🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.4

Radius: 12

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.6 AU - 0.78 AU

Year: 364 Days

Day: 11 Hours

Environment

Temp: -146 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,664,195 km

• M1: 149,299 km (0.065 R)
• M2: 552,764 km (0.106 R)
• M3: 959,970 km (0.087 R)
• M4: 1,569,880 km (0.096 R)
• M5: 2,141,793 km (0.107 R)
• M6: 2,829,494 km (0.102 R)
• M7: 3,253,604 km (0.12 R)
• M8: 3,818,934 km (0.112 R)
• M9: 4,631,251 km (0.049 R)
• M10: 5,071,218 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.5

Radius: 10.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.67 AU - 0.93 AU

Year: 455 Days

Day: 6.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,664,195 km

• M1: 128,355 km (0.054 R)
• M2: 556,654 km (0.118 R)
• M3: 945,907 km (0.043 R)
• M4: 1,359,845 km (0.106 R)
• M5: 1,812,827 km (0.047 R)
• M6: 2,185,924 km (0.038 R)
• M7: 2,873,177 km (0.091 R)
• M8: 3,627,000 km (0.1 R)
• M9: 4,344,921 km (0.112 R)
• M10: 5,065,234 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.7

Radius: 11.7

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.91 AU - 0.93 AU

Year: 561 Days

Day: 14.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,664,195 km

• M1: 145,708 km (0.105 R)
• M2: 516,711 km (0.1 R)
• M3: 1,232,986 km (0.112 R)
• M4: 1,632,113 km (0.088 R)
• M5: 2,167,374 km (0.094 R)
• M6: 2,541,219 km (0.113 R)
• M7: 3,222,039 km (0.103 R)
• M8: 3,665,297 km (0.075 R)
• M9: 4,033,757 km (0.119 R)
• M10: 5,125,223 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.2

Radius: 11.9

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.26 AU - 1.78 AU

Year: 1192 Days

Day: 10.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,664,195 km

• M1: 151,393 km (0.09 R)
• M2: 790,475 km (0.114 R)
• M3: 1,206,507 km (0.118 R)
• M4: 1,591,273 km (0.111 R)
• M5: 2,133,714 km (0.059 R)
• M6: 2,632,025 km (0.115 R)
• M7: 4,722,655 km (0.075 R)
• M8: 5,146,915 km (0.117 R)
• M9: 5,660,185 km (0.111 R)
• M10: 6,298,220 km (0.12 R)
• M11: 7,408,087 km (0.069 R)
• M12: 7,876,328 km (0.076 R)
• M13: 9,341,190 km (0.114 R)
• M14: 11,452,764 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.6

Radius: 8.5

Gravity: 13.28 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.32 AU - 6.72 AU

Year: 8246 Days

Day: 11.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,664,195 km

• M1: 109,954 km (0.056 R)
• M2: 403,615 km (0.113 R)
• M3: 1,031,926 km (0.113 R)
• M4: 1,401,882 km (0.071 R)
• M5: 1,938,938 km (0.117 R)
• M6: 2,687,825 km (0.111 R)
• M7: 3,027,861 km (0.091 R)
• M8: 3,769,268 km (0.111 R)
• M9: 5,212,887 km (0.096 R)
• M10: 6,094,318 km (0.095 R)
• M11: 6,421,489 km (0.096 R)
• M12: 7,639,664 km (0.031 R)
• M13: 8,866,217 km (0.106 R)
• M14: 9,819,305 km (0.049 R)
• M15: 10,681,886 km (0.116 R)
• M16: 11,928,186 km (0.105 R)
• M17: 13,757,619 km (0.072 R)
• M18: 16,735,215 km (0.109 R)
• M19: 19,174,109 km (0.067 R)
• M20: 20,437,911 km (0.075 R)
• M21: 21,338,491 km (0.108 R)
• M22: 23,306,451 km (0.04 R)
• M23: 23,839,019 km (0.114 R)
• M24: 27,011,990 km (0.1 R)
• M25: 29,311,309 km (0.098 R)
• M26: 31,629,927 km (0.119 R)
• M27: 36,628,739 km (0.117 R)
• M28: 37,348,754 km (0.076 R)
• M29: 37,712,277 km (0.103 R)
• M30: 38,200,714 km (0.065 R)
• M31: 39,065,539 km (0.115 R)
• M32: 45,626,453 km (0.09 R)
• M33: 46,181,012 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.5

Radius: 10

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.79 AU - 6.01 AU

Year: 9112 Days

Day: 9.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,664,195 km

• M1: 141,071 km (0.075 R)
• M2: 480,508 km (0.094 R)
• M3: 1,037,312 km (0.099 R)
• M4: 1,427,912 km (0.04 R)
• M5: 1,867,879 km (0.054 R)
• M6: 2,214,796 km (0.105 R)
• M7: 2,713,406 km (0.104 R)
• M8: 3,524,825 km (0.029 R)
• M9: 4,833,058 km (0.098 R)
• M10: 6,966,922 km (0.097 R)
• M11: 9,040,349 km (0.06 R)
• M12: 12,052,352 km (0.075 R)
• M13: 12,672,286 km (0.064 R)
• M14: 13,736,675 km (0.087 R)
• M15: 14,759,625 km (0.077 R)
• M16: 19,006,409 km (0.108 R)
• M17: 19,664,341 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.4

Radius: 12.5

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.52 AU - 7.38 AU

Year: 9228 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,664,195 km

• M1: 155,582 km (0.069 R)
• M2: 587,022 km (0.113 R)
• M3: 1,776,774 km (0.062 R)
• M4: 2,404,038 km (0.079 R)
• M5: 4,894,394 km (0.065 R)
• M6: 10,486,960 km (0.076 R)
• M7: 11,256,791 km (0.084 R)
• M8: 13,291,172 km (0.117 R)
• M9: 13,850,070 km (0.112 R)
• M10: 15,437,752 km (0.074 R)
• M11: 25,489,532 km (0.07 R)
• M12: 27,057,916 km (0.07 R)
• M13: 28,321,570 km (0.101 R)
• M14: 31,161,386 km (0.028 R)
• M15: 32,449,125 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.6

Radius: 4.6

Gravity: 35.19 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.15 AU - 7.31 AU

Year: 11101 Days

Day: 16.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,664,195 km

• M1: 57,296 km (0.097 R)
• M2: 311,912 km (0.104 R)
• M3: 473,178 km (0.105 R)
• M4: 833,410 km (0.108 R)
• M5: 1,331,271 km (0.11 R)
• M6: 1,902,735 km (0.095 R)
• M7: 2,187,121 km (0.071 R)
• M8: 2,478,986 km (0.04 R)
• M9: 2,709,068 km (0.071 R)
• M10: 2,976,399 km (0.055 R)
• M11: 3,140,209 km (0.052 R)
• M12: 3,334,836 km (0.099 R)
• M13: 5,572,072 km (0.101 R)
• M14: 5,930,957 km (0.079 R)
• M15: 7,308,754 km (0.101 R)
• M16: 10,143,783 km (0.049 R)
• M17: 11,457,851 km (0.075 R)
• M18: 14,352,420 km (0.066 R)
• M19: 17,021,994 km (0.105 R)
• M20: 18,316,763 km (0.101 R)
• M21: 18,948,066 km (0.114 R)
• M22: 20,759,098 km (0.092 R)
• M23: 22,592,420 km (0.108 R)
• M24: 26,278,512 km (0.119 R)
• M25: 26,577,558 km (0.042 R)
• M26: 26,878,848 km (0.105 R)
• M27: 27,590,934 km (0.104 R)
• M28: 29,479,607 km (0.086 R)
• M29: 32,243,128 km (0.076 R)
• M30: 32,815,789 km (0.092 R)
• M31: 33,162,557 km (0.11 R)
• M32: 38,406,411 km (0.111 R)
• M33: 42,924,117 km (0.06 R)
• M34: 43,338,952 km (0.097 R)
• M35: 43,617,054 km (0.102 R)
• M36: 45,167,636 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578.3

Radius: 7.3

Gravity: 10.85 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 7.72 AU - 10.8 AU

Year: 17916 Days

Day: 17.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,664,195 km

• M1: 91,554 km (0.115 R)
• M2: 772,673 km (0.097 R)
• M3: 3,076,480 km (0.071 R)
• M4: 4,757,960 km (0.115 R)
• M5: 5,141,828 km (0.083 R)
• M6: 9,583,240 km (0.102 R)
• M7: 12,063,722 km (0.118 R)
• M8: 14,650,568 km (0.058 R)
• M9: 15,690,124 km (0.118 R)
• M10: 15,995,902 km (0.091 R)
• M11: 19,540,175 km (0.079 R)
• M12: 20,615,335 km (0.034 R)
• M13: 21,729,689 km (0.056 R)
• M14: 23,079,660 km (0.076 R)
• M15: 36,752,756 km (0.117 R)
• M16: 50,547,475 km (0.095 R)
• M17: 54,117,927 km (0.097 R)
• M18: 57,489,863 km (0.101 R)
• M19: 59,876,099 km (0.069 R)
• M20: 65,238,435 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.8

Radius: 4.5

Gravity: 11.69 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 10.04 AU - 12.6 AU

Year: 24216 Days

Day: 16.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,664,195 km

• M1: 55,950 km (0.104 R)
• M2: 452,234 km (0.112 R)
• M3: 658,380 km (0.115 R)
• M4: 1,025,942 km (0.098 R)
• M5: 1,262,157 km (0.109 R)
• M6: 1,459,028 km (0.095 R)
• M7: 2,079,410 km (0.093 R)
• M8: 2,632,324 km (0.083 R)
• M9: 3,003,177 km (0.086 R)
• M10: 4,774,566 km (0.098 R)
• M11: 5,652,855 km (0.098 R)
• M12: 6,308,393 km (0.102 R)
• M13: 7,677,512 km (0.085 R)
• M14: 14,500,671 km (0.112 R)
• M15: 20,578,384 km (0.06 R)
• M16: 22,583,743 km (0.087 R)
• M17: 24,615,881 km (0.105 R)
• M18: 28,159,106 km (0.091 R)
• M19: 28,817,786 km (0.097 R)
• M20: 29,150,791 km (0.09 R)
• M21: 36,364,998 km (0.095 R)
• M22: 37,804,878 km (0.094 R)
• M23: 39,555,173 km (0.051 R)
• M24: 44,682,640 km (0.108 R)
• M25: 48,649,527 km (0.092 R)
• M26: 53,010,753 km (0.088 R)
• M27: 54,520,495 km (0.111 R)
• M28: 55,714,286 km (0.09 R)
• M29: 56,751,448 km (0.073 R)
• M30: 57,977,552 km (0.106 R)
• M31: 59,939,828 km (0.105 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: 488 - 14,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit