🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.1

Radius: 10.3

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.91 AU - 2.27 AU

Year: 1951 Days

Day: 9.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,031,711 km

• M1: 128,056 km (0.103 R)
• M2: 516,412 km (0.118 R)
• M3: 858,393 km (0.074 R)
• M4: 1,333,665 km (0.052 R)
• M5: 1,831,676 km (0.102 R)
• M6: 2,866,295 km (0.12 R)
• M7: 3,471,568 km (0.09 R)
• M8: 3,926,944 km (0.108 R)
• M9: 4,479,409 km (0.113 R)
• M10: 4,814,957 km (0.057 R)
• M11: 5,231,438 km (0.096 R)
• M12: 5,604,086 km (0.045 R)
• M13: 5,971,049 km (0.119 R)
• M14: 6,427,772 km (0.072 R)
• M15: 8,111,047 km (0.118 R)
• M16: 8,641,820 km (0.078 R)
• M17: 9,385,322 km (0.064 R)
• M18: 12,596,440 km (0.067 R)
• M19: 12,988,985 km (0.081 R)
• M20: 13,429,999 km (0.088 R)
• M21: 13,964,213 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.3

Radius: 13.1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.29 AU - 3.63 AU

Year: 3288 Days

Day: 10.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,031,711 km

• M1: 164,258 km (0.118 R)
• M2: 818,151 km (0.111 R)
• M3: 1,884,335 km (0.115 R)
• M4: 2,711,162 km (0.097 R)
• M5: 6,187,069 km (0.027 R)
• M6: 6,631,225 km (0.083 R)
• M7: 9,277,162 km (0.062 R)
• M8: 11,574,686 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.3

Radius: 14.1

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.25 AU - 4.13 AU

Year: 4577 Days

Day: 8.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,031,711 km

• M1: 179,069 km (0.056 R)
• M2: 684,261 km (0.032 R)
• M3: 1,147,864 km (0.063 R)
• M4: 1,601,894 km (0.111 R)
• M5: 2,165,429 km (0.12 R)
• M6: 2,761,876 km (0.11 R)
• M7: 3,354,134 km (0.089 R)
• M8: 4,224,195 km (0.101 R)
• M9: 4,868,364 km (0.079 R)
• M10: 5,419,931 km (0.071 R)
• M11: 6,210,855 km (0.092 R)
• M12: 7,491,562 km (0.095 R)
• M13: 8,264,086 km (0.094 R)
• M14: 9,502,756 km (0.029 R)
• M15: 12,346,761 km (0.117 R)
• M16: 12,902,068 km (0.078 R)
• M17: 14,162,580 km (0.107 R)
• M18: 19,472,257 km (0.104 R)
• M19: 20,035,344 km (0.027 R)
• M20: 20,738,603 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.5

Radius: 14.1

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.87 AU - 4.61 AU

Year: 4670 Days

Day: 13 Hours

Environment

Temp: -215 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,031,711 km

• M1: 178,021 km (0.071 R)
• M2: 763,398 km (0.105 R)
• M3: 1,206,208 km (0.106 R)
• M4: 1,729,651 km (0.059 R)
• M5: 2,344,498 km (0.104 R)
• M6: 4,703,357 km (0.094 R)
• M7: 5,573,418 km (0.07 R)
• M8: 6,424,181 km (0.097 R)
• M9: 7,060,272 km (0.077 R)
• M10: 7,843,566 km (0.093 R)
• M11: 8,459,161 km (0.08 R)
• M12: 9,503,055 km (0.029 R)
• M13: 10,203,472 km (0.081 R)
• M14: 11,800,430 km (0.117 R)
• M15: 12,416,324 km (0.056 R)
• M16: 14,129,070 km (0.087 R)
• M17: 16,166,743 km (0.077 R)
• M18: 16,808,667 km (0.104 R)
• M19: 18,143,529 km (0.113 R)
• M20: 20,344,114 km (0.094 R)
• M21: 23,449,167 km (0.104 R)
• M22: 27,841,660 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.6

Radius: 12.4

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.5 AU - 6.6 AU

Year: 8442 Days

Day: 5.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,031,711 km

• M1: 160,818 km (0.086 R)
• M2: 815,009 km (0.112 R)
• M3: 1,481,318 km (0.05 R)
• M4: 2,297,674 km (0.048 R)
• M5: 3,273,052 km (0.082 R)
• M6: 4,026,427 km (0.093 R)
• M7: 4,506,935 km (0.104 R)
• M8: 5,106,823 km (0.106 R)
• M9: 5,729,898 km (0.041 R)
• M10: 6,339,958 km (0.076 R)
• M11: 6,759,430 km (0.109 R)
• M12: 8,018,895 km (0.041 R)
• M13: 8,626,412 km (0.077 R)
• M14: 13,301,195 km (0.045 R)
• M15: 15,327,499 km (0.111 R)
• M16: 17,363,974 km (0.086 R)
• M17: 21,967,849 km (0.116 R)
• M18: 22,707,162 km (0.042 R)
• M19: 25,345,769 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.7

Radius: 10.5

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.16 AU - 6.66 AU

Year: 9277 Days

Day: 9.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,031,711 km

• M1: 134,339 km (0.082 R)
• M2: 488,587 km (0.057 R)
• M3: 900,729 km (0.093 R)
• M4: 1,547,291 km (0.101 R)
• M5: 2,100,354 km (0.026 R)
• M6: 2,781,473 km (0.089 R)
• M7: 3,266,320 km (0.034 R)
• M8: 3,938,014 km (0.116 R)
• M9: 6,039,266 km (0.089 R)
• M10: 7,290,802 km (0.057 R)
• M11: 7,828,606 km (0.057 R)
• M12: 8,392,740 km (0.074 R)
• M13: 8,937,426 km (0.111 R)
• M14: 9,947,062 km (0.12 R)
• M15: 10,713,601 km (0.064 R)
• M16: 11,409,381 km (0.045 R)
• M17: 14,178,587 km (0.047 R)
• M18: 16,582,026 km (0.105 R)
• M19: 18,478,479 km (0.052 R)
• M20: 21,088,513 km (0.108 R)
• M21: 22,524,652 km (0.097 R)
• M22: 26,350,767 km (0.105 R)
• M23: 27,816,078 km (0.11 R)
• M24: 28,518,291 km (0.078 R)
• M25: 30,589,473 km (0.11 R)
• M26: 35,613,120 km (0.109 R)
• M27: 39,001,810 km (0.118 R)
• M28: 40,262,322 km (0.086 R)
• M29: 44,751,754 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.1

Radius: 3.3

Gravity: 64.1 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.28 AU - 9.16 AU

Year: 16626 Days

Day: 16.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,031,711 km

• M1: 46,076 km (0.038 R)
• M2: 269,426 km (0.05 R)
• M3: 373,396 km (0.053 R)
• M4: 542,741 km (0.116 R)
• M5: 1,035,965 km (0.082 R)
• M6: 1,542,204 km (0.078 R)
• M7: 1,795,623 km (0.107 R)
• M8: 2,299,768 km (0.117 R)
• M9: 4,054,252 km (0.099 R)
• M10: 5,053,566 km (0.038 R)
• M11: 5,533,476 km (0.049 R)
• M12: 5,883,235 km (0.095 R)
• M13: 7,155,266 km (0.071 R)
• M14: 7,383,852 km (0.105 R)
• M15: 7,617,224 km (0.067 R)
• M16: 8,346,664 km (0.1 R)
• M17: 8,806,079 km (0.102 R)
• M18: 10,694,453 km (0.114 R)
• M19: 12,308,464 km (0.053 R)
• M20: 13,105,372 km (0.119 R)
• M21: 15,247,165 km (0.116 R)
• M22: 17,364,124 km (0.088 R)
• M23: 17,859,891 km (0.109 R)
• M24: 18,535,475 km (0.068 R)
• M25: 20,298,486 km (0.095 R)
• M26: 24,667,342 km (0.119 R)
• M27: 26,468,650 km (0.102 R)
• M28: 40,428,077 km (0.085 R)
• M29: 42,179,568 km (0.028 R)
• M30: 43,374,855 km (0.057 R)
• M31: 49,526,769 km (0.1 R)
• M32: 51,869,621 km (0.079 R)
• M33: 52,210,255 km (0.084 R)
• M34: 57,317,826 km (0.097 R)
• M35: 63,135,238 km (0.074 R)
• M36: 63,913,446 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.8

Radius: 7.9

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.98 AU - 10.58 AU

Year: 16798 Days

Day: 18.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,031,711 km

• M1: 161,566 km (0.099 R)
• M2: 434,731 km (0.066 R)
• M3: 695,630 km (0.096 R)
• M4: 1,697,038 km (0.029 R)
• M5: 2,025,705 km (0.093 R)
• M6: 2,619,608 km (0.113 R)
• M7: 3,060,922 km (0.08 R)
• M8: 4,503,345 km (0.113 R)
• M9: 8,191,531 km (0.105 R)
• M10: 11,407,286 km (0.08 R)
• M11: 11,809,705 km (0.118 R)
• M12: 14,162,131 km (0.105 R)
• M13: 15,587,799 km (0.093 R)
• M14: 15,869,941 km (0.091 R)
• M15: 16,810,163 km (0.08 R)
• M16: 19,363,200 km (0.117 R)
• M17: 22,252,683 km (0.069 R)
• M18: 24,552,451 km (0.065 R)
• M19: 26,703,220 km (0.087 R)
• M20: 27,107,284 km (0.076 R)
• M21: 28,659,212 km (0.116 R)
• M22: 31,263,861 km (0.046 R)
• M23: 32,394,372 km (0.042 R)
• M24: 40,018,328 km (0.11 R)
• M25: 42,163,711 km (0.108 R)
• M26: 43,962,326 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.5

Radius: 4.7

Gravity: 16.27 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.38 AU - 11.2 AU

Year: 21313 Days

Day: 18.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 173.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,031,711 km

• M1: 74,500 km (0.12 R)
• M2: 301,290 km (0.113 R)
• M3: 483,500 km (0.055 R)
• M4: 1,345,782 km (0.116 R)
• M5: 1,493,136 km (0.094 R)
• M6: 1,838,109 km (0.046 R)
• M7: 4,467,591 km (0.045 R)
• M8: 4,934,785 km (0.101 R)
• M9: 5,582,544 km (0.076 R)
• M10: 7,045,312 km (0.062 R)
• M11: 21,257,558 km (0.049 R)
• M12: 25,876,991 km (0.084 R)
• M13: 26,192,642 km (0.073 R)
• M14: 28,699,155 km (0.096 R)
• M15: 37,705,395 km (0.093 R)
• M16: 38,111,254 km (0.06 R)
• M17: 40,465,775 km (0.082 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: 538 - 11,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit