🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.61 AU - 0.71 AU

Year: 352 Days

Day: 36.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.2

Radius: 8

Gravity: 14.82 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.8 AU - 1.12 AU

Year: 617 Days

Day: 9.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,237,909 km

• M1: 99,632 km (0.116 R)
• M2: 382,372 km (0.09 R)
• M3: 651,050 km (0.119 R)
• M4: 1,010,982 km (0.06 R)
• M5: 1,470,697 km (0.048 R)
• M6: 1,783,655 km (0.082 R)
• M7: 2,063,852 km (0.117 R)
• M8: 2,469,113 km (0.092 R)
• M9: 3,188,679 km (0.115 R)
• M10: 3,818,486 km (0.09 R)
• M11: 4,303,632 km (0.102 R)
• M12: 4,643,967 km (0.088 R)
• M13: 4,897,834 km (0.086 R)
• M14: 5,396,893 km (0.054 R)
• M15: 5,658,988 km (0.117 R)
• M16: 6,665,034 km (0.082 R)
• M17: 7,055,036 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.9

Radius: 13

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.88 AU - 3.08 AU

Year: 2562 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,237,909 km

• M1: 161,865 km (0.102 R)
• M2: 614,847 km (0.079 R)
• M3: 1,211,294 km (0.111 R)
• M4: 2,311,138 km (0.102 R)
• M5: 2,727,020 km (0.071 R)
• M6: 3,160,704 km (0.108 R)
• M7: 4,169,143 km (0.092 R)
• M8: 5,287,836 km (0.119 R)
• M9: 5,792,878 km (0.037 R)
• M10: 6,277,426 km (0.105 R)
• M11: 6,706,473 km (0.039 R)
• M12: 7,126,543 km (0.118 R)
• M13: 8,144,258 km (0.046 R)
• M14: 9,956,935 km (0.107 R)
• M15: 10,729,758 km (0.03 R)
• M16: 11,782,029 km (0.064 R)
• M17: 12,188,786 km (0.05 R)
• M18: 13,030,423 km (0.104 R)
• M19: 14,273,582 km (0.116 R)
• M20: 15,643,001 km (0.104 R)
• M21: 16,892,143 km (0.062 R)
• M22: 17,410,051 km (0.028 R)
• M23: 17,832,066 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.2

Radius: 13.1

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.22 AU - 3.66 AU

Year: 3307 Days

Day: 14.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,237,909 km

• M1: 162,912 km (0.08 R)
• M2: 693,237 km (0.105 R)
• M3: 1,210,995 km (0.117 R)
• M4: 3,127,493 km (0.102 R)
• M5: 3,653,629 km (0.053 R)
• M6: 4,619,133 km (0.108 R)
• M7: 5,798,862 km (0.103 R)
• M8: 8,091,300 km (0.086 R)
• M9: 10,584,648 km (0.106 R)
• M10: 13,688,953 km (0.025 R)
• M11: 14,670,315 km (0.097 R)
• M12: 16,930,589 km (0.092 R)
• M13: 17,951,445 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.7

Radius: 10.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.78 AU - 4.48 AU

Year: 5506 Days

Day: 10.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,237,909 km

• M1: 138,079 km (0.057 R)
• M2: 628,311 km (0.102 R)
• M3: 1,398,291 km (0.114 R)
• M4: 1,773,333 km (0.072 R)
• M5: 2,111,424 km (0.07 R)
• M6: 3,344,260 km (0.093 R)
• M7: 4,421,814 km (0.072 R)
• M8: 5,316,559 km (0.064 R)
• M9: 7,189,524 km (0.083 R)
• M10: 9,323,238 km (0.071 R)
• M11: 11,515,595 km (0.11 R)
• M12: 12,975,970 km (0.063 R)
• M13: 14,125,929 km (0.11 R)
• M14: 18,432,702 km (0.115 R)
• M15: 19,943,939 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.7

Radius: 3.7

Gravity: 68.42 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.58 AU - 6.7 AU

Year: 9981 Days

Day: 22.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 53,237,909 km

• M1: 46,076 km (0.081 R)
• M2: 355,594 km (0.114 R)
• M3: 979,118 km (0.094 R)
• M4: 1,174,343 km (0.101 R)
• M5: 1,802,056 km (0.094 R)
• M6: 2,361,402 km (0.099 R)
• M7: 2,585,350 km (0.042 R)
• M8: 3,123,005 km (0.092 R)
• M9: 5,046,834 km (0.09 R)
• M10: 5,315,212 km (0.11 R)
• M11: 5,628,470 km (0.109 R)
• M12: 6,642,295 km (0.08 R)
• M13: 6,802,215 km (0.03 R)
• M14: 7,129,835 km (0.067 R)
• M15: 7,382,206 km (0.07 R)
• M16: 7,553,795 km (0.054 R)
• M17: 7,684,244 km (0.033 R)
• M18: 8,084,718 km (0.084 R)
• M19: 12,576,543 km (0.09 R)
• M20: 13,069,468 km (0.094 R)
• M21: 19,696,654 km (0.069 R)
• M22: 20,613,689 km (0.104 R)
• M23: 21,997,768 km (0.042 R)
• M24: 23,720,538 km (0.089 R)
• M25: 26,022,550 km (0.086 R)
• M26: 29,210,480 km (0.094 R)
• M27: 30,621,338 km (0.095 R)
• M28: 31,737,188 km (0.081 R)
• M29: 33,695,724 km (0.069 R)
• M30: 35,005,004 km (0.05 R)
• M31: 35,489,402 km (0.114 R)
• M32: 36,844,609 km (0.064 R)
• M33: 37,345,912 km (0.104 R)
• M34: 38,618,840 km (0.08 R)
• M35: 41,791,212 km (0.116 R)
• M36: 45,850,999 km (0.117 R)
• M37: 46,722,557 km (0.04 R)
• M38: 47,162,374 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.8

Radius: 5.7

Gravity: 24 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.82 AU - 8.88 AU

Year: 15828 Days

Day: 15.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,237,909 km

• M1: 72,256 km (0.117 R)
• M2: 295,456 km (0.045 R)
• M3: 638,933 km (0.034 R)
• M4: 844,330 km (0.062 R)
• M5: 1,529,788 km (0.12 R)
• M6: 4,192,630 km (0.076 R)
• M7: 4,449,489 km (0.072 R)
• M8: 5,357,549 km (0.109 R)
• M9: 5,545,593 km (0.087 R)
• M10: 7,256,843 km (0.103 R)
• M11: 8,610,105 km (0.098 R)
• M12: 10,882,796 km (0.092 R)
• M13: 11,932,375 km (0.072 R)
• M14: 12,980,308 km (0.081 R)
• M15: 13,596,053 km (0.102 R)
• M16: 14,302,753 km (0.087 R)
• M17: 14,959,488 km (0.076 R)
• M18: 15,636,269 km (0.117 R)
• M19: 16,889,151 km (0.1 R)
• M20: 18,719,331 km (0.093 R)
• M21: 22,866,932 km (0.077 R)
• M22: 25,205,745 km (0.105 R)
• M23: 26,162,872 km (0.093 R)
• M24: 32,919,161 km (0.109 R)
• M25: 33,297,195 km (0.097 R)
• M26: 34,838,352 km (0.12 R)
• M27: 36,830,996 km (0.088 R)
• M28: 37,786,328 km (0.114 R)
• M29: 39,179,682 km (0.09 R)
• M30: 45,406,395 km (0.072 R)
• M31: 46,346,468 km (0.085 R)
• M32: 55,576,806 km (0.058 R)
• M33: 56,832,680 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.8

Radius: 7.6

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.6 AU - 9.72 AU

Year: 16718 Days

Day: 22.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,237,909 km

• M1: 94,546 km (0.112 R)
• M2: 500,854 km (0.119 R)
• M3: 1,129,015 km (0.068 R)
• M4: 1,787,395 km (0.11 R)
• M5: 2,512,496 km (0.113 R)
• M6: 2,808,251 km (0.093 R)
• M7: 4,003,688 km (0.107 R)
• M8: 6,308,542 km (0.117 R)
• M9: 8,232,371 km (0.116 R)
• M10: 10,843,452 km (0.096 R)
• M11: 16,149,689 km (0.03 R)
• M12: 18,089,375 km (0.076 R)
• M13: 26,998,975 km (0.101 R)
• M14: 28,969,328 km (0.098 R)
• M15: 39,747,107 km (0.095 R)
• M16: 42,565,531 km (0.068 R)
• M17: 51,503,405 km (0.087 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: 360 - 10,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit