🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.2

Radius: 12.2

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.79 AU - 0.95 AU

Year: 560 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,005,069 km

• M1: 154,235 km (0.111 R)
• M2: 598,242 km (0.115 R)
• M3: 988,842 km (0.034 R)
• M4: 1,400,386 km (0.118 R)
• M5: 2,011,194 km (0.094 R)
• M6: 2,462,680 km (0.082 R)
• M7: 2,931,669 km (0.095 R)
• M8: 3,327,805 km (0.084 R)
• M9: 4,573,057 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844

Radius: 11.7

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.82 AU - 1.08 AU

Year: 639 Days

Day: 11.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,005,069 km

• M1: 145,559 km (0.094 R)
• M2: 550,969 km (0.099 R)
• M3: 1,130,062 km (0.095 R)
• M4: 1,570,179 km (0.11 R)
• M5: 1,959,134 km (0.102 R)
• M6: 2,750,357 km (0.095 R)
• M7: 3,195,111 km (0.045 R)
• M8: 3,829,257 km (0.075 R)
• M9: 4,354,794 km (0.111 R)
• M10: 5,242,059 km (0.12 R)
• M11: 5,853,166 km (0.066 R)
• M12: 6,890,328 km (0.057 R)
• M13: 7,284,519 km (0.1 R)
• M14: 7,693,519 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.3

Radius: 9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.94 AU - 1.12 AU

Year: 722 Days

Day: 7.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,005,069 km

• M1: 115,190 km (0.113 R)
• M2: 460,013 km (0.061 R)
• M3: 791,672 km (0.076 R)
• M4: 1,161,478 km (0.118 R)
• M5: 1,609,075 km (0.114 R)
• M6: 1,918,892 km (0.111 R)
• M7: 2,430,367 km (0.092 R)
• M8: 2,713,556 km (0.12 R)
• M9: 3,408,438 km (0.1 R)
• M10: 3,738,750 km (0.089 R)
• M11: 4,090,305 km (0.118 R)
• M12: 4,449,190 km (0.056 R)
• M13: 4,860,285 km (0.091 R)
• M14: 5,794,225 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.3

Radius: 11

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.83 AU - 1.35 AU

Year: 786 Days

Day: 6.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,005,069 km

• M1: 136,732 km (0.109 R)
• M2: 491,878 km (0.101 R)
• M3: 935,136 km (0.095 R)
• M4: 1,445,415 km (0.104 R)
• M5: 1,833,472 km (0.059 R)
• M6: 2,184,428 km (0.067 R)
• M7: 3,467,080 km (0.109 R)
• M8: 3,923,055 km (0.06 R)
• M9: 4,641,872 km (0.076 R)
• M10: 5,410,057 km (0.06 R)
• M11: 6,221,476 km (0.099 R)
• M12: 6,625,690 km (0.089 R)
• M13: 7,221,089 km (0.078 R)
• M14: 7,622,311 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.4

Radius: 11.8

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.86 AU - 2.1 AU

Year: 1923 Days

Day: 10.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,005,069 km

• M1: 148,850 km (0.115 R)
• M2: 562,488 km (0.107 R)
• M3: 1,045,839 km (0.103 R)
• M4: 1,610,271 km (0.084 R)
• M5: 2,670,172 km (0.102 R)
• M6: 3,266,021 km (0.106 R)
• M7: 3,774,055 km (0.115 R)
• M8: 4,449,190 km (0.115 R)
• M9: 4,991,333 km (0.056 R)
• M10: 5,852,269 km (0.094 R)
• M11: 7,231,262 km (0.118 R)
• M12: 8,215,167 km (0.111 R)
• M13: 8,940,118 km (0.093 R)
• M14: 9,641,583 km (0.118 R)
• M15: 10,242,368 km (0.103 R)
• M16: 10,656,754 km (0.043 R)
• M17: 11,704,687 km (0.087 R)
• M18: 12,388,798 km (0.085 R)
• M19: 13,464,856 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.1

Radius: 13.3

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.75 AU - 3.33 AU

Year: 3659 Days

Day: 11.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,005,069 km

• M1: 165,605 km (0.106 R)
• M2: 642,074 km (0.119 R)
• M3: 1,244,505 km (0.084 R)
• M4: 1,789,340 km (0.092 R)
• M5: 2,313,232 km (0.083 R)
• M6: 2,983,580 km (0.042 R)
• M7: 3,728,129 km (0.1 R)
• M8: 4,163,907 km (0.107 R)
• M9: 4,593,403 km (0.081 R)
• M10: 5,182,968 km (0.117 R)
• M11: 6,748,659 km (0.118 R)
• M12: 8,425,352 km (0.063 R)
• M13: 9,879,892 km (0.045 R)
• M14: 11,533,846 km (0.104 R)
• M15: 12,869,905 km (0.098 R)
• M16: 13,830,772 km (0.11 R)
• M17: 14,749,303 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873

Radius: 11.6

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.2 AU - 4.84 AU

Year: 6633 Days

Day: 11.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,005,069 km

• M1: 146,905 km (0.05 R)
• M2: 508,932 km (0.072 R)
• M3: 936,782 km (0.097 R)
• M4: 1,340,397 km (0.109 R)
• M5: 2,254,440 km (0.081 R)
• M6: 2,918,505 km (0.115 R)
• M7: 3,927,842 km (0.098 R)
• M8: 4,445,450 km (0.033 R)
• M9: 5,008,238 km (0.093 R)
• M10: 5,399,137 km (0.1 R)
• M11: 6,449,463 km (0.116 R)
• M12: 8,608,310 km (0.108 R)
• M13: 10,419,791 km (0.079 R)
• M14: 12,527,326 km (0.098 R)
• M15: 13,479,367 km (0.055 R)
• M16: 17,093,053 km (0.12 R)
• M17: 17,775,518 km (0.118 R)
• M18: 20,765,082 km (0.077 R)
• M19: 24,759,196 km (0.088 R)
• M20: 25,456,621 km (0.12 R)
• M21: 25,899,131 km (0.094 R)
• M22: 30,611,165 km (0.087 R)
• M23: 36,645,943 km (0.043 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.8

Radius: 3.9

Gravity: 39.76 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.62 AU - 6.62 AU

Year: 10451 Days

Day: 15.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,005,069 km

• M1: 48,470 km (0.1 R)
• M2: 333,753 km (0.09 R)
• M3: 538,552 km (0.069 R)
• M4: 1,021,604 km (0.104 R)
• M5: 1,733,091 km (0.059 R)
• M6: 2,685,581 km (0.087 R)
• M7: 3,144,697 km (0.112 R)
• M8: 4,534,012 km (0.099 R)
• M9: 5,512,532 km (0.043 R)
• M10: 6,510,200 km (0.046 R)
• M11: 8,135,731 km (0.114 R)
• M12: 9,422,571 km (0.068 R)
• M13: 10,114,162 km (0.056 R)
• M14: 10,420,688 km (0.115 R)
• M15: 12,047,117 km (0.05 R)
• M16: 16,837,390 km (0.091 R)
• M17: 17,927,210 km (0.11 R)
• M18: 20,005,873 km (0.07 R)
• M19: 20,246,426 km (0.116 R)
• M20: 21,393,991 km (0.078 R)
• M21: 23,372,423 km (0.056 R)
• M22: 25,003,339 km (0.116 R)
• M23: 25,563,434 km (0.09 R)
• M24: 25,941,468 km (0.089 R)
• M25: 30,454,087 km (0.054 R)
• M26: 30,665,918 km (0.067 R)
• M27: 32,396,616 km (0.072 R)
• M28: 32,950,427 km (0.114 R)
• M29: 39,215,287 km (0.046 R)
• M30: 39,466,013 km (0.073 R)
• M31: 41,902,364 km (0.12 R)
• M32: 43,090,470 km (0.112 R)
• M33: 45,534,001 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.8

Radius: 3.8

Gravity: 47.63 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.46 AU - 6.84 AU

Year: 10527 Days

Day: 22.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 50,005,069 km

• M1: 69,114 km (0.088 R)
• M2: 313,258 km (0.096 R)
• M3: 533,616 km (0.054 R)
• M4: 822,639 km (0.112 R)
• M5: 1,196,035 km (0.111 R)
• M6: 1,643,033 km (0.062 R)
• M7: 1,830,629 km (0.089 R)
• M8: 2,067,293 km (0.118 R)
• M9: 2,267,455 km (0.115 R)
• M10: 2,401,345 km (0.111 R)
• M11: 2,520,275 km (0.106 R)
• M12: 3,442,397 km (0.092 R)
• M13: 3,910,788 km (0.084 R)
• M14: 5,232,335 km (0.076 R)
• M15: 5,708,655 km (0.032 R)
• M16: 6,476,241 km (0.098 R)
• M17: 6,746,864 km (0.05 R)
• M18: 7,948,434 km (0.053 R)
• M19: 8,902,868 km (0.042 R)
• M20: 9,140,879 km (0.116 R)
• M21: 9,285,689 km (0.087 R)
• M22: 10,135,705 km (0.085 R)
• M23: 10,447,766 km (0.074 R)
• M24: 10,873,671 km (0.095 R)
• M25: 12,934,381 km (0.114 R)
• M26: 13,363,279 km (0.099 R)
• M27: 14,905,633 km (0.047 R)
• M28: 15,513,449 km (0.083 R)
• M29: 16,634,386 km (0.115 R)
• M30: 16,922,810 km (0.063 R)
• M31: 17,958,776 km (0.119 R)
• M32: 22,176,837 km (0.114 R)
• M33: 24,981,348 km (0.1 R)
• M34: 26,030,777 km (0.041 R)
• M35: 26,322,045 km (0.098 R)
• M36: 36,102,753 km (0.101 R)
• M37: 40,091,631 km (0.115 R)
• M38: 42,325,576 km (0.07 R)
• M39: 42,728,293 km (0.117 R)
• M40: 46,467,791 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.9

Radius: 7.4

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.36 AU - 8.65 AU

Year: 12784 Days

Day: 24.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 50,005,069 km

• M1: 93,050 km (0.09 R)
• M2: 462,108 km (0.105 R)
• M3: 817,104 km (0.088 R)
• M4: 1,199,476 km (0.048 R)
• M5: 1,508,246 km (0.09 R)
• M6: 1,853,368 km (0.09 R)
• M7: 2,401,345 km (0.035 R)
• M8: 3,262,580 km (0.081 R)
• M9: 3,816,391 km (0.1 R)
• M10: 4,372,895 km (0.099 R)
• M11: 5,751,141 km (0.119 R)
• M12: 6,145,780 km (0.042 R)
• M13: 6,674,159 km (0.1 R)
• M14: 7,692,472 km (0.077 R)
• M15: 8,083,222 km (0.06 R)
• M16: 8,578,839 km (0.068 R)
• M17: 8,951,787 km (0.119 R)
• M18: 9,335,506 km (0.062 R)
• M19: 10,873,222 km (0.12 R)
• M20: 12,632,194 km (0.042 R)
• M21: 12,872,149 km (0.075 R)
• M22: 13,799,356 km (0.081 R)
• M23: 15,036,980 km (0.119 R)
• M24: 16,275,949 km (0.1 R)
• M25: 17,212,133 km (0.088 R)
• M26: 18,799,665 km (0.062 R)
• M27: 22,089,322 km (0.105 R)
• M28: 23,506,164 km (0.116 R)
• M29: 25,551,765 km (0.062 R)
• M30: 29,046,222 km (0.087 R)
• M31: 29,781,495 km (0.097 R)
• M32: 32,621,012 km (0.103 R)
• M33: 34,222,458 km (0.049 R)
• M34: 40,110,630 km (0.062 R)
• M35: 41,284,973 km (0.107 R)
• M36: 42,214,126 km (0.094 R)
• M37: 42,751,182 km (0.116 R)
• M38: 44,667,231 km (0.067 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 11,351 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit