🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.7

Radius: 8

Gravity: 14.76 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.79 AU - 0.87 AU

Year: 488 Days

Day: 7 Hours

Environment

Temp: -147 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,128,886 km

• M1: 99,483 km (0.108 R)
• M2: 411,245 km (0.08 R)
• M3: 757,115 km (0.095 R)
• M4: 1,542,803 km (0.09 R)
• M5: 1,831,826 km (0.037 R)
• M6: 2,668,377 km (0.104 R)
• M7: 3,333,041 km (0.062 R)
• M8: 3,848,256 km (0.096 R)
• M9: 4,600,733 km (0.077 R)
• M10: 4,872,403 km (0.102 R)
• M11: 5,239,815 km (0.054 R)
• M12: 5,607,676 km (0.052 R)
• M13: 6,375,712 km (0.051 R)
• M14: 6,673,561 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.8

Radius: 8.9

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.81 AU - 1.21 AU

Year: 655 Days

Day: 6 Hours

Environment

Temp: -166 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,128,886 km

• M1: 110,702 km (0.107 R)
• M2: 511,924 km (0.119 R)
• M3: 791,074 km (0.083 R)
• M4: 1,108,969 km (0.094 R)
• M5: 1,468,602 km (0.103 R)
• M6: 2,041,861 km (0.11 R)
• M7: 2,324,302 km (0.077 R)
• M8: 3,079,323 km (0.034 R)
• M9: 3,915,275 km (0.035 R)
• M10: 4,199,811 km (0.076 R)
• M11: 5,388,067 km (0.042 R)
• M12: 7,001,480 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.5

Radius: 11.9

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.91 AU - 1.29 AU

Year: 745 Days

Day: 14.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,128,886 km

• M1: 149,747 km (0.074 R)
• M2: 545,284 km (0.092 R)
• M3: 1,031,477 km (0.078 R)
• M4: 1,561,203 km (0.089 R)
• M5: 2,119,951 km (0.094 R)
• M6: 2,512,496 km (0.067 R)
• M7: 2,905,191 km (0.108 R)
• M8: 3,586,310 km (0.081 R)
• M9: 4,102,722 km (0.104 R)
• M10: 5,415,593 km (0.039 R)
• M11: 5,996,780 km (0.062 R)
• M12: 7,704,440 km (0.119 R)
• M13: 8,239,851 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492

Radius: 11.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.26 AU - 1.84 AU

Year: 1246 Days

Day: 9.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,128,886 km

• M1: 146,157 km (0.087 R)
• M2: 606,619 km (0.107 R)
• M3: 1,231,938 km (0.078 R)
• M4: 1,750,893 km (0.057 R)
• M5: 2,323,105 km (0.109 R)
• M6: 2,771,450 km (0.1 R)
• M7: 4,004,286 km (0.075 R)
• M8: 7,491,113 km (0.101 R)
• M9: 7,922,254 km (0.094 R)
• M10: 8,396,928 km (0.119 R)
• M11: 10,056,717 km (0.081 R)
• M12: 10,519,573 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.5

Radius: 11.8

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.25 AU - 2.75 AU

Year: 2552 Days

Day: 12.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,128,886 km

• M1: 146,756 km (0.114 R)
• M2: 546,481 km (0.081 R)
• M3: 918,681 km (0.063 R)
• M4: 1,291,329 km (0.059 R)
• M5: 1,700,928 km (0.045 R)
• M6: 2,068,191 km (0.104 R)
• M7: 2,547,652 km (0.071 R)
• M8: 2,935,110 km (0.072 R)
• M9: 4,321,134 km (0.032 R)
• M10: 5,040,401 km (0.058 R)
• M11: 5,969,853 km (0.084 R)
• M12: 7,129,535 km (0.081 R)
• M13: 8,036,547 km (0.1 R)
• M14: 8,568,966 km (0.037 R)
• M15: 10,308,939 km (0.1 R)
• M16: 11,972,617 km (0.119 R)
• M17: 12,980,607 km (0.095 R)
• M18: 14,091,970 km (0.079 R)
• M19: 14,867,485 km (0.072 R)
• M20: 15,366,394 km (0.047 R)
• M21: 16,240,345 km (0.073 R)
• M22: 17,147,058 km (0.117 R)
• M23: 17,863,033 km (0.106 R)
• M24: 18,313,323 km (0.118 R)
• M25: 20,009,912 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.4

Radius: 10.3

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.59 AU - 3.39 AU

Year: 3338 Days

Day: 12 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,128,886 km

• M1: 128,056 km (0.073 R)
• M2: 787,334 km (0.105 R)
• M3: 1,322,445 km (0.093 R)
• M4: 2,360,206 km (0.118 R)
• M5: 2,909,679 km (0.115 R)
• M6: 4,394,437 km (0.108 R)
• M7: 5,427,560 km (0.085 R)
• M8: 5,867,528 km (0.038 R)
• M9: 6,586,345 km (0.106 R)
• M10: 8,537,700 km (0.11 R)
• M11: 10,887,284 km (0.066 R)
• M12: 11,886,299 km (0.114 R)
• M13: 12,809,467 km (0.089 R)
• M14: 13,311,817 km (0.102 R)
• M15: 16,876,435 km (0.089 R)
• M16: 18,615,510 km (0.092 R)
• M17: 19,379,207 km (0.026 R)
• M18: 20,594,690 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.4

Radius: 14.8

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.94 AU - 3.3 AU

Year: 3558 Days

Day: 6.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,128,886 km

• M1: 184,005 km (0.076 R)
• M2: 742,155 km (0.078 R)
• M3: 1,228,049 km (0.108 R)
• M4: 4,059,039 km (0.065 R)
• M5: 4,789,825 km (0.074 R)
• M6: 5,405,569 km (0.105 R)
• M7: 6,267,702 km (0.042 R)
• M8: 6,822,710 km (0.105 R)
• M9: 7,301,274 km (0.057 R)
• M10: 8,090,253 km (0.061 R)
• M11: 11,640,809 km (0.108 R)
• M12: 12,718,961 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.1

Radius: 13.4

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.75 AU - 5.77 AU

Year: 8926 Days

Day: 7.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,128,886 km

• M1: 168,896 km (0.119 R)
• M2: 593,604 km (0.102 R)
• M3: 1,095,206 km (0.069 R)
• M4: 1,790,088 km (0.08 R)
• M5: 2,975,950 km (0.045 R)
• M6: 3,406,942 km (0.112 R)
• M7: 4,474,173 km (0.115 R)
• M8: 7,975,362 km (0.101 R)
• M9: 9,066,379 km (0.068 R)
• M10: 9,538,360 km (0.063 R)
• M11: 10,300,262 km (0.116 R)
• M12: 12,514,011 km (0.084 R)
• M13: 13,482,807 km (0.051 R)
• M14: 14,385,331 km (0.074 R)
• M15: 15,813,991 km (0.098 R)
• M16: 20,085,010 km (0.086 R)
• M17: 21,715,328 km (0.114 R)
• M18: 22,174,743 km (0.12 R)
• M19: 23,352,228 km (0.086 R)
• M20: 24,405,845 km (0.107 R)
• M21: 26,174,691 km (0.079 R)
• M22: 28,390,235 km (0.111 R)
• M23: 29,684,107 km (0.077 R)
• M24: 32,091,885 km (0.084 R)
• M25: 33,699,613 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.2

Radius: 3.2

Gravity: 15.84 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.08 AU - 8.08 AU

Year: 13475 Days

Day: 19 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,128,886 km

• M1: 43,084 km (0.109 R)
• M2: 930,349 km (0.072 R)
• M3: 1,105,977 km (0.111 R)
• M4: 1,338,452 km (0.117 R)
• M5: 2,458,192 km (0.119 R)
• M6: 2,912,970 km (0.096 R)
• M7: 3,076,331 km (0.084 R)
• M8: 3,815,643 km (0.119 R)
• M9: 5,573,568 km (0.084 R)
• M10: 5,986,757 km (0.066 R)
• M11: 7,274,496 km (0.084 R)
• M12: 8,862,327 km (0.116 R)
• M13: 25,173,432 km (0.1 R)
• M14: 36,177,103 km (0.06 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.2

Radius: 5.6

Gravity: 25.1 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.67 AU - 11.41 AU

Year: 20541 Days

Day: 17.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,128,886 km

• M1: 70,311 km (0.1 R)
• M2: 282,740 km (0.095 R)
• M3: 566,378 km (0.04 R)
• M4: 841,937 km (0.089 R)
• M5: 1,055,862 km (0.099 R)
• M6: 2,193,254 km (0.119 R)
• M7: 2,555,281 km (0.065 R)
• M8: 3,914,976 km (0.118 R)
• M9: 4,109,304 km (0.069 R)
• M10: 4,310,214 km (0.114 R)
• M11: 5,103,382 km (0.096 R)
• M12: 5,656,295 km (0.085 R)
• M13: 8,593,350 km (0.107 R)
• M14: 12,001,340 km (0.092 R)
• M15: 13,336,351 km (0.079 R)
• M16: 20,338,279 km (0.082 R)
• M17: 21,021,493 km (0.032 R)
• M18: 21,518,607 km (0.044 R)
• M19: 22,848,232 km (0.037 R)
• M20: 24,558,585 km (0.094 R)
• M21: 25,444,952 km (0.064 R)
• M22: 27,517,032 km (0.098 R)
• M23: 30,451,095 km (0.038 R)
• M24: 31,087,485 km (0.106 R)
• M25: 35,512,440 km (0.092 R)
• M26: 41,727,783 km (0.106 R)
• M27: 47,942,378 km (0.096 R)
• M28: 49,674,721 km (0.078 R)
• M29: 51,988,402 km (0.04 R)
• M30: 52,350,578 km (0.064 R)
• M31: 55,876,151 km (0.083 R)
• M32: 60,152,257 km (0.118 R)
• M33: 66,540,385 km (0.044 R)
• M34: 66,753,562 km (0.111 R)
• M35: 69,129,774 km (0.086 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 18,640 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit