🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.2

Radius: 10.3

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.61 AU - 0.75 AU

Year: 387 Days

Day: 10.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,409,384 km

• M1: 128,056 km (0.087 R)
• M2: 530,175 km (0.105 R)
• M3: 903,422 km (0.047 R)
• M4: 1,287,888 km (0.058 R)
• M5: 1,633,758 km (0.101 R)
• M6: 2,215,993 km (0.114 R)
• M7: 2,661,496 km (0.075 R)
• M8: 4,232,872 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.5

Radius: 10

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.59 AU - 0.81 AU

Year: 404 Days

Day: 9.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,409,384 km

• M1: 124,615 km (0.112 R)
• M2: 505,491 km (0.069 R)
• M3: 825,481 km (0.101 R)
• M4: 1,172,399 km (0.117 R)
• M5: 1,611,319 km (0.099 R)
• M6: 1,933,852 km (0.102 R)
• M7: 2,281,816 km (0.071 R)
• M8: 2,651,772 km (0.104 R)
• M9: 3,117,320 km (0.084 R)
• M10: 3,429,382 km (0.097 R)
• M11: 4,480,157 km (0.082 R)
• M12: 4,818,847 km (0.074 R)
• M13: 5,432,497 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.1

Radius: 10.3

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.79 AU - 1.05 AU

Year: 609 Days

Day: 7 Hours

Environment

Temp: -166 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,409,384 km

• M1: 128,056 km (0.043 R)
• M2: 527,033 km (0.105 R)
• M3: 862,282 km (0.093 R)
• M4: 1,230,143 km (0.09 R)
• M5: 1,649,317 km (0.105 R)
• M6: 1,989,652 km (0.092 R)
• M7: 2,407,628 km (0.063 R)
• M8: 3,048,057 km (0.111 R)
• M9: 3,580,176 km (0.117 R)
• M10: 4,158,222 km (0.107 R)
• M11: 4,732,529 km (0.099 R)
• M12: 5,411,853 km (0.113 R)
• M13: 5,738,275 km (0.111 R)
• M14: 6,213,548 km (0.099 R)
• M15: 6,571,685 km (0.109 R)
• M16: 6,901,847 km (0.059 R)
• M17: 7,242,931 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.1

Radius: 8.7

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.77 AU - 1.17 AU

Year: 659 Days

Day: 11.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,409,384 km

• M1: 108,159 km (0.055 R)
• M2: 404,513 km (0.051 R)
• M3: 714,779 km (0.119 R)
• M4: 1,108,371 km (0.091 R)
• M5: 1,579,754 km (0.085 R)
• M6: 1,979,928 km (0.119 R)
• M7: 2,331,333 km (0.069 R)
• M8: 2,689,620 km (0.109 R)
• M9: 3,872,939 km (0.109 R)
• M10: 4,330,260 km (0.071 R)
• M11: 4,688,248 km (0.099 R)
• M12: 5,335,109 km (0.059 R)
• M13: 5,708,655 km (0.098 R)
• M14: 6,020,118 km (0.117 R)
• M15: 6,487,760 km (0.043 R)
• M16: 7,156,164 km (0.086 R)
• M17: 7,449,675 km (0.071 R)
• M18: 8,231,473 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.6

Radius: 13.1

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.18 AU - 1.78 AU

Year: 1243 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,409,384 km

• M1: 163,062 km (0.043 R)
• M2: 574,007 km (0.086 R)
• M3: 1,048,681 km (0.062 R)
• M4: 1,631,365 km (0.065 R)
• M5: 2,789,701 km (0.043 R)
• M6: 3,700,004 km (0.06 R)
• M7: 4,953,185 km (0.055 R)
• M8: 5,453,291 km (0.058 R)
• M9: 7,521,631 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.4

Radius: 10.8

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.24 AU - 2.92 AU

Year: 2860 Days

Day: 7.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,409,384 km

• M1: 248,482 km (0.041 R)
• M2: 1,946,418 km (0.086 R)
• M3: 3,497,000 km (0.084 R)
• M4: 7,024,518 km (0.04 R)
• M5: 8,054,948 km (0.095 R)
• M6: 9,183,514 km (0.059 R)
• M7: 9,548,533 km (0.106 R)
• M8: 10,629,677 km (0.105 R)
• M9: 11,407,286 km (0.113 R)
• M10: 13,666,513 km (0.07 R)
• M11: 14,855,966 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.1

Radius: 9.8

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.67 AU - 5.99 AU

Year: 8494 Days

Day: 12.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,409,384 km

• M1: 121,922 km (0.106 R)
• M2: 463,155 km (0.087 R)
• M3: 846,126 km (0.057 R)
• M4: 1,555,818 km (0.105 R)
• M5: 2,369,780 km (0.116 R)
• M6: 2,793,740 km (0.111 R)
• M7: 3,513,156 km (0.076 R)
• M8: 3,941,605 km (0.109 R)
• M9: 5,257,019 km (0.104 R)
• M10: 5,916,446 km (0.107 R)
• M11: 6,317,518 km (0.063 R)
• M12: 8,644,064 km (0.029 R)
• M13: 15,031,594 km (0.073 R)
• M14: 18,174,945 km (0.039 R)
• M15: 18,881,046 km (0.077 R)
• M16: 20,048,508 km (0.085 R)
• M17: 23,589,789 km (0.108 R)
• M18: 25,202,903 km (0.117 R)
• M19: 25,639,280 km (0.115 R)
• M20: 27,712,258 km (0.054 R)
• M21: 34,705,509 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.4

Radius: 5.4

Gravity: 16.75 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.26 AU - 6.24 AU

Year: 9517 Days

Day: 16.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,409,384 km

• M1: 73,004 km (0.098 R)
• M2: 252,970 km (0.108 R)
• M3: 439,369 km (0.08 R)
• M4: 946,356 km (0.092 R)
• M5: 2,635,914 km (0.086 R)
• M6: 3,912,433 km (0.057 R)
• M7: 4,119,776 km (0.05 R)
• M8: 4,307,222 km (0.083 R)
• M9: 5,783,304 km (0.111 R)
• M10: 5,984,663 km (0.062 R)
• M11: 9,642,181 km (0.067 R)
• M12: 10,214,543 km (0.047 R)
• M13: 11,744,480 km (0.107 R)
• M14: 12,231,720 km (0.106 R)
• M15: 14,377,253 km (0.095 R)
• M16: 14,809,591 km (0.098 R)
• M17: 18,878,204 km (0.107 R)
• M18: 19,621,556 km (0.114 R)
• M19: 24,409,585 km (0.08 R)
• M20: 27,683,535 km (0.099 R)
• M21: 31,651,469 km (0.048 R)
• M22: 34,424,265 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427

Radius: 6.1

Gravity: 11.48 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 8.7 AU - 10.18 AU

Year: 20020 Days

Day: 20 Hours

Environment

Temp: -240 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 38,409,384 km

• M1: 76,594 km (0.057 R)
• M2: 278,102 km (0.118 R)
• M3: 521,498 km (0.11 R)
• M4: 815,907 km (0.089 R)
• M5: 1,054,815 km (0.097 R)
• M6: 1,974,094 km (0.116 R)
• M7: 2,244,866 km (0.117 R)
• M8: 3,529,313 km (0.119 R)
• M9: 6,035,376 km (0.093 R)
• M10: 8,294,454 km (0.049 R)
• M11: 8,693,581 km (0.047 R)
• M12: 8,949,543 km (0.089 R)
• M13: 9,476,576 km (0.081 R)
• M14: 9,802,700 km (0.12 R)
• M15: 10,136,153 km (0.115 R)
• M16: 12,555,749 km (0.085 R)
• M17: 13,898,989 km (0.112 R)
• M18: 15,936,661 km (0.109 R)
• M19: 16,397,871 km (0.093 R)
• M20: 18,332,022 km (0.084 R)
• M21: 24,022,426 km (0.103 R)
• M22: 24,832,947 km (0.106 R)
• M23: 25,348,611 km (0.114 R)
• M24: 25,766,438 km (0.057 R)
• M25: 26,188,753 km (0.093 R)
• M26: 27,264,661 km (0.1 R)
• M27: 31,502,170 km (0.09 R)
• M28: 35,765,111 km (0.099 R)
• M29: 37,897,928 km (0.039 R)
• M30: 38,995,378 km (0.037 R)
• M31: 39,832,378 km (0.057 R)
• M32: 43,448,906 km (0.078 R)
• M33: 48,710,114 km (0.039 R)
• M34: 50,170,787 km (0.06 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67.5

Radius: 6.9

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 8.9 AU - 11.72 AU

Year: 22851 Days

Day: 22.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,409,384 km

• M1: 86,019 km (0.071 R)
• M2: 1,329,925 km (0.117 R)
• M3: 2,255,786 km (0.045 R)
• M4: 3,262,131 km (0.098 R)
• M5: 3,963,895 km (0.057 R)
• M6: 5,290,080 km (0.087 R)
• M7: 5,954,294 km (0.083 R)
• M8: 9,175,286 km (0.055 R)
• M9: 10,855,121 km (0.089 R)
• M10: 13,174,486 km (0.11 R)
• M11: 13,802,199 km (0.102 R)
• M12: 19,560,670 km (0.056 R)
• M13: 19,855,078 km (0.116 R)
• M14: 23,955,107 km (0.075 R)
• M15: 32,839,874 km (0.067 R)
• M16: 35,825,399 km (0.063 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 17,571 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit