🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.3

Radius: 9.6

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.07 AU - 1.29 AU

Year: 869 Days

Day: 11.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,319,254 km

• M1: 119,529 km (0.114 R)
• M2: 428,149 km (0.105 R)
• M3: 899,981 km (0.072 R)
• M4: 1,422,825 km (0.084 R)
• M5: 2,199,388 km (0.11 R)
• M6: 2,544,211 km (0.111 R)
• M7: 3,064,812 km (0.112 R)
• M8: 3,539,635 km (0.097 R)
• M9: 4,141,916 km (0.108 R)
• M10: 4,654,588 km (0.083 R)
• M11: 5,043,543 km (0.062 R)
• M12: 5,397,042 km (0.094 R)
• M13: 6,009,197 km (0.094 R)
• M14: 6,342,800 km (0.109 R)
• M15: 7,466,430 km (0.054 R)
• M16: 8,150,990 km (0.043 R)
• M17: 8,612,798 km (0.094 R)
• M18: 9,146,264 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.9

Radius: 15

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.12 AU - 1.56 AU

Year: 1052 Days

Day: 6.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 69.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,319,254 km

• M1: 187,297 km (0.025 R)
• M2: 660,475 km (0.055 R)
• M3: 1,141,581 km (0.078 R)
• M4: 1,695,542 km (0.096 R)
• M5: 2,645,938 km (0.092 R)
• M6: 3,271,406 km (0.115 R)
• M7: 4,044,678 km (0.115 R)
• M8: 4,823,634 km (0.065 R)
• M9: 5,721,969 km (0.102 R)
• M10: 6,612,076 km (0.104 R)
• M11: 7,852,542 km (0.069 R)
• M12: 8,696,573 km (0.111 R)
• M13: 9,272,674 km (0.066 R)
• M14: 10,310,734 km (0.098 R)
• M15: 11,595,481 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.6

Radius: 9.4

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.77 AU - 3.97 AU

Year: 4196 Days

Day: 10.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,319,254 km

• M1: 181,313 km (0.105 R)
• M2: 656,286 km (0.108 R)
• M3: 1,577,809 km (0.084 R)
• M4: 2,107,834 km (0.065 R)
• M5: 2,463,877 km (0.086 R)
• M6: 2,860,012 km (0.114 R)
• M7: 3,298,334 km (0.096 R)
• M8: 4,555,554 km (0.045 R)
• M9: 4,914,589 km (0.102 R)
• M10: 5,925,572 km (0.055 R)
• M11: 6,640,649 km (0.116 R)
• M12: 8,973,030 km (0.071 R)
• M13: 11,012,797 km (0.057 R)
• M14: 18,119,444 km (0.05 R)
• M15: 20,025,620 km (0.039 R)
• M16: 24,155,269 km (0.113 R)
• M17: 24,776,848 km (0.097 R)
• M18: 26,052,170 km (0.061 R)
• M19: 27,286,951 km (0.12 R)
• M20: 28,646,646 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.6

Radius: 14.4

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.27 AU - 4.33 AU

Year: 5024 Days

Day: 11.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,319,254 km

• M1: 179,069 km (0.053 R)
• M2: 653,294 km (0.076 R)
• M3: 1,123,181 km (0.041 R)
• M4: 2,296,477 km (0.098 R)
• M5: 3,347,552 km (0.056 R)
• M6: 7,636,672 km (0.108 R)
• M7: 8,186,145 km (0.038 R)
• M8: 9,292,272 km (0.113 R)
• M9: 10,574,325 km (0.098 R)
• M10: 11,590,095 km (0.03 R)
• M11: 12,273,757 km (0.087 R)
• M12: 14,245,158 km (0.104 R)
• M13: 16,103,762 km (0.082 R)
• M14: 16,901,717 km (0.114 R)
• M15: 17,781,652 km (0.1 R)
• M16: 19,933,617 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.5

Radius: 14

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.65 AU - 4.43 AU

Year: 5508 Days

Day: 12.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,319,254 km

• M1: 186,997 km (0.115 R)
• M2: 885,320 km (0.105 R)
• M3: 1,563,148 km (0.062 R)
• M4: 2,158,697 km (0.092 R)
• M5: 2,686,479 km (0.066 R)
• M6: 3,281,579 km (0.112 R)
• M7: 4,643,368 km (0.082 R)
• M8: 7,287,361 km (0.049 R)
• M9: 9,006,241 km (0.113 R)
• M10: 10,184,174 km (0.039 R)
• M11: 10,683,233 km (0.101 R)
• M12: 12,892,943 km (0.064 R)
• M13: 13,428,354 km (0.097 R)
• M14: 14,700,235 km (0.091 R)
• M15: 16,671,187 km (0.118 R)
• M16: 20,143,503 km (0.045 R)
• M17: 23,636,015 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.1

Radius: 7.6

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.91 AU - 6.59 AU

Year: 9352 Days

Day: 17 Hours

Environment

Temp: -231 °C

Axial Tilt: 119.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,319,254 km

• M1: 94,546 km (0.12 R)
• M2: 337,343 km (0.119 R)
• M3: 879,336 km (0.085 R)
• M4: 1,165,218 km (0.072 R)
• M5: 1,990,549 km (0.118 R)
• M6: 2,281,816 km (0.09 R)
• M7: 2,620,057 km (0.073 R)
• M8: 2,890,380 km (0.049 R)
• M9: 4,241,848 km (0.092 R)
• M10: 4,671,493 km (0.114 R)
• M11: 5,776,572 km (0.105 R)
• M12: 7,495,601 km (0.049 R)
• M13: 8,083,820 km (0.118 R)
• M14: 9,711,445 km (0.11 R)
• M15: 10,126,878 km (0.085 R)
• M16: 10,505,959 km (0.119 R)
• M17: 12,384,011 km (0.068 R)
• M18: 14,121,291 km (0.043 R)
• M19: 14,714,746 km (0.088 R)
• M20: 16,014,901 km (0.072 R)
• M21: 19,561,268 km (0.066 R)
• M22: 21,594,303 km (0.105 R)
• M23: 22,541,557 km (0.102 R)
• M24: 23,025,356 km (0.045 R)
• M25: 26,698,134 km (0.08 R)
• M26: 29,384,313 km (0.052 R)
• M27: 31,538,672 km (0.116 R)
• M28: 34,217,671 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.4

Radius: 7.2

Gravity: 17.77 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.61 AU - 8.27 AU

Year: 12400 Days

Day: 23.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 44,319,254 km

• M1: 94,695 km (0.102 R)
• M2: 584,778 km (0.116 R)
• M3: 1,124,677 km (0.092 R)
• M4: 1,385,575 km (0.06 R)
• M5: 1,871,320 km (0.102 R)
• M6: 3,383,156 km (0.1 R)
• M7: 4,705,152 km (0.043 R)
• M8: 5,284,246 km (0.109 R)
• M9: 6,221,027 km (0.102 R)
• M10: 6,707,969 km (0.04 R)
• M11: 7,758,146 km (0.092 R)
• M12: 8,178,815 km (0.103 R)
• M13: 9,585,783 km (0.057 R)
• M14: 10,346,488 km (0.099 R)
• M15: 12,235,759 km (0.116 R)
• M16: 12,613,943 km (0.073 R)
• M17: 13,526,939 km (0.108 R)
• M18: 15,703,887 km (0.1 R)
• M19: 16,075,638 km (0.109 R)
• M20: 17,462,709 km (0.118 R)
• M21: 18,104,185 km (0.119 R)
• M22: 19,519,231 km (0.084 R)
• M23: 19,949,026 km (0.091 R)
• M24: 21,096,142 km (0.071 R)
• M25: 23,910,228 km (0.073 R)
• M26: 28,806,716 km (0.078 R)
• M27: 30,499,864 km (0.083 R)
• M28: 35,084,441 km (0.11 R)
• M29: 35,464,868 km (0.065 R)
• M30: 37,672,484 km (0.107 R)
• M31: 38,742,408 km (0.047 R)
• M32: 41,931,086 km (0.105 R)
• M33: 47,420,879 km (0.042 R)
• M34: 48,197,592 km (0.063 R)
• M35: 51,226,799 km (0.114 R)
• M36: 56,611,425 km (0.101 R)
• M37: 60,524,456 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.1

Radius: 7.8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.94 AU - 7.98 AU

Year: 12454 Days

Day: 21.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,319,254 km

• M1: 104,719 km (0.073 R)
• M2: 600,785 km (0.101 R)
• M3: 1,352,365 km (0.096 R)
• M4: 1,890,319 km (0.035 R)
• M5: 2,215,694 km (0.096 R)
• M6: 7,595,084 km (0.113 R)
• M7: 10,826,398 km (0.057 R)
• M8: 12,248,924 km (0.027 R)
• M9: 15,460,342 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.6

Radius: 7.4

Gravity: 14.78 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.15 AU - 9.73 AU

Year: 15175 Days

Day: 20 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,319,254 km

• M1: 508,334 km (0.1 R)
• M2: 1,622,838 km (0.045 R)
• M3: 2,323,255 km (0.09 R)
• M4: 3,132,729 km (0.06 R)
• M5: 3,449,876 km (0.084 R)
• M6: 3,759,245 km (0.083 R)
• M7: 4,938,076 km (0.045 R)
• M8: 6,060,958 km (0.066 R)
• M9: 8,853,352 km (0.082 R)
• M10: 9,167,507 km (0.112 R)
• M11: 12,018,244 km (0.093 R)
• M12: 16,019,688 km (0.081 R)
• M13: 17,042,788 km (0.097 R)
• M14: 28,061,419 km (0.116 R)
• M15: 28,739,845 km (0.111 R)
• M16: 34,825,337 km (0.112 R)
• M17: 35,608,632 km (0.052 R)
• M18: 36,940,501 km (0.094 R)
• M19: 37,755,211 km (0.103 R)
• M20: 42,897,489 km (0.12 R)
• M21: 50,122,467 km (0.105 R)
• M22: 57,210,414 km (0.073 R)
• M23: 59,775,719 km (0.107 R)
• M24: 62,992,671 km (0.098 R)
• M25: 65,529,253 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.3

Radius: 4.4

Gravity: 11.48 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.23 AU - 8.95 AU

Year: 15607 Days

Day: 23.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,319,254 km

• M1: 67,469 km (0.105 R)
• M2: 207,193 km (0.067 R)
• M3: 398,379 km (0.097 R)
• M4: 955,332 km (0.095 R)
• M5: 1,123,181 km (0.12 R)
• M6: 1,438,234 km (0.096 R)
• M7: 1,920,238 km (0.067 R)
• M8: 2,260,723 km (0.084 R)
• M9: 2,561,116 km (0.111 R)
• M10: 2,951,865 km (0.109 R)
• M11: 3,150,382 km (0.108 R)
• M12: 5,488,746 km (0.098 R)
• M13: 6,065,745 km (0.104 R)
• M14: 6,871,030 km (0.113 R)
• M15: 9,520,558 km (0.109 R)
• M16: 12,154,827 km (0.101 R)
• M17: 13,728,746 km (0.087 R)
• M18: 17,274,365 km (0.115 R)
• M19: 17,487,542 km (0.119 R)
• M20: 20,579,581 km (0.057 R)
• M21: 22,548,588 km (0.087 R)
• M22: 24,282,577 km (0.086 R)
• M23: 24,819,633 km (0.11 R)
• M24: 25,364,618 km (0.104 R)
• M25: 27,431,014 km (0.111 R)
• M26: 29,002,539 km (0.045 R)
• M27: 29,606,915 km (0.091 R)
• M28: 30,425,963 km (0.041 R)
• M29: 34,635,497 km (0.104 R)
• M30: 41,716,114 km (0.05 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 16,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit