🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.6

Radius: 9.8

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.72 AU - 0.74 AU

Year: 423 Days

Day: 7.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,106,377 km

• M1: 121,922 km (0.092 R)
• M2: 562,189 km (0.09 R)
• M3: 876,195 km (0.069 R)
• M4: 1,350,270 km (0.103 R)
• M5: 1,681,181 km (0.07 R)
• M6: 2,145,383 km (0.041 R)
• M7: 2,471,656 km (0.083 R)
• M8: 2,929,276 km (0.091 R)
• M9: 3,442,845 km (0.087 R)
• M10: 3,773,905 km (0.117 R)
• M11: 4,112,296 km (0.111 R)
• M12: 4,635,290 km (0.075 R)
• M13: 5,939,035 km (0.1 R)
• M14: 6,304,802 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.2

Radius: 9.8

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.98 AU - 2.24 AU

Year: 2079 Days

Day: 14.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 156.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,106,377 km

• M1: 122,072 km (0.083 R)
• M2: 450,439 km (0.117 R)
• M3: 801,545 km (0.11 R)
• M4: 1,287,140 km (0.11 R)
• M5: 1,879,996 km (0.048 R)
• M6: 2,594,925 km (0.099 R)
• M7: 3,343,512 km (0.081 R)
• M8: 3,851,397 km (0.103 R)
• M9: 4,265,484 km (0.082 R)
• M10: 4,651,895 km (0.026 R)
• M11: 5,953,995 km (0.034 R)
• M12: 6,701,685 km (0.103 R)
• M13: 7,123,701 km (0.092 R)
• M14: 8,554,305 km (0.086 R)
• M15: 9,170,948 km (0.097 R)
• M16: 9,660,582 km (0.042 R)
• M17: 10,007,200 km (0.12 R)
• M18: 10,592,427 km (0.12 R)
• M19: 11,131,578 km (0.111 R)
• M20: 12,046,668 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.3

Radius: 11.7

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.32 AU - 2.76 AU

Year: 2746 Days

Day: 5.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,106,377 km

• M1: 145,559 km (0.11 R)
• M2: 543,639 km (0.111 R)
• M3: 1,152,502 km (0.056 R)
• M4: 1,747,902 km (0.088 R)
• M5: 2,141,494 km (0.095 R)
• M6: 2,690,069 km (0.12 R)
• M7: 3,142,453 km (0.109 R)
• M8: 3,961,800 km (0.044 R)
• M9: 4,731,930 km (0.086 R)
• M10: 6,724,574 km (0.071 R)
• M11: 7,231,112 km (0.064 R)
• M12: 8,717,816 km (0.12 R)
• M13: 9,256,069 km (0.107 R)
• M14: 10,399,296 km (0.105 R)
• M15: 11,114,374 km (0.098 R)
• M16: 12,326,416 km (0.051 R)
• M17: 13,127,662 km (0.086 R)
• M18: 13,963,166 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.5

Radius: 13.6

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.34 AU - 3.72 AU

Year: 3577 Days

Day: 14.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,106,377 km

• M1: 169,195 km (0.114 R)
• M2: 995,275 km (0.101 R)
• M3: 1,672,355 km (0.037 R)
• M4: 2,174,106 km (0.085 R)
• M5: 3,109,541 km (0.12 R)
• M6: 3,568,956 km (0.105 R)
• M7: 4,367,360 km (0.085 R)
• M8: 4,871,505 km (0.1 R)
• M9: 6,967,670 km (0.082 R)
• M10: 7,456,855 km (0.094 R)
• M11: 9,412,100 km (0.118 R)
• M12: 10,011,239 km (0.03 R)
• M13: 10,678,296 km (0.086 R)
• M14: 11,241,981 km (0.103 R)
• M15: 13,497,318 km (0.111 R)
• M16: 17,483,503 km (0.034 R)
• M17: 18,699,584 km (0.047 R)
• M18: 19,201,485 km (0.064 R)
• M19: 20,036,241 km (0.096 R)
• M20: 22,545,147 km (0.106 R)
• M21: 23,185,725 km (0.046 R)
• M22: 23,619,559 km (0.069 R)
• M23: 24,280,482 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.6

Radius: 13.9

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.41 AU - 3.45 AU

Year: 4309 Days

Day: 7.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,106,377 km

• M1: 175,179 km (0.075 R)
• M2: 759,508 km (0.088 R)
• M3: 1,594,713 km (0.071 R)
• M4: 3,236,999 km (0.056 R)
• M5: 4,335,496 km (0.098 R)
• M6: 4,839,641 km (0.065 R)
• M7: 5,698,781 km (0.091 R)
• M8: 6,336,966 km (0.106 R)
• M9: 7,124,299 km (0.118 R)
• M10: 8,580,934 km (0.116 R)
• M11: 9,175,585 km (0.114 R)
• M12: 10,625,937 km (0.118 R)
• M13: 11,172,867 km (0.09 R)
• M14: 12,175,172 km (0.103 R)
• M15: 13,763,154 km (0.11 R)
• M16: 16,368,849 km (0.094 R)
• M17: 16,914,732 km (0.089 R)
• M18: 19,421,992 km (0.114 R)
• M19: 23,672,367 km (0.118 R)
• M20: 24,924,052 km (0.086 R)
• M21: 25,728,440 km (0.062 R)
• M22: 29,386,258 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.1

Radius: 11.2

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.26 AU - 4.54 AU

Year: 6260 Days

Day: 7.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,106,377 km

• M1: 139,575 km (0.109 R)
• M2: 673,190 km (0.049 R)
• M3: 1,606,382 km (0.075 R)
• M4: 2,350,631 km (0.052 R)
• M5: 3,041,325 km (0.092 R)
• M6: 3,843,468 km (0.04 R)
• M7: 5,316,260 km (0.068 R)
• M8: 6,260,820 km (0.094 R)
• M9: 7,962,047 km (0.114 R)
• M10: 8,783,041 km (0.095 R)
• M11: 9,161,822 km (0.095 R)
• M12: 10,478,433 km (0.036 R)
• M13: 11,423,742 km (0.104 R)
• M14: 11,917,415 km (0.077 R)
• M15: 13,035,659 km (0.111 R)
• M16: 14,222,569 km (0.07 R)
• M17: 15,579,870 km (0.047 R)
• M18: 15,932,323 km (0.064 R)
• M19: 17,884,575 km (0.073 R)
• M20: 19,406,285 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.1

Radius: 5.9

Gravity: 27.01 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.72 AU - 6.72 AU

Year: 9279 Days

Day: 15 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 43,106,377 km

• M1: 73,453 km (0.098 R)
• M2: 309,069 km (0.111 R)
• M3: 604,824 km (0.094 R)
• M4: 952,490 km (0.056 R)
• M5: 1,320,351 km (0.064 R)
• M6: 1,551,779 km (0.116 R)
• M7: 1,992,793 km (0.086 R)
• M8: 2,574,579 km (0.057 R)
• M9: 4,502,298 km (0.073 R)
• M10: 5,160,977 km (0.104 R)
• M11: 7,188,178 km (0.062 R)
• M12: 7,735,257 km (0.119 R)
• M13: 8,041,185 km (0.05 R)
• M14: 9,946,164 km (0.045 R)
• M15: 10,151,861 km (0.066 R)
• M16: 12,546,025 km (0.104 R)
• M17: 13,275,913 km (0.097 R)
• M18: 13,777,964 km (0.075 R)
• M19: 14,620,798 km (0.12 R)
• M20: 23,264,264 km (0.083 R)
• M21: 27,769,254 km (0.034 R)
• M22: 28,075,182 km (0.102 R)
• M23: 31,368,280 km (0.052 R)
• M24: 34,088,119 km (0.101 R)
• M25: 34,438,776 km (0.092 R)
• M26: 37,953,578 km (0.1 R)
• M27: 39,475,437 km (0.114 R)
• M28: 44,701,789 km (0.069 R)
• M29: 45,121,859 km (0.026 R)
• M30: 46,828,771 km (0.075 R)
• M31: 50,069,211 km (0.077 R)
• M32: 50,370,949 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245

Radius: 6.8

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.06 AU - 6.98 AU

Year: 10018 Days

Day: 20.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,106,377 km

• M1: 88,562 km (0.112 R)
• M2: 661,372 km (0.106 R)
• M3: 1,373,608 km (0.075 R)
• M4: 2,711,611 km (0.085 R)
• M5: 3,866,058 km (0.116 R)
• M6: 4,486,889 km (0.11 R)
• M7: 6,052,131 km (0.086 R)
• M8: 6,818,073 km (0.102 R)
• M9: 12,557,694 km (0.087 R)
• M10: 14,477,783 km (0.072 R)
• M11: 17,548,129 km (0.098 R)
• M12: 17,877,245 km (0.099 R)
• M13: 20,879,524 km (0.088 R)
• M14: 21,472,979 km (0.071 R)
• M15: 22,615,907 km (0.108 R)
• M16: 24,121,011 km (0.075 R)
• M17: 24,939,461 km (0.097 R)
• M18: 31,774,438 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.5

Radius: 7.2

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.7 AU - 9.56 AU

Year: 17195 Days

Day: 22.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,106,377 km

• M1: 92,751 km (0.103 R)
• M2: 428,598 km (0.085 R)
• M3: 828,323 km (0.075 R)
• M4: 1,322,146 km (0.027 R)
• M5: 2,046,798 km (0.069 R)
• M6: 3,231,314 km (0.085 R)
• M7: 5,058,054 km (0.117 R)
• M8: 5,498,919 km (0.055 R)
• M9: 6,243,318 km (0.091 R)
• M10: 7,848,203 km (0.113 R)
• M11: 10,242,817 km (0.101 R)
• M12: 10,642,243 km (0.088 R)
• M13: 13,378,089 km (0.09 R)
• M14: 14,159,588 km (0.109 R)
• M15: 24,597,181 km (0.041 R)
• M16: 28,416,265 km (0.107 R)
• M17: 30,313,017 km (0.082 R)
• M18: 34,024,989 km (0.108 R)
• M19: 37,910,644 km (0.102 R)
• M20: 41,955,321 km (0.082 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 16,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit