🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.8

Radius: 11.2

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.48 AU - 1.58 AU

Year: 1262 Days

Day: 8.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 138.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,893,819 km

• M1: 202,855 km (0.116 R)
• M2: 660,325 km (0.072 R)
• M3: 1,626,877 km (0.103 R)
• M4: 2,168,421 km (0.058 R)
• M5: 2,680,943 km (0.116 R)
• M6: 3,124,202 km (0.102 R)
• M7: 3,998,601 km (0.062 R)
• M8: 4,882,127 km (0.116 R)
• M9: 6,467,415 km (0.067 R)
• M10: 7,127,890 km (0.078 R)
• M11: 7,535,544 km (0.097 R)
• M12: 8,530,220 km (0.082 R)
• M13: 9,552,572 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.7

Radius: 9.5

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.3 AU - 1.78 AU

Year: 1274 Days

Day: 10.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,893,819 km

• M1: 118,182 km (0.108 R)
• M2: 448,345 km (0.051 R)
• M3: 783,893 km (0.095 R)
• M4: 1,083,537 km (0.117 R)
• M5: 1,428,660 km (0.109 R)
• M6: 2,032,885 km (0.081 R)
• M7: 2,442,784 km (0.054 R)
• M8: 2,772,647 km (0.056 R)
• M9: 3,161,153 km (0.051 R)
• M10: 3,996,956 km (0.11 R)
• M11: 4,625,417 km (0.082 R)
• M12: 4,953,634 km (0.12 R)
• M13: 5,318,204 km (0.073 R)
• M14: 5,810,082 km (0.093 R)
• M15: 6,497,036 km (0.107 R)
• M16: 8,680,416 km (0.08 R)
• M17: 9,764,552 km (0.11 R)
• M18: 10,802,013 km (0.082 R)
• M19: 11,312,741 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.5

Radius: 9.8

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.01 AU - 2.11 AU

Year: 1972 Days

Day: 10.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,893,819 km

• M1: 122,820 km (0.099 R)
• M2: 578,345 km (0.076 R)
• M3: 921,822 km (0.067 R)
• M4: 1,296,116 km (0.104 R)
• M5: 1,691,653 km (0.034 R)
• M6: 2,730,610 km (0.061 R)
• M7: 3,092,487 km (0.12 R)
• M8: 3,842,870 km (0.063 R)
• M9: 4,299,144 km (0.089 R)
• M10: 4,609,858 km (0.034 R)
• M11: 4,914,888 km (0.071 R)
• M12: 5,679,483 km (0.065 R)
• M13: 6,199,485 km (0.114 R)
• M14: 7,695,314 km (0.063 R)
• M15: 8,362,371 km (0.114 R)
• M16: 9,193,986 km (0.051 R)
• M17: 10,985,570 km (0.114 R)
• M18: 11,348,046 km (0.098 R)
• M19: 14,326,988 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.9

Radius: 10.2

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.25 AU - 2.89 AU

Year: 2747 Days

Day: 7.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,893,819 km

• M1: 126,859 km (0.109 R)
• M2: 518,506 km (0.045 R)
• M3: 850,165 km (0.09 R)
• M4: 1,214,884 km (0.083 R)
• M5: 1,762,113 km (0.114 R)
• M6: 2,723,579 km (0.119 R)
• M7: 3,230,416 km (0.06 R)
• M8: 3,602,466 km (0.11 R)
• M9: 5,282,002 km (0.034 R)
• M10: 5,778,517 km (0.081 R)
• M11: 6,095,664 km (0.069 R)
• M12: 8,831,510 km (0.092 R)
• M13: 9,563,343 km (0.064 R)
• M14: 10,906,433 km (0.048 R)
• M15: 12,222,894 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650

Radius: 13.2

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.49 AU - 6.39 AU

Year: 8461 Days

Day: 7 Hours

Environment

Temp: -226 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,893,819 km

• M1: 164,109 km (0.092 R)
• M2: 655,089 km (0.038 R)
• M3: 1,286,093 km (0.097 R)
• M4: 1,963,771 km (0.115 R)
• M5: 2,870,634 km (0.097 R)
• M6: 4,014,459 km (0.067 R)
• M7: 5,316,858 km (0.059 R)
• M8: 6,342,351 km (0.088 R)
• M9: 6,996,094 km (0.102 R)
• M10: 7,456,556 km (0.063 R)
• M11: 7,896,374 km (0.075 R)
• M12: 9,927,315 km (0.084 R)
• M13: 11,797,587 km (0.098 R)
• M14: 13,187,800 km (0.043 R)
• M15: 14,622,444 km (0.1 R)
• M16: 15,506,118 km (0.093 R)
• M17: 15,961,195 km (0.106 R)
• M18: 20,235,954 km (0.084 R)
• M19: 21,815,708 km (0.091 R)
• M20: 24,337,330 km (0.104 R)
• M21: 27,803,213 km (0.106 R)
• M22: 28,572,595 km (0.049 R)
• M23: 30,053,614 km (0.095 R)
• M24: 32,107,293 km (0.053 R)
• M25: 32,954,317 km (0.094 R)
• M26: 35,585,145 km (0.084 R)
• M27: 37,647,950 km (0.035 R)
• M28: 39,668,269 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595

Radius: 15

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.55 AU - 5.63 AU

Year: 8813 Days

Day: 11.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,893,819 km

• M1: 186,549 km (0.09 R)
• M2: 722,857 km (0.06 R)
• M3: 2,341,207 km (0.088 R)
• M4: 2,825,305 km (0.101 R)
• M5: 4,449,340 km (0.118 R)
• M6: 4,931,943 km (0.1 R)
• M7: 5,418,285 km (0.083 R)
• M8: 6,174,054 km (0.078 R)
• M9: 8,565,824 km (0.111 R)
• M10: 9,272,375 km (0.102 R)
• M11: 11,158,505 km (0.05 R)
• M12: 12,384,460 km (0.066 R)
• M13: 13,639,436 km (0.117 R)
• M14: 15,485,474 km (0.069 R)
• M15: 16,401,911 km (0.114 R)
• M16: 17,843,884 km (0.068 R)
• M17: 19,518,782 km (0.102 R)
• M18: 22,101,889 km (0.078 R)
• M19: 26,715,637 km (0.085 R)
• M20: 30,800,257 km (0.092 R)
• M21: 31,416,002 km (0.081 R)
• M22: 37,332,597 km (0.049 R)
• M23: 39,821,308 km (0.074 R)
• M24: 41,790,464 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.3

Radius: 5.3

Gravity: 15.11 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.8 AU - 7.02 AU

Year: 9581 Days

Day: 16.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,893,819 km

• M1: 65,973 km (0.101 R)
• M2: 231,428 km (0.106 R)
• M3: 517,459 km (0.08 R)
• M4: 936,183 km (0.101 R)
• M5: 1,316,910 km (0.111 R)
• M6: 1,869,674 km (0.093 R)
• M7: 3,217,850 km (0.06 R)
• M8: 6,378,105 km (0.112 R)
• M9: 8,671,889 km (0.119 R)
• M10: 10,073,472 km (0.059 R)
• M11: 10,361,298 km (0.098 R)
• M12: 13,722,313 km (0.084 R)
• M13: 22,004,500 km (0.034 R)
• M14: 24,240,989 km (0.077 R)
• M15: 25,018,897 km (0.11 R)
• M16: 25,458,266 km (0.038 R)
• M17: 28,774,253 km (0.097 R)
• M18: 29,159,617 km (0.067 R)
• M19: 34,704,013 km (0.093 R)
• M20: 35,250,345 km (0.076 R)
• M21: 37,378,823 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.5

Radius: 4.8

Gravity: 41.34 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.45 AU - 9.01 AU

Year: 14332 Days

Day: 17.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,893,819 km

• M1: 60,288 km (0.063 R)
• M2: 343,327 km (0.045 R)
• M3: 744,399 km (0.096 R)
• M4: 908,209 km (0.116 R)
• M5: 1,875,957 km (0.068 R)
• M6: 2,083,898 km (0.078 R)
• M7: 2,523,866 km (0.112 R)
• M8: 2,898,758 km (0.108 R)
• M9: 6,847,543 km (0.088 R)
• M10: 9,724,310 km (0.09 R)
• M11: 9,892,010 km (0.071 R)
• M12: 10,464,521 km (0.115 R)
• M13: 10,938,297 km (0.048 R)
• M14: 11,865,056 km (0.044 R)
• M15: 17,212,133 km (0.1 R)
• M16: 22,478,426 km (0.111 R)
• M17: 24,792,406 km (0.031 R)
• M18: 27,371,174 km (0.044 R)
• M19: 41,056,088 km (0.067 R)
• M20: 42,380,030 km (0.101 R)
• M21: 46,206,594 km (0.103 R)
• M22: 51,094,704 km (0.047 R)
• M23: 55,422,271 km (0.104 R)
• M24: 56,857,214 km (0.098 R)
• M25: 62,651,139 km (0.119 R)
• M26: 63,231,878 km (0.086 R)
• M27: 65,590,738 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.3

Radius: 5.6

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.17 AU - 8.65 AU

Year: 16264 Days

Day: 19.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,893,819 km

• M1: 70,760 km (0.031 R)
• M2: 265,237 km (0.106 R)
• M3: 1,399,189 km (0.112 R)
• M4: 2,561,415 km (0.108 R)
• M5: 3,148,437 km (0.115 R)
• M6: 7,214,357 km (0.064 R)
• M7: 10,122,690 km (0.063 R)
• M8: 12,047,266 km (0.047 R)
• M9: 16,076,834 km (0.085 R)
• M10: 16,338,481 km (0.116 R)
• M11: 17,413,791 km (0.043 R)
• M12: 21,947,204 km (0.115 R)
• M13: 24,097,674 km (0.079 R)
• M14: 26,203,713 km (0.082 R)
• M15: 30,477,425 km (0.104 R)
• M16: 31,282,860 km (0.077 R)
• M17: 35,524,258 km (0.111 R)
• M18: 37,437,166 km (0.109 R)
• M19: 39,181,328 km (0.074 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 12,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit