🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.5

Radius: 8

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.58 AU - 0.68 AU

Year: 333 Days

Day: 11.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,068,779 km

• M1: 99,483 km (0.104 R)
• M2: 349,909 km (0.062 R)
• M3: 675,285 km (0.111 R)
• M4: 993,928 km (0.105 R)
• M5: 1,276,219 km (0.115 R)
• M6: 1,667,119 km (0.108 R)
• M7: 1,975,889 km (0.092 R)
• M8: 3,485,481 km (0.112 R)
• M9: 3,746,080 km (0.061 R)
• M10: 4,951,540 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.5

Radius: 14.9

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.71 AU - 1.05 AU

Year: 550 Days

Day: 10.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,068,779 km

• M1: 186,549 km (0.114 R)
• M2: 659,727 km (0.084 R)
• M3: 1,189,453 km (0.042 R)
• M4: 1,657,844 km (0.106 R)
• M5: 2,262,219 km (0.079 R)
• M6: 4,871,056 km (0.083 R)
• M7: 5,873,362 km (0.051 R)
• M8: 6,530,396 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.2

Radius: 14.6

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.78 AU - 3.06 AU

Year: 3327 Days

Day: 9 Hours

Environment

Temp: -216 °C

Axial Tilt: 53.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,068,779 km

• M1: 181,612 km (0.098 R)
• M2: 710,291 km (0.06 R)
• M3: 1,416,542 km (0.103 R)
• M4: 3,165,641 km (0.11 R)
• M5: 3,934,873 km (0.106 R)
• M6: 4,395,485 km (0.111 R)
• M7: 5,391,208 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.9

Radius: 13.8

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.91 AU - 4.45 AU

Year: 4708 Days

Day: 9.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,068,779 km

• M1: 171,738 km (0.098 R)
• M2: 1,279,361 km (0.12 R)
• M3: 3,253,903 km (0.118 R)
• M4: 3,940,857 km (0.046 R)
• M5: 5,325,235 km (0.114 R)
• M6: 5,816,964 km (0.111 R)
• M7: 7,637,270 km (0.117 R)
• M8: 8,096,237 km (0.052 R)
• M9: 13,855,904 km (0.093 R)
• M10: 16,298,389 km (0.057 R)
• M11: 18,367,926 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.1

Radius: 8.8

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.96 AU - 4.56 AU

Year: 5863 Days

Day: 5.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,068,779 km

• M1: 109,506 km (0.117 R)
• M2: 434,731 km (0.058 R)
• M3: 763,398 km (0.093 R)
• M4: 1,154,746 km (0.118 R)
• M5: 1,470,996 km (0.116 R)
• M6: 1,903,783 km (0.074 R)
• M7: 2,472,853 km (0.108 R)
• M8: 2,885,743 km (0.085 R)
• M9: 3,850,350 km (0.094 R)
• M10: 4,301,836 km (0.086 R)
• M11: 5,044,889 km (0.103 R)
• M12: 5,462,566 km (0.055 R)
• M13: 6,033,432 km (0.078 R)
• M14: 7,946,788 km (0.094 R)
• M15: 8,348,608 km (0.119 R)
• M16: 9,192,939 km (0.117 R)
• M17: 9,501,559 km (0.106 R)
• M18: 12,762,045 km (0.056 R)
• M19: 13,257,812 km (0.073 R)
• M20: 14,054,570 km (0.09 R)
• M21: 15,308,799 km (0.057 R)
• M22: 15,805,763 km (0.12 R)
• M23: 16,766,481 km (0.077 R)
• M24: 20,250,765 km (0.072 R)
• M25: 20,849,754 km (0.085 R)
• M26: 21,230,032 km (0.081 R)
• M27: 27,687,275 km (0.08 R)
• M28: 28,611,640 km (0.083 R)
• M29: 30,521,855 km (0.042 R)
• M30: 31,707,867 km (0.076 R)
• M31: 32,617,273 km (0.046 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.8

Radius: 4.8

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.23 AU - 6.73 AU

Year: 11000 Days

Day: 15.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,068,779 km

• M1: 66,421 km (0.091 R)
• M2: 284,236 km (0.084 R)
• M3: 501,003 km (0.057 R)
• M4: 660,774 km (0.083 R)
• M5: 1,069,475 km (0.099 R)
• M6: 1,340,098 km (0.108 R)
• M7: 1,791,883 km (0.106 R)
• M8: 5,609,471 km (0.076 R)
• M9: 6,922,193 km (0.118 R)
• M10: 10,137,201 km (0.089 R)
• M11: 13,165,510 km (0.094 R)
• M12: 17,095,895 km (0.067 R)
• M13: 17,808,879 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.4

Radius: 5.6

Gravity: 18.16 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.77 AU - 8.81 AU

Year: 13126 Days

Day: 15.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,068,779 km

• M1: 97,239 km (0.065 R)
• M2: 307,723 km (0.104 R)
• M3: 541,395 km (0.111 R)
• M4: 1,018,014 km (0.061 R)
• M5: 1,228,947 km (0.116 R)
• M6: 1,615,657 km (0.087 R)
• M7: 1,887,925 km (0.117 R)
• M8: 2,802,866 km (0.043 R)
• M9: 3,077,527 km (0.089 R)
• M10: 3,815,793 km (0.084 R)
• M11: 4,329,961 km (0.111 R)
• M12: 4,856,695 km (0.117 R)
• M13: 5,600,645 km (0.092 R)
• M14: 6,774,091 km (0.066 R)
• M15: 7,354,381 km (0.04 R)
• M16: 8,804,433 km (0.104 R)
• M17: 11,039,276 km (0.09 R)
• M18: 11,608,645 km (0.117 R)
• M19: 12,682,309 km (0.111 R)
• M20: 14,347,633 km (0.106 R)
• M21: 15,372,079 km (0.049 R)
• M22: 15,724,083 km (0.117 R)
• M23: 16,812,407 km (0.094 R)
• M24: 17,186,252 km (0.091 R)
• M25: 19,382,050 km (0.076 R)
• M26: 20,632,239 km (0.099 R)
• M27: 21,935,087 km (0.089 R)
• M28: 23,569,743 km (0.088 R)
• M29: 36,841,168 km (0.086 R)
• M30: 37,725,591 km (0.062 R)
• M31: 39,800,364 km (0.116 R)
• M32: 42,086,818 km (0.074 R)
• M33: 43,053,220 km (0.09 R)
• M34: 45,317,533 km (0.095 R)
• M35: 46,332,705 km (0.07 R)
• M36: 49,621,763 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.5

Radius: 6.4

Gravity: 16.66 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.51 AU - 8.05 AU

Year: 14471 Days

Day: 15.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,068,779 km

• M1: 79,586 km (0.067 R)
• M2: 281,992 km (0.057 R)
• M3: 492,626 km (0.116 R)
• M4: 804,537 km (0.099 R)
• M5: 1,510,639 km (0.115 R)
• M6: 1,714,691 km (0.071 R)
• M7: 2,420,793 km (0.118 R)
• M8: 3,203,190 km (0.115 R)
• M9: 5,691,002 km (0.06 R)
• M10: 7,058,177 km (0.117 R)
• M11: 7,771,759 km (0.102 R)
• M12: 9,446,657 km (0.118 R)
• M13: 11,769,313 km (0.07 R)
• M14: 12,388,798 km (0.095 R)
• M15: 12,706,694 km (0.109 R)
• M16: 13,625,374 km (0.077 R)
• M17: 17,269,129 km (0.096 R)
• M18: 19,740,785 km (0.068 R)
• M19: 20,349,798 km (0.082 R)
• M20: 21,150,895 km (0.083 R)
• M21: 23,680,745 km (0.117 R)
• M22: 24,170,378 km (0.077 R)
• M23: 30,468,449 km (0.074 R)
• M24: 30,931,155 km (0.058 R)
• M25: 33,193,524 km (0.103 R)
• M26: 36,464,930 km (0.106 R)
• M27: 40,638,710 km (0.077 R)
• M28: 43,640,092 km (0.099 R)
• M29: 45,269,812 km (0.114 R)
• M30: 53,023,619 km (0.108 R)
• M31: 55,220,015 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.4

Radius: 3.3

Gravity: 81.95 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.24 AU - 10.2 AU

Year: 17171 Days

Day: 23.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,068,779 km

• M1: 41,139 km (0.057 R)
• M2: 164,258 km (0.071 R)
• M3: 390,450 km (0.082 R)
• M4: 1,014,722 km (0.095 R)
• M5: 1,329,476 km (0.108 R)
• M6: 1,814,622 km (0.076 R)
• M7: 2,499,481 km (0.07 R)
• M8: 3,095,180 km (0.1 R)
• M9: 4,061,283 km (0.039 R)
• M10: 4,389,650 km (0.105 R)
• M11: 5,288,135 km (0.088 R)
• M12: 5,759,967 km (0.083 R)
• M13: 6,047,943 km (0.093 R)
• M14: 6,302,409 km (0.114 R)
• M15: 7,830,701 km (0.096 R)
• M16: 8,547,723 km (0.07 R)
• M17: 10,651,518 km (0.119 R)
• M18: 11,724,434 km (0.049 R)
• M19: 12,660,468 km (0.076 R)
• M20: 12,936,775 km (0.082 R)
• M21: 13,217,121 km (0.089 R)
• M22: 16,409,690 km (0.111 R)
• M23: 16,738,057 km (0.097 R)
• M24: 17,154,837 km (0.106 R)
• M25: 18,712,300 km (0.106 R)
• M26: 23,424,633 km (0.118 R)
• M27: 25,011,268 km (0.043 R)
• M28: 30,444,064 km (0.085 R)
• M29: 32,587,951 km (0.078 R)
• M30: 41,560,532 km (0.104 R)
• M31: 44,510,303 km (0.075 R)
• M32: 45,954,970 km (0.065 R)
• M33: 46,771,026 km (0.104 R)
• M34: 47,929,512 km (0.048 R)
• M35: 48,600,159 km (0.087 R)
• M36: 60,780,268 km (0.053 R)
• M37: 72,180,524 km (0.1 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 12,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit