🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.9

Radius: 10.5

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.67 AU - 1.07 AU

Year: 524 Days

Day: 12.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 70,741,104 km

• M1: 130,599 km (0.032 R)
• M2: 593,754 km (0.106 R)
• M3: 2,804,362 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.2

Radius: 9.9

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.99 AU - 1.03 AU

Year: 655 Days

Day: 8.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,741,104 km

• M1: 123,568 km (0.083 R)
• M2: 495,019 km (0.109 R)
• M3: 958,174 km (0.118 R)
• M4: 1,309,729 km (0.073 R)
• M5: 2,042,609 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.3

Radius: 11

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.12 AU - 1.46 AU

Year: 946 Days

Day: 11.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,741,104 km

• M1: 136,732 km (0.116 R)
• M2: 568,023 km (0.12 R)
• M3: 987,346 km (0.111 R)
• M4: 1,740,122 km (0.1 R)
• M5: 2,094,221 km (0.081 R)
• M6: 2,563,360 km (0.07 R)
• M7: 3,076,779 km (0.106 R)
• M8: 3,488,473 km (0.07 R)
• M9: 3,952,226 km (0.115 R)
• M10: 5,202,416 km (0.115 R)
• M11: 5,849,127 km (0.074 R)
• M12: 6,337,265 km (0.102 R)
• M13: 8,440,312 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.2

Radius: 10.1

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.97 AU - 2.05 AU

Year: 1840 Days

Day: 9.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,741,104 km

• M1: 125,662 km (0.103 R)
• M2: 543,339 km (0.049 R)
• M3: 1,283,999 km (0.111 R)
• M4: 1,811,181 km (0.057 R)
• M5: 3,271,556 km (0.07 R)
• M6: 5,980,324 km (0.068 R)
• M7: 6,628,682 km (0.084 R)
• M8: 7,821,425 km (0.096 R)
• M9: 9,211,489 km (0.07 R)
• M10: 10,204,071 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.3

Radius: 10

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.41 AU - 2.75 AU

Year: 2676 Days

Day: 7.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,741,104 km

• M1: 125,662 km (0.099 R)
• M2: 530,025 km (0.107 R)
• M3: 947,104 km (0.106 R)
• M4: 1,470,996 km (0.065 R)
• M5: 1,853,368 km (0.071 R)
• M6: 2,314,279 km (0.079 R)
• M7: 2,654,016 km (0.088 R)
• M8: 3,102,809 km (0.07 R)
• M9: 3,601,868 km (0.081 R)
• M10: 4,172,434 km (0.111 R)
• M11: 5,770,289 km (0.068 R)
• M12: 6,784,862 km (0.1 R)
• M13: 7,827,559 km (0.082 R)
• M14: 8,630,900 km (0.091 R)
• M15: 10,612,323 km (0.092 R)
• M16: 10,969,862 km (0.102 R)
• M17: 11,521,280 km (0.062 R)
• M18: 11,899,015 km (0.065 R)
• M19: 12,324,022 km (0.115 R)
• M20: 14,298,864 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.7

Radius: 12

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.11 AU - 4.67 AU

Year: 5939 Days

Day: 5.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,741,104 km

• M1: 149,299 km (0.043 R)
• M2: 776,413 km (0.114 R)
• M3: 1,285,495 km (0.118 R)
• M4: 1,767,050 km (0.045 R)
• M5: 2,612,727 km (0.078 R)
• M6: 3,397,667 km (0.094 R)
• M7: 3,826,564 km (0.111 R)
• M8: 4,816,902 km (0.112 R)
• M9: 6,655,759 km (0.061 R)
• M10: 7,091,388 km (0.113 R)
• M11: 8,247,929 km (0.084 R)
• M12: 13,964,662 km (0.08 R)
• M13: 14,535,528 km (0.085 R)
• M14: 15,724,232 km (0.089 R)
• M15: 18,520,366 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.6

Radius: 12

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.08 AU - 5.58 AU

Year: 7945 Days

Day: 11.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,741,104 km

• M1: 149,448 km (0.066 R)
• M2: 883,974 km (0.095 R)
• M3: 2,250,102 km (0.096 R)
• M4: 2,839,068 km (0.094 R)
• M5: 3,821,029 km (0.097 R)
• M6: 4,429,144 km (0.105 R)
• M7: 8,173,130 km (0.046 R)
• M8: 10,098,305 km (0.102 R)
• M9: 11,753,306 km (0.053 R)
• M10: 12,935,129 km (0.087 R)
• M11: 14,025,848 km (0.062 R)
• M12: 14,883,343 km (0.101 R)
• M13: 15,836,281 km (0.088 R)
• M14: 16,265,627 km (0.105 R)
• M15: 18,598,606 km (0.045 R)
• M16: 19,353,925 km (0.108 R)
• M17: 21,818,251 km (0.061 R)
• M18: 25,059,588 km (0.107 R)
• M19: 26,924,924 km (0.103 R)
• M20: 31,990,757 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98

Radius: 5.4

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.52 AU - 6.7 AU

Year: 9752 Days

Day: 24.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,741,104 km

• M1: 67,618 km (0.094 R)
• M2: 519,553 km (0.113 R)
• M3: 942,616 km (0.066 R)
• M4: 1,901,688 km (0.089 R)
• M5: 2,820,219 km (0.099 R)
• M6: 3,366,999 km (0.119 R)
• M7: 4,548,673 km (0.104 R)
• M8: 4,839,342 km (0.073 R)
• M9: 5,272,128 km (0.072 R)
• M10: 5,870,071 km (0.085 R)
• M11: 7,039,477 km (0.056 R)
• M12: 7,329,847 km (0.044 R)
• M13: 7,729,572 km (0.027 R)
• M14: 9,243,652 km (0.092 R)
• M15: 11,511,257 km (0.088 R)
• M16: 12,467,038 km (0.093 R)
• M17: 12,797,051 km (0.05 R)
• M18: 15,650,480 km (0.085 R)
• M19: 16,089,849 km (0.105 R)
• M20: 19,588,644 km (0.068 R)
• M21: 22,091,866 km (0.093 R)
• M22: 22,784,354 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.9

Radius: 6.3

Gravity: 15.79 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.32 AU - 9.12 AU

Year: 15217 Days

Day: 21.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,741,104 km

• M1: 99,483 km (0.029 R)
• M2: 302,936 km (0.116 R)
• M3: 1,288,636 km (0.099 R)
• M4: 1,823,000 km (0.105 R)
• M5: 3,295,043 km (0.039 R)
• M6: 3,669,935 km (0.077 R)
• M7: 4,072,952 km (0.025 R)
• M8: 4,316,198 km (0.073 R)
• M9: 4,537,004 km (0.067 R)
• M10: 5,070,171 km (0.09 R)
• M11: 5,607,227 km (0.118 R)
• M12: 6,181,384 km (0.088 R)
• M13: 6,963,930 km (0.108 R)
• M14: 8,044,476 km (0.104 R)
• M15: 8,428,344 km (0.11 R)
• M16: 10,032,183 km (0.103 R)
• M17: 14,242,166 km (0.032 R)
• M18: 17,676,036 km (0.107 R)
• M19: 21,532,818 km (0.079 R)
• M20: 32,514,798 km (0.045 R)
• M21: 42,844,381 km (0.117 R)
• M22: 47,337,404 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.4

Radius: 4.4

Gravity: 20.17 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.98 AU - 13.14 AU

Year: 23749 Days

Day: 15.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,741,104 km

• M1: 83,326 km (0.11 R)
• M2: 236,514 km (0.056 R)
• M3: 487,988 km (0.096 R)
• M4: 777,011 km (0.032 R)
• M5: 926,011 km (0.092 R)
• M6: 1,159,234 km (0.086 R)
• M7: 1,415,345 km (0.085 R)
• M8: 1,673,851 km (0.114 R)
• M9: 1,963,322 km (0.057 R)
• M10: 2,481,230 km (0.069 R)
• M11: 3,380,164 km (0.101 R)
• M12: 4,345,220 km (0.038 R)
• M13: 5,143,474 km (0.089 R)
• M14: 6,625,690 km (0.119 R)
• M15: 6,801,318 km (0.106 R)
• M16: 7,070,594 km (0.117 R)
• M17: 8,680,117 km (0.107 R)
• M18: 8,943,709 km (0.099 R)
• M19: 11,434,513 km (0.117 R)
• M20: 12,073,595 km (0.114 R)
• M21: 12,269,868 km (0.057 R)
• M22: 14,133,857 km (0.081 R)
• M23: 21,409,849 km (0.111 R)
• M24: 21,794,166 km (0.098 R)
• M25: 24,300,080 km (0.101 R)
• M26: 26,991,794 km (0.077 R)
• M27: 29,165,601 km (0.096 R)
• M28: 29,875,592 km (0.111 R)
• M29: 31,084,343 km (0.091 R)
• M30: 34,248,338 km (0.12 R)
• M31: 37,759,699 km (0.101 R)
• M32: 39,746,209 km (0.084 R)
• M33: 42,552,217 km (0.088 R)
• M34: 42,703,460 km (0.064 R)
• M35: 48,885,443 km (0.067 R)
• M36: 49,217,550 km (0.1 R)
• M37: 54,560,587 km (0.117 R)
• M38: 68,433,995 km (0.1 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: 362 - 17,296 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit