🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.1

Radius: 13.7

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.76 AU - 0.9 AU

Year: 496 Days

Day: 14.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,149,294 km

• M1: 170,392 km (0.087 R)
• M2: 602,580 km (0.067 R)
• M3: 1,220,868 km (0.116 R)
• M4: 3,364,606 km (0.105 R)
• M5: 4,158,821 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223

Radius: 12.8

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.94 AU - 1.18 AU

Year: 716 Days

Day: 6.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,149,294 km

• M1: 194,776 km (0.08 R)
• M2: 686,654 km (0.058 R)
• M3: 1,231,789 km (0.066 R)
• M4: 2,741,531 km (0.08 R)
• M5: 3,239,691 km (0.114 R)
• M6: 4,068,015 km (0.064 R)
• M7: 5,456,433 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.9

Radius: 10.8

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.05 AU - 1.09 AU

Year: 726 Days

Day: 5.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,149,294 km

• M1: 142,118 km (0.095 R)
• M2: 601,084 km (0.072 R)
• M3: 1,088,923 km (0.082 R)
• M4: 1,574,966 km (0.032 R)
• M5: 2,074,922 km (0.106 R)
• M6: 2,667,330 km (0.1 R)
• M7: 3,648,692 km (0.097 R)
• M8: 5,104,279 km (0.114 R)
• M9: 7,369,191 km (0.087 R)
• M10: 7,940,655 km (0.111 R)
• M11: 8,696,423 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.9

Radius: 8.5

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.47 AU - 1.59 AU

Year: 1241 Days

Day: 9.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,149,294 km

• M1: 106,364 km (0.062 R)
• M2: 371,003 km (0.109 R)
• M3: 650,452 km (0.054 R)
• M4: 945,309 km (0.056 R)
• M5: 1,459,776 km (0.088 R)
• M6: 2,227,662 km (0.067 R)
• M7: 3,112,832 km (0.118 R)
• M8: 3,635,378 km (0.063 R)
• M9: 4,009,821 km (0.088 R)
• M10: 4,320,686 km (0.092 R)
• M11: 4,932,541 km (0.093 R)
• M12: 5,433,544 km (0.058 R)
• M13: 6,012,189 km (0.098 R)
• M14: 6,631,524 km (0.09 R)
• M15: 7,191,918 km (0.059 R)
• M16: 7,757,248 km (0.114 R)
• M17: 8,435,226 km (0.117 R)
• M18: 8,745,791 km (0.098 R)
• M19: 9,093,307 km (0.106 R)
• M20: 9,419,879 km (0.088 R)
• M21: 10,937,699 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.9

Radius: 14.7

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.4 AU - 2.54 AU

Year: 2547 Days

Day: 12.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,149,294 km

• M1: 182,809 km (0.099 R)
• M2: 661,671 km (0.104 R)
• M3: 1,155,494 km (0.092 R)
• M4: 1,996,384 km (0.104 R)
• M5: 2,519,976 km (0.093 R)
• M6: 3,163,696 km (0.117 R)
• M7: 3,647,346 km (0.072 R)
• M8: 5,426,513 km (0.078 R)
• M9: 5,993,938 km (0.091 R)
• M10: 6,670,719 km (0.06 R)
• M11: 7,174,564 km (0.09 R)
• M12: 8,926,206 km (0.091 R)
• M13: 9,479,867 km (0.097 R)
• M14: 10,688,319 km (0.11 R)
• M15: 11,447,977 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.7

Radius: 10.9

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.14 AU - 4.4 AU

Year: 5788 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,149,294 km

• M1: 137,480 km (0.104 R)
• M2: 524,939 km (0.053 R)
• M3: 1,235,978 km (0.075 R)
• M4: 1,689,708 km (0.103 R)
• M5: 2,497,686 km (0.1 R)
• M6: 3,359,519 km (0.119 R)
• M7: 5,904,030 km (0.065 R)
• M8: 6,961,836 km (0.103 R)
• M9: 7,648,042 km (0.115 R)
• M10: 8,621,026 km (0.083 R)
• M11: 12,568,764 km (0.11 R)
• M12: 16,749,576 km (0.026 R)
• M13: 20,001,834 km (0.105 R)
• M14: 20,561,180 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.9

Radius: 10.4

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.86 AU - 5.84 AU

Year: 7007 Days

Day: 12 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,149,294 km

• M1: 130,749 km (0.082 R)
• M2: 672,742 km (0.027 R)
• M3: 1,047,933 km (0.099 R)
• M4: 2,675,259 km (0.109 R)
• M5: 3,765,827 km (0.106 R)
• M6: 4,450,537 km (0.094 R)
• M7: 5,274,223 km (0.088 R)
• M8: 9,479,419 km (0.111 R)
• M9: 10,557,271 km (0.064 R)
• M10: 12,480,352 km (0.083 R)
• M11: 13,773,775 km (0.067 R)
• M12: 18,868,929 km (0.12 R)
• M13: 21,531,921 km (0.108 R)
• M14: 22,757,576 km (0.119 R)
• M15: 23,387,533 km (0.094 R)
• M16: 25,431,488 km (0.101 R)
• M17: 29,498,456 km (0.048 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.2

Radius: 8.7

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.91 AU - 5.87 AU

Year: 8209 Days

Day: 7.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,149,294 km

• M1: 108,159 km (0.113 R)
• M2: 389,852 km (0.095 R)
• M3: 1,037,312 km (0.091 R)
• M4: 1,533,827 km (0.094 R)
• M5: 2,109,330 km (0.043 R)
• M6: 2,455,649 km (0.099 R)
• M7: 4,146,255 km (0.051 R)
• M8: 7,713,715 km (0.105 R)
• M9: 8,690,440 km (0.034 R)
• M10: 10,887,883 km (0.081 R)
• M11: 11,513,052 km (0.118 R)
• M12: 12,640,122 km (0.078 R)
• M13: 14,150,612 km (0.111 R)
• M14: 17,829,224 km (0.117 R)
• M15: 23,101,651 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.7

Radius: 3.9

Gravity: 45.94 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.95 AU - 8.07 AU

Year: 10896 Days

Day: 22.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,149,294 km

• M1: 53,855 km (0.109 R)
• M2: 176,825 km (0.104 R)
• M3: 308,172 km (0.101 R)
• M4: 475,572 km (0.102 R)
• M5: 836,551 km (0.084 R)
• M6: 1,168,958 km (0.108 R)
• M7: 1,833,322 km (0.085 R)
• M8: 2,218,237 km (0.102 R)
• M9: 3,053,143 km (0.08 R)
• M10: 3,439,405 km (0.039 R)
• M11: 3,803,227 km (0.054 R)
• M12: 5,347,974 km (0.096 R)
• M13: 7,734,060 km (0.105 R)
• M14: 8,266,030 km (0.117 R)
• M15: 8,587,367 km (0.064 R)
• M16: 9,157,484 km (0.094 R)
• M17: 11,806,264 km (0.093 R)
• M18: 12,331,801 km (0.071 R)
• M19: 13,180,021 km (0.072 R)
• M20: 13,873,108 km (0.06 R)
• M21: 15,059,419 km (0.059 R)
• M22: 16,744,041 km (0.109 R)
• M23: 19,661,499 km (0.097 R)
• M24: 24,271,357 km (0.079 R)
• M25: 26,874,958 km (0.096 R)
• M26: 29,765,189 km (0.084 R)
• M27: 30,410,405 km (0.094 R)
• M28: 32,742,187 km (0.102 R)
• M29: 33,429,589 km (0.053 R)
• M30: 39,022,904 km (0.106 R)
• M31: 39,407,969 km (0.035 R)
• M32: 46,060,736 km (0.087 R)
• M33: 47,943,425 km (0.109 R)
• M34: 48,237,534 km (0.055 R)
• M35: 49,576,136 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.1

Radius: 5.5

Gravity: 20 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.04 AU - 7.1 AU

Year: 11047 Days

Day: 17.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 49,149,294 km

• M1: 68,516 km (0.073 R)
• M2: 665,561 km (0.112 R)
• M3: 931,097 km (0.046 R)
• M4: 1,253,032 km (0.048 R)
• M5: 1,559,109 km (0.028 R)
• M6: 2,245,763 km (0.085 R)
• M7: 2,574,729 km (0.112 R)
• M8: 3,162,649 km (0.088 R)
• M9: 3,862,767 km (0.067 R)
• M10: 4,192,480 km (0.098 R)
• M11: 5,878,149 km (0.115 R)
• M12: 7,416,913 km (0.107 R)
• M13: 9,110,062 km (0.106 R)
• M14: 10,303,105 km (0.109 R)
• M15: 10,937,100 km (0.118 R)
• M16: 12,874,393 km (0.119 R)
• M17: 13,177,478 km (0.106 R)
• M18: 16,121,863 km (0.057 R)
• M19: 16,903,213 km (0.104 R)
• M20: 17,266,437 km (0.072 R)
• M21: 18,694,797 km (0.101 R)
• M22: 19,083,303 km (0.099 R)
• M23: 19,556,780 km (0.117 R)
• M24: 22,914,803 km (0.097 R)
• M25: 23,092,077 km (0.105 R)
• M26: 23,270,398 km (0.042 R)
• M27: 24,543,924 km (0.11 R)
• M28: 25,009,772 km (0.05 R)
• M29: 28,030,901 km (0.051 R)
• M30: 29,262,839 km (0.119 R)
• M31: 30,637,794 km (0.08 R)
• M32: 32,388,388 km (0.118 R)
• M33: 32,723,786 km (0.111 R)
• M34: 35,137,548 km (0.097 R)
• M35: 36,087,494 km (0.062 R)
• M36: 38,162,566 km (0.069 R)
• M37: 40,704,234 km (0.116 R)
• M38: 46,688,448 km (0.102 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 17,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit