🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.3

Radius: 9.7

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.55 AU - 0.89 AU

Year: 394 Days

Day: 8 Hours

Environment

Temp: -146 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,977,039 km

• M1: 122,969 km (0.095 R)
• M2: 555,756 km (0.064 R)
• M3: 976,575 km (0.105 R)
• M4: 1,393,654 km (0.059 R)
• M5: 1,706,762 km (0.07 R)
• M6: 2,440,839 km (0.102 R)
• M7: 3,020,082 km (0.1 R)
• M8: 3,407,839 km (0.051 R)
• M9: 3,841,374 km (0.108 R)
• M10: 4,242,147 km (0.064 R)
• M11: 5,143,624 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.1

Radius: 14.2

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.03 AU - 1.55 AU

Year: 946 Days

Day: 8.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,977,039 km

• M1: 176,675 km (0.056 R)
• M2: 659,577 km (0.053 R)
• M3: 1,114,504 km (0.077 R)
• M4: 1,721,273 km (0.12 R)
• M5: 2,901,750 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.3

Radius: 10

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.84 AU - 2.5 AU

Year: 2064 Days

Day: 7 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,977,039 km

• M1: 124,765 km (0.091 R)
• M2: 438,621 km (0.05 R)
• M3: 784,042 km (0.045 R)
• M4: 1,150,108 km (0.11 R)
• M5: 1,562,999 km (0.08 R)
• M6: 2,039,318 km (0.103 R)
• M7: 2,638,158 km (0.119 R)
• M8: 3,317,782 km (0.082 R)
• M9: 4,034,655 km (0.104 R)
• M10: 5,023,197 km (0.08 R)
• M11: 6,291,488 km (0.092 R)
• M12: 7,000,432 km (0.119 R)
• M13: 9,315,908 km (0.105 R)
• M14: 9,650,110 km (0.032 R)
• M15: 9,992,390 km (0.112 R)
• M16: 10,628,779 km (0.076 R)
• M17: 11,142,349 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.8

Radius: 11.6

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.87 AU - 3.89 AU

Year: 4012 Days

Day: 15 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,977,039 km

• M1: 147,504 km (0.116 R)
• M2: 600,785 km (0.084 R)
• M3: 963,410 km (0.11 R)
• M4: 1,371,513 km (0.118 R)
• M5: 2,603,601 km (0.116 R)
• M6: 4,250,674 km (0.077 R)
• M7: 4,947,650 km (0.091 R)
• M8: 6,287,299 km (0.09 R)
• M9: 6,859,810 km (0.112 R)
• M10: 7,501,735 km (0.118 R)
• M11: 8,257,354 km (0.074 R)
• M12: 10,830,736 km (0.099 R)
• M13: 14,110,071 km (0.081 R)
• M14: 16,004,579 km (0.115 R)
• M15: 17,134,192 km (0.068 R)
• M16: 18,062,896 km (0.081 R)
• M17: 19,221,382 km (0.046 R)
• M18: 23,516,785 km (0.095 R)
• M19: 26,169,156 km (0.112 R)
• M20: 28,412,974 km (0.06 R)
• M21: 29,015,105 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.6

Radius: 8.7

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.31 AU - 3.77 AU

Year: 4301 Days

Day: 7.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,977,039 km

• M1: 108,159 km (0.087 R)
• M2: 380,128 km (0.113 R)
• M3: 1,186,012 km (0.118 R)
• M4: 2,025,106 km (0.045 R)
• M5: 2,452,358 km (0.066 R)
• M6: 3,756,103 km (0.049 R)
• M7: 4,195,173 km (0.103 R)
• M8: 5,229,044 km (0.088 R)
• M9: 7,020,778 km (0.111 R)
• M10: 7,826,661 km (0.082 R)
• M11: 9,226,748 km (0.099 R)
• M12: 9,701,721 km (0.055 R)
• M13: 11,048,401 km (0.07 R)
• M14: 14,160,037 km (0.108 R)
• M15: 14,738,831 km (0.111 R)
• M16: 15,608,743 km (0.087 R)
• M17: 16,340,575 km (0.09 R)
• M18: 17,331,661 km (0.04 R)
• M19: 19,305,306 km (0.088 R)
• M20: 20,017,093 km (0.083 R)
• M21: 20,813,402 km (0.072 R)
• M22: 22,469,002 km (0.072 R)
• M23: 23,474,449 km (0.111 R)
• M24: 24,285,120 km (0.112 R)
• M25: 25,038,196 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.2

Radius: 14.3

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.47 AU - 4.04 AU

Year: 4689 Days

Day: 8.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,977,039 km

• M1: 179,817 km (0.113 R)
• M2: 709,543 km (0.04 R)
• M3: 1,488,798 km (0.063 R)
• M4: 2,075,820 km (0.119 R)
• M5: 2,869,138 km (0.108 R)
• M6: 3,317,782 km (0.084 R)
• M7: 3,770,614 km (0.095 R)
• M8: 4,431,239 km (0.113 R)
• M9: 4,983,255 km (0.025 R)
• M10: 6,442,133 km (0.086 R)
• M11: 8,429,092 km (0.116 R)
• M12: 9,121,730 km (0.105 R)
• M13: 10,146,476 km (0.114 R)
• M14: 11,429,726 km (0.093 R)
• M15: 13,998,322 km (0.109 R)
• M16: 14,479,129 km (0.108 R)
• M17: 16,455,018 km (0.104 R)
• M18: 17,172,190 km (0.116 R)
• M19: 17,847,774 km (0.092 R)
• M20: 19,317,723 km (0.111 R)
• M21: 19,914,469 km (0.081 R)
• M22: 20,660,364 km (0.079 R)
• M23: 23,232,849 km (0.081 R)
• M24: 24,828,459 km (0.03 R)
• M25: 26,253,230 km (0.065 R)
• M26: 27,398,700 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.3

Radius: 15

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.86 AU - 4.42 AU

Year: 5439 Days

Day: 12.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,977,039 km

• M1: 186,549 km (0.099 R)
• M2: 730,935 km (0.119 R)
• M3: 1,404,724 km (0.045 R)
• M4: 2,513,394 km (0.052 R)
• M5: 3,640,464 km (0.096 R)
• M6: 4,702,160 km (0.115 R)
• M7: 7,372,931 km (0.089 R)
• M8: 8,500,450 km (0.104 R)
• M9: 8,996,966 km (0.077 R)
• M10: 10,205,417 km (0.102 R)
• M11: 10,890,127 km (0.084 R)
• M12: 12,084,666 km (0.117 R)
• M13: 13,650,806 km (0.076 R)
• M14: 14,433,053 km (0.112 R)
• M15: 15,348,592 km (0.112 R)
• M16: 16,519,794 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793.7

Radius: 6.4

Gravity: 19.38 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.68 AU - 7.34 AU

Year: 10725 Days

Day: 17.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,977,039 km

• M1: 79,586 km (0.042 R)
• M2: 391,946 km (0.077 R)
• M3: 798,703 km (0.104 R)
• M4: 1,059,751 km (0.087 R)
• M5: 1,530,237 km (0.104 R)
• M6: 1,904,381 km (0.112 R)
• M7: 2,376,661 km (0.071 R)
• M8: 2,747,514 km (0.079 R)
• M9: 3,061,820 km (0.094 R)
• M10: 3,450,475 km (0.117 R)
• M11: 3,926,346 km (0.097 R)
• M12: 4,783,691 km (0.111 R)
• M13: 7,190,272 km (0.104 R)
• M14: 7,876,477 km (0.11 R)
• M15: 8,794,709 km (0.073 R)
• M16: 12,632,194 km (0.064 R)
• M17: 15,221,733 km (0.083 R)
• M18: 16,640,519 km (0.097 R)
• M19: 19,738,242 km (0.083 R)
• M20: 30,413,397 km (0.089 R)
• M21: 30,742,811 km (0.094 R)
• M22: 32,768,815 km (0.115 R)
• M23: 34,642,977 km (0.115 R)
• M24: 40,031,941 km (0.094 R)
• M25: 48,596,868 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296.5

Radius: 4.7

Gravity: 13.42 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.54 AU - 8.06 AU

Year: 11449 Days

Day: 18.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,977,039 km

• M1: 59,390 km (0.117 R)
• M2: 239,656 km (0.079 R)
• M3: 715,527 km (0.105 R)
• M4: 1,117,646 km (0.112 R)
• M5: 1,344,735 km (0.085 R)
• M6: 3,815,494 km (0.072 R)
• M7: 4,578,892 km (0.071 R)
• M8: 5,694,443 km (0.098 R)
• M9: 7,243,080 km (0.03 R)
• M10: 7,950,678 km (0.115 R)
• M11: 8,789,473 km (0.057 R)
• M12: 9,919,236 km (0.118 R)
• M13: 11,554,042 km (0.076 R)
• M14: 15,985,131 km (0.073 R)
• M15: 17,521,202 km (0.062 R)
• M16: 19,226,019 km (0.081 R)
• M17: 20,043,123 km (0.089 R)
• M18: 20,574,943 km (0.047 R)
• M19: 21,429,745 km (0.07 R)
• M20: 30,115,099 km (0.101 R)
• M21: 34,896,546 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814

Radius: 5.1

Gravity: 31.3 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.84 AU - 10.98 AU

Year: 20143 Days

Day: 18.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,977,039 km

• M1: 63,429 km (0.108 R)
• M2: 305,030 km (0.097 R)
• M3: 584,030 km (0.071 R)
• M4: 834,307 km (0.101 R)
• M5: 1,060,799 km (0.078 R)
• M6: 1,312,572 km (0.069 R)
• M7: 1,638,396 km (0.12 R)
• M8: 2,292,139 km (0.116 R)
• M9: 2,641,001 km (0.075 R)
• M10: 3,243,581 km (0.056 R)
• M11: 3,444,192 km (0.106 R)
• M12: 4,680,917 km (0.101 R)
• M13: 5,640,139 km (0.11 R)
• M14: 7,193,563 km (0.084 R)
• M15: 7,635,027 km (0.055 R)
• M16: 8,955,976 km (0.111 R)
• M17: 9,699,926 km (0.113 R)
• M18: 10,987,216 km (0.119 R)
• M19: 12,733,771 km (0.1 R)
• M20: 14,812,732 km (0.065 R)
• M21: 15,365,796 km (0.038 R)
• M22: 19,628,737 km (0.042 R)
• M23: 23,966,028 km (0.114 R)
• M24: 24,617,826 km (0.072 R)
• M25: 28,657,716 km (0.116 R)
• M26: 36,288,255 km (0.069 R)
• M27: 37,581,827 km (0.118 R)
• M28: 37,873,394 km (0.11 R)
• M29: 40,566,006 km (0.118 R)
• M30: 42,430,294 km (0.117 R)
• M31: 48,882,750 km (0.119 R)
• M32: 49,579,278 km (0.12 R)
• M33: 68,564,145 km (0.104 R)
• M34: 70,096,027 km (0.107 R)
• M35: 72,323,839 km (0.1 R)
• M36: 74,598,474 km (0.111 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 11,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit