🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.3

Radius: 12.5

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.74 AU - 0.8 AU

Year: 443 Days

Day: 6.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,380,764 km

• M1: 155,432 km (0.119 R)
• M2: 669,002 km (0.096 R)
• M3: 1,110,315 km (0.115 R)
• M4: 2,273,439 km (0.074 R)
• M5: 2,813,038 km (0.079 R)
• M6: 3,491,315 km (0.073 R)
• M7: 4,115,437 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.8

Radius: 11.3

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.53 AU - 1.67 AU

Year: 1328 Days

Day: 13.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,380,764 km

• M1: 140,472 km (0.107 R)
• M2: 814,411 km (0.06 R)
• M3: 1,428,660 km (0.101 R)
• M4: 1,780,813 km (0.09 R)
• M5: 2,433,509 km (0.09 R)
• M6: 2,872,279 km (0.101 R)
• M7: 3,254,950 km (0.081 R)
• M8: 5,248,342 km (0.044 R)
• M9: 5,755,778 km (0.099 R)
• M10: 6,127,978 km (0.057 R)
• M11: 6,946,727 km (0.037 R)
• M12: 7,477,650 km (0.093 R)
• M13: 8,006,777 km (0.119 R)
• M14: 9,745,703 km (0.094 R)
• M15: 10,208,858 km (0.062 R)
• M16: 10,582,853 km (0.102 R)
• M17: 11,576,781 km (0.08 R)
• M18: 11,983,837 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.3

Radius: 9.5

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.42 AU - 2.06 AU

Year: 1506 Days

Day: 9.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,380,764 km

• M1: 118,332 km (0.1 R)
• M2: 460,313 km (0.072 R)
• M3: 929,302 km (0.083 R)
• M4: 1,254,528 km (0.109 R)
• M5: 1,806,095 km (0.106 R)
• M6: 2,488,112 km (0.035 R)
• M7: 2,882,452 km (0.047 R)
• M8: 3,653,629 km (0.116 R)
• M9: 4,761,251 km (0.096 R)
• M10: 5,089,918 km (0.104 R)
• M11: 5,496,226 km (0.115 R)
• M12: 6,259,325 km (0.092 R)
• M13: 6,846,347 km (0.118 R)
• M14: 7,190,870 km (0.103 R)
• M15: 7,598,824 km (0.094 R)
• M16: 8,772,270 km (0.087 R)
• M17: 9,387,416 km (0.117 R)
• M18: 10,967,917 km (0.045 R)
• M19: 11,406,239 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.6

Radius: 12

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.7 AU - 2.6 AU

Year: 2068 Days

Day: 6.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,380,764 km

• M1: 149,448 km (0.04 R)
• M2: 523,443 km (0.117 R)
• M3: 1,317,658 km (0.079 R)
• M4: 1,851,274 km (0.072 R)
• M5: 2,549,597 km (0.088 R)
• M6: 3,516,448 km (0.06 R)
• M7: 4,044,827 km (0.108 R)
• M8: 5,318,952 km (0.101 R)
• M9: 5,914,053 km (0.085 R)
• M10: 6,575,425 km (0.105 R)
• M11: 7,097,372 km (0.105 R)
• M12: 7,500,837 km (0.095 R)
• M13: 8,967,196 km (0.118 R)
• M14: 9,840,847 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.3

Radius: 13.2

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.28 AU - 2.44 AU

Year: 2378 Days

Day: 5.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,380,764 km

• M1: 164,258 km (0.092 R)
• M2: 639,381 km (0.107 R)
• M3: 1,115,252 km (0.039 R)
• M4: 1,724,265 km (0.099 R)
• M5: 2,755,892 km (0.085 R)
• M6: 3,339,473 km (0.113 R)
• M7: 3,773,457 km (0.028 R)
• M8: 4,369,604 km (0.089 R)
• M9: 5,751,440 km (0.101 R)
• M10: 7,317,430 km (0.051 R)
• M11: 9,013,721 km (0.076 R)
• M12: 9,467,152 km (0.037 R)
• M13: 10,382,092 km (0.052 R)
• M14: 10,841,806 km (0.114 R)
• M15: 11,355,226 km (0.08 R)
• M16: 11,843,514 km (0.12 R)
• M17: 15,814,440 km (0.088 R)
• M18: 17,799,005 km (0.114 R)
• M19: 18,851,276 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541

Radius: 10.5

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.01 AU - 3.01 AU

Year: 2609 Days

Day: 7 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,380,764 km

• M1: 131,048 km (0.093 R)
• M2: 524,789 km (0.072 R)
• M3: 887,415 km (0.063 R)
• M4: 1,237,324 km (0.034 R)
• M5: 1,618,948 km (0.093 R)
• M6: 1,995,037 km (0.049 R)
• M7: 2,362,001 km (0.117 R)
• M8: 3,762,835 km (0.107 R)
• M9: 4,794,313 km (0.08 R)
• M10: 6,476,989 km (0.115 R)
• M11: 8,265,432 km (0.034 R)
• M12: 9,709,799 km (0.03 R)
• M13: 11,915,620 km (0.113 R)
• M14: 15,625,198 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.7

Radius: 10.4

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.17 AU - 3.05 AU

Year: 2766 Days

Day: 12.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,380,764 km

• M1: 129,402 km (0.082 R)
• M2: 641,176 km (0.058 R)
• M3: 1,049,130 km (0.103 R)
• M4: 1,904,530 km (0.094 R)
• M5: 2,431,414 km (0.107 R)
• M6: 3,189,875 km (0.102 R)
• M7: 3,568,358 km (0.061 R)
• M8: 4,037,497 km (0.045 R)
• M9: 4,958,122 km (0.106 R)
• M10: 6,012,787 km (0.11 R)
• M11: 7,332,839 km (0.068 R)
• M12: 7,963,394 km (0.105 R)
• M13: 8,358,931 km (0.073 R)
• M14: 8,906,608 km (0.12 R)
• M15: 9,332,962 km (0.079 R)
• M16: 10,226,660 km (0.099 R)
• M17: 10,654,959 km (0.1 R)
• M18: 11,176,457 km (0.044 R)
• M19: 12,843,725 km (0.117 R)
• M20: 13,250,931 km (0.11 R)
• M21: 14,138,944 km (0.104 R)
• M22: 14,475,838 km (0.027 R)
• M23: 16,399,816 km (0.101 R)
• M24: 18,603,243 km (0.1 R)
• M25: 19,242,176 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785

Radius: 9.4

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.4 AU - 3.72 AU

Year: 3511 Days

Day: 11.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,380,764 km

• M1: 116,986 km (0.114 R)
• M2: 579,393 km (0.025 R)
• M3: 1,295,667 km (0.091 R)
• M4: 2,321,460 km (0.12 R)
• M5: 3,149,185 km (0.078 R)
• M6: 4,575,002 km (0.075 R)
• M7: 5,246,397 km (0.05 R)
• M8: 5,757,274 km (0.041 R)
• M9: 7,067,901 km (0.078 R)
• M10: 7,759,193 km (0.082 R)
• M11: 8,935,780 km (0.045 R)
• M12: 9,508,291 km (0.082 R)
• M13: 10,350,677 km (0.079 R)
• M14: 12,697,269 km (0.071 R)
• M15: 13,176,730 km (0.059 R)
• M16: 16,480,300 km (0.113 R)
• M17: 19,911,925 km (0.065 R)
• M18: 21,422,116 km (0.059 R)
• M19: 22,866,483 km (0.114 R)
• M20: 24,521,634 km (0.072 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.7

Radius: 14

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.61 AU - 5.35 AU

Year: 6221 Days

Day: 9 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,380,764 km

• M1: 174,730 km (0.088 R)
• M2: 1,141,881 km (0.105 R)
• M3: 1,653,356 km (0.059 R)
• M4: 2,511,898 km (0.038 R)
• M5: 4,266,531 km (0.098 R)
• M6: 4,766,039 km (0.088 R)
• M7: 5,360,840 km (0.112 R)
• M8: 6,004,859 km (0.12 R)
• M9: 8,832,408 km (0.092 R)
• M10: 9,481,513 km (0.098 R)
• M11: 10,966,870 km (0.093 R)
• M12: 12,154,528 km (0.051 R)
• M13: 15,010,501 km (0.057 R)
• M14: 17,838,050 km (0.119 R)
• M15: 22,757,127 km (0.071 R)
• M16: 23,210,259 km (0.104 R)
• M17: 23,746,568 km (0.118 R)
• M18: 26,971,449 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.9

Radius: 4.2

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.09 AU - 7.97 AU

Year: 13555 Days

Day: 17.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 40,380,764 km

• M1: 52,958 km (0.1 R)
• M2: 193,879 km (0.104 R)
• M3: 511,625 km (0.072 R)
• M4: 652,546 km (0.113 R)
• M5: 1,005,597 km (0.097 R)
• M6: 1,141,133 km (0.103 R)
• M7: 1,488,349 km (0.08 R)
• M8: 1,751,791 km (0.097 R)
• M9: 2,128,329 km (0.104 R)
• M10: 2,335,821 km (0.091 R)
• M11: 3,487,575 km (0.086 R)
• M12: 3,776,449 km (0.041 R)
• M13: 3,977,658 km (0.086 R)
• M14: 4,973,232 km (0.048 R)
• M15: 5,401,830 km (0.037 R)
• M16: 6,761,824 km (0.081 R)
• M17: 8,002,439 km (0.056 R)
• M18: 8,850,659 km (0.119 R)
• M19: 9,478,820 km (0.108 R)
• M20: 11,858,623 km (0.106 R)
• M21: 12,290,512 km (0.109 R)
• M22: 13,825,686 km (0.046 R)
• M23: 19,411,820 km (0.045 R)
• M24: 20,777,947 km (0.116 R)
• M25: 21,168,547 km (0.032 R)
• M26: 24,557,687 km (0.073 R)
• M27: 25,524,837 km (0.104 R)
• M28: 26,153,448 km (0.047 R)
• M29: 26,517,270 km (0.091 R)
• M30: 30,242,706 km (0.079 R)
• M31: 30,643,478 km (0.07 R)
• M32: 32,386,293 km (0.098 R)
• M33: 33,228,829 km (0.108 R)
• M34: 36,518,486 km (0.107 R)
• M35: 36,972,964 km (0.069 R)
• M36: 37,661,563 km (0.109 R)
• M37: 38,358,839 km (0.106 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: 212 - 10,321 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit