🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.4

Radius: 12.6

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.47 AU - 0.61 AU

Year: 265 Days

Day: 6.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 93,414,731 km

• M1: 156,629 km (0.034 R)
• M2: 583,731 km (0.102 R)
• M3: 1,265,448 km (0.073 R)
• M4: 1,740,122 km (0.097 R)
• M5: 2,229,607 km (0.115 R)
• M6: 3,501,787 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.3

Radius: 10.1

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.16 AU - 1.54 AU

Year: 1046 Days

Day: 5.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 93,414,731 km

• M1: 126,111 km (0.064 R)
• M2: 448,494 km (0.089 R)
• M3: 814,860 km (0.104 R)
• M4: 1,419,385 km (0.12 R)
• M5: 1,822,551 km (0.089 R)
• M6: 2,201,781 km (0.104 R)
• M7: 2,559,919 km (0.058 R)
• M8: 2,890,380 km (0.105 R)
• M9: 4,091,502 km (0.116 R)
• M10: 4,823,335 km (0.118 R)
• M11: 5,331,070 km (0.115 R)
• M12: 5,682,176 km (0.103 R)
• M13: 6,430,913 km (0.111 R)
• M14: 7,095,876 km (0.093 R)
• M15: 7,521,482 km (0.073 R)
• M16: 8,070,656 km (0.064 R)
• M17: 9,074,308 km (0.114 R)
• M18: 10,190,457 km (0.105 R)
• M19: 10,539,320 km (0.055 R)
• M20: 11,127,389 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.4

Radius: 8.1

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.4 AU - 1.54 AU

Year: 1189 Days

Day: 13 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 93,414,731 km

• M1: 118,182 km (0.072 R)
• M2: 991,385 km (0.094 R)
• M3: 1,488,349 km (0.064 R)
• M4: 2,474,199 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.1

Radius: 9.1

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.22 AU - 1.74 AU

Year: 1201 Days

Day: 12.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 93,414,731 km

• M1: 113,395 km (0.094 R)
• M2: 467,942 km (0.097 R)
• M3: 979,118 km (0.047 R)
• M4: 2,362,898 km (0.086 R)
• M5: 2,950,818 km (0.117 R)
• M6: 3,328,702 km (0.116 R)
• M7: 3,908,992 km (0.087 R)
• M8: 4,215,369 km (0.11 R)
• M9: 4,502,896 km (0.092 R)
• M10: 4,840,090 km (0.11 R)
• M11: 5,136,892 km (0.047 R)
• M12: 5,525,248 km (0.064 R)
• M13: 5,912,108 km (0.058 R)
• M14: 6,649,775 km (0.118 R)
• M15: 8,281,289 km (0.119 R)
• M16: 8,572,556 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.6

Radius: 8.7

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.93 AU - 2.47 AU

Year: 2176 Days

Day: 10.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 93,414,731 km

• M1: 111,899 km (0.071 R)
• M2: 423,063 km (0.117 R)
• M3: 1,029,832 km (0.098 R)
• M4: 1,574,518 km (0.104 R)
• M5: 2,033,185 km (0.064 R)
• M6: 2,827,998 km (0.113 R)
• M7: 3,318,081 km (0.084 R)
• M8: 3,816,242 km (0.119 R)
• M9: 4,450,537 km (0.112 R)
• M10: 5,634,305 km (0.106 R)
• M11: 7,381,309 km (0.106 R)
• M12: 7,888,595 km (0.091 R)
• M13: 9,086,425 km (0.112 R)
• M14: 9,550,777 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.3

Radius: 13.4

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.16 AU - 2.54 AU

Year: 2402 Days

Day: 7.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 93,414,731 km

• M1: 166,802 km (0.081 R)
• M2: 616,343 km (0.092 R)
• M3: 1,084,734 km (0.117 R)
• M4: 1,504,356 km (0.084 R)
• M5: 2,047,995 km (0.119 R)
• M6: 2,752,451 km (0.108 R)
• M7: 3,938,762 km (0.103 R)
• M8: 5,615,605 km (0.093 R)
• M9: 6,378,105 km (0.092 R)
• M10: 7,917,168 km (0.071 R)
• M11: 9,049,774 km (0.076 R)
• M12: 9,618,844 km (0.109 R)
• M13: 11,511,855 km (0.116 R)
• M14: 12,919,571 km (0.095 R)
• M15: 13,688,205 km (0.06 R)
• M16: 15,217,544 km (0.086 R)
• M17: 16,126,501 km (0.114 R)
• M18: 16,752,269 km (0.112 R)
• M19: 17,448,497 km (0.07 R)
• M20: 18,557,167 km (0.088 R)
• M21: 19,244,569 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648.3

Radius: 6.4

Gravity: 15.83 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.42 AU - 7.08 AU

Year: 9195 Days

Day: 15.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 93,414,731 km

• M1: 81,232 km (0.054 R)
• M2: 330,163 km (0.083 R)
• M3: 765,343 km (0.106 R)
• M4: 1,086,380 km (0.071 R)
• M5: 1,402,929 km (0.029 R)
• M6: 2,134,762 km (0.051 R)
• M7: 2,614,522 km (0.094 R)
• M8: 3,465,435 km (0.06 R)
• M9: 4,930,895 km (0.096 R)
• M10: 6,397,703 km (0.104 R)
• M11: 6,881,502 km (0.075 R)
• M12: 7,550,803 km (0.106 R)
• M13: 12,054,447 km (0.047 R)
• M14: 13,559,252 km (0.075 R)
• M15: 13,801,451 km (0.048 R)
• M16: 15,910,631 km (0.116 R)
• M17: 16,452,624 km (0.086 R)
• M18: 18,152,505 km (0.096 R)
• M19: 19,044,707 km (0.106 R)
• M20: 19,425,134 km (0.088 R)
• M21: 23,337,866 km (0.092 R)
• M22: 26,032,722 km (0.113 R)
• M23: 26,975,338 km (0.096 R)
• M24: 27,454,949 km (0.087 R)
• M25: 28,530,408 km (0.109 R)
• M26: 33,552,708 km (0.093 R)
• M27: 38,163,614 km (0.071 R)
• M28: 38,768,139 km (0.038 R)
• M29: 40,745,374 km (0.062 R)
• M30: 41,631,292 km (0.092 R)
• M31: 43,049,181 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.2

Radius: 3

Gravity: 42.47 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.01 AU - 7.87 AU

Year: 12192 Days

Day: 23.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 93,414,731 km

• M1: 37,549 km (0.03 R)
• M2: 166,203 km (0.105 R)
• M3: 731,982 km (0.029 R)
• M4: 1,180,776 km (0.076 R)
• M5: 1,853,069 km (0.082 R)
• M6: 2,067,443 km (0.052 R)
• M7: 3,253,454 km (0.112 R)
• M8: 3,394,974 km (0.058 R)
• M9: 4,110,351 km (0.036 R)
• M10: 7,688,283 km (0.119 R)
• M11: 7,813,198 km (0.118 R)
• M12: 10,150,664 km (0.099 R)
• M13: 20,660,214 km (0.098 R)
• M14: 29,464,198 km (0.053 R)
• M15: 31,865,992 km (0.11 R)
• M16: 35,882,096 km (0.058 R)
• M17: 39,229,199 km (0.109 R)
• M18: 43,565,892 km (0.04 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.5

Radius: 3.5

Gravity: 11.31 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.97 AU - 9.79 AU

Year: 16177 Days

Day: 23 Hours

Environment

Temp: -242 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 93,414,731 km

• M1: 164,109 km (0.082 R)
• M2: 539,749 km (0.064 R)
• M3: 1,027,588 km (0.035 R)
• M4: 1,153,100 km (0.098 R)
• M5: 1,372,860 km (0.106 R)
• M6: 2,340,608 km (0.072 R)
• M7: 4,407,004 km (0.114 R)
• M8: 4,768,881 km (0.077 R)
• M9: 5,120,286 km (0.079 R)
• M10: 5,711,497 km (0.107 R)
• M11: 6,312,282 km (0.12 R)
• M12: 9,452,641 km (0.047 R)
• M13: 9,819,155 km (0.07 R)
• M14: 11,586,654 km (0.078 R)
• M15: 12,987,638 km (0.116 R)
• M16: 13,555,362 km (0.119 R)
• M17: 13,962,418 km (0.079 R)
• M18: 15,609,042 km (0.054 R)
• M19: 20,930,238 km (0.075 R)
• M20: 21,317,397 km (0.069 R)
• M21: 21,473,727 km (0.114 R)
• M22: 22,186,262 km (0.066 R)
• M23: 25,194,226 km (0.119 R)
• M24: 25,986,497 km (0.085 R)
• M25: 29,612,300 km (0.069 R)
• M26: 30,692,846 km (0.096 R)
• M27: 35,060,206 km (0.082 R)
• M28: 36,491,558 km (0.041 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.2

Radius: 5.8

Gravity: 26.46 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 10.38 AU - 11.34 AU

Year: 23866 Days

Day: 16.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 93,414,731 km

• M1: 78,090 km (0.112 R)
• M2: 368,609 km (0.058 R)
• M3: 607,517 km (0.109 R)
• M4: 796,758 km (0.101 R)
• M5: 999,763 km (0.081 R)
• M6: 2,187,719 km (0.118 R)
• M7: 2,592,382 km (0.072 R)
• M8: 3,130,784 km (0.084 R)
• M9: 3,708,531 km (0.076 R)
• M10: 5,956,838 km (0.116 R)
• M11: 6,505,413 km (0.118 R)
• M12: 7,755,453 km (0.109 R)
• M13: 8,749,231 km (0.1 R)
• M14: 10,919,897 km (0.117 R)
• M15: 11,325,008 km (0.087 R)
• M16: 12,309,062 km (0.114 R)
• M17: 14,047,539 km (0.11 R)
• M18: 29,943,061 km (0.065 R)
• M19: 36,383,997 km (0.092 R)
• M20: 40,084,450 km (0.077 R)
• M21: 48,403,139 km (0.115 R)
• M22: 54,806,078 km (0.064 R)
• M23: 56,590,631 km (0.028 R)
• M24: 56,791,391 km (0.081 R)
• M25: 58,824,127 km (0.102 R)
• M26: 60,694,549 km (0.117 R)
• M27: 60,904,884 km (0.077 R)
• M28: 64,772,886 km (0.054 R)
• M29: 72,994,187 km (0.082 R)
• M30: 75,395,382 km (0.111 R)
• M31: 77,601,053 km (0.111 R)
• M32: 84,475,374 km (0.081 R)
• M33: 84,737,470 km (0.207 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: 268 - 10,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit