🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.4

Radius: 11.7

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.99 AU - 1.19 AU

Year: 747 Days

Day: 5.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,494,369 km

• M1: 145,559 km (0.037 R)
• M2: 649,853 km (0.068 R)
• M3: 1,275,322 km (0.047 R)
• M4: 1,643,482 km (0.074 R)
• M5: 2,214,198 km (0.116 R)
• M6: 2,933,165 km (0.107 R)
• M7: 3,859,326 km (0.063 R)

Asteroid Belt

Center: 1.57 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946

Radius: 10

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.99 AU - 2.09 AU

Year: 1911 Days

Day: 8.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 91.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,494,369 km

• M1: 124,316 km (0.083 R)
• M2: 466,745 km (0.074 R)
• M3: 827,875 km (0.1 R)
• M4: 1,284,148 km (0.07 R)
• M5: 1,705,715 km (0.04 R)
• M6: 2,081,654 km (0.106 R)
• M7: 2,430,068 km (0.04 R)
• M8: 3,082,614 km (0.079 R)
• M9: 3,663,502 km (0.077 R)
• M10: 4,038,395 km (0.118 R)
• M11: 4,887,811 km (0.083 R)
• M12: 5,437,883 km (0.087 R)
• M13: 6,182,880 km (0.102 R)
• M14: 7,022,722 km (0.065 R)
• M15: 7,514,600 km (0.09 R)
• M16: 8,502,844 km (0.117 R)
• M17: 9,265,045 km (0.032 R)
• M18: 9,892,758 km (0.084 R)
• M19: 10,474,394 km (0.077 R)
• M20: 11,233,304 km (0.04 R)
• M21: 11,745,976 km (0.088 R)
• M22: 12,860,480 km (0.11 R)
• M23: 13,999,070 km (0.093 R)
• M24: 14,454,445 km (0.051 R)
• M25: 17,138,082 km (0.112 R)
• M26: 17,501,904 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.4

Radius: 9.9

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.26 AU - 3.62 AU

Year: 3307 Days

Day: 11.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,494,369 km

• M1: 155,432 km (0.082 R)
• M2: 550,969 km (0.083 R)
• M3: 986,149 km (0.028 R)
• M4: 1,479,373 km (0.097 R)
• M5: 1,916,498 km (0.036 R)
• M6: 2,532,094 km (0.073 R)
• M7: 2,930,173 km (0.11 R)
• M8: 3,748,474 km (0.074 R)
• M9: 5,008,836 km (0.109 R)
• M10: 5,833,419 km (0.101 R)
• M11: 6,932,964 km (0.088 R)
• M12: 7,482,287 km (0.115 R)
• M13: 7,887,249 km (0.075 R)
• M14: 10,759,378 km (0.083 R)
• M15: 11,585,009 km (0.118 R)
• M16: 13,658,585 km (0.11 R)
• M17: 16,358,378 km (0.036 R)
• M18: 17,215,723 km (0.088 R)
• M19: 18,772,289 km (0.117 R)
• M20: 19,082,106 km (0.105 R)
• M21: 20,880,422 km (0.077 R)
• M22: 22,648,968 km (0.106 R)
• M23: 24,811,256 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.1

Radius: 12.1

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.25 AU - 4.23 AU

Year: 4745 Days

Day: 9.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,494,369 km

• M1: 150,495 km (0.09 R)
• M2: 749,785 km (0.052 R)
• M3: 1,345,034 km (0.098 R)
• M4: 1,758,523 km (0.08 R)
• M5: 2,257,881 km (0.058 R)
• M6: 3,946,691 km (0.103 R)
• M7: 5,475,731 km (0.095 R)
• M8: 7,728,076 km (0.109 R)
• M9: 8,328,113 km (0.12 R)
• M10: 9,834,863 km (0.106 R)
• M11: 11,231,509 km (0.063 R)
• M12: 11,757,495 km (0.098 R)
• M13: 12,150,339 km (0.058 R)
• M14: 12,602,873 km (0.116 R)
• M15: 17,576,254 km (0.106 R)
• M16: 18,482,967 km (0.102 R)
• M17: 19,625,745 km (0.088 R)
• M18: 20,319,580 km (0.093 R)
• M19: 21,903,522 km (0.112 R)
• M20: 23,801,769 km (0.096 R)
• M21: 25,315,999 km (0.112 R)
• M22: 26,556,165 km (0.083 R)
• M23: 28,624,057 km (0.093 R)
• M24: 30,427,609 km (0.095 R)
• M25: 31,263,412 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.7

Radius: 11.2

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.91 AU - 4.39 AU

Year: 5546 Days

Day: 6.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,494,369 km

• M1: 167,550 km (0.089 R)
• M2: 1,086,230 km (0.093 R)
• M3: 1,687,913 km (0.109 R)
• M4: 2,269,848 km (0.05 R)
• M5: 2,798,976 km (0.079 R)
• M6: 3,428,035 km (0.078 R)
• M7: 5,468,550 km (0.081 R)
• M8: 7,080,467 km (0.066 R)
• M9: 7,488,720 km (0.092 R)
• M10: 13,409,504 km (0.07 R)
• M11: 22,073,764 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.5

Radius: 12

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.08 AU - 4.22 AU

Year: 5546 Days

Day: 8 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,494,369 km

• M1: 150,196 km (0.115 R)
• M2: 602,131 km (0.063 R)
• M3: 1,462,768 km (0.104 R)
• M4: 2,229,756 km (0.11 R)
• M5: 3,311,349 km (0.043 R)
• M6: 3,958,360 km (0.054 R)
• M7: 4,795,659 km (0.059 R)
• M8: 6,155,204 km (0.108 R)
• M9: 7,570,550 km (0.096 R)
• M10: 8,574,202 km (0.12 R)
• M11: 9,752,136 km (0.083 R)
• M12: 10,987,365 km (0.096 R)
• M13: 12,324,172 km (0.117 R)
• M14: 14,158,391 km (0.054 R)
• M15: 16,291,956 km (0.092 R)
• M16: 17,828,326 km (0.045 R)
• M17: 32,955,962 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343

Radius: 10.1

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.1 AU - 5.32 AU

Year: 7801 Days

Day: 14.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,494,369 km

• M1: 147,504 km (0.087 R)
• M2: 765,044 km (0.115 R)
• M3: 1,178,532 km (0.059 R)
• M4: 1,688,062 km (0.062 R)
• M5: 2,275,832 km (0.097 R)
• M6: 3,882,663 km (0.034 R)
• M7: 8,990,234 km (0.067 R)
• M8: 11,005,317 km (0.105 R)
• M9: 12,727,936 km (0.112 R)
• M10: 19,101,554 km (0.048 R)
• M11: 19,649,531 km (0.107 R)
• M12: 22,929,614 km (0.08 R)
• M13: 24,258,492 km (0.115 R)
• M14: 26,473,438 km (0.117 R)
• M15: 29,089,007 km (0.075 R)
• M16: 29,906,110 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586

Radius: 7.3

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.87 AU - 7.33 AU

Year: 9883 Days

Day: 16.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,494,369 km

• M1: 90,806 km (0.039 R)
• M2: 371,452 km (0.095 R)
• M3: 610,958 km (0.09 R)
• M4: 929,302 km (0.092 R)
• M5: 1,271,133 km (0.079 R)
• M6: 1,581,100 km (0.111 R)
• M7: 2,662,094 km (0.12 R)
• M8: 2,909,978 km (0.027 R)
• M9: 3,525,274 km (0.105 R)
• M10: 3,774,055 km (0.093 R)
• M11: 4,061,283 km (0.108 R)
• M12: 4,889,158 km (0.033 R)
• M13: 5,199,424 km (0.111 R)
• M14: 5,622,187 km (0.088 R)
• M15: 5,859,150 km (0.093 R)
• M16: 6,723,078 km (0.099 R)
• M17: 8,881,925 km (0.101 R)
• M18: 10,317,915 km (0.057 R)
• M19: 12,579,236 km (0.104 R)
• M20: 18,127,821 km (0.054 R)
• M21: 20,660,962 km (0.108 R)
• M22: 21,969,943 km (0.056 R)
• M23: 23,859,065 km (0.119 R)
• M24: 29,252,517 km (0.06 R)
• M25: 39,458,234 km (0.115 R)
• M26: 40,204,129 km (0.113 R)
• M27: 41,340,624 km (0.081 R)
• M28: 41,981,052 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.1

Radius: 6.1

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.86 AU - 7.98 AU

Year: 13259 Days

Day: 21.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,494,369 km

• M1: 75,996 km (0.11 R)
• M2: 473,627 km (0.099 R)
• M3: 665,561 km (0.061 R)
• M4: 1,461,122 km (0.074 R)
• M5: 1,724,415 km (0.063 R)
• M6: 2,081,804 km (0.097 R)
• M7: 2,825,305 km (0.049 R)
• M8: 3,433,570 km (0.052 R)
• M9: 5,623,982 km (0.08 R)
• M10: 5,845,836 km (0.099 R)
• M11: 6,273,536 km (0.097 R)
• M12: 7,643,554 km (0.06 R)
• M13: 9,115,148 km (0.071 R)
• M14: 11,458,599 km (0.073 R)
• M15: 11,971,270 km (0.112 R)
• M16: 12,606,463 km (0.096 R)
• M17: 16,123,659 km (0.046 R)
• M18: 22,150,358 km (0.065 R)
• M19: 22,625,032 km (0.094 R)
• M20: 22,945,321 km (0.096 R)
• M21: 24,591,945 km (0.109 R)
• M22: 27,751,602 km (0.103 R)
• M23: 29,144,508 km (0.058 R)
• M24: 30,876,552 km (0.088 R)
• M25: 31,767,856 km (0.109 R)
• M26: 34,969,250 km (0.095 R)
• M27: 35,720,680 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664

Radius: 3.1

Gravity: 69.09 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.42 AU - 8.26 AU

Year: 14401 Days

Day: 20 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,494,369 km

• M1: 38,596 km (0.098 R)
• M2: 320,139 km (0.09 R)
• M3: 440,267 km (0.101 R)
• M4: 566,976 km (0.064 R)
• M5: 699,968 km (0.113 R)
• M6: 863,928 km (0.055 R)
• M7: 1,176,438 km (0.115 R)
• M8: 1,497,774 km (0.031 R)
• M9: 1,654,552 km (0.114 R)
• M10: 1,928,167 km (0.053 R)
• M11: 3,026,963 km (0.116 R)
• M12: 7,107,694 km (0.081 R)
• M13: 7,778,341 km (0.088 R)
• M14: 8,687,148 km (0.076 R)
• M15: 9,348,221 km (0.056 R)
• M16: 16,564,673 km (0.104 R)
• M17: 18,384,681 km (0.097 R)
• M18: 23,460,387 km (0.117 R)
• M19: 25,543,388 km (0.041 R)
• M20: 29,732,577 km (0.086 R)
• M21: 33,128,598 km (0.09 R)
• M22: 38,626,170 km (0.095 R)
• M23: 39,711,802 km (0.116 R)
• M24: 42,228,487 km (0.086 R)
• M25: 50,412,687 km (0.093 R)
• M26: 56,072,573 km (0.116 R)
• M27: 57,638,713 km (0.051 R)
• M28: 57,990,567 km (0.08 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 19,008 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit