🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.2

Radius: 12.2

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.9 AU - 0.9 AU

Year: 569 Days

Day: 12.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,948,717 km

• M1: 151,991 km (0.094 R)
• M2: 612,005 km (0.044 R)
• M3: 1,057,208 km (0.046 R)
• M4: 1,456,634 km (0.078 R)
• M5: 1,934,450 km (0.07 R)
• M6: 2,834,132 km (0.05 R)
• M7: 3,821,029 km (0.061 R)
• M8: 4,230,029 km (0.088 R)
• M9: 4,914,140 km (0.1 R)
• M10: 5,299,654 km (0.115 R)
• M11: 5,969,553 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.7

Radius: 13

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.96 AU - 1.34 AU

Year: 822 Days

Day: 9.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,948,717 km

• M1: 161,715 km (0.06 R)
• M2: 814,261 km (0.109 R)
• M3: 1,383,930 km (0.098 R)
• M4: 1,871,769 km (0.093 R)
• M5: 2,353,175 km (0.09 R)
• M6: 2,841,911 km (0.11 R)
• M7: 3,703,594 km (0.037 R)
• M8: 4,386,808 km (0.099 R)
• M9: 4,894,094 km (0.06 R)
• M10: 5,420,828 km (0.117 R)
• M11: 6,566,599 km (0.109 R)
• M12: 7,619,020 km (0.099 R)
• M13: 8,673,086 km (0.078 R)
• M14: 9,110,062 km (0.085 R)
• M15: 9,822,147 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.4

Radius: 10.1

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.15 AU - 1.19 AU

Year: 844 Days

Day: 13.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,948,717 km

• M1: 126,410 km (0.117 R)
• M2: 446,998 km (0.094 R)
• M3: 775,366 km (0.115 R)
• M4: 1,877,603 km (0.087 R)
• M5: 2,235,441 km (0.096 R)
• M6: 2,638,906 km (0.108 R)
• M7: 3,261,533 km (0.105 R)
• M8: 3,608,151 km (0.061 R)
• M9: 3,933,526 km (0.072 R)
• M10: 4,343,425 km (0.099 R)
• M11: 4,764,393 km (0.028 R)
• M12: 5,475,432 km (0.104 R)
• M13: 6,213,996 km (0.08 R)
• M14: 6,640,051 km (0.047 R)
• M15: 7,085,554 km (0.07 R)
• M16: 8,620,876 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.6

Radius: 9

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.75 AU - 2.35 AU

Year: 1957 Days

Day: 14.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,948,717 km

• M1: 111,899 km (0.047 R)
• M2: 410,497 km (0.086 R)
• M3: 890,556 km (0.117 R)
• M4: 1,425,967 km (0.05 R)
• M5: 1,961,228 km (0.08 R)
• M6: 5,004,198 km (0.102 R)
• M7: 7,091,537 km (0.058 R)
• M8: 7,373,679 km (0.086 R)
• M9: 8,051,357 km (0.112 R)
• M10: 8,610,105 km (0.113 R)
• M11: 10,084,991 km (0.081 R)
• M12: 12,767,729 km (0.041 R)
• M13: 15,184,184 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.1

Radius: 10.5

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.46 AU - 2.62 AU

Year: 2699 Days

Day: 12.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,948,717 km

• M1: 130,898 km (0.088 R)
• M2: 477,666 km (0.111 R)
• M3: 882,927 km (0.103 R)
• M4: 1,293,573 km (0.078 R)
• M5: 1,798,615 km (0.05 R)
• M6: 2,135,210 km (0.11 R)
• M7: 2,556,029 km (0.101 R)
• M8: 3,063,465 km (0.1 R)
• M9: 3,931,432 km (0.029 R)
• M10: 4,802,391 km (0.101 R)
• M11: 5,554,270 km (0.111 R)
• M12: 6,226,413 km (0.107 R)
• M13: 7,035,737 km (0.09 R)
• M14: 8,732,477 km (0.085 R)
• M15: 10,874,120 km (0.119 R)
• M16: 11,925,643 km (0.092 R)
• M17: 12,414,230 km (0.057 R)
• M18: 12,831,608 km (0.082 R)
• M19: 13,650,207 km (0.089 R)
• M20: 14,320,855 km (0.082 R)
• M21: 15,249,109 km (0.092 R)
• M22: 16,715,916 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.4

Radius: 10.8

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.56 AU - 2.94 AU

Year: 3041 Days

Day: 8.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,948,717 km

• M1: 134,339 km (0.09 R)
• M2: 506,987 km (0.082 R)
• M3: 941,868 km (0.113 R)
• M4: 1,284,148 km (0.113 R)
• M5: 2,032,437 km (0.078 R)
• M6: 2,634,269 km (0.085 R)
• M7: 3,082,614 km (0.115 R)
• M8: 3,618,025 km (0.087 R)
• M9: 3,995,759 km (0.083 R)
• M10: 4,337,441 km (0.056 R)
• M11: 4,742,552 km (0.118 R)
• M12: 5,530,932 km (0.081 R)
• M13: 5,956,688 km (0.099 R)
• M14: 6,818,073 km (0.1 R)
• M15: 8,522,441 km (0.083 R)
• M16: 10,419,043 km (0.1 R)
• M17: 10,876,064 km (0.098 R)
• M18: 11,953,468 km (0.062 R)
• M19: 12,667,499 km (0.058 R)
• M20: 13,056,902 km (0.102 R)
• M21: 14,180,681 km (0.091 R)
• M22: 16,111,092 km (0.089 R)
• M23: 16,930,290 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.1

Radius: 10.3

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.66 AU - 3.32 AU

Year: 3448 Days

Day: 8.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,948,717 km

• M1: 128,056 km (0.082 R)
• M2: 524,640 km (0.107 R)
• M3: 849,118 km (0.067 R)
• M4: 1,417,739 km (0.044 R)
• M5: 1,772,436 km (0.116 R)
• M6: 2,213,151 km (0.093 R)
• M7: 2,561,564 km (0.086 R)
• M8: 2,882,601 km (0.101 R)
• M9: 3,460,199 km (0.039 R)
• M10: 3,932,778 km (0.037 R)
• M11: 5,589,126 km (0.114 R)
• M12: 6,027,597 km (0.085 R)
• M13: 6,488,808 km (0.056 R)
• M14: 7,150,329 km (0.075 R)
• M15: 7,543,772 km (0.107 R)
• M16: 8,015,604 km (0.101 R)
• M17: 8,607,712 km (0.064 R)
• M18: 10,560,413 km (0.077 R)
• M19: 11,312,890 km (0.097 R)
• M20: 12,100,673 km (0.069 R)
• M21: 12,836,096 km (0.086 R)
• M22: 14,975,794 km (0.111 R)
• M23: 15,420,698 km (0.094 R)
• M24: 15,772,851 km (0.106 R)
• M25: 18,110,617 km (0.033 R)
• M26: 18,900,494 km (0.039 R)
• M27: 19,362,153 km (0.052 R)

Asteroid Belt

Center: 4.67 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837.4

Radius: 6.7

Gravity: 18.65 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.45 AU - 7.25 AU

Year: 10671 Days

Day: 15.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,948,717 km

• M1: 83,326 km (0.118 R)
• M2: 345,870 km (0.113 R)
• M3: 742,005 km (0.068 R)
• M4: 1,268,889 km (0.113 R)
• M5: 1,614,460 km (0.049 R)
• M6: 2,074,324 km (0.108 R)
• M7: 2,296,776 km (0.092 R)
• M8: 2,992,406 km (0.054 R)
• M9: 4,042,284 km (0.109 R)
• M10: 4,391,445 km (0.084 R)
• M11: 4,887,961 km (0.084 R)
• M12: 5,846,434 km (0.086 R)
• M13: 6,682,986 km (0.072 R)
• M14: 12,152,583 km (0.092 R)
• M15: 15,376,118 km (0.119 R)
• M16: 16,663,856 km (0.116 R)
• M17: 19,615,422 km (0.107 R)
• M18: 22,001,209 km (0.1 R)
• M19: 24,573,694 km (0.115 R)
• M20: 25,538,900 km (0.109 R)
• M21: 26,229,593 km (0.089 R)
• M22: 28,062,616 km (0.117 R)
• M23: 29,438,318 km (0.092 R)
• M24: 40,483,727 km (0.081 R)
• M25: 41,287,367 km (0.111 R)
• M26: 42,650,054 km (0.087 R)
• M27: 48,401,493 km (0.1 R)
• M28: 49,003,625 km (0.087 R)
• M29: 53,198,948 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.4

Radius: 6.4

Gravity: 18.91 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.07 AU - 7.89 AU

Year: 11000 Days

Day: 19.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,948,717 km

• M1: 79,736 km (0.104 R)
• M2: 504,594 km (0.072 R)
• M3: 814,112 km (0.111 R)
• M4: 1,090,868 km (0.078 R)
• M5: 1,988,904 km (0.079 R)
• M6: 2,620,955 km (0.09 R)
• M7: 2,949,172 km (0.078 R)
• M8: 3,231,164 km (0.052 R)
• M9: 3,505,377 km (0.07 R)
• M10: 5,595,708 km (0.112 R)
• M11: 5,809,633 km (0.059 R)
• M12: 6,562,709 km (0.098 R)
• M13: 7,723,738 km (0.065 R)
• M14: 8,585,871 km (0.034 R)
• M15: 9,064,434 km (0.099 R)
• M16: 9,310,373 km (0.096 R)
• M17: 9,764,253 km (0.062 R)
• M18: 10,499,527 km (0.108 R)
• M19: 11,102,705 km (0.118 R)
• M20: 15,423,690 km (0.086 R)
• M21: 18,538,318 km (0.052 R)
• M22: 19,256,388 km (0.109 R)
• M23: 21,003,691 km (0.046 R)
• M24: 22,673,352 km (0.104 R)
• M25: 24,146,443 km (0.081 R)
• M26: 27,179,988 km (0.056 R)
• M27: 35,428,815 km (0.086 R)
• M28: 37,408,144 km (0.079 R)
• M29: 38,811,073 km (0.114 R)
• M30: 39,329,729 km (0.093 R)
• M31: 39,590,927 km (0.057 R)
• M32: 45,775,602 km (0.111 R)
• M33: 50,854,001 km (0.034 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.2

Radius: 4.3

Gravity: 44.79 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.33 AU - 9.33 AU

Year: 16032 Days

Day: 24.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,948,717 km

• M1: 89,310 km (0.11 R)
• M2: 1,119,590 km (0.078 R)
• M3: 3,739,348 km (0.093 R)
• M4: 4,628,109 km (0.097 R)
• M5: 8,027,422 km (0.072 R)
• M6: 9,108,715 km (0.065 R)
• M7: 10,877,112 km (0.052 R)
• M8: 11,618,967 km (0.119 R)
• M9: 12,262,537 km (0.106 R)
• M10: 16,232,566 km (0.061 R)
• M11: 18,462,172 km (0.055 R)
• M12: 19,248,459 km (0.116 R)
• M13: 21,075,348 km (0.07 R)
• M14: 23,720,687 km (0.081 R)
• M15: 24,233,658 km (0.113 R)
• M16: 26,689,008 km (0.089 R)
• M17: 30,857,104 km (0.111 R)
• M18: 41,777,300 km (0.056 R)
• M19: 42,977,823 km (0.03 R)
• M20: 47,199,624 km (0.037 R)
• M21: 52,898,405 km (0.076 R)
• M22: 54,835,847 km (0.053 R)
• M23: 58,292,755 km (0.089 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 15,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit