🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.4

Radius: 12.9

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.55 AU - 0.59 AU

Year: 287 Days

Day: 12.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,810,812 km

• M1: 160,668 km (0.118 R)
• M2: 569,369 km (0.093 R)
• M3: 1,041,500 km (0.039 R)
• M4: 1,830,031 km (0.111 R)
• M5: 2,524,763 km (0.109 R)
• M6: 3,453,168 km (0.049 R)
• M7: 3,967,485 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.7

Radius: 9.4

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.85 AU - 0.87 AU

Year: 532 Days

Day: 5.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,810,812 km

• M1: 116,986 km (0.056 R)
• M2: 410,048 km (0.094 R)
• M3: 1,127,818 km (0.078 R)
• M4: 1,511,986 km (0.08 R)
• M5: 1,854,415 km (0.038 R)
• M6: 2,186,672 km (0.095 R)
• M7: 2,500,379 km (0.097 R)
• M8: 2,823,211 km (0.086 R)
• M9: 3,383,754 km (0.092 R)
• M10: 3,754,607 km (0.083 R)
• M11: 4,221,652 km (0.03 R)
• M12: 4,757,063 km (0.043 R)
• M13: 5,143,923 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.3

Radius: 10.2

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.48 AU - 2.84 AU

Year: 2893 Days

Day: 10.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,810,812 km

• M1: 127,009 km (0.05 R)
• M2: 458,517 km (0.111 R)
• M3: 830,867 km (0.09 R)
• M4: 1,380,938 km (0.053 R)
• M5: 1,799,662 km (0.05 R)
• M6: 2,480,034 km (0.106 R)
• M7: 3,034,892 km (0.066 R)
• M8: 3,475,009 km (0.112 R)
• M9: 4,348,062 km (0.111 R)
• M10: 4,933,588 km (0.064 R)
• M11: 5,309,528 km (0.084 R)
• M12: 5,731,693 km (0.114 R)
• M13: 7,649,388 km (0.118 R)
• M14: 8,862,477 km (0.11 R)
• M15: 9,268,934 km (0.119 R)
• M16: 12,381,468 km (0.086 R)
• M17: 14,297,966 km (0.076 R)
• M18: 16,626,158 km (0.089 R)
• M19: 17,474,527 km (0.118 R)
• M20: 18,055,865 km (0.108 R)
• M21: 19,318,919 km (0.082 R)
• M22: 19,690,371 km (0.041 R)
• M23: 20,256,449 km (0.116 R)
• M24: 20,898,224 km (0.029 R)
• M25: 21,886,019 km (0.092 R)
• M26: 22,222,165 km (0.079 R)
• M27: 22,698,635 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.7

Radius: 10.6

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.53 AU - 3.95 AU

Year: 3889 Days

Day: 8.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,810,812 km

• M1: 131,945 km (0.088 R)
• M2: 518,357 km (0.115 R)
• M3: 944,411 km (0.097 R)
• M4: 1,383,332 km (0.118 R)
• M5: 1,877,453 km (0.061 R)
• M6: 2,285,407 km (0.112 R)
• M7: 3,110,738 km (0.089 R)
• M8: 3,460,199 km (0.092 R)
• M9: 3,857,531 km (0.065 R)
• M10: 4,262,043 km (0.037 R)
• M11: 5,183,117 km (0.068 R)
• M12: 5,819,656 km (0.12 R)
• M13: 6,823,009 km (0.107 R)
• M14: 8,009,320 km (0.063 R)
• M15: 8,483,246 km (0.028 R)
• M16: 8,937,426 km (0.113 R)
• M17: 10,483,220 km (0.057 R)
• M18: 10,874,120 km (0.108 R)
• M19: 12,105,460 km (0.112 R)
• M20: 14,520,418 km (0.111 R)
• M21: 15,336,774 km (0.08 R)
• M22: 18,467,408 km (0.084 R)
• M23: 19,555,882 km (0.094 R)
• M24: 20,215,759 km (0.088 R)
• M25: 20,551,157 km (0.081 R)
• M26: 22,071,670 km (0.088 R)
• M27: 23,443,931 km (0.028 R)
• M28: 24,113,531 km (0.118 R)
• M29: 26,119,639 km (0.114 R)
• M30: 27,326,295 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.3

Radius: 11.2

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.56 AU - 4.28 AU

Year: 5176 Days

Day: 10.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,810,812 km

• M1: 139,276 km (0.108 R)
• M2: 497,263 km (0.076 R)
• M3: 908,209 km (0.1 R)
• M4: 1,510,789 km (0.114 R)
• M5: 2,054,876 km (0.04 R)
• M6: 2,695,155 km (0.113 R)
• M7: 3,105,801 km (0.104 R)
• M8: 3,673,226 km (0.043 R)
• M9: 4,528,926 km (0.089 R)
• M10: 6,041,660 km (0.059 R)
• M11: 6,431,960 km (0.027 R)
• M12: 8,608,161 km (0.113 R)
• M13: 10,151,113 km (0.117 R)
• M14: 10,504,463 km (0.057 R)
• M15: 11,152,970 km (0.087 R)
• M16: 12,263,435 km (0.118 R)
• M17: 14,954,102 km (0.093 R)
• M18: 15,827,455 km (0.094 R)
• M19: 16,303,326 km (0.101 R)
• M20: 19,422,142 km (0.084 R)
• M21: 20,213,664 km (0.071 R)
• M22: 21,153,438 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.6

Radius: 13.4

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.71 AU - 4.17 AU

Year: 5215 Days

Day: 9.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,810,812 km

• M1: 166,652 km (0.1 R)
• M2: 864,825 km (0.112 R)
• M3: 1,402,031 km (0.105 R)
• M4: 2,488,261 km (0.028 R)
• M5: 3,543,375 km (0.028 R)
• M6: 4,051,410 km (0.115 R)
• M7: 4,850,113 km (0.073 R)
• M8: 6,423,583 km (0.119 R)
• M9: 7,735,108 km (0.05 R)
• M10: 9,260,707 km (0.102 R)
• M11: 10,600,505 km (0.11 R)
• M12: 11,563,018 km (0.055 R)
• M13: 13,115,096 km (0.097 R)
• M14: 13,551,473 km (0.062 R)
• M15: 14,281,361 km (0.101 R)
• M16: 16,127,997 km (0.109 R)
• M17: 18,196,337 km (0.072 R)
• M18: 18,671,310 km (0.046 R)
• M19: 20,218,451 km (0.106 R)
• M20: 20,875,485 km (0.066 R)
• M21: 22,309,231 km (0.109 R)
• M22: 27,623,097 km (0.109 R)
• M23: 31,244,413 km (0.058 R)
• M24: 32,320,470 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.3

Radius: 13.4

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.13 AU - 4.51 AU

Year: 5988 Days

Day: 6 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,810,812 km

• M1: 166,802 km (0.108 R)
• M2: 808,128 km (0.067 R)
• M3: 1,231,490 km (0.108 R)
• M4: 2,044,704 km (0.056 R)
• M5: 2,919,402 km (0.113 R)
• M6: 3,503,433 km (0.12 R)
• M7: 4,418,822 km (0.106 R)
• M8: 5,682,026 km (0.076 R)
• M9: 6,474,446 km (0.101 R)
• M10: 6,945,829 km (0.083 R)
• M11: 7,887,249 km (0.074 R)
• M12: 8,685,353 km (0.08 R)
• M13: 9,456,979 km (0.061 R)
• M14: 10,023,955 km (0.05 R)
• M15: 11,405,641 km (0.081 R)
• M16: 13,058,249 km (0.038 R)
• M17: 14,438,438 km (0.102 R)
• M18: 15,082,158 km (0.038 R)
• M19: 18,342,943 km (0.117 R)
• M20: 19,290,496 km (0.055 R)
• M21: 20,337,083 km (0.102 R)
• M22: 21,907,112 km (0.045 R)
• M23: 23,704,082 km (0.118 R)
• M24: 27,021,415 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144

Radius: 10.7

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.54 AU - 5.88 AU

Year: 7930 Days

Day: 10.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,810,812 km

• M1: 440,267 km (0.042 R)
• M2: 801,994 km (0.118 R)
• M3: 1,201,271 km (0.096 R)
• M4: 1,664,127 km (0.115 R)
• M5: 2,818,873 km (0.108 R)
• M6: 3,469,623 km (0.099 R)
• M7: 6,205,469 km (0.059 R)
• M8: 6,802,365 km (0.082 R)
• M9: 8,825,078 km (0.119 R)
• M10: 10,255,981 km (0.108 R)
• M11: 11,746,574 km (0.111 R)
• M12: 13,376,742 km (0.083 R)
• M13: 15,472,309 km (0.053 R)
• M14: 16,570,208 km (0.075 R)
• M15: 19,043,659 km (0.075 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.4

Radius: 14.1

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.68 AU - 5.9 AU

Year: 8114 Days

Day: 6.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,810,812 km

• M1: 176,525 km (0.118 R)
• M2: 1,041,201 km (0.025 R)
• M3: 1,817,913 km (0.088 R)
• M4: 2,674,361 km (0.106 R)
• M5: 3,761,489 km (0.097 R)
• M6: 4,448,741 km (0.106 R)
• M7: 5,376,547 km (0.043 R)
• M8: 6,075,768 km (0.114 R)
• M9: 6,834,977 km (0.108 R)
• M10: 7,415,566 km (0.119 R)
• M11: 8,326,468 km (0.082 R)
• M12: 13,733,982 km (0.074 R)
• M13: 14,660,891 km (0.117 R)
• M14: 15,961,345 km (0.101 R)
• M15: 18,346,533 km (0.094 R)
• M16: 18,790,839 km (0.054 R)
• M17: 22,356,803 km (0.064 R)
• M18: 23,034,931 km (0.039 R)
• M19: 26,445,164 km (0.057 R)
• M20: 26,917,594 km (0.037 R)
• M21: 30,487,597 km (0.083 R)
• M22: 31,321,905 km (0.102 R)
• M23: 32,171,321 km (0.114 R)
• M24: 39,652,112 km (0.095 R)
• M25: 40,520,977 km (0.101 R)
• M26: 42,813,863 km (0.119 R)
• M27: 44,124,341 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792.7

Radius: 3

Gravity: 88.08 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 6.25 AU - 8.93 AU

Year: 13944 Days

Day: 15.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 62,810,812 km

• M1: 38,746 km (0.112 R)
• M2: 165,904 km (0.091 R)
• M3: 271,071 km (0.058 R)
• M4: 894,296 km (0.117 R)
• M5: 1,962,275 km (0.115 R)
• M6: 2,113,668 km (0.119 R)
• M7: 2,570,391 km (0.105 R)
• M8: 2,941,693 km (0.081 R)
• M9: 3,509,117 km (0.115 R)
• M10: 3,704,043 km (0.042 R)
• M11: 3,994,862 km (0.107 R)
• M12: 4,176,473 km (0.074 R)
• M13: 7,650,884 km (0.058 R)
• M14: 7,836,984 km (0.109 R)
• M15: 8,169,839 km (0.104 R)
• M16: 10,367,731 km (0.105 R)
• M17: 10,710,759 km (0.118 R)
• M18: 11,299,277 km (0.118 R)
• M19: 12,158,866 km (0.099 R)
• M20: 12,476,163 km (0.12 R)
• M21: 15,070,489 km (0.112 R)
• M22: 16,415,973 km (0.074 R)
• M23: 18,084,438 km (0.057 R)
• M24: 20,838,834 km (0.074 R)
• M25: 21,568,572 km (0.055 R)
• M26: 21,939,874 km (0.102 R)
• M27: 22,315,365 km (0.08 R)
• M28: 25,064,375 km (0.107 R)
• M29: 25,577,945 km (0.084 R)
• M30: 29,598,088 km (0.101 R)
• M31: 29,712,231 km (0.098 R)
• M32: 31,936,901 km (0.081 R)
• M33: 32,783,775 km (0.114 R)
• M34: 37,643,462 km (0.076 R)
• M35: 40,243,922 km (0.1 R)
• M36: 41,231,417 km (0.096 R)
• M37: 44,141,694 km (0.112 R)
• M38: 52,509,451 km (0.032 R)
• M39: 52,676,701 km (0.063 R)
• M40: 60,211,049 km (0.118 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 17,611 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit