🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.2

Radius: 10.5

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.61 AU - 0.91 AU

Year: 435 Days

Day: 13.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,255,108 km

• M1: 130,599 km (0.114 R)
• M2: 462,706 km (0.076 R)
• M3: 844,031 km (0.115 R)
• M4: 1,204,861 km (0.119 R)
• M5: 2,246,810 km (0.072 R)
• M6: 2,671,519 km (0.097 R)
• M7: 3,022,625 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.8

Radius: 9.6

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.73 AU - 0.91 AU

Year: 487 Days

Day: 11.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,255,108 km

• M1: 119,379 km (0.089 R)
• M2: 431,590 km (0.066 R)
• M3: 794,065 km (0.092 R)
• M4: 1,566,888 km (0.066 R)
• M5: 2,044,405 km (0.086 R)
• M6: 2,528,952 km (0.099 R)
• M7: 3,362,811 km (0.065 R)
• M8: 3,678,462 km (0.073 R)
• M9: 5,467,054 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.4

Radius: 13

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.68 AU - 1.08 AU

Year: 542 Days

Day: 11.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,255,108 km

• M1: 161,865 km (0.089 R)
• M2: 577,597 km (0.119 R)
• M3: 1,033,871 km (0.067 R)
• M4: 1,553,723 km (0.045 R)
• M5: 1,971,550 km (0.066 R)
• M6: 3,179,852 km (0.035 R)
• M7: 3,685,344 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.9

Radius: 15

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.24 AU - 1.42 AU

Year: 1006 Days

Day: 8.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,255,108 km

• M1: 186,997 km (0.111 R)
• M2: 705,055 km (0.075 R)
• M3: 1,232,537 km (0.058 R)
• M4: 1,699,432 km (0.09 R)
• M5: 2,277,628 km (0.105 R)
• M6: 3,483,985 km (0.103 R)
• M7: 4,160,167 km (0.087 R)
• M8: 4,801,194 km (0.106 R)
• M9: 7,735,855 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.6

Radius: 10.5

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.11 AU - 1.63 AU

Year: 1052 Days

Day: 11.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,255,108 km

• M1: 130,599 km (0.12 R)
• M2: 545,135 km (0.082 R)
• M3: 1,174,942 km (0.105 R)
• M4: 1,917,845 km (0.106 R)
• M5: 2,255,936 km (0.093 R)
• M6: 2,658,504 km (0.106 R)
• M7: 3,014,846 km (0.105 R)
• M8: 3,446,885 km (0.088 R)
• M9: 4,130,996 km (0.084 R)
• M10: 4,847,719 km (0.069 R)
• M11: 5,207,053 km (0.099 R)
• M12: 5,707,009 km (0.074 R)
• M13: 6,710,811 km (0.072 R)
• M14: 7,086,152 km (0.088 R)
• M15: 8,297,745 km (0.056 R)
• M16: 8,925,009 km (0.104 R)
• M17: 9,613,010 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.8

Radius: 9.7

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.4 AU - 1.76 AU

Year: 1303 Days

Day: 5 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,255,108 km

• M1: 120,725 km (0.101 R)
• M2: 496,964 km (0.072 R)
• M3: 981,512 km (0.119 R)
• M4: 1,439,431 km (0.084 R)
• M5: 2,487,813 km (0.085 R)
• M6: 3,005,571 km (0.075 R)
• M7: 3,768,221 km (0.085 R)
• M8: 4,617,637 km (0.096 R)
• M9: 4,940,619 km (0.052 R)
• M10: 5,484,557 km (0.091 R)
• M11: 5,979,128 km (0.109 R)
• M12: 7,487,224 km (0.113 R)
• M13: 8,455,122 km (0.08 R)
• M14: 8,766,884 km (0.105 R)
• M15: 9,779,662 km (0.097 R)
• M16: 10,250,446 km (0.036 R)
• M17: 10,670,667 km (0.044 R)
• M18: 11,339,668 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.6

Radius: 8.3

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.17 AU - 3.19 AU

Year: 2878 Days

Day: 8.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,255,108 km

• M1: 103,223 km (0.065 R)
• M2: 505,342 km (0.087 R)
• M3: 1,024,596 km (0.075 R)
• M4: 1,387,520 km (0.102 R)
• M5: 1,876,556 km (0.062 R)
• M6: 2,196,695 km (0.109 R)
• M7: 2,605,247 km (0.041 R)
• M8: 2,919,253 km (0.074 R)
• M9: 3,228,172 km (0.107 R)
• M10: 3,575,090 km (0.064 R)
• M11: 5,542,601 km (0.063 R)
• M12: 5,856,757 km (0.105 R)
• M13: 7,155,565 km (0.055 R)
• M14: 7,998,699 km (0.104 R)
• M15: 8,342,325 km (0.104 R)
• M16: 8,666,055 km (0.079 R)
• M17: 9,464,459 km (0.059 R)
• M18: 10,311,033 km (0.112 R)
• M19: 10,856,617 km (0.069 R)
• M20: 11,136,514 km (0.099 R)
• M21: 12,647,453 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.6

Radius: 8.9

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.9 AU - 3.22 AU

Year: 3511 Days

Day: 7 Hours

Environment

Temp: -212 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,255,108 km

• M1: 111,899 km (0.087 R)
• M2: 400,025 km (0.115 R)
• M3: 711,637 km (0.112 R)
• M4: 1,412,503 km (0.118 R)
• M5: 3,502,086 km (0.09 R)
• M6: 4,071,904 km (0.117 R)
• M7: 5,659,886 km (0.072 R)
• M8: 6,270,694 km (0.088 R)
• M9: 7,364,404 km (0.069 R)
• M10: 9,576,657 km (0.069 R)
• M11: 10,854,821 km (0.09 R)
• M12: 13,121,678 km (0.076 R)
• M13: 14,391,016 km (0.045 R)
• M14: 20,868,454 km (0.112 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.3

Radius: 11.9

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.34 AU - 5.78 AU

Year: 8600 Days

Day: 13.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,255,108 km

• M1: 170,542 km (0.099 R)
• M2: 1,031,178 km (0.096 R)
• M3: 1,403,976 km (0.083 R)
• M4: 2,029,744 km (0.097 R)
• M5: 2,814,235 km (0.069 R)
• M6: 3,185,387 km (0.103 R)
• M7: 3,714,515 km (0.057 R)
• M8: 4,190,685 km (0.089 R)
• M9: 4,589,064 km (0.099 R)
• M10: 5,396,594 km (0.047 R)
• M11: 8,983,352 km (0.082 R)
• M12: 10,501,920 km (0.069 R)
• M13: 11,734,607 km (0.069 R)
• M14: 12,705,946 km (0.107 R)
• M15: 13,362,680 km (0.037 R)
• M16: 14,230,946 km (0.1 R)
• M17: 15,202,584 km (0.053 R)
• M18: 15,874,578 km (0.095 R)
• M19: 17,422,617 km (0.105 R)
• M20: 18,610,274 km (0.119 R)
• M21: 19,223,925 km (0.105 R)
• M22: 19,771,902 km (0.113 R)
• M23: 21,228,835 km (0.071 R)
• M24: 21,899,034 km (0.072 R)
• M25: 24,174,567 km (0.096 R)
• M26: 26,315,163 km (0.113 R)
• M27: 33,044,225 km (0.073 R)
• M28: 35,558,965 km (0.098 R)
• M29: 36,504,274 km (0.107 R)
• M30: 39,065,390 km (0.11 R)
• M31: 41,354,087 km (0.1 R)
• M32: 46,476,767 km (0.088 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.7

Radius: 8.4

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.91 AU - 6.41 AU

Year: 8834 Days

Day: 9.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 41,255,108 km

• M1: 104,419 km (0.079 R)
• M2: 423,960 km (0.047 R)
• M3: 879,037 km (0.109 R)
• M4: 1,610,271 km (0.085 R)
• M5: 2,024,358 km (0.096 R)
• M6: 2,416,454 km (0.096 R)
• M7: 2,940,645 km (0.118 R)
• M8: 3,285,768 km (0.034 R)
• M9: 3,586,011 km (0.081 R)
• M10: 4,712,483 km (0.068 R)
• M11: 5,310,276 km (0.096 R)
• M12: 5,627,573 km (0.066 R)
• M13: 6,512,444 km (0.113 R)
• M14: 7,968,480 km (0.114 R)
• M15: 9,082,236 km (0.084 R)
• M16: 11,615,377 km (0.102 R)
• M17: 13,505,546 km (0.056 R)
• M18: 13,918,885 km (0.074 R)
• M19: 15,721,240 km (0.086 R)
• M20: 16,112,738 km (0.082 R)
• M21: 18,097,453 km (0.049 R)
• M22: 19,632,626 km (0.109 R)
• M23: 20,393,331 km (0.069 R)
• M24: 20,780,939 km (0.077 R)
• M25: 23,211,157 km (0.081 R)
• M26: 24,669,287 km (0.113 R)
• M27: 27,389,575 km (0.043 R)
• M28: 28,821,975 km (0.103 R)
• M29: 29,705,051 km (0.038 R)
• M30: 32,778,988 km (0.088 R)
• M31: 33,311,107 km (0.086 R)
• M32: 33,741,052 km (0.062 R)
• M33: 34,721,666 km (0.077 R)
• M34: 38,011,024 km (0.052 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 11,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit