🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.8

Radius: 11.2

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.62 AU - 0.78 AU

Year: 412 Days

Day: 6.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,405,559 km

• M1: 139,575 km (0.104 R)
• M2: 620,382 km (0.039 R)
• M3: 1,053,618 km (0.098 R)
• M4: 1,432,699 km (0.046 R)
• M5: 1,987,707 km (0.074 R)
• M6: 2,579,067 km (0.119 R)
• M7: 2,947,377 km (0.073 R)
• M8: 3,660,211 km (0.116 R)
• M9: 4,128,004 km (0.083 R)
• M10: 4,663,265 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.2

Radius: 14.5

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.67 AU - 0.87 AU

Year: 475 Days

Day: 6.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 80.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,405,559 km

• M1: 180,415 km (0.119 R)
• M2: 711,637 km (0.097 R)
• M3: 1,277,715 km (0.038 R)
• M4: 1,802,206 km (0.107 R)
• M5: 2,406,132 km (0.093 R)
• M6: 3,088,149 km (0.111 R)
• M7: 4,137,129 km (0.058 R)
• M8: 4,648,305 km (0.03 R)
• M9: 5,868,276 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.7

Radius: 10.1

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.96 AU - 1.16 AU

Year: 767 Days

Day: 6.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,405,559 km

• M1: 125,812 km (0.119 R)
• M2: 449,841 km (0.086 R)
• M3: 816,206 km (0.114 R)
• M4: 1,239,418 km (0.064 R)
• M5: 2,652,221 km (0.082 R)
• M6: 3,410,682 km (0.12 R)
• M7: 4,122,618 km (0.075 R)
• M8: 4,677,626 km (0.067 R)
• M9: 4,999,561 km (0.114 R)
• M10: 5,500,863 km (0.075 R)
• M11: 5,956,987 km (0.072 R)
• M12: 6,541,765 km (0.036 R)
• M13: 7,076,129 km (0.107 R)
• M14: 7,410,630 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962

Radius: 8.6

Gravity: 13.01 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.14 AU - 1.34 AU

Year: 971 Days

Day: 9.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,405,559 km

• M1: 106,962 km (0.067 R)
• M2: 395,238 km (0.118 R)
• M3: 757,863 km (0.106 R)
• M4: 1,865,485 km (0.106 R)
• M5: 2,448,618 km (0.082 R)
• M6: 3,078,425 km (0.119 R)
• M7: 3,530,061 km (0.097 R)
• M8: 3,828,210 km (0.109 R)
• M9: 4,143,263 km (0.064 R)
• M10: 4,529,674 km (0.119 R)
• M11: 4,825,579 km (0.082 R)
• M12: 5,095,154 km (0.093 R)
• M13: 5,728,252 km (0.098 R)
• M14: 6,435,551 km (0.114 R)
• M15: 6,954,955 km (0.116 R)
• M16: 7,943,797 km (0.09 R)
• M17: 8,513,764 km (0.043 R)
• M18: 9,553,769 km (0.107 R)
• M19: 11,135,766 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662

Radius: 8.8

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.54 AU - 1.84 AU

Year: 1544 Days

Day: 12.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,405,559 km

• M1: 111,301 km (0.09 R)
• M2: 489,634 km (0.1 R)
• M3: 1,223,262 km (0.083 R)
• M4: 1,634,207 km (0.047 R)
• M5: 2,589,090 km (0.076 R)
• M6: 3,032,199 km (0.086 R)
• M7: 3,365,653 km (0.112 R)
• M8: 4,345,519 km (0.066 R)
• M9: 4,632,448 km (0.096 R)
• M10: 5,504,304 km (0.103 R)
• M11: 6,096,562 km (0.027 R)
• M12: 9,973,989 km (0.056 R)
• M13: 10,441,483 km (0.117 R)
• M14: 11,312,741 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.1

Radius: 13

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.01 AU - 2.67 AU

Year: 2516 Days

Day: 7.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,405,559 km

• M1: 161,715 km (0.054 R)
• M2: 946,057 km (0.09 R)
• M3: 1,654,253 km (0.097 R)
• M4: 2,452,358 km (0.073 R)
• M5: 3,444,042 km (0.086 R)
• M6: 4,748,984 km (0.041 R)
• M7: 5,468,700 km (0.101 R)
• M8: 6,209,808 km (0.091 R)
• M9: 6,802,215 km (0.065 R)
• M10: 7,951,875 km (0.06 R)
• M11: 8,372,993 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.9

Radius: 9.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.41 AU - 3.21 AU

Year: 3311 Days

Day: 11.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,405,559 km

• M1: 113,844 km (0.063 R)
• M2: 1,036,115 km (0.06 R)
• M3: 1,331,720 km (0.09 R)
• M4: 1,657,096 km (0.089 R)
• M5: 1,943,576 km (0.106 R)
• M6: 2,252,196 km (0.09 R)
• M7: 2,630,978 km (0.082 R)
• M8: 3,672,329 km (0.093 R)
• M9: 5,344,384 km (0.101 R)
• M10: 5,956,239 km (0.057 R)
• M11: 6,313,479 km (0.043 R)
• M12: 7,497,247 km (0.119 R)
• M13: 7,887,697 km (0.102 R)
• M14: 8,512,568 km (0.089 R)
• M15: 9,738,522 km (0.083 R)
• M16: 10,716,144 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.4

Radius: 14.9

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.64 AU - 4 AU

Year: 5248 Days

Day: 5.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,405,559 km

• M1: 185,352 km (0.116 R)
• M2: 861,983 km (0.073 R)
• M3: 1,416,093 km (0.066 R)
• M4: 2,151,816 km (0.065 R)
• M5: 3,077,079 km (0.103 R)
• M6: 3,707,933 km (0.038 R)
• M7: 5,204,360 km (0.084 R)
• M8: 5,983,316 km (0.039 R)
• M9: 6,740,132 km (0.04 R)
• M10: 8,293,257 km (0.043 R)
• M11: 10,467,961 km (0.115 R)
• M12: 11,193,511 km (0.116 R)
• M13: 15,279,478 km (0.085 R)
• M14: 16,273,705 km (0.067 R)
• M15: 17,560,995 km (0.078 R)
• M16: 18,326,637 km (0.085 R)
• M17: 19,047,698 km (0.102 R)
• M18: 21,758,412 km (0.05 R)
• M19: 26,334,012 km (0.081 R)
• M20: 28,978,304 km (0.045 R)
• M21: 30,138,137 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.7

Radius: 8.4

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.08 AU - 5.54 AU

Year: 7415 Days

Day: 8.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 34,405,559 km

• M1: 104,419 km (0.096 R)
• M2: 555,756 km (0.045 R)
• M3: 1,029,533 km (0.084 R)
• M4: 1,431,053 km (0.052 R)
• M5: 1,779,467 km (0.119 R)
• M6: 2,056,672 km (0.113 R)
• M7: 2,455,948 km (0.11 R)
• M8: 2,959,495 km (0.065 R)
• M9: 3,611,592 km (0.105 R)
• M10: 4,172,285 km (0.097 R)
• M11: 5,042,944 km (0.073 R)
• M12: 5,521,508 km (0.115 R)
• M13: 6,355,666 km (0.06 R)
• M14: 7,205,531 km (0.119 R)
• M15: 7,471,516 km (0.107 R)
• M16: 9,129,659 km (0.1 R)
• M17: 10,335,118 km (0.113 R)
• M18: 11,507,816 km (0.116 R)
• M19: 12,243,389 km (0.087 R)
• M20: 13,404,867 km (0.096 R)
• M21: 15,065,553 km (0.093 R)
• M22: 17,746,945 km (0.048 R)
• M23: 19,295,582 km (0.097 R)
• M24: 19,809,600 km (0.061 R)
• M25: 20,398,717 km (0.119 R)
• M26: 20,730,974 km (0.074 R)
• M27: 22,026,940 km (0.099 R)
• M28: 22,872,766 km (0.071 R)
• M29: 23,376,014 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210

Radius: 7.2

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.11 AU - 6.39 AU

Year: 10983 Days

Day: 22.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,405,559 km

• M1: 89,609 km (0.115 R)
• M2: 340,036 km (0.072 R)
• M3: 588,069 km (0.103 R)
• M4: 826,827 km (0.081 R)
• M5: 2,631,875 km (0.061 R)
• M6: 3,012,752 km (0.101 R)
• M7: 3,258,541 km (0.088 R)
• M8: 3,629,693 km (0.111 R)
• M9: 4,251,571 km (0.092 R)
• M10: 5,798,862 km (0.09 R)
• M11: 6,051,683 km (0.11 R)
• M12: 6,994,897 km (0.097 R)
• M13: 9,470,144 km (0.093 R)
• M14: 10,975,098 km (0.108 R)
• M15: 12,738,558 km (0.045 R)
• M16: 13,220,861 km (0.089 R)
• M17: 14,916,852 km (0.107 R)
• M18: 18,734,740 km (0.099 R)
• M19: 20,428,786 km (0.11 R)
• M20: 23,634,818 km (0.108 R)
• M21: 24,526,720 km (0.109 R)
• M22: 25,779,004 km (0.102 R)
• M23: 26,205,657 km (0.085 R)
• M24: 26,724,014 km (0.062 R)
• M25: 33,084,616 km (0.1 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 14,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit