🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.4

Radius: 10.5

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.61 AU - 0.93 AU

Year: 458 Days

Day: 7.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,026,337 km

• M1: 130,599 km (0.03 R)
• M2: 497,862 km (0.038 R)
• M3: 953,088 km (0.025 R)
• M4: 1,333,815 km (0.081 R)
• M5: 2,154,658 km (0.096 R)
• M6: 2,517,433 km (0.081 R)
• M7: 3,078,425 km (0.107 R)
• M8: 4,172,733 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.6

Radius: 8.4

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.36 AU - 2.1 AU

Year: 1543 Days

Day: 14.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,026,337 km

• M1: 106,514 km (0.081 R)
• M2: 468,690 km (0.068 R)
• M3: 806,183 km (0.093 R)
• M4: 1,138,440 km (0.117 R)
• M5: 1,626,278 km (0.119 R)
• M6: 2,391,920 km (0.115 R)
• M7: 3,667,691 km (0.1 R)
• M8: 4,425,105 km (0.066 R)
• M9: 5,033,220 km (0.085 R)
• M10: 6,013,386 km (0.052 R)
• M11: 6,295,078 km (0.117 R)
• M12: 6,910,374 km (0.055 R)
• M13: 7,351,389 km (0.07 R)
• M14: 7,810,954 km (0.111 R)
• M15: 8,907,506 km (0.071 R)
• M16: 9,940,330 km (0.118 R)
• M17: 12,734,070 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.6

Radius: 11.2

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.6 AU - 2.22 AU

Year: 1790 Days

Day: 12.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,026,337 km

• M1: 139,276 km (0.083 R)
• M2: 500,255 km (0.097 R)
• M3: 873,801 km (0.106 R)
• M4: 1,276,070 km (0.056 R)
• M5: 1,781,860 km (0.109 R)
• M6: 2,569,194 km (0.1 R)
• M7: 3,090,393 km (0.046 R)
• M8: 3,938,164 km (0.114 R)
• M9: 4,718,466 km (0.092 R)
• M10: 5,089,619 km (0.091 R)
• M11: 5,792,430 km (0.051 R)
• M12: 6,270,245 km (0.086 R)
• M13: 7,420,503 km (0.113 R)
• M14: 8,387,504 km (0.115 R)
• M15: 8,803,535 km (0.048 R)
• M16: 9,368,417 km (0.083 R)
• M17: 14,702,778 km (0.098 R)
• M18: 15,073,781 km (0.068 R)
• M19: 16,922,362 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999

Radius: 12.6

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.9 AU - 2.12 AU

Year: 1933 Days

Day: 9.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,026,337 km

• M1: 156,779 km (0.108 R)
• M2: 677,978 km (0.055 R)
• M3: 1,091,616 km (0.065 R)
• M4: 1,754,933 km (0.12 R)
• M5: 2,328,341 km (0.116 R)
• M6: 2,823,510 km (0.066 R)
• M7: 3,528,116 km (0.072 R)
• M8: 4,047,819 km (0.068 R)
• M9: 4,661,170 km (0.051 R)
• M10: 5,599,000 km (0.086 R)
• M11: 8,937,725 km (0.077 R)
• M12: 9,694,840 km (0.095 R)
• M13: 10,419,940 km (0.081 R)
• M14: 12,770,871 km (0.096 R)
• M15: 15,748,617 km (0.054 R)
• M16: 16,244,534 km (0.084 R)
• M17: 17,059,842 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.1

Radius: 12.6

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.85 AU - 2.66 AU

Year: 2289 Days

Day: 12.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,026,337 km

• M1: 160,369 km (0.082 R)
• M2: 585,227 km (0.09 R)
• M3: 1,063,342 km (0.1 R)
• M4: 1,582,745 km (0.09 R)
• M5: 2,041,263 km (0.107 R)
• M6: 2,516,984 km (0.031 R)
• M7: 3,083,212 km (0.1 R)
• M8: 3,530,959 km (0.042 R)
• M9: 3,982,744 km (0.117 R)
• M10: 5,356,801 km (0.072 R)
• M11: 6,489,556 km (0.106 R)
• M12: 7,409,433 km (0.039 R)
• M13: 8,381,520 km (0.051 R)
• M14: 10,200,780 km (0.051 R)
• M15: 10,694,004 km (0.045 R)
• M16: 11,443,489 km (0.119 R)
• M17: 13,224,901 km (0.093 R)
• M18: 15,233,252 km (0.101 R)
• M19: 16,080,874 km (0.085 R)
• M20: 16,802,234 km (0.043 R)
• M21: 18,925,926 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.9

Radius: 13

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.25 AU - 3.55 AU

Year: 3350 Days

Day: 7.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,026,337 km

• M1: 163,660 km (0.108 R)
• M2: 714,031 km (0.034 R)
• M3: 1,578,706 km (0.101 R)
• M4: 3,095,778 km (0.099 R)
• M5: 4,355,841 km (0.104 R)
• M6: 5,078,100 km (0.096 R)
• M7: 6,070,831 km (0.057 R)
• M8: 7,377,569 km (0.081 R)
• M9: 7,996,605 km (0.056 R)
• M10: 8,650,198 km (0.108 R)
• M11: 9,117,691 km (0.096 R)
• M12: 9,716,232 km (0.104 R)
• M13: 11,976,058 km (0.048 R)
• M14: 14,870,627 km (0.112 R)
• M15: 15,385,991 km (0.088 R)
• M16: 17,228,439 km (0.103 R)
• M17: 18,674,003 km (0.102 R)
• M18: 19,213,752 km (0.108 R)
• M19: 19,887,541 km (0.108 R)
• M20: 20,387,497 km (0.088 R)
• M21: 21,674,039 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.4

Radius: 15

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.43 AU - 3.99 AU

Year: 3901 Days

Day: 10.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,026,337 km

• M1: 187,297 km (0.054 R)
• M2: 781,499 km (0.053 R)
• M3: 1,373,159 km (0.115 R)
• M4: 2,895,018 km (0.055 R)
• M5: 3,845,862 km (0.104 R)
• M6: 5,148,860 km (0.08 R)
• M7: 6,698,693 km (0.117 R)
• M8: 8,505,237 km (0.117 R)
• M9: 9,758,718 km (0.082 R)
• M10: 11,797,587 km (0.104 R)
• M11: 13,159,526 km (0.081 R)
• M12: 13,702,716 km (0.084 R)
• M13: 14,209,554 km (0.112 R)
• M14: 17,341,834 km (0.114 R)
• M15: 21,176,327 km (0.09 R)
• M16: 22,477,828 km (0.031 R)
• M17: 25,543,388 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572

Radius: 6.1

Gravity: 15.37 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.66 AU - 8.98 AU

Year: 14832 Days

Day: 17.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 96.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,026,337 km

• M1: 75,846 km (0.118 R)
• M2: 334,501 km (0.103 R)
• M3: 752,627 km (0.109 R)
• M4: 1,349,074 km (0.094 R)
• M5: 1,908,270 km (0.118 R)
• M6: 3,192,419 km (0.105 R)
• M7: 3,526,919 km (0.069 R)
• M8: 6,889,281 km (0.096 R)
• M9: 7,898,768 km (0.115 R)
• M10: 8,463,051 km (0.114 R)
• M11: 8,903,467 km (0.109 R)
• M12: 10,152,908 km (0.107 R)
• M13: 10,538,272 km (0.106 R)
• M14: 13,646,916 km (0.104 R)
• M15: 15,734,854 km (0.046 R)
• M16: 17,947,107 km (0.086 R)
• M17: 19,588,196 km (0.032 R)
• M18: 22,883,238 km (0.08 R)
• M19: 23,260,225 km (0.053 R)
• M20: 23,641,400 km (0.108 R)
• M21: 26,841,598 km (0.099 R)
• M22: 31,118,152 km (0.106 R)
• M23: 33,598,784 km (0.102 R)
• M24: 35,827,493 km (0.057 R)
• M25: 36,463,583 km (0.083 R)
• M26: 37,627,604 km (0.075 R)
• M27: 41,129,092 km (0.074 R)
• M28: 45,878,077 km (0.112 R)
• M29: 46,779,105 km (0.08 R)
• M30: 47,082,040 km (0.097 R)
• M31: 54,583,476 km (0.063 R)
• M32: 55,934,943 km (0.092 R)
• M33: 58,353,193 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 502

Radius: 6.4

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.17 AU - 9.09 AU

Year: 17195 Days

Day: 16.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 62,026,337 km

• M1: 83,027 km (0.113 R)
• M2: 484,697 km (0.116 R)
• M3: 833,260 km (0.102 R)
• M4: 1,168,359 km (0.082 R)
• M5: 1,381,985 km (0.083 R)
• M6: 1,637,797 km (0.058 R)
• M7: 2,015,831 km (0.058 R)
• M8: 2,429,469 km (0.079 R)
• M9: 2,667,779 km (0.09 R)
• M10: 3,425,342 km (0.06 R)
• M11: 4,014,459 km (0.054 R)
• M12: 5,108,618 km (0.074 R)
• M13: 7,412,275 km (0.072 R)
• M14: 9,512,480 km (0.087 R)
• M15: 9,725,956 km (0.088 R)
• M16: 10,555,626 km (0.07 R)
• M17: 15,866,051 km (0.117 R)
• M18: 16,091,196 km (0.096 R)
• M19: 17,407,657 km (0.097 R)
• M20: 18,627,628 km (0.107 R)
• M21: 19,643,696 km (0.101 R)
• M22: 21,418,526 km (0.093 R)
• M23: 23,491,354 km (0.095 R)
• M24: 24,078,974 km (0.106 R)
• M25: 26,318,005 km (0.088 R)
• M26: 28,031,051 km (0.043 R)
• M27: 28,803,424 km (0.085 R)
• M28: 30,160,128 km (0.115 R)
• M29: 30,505,848 km (0.095 R)
• M30: 38,526,837 km (0.081 R)
• M31: 39,481,122 km (0.115 R)
• M32: 42,294,609 km (0.087 R)
• M33: 43,456,386 km (0.084 R)
• M34: 47,534,574 km (0.113 R)
• M35: 50,714,875 km (0.05 R)
• M36: 52,689,567 km (0.118 R)
• M37: 54,886,112 km (0.118 R)
• M38: 55,920,133 km (0.118 R)
• M39: 58,027,069 km (0.09 R)
• M40: 61,285,909 km (0.104 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 12,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit