🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.6

Radius: 13.3

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.74 AU - 0.95 AU

Year: 505 Days

Day: 5.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,864,876 km

• M1: 165,455 km (0.119 R)
• M2: 593,006 km (0.093 R)
• M3: 1,129,165 km (0.079 R)
• M4: 1,570,478 km (0.085 R)
• M5: 2,169,020 km (0.042 R)
• M6: 2,640,851 km (0.117 R)
• M7: 3,341,568 km (0.119 R)
• M8: 4,050,662 km (0.091 R)
• M9: 4,788,029 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.1

Radius: 12.2

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.32 AU - 1.44 AU

Year: 1063 Days

Day: 11.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,864,876 km

• M1: 151,692 km (0.088 R)
• M2: 933,192 km (0.092 R)
• M3: 1,824,645 km (0.108 R)
• M4: 3,002,429 km (0.099 R)
• M5: 3,795,747 km (0.085 R)
• M6: 4,352,849 km (0.104 R)
• M7: 5,212,738 km (0.077 R)
• M8: 5,693,695 km (0.095 R)
• M9: 7,342,263 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.5

Radius: 13.8

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.65 AU - 1.79 AU

Year: 1480 Days

Day: 11.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,864,876 km

• M1: 171,738 km (0.068 R)
• M2: 633,397 km (0.11 R)
• M3: 1,081,293 km (0.066 R)
• M4: 1,603,390 km (0.069 R)
• M5: 2,218,237 km (0.104 R)
• M6: 2,908,631 km (0.041 R)
• M7: 3,646,448 km (0.099 R)
• M8: 4,076,991 km (0.087 R)
• M9: 4,946,603 km (0.11 R)
• M10: 5,641,037 km (0.111 R)
• M11: 6,088,334 km (0.046 R)
• M12: 8,281,738 km (0.084 R)
• M13: 9,060,694 km (0.095 R)
• M14: 10,257,627 km (0.114 R)
• M15: 10,992,302 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.4

Radius: 12.2

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.75 AU - 2.21 AU

Year: 1828 Days

Day: 14.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,864,876 km

• M1: 152,141 km (0.081 R)
• M2: 582,684 km (0.08 R)
• M3: 1,052,571 km (0.107 R)
• M4: 1,647,073 km (0.073 R)
• M5: 2,582,807 km (0.075 R)
• M6: 2,969,518 km (0.078 R)
• M7: 3,472,615 km (0.11 R)
• M8: 3,878,474 km (0.079 R)
• M9: 4,426,152 km (0.08 R)
• M10: 4,806,430 km (0.104 R)
• M11: 5,375,799 km (0.068 R)
• M12: 7,151,077 km (0.11 R)
• M13: 7,650,286 km (0.096 R)
• M14: 9,661,778 km (0.105 R)
• M15: 10,470,953 km (0.105 R)
• M16: 11,786,816 km (0.079 R)
• M17: 12,187,589 km (0.094 R)
• M18: 12,635,186 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.4

Radius: 11.3

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2 AU - 2.6 AU

Year: 2288 Days

Day: 9.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,864,876 km

• M1: 141,819 km (0.106 R)
• M2: 564,582 km (0.089 R)
• M3: 1,024,297 km (0.098 R)
• M4: 1,457,083 km (0.115 R)
• M5: 1,841,849 km (0.055 R)
• M6: 2,412,864 km (0.066 R)
• M7: 3,004,972 km (0.059 R)
• M8: 3,378,219 km (0.118 R)
• M9: 4,398,925 km (0.11 R)
• M10: 5,401,530 km (0.094 R)
• M11: 5,857,654 km (0.087 R)
• M12: 6,210,107 km (0.067 R)
• M13: 6,684,332 km (0.111 R)
• M14: 7,041,572 km (0.061 R)
• M15: 7,499,042 km (0.09 R)
• M16: 9,024,641 km (0.076 R)
• M17: 9,427,807 km (0.109 R)
• M18: 10,636,259 km (0.088 R)
• M19: 11,086,549 km (0.097 R)
• M20: 12,025,425 km (0.063 R)
• M21: 12,638,627 km (0.108 R)
• M22: 13,016,511 km (0.111 R)
• M23: 16,614,938 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.2

Radius: 11.7

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.05 AU - 3.03 AU

Year: 2656 Days

Day: 6.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 163.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,864,876 km

• M1: 145,559 km (0.042 R)
• M2: 515,365 km (0.118 R)
• M3: 895,343 km (0.104 R)
• M4: 1,336,358 km (0.093 R)
• M5: 1,960,330 km (0.105 R)
• M6: 2,553,486 km (0.117 R)
• M7: 3,695,067 km (0.105 R)
• M8: 4,207,291 km (0.117 R)
• M9: 4,650,848 km (0.087 R)
• M10: 5,100,988 km (0.105 R)
• M11: 5,844,490 km (0.06 R)
• M12: 6,455,597 km (0.036 R)
• M13: 7,017,187 km (0.09 R)
• M14: 7,708,030 km (0.107 R)
• M15: 8,409,345 km (0.106 R)
• M16: 9,900,836 km (0.119 R)
• M17: 10,648,825 km (0.104 R)
• M18: 11,906,345 km (0.099 R)
• M19: 14,169,462 km (0.091 R)
• M20: 18,989,505 km (0.099 R)
• M21: 19,470,163 km (0.109 R)
• M22: 20,330,650 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.8

Radius: 12.6

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3 AU - 3.38 AU

Year: 3738 Days

Day: 14.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,864,876 km

• M1: 156,779 km (0.118 R)
• M2: 551,268 km (0.101 R)
• M3: 988,393 km (0.119 R)
• M4: 1,759,869 km (0.115 R)
• M5: 2,205,372 km (0.099 R)
• M6: 2,599,113 km (0.092 R)
• M7: 3,446,436 km (0.115 R)
• M8: 3,981,847 km (0.116 R)
• M9: 4,449,789 km (0.111 R)
• M10: 5,496,974 km (0.039 R)
• M11: 6,054,076 km (0.102 R)
• M12: 6,809,845 km (0.111 R)
• M13: 7,482,287 km (0.104 R)
• M14: 7,894,579 km (0.104 R)
• M15: 8,927,103 km (0.067 R)
• M16: 10,477,536 km (0.101 R)
• M17: 11,336,227 km (0.07 R)
• M18: 12,362,618 km (0.095 R)
• M19: 14,061,601 km (0.101 R)
• M20: 14,874,815 km (0.117 R)
• M21: 16,545,824 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.5

Radius: 13.1

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.56 AU - 4 AU

Year: 3897 Days

Day: 6.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,864,876 km

• M1: 167,400 km (0.095 R)
• M2: 664,514 km (0.097 R)
• M3: 1,106,875 km (0.107 R)
• M4: 1,643,931 km (0.045 R)
• M5: 2,158,847 km (0.106 R)
• M6: 3,459,301 km (0.067 R)
• M7: 3,993,366 km (0.098 R)
• M8: 4,706,947 km (0.068 R)
• M9: 5,201,817 km (0.103 R)
• M10: 5,645,375 km (0.113 R)
• M11: 6,608,935 km (0.034 R)
• M12: 7,197,602 km (0.069 R)
• M13: 8,036,697 km (0.069 R)
• M14: 8,862,327 km (0.074 R)
• M15: 9,909,961 km (0.117 R)
• M16: 12,396,577 km (0.097 R)
• M17: 13,040,446 km (0.034 R)
• M18: 13,550,725 km (0.109 R)
• M19: 16,071,898 km (0.054 R)
• M20: 17,078,392 km (0.059 R)
• M21: 19,413,465 km (0.118 R)
• M22: 20,486,381 km (0.116 R)
• M23: 21,107,063 km (0.062 R)
• M24: 25,650,201 km (0.084 R)
• M25: 27,437,147 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.3

Radius: 13.4

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.57 AU - 4.81 AU

Year: 5626 Days

Day: 11.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,864,876 km

• M1: 167,250 km (0.115 R)
• M2: 590,164 km (0.097 R)
• M3: 1,319,902 km (0.089 R)
• M4: 2,716,997 km (0.109 R)
• M5: 3,208,725 km (0.054 R)
• M6: 3,783,330 km (0.07 R)
• M7: 6,124,537 km (0.112 R)
• M8: 7,451,919 km (0.116 R)
• M9: 7,986,582 km (0.119 R)
• M10: 8,795,008 km (0.105 R)
• M11: 10,669,919 km (0.105 R)
• M12: 11,752,259 km (0.072 R)
• M13: 12,215,713 km (0.09 R)
• M14: 13,455,580 km (0.116 R)
• M15: 14,777,876 km (0.086 R)
• M16: 16,502,440 km (0.092 R)
• M17: 18,564,198 km (0.118 R)
• M18: 19,123,096 km (0.027 R)
• M19: 20,495,507 km (0.098 R)
• M20: 21,855,351 km (0.072 R)
• M21: 22,636,402 km (0.063 R)
• M22: 23,113,918 km (0.115 R)
• M23: 23,679,548 km (0.119 R)
• M24: 25,431,937 km (0.11 R)
• M25: 27,179,689 km (0.113 R)
• M26: 29,287,374 km (0.1 R)
• M27: 31,600,456 km (0.107 R)
• M28: 35,401,588 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 340.5

Radius: 5.9

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.41 AU - 8.09 AU

Year: 14153 Days

Day: 22.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,864,876 km

• M1: 73,303 km (0.112 R)
• M2: 288,125 km (0.098 R)
• M3: 509,680 km (0.07 R)
• M4: 1,122,433 km (0.111 R)
• M5: 1,402,779 km (0.072 R)
• M6: 1,654,104 km (0.106 R)
• M7: 1,838,109 km (0.068 R)
• M8: 2,303,059 km (0.117 R)
• M9: 2,593,578 km (0.116 R)
• M10: 3,131,981 km (0.11 R)
• M11: 5,292,922 km (0.093 R)
• M12: 5,834,766 km (0.038 R)
• M13: 7,148,235 km (0.109 R)
• M14: 8,111,795 km (0.098 R)
• M15: 8,693,132 km (0.105 R)
• M16: 10,709,113 km (0.117 R)
• M17: 13,503,302 km (0.082 R)
• M18: 15,434,461 km (0.098 R)
• M19: 16,962,603 km (0.099 R)
• M20: 19,127,285 km (0.032 R)
• M21: 19,676,159 km (0.095 R)
• M22: 20,805,174 km (0.044 R)
• M23: 22,147,815 km (0.116 R)
• M24: 22,927,818 km (0.11 R)
• M25: 24,268,365 km (0.107 R)
• M26: 30,049,275 km (0.095 R)
• M27: 31,544,207 km (0.093 R)
• M28: 32,976,158 km (0.115 R)
• M29: 34,336,002 km (0.107 R)
• M30: 35,029,688 km (0.086 R)
• M31: 36,684,539 km (0.095 R)
• M32: 37,166,843 km (0.074 R)
• M33: 45,330,249 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 13,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit