🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

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: 571.4

Radius: 10.4

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.87 AU - 0.87 AU

Year: 541 Days

Day: 6.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,685,022 km

• M1: 133,740 km (0.111 R)
• M2: 463,005 km (0.059 R)
• M3: 929,601 km (0.069 R)
• M4: 1,441,824 km (0.1 R)
• M5: 2,510,252 km (0.095 R)
• M6: 2,906,387 km (0.082 R)
• M7: 3,331,993 km (0.113 R)
• M8: 3,668,589 km (0.068 R)
• M9: 4,139,074 km (0.083 R)
• M10: 4,558,995 km (0.115 R)
• M11: 5,673,948 km (0.059 R)
• M12: 6,083,397 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332

Radius: 12.2

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.78 AU - 1 AU

Year: 560 Days

Day: 9.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,685,022 km

• M1: 151,842 km (0.112 R)
• M2: 586,723 km (0.102 R)
• M3: 1,874,162 km (0.033 R)
• M4: 2,541,369 km (0.1 R)
• M5: 3,271,556 km (0.102 R)
• M6: 3,766,426 km (0.077 R)
• M7: 4,150,144 km (0.097 R)
• M8: 4,588,466 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.5

Radius: 8.5

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.83 AU - 1.09 AU

Year: 627 Days

Day: 13.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,685,022 km

• M1: 105,766 km (0.113 R)
• M2: 407,953 km (0.095 R)
• M3: 699,520 km (0.063 R)
• M4: 1,069,475 km (0.118 R)
• M5: 1,396,347 km (0.085 R)
• M6: 1,711,100 km (0.096 R)
• M7: 2,025,406 km (0.12 R)
• M8: 2,801,519 km (0.081 R)
• M9: 3,186,584 km (0.029 R)
• M10: 3,678,312 km (0.107 R)
• M11: 4,516,509 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.3

Radius: 10.4

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.97 AU - 0.97 AU

Year: 637 Days

Day: 11.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,685,022 km

• M1: 129,402 km (0.048 R)
• M2: 530,025 km (0.038 R)
• M3: 894,745 km (0.114 R)
• M4: 1,224,608 km (0.088 R)
• M5: 2,119,203 km (0.033 R)
• M6: 2,515,488 km (0.053 R)
• M7: 3,160,405 km (0.073 R)
• M8: 3,912,284 km (0.036 R)
• M9: 4,708,144 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.5

Radius: 8.5

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.2 AU - 1.46 AU

Year: 1023 Days

Day: 7 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,685,022 km

• M1: 105,766 km (0.077 R)
• M2: 413,788 km (0.087 R)
• M3: 738,714 km (0.06 R)
• M4: 1,028,037 km (0.101 R)
• M5: 2,107,834 km (0.049 R)
• M6: 2,656,409 km (0.085 R)
• M7: 3,072,740 km (0.096 R)
• M8: 3,487,276 km (0.114 R)
• M9: 4,119,776 km (0.117 R)
• M10: 4,624,519 km (0.088 R)
• M11: 5,448,354 km (0.038 R)
• M12: 5,948,909 km (0.12 R)
• M13: 6,389,175 km (0.076 R)
• M14: 6,780,374 km (0.068 R)
• M15: 7,484,531 km (0.082 R)
• M16: 8,479,955 km (0.086 R)
• M17: 9,181,420 km (0.039 R)
• M18: 9,531,479 km (0.068 R)
• M19: 10,352,023 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.1

Radius: 11.8

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.77 AU - 2.69 AU

Year: 2221 Days

Day: 12.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,685,022 km

• M1: 146,756 km (0.101 R)
• M2: 586,723 km (0.107 R)
• M3: 1,243,009 km (0.053 R)
• M4: 1,829,133 km (0.111 R)
• M5: 2,378,157 km (0.032 R)
• M6: 3,323,915 km (0.113 R)
• M7: 4,032,859 km (0.116 R)
• M8: 5,147,064 km (0.095 R)
• M9: 5,997,229 km (0.115 R)
• M10: 6,430,016 km (0.098 R)
• M11: 7,021,226 km (0.116 R)
• M12: 7,473,760 km (0.098 R)
• M13: 8,219,954 km (0.12 R)
• M14: 8,595,295 km (0.097 R)
• M15: 9,550,328 km (0.108 R)
• M16: 13,219,814 km (0.084 R)
• M17: 14,401,039 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.5

Radius: 14.5

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.83 AU - 3.67 AU

Year: 3907 Days

Day: 14.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,685,022 km

• M1: 180,265 km (0.104 R)
• M2: 1,591,273 km (0.095 R)
• M3: 2,271,644 km (0.093 R)
• M4: 2,852,383 km (0.083 R)
• M5: 3,451,073 km (0.116 R)
• M6: 4,043,182 km (0.094 R)
• M7: 5,488,297 km (0.089 R)
• M8: 6,148,622 km (0.07 R)
• M9: 6,607,588 km (0.115 R)
• M10: 7,838,779 km (0.095 R)
• M11: 9,296,909 km (0.094 R)
• M12: 10,153,656 km (0.097 R)
• M13: 11,559,727 km (0.067 R)
• M14: 12,550,663 km (0.116 R)
• M15: 13,803,545 km (0.092 R)
• M16: 14,274,479 km (0.11 R)
• M17: 16,266,674 km (0.083 R)
• M18: 17,571,915 km (0.053 R)
• M19: 22,049,081 km (0.118 R)
• M20: 26,027,636 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.7

Radius: 11.1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4 AU - 4.34 AU

Year: 5679 Days

Day: 11.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,685,022 km

• M1: 138,079 km (0.049 R)
• M2: 538,552 km (0.117 R)
• M3: 1,427,612 km (0.068 R)
• M4: 1,968,259 km (0.079 R)
• M5: 2,470,908 km (0.102 R)
• M6: 3,446,436 km (0.111 R)
• M7: 3,848,854 km (0.04 R)
• M8: 4,303,183 km (0.102 R)
• M9: 5,659,587 km (0.079 R)
• M10: 7,078,522 km (0.099 R)
• M11: 7,824,717 km (0.074 R)
• M12: 8,329,310 km (0.084 R)
• M13: 8,821,936 km (0.073 R)
• M14: 9,264,596 km (0.102 R)
• M15: 12,323,274 km (0.106 R)
• M16: 17,922,722 km (0.091 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901

Radius: 9.3

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.94 AU - 6 AU

Year: 8531 Days

Day: 10.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,685,022 km

• M1: 115,789 km (0.118 R)
• M2: 428,747 km (0.108 R)
• M3: 800,199 km (0.071 R)
• M4: 1,253,181 km (0.116 R)
• M5: 2,483,325 km (0.054 R)
• M6: 2,932,567 km (0.114 R)
• M7: 3,269,461 km (0.079 R)
• M8: 4,467,441 km (0.107 R)
• M9: 4,946,154 km (0.066 R)
• M10: 6,184,825 km (0.091 R)
• M11: 7,454,013 km (0.102 R)
• M12: 8,391,543 km (0.115 R)
• M13: 11,024,017 km (0.117 R)
• M14: 11,899,164 km (0.103 R)
• M15: 12,469,282 km (0.114 R)
• M16: 14,225,860 km (0.077 R)
• M17: 16,210,425 km (0.092 R)
• M18: 19,057,572 km (0.089 R)
• M19: 24,334,338 km (0.044 R)
• M20: 24,974,916 km (0.084 R)
• M21: 26,673,600 km (0.057 R)
• M22: 29,261,194 km (0.068 R)
• M23: 30,299,553 km (0.111 R)
• M24: 33,900,523 km (0.046 R)
• M25: 34,470,042 km (0.106 R)
• M26: 35,745,065 km (0.117 R)
• M27: 36,692,019 km (0.029 R)
• M28: 38,512,476 km (0.081 R)
• M29: 44,333,927 km (0.082 R)

Asteroid Belt

Center: 6.56 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.3

Radius: 6.6

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.41 AU - 8.87 AU

Year: 14082 Days

Day: 22.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,685,022 km

• M1: 83,476 km (0.078 R)
• M2: 629,807 km (0.116 R)
• M3: 899,682 km (0.061 R)
• M4: 1,160,730 km (0.075 R)
• M5: 1,402,929 km (0.112 R)
• M6: 2,841,462 km (0.03 R)
• M7: 6,311,534 km (0.077 R)
• M8: 6,583,503 km (0.056 R)
• M9: 6,985,473 km (0.108 R)
• M10: 7,662,702 km (0.102 R)
• M11: 8,062,278 km (0.092 R)
• M12: 8,382,717 km (0.113 R)
• M13: 10,486,661 km (0.058 R)
• M14: 14,002,510 km (0.11 R)
• M15: 16,421,358 km (0.055 R)
• M16: 17,691,145 km (0.106 R)
• M17: 18,864,740 km (0.101 R)
• M18: 21,452,933 km (0.073 R)
• M19: 25,617,439 km (0.079 R)
• M20: 27,321,508 km (0.115 R)
• M21: 30,620,889 km (0.043 R)
• M22: 30,842,443 km (0.117 R)
• M23: 33,585,320 km (0.055 R)
• M24: 34,057,750 km (0.119 R)
• M25: 35,868,932 km (0.12 R)
• M26: 37,489,675 km (0.11 R)
• M27: 38,253,971 km (0.073 R)
• M28: 38,898,738 km (0.083 R)
• M29: 42,920,377 km (0.099 R)
• M30: 44,603,802 km (0.093 R)
• M31: 45,174,667 km (0.086 R)
• M32: 50,687,349 km (0.087 R)
• M33: 53,524,323 km (0.104 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 15,514 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit