🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.4

Radius: 8.9

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.57 AU - 0.73 AU

Year: 362 Days

Day: 6.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,112,144 km

• M1: 110,702 km (0.104 R)
• M2: 405,111 km (0.077 R)
• M3: 797,207 km (0.037 R)
• M4: 1,143,227 km (0.102 R)
• M5: 1,583,045 km (0.107 R)
• M6: 1,868,029 km (0.113 R)
• M7: 2,156,304 km (0.118 R)
• M8: 2,448,917 km (0.042 R)
• M9: 3,095,180 km (0.052 R)
• M10: 3,415,768 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.6

Radius: 10.1

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.43 AU - 1.81 AU

Year: 1423 Days

Day: 10.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,112,144 km

• M1: 125,662 km (0.073 R)
• M2: 504,145 km (0.081 R)
• M3: 1,057,358 km (0.043 R)
• M4: 1,437,636 km (0.095 R)
• M5: 2,025,705 km (0.09 R)
• M6: 2,348,687 km (0.101 R)
• M7: 2,694,258 km (0.047 R)
• M8: 3,474,859 km (0.057 R)
• M9: 4,265,185 km (0.06 R)
• M10: 4,641,274 km (0.079 R)
• M11: 5,599,149 km (0.111 R)
• M12: 6,616,415 km (0.053 R)
• M13: 6,981,583 km (0.086 R)
• M14: 7,653,277 km (0.084 R)
• M15: 8,659,622 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.9

Radius: 8.7

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.75 AU - 2.43 AU

Year: 2086 Days

Day: 9.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,112,144 km

• M1: 108,608 km (0.055 R)
• M2: 529,876 km (0.105 R)
• M3: 1,256,921 km (0.103 R)
• M4: 1,579,155 km (0.106 R)
• M5: 2,526,259 km (0.064 R)
• M6: 2,835,927 km (0.081 R)
• M7: 3,186,584 km (0.067 R)
• M8: 3,498,047 km (0.084 R)
• M9: 4,087,612 km (0.066 R)
• M10: 4,376,785 km (0.106 R)
• M11: 4,932,092 km (0.083 R)
• M12: 5,373,107 km (0.076 R)
• M13: 6,283,260 km (0.119 R)
• M14: 6,565,103 km (0.068 R)
• M15: 6,935,956 km (0.106 R)
• M16: 7,836,535 km (0.043 R)
• M17: 8,345,616 km (0.045 R)
• M18: 9,199,371 km (0.057 R)
• M19: 9,630,513 km (0.052 R)
• M20: 11,340,865 km (0.081 R)
• M21: 13,119,584 km (0.11 R)
• M22: 13,880,738 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.7

Radius: 11.1

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.8 AU - 4.42 AU

Year: 4734 Days

Day: 12.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,112,144 km

• M1: 138,976 km (0.117 R)
• M2: 518,506 km (0.113 R)
• M3: 1,209,200 km (0.093 R)
• M4: 1,868,029 km (0.064 R)
• M5: 2,683,038 km (0.109 R)
• M6: 3,143,051 km (0.056 R)
• M7: 4,465,945 km (0.117 R)
• M8: 5,088,272 km (0.12 R)
• M9: 6,506,311 km (0.028 R)
• M10: 7,411,527 km (0.03 R)
• M11: 9,680,029 km (0.071 R)
• M12: 10,455,545 km (0.084 R)
• M13: 10,904,189 km (0.067 R)
• M14: 12,879,030 km (0.062 R)
• M15: 13,710,794 km (0.115 R)
• M16: 14,467,760 km (0.026 R)
• M17: 16,845,019 km (0.096 R)
• M18: 24,333,290 km (0.115 R)
• M19: 25,042,684 km (0.112 R)
• M20: 25,928,153 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.3

Radius: 14.1

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.94 AU - 4.42 AU

Year: 5899 Days

Day: 13.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,112,144 km

• M1: 175,628 km (0.115 R)
• M2: 671,694 km (0.045 R)
• M3: 1,284,597 km (0.086 R)
• M4: 2,478,238 km (0.092 R)
• M5: 3,899,119 km (0.083 R)
• M6: 4,627,661 km (0.105 R)
• M7: 5,097,547 km (0.093 R)
• M8: 6,079,358 km (0.059 R)
• M9: 7,276,291 km (0.04 R)
• M10: 7,947,686 km (0.108 R)
• M11: 8,800,394 km (0.085 R)
• M12: 10,488,456 km (0.114 R)
• M13: 11,262,625 km (0.086 R)
• M14: 14,153,754 km (0.111 R)
• M15: 17,621,133 km (0.094 R)
• M16: 20,724,691 km (0.086 R)
• M17: 21,944,512 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220

Radius: 5.3

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.78 AU - 6.88 AU

Year: 9717 Days

Day: 16.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,112,144 km

• M1: 65,973 km (0.079 R)
• M2: 276,008 km (0.099 R)
• M3: 446,849 km (0.117 R)
• M4: 825,631 km (0.118 R)
• M5: 1,491,491 km (0.071 R)
• M6: 1,815,370 km (0.118 R)
• M7: 2,046,499 km (0.093 R)
• M8: 2,840,864 km (0.091 R)
• M9: 3,276,193 km (0.119 R)
• M10: 3,531,856 km (0.094 R)
• M11: 5,042,346 km (0.07 R)
• M12: 6,017,275 km (0.034 R)
• M13: 6,239,278 km (0.062 R)
• M14: 7,253,103 km (0.072 R)
• M15: 8,063,325 km (0.047 R)
• M16: 13,461,415 km (0.081 R)
• M17: 15,970,620 km (0.086 R)
• M18: 18,507,650 km (0.11 R)
• M19: 19,045,305 km (0.042 R)
• M20: 19,871,384 km (0.105 R)
• M21: 20,435,219 km (0.119 R)
• M22: 25,748,636 km (0.109 R)
• M23: 25,998,464 km (0.096 R)
• M24: 27,100,103 km (0.099 R)
• M25: 29,395,982 km (0.101 R)
• M26: 31,153,457 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.7

Radius: 5.9

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.31 AU - 6.35 AU

Year: 9717 Days

Day: 22 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,112,144 km

• M1: 119,529 km (0.11 R)
• M2: 310,864 km (0.116 R)
• M3: 507,436 km (0.077 R)
• M4: 1,099,245 km (0.063 R)
• M5: 1,835,267 km (0.034 R)
• M6: 2,207,616 km (0.071 R)
• M7: 2,577,871 km (0.036 R)
• M8: 4,313,655 km (0.119 R)
• M9: 4,814,059 km (0.051 R)
• M10: 6,233,743 km (0.116 R)
• M11: 7,519,238 km (0.104 R)
• M12: 10,515,085 km (0.102 R)
• M13: 12,819,042 km (0.053 R)
• M14: 13,955,237 km (0.101 R)
• M15: 14,712,352 km (0.114 R)
• M16: 23,394,414 km (0.07 R)
• M17: 23,696,004 km (0.097 R)
• M18: 28,536,243 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.5

Radius: 3.9

Gravity: 64.79 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.03 AU - 8.83 AU

Year: 16895 Days

Day: 21 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,112,144 km

• M1: 48,919 km (0.046 R)
• M2: 254,466 km (0.064 R)
• M3: 671,395 km (0.088 R)
• M4: 922,271 km (0.078 R)
• M5: 1,305,541 km (0.08 R)
• M6: 1,714,392 km (0.1 R)
• M7: 2,378,307 km (0.055 R)
• M8: 3,657,369 km (0.116 R)
• M9: 4,158,821 km (0.101 R)
• M10: 4,704,703 km (0.063 R)
• M11: 4,848,317 km (0.061 R)
• M12: 5,144,372 km (0.106 R)
• M13: 5,937,091 km (0.102 R)
• M14: 7,179,351 km (0.041 R)
• M15: 8,217,860 km (0.109 R)
• M16: 10,772,393 km (0.073 R)
• M17: 13,304,636 km (0.03 R)
• M18: 14,784,458 km (0.106 R)
• M19: 15,248,960 km (0.076 R)
• M20: 17,631,904 km (0.11 R)
• M21: 18,508,099 km (0.095 R)
• M22: 19,321,014 km (0.112 R)
• M23: 25,029,818 km (0.092 R)
• M24: 26,022,998 km (0.1 R)
• M25: 26,472,839 km (0.053 R)
• M26: 33,722,202 km (0.094 R)
• M27: 33,855,195 km (0.082 R)
• M28: 42,965,705 km (0.109 R)
• M29: 44,068,690 km (0.076 R)
• M30: 63,154,087 km (0.119 R)
• M31: 66,233,560 km (0.119 R)
• M32: 67,071,308 km (0.074 R)
• M33: 68,341,244 km (0.096 R)
• M34: 68,554,421 km (0.039 R)
• M35: 70,275,993 km (0.086 R)
• M36: 75,158,419 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.3

Radius: 5.9

Gravity: 20.55 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.26 AU - 10.12 AU

Year: 17682 Days

Day: 18.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,112,144 km

• M1: 74,649 km (0.084 R)
• M2: 268,229 km (0.094 R)
• M3: 685,308 km (0.111 R)
• M4: 2,489,458 km (0.097 R)
• M5: 3,278,437 km (0.093 R)
• M6: 3,584,814 km (0.089 R)
• M7: 6,333,076 km (0.102 R)
• M8: 7,638,467 km (0.04 R)
• M9: 7,929,435 km (0.069 R)
• M10: 9,832,918 km (0.088 R)
• M11: 16,356,283 km (0.057 R)
• M12: 19,134,914 km (0.119 R)
• M13: 19,943,939 km (0.11 R)
• M14: 23,612,827 km (0.046 R)
• M15: 25,821,640 km (0.085 R)
• M16: 31,503,217 km (0.11 R)
• M17: 32,000,780 km (0.087 R)
• M18: 32,884,155 km (0.067 R)
• M19: 35,631,520 km (0.091 R)
• M20: 38,811,971 km (0.115 R)
• M21: 39,527,647 km (0.079 R)
• M22: 41,132,832 km (0.118 R)
• M23: 44,784,965 km (0.066 R)
• M24: 45,256,198 km (0.107 R)
• M25: 47,989,052 km (0.058 R)
• M26: 49,982,893 km (0.091 R)
• M27: 57,766,320 km (0.089 R)
• M28: 59,074,703 km (0.119 R)
• M29: 63,512,524 km (0.087 R)
• M30: 67,136,682 km (0.084 R)
• M31: 69,838,270 km (0.038 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.9

Radius: 7.6

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.44 AU - 10.74 AU

Year: 22123 Days

Day: 23.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,112,144 km

• M1: 98,585 km (0.072 R)
• M2: 387,309 km (0.027 R)
• M3: 638,035 km (0.032 R)
• M4: 1,469,949 km (0.113 R)
• M5: 2,395,062 km (0.057 R)
• M6: 2,982,832 km (0.117 R)
• M7: 3,258,990 km (0.102 R)
• M8: 3,635,079 km (0.105 R)
• M9: 4,161,065 km (0.084 R)
• M10: 5,773,879 km (0.108 R)
• M11: 6,285,205 km (0.087 R)
• M12: 6,656,507 km (0.072 R)
• M13: 7,042,469 km (0.087 R)
• M14: 7,812,150 km (0.091 R)
• M15: 9,252,628 km (0.088 R)
• M16: 12,714,772 km (0.096 R)
• M17: 14,985,518 km (0.096 R)
• M18: 16,486,134 km (0.086 R)
• M19: 17,192,984 km (0.086 R)
• M20: 17,675,288 km (0.12 R)
• M21: 18,499,273 km (0.101 R)
• M22: 24,896,227 km (0.066 R)
• M23: 25,306,724 km (0.101 R)
• M24: 26,141,330 km (0.094 R)
• M25: 28,530,857 km (0.12 R)
• M26: 30,009,183 km (0.076 R)
• M27: 31,062,203 km (0.118 R)
• M28: 39,548,291 km (0.057 R)
• M29: 42,395,887 km (0.1 R)
• M30: 45,836,189 km (0.09 R)
• M31: 54,291,162 km (0.06 R)
• M32: 56,733,197 km (0.095 R)
• M33: 59,429,849 km (0.108 R)
• M34: 61,088,141 km (0.098 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 12,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit