🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.4

Radius: 10

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.63 AU - 1.69 AU

Year: 1381 Days

Day: 8.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,781,667 km

• M1: 124,316 km (0.073 R)
• M2: 557,701 km (0.08 R)
• M3: 988,393 km (0.112 R)
• M4: 2,925,835 km (0.069 R)
• M5: 3,456,160 km (0.117 R)
• M6: 3,815,793 km (0.048 R)
• M7: 5,135,246 km (0.117 R)
• M8: 6,800,121 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.8

Radius: 13.5

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.47 AU - 1.87 AU

Year: 1393 Days

Day: 6.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,781,667 km

• M1: 167,849 km (0.092 R)
• M2: 802,443 km (0.039 R)
• M3: 1,336,956 km (0.035 R)
• M4: 1,796,521 km (0.063 R)
• M5: 2,435,902 km (0.117 R)
• M6: 3,879,073 km (0.06 R)
• M7: 4,777,258 km (0.088 R)
• M8: 5,307,732 km (0.078 R)
• M9: 6,177,644 km (0.119 R)
• M10: 6,808,947 km (0.103 R)
• M11: 7,323,414 km (0.108 R)
• M12: 7,863,911 km (0.048 R)
• M13: 8,964,652 km (0.089 R)
• M14: 9,647,417 km (0.095 R)
• M15: 10,264,658 km (0.064 R)
• M16: 11,542,673 km (0.067 R)
• M17: 12,426,646 km (0.104 R)
• M18: 13,197,524 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.8

Radius: 13.5

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.52 AU - 2.54 AU

Year: 1867 Days

Day: 10.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,781,667 km

• M1: 168,447 km (0.107 R)
• M2: 706,551 km (0.085 R)
• M3: 1,234,182 km (0.093 R)
• M4: 3,507,472 km (0.112 R)
• M5: 4,019,545 km (0.09 R)
• M6: 4,539,547 km (0.067 R)
• M7: 8,440,312 km (0.119 R)
• M8: 9,960,376 km (0.105 R)
• M9: 10,654,360 km (0.086 R)
• M10: 11,537,287 km (0.073 R)
• M11: 13,102,530 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.7

Radius: 9.9

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.07 AU - 5.91 AU

Year: 7197 Days

Day: 12 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,781,667 km

• M1: 151,543 km (0.118 R)
• M2: 643,720 km (0.097 R)
• M3: 1,044,642 km (0.098 R)
• M4: 1,689,259 km (0.073 R)
• M5: 2,179,192 km (0.118 R)
• M6: 3,090,542 km (0.074 R)
• M7: 3,689,532 km (0.092 R)
• M8: 8,536,653 km (0.116 R)
• M9: 11,046,157 km (0.037 R)
• M10: 16,321,128 km (0.084 R)
• M11: 18,874,315 km (0.089 R)
• M12: 19,994,803 km (0.104 R)
• M13: 24,267,168 km (0.079 R)
• M14: 25,844,827 km (0.065 R)
• M15: 28,837,084 km (0.103 R)
• M16: 32,643,901 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.7

Radius: 8

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.41 AU - 6.11 AU

Year: 8926 Days

Day: 7.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,781,667 km

• M1: 99,483 km (0.085 R)
• M2: 1,594,564 km (0.086 R)
• M3: 2,619,459 km (0.09 R)
• M4: 3,282,925 km (0.088 R)
• M5: 6,104,042 km (0.064 R)
• M6: 6,551,788 km (0.042 R)
• M7: 7,159,455 km (0.036 R)
• M8: 7,767,271 km (0.04 R)
• M9: 10,278,720 km (0.096 R)
• M10: 11,286,711 km (0.084 R)
• M11: 13,498,216 km (0.113 R)
• M12: 16,163,152 km (0.075 R)
• M13: 17,270,625 km (0.098 R)
• M14: 18,625,683 km (0.081 R)
• M15: 19,295,283 km (0.092 R)
• M16: 20,189,429 km (0.111 R)
• M17: 22,658,692 km (0.098 R)
• M18: 25,079,485 km (0.06 R)
• M19: 25,813,262 km (0.091 R)
• M20: 27,323,901 km (0.07 R)
• M21: 31,262,813 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.9

Radius: 4.4

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.8 AU - 6.66 AU

Year: 10040 Days

Day: 16.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,781,667 km

• M1: 54,902 km (0.088 R)
• M2: 420,520 km (0.032 R)
• M3: 686,654 km (0.112 R)
• M4: 862,133 km (0.096 R)
• M5: 1,517,222 km (0.102 R)
• M6: 2,279,722 km (0.066 R)
• M7: 2,674,511 km (0.12 R)
• M8: 2,815,731 km (0.042 R)
• M9: 3,113,281 km (0.097 R)
• M10: 4,566,625 km (0.102 R)
• M11: 4,950,942 km (0.092 R)
• M12: 5,440,276 km (0.087 R)
• M13: 6,419,843 km (0.11 R)
• M14: 6,771,099 km (0.118 R)
• M15: 9,232,283 km (0.096 R)
• M16: 10,183,725 km (0.12 R)
• M17: 11,848,750 km (0.101 R)
• M18: 12,376,830 km (0.105 R)
• M19: 12,622,021 km (0.056 R)
• M20: 17,239,659 km (0.057 R)
• M21: 19,324,903 km (0.08 R)
• M22: 19,721,338 km (0.101 R)
• M23: 21,221,356 km (0.087 R)
• M24: 23,536,383 km (0.069 R)
• M25: 23,988,467 km (0.084 R)
• M26: 24,987,632 km (0.082 R)
• M27: 25,379,279 km (0.072 R)
• M28: 25,695,529 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.5

Radius: 6.2

Gravity: 14.79 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.72 AU - 8.54 AU

Year: 13608 Days

Day: 20.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 89,781,667 km

• M1: 77,193 km (0.116 R)
• M2: 348,563 km (0.104 R)
• M3: 689,646 km (0.055 R)
• M4: 982,260 km (0.069 R)
• M5: 1,553,723 km (0.119 R)
• M6: 1,770,940 km (0.113 R)
• M7: 2,116,810 km (0.082 R)
• M8: 3,585,861 km (0.108 R)
• M9: 3,968,383 km (0.118 R)
• M10: 4,468,937 km (0.072 R)
• M11: 5,043,842 km (0.101 R)
• M12: 5,314,764 km (0.105 R)
• M13: 6,301,362 km (0.101 R)
• M14: 6,615,667 km (0.027 R)
• M15: 7,065,059 km (0.116 R)
• M16: 7,622,161 km (0.113 R)
• M17: 8,254,362 km (0.103 R)
• M18: 8,823,582 km (0.049 R)
• M19: 9,882,136 km (0.059 R)
• M20: 11,249,760 km (0.025 R)
• M21: 13,241,955 km (0.076 R)
• M22: 16,542,533 km (0.107 R)
• M23: 19,432,913 km (0.071 R)
• M24: 21,301,989 km (0.099 R)
• M25: 28,253,353 km (0.084 R)
• M26: 30,981,719 km (0.067 R)
• M27: 31,547,797 km (0.112 R)
• M28: 33,761,547 km (0.066 R)
• M29: 34,360,985 km (0.072 R)
• M30: 39,150,062 km (0.051 R)
• M31: 40,885,397 km (0.117 R)
• M32: 42,950,596 km (0.101 R)
• M33: 43,654,155 km (0.075 R)
• M34: 50,491,825 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355

Radius: 5

Gravity: 14.2 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.74 AU - 9.2 AU

Year: 17346 Days

Day: 17.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 89,781,667 km

• M1: 73,004 km (0.042 R)
• M2: 289,621 km (0.054 R)
• M3: 561,890 km (0.089 R)
• M4: 839,394 km (0.094 R)
• M5: 1,458,729 km (0.116 R)
• M6: 2,168,272 km (0.099 R)
• M7: 3,355,630 km (0.112 R)
• M8: 3,642,259 km (0.054 R)
• M9: 4,175,725 km (0.09 R)
• M10: 4,759,606 km (0.057 R)
• M11: 5,021,103 km (0.057 R)
• M12: 5,537,216 km (0.076 R)
• M13: 5,753,385 km (0.04 R)
• M14: 6,357,162 km (0.114 R)
• M15: 6,796,231 km (0.085 R)
• M16: 9,605,230 km (0.114 R)
• M17: 10,672,611 km (0.079 R)
• M18: 11,177,654 km (0.089 R)
• M19: 13,358,641 km (0.095 R)
• M20: 14,278,369 km (0.075 R)
• M21: 15,239,535 km (0.071 R)
• M22: 18,301,504 km (0.059 R)
• M23: 18,540,562 km (0.059 R)
• M24: 20,018,140 km (0.05 R)
• M25: 22,560,855 km (0.101 R)
• M26: 23,862,207 km (0.099 R)
• M27: 31,012,237 km (0.111 R)
• M28: 32,735,604 km (0.111 R)
• M29: 32,970,174 km (0.1 R)
• M30: 37,002,884 km (0.069 R)
• M31: 46,620,531 km (0.066 R)
• M32: 53,284,368 km (0.099 R)
• M33: 53,608,995 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.4

Radius: 5.6

Gravity: 15.73 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 9.19 AU - 10.27 AU

Year: 19597 Days

Day: 24.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,781,667 km

• M1: 70,760 km (0.081 R)
• M2: 262,095 km (0.087 R)
• M3: 1,210,546 km (0.076 R)
• M4: 1,760,318 km (0.04 R)
• M5: 2,292,887 km (0.088 R)
• M6: 3,051,497 km (0.09 R)
• M7: 3,338,127 km (0.078 R)
• M8: 4,087,612 km (0.084 R)
• M9: 4,634,841 km (0.088 R)
• M10: 8,933,686 km (0.088 R)
• M11: 10,831,185 km (0.064 R)
• M12: 12,781,642 km (0.091 R)
• M13: 16,480,001 km (0.119 R)
• M14: 36,995,254 km (0.117 R)
• M15: 44,945,334 km (0.088 R)
• M16: 47,775,426 km (0.088 R)
• M17: 48,582,208 km (0.111 R)
• M18: 54,485,340 km (0.073 R)
• M19: 56,434,899 km (0.109 R)
• M20: 58,982,700 km (0.088 R)
• M21: 67,084,772 km (0.027 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.1

Radius: 6.7

Gravity: 17.78 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 8.83 AU - 13.29 AU

Year: 23749 Days

Day: 16.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 89,781,667 km

• M1: 83,326 km (0.088 R)
• M2: 790,176 km (0.109 R)
• M3: 1,323,343 km (0.079 R)
• M4: 1,588,281 km (0.111 R)
• M5: 2,886,940 km (0.116 R)
• M6: 3,191,072 km (0.039 R)
• M7: 3,425,492 km (0.09 R)
• M8: 5,611,416 km (0.11 R)
• M9: 6,310,786 km (0.087 R)
• M10: 8,311,658 km (0.109 R)
• M11: 11,295,686 km (0.091 R)
• M12: 11,912,030 km (0.106 R)
• M13: 12,478,557 km (0.109 R)
• M14: 12,988,985 km (0.05 R)
• M15: 14,207,609 km (0.055 R)
• M16: 14,844,746 km (0.109 R)
• M17: 16,607,608 km (0.056 R)
• M18: 19,458,195 km (0.104 R)
• M19: 23,818,375 km (0.073 R)
• M20: 26,224,507 km (0.102 R)
• M21: 29,678,273 km (0.119 R)
• M22: 33,983,251 km (0.094 R)
• M23: 39,148,716 km (0.112 R)
• M24: 43,973,097 km (0.076 R)
• M25: 57,335,778 km (0.095 R)
• M26: 67,677,329 km (0.103 R)
• M27: 70,615,880 km (0.111 R)
• M28: 75,540,492 km (0.061 R)
• M29: 88,176,725 km (0.099 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 15,635 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit