🌌 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: 804.2

Radius: 12.1

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.59 AU - 0.81 AU

Year: 384 Days

Day: 9.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,428,755 km

• M1: 150,495 km (0.072 R)
• M2: 596,297 km (0.12 R)
• M3: 1,429,408 km (0.113 R)
• M4: 1,921,285 km (0.118 R)
• M5: 2,349,584 km (0.04 R)
• M6: 3,097,274 km (0.114 R)
• M7: 3,984,539 km (0.066 R)
• M8: 5,189,101 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.2

Radius: 12.6

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.74 AU - 1.1 AU

Year: 579 Days

Day: 6.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,428,755 km

• M1: 156,779 km (0.106 R)
• M2: 638,035 km (0.105 R)
• M3: 1,249,441 km (0.111 R)
• M4: 1,837,959 km (0.056 R)
• M5: 2,236,039 km (0.115 R)
• M6: 2,780,127 km (0.097 R)
• M7: 3,514,802 km (0.082 R)
• M8: 3,921,858 km (0.065 R)
• M9: 4,576,049 km (0.107 R)
• M10: 6,513,790 km (0.027 R)
• M11: 6,942,538 km (0.099 R)
• M12: 7,433,668 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.3

Radius: 8.7

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.87 AU - 1.33 AU

Year: 757 Days

Day: 8.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,428,755 km

• M1: 108,159 km (0.103 R)
• M2: 456,124 km (0.038 R)
• M3: 855,401 km (0.065 R)
• M4: 1,677,591 km (0.056 R)
• M5: 2,104,393 km (0.116 R)
• M6: 2,514,142 km (0.11 R)
• M7: 2,939,748 km (0.028 R)
• M8: 3,480,694 km (0.087 R)
• M9: 3,936,070 km (0.112 R)
• M10: 4,983,703 km (0.111 R)
• M11: 5,676,641 km (0.072 R)
• M12: 6,536,679 km (0.098 R)
• M13: 7,596,131 km (0.038 R)
• M14: 7,973,716 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.5

Radius: 13.6

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.85 AU - 2.51 AU

Year: 2112 Days

Day: 12.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 160.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,428,755 km

• M1: 169,494 km (0.102 R)
• M2: 837,150 km (0.116 R)
• M3: 1,644,081 km (0.045 R)
• M4: 2,376,512 km (0.095 R)
• M5: 4,350,605 km (0.049 R)
• M6: 9,779,362 km (0.062 R)
• M7: 10,513,589 km (0.117 R)
• M8: 11,323,811 km (0.114 R)
• M9: 11,764,676 km (0.031 R)
• M10: 13,960,473 km (0.104 R)
• M11: 15,421,745 km (0.09 R)
• M12: 16,265,178 km (0.061 R)
• M13: 17,402,272 km (0.074 R)
• M14: 18,098,650 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316

Radius: 11.9

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.16 AU - 3.7 AU

Year: 4167 Days

Day: 7 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,428,755 km

• M1: 147,952 km (0.109 R)
• M2: 1,593,217 km (0.074 R)
• M3: 3,927,393 km (0.063 R)
• M4: 5,627,423 km (0.064 R)
• M5: 8,096,087 km (0.084 R)
• M6: 8,699,415 km (0.037 R)
• M7: 9,958,581 km (0.1 R)
• M8: 12,350,950 km (0.061 R)
• M9: 13,657,388 km (0.112 R)
• M10: 16,490,472 km (0.106 R)
• M11: 17,351,259 km (0.093 R)
• M12: 19,873,479 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.6

Radius: 10.6

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.57 AU - 4.11 AU

Year: 4936 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,428,755 km

• M1: 131,796 km (0.092 R)
• M2: 992,432 km (0.059 R)
• M3: 1,527,693 km (0.09 R)
• M4: 2,876,617 km (0.098 R)
• M5: 3,242,534 km (0.087 R)
• M6: 3,929,936 km (0.113 R)
• M7: 5,167,709 km (0.116 R)
• M8: 5,741,566 km (0.083 R)
• M9: 6,137,103 km (0.111 R)
• M10: 7,119,662 km (0.096 R)
• M11: 8,053,452 km (0.051 R)
• M12: 9,189,199 km (0.111 R)
• M13: 13,499,562 km (0.073 R)
• M14: 14,146,423 km (0.113 R)
• M15: 15,327,648 km (0.092 R)
• M16: 15,794,693 km (0.059 R)
• M17: 16,331,300 km (0.061 R)
• M18: 17,003,593 km (0.118 R)
• M19: 18,208,305 km (0.113 R)
• M20: 21,722,508 km (0.083 R)
• M21: 23,063,803 km (0.086 R)
• M22: 23,599,962 km (0.102 R)
• M23: 25,420,717 km (0.055 R)
• M24: 26,158,085 km (0.064 R)
• M25: 28,543,274 km (0.097 R)
• M26: 28,895,427 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.6

Radius: 10.1

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.31 AU - 4.31 AU

Year: 5870 Days

Day: 11.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,428,755 km

• M1: 125,662 km (0.118 R)
• M2: 463,454 km (0.117 R)
• M3: 796,459 km (0.118 R)
• M4: 1,224,758 km (0.113 R)
• M5: 1,845,589 km (0.11 R)
• M6: 2,456,696 km (0.111 R)
• M7: 2,847,446 km (0.027 R)
• M8: 4,129,649 km (0.119 R)
• M9: 5,148,112 km (0.101 R)
• M10: 6,926,830 km (0.073 R)
• M11: 7,749,319 km (0.119 R)
• M12: 8,918,277 km (0.039 R)
• M13: 11,602,811 km (0.113 R)
• M14: 14,499,624 km (0.084 R)
• M15: 15,425,336 km (0.109 R)
• M16: 16,023,727 km (0.116 R)
• M17: 16,887,356 km (0.047 R)
• M18: 17,458,820 km (0.091 R)
• M19: 18,174,496 km (0.104 R)
• M20: 19,387,884 km (0.095 R)
• M21: 21,161,666 km (0.081 R)
• M22: 21,677,031 km (0.053 R)
• M23: 22,352,016 km (0.095 R)
• M24: 23,744,024 km (0.086 R)
• M25: 24,541,979 km (0.116 R)
• M26: 25,688,797 km (0.099 R)
• M27: 26,785,499 km (0.03 R)
• M28: 27,650,025 km (0.118 R)
• M29: 29,892,796 km (0.073 R)
• M30: 30,355,502 km (0.088 R)
• M31: 30,729,048 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.4

Radius: 15

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.13 AU - 5.29 AU

Year: 7801 Days

Day: 8.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,428,755 km

• M1: 186,549 km (0.109 R)
• M2: 920,924 km (0.106 R)
• M3: 1,525,898 km (0.035 R)
• M4: 2,713,705 km (0.054 R)
• M5: 3,323,765 km (0.075 R)
• M6: 3,897,174 km (0.082 R)
• M7: 4,425,255 km (0.114 R)
• M8: 5,307,732 km (0.09 R)
• M9: 6,923,689 km (0.068 R)
• M10: 8,848,116 km (0.103 R)
• M11: 11,369,289 km (0.105 R)
• M12: 12,400,018 km (0.11 R)
• M13: 13,670,553 km (0.118 R)
• M14: 14,399,244 km (0.12 R)
• M15: 15,540,825 km (0.115 R)
• M16: 17,505,943 km (0.103 R)
• M17: 18,511,689 km (0.055 R)
• M18: 19,708,173 km (0.1 R)
• M19: 20,638,821 km (0.116 R)
• M20: 22,254,927 km (0.117 R)
• M21: 26,382,931 km (0.117 R)
• M22: 27,513,442 km (0.107 R)
• M23: 30,277,113 km (0.103 R)
• M24: 35,664,282 km (0.05 R)
• M25: 37,869,055 km (0.089 R)
• M26: 39,186,115 km (0.089 R)
• M27: 40,533,693 km (0.103 R)
• M28: 41,156,319 km (0.044 R)
• M29: 42,548,626 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.3

Radius: 6.3

Gravity: 16.36 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.32 AU - 8.02 AU

Year: 12595 Days

Day: 15.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,428,755 km

• M1: 78,389 km (0.092 R)
• M2: 387,608 km (0.076 R)
• M3: 608,265 km (0.098 R)
• M4: 1,075,908 km (0.08 R)
• M5: 1,308,084 km (0.07 R)
• M6: 3,087,251 km (0.095 R)
• M7: 3,830,005 km (0.117 R)
• M8: 4,170,041 km (0.094 R)
• M9: 4,686,004 km (0.09 R)
• M10: 4,910,401 km (0.072 R)
• M11: 5,992,292 km (0.1 R)
• M12: 9,503,354 km (0.057 R)
• M13: 10,832,681 km (0.119 R)
• M14: 11,283,120 km (0.057 R)
• M15: 14,998,832 km (0.114 R)
• M16: 15,346,797 km (0.062 R)
• M17: 16,131,587 km (0.051 R)
• M18: 18,967,514 km (0.108 R)
• M19: 21,322,484 km (0.034 R)
• M20: 21,851,462 km (0.102 R)
• M21: 26,200,571 km (0.11 R)
• M22: 32,463,336 km (0.096 R)
• M23: 37,192,574 km (0.075 R)
• M24: 37,702,104 km (0.1 R)
• M25: 42,499,708 km (0.066 R)
• M26: 44,756,691 km (0.073 R)
• M27: 49,508,069 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.7

Radius: 3.1

Gravity: 74.58 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.03 AU - 8.25 AU

Year: 15235 Days

Day: 18.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,428,755 km

• M1: 38,596 km (0.033 R)
• M2: 366,216 km (0.054 R)
• M3: 1,044,642 km (0.101 R)
• M4: 1,363,136 km (0.092 R)
• M5: 1,883,437 km (0.107 R)
• M6: 2,310,689 km (0.086 R)
• M7: 2,547,053 km (0.106 R)
• M8: 2,682,589 km (0.115 R)
• M9: 3,741,742 km (0.108 R)
• M10: 4,128,752 km (0.115 R)
• M11: 4,541,642 km (0.064 R)
• M12: 6,346,989 km (0.046 R)
• M13: 9,679,132 km (0.081 R)
• M14: 14,086,435 km (0.109 R)
• M15: 17,967,751 km (0.063 R)
• M16: 19,059,966 km (0.108 R)
• M17: 23,673,713 km (0.11 R)
• M18: 24,677,964 km (0.082 R)
• M19: 26,663,427 km (0.108 R)
• M20: 28,640,363 km (0.095 R)
• M21: 30,360,589 km (0.101 R)
• M22: 31,305,598 km (0.098 R)
• M23: 31,906,084 km (0.109 R)
• M24: 35,282,059 km (0.069 R)
• M25: 41,568,461 km (0.057 R)
• M26: 42,439,719 km (0.029 R)
• M27: 43,027,190 km (0.109 R)
• M28: 44,068,391 km (0.036 R)
• M29: 47,135,596 km (0.117 R)
• M30: 51,664,373 km (0.061 R)
• M31: 54,723,799 km (0.084 R)
• M32: 64,235,830 km (0.101 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 14,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit