🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.8

Radius: 14

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.46 AU - 0.6 AU

Year: 266 Days

Day: 11.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 56,650,276 km

• M1: 174,581 km (0.086 R)
• M2: 688,749 km (0.061 R)
• M3: 1,271,432 km (0.076 R)
• M4: 2,411,069 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.7

Radius: 13

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.67 AU - 0.89 AU

Year: 476 Days

Day: 8.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,650,276 km

• M1: 161,865 km (0.077 R)
• M2: 568,622 km (0.105 R)
• M3: 978,220 km (0.087 R)
• M4: 1,434,045 km (0.073 R)
• M5: 1,992,045 km (0.06 R)
• M6: 2,501,127 km (0.111 R)
• M7: 3,096,826 km (0.108 R)
• M8: 4,125,460 km (0.097 R)
• M9: 4,788,927 km (0.096 R)
• M10: 5,270,034 km (0.116 R)
• M11: 6,538,923 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.2

Radius: 10.2

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.82 AU - 1.36 AU

Year: 786 Days

Day: 14.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,650,276 km

• M1: 127,009 km (0.078 R)
• M2: 656,435 km (0.101 R)
• M3: 1,050,476 km (0.099 R)
• M4: 1,506,750 km (0.048 R)
• M5: 2,193,853 km (0.115 R)
• M6: 2,586,697 km (0.028 R)
• M7: 3,223,834 km (0.034 R)
• M8: 3,689,831 km (0.091 R)
• M9: 5,137,041 km (0.11 R)
• M10: 5,556,364 km (0.08 R)
• M11: 6,464,124 km (0.068 R)
• M12: 6,999,535 km (0.062 R)
• M13: 7,932,128 km (0.067 R)
• M14: 8,598,736 km (0.026 R)
• M15: 9,301,996 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276

Radius: 8.5

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.02 AU - 1.36 AU

Year: 896 Days

Day: 11.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,650,276 km

• M1: 106,364 km (0.079 R)
• M2: 546,032 km (0.06 R)
• M3: 897,438 km (0.103 R)
• M4: 1,843,644 km (0.072 R)
• M5: 2,878,562 km (0.067 R)
• M6: 3,588,255 km (0.061 R)
• M7: 4,439,915 km (0.114 R)
• M8: 4,736,119 km (0.093 R)
• M9: 5,455,386 km (0.094 R)
• M10: 5,795,721 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.2

Radius: 10.1

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.03 AU - 2.13 AU

Year: 2071 Days

Day: 10 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,650,276 km

• M1: 130,898 km (0.066 R)
• M2: 536,458 km (0.088 R)
• M3: 1,085,781 km (0.05 R)
• M4: 1,561,503 km (0.051 R)
• M5: 2,006,407 km (0.111 R)
• M6: 2,459,239 km (0.053 R)
• M7: 2,798,378 km (0.098 R)
• M8: 3,719,452 km (0.083 R)
• M9: 4,314,403 km (0.098 R)
• M10: 5,605,731 km (0.086 R)
• M11: 6,316,770 km (0.113 R)
• M12: 10,197,040 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.5

Radius: 11.7

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.99 AU - 2.33 AU

Year: 2191 Days

Day: 5.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,650,276 km

• M1: 145,559 km (0.106 R)
• M2: 537,655 km (0.078 R)
• M3: 1,014,423 km (0.055 R)
• M4: 1,393,504 km (0.094 R)
• M5: 2,164,980 km (0.108 R)
• M6: 2,941,992 km (0.115 R)
• M7: 4,465,945 km (0.091 R)
• M8: 5,333,314 km (0.109 R)
• M9: 6,721,582 km (0.038 R)
• M10: 7,801,679 km (0.081 R)
• M11: 9,090,614 km (0.114 R)
• M12: 10,304,301 km (0.111 R)
• M13: 11,023,568 km (0.117 R)
• M14: 11,471,165 km (0.111 R)
• M15: 11,853,238 km (0.084 R)
• M16: 12,846,119 km (0.069 R)
• M17: 13,936,538 km (0.113 R)
• M18: 14,906,530 km (0.118 R)
• M19: 15,316,129 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.1

Radius: 10.7

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.83 AU - 3.25 AU

Year: 3659 Days

Day: 9.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,650,276 km

• M1: 133,142 km (0.076 R)
• M2: 551,867 km (0.082 R)
• M3: 962,064 km (0.077 R)
• M4: 1,642,884 km (0.072 R)
• M5: 2,097,961 km (0.111 R)
• M6: 2,621,104 km (0.083 R)
• M7: 3,373,133 km (0.103 R)
• M8: 3,790,361 km (0.072 R)
• M9: 4,178,269 km (0.094 R)
• M10: 4,615,094 km (0.045 R)
• M11: 5,632,958 km (0.096 R)
• M12: 6,306,149 km (0.115 R)
• M13: 7,462,690 km (0.095 R)
• M14: 9,145,666 km (0.076 R)
• M15: 10,824,453 km (0.117 R)
• M16: 12,880,227 km (0.057 R)
• M17: 13,572,865 km (0.104 R)
• M18: 15,541,573 km (0.086 R)
• M19: 16,379,920 km (0.094 R)
• M20: 17,303,387 km (0.084 R)
• M21: 17,975,979 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.9

Radius: 14.6

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.99 AU - 5.33 AU

Year: 8091 Days

Day: 12.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 96.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,650,276 km

• M1: 181,761 km (0.071 R)
• M2: 901,926 km (0.091 R)
• M3: 1,467,256 km (0.117 R)
• M4: 2,416,454 km (0.054 R)
• M5: 2,914,017 km (0.119 R)
• M6: 4,392,642 km (0.118 R)
• M7: 6,101,648 km (0.029 R)
• M8: 9,837,107 km (0.108 R)
• M9: 12,726,590 km (0.092 R)
• M10: 15,177,153 km (0.09 R)
• M11: 16,451,427 km (0.111 R)
• M12: 17,210,936 km (0.075 R)
• M13: 17,993,781 km (0.037 R)
• M14: 18,800,264 km (0.085 R)
• M15: 20,775,853 km (0.116 R)
• M16: 25,637,485 km (0.059 R)
• M17: 26,144,921 km (0.057 R)
• M18: 28,241,984 km (0.1 R)
• M19: 30,543,397 km (0.117 R)
• M20: 31,401,790 km (0.092 R)
• M21: 32,374,326 km (0.105 R)
• M22: 32,867,999 km (0.101 R)
• M23: 34,073,608 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632.3

Radius: 7.9

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.79 AU - 7.45 AU

Year: 10451 Days

Day: 16 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,650,276 km

• M1: 98,286 km (0.106 R)
• M2: 368,759 km (0.111 R)
• M3: 630,106 km (0.081 R)
• M4: 912,397 km (0.069 R)
• M5: 1,292,376 km (0.05 R)
• M6: 2,244,118 km (0.035 R)
• M7: 2,668,228 km (0.109 R)
• M8: 2,965,329 km (0.103 R)
• M9: 3,260,934 km (0.05 R)
• M10: 4,498,109 km (0.07 R)
• M11: 4,889,756 km (0.079 R)
• M12: 5,536,318 km (0.09 R)
• M13: 6,312,133 km (0.081 R)
• M14: 7,279,432 km (0.048 R)
• M15: 8,078,285 km (0.09 R)
• M16: 8,566,722 km (0.114 R)
• M17: 10,150,814 km (0.054 R)
• M18: 10,406,776 km (0.119 R)
• M19: 10,931,715 km (0.116 R)
• M20: 17,851,963 km (0.079 R)
• M21: 19,613,328 km (0.111 R)
• M22: 21,571,564 km (0.062 R)
• M23: 23,123,193 km (0.038 R)
• M24: 23,836,177 km (0.109 R)
• M25: 24,655,823 km (0.109 R)
• M26: 25,119,128 km (0.108 R)
• M27: 32,010,504 km (0.06 R)
• M28: 33,344,617 km (0.078 R)
• M29: 37,569,112 km (0.041 R)
• M30: 37,936,374 km (0.065 R)
• M31: 41,742,892 km (0.075 R)
• M32: 45,379,766 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707

Radius: 4.1

Gravity: 42.06 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.75 AU - 8.15 AU

Year: 12647 Days

Day: 22.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,650,276 km

• M1: 51,761 km (0.118 R)
• M2: 190,288 km (0.119 R)
• M3: 510,578 km (0.091 R)
• M4: 1,280,259 km (0.081 R)
• M5: 1,563,896 km (0.115 R)
• M6: 3,866,806 km (0.065 R)
• M7: 4,214,471 km (0.069 R)
• M8: 6,588,290 km (0.084 R)
• M9: 7,340,319 km (0.114 R)
• M10: 7,470,918 km (0.039 R)
• M11: 8,913,939 km (0.094 R)
• M12: 11,266,365 km (0.088 R)
• M13: 13,605,627 km (0.088 R)
• M14: 14,957,842 km (0.043 R)
• M15: 15,810,849 km (0.054 R)
• M16: 16,695,721 km (0.096 R)
• M17: 19,883,502 km (0.067 R)
• M18: 26,601,643 km (0.066 R)
• M19: 28,169,129 km (0.118 R)
• M20: 29,029,766 km (0.093 R)
• M21: 30,803,548 km (0.117 R)
• M22: 31,372,319 km (0.107 R)
• M23: 36,051,292 km (0.096 R)
• M24: 37,065,266 km (0.039 R)
• M25: 37,708,686 km (0.11 R)
• M26: 37,838,238 km (0.1 R)
• M27: 42,282,193 km (0.092 R)
• M28: 43,837,412 km (0.057 R)
• M29: 47,815,668 km (0.088 R)
• M30: 48,119,501 km (0.036 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 11,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit