (0.111 R)
• M14: 16,908,898 km (0.111 R)
• M15: 18,400,837 km (0.087 R)
• M16: 23,400,697 km (0.098 R)
• M17: 25,249,727 km (0.063 R)
• M18: 25,473,525 km (0.044 R)
• M19: 26,038,706 km (0.11 R)
• M20: 26,960,379 km (0.1 R)
• M21: 27,665,733 km (0.114 R)
• M22: 28,990,721 km (0.089 R)
• M23: 32,951,624 km (0.09 R)
• M24: 33,622,421 km (0.107 R)
• M25: 36,539,878 km (0.085 R)
• M26: 37,840,333 km (0.094 R)
• M27: 38,280,599 km (0.099 R)
• M28: 39,021,857 km (0.106 R)
• M29: 43,833,074 km (0.086 R)
• M30: 52,039,115 km (0.116 R)
• M31: 53,315,185 km (0.098 R)
• M32: 55,362,582 km (0.112 R)
• M33: 63,869,465 km (0.077 R)
• M34: 64,077,106 km (0.092 R)
• M35: 67,244,841 km (0.096 R)
• M36: 67,674,935 km (0.097 R)
• M37: 71,181,958 km (0.1 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 12,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit