🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.42 AU - 0.62 AU

Year: 246 Days

Day: 36.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.2

Radius: 8.7

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.74 AU - 0.78 AU

Year: 435 Days

Day: 8.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,842,265 km

• M1: 108,159 km (0.115 R)
• M2: 544,387 km (0.103 R)
• M3: 855,251 km (0.109 R)
• M4: 1,158,336 km (0.086 R)
• M5: 1,462,768 km (0.094 R)
• M6: 1,740,721 km (0.069 R)
• M7: 2,070,435 km (0.09 R)
• M8: 3,055,387 km (0.062 R)
• M9: 3,943,699 km (0.069 R)
• M10: 4,701,562 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.9

Radius: 12.4

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.77 AU - 0.97 AU

Year: 532 Days

Day: 5.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,842,265 km

• M1: 154,235 km (0.087 R)
• M2: 555,906 km (0.049 R)
• M3: 943,663 km (0.109 R)
• M4: 1,836,763 km (0.075 R)
• M5: 2,278,376 km (0.107 R)
• M6: 2,704,131 km (0.117 R)
• M7: 3,135,123 km (0.118 R)
• M8: 3,966,438 km (0.092 R)
• M9: 4,526,383 km (0.085 R)
• M10: 5,005,246 km (0.102 R)
• M11: 5,571,025 km (0.102 R)
• M12: 6,430,764 km (0.042 R)
• M13: 7,016,888 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.7

Radius: 12.2

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.9 AU - 1.4 AU

Year: 809 Days

Day: 14.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,842,265 km

• M1: 151,692 km (0.107 R)
• M2: 557,102 km (0.088 R)
• M3: 1,080,695 km (0.103 R)
• M4: 1,831,377 km (0.111 R)
• M5: 2,392,519 km (0.032 R)
• M6: 2,991,359 km (0.118 R)
• M7: 3,394,675 km (0.066 R)
• M8: 4,540,744 km (0.07 R)
• M9: 4,934,336 km (0.089 R)
• M10: 5,520,161 km (0.083 R)
• M11: 6,722,031 km (0.061 R)
• M12: 7,144,046 km (0.085 R)
• M13: 8,390,945 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.3

Radius: 9

Gravity: 11.41 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.97 AU - 1.59 AU

Year: 950 Days

Day: 8.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,842,265 km

• M1: 111,899 km (0.106 R)
• M2: 537,206 km (0.094 R)
• M3: 821,143 km (0.113 R)
• M4: 1,404,126 km (0.107 R)
• M5: 1,718,730 km (0.087 R)
• M6: 2,274,935 km (0.076 R)
• M7: 3,904,504 km (0.056 R)
• M8: 4,772,621 km (0.055 R)
• M9: 5,076,005 km (0.113 R)
• M10: 7,152,424 km (0.116 R)
• M11: 9,178,577 km (0.099 R)
• M12: 9,619,442 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601

Radius: 7.9

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.84 AU - 8.02 AU

Year: 11968 Days

Day: 24.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,842,265 km

• M1: 98,585 km (0.055 R)
• M2: 441,314 km (0.099 R)
• M3: 794,215 km (0.1 R)
• M4: 1,207,404 km (0.084 R)
• M5: 1,758,373 km (0.041 R)
• M6: 2,527,007 km (0.11 R)
• M7: 3,067,504 km (0.115 R)
• M8: 4,961,264 km (0.091 R)
• M9: 5,289,033 km (0.119 R)
• M10: 6,209,359 km (0.047 R)
• M11: 6,551,639 km (0.104 R)
• M12: 8,227,584 km (0.035 R)
• M13: 8,781,694 km (0.106 R)
• M14: 9,558,855 km (0.058 R)
• M15: 9,810,928 km (0.099 R)
• M16: 10,275,878 km (0.098 R)
• M17: 11,083,257 km (0.113 R)
• M18: 13,887,320 km (0.101 R)
• M19: 15,349,190 km (0.115 R)
• M20: 17,579,545 km (0.056 R)
• M21: 19,207,768 km (0.035 R)
• M22: 21,531,622 km (0.094 R)
• M23: 22,140,784 km (0.082 R)
• M24: 25,072,005 km (0.118 R)
• M25: 26,630,366 km (0.116 R)
• M26: 31,915,659 km (0.084 R)
• M27: 35,883,592 km (0.045 R)
• M28: 36,616,323 km (0.101 R)
• M29: 40,562,116 km (0.037 R)
• M30: 41,091,094 km (0.06 R)
• M31: 43,804,949 km (0.084 R)
• M32: 44,782,422 km (0.082 R)
• M33: 45,774,405 km (0.063 R)
• M34: 46,203,901 km (0.076 R)
• M35: 49,136,617 km (0.057 R)
• M36: 50,343,573 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746

Radius: 6.5

Gravity: 17.66 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.79 AU - 10.49 AU

Year: 16660 Days

Day: 15.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,842,265 km

• M1: 80,783 km (0.086 R)
• M2: 1,568,085 km (0.111 R)
• M3: 1,804,300 km (0.093 R)
• M4: 3,099,967 km (0.078 R)
• M5: 4,218,810 km (0.085 R)
• M6: 5,064,486 km (0.056 R)
• M7: 5,857,953 km (0.104 R)
• M8: 10,621,898 km (0.032 R)
• M9: 15,716,453 km (0.031 R)
• M10: 16,739,254 km (0.101 R)
• M11: 18,742,968 km (0.085 R)
• M12: 20,438,510 km (0.088 R)
• M13: 21,276,258 km (0.103 R)
• M14: 24,234,406 km (0.048 R)
• M15: 29,285,130 km (0.045 R)
• M16: 37,143,057 km (0.116 R)
• M17: 38,109,758 km (0.108 R)
• M18: 48,882,301 km (0.116 R)
• M19: 60,374,709 km (0.048 R)
• M20: 65,434,408 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.5

Radius: 4.4

Gravity: 51.27 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.86 AU - 9.92 AU

Year: 18876 Days

Day: 16.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 82,842,265 km

• M1: 54,753 km (0.089 R)
• M2: 381,325 km (0.118 R)
• M3: 821,442 km (0.088 R)
• M4: 1,061,995 km (0.083 R)
• M5: 1,476,531 km (0.081 R)
• M6: 1,852,620 km (0.11 R)
• M7: 2,245,614 km (0.105 R)
• M8: 3,057,032 km (0.095 R)
• M9: 4,316,497 km (0.055 R)
• M10: 6,101,050 km (0.115 R)
• M11: 7,106,946 km (0.117 R)
• M12: 10,217,983 km (0.083 R)
• M13: 10,590,482 km (0.108 R)
• M14: 12,171,732 km (0.082 R)
• M15: 16,291,208 km (0.107 R)
• M16: 18,753,589 km (0.114 R)
• M17: 19,031,392 km (0.092 R)
• M18: 20,073,042 km (0.055 R)
• M19: 20,854,242 km (0.108 R)
• M20: 21,252,322 km (0.091 R)
• M21: 23,000,822 km (0.077 R)
• M22: 24,621,117 km (0.1 R)
• M23: 27,846,746 km (0.05 R)
• M24: 29,063,725 km (0.065 R)
• M25: 30,315,709 km (0.118 R)
• M26: 32,128,237 km (0.063 R)
• M27: 32,926,791 km (0.114 R)
• M28: 42,441,963 km (0.101 R)
• M29: 45,701,102 km (0.046 R)
• M30: 47,734,586 km (0.088 R)
• M31: 47,906,773 km (0.105 R)
• M32: 50,360,178 km (0.039 R)
• M33: 52,712,306 km (0.066 R)
• M34: 54,570,610 km (0.107 R)
• M35: 58,417,370 km (0.042 R)
• M36: 63,267,333 km (0.117 R)
• M37: 63,474,975 km (0.117 R)
• M38: 66,216,805 km (0.094 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 15,453 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit