🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.7

Radius: 14.8

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.84 AU - 1.3 AU

Year: 764 Days

Day: 11.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 33,546,308 km

• M1: 184,155 km (0.083 R)
• M2: 648,208 km (0.081 R)
• M3: 1,665,772 km (0.102 R)
• M4: 2,337,916 km (0.114 R)
• M5: 3,409,485 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.2

Radius: 9.5

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.12 AU - 1.36 AU

Year: 953 Days

Day: 10.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,546,308 km

• M1: 118,182 km (0.119 R)
• M2: 419,622 km (0.087 R)
• M3: 723,754 km (0.09 R)
• M4: 1,022,950 km (0.103 R)
• M5: 1,444,816 km (0.105 R)
• M6: 2,519,228 km (0.092 R)
• M7: 2,823,361 km (0.084 R)
• M8: 3,326,159 km (0.067 R)
• M9: 3,872,490 km (0.101 R)
• M10: 4,578,892 km (0.11 R)
• M11: 4,909,353 km (0.036 R)
• M12: 5,218,572 km (0.054 R)
• M13: 5,957,286 km (0.097 R)
• M14: 6,675,805 km (0.09 R)
• M15: 7,010,605 km (0.108 R)
• M16: 7,427,385 km (0.048 R)
• M17: 7,885,005 km (0.081 R)
• M18: 8,593,799 km (0.052 R)
• M19: 8,963,755 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.9

Radius: 10.5

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.06 AU - 1.44 AU

Year: 965 Days

Day: 14.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,546,308 km

• M1: 130,599 km (0.094 R)
• M2: 463,305 km (0.096 R)
• M3: 846,874 km (0.119 R)
• M4: 1,185,713 km (0.097 R)
• M5: 1,531,583 km (0.086 R)
• M6: 2,218,686 km (0.104 R)
• M7: 2,923,292 km (0.113 R)
• M8: 3,537,092 km (0.113 R)
• M9: 4,252,170 km (0.101 R)
• M10: 4,718,317 km (0.118 R)
• M11: 5,060,896 km (0.053 R)
• M12: 7,352,735 km (0.084 R)
• M13: 8,160,265 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.7

Radius: 10.5

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.22 AU - 1.4 AU

Year: 1035 Days

Day: 12 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,546,308 km

• M1: 130,599 km (0.087 R)
• M2: 465,549 km (0.056 R)
• M3: 806,931 km (0.106 R)
• M4: 1,474,885 km (0.106 R)
• M5: 1,957,638 km (0.087 R)
• M6: 2,444,579 km (0.099 R)
• M7: 3,387,345 km (0.061 R)
• M8: 4,144,459 km (0.11 R)
• M9: 4,779,951 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.1

Radius: 14.3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.45 AU - 1.83 AU

Year: 1450 Days

Day: 14.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,546,308 km

• M1: 177,872 km (0.094 R)
• M2: 773,271 km (0.091 R)
• M3: 1,246,898 km (0.11 R)
• M4: 2,103,196 km (0.104 R)
• M5: 2,707,871 km (0.036 R)
• M6: 3,457,057 km (0.092 R)
• M7: 4,323,977 km (0.1 R)
• M8: 5,432,497 km (0.092 R)
• M9: 5,913,005 km (0.108 R)
• M10: 6,605,943 km (0.114 R)
• M11: 7,277,787 km (0.12 R)
• M12: 7,811,402 km (0.075 R)
• M13: 8,730,831 km (0.098 R)
• M14: 9,934,196 km (0.067 R)
• M15: 11,312,292 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.6

Radius: 10.4

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.24 AU - 4.4 AU

Year: 5154 Days

Day: 13.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,546,308 km

• M1: 132,544 km (0.081 R)
• M2: 702,811 km (0.09 R)
• M3: 1,197,830 km (0.079 R)
• M4: 1,622,987 km (0.072 R)
• M5: 2,219,733 km (0.114 R)
• M6: 2,835,478 km (0.106 R)
• M7: 3,481,741 km (0.116 R)
• M8: 4,178,418 km (0.12 R)
• M9: 4,940,320 km (0.097 R)
• M10: 5,354,706 km (0.096 R)
• M11: 5,708,356 km (0.094 R)
• M12: 6,770,201 km (0.063 R)
• M13: 9,995,681 km (0.075 R)
• M14: 10,491,747 km (0.065 R)
• M15: 11,004,120 km (0.072 R)
• M16: 11,713,064 km (0.039 R)
• M17: 13,271,426 km (0.099 R)
• M18: 14,488,404 km (0.106 R)
• M19: 18,278,616 km (0.081 R)
• M20: 21,847,123 km (0.083 R)
• M21: 23,540,422 km (0.083 R)
• M22: 24,050,401 km (0.088 R)
• M23: 24,866,756 km (0.104 R)
• M24: 25,624,769 km (0.028 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.2

Radius: 9.3

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.55 AU - 6.25 AU

Year: 8662 Days

Day: 9.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,546,308 km

• M1: 115,789 km (0.111 R)
• M2: 1,218,624 km (0.098 R)
• M3: 3,334,836 km (0.077 R)
• M4: 4,142,664 km (0.106 R)
• M5: 4,448,741 km (0.106 R)
• M6: 4,740,009 km (0.102 R)
• M7: 5,591,370 km (0.112 R)
• M8: 7,035,139 km (0.082 R)
• M9: 7,885,753 km (0.063 R)
• M10: 8,712,879 km (0.07 R)
• M11: 9,790,283 km (0.046 R)
• M12: 10,488,157 km (0.111 R)
• M13: 12,492,469 km (0.09 R)
• M14: 13,134,543 km (0.071 R)
• M15: 17,819,949 km (0.079 R)
• M16: 18,260,664 km (0.054 R)
• M17: 19,394,466 km (0.103 R)
• M18: 20,096,828 km (0.077 R)
• M19: 20,816,095 km (0.103 R)
• M20: 22,990,500 km (0.072 R)
• M21: 24,581,773 km (0.052 R)
• M22: 26,339,697 km (0.115 R)
• M23: 30,939,981 km (0.111 R)
• M24: 32,222,783 km (0.086 R)
• M25: 38,558,103 km (0.06 R)
• M26: 39,917,798 km (0.086 R)
• M27: 43,654,903 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.9

Radius: 4

Gravity: 54.43 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.55 AU - 8.65 AU

Year: 13059 Days

Day: 17.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 33,546,308 km

• M1: 106,364 km (0.088 R)
• M2: 276,158 km (0.12 R)
• M3: 405,261 km (0.087 R)
• M4: 765,343 km (0.098 R)
• M5: 1,396,047 km (0.087 R)
• M6: 1,825,842 km (0.12 R)
• M7: 2,595,224 km (0.093 R)
• M8: 3,397,816 km (0.031 R)
• M9: 3,532,305 km (0.087 R)
• M10: 3,841,075 km (0.092 R)
• M11: 4,875,843 km (0.104 R)
• M12: 6,526,656 km (0.106 R)
• M13: 6,819,868 km (0.109 R)
• M14: 7,121,607 km (0.039 R)
• M15: 8,467,539 km (0.031 R)
• M16: 9,383,227 km (0.046 R)
• M17: 9,542,100 km (0.092 R)
• M18: 10,994,247 km (0.115 R)
• M19: 12,396,428 km (0.087 R)
• M20: 13,173,289 km (0.079 R)
• M21: 13,913,350 km (0.112 R)
• M22: 14,050,830 km (0.111 R)
• M23: 14,258,771 km (0.112 R)
• M24: 17,073,306 km (0.07 R)
• M25: 18,033,724 km (0.114 R)
• M26: 19,029,448 km (0.039 R)
• M27: 21,402,967 km (0.073 R)
• M28: 22,424,122 km (0.094 R)
• M29: 24,663,154 km (0.101 R)
• M30: 27,584,651 km (0.089 R)
• M31: 30,845,136 km (0.06 R)
• M32: 31,078,958 km (0.116 R)
• M33: 32,870,991 km (0.078 R)
• M34: 36,528,658 km (0.114 R)
• M35: 37,317,937 km (0.095 R)
• M36: 37,583,473 km (0.087 R)
• M37: 38,252,924 km (0.086 R)
• M38: 39,753,540 km (0.084 R)
• M39: 44,639,406 km (0.072 R)
• M40: 45,390,088 km (0.116 R)
• M41: 50,394,586 km (0.09 R)
• M42: 54,210,379 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.4

Radius: 3.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.6 AU - 9.6 AU

Year: 18948 Days

Day: 20 Hours

Environment

Temp: -238 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,546,308 km

• M1: 91,853 km (0.113 R)
• M2: 214,075 km (0.083 R)
• M3: 966,253 km (0.059 R)
• M4: 2,155,705 km (0.093 R)
• M5: 2,285,706 km (0.089 R)
• M6: 2,455,499 km (0.115 R)
• M7: 3,842,122 km (0.117 R)
• M8: 8,743,996 km (0.052 R)
• M9: 8,867,264 km (0.078 R)
• M10: 9,329,372 km (0.079 R)
• M11: 10,165,175 km (0.088 R)
• M12: 17,914,345 km (0.106 R)
• M13: 19,269,253 km (0.085 R)
• M14: 20,042,973 km (0.088 R)
• M15: 21,057,247 km (0.03 R)
• M16: 25,207,092 km (0.095 R)
• M17: 26,473,438 km (0.106 R)
• M18: 27,604,846 km (0.067 R)
• M19: 29,132,390 km (0.099 R)
• M20: 30,810,130 km (0.078 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 15,143 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit