🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.8

Radius: 8.8

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.95 AU - 1.01 AU

Year: 647 Days

Day: 6.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,517,779 km

• M1: 109,805 km (0.109 R)
• M2: 390,600 km (0.108 R)
• M3: 716,424 km (0.12 R)
• M4: 1,142,629 km (0.08 R)
• M5: 1,767,948 km (0.1 R)
• M6: 2,096,764 km (0.084 R)
• M7: 3,107,746 km (0.102 R)
• M8: 3,649,590 km (0.09 R)
• M9: 4,677,327 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.9

Radius: 11.3

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.03 AU - 1.33 AU

Year: 855 Days

Day: 8.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,517,779 km

• M1: 140,772 km (0.113 R)
• M2: 725,699 km (0.114 R)
• M3: 1,149,660 km (0.095 R)
• M4: 1,534,575 km (0.067 R)
• M5: 1,957,638 km (0.089 R)
• M6: 2,337,317 km (0.106 R)
• M7: 2,694,706 km (0.071 R)
• M8: 3,167,735 km (0.096 R)
• M9: 3,837,036 km (0.099 R)
• M10: 4,226,439 km (0.114 R)
• M11: 4,612,850 km (0.092 R)
• M12: 5,374,902 km (0.091 R)
• M13: 5,812,326 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236

Radius: 9.6

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.86 AU - 3.04 AU

Year: 2557 Days

Day: 5.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,517,779 km

• M1: 124,765 km (0.109 R)
• M2: 503,846 km (0.096 R)
• M3: 804,687 km (0.069 R)
• M4: 1,806,843 km (0.114 R)
• M5: 2,105,889 km (0.098 R)
• M6: 2,670,472 km (0.061 R)
• M7: 3,105,652 km (0.107 R)
• M8: 3,855,736 km (0.036 R)
• M9: 5,296,662 km (0.048 R)
• M10: 5,871,567 km (0.1 R)
• M11: 6,735,345 km (0.08 R)
• M12: 7,041,422 km (0.088 R)
• M13: 8,273,211 km (0.103 R)
• M14: 9,452,192 km (0.093 R)
• M15: 10,032,632 km (0.09 R)
• M16: 11,443,639 km (0.043 R)
• M17: 13,417,732 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.5

Radius: 8.2

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.71 AU - 3.35 AU

Year: 3517 Days

Day: 12.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,517,779 km

• M1: 102,923 km (0.119 R)
• M2: 383,270 km (0.114 R)
• M3: 648,357 km (0.115 R)
• M4: 1,182,870 km (0.105 R)
• M5: 1,481,617 km (0.056 R)
• M6: 1,805,945 km (0.039 R)
• M7: 2,951,117 km (0.109 R)
• M8: 3,607,702 km (0.077 R)
• M9: 4,661,918 km (0.104 R)
• M10: 5,080,792 km (0.095 R)
• M11: 6,311,235 km (0.098 R)
• M12: 6,948,971 km (0.042 R)
• M13: 7,267,315 km (0.107 R)
• M14: 9,464,160 km (0.078 R)
• M15: 11,576,033 km (0.051 R)
• M16: 11,933,572 km (0.043 R)
• M17: 15,331,089 km (0.079 R)
• M18: 15,708,225 km (0.117 R)
• M19: 19,827,253 km (0.074 R)
• M20: 20,599,028 km (0.097 R)
• M21: 21,591,760 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.4

Radius: 14.8

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.39 AU - 3.39 AU

Year: 4162 Days

Day: 14.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,517,779 km

• M1: 184,005 km (0.106 R)
• M2: 740,809 km (0.083 R)
• M3: 1,213,239 km (0.052 R)
• M4: 2,324,153 km (0.086 R)
• M5: 2,816,330 km (0.109 R)
• M6: 3,304,318 km (0.109 R)
• M7: 3,994,712 km (0.046 R)
• M8: 4,803,887 km (0.062 R)
• M9: 9,067,725 km (0.032 R)
• M10: 9,673,298 km (0.108 R)
• M11: 12,786,130 km (0.074 R)
• M12: 14,646,679 km (0.101 R)
• M13: 15,375,669 km (0.096 R)
• M14: 16,128,894 km (0.12 R)
• M15: 16,737,758 km (0.112 R)
• M16: 18,838,710 km (0.039 R)
• M17: 19,514,444 km (0.058 R)
• M18: 21,110,354 km (0.038 R)
• M19: 22,516,873 km (0.07 R)
• M20: 22,999,326 km (0.116 R)
• M21: 23,913,818 km (0.093 R)

Asteroid Belt

Center: 4.13 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.6

Radius: 9.3

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.51 AU - 5.21 AU

Year: 7145 Days

Day: 12.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,517,779 km

• M1: 115,789 km (0.086 R)
• M2: 572,361 km (0.111 R)
• M3: 938,577 km (0.103 R)
• M4: 1,283,101 km (0.102 R)
• M5: 2,426,926 km (0.093 R)
• M6: 4,915,038 km (0.036 R)
• M7: 5,457,779 km (0.12 R)
• M8: 5,841,647 km (0.09 R)
• M9: 10,057,166 km (0.025 R)
• M10: 11,647,690 km (0.07 R)
• M11: 12,667,948 km (0.067 R)
• M12: 13,058,398 km (0.071 R)
• M13: 15,008,556 km (0.035 R)
• M14: 17,417,530 km (0.043 R)
• M15: 18,110,468 km (0.11 R)
• M16: 18,606,385 km (0.085 R)
• M17: 19,699,496 km (0.114 R)
• M18: 20,299,683 km (0.062 R)
• M19: 20,757,752 km (0.042 R)
• M20: 23,235,541 km (0.095 R)
• M21: 23,652,919 km (0.081 R)
• M22: 26,262,654 km (0.109 R)
• M23: 28,105,550 km (0.049 R)
• M24: 28,962,297 km (0.1 R)
• M25: 31,535,231 km (0.081 R)
• M26: 33,721,754 km (0.088 R)
• M27: 36,678,855 km (0.099 R)
• M28: 38,162,566 km (0.117 R)
• M29: 38,743,605 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.7

Radius: 9.1

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.23 AU - 6.41 AU

Year: 8183 Days

Day: 12 Hours

Environment

Temp: -230 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,517,779 km

• M1: 113,246 km (0.106 R)
• M2: 418,425 km (0.057 R)
• M3: 704,008 km (0.053 R)
• M4: 1,289,683 km (0.107 R)
• M5: 2,188,766 km (0.096 R)
• M6: 2,555,281 km (0.099 R)
• M7: 3,301,625 km (0.068 R)
• M8: 3,957,911 km (0.099 R)
• M9: 4,505,140 km (0.092 R)
• M10: 5,559,805 km (0.072 R)
• M11: 6,078,161 km (0.12 R)
• M12: 6,663,987 km (0.089 R)
• M13: 7,025,864 km (0.08 R)
• M14: 7,515,797 km (0.12 R)
• M15: 8,564,179 km (0.077 R)
• M16: 9,938,086 km (0.088 R)
• M17: 11,098,516 km (0.113 R)
• M18: 11,815,988 km (0.103 R)
• M19: 12,673,184 km (0.098 R)
• M20: 14,272,385 km (0.092 R)
• M21: 19,067,146 km (0.115 R)
• M22: 19,797,932 km (0.058 R)
• M23: 20,170,281 km (0.114 R)
• M24: 20,699,259 km (0.053 R)
• M25: 21,549,424 km (0.059 R)
• M26: 21,943,464 km (0.061 R)
• M27: 31,674,956 km (0.107 R)
• M28: 36,907,440 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.7

Radius: 7.8

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.19 AU - 9.19 AU

Year: 18578 Days

Day: 16.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,517,779 km

• M1: 97,089 km (0.12 R)
• M2: 363,523 km (0.118 R)
• M3: 692,339 km (0.037 R)
• M4: 1,075,160 km (0.053 R)
• M5: 1,801,757 km (0.032 R)
• M6: 3,206,481 km (0.11 R)
• M7: 3,627,300 km (0.098 R)
• M8: 6,180,636 km (0.111 R)
• M9: 7,015,093 km (0.12 R)
• M10: 7,483,484 km (0.09 R)
• M11: 10,561,161 km (0.09 R)
• M12: 13,026,983 km (0.075 R)
• M13: 13,951,946 km (0.088 R)
• M14: 15,537,384 km (0.078 R)
• M15: 16,333,245 km (0.034 R)
• M16: 19,789,405 km (0.114 R)
• M17: 23,497,338 km (0.061 R)
• M18: 26,508,593 km (0.09 R)
• M19: 27,990,360 km (0.119 R)
• M20: 28,457,105 km (0.107 R)
• M21: 30,622,385 km (0.117 R)
• M22: 31,745,117 km (0.045 R)
• M23: 34,471,239 km (0.035 R)
• M24: 35,822,557 km (0.099 R)
• M25: 37,490,423 km (0.053 R)
• M26: 38,919,382 km (0.064 R)
• M27: 44,998,890 km (0.117 R)
• M28: 48,430,515 km (0.118 R)
• M29: 49,272,452 km (0.099 R)
• M30: 50,295,702 km (0.054 R)
• M31: 53,093,631 km (0.118 R)
• M32: 55,993,735 km (0.081 R)
• M33: 63,702,214 km (0.112 R)
• M34: 67,599,538 km (0.052 R)
• M35: 70,786,421 km (0.044 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: 377 - 14,954 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit