🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.1

Radius: 15

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.56 AU - 0.64 AU

Year: 327 Days

Day: 9.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,678,725 km

• M1: 189,541 km (0.113 R)
• M2: 716,873 km (0.09 R)
• M3: 1,218,475 km (0.097 R)
• M4: 2,112,322 km (0.09 R)
• M5: 2,770,702 km (0.05 R)
• M6: 3,608,301 km (0.119 R)
• M7: 4,290,168 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.1

Radius: 14.9

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.74 AU - 0.92 AU

Year: 532 Days

Day: 11.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,678,725 km

• M1: 185,352 km (0.097 R)
• M2: 1,173,894 km (0.113 R)
• M3: 1,669,213 km (0.066 R)
• M4: 2,299,170 km (0.096 R)
• M5: 2,833,533 km (0.046 R)
• M6: 3,505,527 km (0.084 R)
• M7: 4,170,041 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.5

Radius: 12.3

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.82 AU - 3.46 AU

Year: 3911 Days

Day: 12.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,678,725 km

• M1: 153,039 km (0.098 R)
• M2: 557,701 km (0.034 R)
• M3: 954,434 km (0.094 R)
• M4: 1,615,657 km (0.111 R)
• M5: 2,690,966 km (0.066 R)
• M6: 5,138,836 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.6

Radius: 11.6

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.25 AU - 4.81 AU

Year: 5687 Days

Day: 7.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,678,725 km

• M1: 144,362 km (0.068 R)
• M2: 524,640 km (0.077 R)
• M3: 1,140,534 km (0.109 R)
• M4: 1,634,955 km (0.069 R)
• M5: 2,523,118 km (0.109 R)
• M6: 2,889,483 km (0.093 R)
• M7: 3,333,789 km (0.073 R)
• M8: 4,209,983 km (0.1 R)
• M9: 5,619,345 km (0.098 R)
• M10: 6,349,083 km (0.103 R)
• M11: 8,797,103 km (0.114 R)
• M12: 9,430,949 km (0.074 R)
• M13: 10,323,450 km (0.059 R)
• M14: 11,125,444 km (0.094 R)
• M15: 12,224,390 km (0.116 R)
• M16: 14,233,938 km (0.071 R)
• M17: 15,347,395 km (0.114 R)
• M18: 23,919,952 km (0.118 R)
• M19: 26,002,055 km (0.109 R)
• M20: 27,842,109 km (0.113 R)
• M21: 29,394,037 km (0.032 R)
• M22: 32,074,681 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.1

Radius: 10.4

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.79 AU - 5.75 AU

Year: 7323 Days

Day: 11.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,678,725 km

• M1: 129,402 km (0.028 R)
• M2: 628,610 km (0.083 R)
• M3: 972,985 km (0.118 R)
• M4: 1,372,860 km (0.105 R)
• M5: 1,704,369 km (0.084 R)
• M6: 2,260,573 km (0.116 R)
• M7: 3,062,418 km (0.094 R)
• M8: 4,043,780 km (0.089 R)
• M9: 4,621,677 km (0.107 R)
• M10: 5,509,690 km (0.072 R)
• M11: 6,291,787 km (0.053 R)
• M12: 9,222,260 km (0.038 R)
• M13: 10,829,240 km (0.053 R)
• M14: 11,192,763 km (0.107 R)
• M15: 12,501,744 km (0.104 R)
• M16: 14,402,086 km (0.076 R)
• M17: 15,162,043 km (0.105 R)
• M18: 16,284,027 km (0.112 R)
• M19: 23,942,242 km (0.106 R)
• M20: 25,370,602 km (0.088 R)
• M21: 25,828,372 km (0.114 R)
• M22: 26,572,322 km (0.039 R)
• M23: 28,989,524 km (0.112 R)
• M24: 29,793,014 km (0.067 R)
• M25: 34,034,712 km (0.086 R)
• M26: 36,068,495 km (0.1 R)
• M27: 40,005,463 km (0.096 R)
• M28: 41,758,899 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.2

Radius: 3.7

Gravity: 36.1 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.14 AU - 5.86 AU

Year: 9067 Days

Day: 22.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,678,725 km

• M1: 62,382 km (0.104 R)
• M2: 220,208 km (0.09 R)
• M3: 353,500 km (0.062 R)
• M4: 652,247 km (0.077 R)
• M5: 1,078,750 km (0.066 R)
• M6: 1,891,665 km (0.116 R)
• M7: 4,895,441 km (0.06 R)
• M8: 5,044,141 km (0.104 R)
• M9: 8,058,089 km (0.092 R)
• M10: 8,822,086 km (0.118 R)
• M11: 8,953,881 km (0.106 R)
• M12: 10,200,630 km (0.108 R)
• M13: 10,740,080 km (0.06 R)
• M14: 12,144,505 km (0.082 R)
• M15: 13,433,739 km (0.046 R)
• M16: 16,479,103 km (0.109 R)
• M17: 17,152,593 km (0.087 R)
• M18: 18,770,643 km (0.113 R)
• M19: 23,046,898 km (0.094 R)
• M20: 26,443,817 km (0.095 R)
• M21: 28,788,315 km (0.112 R)
• M22: 35,747,010 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.4

Radius: 7.9

Gravity: 14.25 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.93 AU - 7.63 AU

Year: 12409 Days

Day: 15.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,678,725 km

• M1: 98,286 km (0.06 R)
• M2: 384,167 km (0.067 R)
• M3: 812,765 km (0.103 R)
• M4: 1,742,366 km (0.099 R)
• M5: 2,426,178 km (0.097 R)
• M6: 2,887,688 km (0.119 R)
• M7: 3,538,738 km (0.1 R)
• M8: 4,501,400 km (0.075 R)
• M9: 4,858,191 km (0.072 R)
• M10: 5,966,412 km (0.1 R)
• M11: 7,018,833 km (0.041 R)
• M12: 7,499,341 km (0.114 R)
• M13: 11,861,166 km (0.106 R)
• M14: 12,417,222 km (0.074 R)
• M15: 13,382,577 km (0.08 R)
• M16: 14,536,126 km (0.047 R)
• M17: 17,273,767 km (0.108 R)
• M18: 23,647,833 km (0.113 R)
• M19: 25,532,168 km (0.025 R)
• M20: 26,772,633 km (0.049 R)
• M21: 27,089,033 km (0.111 R)
• M22: 28,161,350 km (0.105 R)
• M23: 33,827,968 km (0.113 R)
• M24: 39,935,152 km (0.051 R)
• M25: 41,745,585 km (0.04 R)
• M26: 43,464,764 km (0.073 R)
• M27: 45,980,252 km (0.114 R)
• M28: 46,282,440 km (0.101 R)
• M29: 48,591,333 km (0.115 R)
• M30: 49,062,118 km (0.108 R)
• M31: 54,612,498 km (0.073 R)
• M32: 55,291,822 km (0.095 R)
• M33: 57,538,483 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.4

Radius: 7

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 8.3 AU - 10.06 AU

Year: 19551 Days

Day: 23.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,678,725 km

• M1: 87,066 km (0.081 R)
• M2: 408,552 km (0.115 R)
• M3: 652,396 km (0.058 R)
• M4: 1,487,152 km (0.12 R)
• M5: 2,109,480 km (0.057 R)
• M6: 6,155,204 km (0.094 R)
• M7: 7,451,620 km (0.075 R)
• M8: 8,461,106 km (0.097 R)
• M9: 10,985,869 km (0.101 R)
• M10: 11,656,816 km (0.078 R)
• M11: 13,903,177 km (0.104 R)
• M12: 14,399,094 km (0.108 R)
• M13: 16,501,393 km (0.082 R)
• M14: 18,544,152 km (0.12 R)
• M15: 23,025,955 km (0.1 R)
• M16: 30,725,907 km (0.092 R)
• M17: 31,566,946 km (0.073 R)
• M18: 32,054,336 km (0.086 R)
• M19: 39,274,976 km (0.065 R)
• M20: 41,854,791 km (0.091 R)
• M21: 47,827,786 km (0.115 R)
• M22: 52,450,061 km (0.086 R)
• M23: 54,519,149 km (0.089 R)
• M24: 63,339,888 km (0.048 R)
• M25: 66,678,763 km (0.115 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: 391 - 18,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit