🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188

Radius: 13.6

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.9 AU - 0.98 AU

Year: 588 Days

Day: 9 Hours

Environment

Temp: -155 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,623,309 km

• M1: 169,195 km (0.117 R)
• M2: 625,917 km (0.035 R)
• M3: 1,074,113 km (0.047 R)
• M4: 1,554,023 km (0.068 R)
• M5: 2,010,296 km (0.066 R)
• M6: 2,674,212 km (0.095 R)
• M7: 4,419,271 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.1

Radius: 9.5

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.89 AU - 1.19 AU

Year: 685 Days

Day: 5.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,623,309 km

• M1: 119,828 km (0.098 R)
• M2: 440,117 km (0.096 R)
• M3: 815,907 km (0.086 R)
• M4: 1,196,334 km (0.117 R)
• M5: 1,529,937 km (0.106 R)
• M6: 2,045,601 km (0.087 R)
• M7: 2,445,028 km (0.059 R)
• M8: 2,906,537 km (0.041 R)
• M9: 3,713,618 km (0.076 R)
• M10: 4,562,735 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.1

Radius: 12.2

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.36 AU - 1.66 AU

Year: 1198 Days

Day: 7.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,623,309 km

• M1: 151,842 km (0.075 R)
• M2: 943,215 km (0.112 R)
• M3: 1,341,743 km (0.083 R)
• M4: 1,874,461 km (0.106 R)
• M5: 2,487,663 km (0.046 R)
• M6: 3,025,767 km (0.112 R)
• M7: 3,610,395 km (0.063 R)
• M8: 6,193,950 km (0.11 R)
• M9: 7,385,198 km (0.105 R)
• M10: 7,944,096 km (0.117 R)
• M11: 8,919,324 km (0.084 R)
• M12: 9,583,090 km (0.118 R)
• M13: 9,972,643 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.8

Radius: 13.3

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.18 AU - 2.5 AU

Year: 2311 Days

Day: 12.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,623,309 km

• M1: 169,794 km (0.094 R)
• M2: 604,375 km (0.11 R)
• M3: 1,766,601 km (0.045 R)
• M4: 2,189,215 km (0.085 R)
• M5: 2,605,845 km (0.071 R)
• M6: 3,210,819 km (0.045 R)
• M7: 4,108,107 km (0.071 R)
• M8: 4,978,168 km (0.12 R)
• M9: 7,723,888 km (0.111 R)
• M10: 9,877,050 km (0.052 R)
• M11: 10,872,923 km (0.095 R)
• M12: 11,683,893 km (0.103 R)
• M13: 12,447,740 km (0.057 R)
• M14: 13,289,826 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.4

Radius: 13.2

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.53 AU - 4.07 AU

Year: 3871 Days

Day: 14.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,623,309 km

• M1: 164,707 km (0.079 R)
• M2: 631,004 km (0.071 R)
• M3: 1,476,531 km (0.067 R)
• M4: 2,158,697 km (0.061 R)
• M5: 2,735,547 km (0.104 R)
• M6: 3,671,281 km (0.095 R)
• M7: 4,158,372 km (0.101 R)
• M8: 4,933,289 km (0.093 R)
• M9: 5,475,132 km (0.053 R)
• M10: 5,886,377 km (0.11 R)
• M11: 6,587,542 km (0.117 R)
• M12: 7,376,372 km (0.098 R)
• M13: 9,104,975 km (0.106 R)
• M14: 9,566,784 km (0.089 R)
• M15: 12,864,519 km (0.12 R)
• M16: 13,644,822 km (0.087 R)
• M17: 15,246,417 km (0.063 R)
• M18: 17,143,617 km (0.07 R)
• M19: 18,758,675 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.1

Radius: 10.6

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.79 AU - 4.01 AU

Year: 4048 Days

Day: 7.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,623,309 km

• M1: 132,095 km (0.061 R)
• M2: 569,669 km (0.081 R)
• M3: 930,499 km (0.095 R)
• M4: 1,263,055 km (0.092 R)
• M5: 1,981,424 km (0.083 R)
• M6: 2,562,612 km (0.087 R)
• M7: 3,346,654 km (0.106 R)
• M8: 4,130,397 km (0.068 R)
• M9: 4,462,804 km (0.114 R)
• M10: 4,982,955 km (0.091 R)
• M11: 5,334,660 km (0.065 R)
• M12: 6,032,385 km (0.063 R)
• M13: 6,491,201 km (0.102 R)
• M14: 7,840,873 km (0.092 R)
• M15: 9,444,712 km (0.043 R)
• M16: 11,086,997 km (0.067 R)
• M17: 13,675,639 km (0.056 R)
• M18: 14,368,277 km (0.08 R)
• M19: 14,825,897 km (0.104 R)
• M20: 16,865,963 km (0.111 R)
• M21: 17,547,381 km (0.077 R)
• M22: 18,188,109 km (0.063 R)
• M23: 19,270,001 km (0.115 R)
• M24: 21,627,813 km (0.106 R)
• M25: 22,161,877 km (0.116 R)
• M26: 22,704,618 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.7

Radius: 8.3

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.25 AU - 4.29 AU

Year: 5697 Days

Day: 12.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,623,309 km

• M1: 189,840 km (0.109 R)
• M2: 487,539 km (0.031 R)
• M3: 878,439 km (0.043 R)
• M4: 2,022,414 km (0.112 R)
• M5: 3,231,464 km (0.055 R)
• M6: 4,075,196 km (0.12 R)
• M7: 4,769,330 km (0.079 R)
• M8: 6,107,632 km (0.097 R)
• M9: 6,773,193 km (0.054 R)
• M10: 8,490,128 km (0.062 R)
• M11: 10,398,698 km (0.086 R)
• M12: 11,995,056 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.9

Radius: 5.2

Gravity: 15.23 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.83 AU - 7.93 AU

Year: 11652 Days

Day: 23.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,623,309 km

• M1: 98,435 km (0.077 R)
• M2: 386,262 km (0.088 R)
• M3: 1,189,901 km (0.109 R)
• M4: 2,065,947 km (0.104 R)
• M5: 3,125,249 km (0.108 R)
• M6: 3,596,632 km (0.083 R)
• M7: 4,650,100 km (0.095 R)
• M8: 7,108,741 km (0.057 R)
• M9: 9,158,980 km (0.077 R)
• M10: 9,775,622 km (0.059 R)
• M11: 12,925,555 km (0.088 R)
• M12: 16,075,488 km (0.101 R)
• M13: 18,936,846 km (0.07 R)
• M14: 20,487,279 km (0.114 R)
• M15: 29,623,819 km (0.091 R)
• M16: 39,518,970 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.3

Radius: 4.9

Gravity: 29.42 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.03 AU - 11.13 AU

Year: 17666 Days

Day: 16.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 73,623,309 km

• M1: 72,705 km (0.1 R)
• M2: 276,457 km (0.079 R)
• M3: 433,385 km (0.107 R)
• M4: 601,533 km (0.114 R)
• M5: 932,444 km (0.034 R)
• M6: 1,152,502 km (0.064 R)
• M7: 1,332,618 km (0.12 R)
• M8: 1,913,357 km (0.088 R)
• M9: 2,443,532 km (0.046 R)
• M10: 2,671,818 km (0.11 R)
• M11: 3,144,697 km (0.11 R)
• M12: 3,671,581 km (0.077 R)
• M13: 4,552,263 km (0.047 R)
• M14: 5,527,043 km (0.09 R)
• M15: 5,840,899 km (0.07 R)
• M16: 7,831,598 km (0.12 R)
• M17: 8,688,794 km (0.085 R)
• M18: 8,899,129 km (0.098 R)
• M19: 10,350,826 km (0.09 R)
• M20: 11,009,954 km (0.113 R)
• M21: 12,213,769 km (0.079 R)
• M22: 13,432,692 km (0.099 R)
• M23: 14,435,297 km (0.084 R)
• M24: 18,945,673 km (0.097 R)
• M25: 20,388,544 km (0.087 R)
• M26: 20,760,445 km (0.063 R)
• M27: 20,948,040 km (0.083 R)
• M28: 22,000,162 km (0.104 R)
• M29: 23,491,054 km (0.12 R)
• M30: 25,581,834 km (0.118 R)
• M31: 27,793,340 km (0.096 R)
• M32: 28,712,619 km (0.119 R)
• M33: 32,089,641 km (0.104 R)
• M34: 47,266,046 km (0.071 R)
• M35: 50,243,043 km (0.118 R)
• M36: 54,581,830 km (0.048 R)
• M37: 58,788,074 km (0.095 R)
• M38: 59,541,000 km (0.109 R)
• M39: 61,644,495 km (0.062 R)
• M40: 69,921,596 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.5

Radius: 4.2

Gravity: 44.64 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.12 AU - 11.1 AU

Year: 17754 Days

Day: 15.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 73,623,309 km

• M1: 52,210 km (0.118 R)
• M2: 241,451 km (0.057 R)
• M3: 572,960 km (0.037 R)
• M4: 868,116 km (0.106 R)
• M5: 1,056,610 km (0.036 R)
• M6: 1,737,430 km (0.049 R)
• M7: 2,058,616 km (0.094 R)
• M8: 2,265,211 km (0.119 R)
• M9: 2,395,810 km (0.071 R)
• M10: 2,893,073 km (0.092 R)
• M11: 4,760,803 km (0.11 R)
• M12: 5,122,829 km (0.081 R)
• M13: 6,846,197 km (0.086 R)
• M14: 7,936,915 km (0.117 R)
• M15: 8,497,608 km (0.106 R)
• M16: 10,101,297 km (0.118 R)
• M17: 10,277,972 km (0.098 R)
• M18: 10,759,079 km (0.103 R)
• M19: 11,572,742 km (0.068 R)
• M20: 12,972,529 km (0.098 R)
• M21: 15,549,651 km (0.089 R)
• M22: 17,249,083 km (0.076 R)
• M23: 19,429,023 km (0.063 R)
• M24: 20,163,549 km (0.075 R)
• M25: 20,726,486 km (0.104 R)
• M26: 22,278,863 km (0.104 R)
• M27: 24,326,259 km (0.053 R)
• M28: 25,395,435 km (0.064 R)
• M29: 30,351,014 km (0.073 R)
• M30: 34,166,059 km (0.086 R)
• M31: 40,173,311 km (0.054 R)
• M32: 42,884,025 km (0.071 R)
• M33: 43,970,255 km (0.113 R)
• M34: 44,441,488 km (0.076 R)
• M35: 50,360,029 km (0.06 R)
• M36: 52,620,004 km (0.119 R)
• M37: 60,189,207 km (0.053 R)
• M38: 60,575,918 km (0.114 R)
• M39: 62,732,670 km (0.038 R)
• M40: 67,198,616 km (0.028 R)
• M41: 68,032,624 km (0.052 R)
• M42: 72,089,120 km (0.11 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 11,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit