🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.4

Radius: 13.9

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.69 AU - 0.69 AU

Year: 403 Days

Day: 5.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 52,828,593 km

• M1: 172,935 km (0.1 R)
• M2: 949,647 km (0.1 R)
• M3: 1,417,440 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.6

Radius: 12

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.83 AU - 0.99 AU

Year: 610 Days

Day: 7.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,828,593 km

• M1: 149,299 km (0.044 R)
• M2: 655,687 km (0.11 R)
• M3: 1,339,350 km (0.099 R)
• M4: 1,971,102 km (0.052 R)
• M5: 2,599,113 km (0.078 R)
• M6: 3,134,674 km (0.04 R)
• M7: 3,590,050 km (0.036 R)
• M8: 4,034,954 km (0.063 R)
• M9: 5,856,009 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.2

Radius: 13.3

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.67 AU - 1.79 AU

Year: 1599 Days

Day: 6.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,828,593 km

• M1: 166,353 km (0.101 R)
• M2: 613,950 km (0.107 R)
• M3: 1,067,979 km (0.105 R)
• M4: 4,044,378 km (0.108 R)
• M5: 6,183,628 km (0.03 R)
• M6: 7,236,647 km (0.12 R)
• M7: 7,871,391 km (0.043 R)
• M8: 8,878,933 km (0.119 R)
• M9: 9,757,372 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.4

Radius: 9.5

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.22 AU - 2.62 AU

Year: 2646 Days

Day: 5.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,828,593 km

• M1: 118,182 km (0.118 R)
• M2: 432,039 km (0.112 R)
• M3: 927,806 km (0.12 R)
• M4: 1,294,470 km (0.085 R)
• M5: 1,702,424 km (0.056 R)
• M6: 2,398,203 km (0.07 R)
• M7: 2,858,815 km (0.113 R)
• M8: 3,307,459 km (0.114 R)
• M9: 4,283,286 km (0.112 R)
• M10: 5,010,332 km (0.113 R)
• M11: 6,966,773 km (0.094 R)
• M12: 8,003,187 km (0.061 R)
• M13: 9,528,636 km (0.075 R)
• M14: 11,199,196 km (0.047 R)
• M15: 12,968,041 km (0.095 R)
• M16: 14,818,716 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.3

Radius: 14.8

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.34 AU - 2.6 AU

Year: 2729 Days

Day: 8.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,828,593 km

• M1: 184,005 km (0.112 R)
• M2: 765,642 km (0.106 R)
• M3: 1,317,808 km (0.06 R)
• M4: 1,814,024 km (0.103 R)
• M5: 2,494,096 km (0.064 R)
• M6: 3,236,101 km (0.06 R)
• M7: 3,803,526 km (0.118 R)
• M8: 4,746,292 km (0.036 R)
• M9: 5,892,361 km (0.108 R)
• M10: 7,583,565 km (0.063 R)
• M11: 9,112,455 km (0.106 R)
• M12: 9,800,755 km (0.091 R)
• M13: 10,918,251 km (0.119 R)
• M14: 11,737,299 km (0.117 R)
• M15: 12,248,176 km (0.107 R)
• M16: 15,128,982 km (0.09 R)
• M17: 17,102,926 km (0.038 R)
• M18: 18,152,056 km (0.11 R)
• M19: 19,243,672 km (0.062 R)
• M20: 19,775,791 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.6

Radius: 14

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.65 AU - 3.19 AU

Year: 3507 Days

Day: 13 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,828,593 km

• M1: 176,226 km (0.043 R)
• M2: 894,745 km (0.064 R)
• M3: 1,573,022 km (0.107 R)
• M4: 3,883,561 km (0.118 R)
• M5: 4,944,658 km (0.106 R)
• M6: 6,888,384 km (0.1 R)
• M7: 8,907,356 km (0.11 R)
• M8: 10,215,291 km (0.055 R)
• M9: 12,750,227 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.7

Radius: 11.7

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.61 AU - 3.71 AU

Year: 4922 Days

Day: 9.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,828,593 km

• M1: 216,019 km (0.041 R)
• M2: 612,154 km (0.102 R)
• M3: 1,374,954 km (0.076 R)
• M4: 2,375,614 km (0.097 R)
• M5: 3,720,349 km (0.042 R)
• M6: 4,456,969 km (0.097 R)
• M7: 4,927,903 km (0.118 R)
• M8: 8,025,627 km (0.105 R)
• M9: 8,645,560 km (0.063 R)
• M10: 9,507,244 km (0.098 R)
• M11: 10,335,268 km (0.1 R)
• M12: 10,744,119 km (0.098 R)
• M13: 11,210,864 km (0.11 R)
• M14: 12,900,423 km (0.06 R)
• M15: 13,970,197 km (0.115 R)
• M16: 14,358,254 km (0.12 R)
• M17: 15,389,432 km (0.111 R)
• M18: 19,049,194 km (0.12 R)
• M19: 20,792,010 km (0.12 R)
• M20: 21,665,362 km (0.077 R)
• M21: 23,876,718 km (0.12 R)
• M22: 24,915,226 km (0.053 R)
• M23: 27,686,826 km (0.087 R)
• M24: 28,833,045 km (0.12 R)
• M25: 32,172,069 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.9

Radius: 7.7

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.09 AU - 8.48 AU

Year: 12409 Days

Day: 19.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,828,593 km

• M1: 100,530 km (0.035 R)
• M2: 515,365 km (0.097 R)
• M3: 894,745 km (0.055 R)
• M4: 1,176,886 km (0.112 R)
• M5: 1,742,965 km (0.079 R)
• M6: 3,382,258 km (0.061 R)
• M7: 3,694,768 km (0.114 R)
• M8: 4,838,145 km (0.117 R)
• M9: 6,201,430 km (0.051 R)
• M10: 7,047,855 km (0.063 R)
• M11: 9,522,054 km (0.102 R)
• M12: 10,494,889 km (0.119 R)
• M13: 11,109,437 km (0.101 R)
• M14: 11,965,885 km (0.1 R)
• M15: 15,637,316 km (0.064 R)
• M16: 23,689,122 km (0.084 R)
• M17: 25,466,794 km (0.083 R)
• M18: 28,887,648 km (0.082 R)
• M19: 29,889,505 km (0.104 R)
• M20: 31,962,632 km (0.033 R)
• M21: 33,034,351 km (0.1 R)
• M22: 38,154,638 km (0.098 R)
• M23: 41,974,171 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.5

Radius: 4.7

Gravity: 39.9 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.27 AU - 8.33 AU

Year: 15313 Days

Day: 24.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 52,828,593 km

• M1: 59,540 km (0.026 R)
• M2: 273,764 km (0.077 R)
• M3: 468,840 km (0.052 R)
• M4: 755,918 km (0.105 R)
• M5: 1,192,594 km (0.104 R)
• M6: 1,375,702 km (0.098 R)
• M7: 2,201,033 km (0.057 R)
• M8: 3,051,198 km (0.115 R)
• M9: 4,724,301 km (0.091 R)
• M10: 7,953,820 km (0.08 R)
• M11: 10,072,724 km (0.106 R)
• M12: 11,761,983 km (0.094 R)
• M13: 13,078,295 km (0.093 R)
• M14: 15,459,893 km (0.106 R)
• M15: 16,156,420 km (0.115 R)
• M16: 19,864,652 km (0.096 R)
• M17: 20,227,427 km (0.032 R)
• M18: 23,694,508 km (0.067 R)
• M19: 25,567,922 km (0.086 R)
• M20: 26,213,736 km (0.084 R)
• M21: 29,138,075 km (0.059 R)
• M22: 31,041,857 km (0.065 R)
• M23: 31,653,264 km (0.051 R)
• M24: 31,900,100 km (0.105 R)
• M25: 33,535,953 km (0.09 R)
• M26: 35,491,945 km (0.088 R)
• M27: 36,701,294 km (0.113 R)
• M28: 41,813,951 km (0.106 R)
• M29: 43,011,183 km (0.111 R)
• M30: 44,694,458 km (0.047 R)
• M31: 46,580,289 km (0.062 R)
• M32: 49,011,254 km (0.114 R)
• M33: 49,507,321 km (0.097 R)
• M34: 53,248,464 km (0.104 R)
• M35: 53,422,896 km (0.102 R)
• M36: 54,654,385 km (0.117 R)
• M37: 55,724,908 km (0.035 R)
• M38: 57,723,535 km (0.075 R)
• M39: 65,995,549 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.3

Radius: 3

Gravity: 20.26 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.54 AU - 10.58 AU

Year: 22429 Days

Day: 16.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,828,593 km

• M1: 37,250 km (0.059 R)
• M2: 505,491 km (0.044 R)
• M3: 607,068 km (0.033 R)
• M4: 705,055 km (0.098 R)
• M5: 1,147,266 km (0.116 R)
• M6: 1,246,599 km (0.119 R)
• M7: 1,549,984 km (0.077 R)
• M8: 3,193,017 km (0.1 R)
• M9: 3,340,520 km (0.118 R)
• M10: 4,118,579 km (0.068 R)
• M11: 4,442,907 km (0.081 R)
• M12: 6,675,955 km (0.106 R)
• M13: 7,460,147 km (0.085 R)
• M14: 8,442,705 km (0.098 R)
• M15: 8,724,997 km (0.093 R)
• M16: 11,045,708 km (0.093 R)
• M17: 12,019,890 km (0.099 R)
• M18: 12,925,854 km (0.095 R)
• M19: 16,345,363 km (0.116 R)
• M20: 17,836,105 km (0.066 R)
• M21: 23,579,317 km (0.05 R)
• M22: 24,515,800 km (0.092 R)
• M23: 28,301,075 km (0.04 R)
• M24: 28,932,228 km (0.115 R)
• M25: 29,358,283 km (0.115 R)
• M26: 30,004,995 km (0.113 R)
• M27: 30,113,752 km (0.051 R)
• M28: 32,457,801 km (0.071 R)
• M29: 39,950,560 km (0.101 R)
• M30: 41,819,187 km (0.116 R)
• M31: 47,329,924 km (0.116 R)
• M32: 47,624,931 km (0.117 R)
• M33: 51,883,982 km (0.097 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: 472 - 15,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit