🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.7

Radius: 14.5

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.78 AU - 0.84 AU

Year: 494 Days

Day: 9.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 179.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,526,966 km

• M1: 180,265 km (0.083 R)
• M2: 669,899 km (0.108 R)
• M3: 1,146,219 km (0.088 R)
• M4: 1,770,341 km (0.107 R)
• M5: 2,272,691 km (0.099 R)
• M6: 2,728,366 km (0.09 R)
• M7: 3,781,834 km (0.094 R)
• M8: 4,455,473 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.8

Radius: 13.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.72 AU - 1.12 AU

Year: 599 Days

Day: 9.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,526,966 km

• M1: 167,849 km (0.032 R)
• M2: 618,886 km (0.1 R)
• M3: 1,209,499 km (0.047 R)
• M4: 1,880,595 km (0.075 R)
• M5: 2,317,869 km (0.091 R)
• M6: 3,197,954 km (0.107 R)
• M7: 3,631,339 km (0.074 R)
• M8: 4,062,181 km (0.108 R)
• M9: 4,835,901 km (0.064 R)
• M10: 5,479,172 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.5

Radius: 10

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.4 AU - 1.76 AU

Year: 1347 Days

Day: 7.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,526,966 km

• M1: 125,064 km (0.107 R)
• M2: 463,005 km (0.041 R)
• M3: 834,906 km (0.097 R)
• M4: 1,219,671 km (0.079 R)
• M5: 1,552,676 km (0.074 R)
• M6: 2,224,371 km (0.065 R)
• M7: 2,640,103 km (0.112 R)
• M8: 4,385,013 km (0.062 R)
• M9: 4,734,324 km (0.091 R)
• M10: 5,222,312 km (0.117 R)
• M11: 6,207,863 km (0.098 R)
• M12: 6,865,794 km (0.117 R)
• M13: 8,128,550 km (0.119 R)
• M14: 8,974,376 km (0.03 R)
• M15: 9,479,119 km (0.075 R)
• M16: 9,940,031 km (0.066 R)
• M17: 10,287,546 km (0.096 R)
• M18: 11,413,420 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.9

Radius: 8.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.56 AU - 1.74 AU

Year: 1438 Days

Day: 6 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,526,966 km

• M1: 110,702 km (0.099 R)
• M2: 442,361 km (0.072 R)
• M3: 944,561 km (0.111 R)
• M4: 1,387,071 km (0.118 R)
• M5: 2,050,987 km (0.119 R)
• M6: 2,461,035 km (0.059 R)
• M7: 3,376,424 km (0.113 R)
• M8: 3,663,053 km (0.066 R)
• M9: 5,050,723 km (0.05 R)
• M10: 8,636,435 km (0.095 R)

Asteroid Belt

Center: 1.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.4

Radius: 12.2

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.9 AU - 2.76 AU

Year: 2412 Days

Day: 6 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,526,966 km

• M1: 152,440 km (0.075 R)
• M2: 1,100,891 km (0.065 R)
• M3: 1,494,483 km (0.12 R)
• M4: 2,027,500 km (0.064 R)
• M5: 2,426,627 km (0.082 R)
• M6: 2,878,562 km (0.041 R)
• M7: 3,849,901 km (0.091 R)
• M8: 4,373,943 km (0.119 R)
• M9: 6,000,670 km (0.101 R)
• M10: 7,334,185 km (0.114 R)
• M11: 7,801,379 km (0.111 R)
• M12: 8,288,171 km (0.082 R)
• M13: 9,041,097 km (0.119 R)
• M14: 9,578,752 km (0.067 R)
• M15: 10,272,287 km (0.063 R)
• M16: 10,718,239 km (0.095 R)
• M17: 11,105,697 km (0.112 R)
• M18: 11,908,738 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.8

Radius: 11.4

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.08 AU - 2.7 AU

Year: 2506 Days

Day: 7 Hours

Environment

Temp: -211 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,526,966 km

• M1: 141,819 km (0.105 R)
• M2: 712,235 km (0.041 R)
• M3: 1,150,108 km (0.045 R)
• M4: 2,137,903 km (0.084 R)
• M5: 2,753,947 km (0.111 R)
• M6: 3,190,923 km (0.117 R)
• M7: 3,943,101 km (0.084 R)
• M8: 4,500,951 km (0.071 R)
• M9: 5,424,568 km (0.106 R)
• M10: 5,846,883 km (0.068 R)
• M11: 6,240,774 km (0.099 R)
• M12: 6,973,056 km (0.061 R)
• M13: 7,938,112 km (0.086 R)
• M14: 8,453,028 km (0.077 R)
• M15: 8,957,920 km (0.116 R)
• M16: 15,730,814 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.7

Radius: 14

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.91 AU - 3.87 AU

Year: 4233 Days

Day: 10.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,526,966 km

• M1: 174,581 km (0.07 R)
• M2: 737,518 km (0.055 R)
• M3: 1,436,439 km (0.116 R)
• M4: 2,459,239 km (0.079 R)
• M5: 3,009,610 km (0.094 R)
• M6: 3,517,046 km (0.104 R)
• M7: 4,013,412 km (0.113 R)
• M8: 4,482,999 km (0.102 R)
• M9: 6,057,966 km (0.094 R)
• M10: 6,906,335 km (0.083 R)
• M11: 7,868,399 km (0.043 R)
• M12: 10,272,587 km (0.061 R)
• M13: 11,112,429 km (0.116 R)
• M14: 12,335,392 km (0.115 R)
• M15: 13,284,590 km (0.051 R)
• M16: 15,841,966 km (0.075 R)
• M17: 17,023,938 km (0.071 R)
• M18: 18,583,197 km (0.119 R)
• M19: 19,430,669 km (0.069 R)
• M20: 22,637,898 km (0.091 R)
• M21: 23,831,689 km (0.105 R)
• M22: 26,263,701 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.5

Radius: 12.7

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.08 AU - 4.08 AU

Year: 5590 Days

Day: 11.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 137.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,526,966 km

• M1: 158,275 km (0.104 R)
• M2: 865,872 km (0.087 R)
• M3: 1,304,643 km (0.045 R)
• M4: 1,944,024 km (0.109 R)
• M5: 2,422,738 km (0.072 R)
• M6: 2,996,894 km (0.081 R)
• M7: 3,527,967 km (0.044 R)
• M8: 4,017,900 km (0.063 R)
• M9: 4,827,074 km (0.1 R)
• M10: 6,916,957 km (0.106 R)
• M11: 7,467,327 km (0.11 R)
• M12: 8,313,602 km (0.057 R)
• M13: 8,971,833 km (0.101 R)
• M14: 11,447,528 km (0.043 R)
• M15: 11,958,106 km (0.063 R)
• M16: 12,483,793 km (0.062 R)
• M17: 13,394,096 km (0.062 R)
• M18: 15,296,233 km (0.118 R)
• M19: 15,968,675 km (0.114 R)
• M20: 18,974,545 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.2

Radius: 7.9

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.54 AU - 7 AU

Year: 11947 Days

Day: 17.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,526,966 km

• M1: 99,632 km (0.084 R)
• M2: 372,499 km (0.11 R)
• M3: 702,960 km (0.115 R)
• M4: 1,048,531 km (0.058 R)
• M5: 1,492,688 km (0.069 R)
• M6: 1,751,791 km (0.092 R)
• M7: 2,106,188 km (0.104 R)
• M8: 2,639,954 km (0.109 R)
• M9: 3,975,264 km (0.104 R)
• M10: 5,518,366 km (0.119 R)
• M11: 6,283,709 km (0.114 R)
• M12: 6,783,067 km (0.105 R)
• M13: 7,308,604 km (0.111 R)
• M14: 8,356,387 km (0.1 R)
• M15: 10,401,241 km (0.094 R)
• M16: 10,897,307 km (0.116 R)
• M17: 12,814,554 km (0.097 R)
• M18: 15,642,253 km (0.096 R)
• M19: 17,372,651 km (0.107 R)
• M20: 18,498,973 km (0.098 R)
• M21: 19,006,709 km (0.06 R)
• M22: 25,935,484 km (0.097 R)
• M23: 29,514,014 km (0.112 R)
• M24: 31,729,409 km (0.035 R)
• M25: 33,622,570 km (0.074 R)
• M26: 35,701,233 km (0.116 R)
• M27: 36,375,171 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.2

Radius: 5.1

Gravity: 16.77 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.72 AU - 11.68 AU

Year: 20490 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,526,966 km

• M1: 68,067 km (0.071 R)
• M2: 234,270 km (0.103 R)
• M3: 419,622 km (0.099 R)
• M4: 948,151 km (0.118 R)
• M5: 1,400,984 km (0.067 R)
• M6: 3,375,676 km (0.12 R)
• M7: 5,384,626 km (0.093 R)
• M8: 8,776,608 km (0.055 R)
• M9: 14,491,396 km (0.104 R)
• M10: 18,569,883 km (0.066 R)
• M11: 28,440,500 km (0.087 R)
• M12: 31,241,271 km (0.07 R)
• M13: 38,066,375 km (0.077 R)
• M14: 39,880,249 km (0.09 R)
• M15: 43,378,595 km (0.09 R)
• M16: 44,741,582 km (0.088 R)
• M17: 49,983,491 km (0.093 R)
• M18: 59,419,077 km (0.092 R)
• M19: 61,665,738 km (0.105 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: 334 - 14,105 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit