🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.8

Radius: 14.6

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.88 AU - 0.96 AU

Year: 561 Days

Day: 11.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,620,888 km

• M1: 181,761 km (0.087 R)
• M2: 638,185 km (0.115 R)
• M3: 1,358,049 km (0.097 R)
• M4: 2,021,965 km (0.067 R)
• M5: 3,058,977 km (0.11 R)
• M6: 3,861,719 km (0.069 R)
• M7: 4,564,680 km (0.094 R)
• M8: 5,760,416 km (0.079 R)
• M9: 7,177,107 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.7

Radius: 13.4

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.61 AU - 1.99 AU

Year: 1535 Days

Day: 9.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,620,888 km

• M1: 166,802 km (0.1 R)
• M2: 626,366 km (0.11 R)
• M3: 1,050,775 km (0.08 R)
• M4: 1,544,748 km (0.112 R)
• M5: 3,267,666 km (0.072 R)
• M6: 5,049,826 km (0.109 R)
• M7: 6,859,960 km (0.048 R)
• M8: 7,633,381 km (0.085 R)
• M9: 8,145,754 km (0.1 R)
• M10: 9,412,249 km (0.093 R)
• M11: 10,367,880 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.1

Radius: 10.4

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.26 AU - 2.62 AU

Year: 2423 Days

Day: 13.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,620,888 km

• M1: 129,552 km (0.107 R)
• M2: 858,393 km (0.115 R)
• M3: 1,358,797 km (0.118 R)
• M4: 1,936,844 km (0.085 R)
• M5: 3,621,914 km (0.118 R)
• M6: 3,951,029 km (0.078 R)
• M7: 5,423,820 km (0.032 R)
• M8: 5,804,248 km (0.056 R)
• M9: 6,675,805 km (0.103 R)
• M10: 7,385,198 km (0.093 R)
• M11: 8,643,915 km (0.085 R)
• M12: 9,965,462 km (0.092 R)
• M13: 10,852,129 km (0.053 R)
• M14: 12,518,350 km (0.082 R)
• M15: 13,550,276 km (0.076 R)
• M16: 16,403,257 km (0.045 R)
• M17: 18,081,895 km (0.057 R)
• M18: 18,704,072 km (0.051 R)
• M19: 19,457,896 km (0.088 R)
• M20: 19,991,362 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.6

Radius: 8

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.83 AU - 4.61 AU

Year: 4562 Days

Day: 10 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,620,888 km

• M1: 100,679 km (0.116 R)
• M2: 379,679 km (0.079 R)
• M3: 784,940 km (0.041 R)
• M4: 2,592,082 km (0.077 R)
• M5: 3,665,597 km (0.078 R)
• M6: 4,088,959 km (0.041 R)
• M7: 5,379,240 km (0.095 R)
• M8: 5,713,891 km (0.117 R)
• M9: 5,980,773 km (0.075 R)
• M10: 8,122,566 km (0.119 R)
• M11: 11,178,402 km (0.091 R)
• M12: 16,591,002 km (0.101 R)
• M13: 18,261,262 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.6

Radius: 14.9

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.28 AU - 4.4 AU

Year: 4784 Days

Day: 13.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,620,888 km

• M1: 185,352 km (0.108 R)
• M2: 1,086,081 km (0.055 R)
• M3: 2,013,139 km (0.051 R)
• M4: 2,501,576 km (0.081 R)
• M5: 4,042,134 km (0.112 R)
• M6: 4,831,562 km (0.077 R)
• M7: 6,032,385 km (0.066 R)
• M8: 10,330,631 km (0.072 R)
• M9: 12,646,555 km (0.095 R)
• M10: 15,182,538 km (0.088 R)
• M11: 16,229,873 km (0.068 R)
• M12: 17,920,479 km (0.084 R)
• M13: 23,841,861 km (0.051 R)
• M14: 24,954,122 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.8

Radius: 14.7

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.78 AU - 4.12 AU

Year: 4991 Days

Day: 9 Hours

Environment

Temp: -208 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,620,888 km

• M1: 183,108 km (0.085 R)
• M2: 707,000 km (0.066 R)
• M3: 1,515,277 km (0.05 R)
• M4: 2,001,171 km (0.117 R)
• M5: 2,592,830 km (0.119 R)
• M6: 4,303,332 km (0.04 R)
• M7: 5,825,042 km (0.115 R)
• M8: 6,709,315 km (0.059 R)
• M9: 8,548,920 km (0.107 R)
• M10: 10,080,353 km (0.096 R)
• M11: 10,842,554 km (0.117 R)
• M12: 12,082,422 km (0.063 R)
• M13: 13,256,316 km (0.05 R)
• M14: 14,226,907 km (0.099 R)
• M15: 15,949,527 km (0.051 R)
• M16: 16,553,603 km (0.065 R)
• M17: 17,235,619 km (0.099 R)
• M18: 17,871,859 km (0.102 R)
• M19: 19,258,931 km (0.12 R)
• M20: 20,083,365 km (0.101 R)
• M21: 20,859,478 km (0.098 R)
• M22: 21,876,145 km (0.118 R)
• M23: 24,403,452 km (0.09 R)
• M24: 25,206,194 km (0.056 R)
• M25: 27,720,785 km (0.112 R)
• M26: 30,675,193 km (0.095 R)
• M27: 31,234,091 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.9

Radius: 6.5

Gravity: 23.26 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.37 AU - 7.01 AU

Year: 11002 Days

Day: 15.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,620,888 km

• M1: 81,082 km (0.104 R)
• M2: 290,968 km (0.047 R)
• M3: 514,018 km (0.028 R)
• M4: 958,474 km (0.117 R)
• M5: 1,778,419 km (0.088 R)
• M6: 2,037,822 km (0.11 R)
• M7: 2,382,346 km (0.064 R)
• M8: 2,611,680 km (0.074 R)
• M9: 3,238,046 km (0.059 R)
• M10: 3,467,679 km (0.035 R)
• M11: 3,818,635 km (0.04 R)
• M12: 4,133,988 km (0.116 R)
• M13: 4,655,336 km (0.106 R)
• M14: 5,219,769 km (0.071 R)
• M15: 8,217,710 km (0.078 R)
• M16: 8,743,996 km (0.042 R)
• M17: 8,990,682 km (0.116 R)
• M18: 9,394,746 km (0.098 R)
• M19: 9,705,760 km (0.103 R)
• M20: 11,365,100 km (0.078 R)
• M21: 11,957,807 km (0.103 R)
• M22: 15,809,054 km (0.105 R)
• M23: 16,101,668 km (0.095 R)
• M24: 17,308,324 km (0.093 R)
• M25: 21,288,974 km (0.12 R)
• M26: 22,648,070 km (0.107 R)
• M27: 27,490,105 km (0.119 R)
• M28: 30,999,222 km (0.12 R)
• M29: 36,677,359 km (0.112 R)
• M30: 40,097,914 km (0.073 R)
• M31: 46,211,680 km (0.046 R)
• M32: 50,351,951 km (0.096 R)
• M33: 57,101,208 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.5

Radius: 6.5

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.82 AU - 9.06 AU

Year: 14225 Days

Day: 22.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 91.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,620,888 km

• M1: 80,783 km (0.108 R)
• M2: 596,148 km (0.11 R)
• M3: 897,438 km (0.092 R)
• M4: 1,221,616 km (0.049 R)
• M5: 1,606,681 km (0.109 R)
• M6: 1,912,160 km (0.113 R)
• M7: 2,927,331 km (0.096 R)
• M8: 3,973,020 km (0.085 R)
• M9: 4,785,187 km (0.097 R)
• M10: 5,703,269 km (0.089 R)
• M11: 6,937,302 km (0.092 R)
• M12: 11,928,785 km (0.036 R)
• M13: 13,666,065 km (0.1 R)
• M14: 15,778,835 km (0.047 R)
• M15: 17,633,999 km (0.066 R)
• M16: 20,130,488 km (0.096 R)
• M17: 22,579,405 km (0.069 R)
• M18: 23,969,768 km (0.073 R)
• M19: 25,712,284 km (0.118 R)
• M20: 30,324,087 km (0.092 R)
• M21: 33,647,703 km (0.097 R)
• M22: 34,847,777 km (0.09 R)
• M23: 46,960,716 km (0.034 R)
• M24: 52,500,774 km (0.09 R)
• M25: 53,141,951 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.2

Radius: 3.3

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 8.22 AU - 9.62 AU

Year: 16939 Days

Day: 15.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,620,888 km

• M1: 41,139 km (0.112 R)
• M2: 197,469 km (0.101 R)
• M3: 346,469 km (0.071 R)
• M4: 1,822,551 km (0.098 R)
• M5: 2,143,887 km (0.063 R)
• M6: 2,606,145 km (0.109 R)
• M7: 5,154,843 km (0.049 R)
• M8: 6,679,994 km (0.062 R)
• M9: 9,410,005 km (0.081 R)
• M10: 15,023,217 km (0.103 R)
• M11: 15,777,938 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.2

Radius: 7

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 8.86 AU - 12.74 AU

Year: 22567 Days

Day: 16.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,620,888 km

• M1: 123,867 km (0.074 R)
• M2: 398,678 km (0.108 R)
• M3: 815,458 km (0.105 R)
• M4: 1,055,263 km (0.093 R)
• M5: 1,327,831 km (0.032 R)
• M6: 2,243,968 km (0.109 R)
• M7: 2,603,901 km (0.109 R)
• M8: 3,526,620 km (0.068 R)
• M9: 5,161,725 km (0.098 R)
• M10: 7,246,970 km (0.11 R)
• M11: 7,782,530 km (0.025 R)
• M12: 11,306,457 km (0.095 R)
• M13: 11,959,901 km (0.063 R)
• M14: 17,859,443 km (0.114 R)
• M15: 20,412,031 km (0.087 R)
• M16: 22,991,248 km (0.089 R)
• M17: 29,026,475 km (0.055 R)
• M18: 31,378,453 km (0.101 R)
• M19: 31,889,329 km (0.114 R)
• M20: 32,405,741 km (0.102 R)
• M21: 33,588,013 km (0.117 R)
• M22: 35,483,867 km (0.113 R)
• M23: 38,314,259 km (0.063 R)
• M24: 43,150,309 km (0.092 R)
• M25: 46,867,218 km (0.055 R)
• M26: 49,575,089 km (0.096 R)
• M27: 53,466,429 km (0.116 R)
• M28: 60,265,053 km (0.078 R)
• M29: 61,451,514 km (0.09 R)
• M30: 62,653,383 km (0.08 R)
• M31: 63,057,447 km (0.084 R)
• M32: 69,545,058 km (0.101 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: 526 - 17,598 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit