🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.5

Radius: 10.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.71 AU - 0.73 AU

Year: 429 Days

Day: 6.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,924,869 km

• M1: 128,056 km (0.103 R)
• M2: 812,765 km (0.052 R)
• M3: 1,712,297 km (0.037 R)
• M4: 2,085,993 km (0.104 R)
• M5: 2,841,911 km (0.089 R)
• M6: 3,891,190 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.9

Radius: 10.5

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.38 AU - 1.54 AU

Year: 1240 Days

Day: 6.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,924,869 km

• M1: 130,599 km (0.051 R)
• M2: 709,543 km (0.113 R)
• M3: 1,076,656 km (0.095 R)
• M4: 1,738,477 km (0.097 R)
• M5: 2,139,549 km (0.108 R)
• M6: 2,731,657 km (0.044 R)
• M7: 3,338,426 km (0.054 R)
• M8: 5,180,125 km (0.099 R)
• M9: 6,437,346 km (0.099 R)
• M10: 6,873,873 km (0.1 R)
• M11: 8,968,542 km (0.111 R)
• M12: 9,606,876 km (0.099 R)
• M13: 10,242,667 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.2

Radius: 12.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.43 AU - 3.35 AU

Year: 3453 Days

Day: 7.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,924,869 km

• M1: 159,322 km (0.104 R)
• M2: 616,493 km (0.05 R)
• M3: 1,046,736 km (0.076 R)
• M4: 3,682,052 km (0.049 R)
• M5: 4,396,831 km (0.042 R)
• M6: 4,868,962 km (0.091 R)
• M7: 5,275,868 km (0.026 R)
• M8: 6,131,418 km (0.086 R)
• M9: 6,839,465 km (0.095 R)
• M10: 7,921,506 km (0.095 R)
• M11: 8,658,276 km (0.041 R)
• M12: 9,440,074 km (0.059 R)
• M13: 10,860,656 km (0.1 R)
• M14: 12,463,447 km (0.078 R)
• M15: 13,367,916 km (0.114 R)
• M16: 17,262,547 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.9

Radius: 11.3

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.72 AU - 3.14 AU

Year: 3525 Days

Day: 14.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,924,869 km

• M1: 140,622 km (0.079 R)
• M2: 807,380 km (0.032 R)
• M3: 1,451,997 km (0.117 R)
• M4: 1,884,933 km (0.027 R)
• M5: 2,643,095 km (0.092 R)
• M6: 3,345,308 km (0.067 R)
• M7: 3,784,826 km (0.092 R)
• M8: 4,596,843 km (0.104 R)
• M9: 5,033,819 km (0.117 R)
• M10: 5,659,587 km (0.073 R)
• M11: 6,015,929 km (0.085 R)
• M12: 7,736,903 km (0.071 R)
• M13: 10,920,046 km (0.085 R)
• M14: 11,399,358 km (0.055 R)
• M15: 12,479,454 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.4

Radius: 13.8

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.05 AU - 4.21 AU

Year: 4861 Days

Day: 8.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,924,869 km

• M1: 171,589 km (0.09 R)
• M2: 948,151 km (0.113 R)
• M3: 1,644,081 km (0.114 R)
• M4: 2,475,994 km (0.108 R)
• M5: 3,360,417 km (0.068 R)
• M6: 5,938,437 km (0.096 R)
• M7: 6,681,340 km (0.116 R)
• M8: 7,449,226 km (0.109 R)
• M9: 8,120,472 km (0.114 R)
• M10: 8,791,418 km (0.087 R)
• M11: 9,932,700 km (0.049 R)
• M12: 11,362,407 km (0.073 R)
• M13: 11,802,225 km (0.108 R)
• M14: 12,612,148 km (0.091 R)
• M15: 13,731,140 km (0.109 R)
• M16: 15,502,678 km (0.106 R)
• M17: 20,198,106 km (0.088 R)
• M18: 27,740,382 km (0.12 R)
• M19: 30,935,942 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.6

Radius: 3

Gravity: 84.29 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.26 AU - 7.86 AU

Year: 11810 Days

Day: 20.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 48,924,869 km

• M1: 47,572 km (0.103 R)
• M2: 170,542 km (0.074 R)
• M3: 272,717 km (0.066 R)
• M4: 535,560 km (0.109 R)
• M5: 693,536 km (0.083 R)
• M6: 851,661 km (0.073 R)
• M7: 999,314 km (0.073 R)
• M8: 1,163,871 km (0.068 R)
• M9: 1,346,231 km (0.051 R)
• M10: 1,702,873 km (0.113 R)
• M11: 2,027,201 km (0.054 R)
• M12: 3,501,937 km (0.086 R)
• M13: 3,853,641 km (0.083 R)
• M14: 4,110,501 km (0.036 R)
• M15: 5,533,176 km (0.039 R)
• M16: 5,713,143 km (0.058 R)
• M17: 6,084,744 km (0.073 R)
• M18: 7,126,244 km (0.1 R)
• M19: 7,644,750 km (0.1 R)
• M20: 10,564,003 km (0.106 R)
• M21: 12,980,308 km (0.115 R)
• M22: 16,101,668 km (0.098 R)
• M23: 16,765,882 km (0.106 R)
• M24: 17,757,118 km (0.075 R)
• M25: 19,771,902 km (0.099 R)
• M26: 23,397,406 km (0.111 R)
• M27: 25,218,162 km (0.092 R)
• M28: 27,545,755 km (0.043 R)
• M29: 30,344,881 km (0.07 R)
• M30: 30,456,182 km (0.119 R)
• M31: 31,698,293 km (0.097 R)
• M32: 32,856,629 km (0.047 R)
• M33: 34,525,094 km (0.061 R)
• M34: 36,878,568 km (0.113 R)
• M35: 38,029,724 km (0.097 R)
• M36: 38,548,978 km (0.096 R)
• M37: 41,764,135 km (0.119 R)
• M38: 43,861,796 km (0.063 R)
• M39: 45,298,534 km (0.112 R)
• M40: 46,766,239 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318

Radius: 4.9

Gravity: 13.24 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.12 AU - 9.48 AU

Year: 15313 Days

Day: 17.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,924,869 km

• M1: 66,721 km (0.118 R)
• M2: 240,853 km (0.05 R)
• M3: 437,424 km (0.056 R)
• M4: 708,196 km (0.054 R)
• M5: 1,177,186 km (0.095 R)
• M6: 1,600,248 km (0.044 R)
• M7: 2,436,052 km (0.103 R)
• M8: 2,637,261 km (0.096 R)
• M9: 2,806,157 km (0.035 R)
• M10: 3,381,061 km (0.037 R)
• M11: 3,555,343 km (0.057 R)
• M12: 3,922,007 km (0.085 R)
• M13: 4,170,789 km (0.107 R)
• M14: 5,076,604 km (0.067 R)
• M15: 5,338,849 km (0.081 R)
• M16: 5,784,052 km (0.066 R)
• M17: 6,403,238 km (0.089 R)
• M18: 8,389,149 km (0.103 R)
• M19: 8,663,213 km (0.119 R)
• M20: 9,619,891 km (0.102 R)
• M21: 12,199,856 km (0.1 R)
• M22: 15,341,561 km (0.114 R)
• M23: 16,168,687 km (0.055 R)
• M24: 20,836,739 km (0.117 R)
• M25: 21,593,705 km (0.087 R)
• M26: 22,631,315 km (0.09 R)
• M27: 31,603,448 km (0.118 R)
• M28: 31,934,059 km (0.111 R)
• M29: 32,826,560 km (0.113 R)
• M30: 37,294,151 km (0.102 R)
• M31: 41,488,725 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.8

Radius: 7.7

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 9.38 AU - 10.74 AU

Year: 22429 Days

Day: 16.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,924,869 km

• M1: 95,743 km (0.077 R)
• M2: 339,886 km (0.107 R)
• M3: 822,639 km (0.112 R)
• M4: 1,122,433 km (0.051 R)
• M5: 2,243,669 km (0.037 R)
• M6: 2,549,148 km (0.087 R)
• M7: 4,634,841 km (0.116 R)
• M8: 8,856,044 km (0.072 R)
• M9: 10,433,255 km (0.087 R)
• M10: 11,453,811 km (0.11 R)
• M11: 12,657,476 km (0.076 R)
• M12: 13,381,978 km (0.117 R)
• M13: 22,649,417 km (0.078 R)
• M14: 23,267,705 km (0.096 R)
• M15: 23,988,019 km (0.075 R)
• M16: 25,567,922 km (0.114 R)
• M17: 25,853,803 km (0.104 R)
• M18: 29,036,947 km (0.115 R)
• M19: 31,698,742 km (0.086 R)
• M20: 33,484,940 km (0.07 R)
• M21: 39,371,766 km (0.073 R)
• M22: 48,196,096 km (0.085 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 18,057 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit