🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

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: 161.3

Radius: 8.3

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.56 AU - 0.82 AU

Year: 364 Days

Day: 8.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,811,759 km

• M1: 103,223 km (0.099 R)
• M2: 483,052 km (0.088 R)
• M3: 783,743 km (0.11 R)
• M4: 1,298,809 km (0.054 R)
• M5: 1,771,239 km (0.065 R)
• M6: 2,142,092 km (0.12 R)
• M7: 2,516,535 km (0.087 R)
• M8: 2,987,320 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.2

Radius: 9.1

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.75 AU - 1.19 AU

Year: 607 Days

Day: 12.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,811,759 km

• M1: 114,891 km (0.1 R)
• M2: 537,954 km (0.099 R)
• M3: 1,074,562 km (0.092 R)
• M4: 1,812,079 km (0.103 R)
• M5: 3,069,898 km (0.071 R)
• M6: 3,569,704 km (0.118 R)
• M7: 4,122,917 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.9

Radius: 12.7

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.68 AU - 2.4 AU

Year: 1853 Days

Day: 9.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,811,759 km

• M1: 158,723 km (0.108 R)
• M2: 631,153 km (0.096 R)
• M3: 1,054,665 km (0.104 R)
• M4: 1,563,597 km (0.102 R)
• M5: 2,051,136 km (0.09 R)
• M6: 2,534,487 km (0.093 R)
• M7: 3,292,799 km (0.105 R)
• M8: 3,768,819 km (0.102 R)
• M9: 4,520,698 km (0.107 R)
• M10: 4,943,312 km (0.113 R)
• M11: 6,129,174 km (0.093 R)
• M12: 6,906,036 km (0.041 R)
• M13: 7,305,014 km (0.051 R)
• M14: 8,535,157 km (0.093 R)
• M15: 9,026,586 km (0.065 R)
• M16: 10,968,665 km (0.087 R)
• M17: 11,550,302 km (0.06 R)
• M18: 13,215,925 km (0.116 R)
• M19: 13,791,428 km (0.059 R)
• M20: 14,512,489 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.1

Radius: 10.3

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.39 AU - 3.03 AU

Year: 2837 Days

Day: 10.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,811,759 km

• M1: 129,253 km (0.071 R)
• M2: 612,902 km (0.062 R)
• M3: 948,600 km (0.082 R)
• M4: 1,447,659 km (0.086 R)
• M5: 1,909,766 km (0.093 R)
• M6: 2,275,234 km (0.065 R)
• M7: 2,715,949 km (0.077 R)
• M8: 3,071,843 km (0.09 R)
• M9: 3,824,021 km (0.083 R)
• M10: 4,410,594 km (0.099 R)
• M11: 6,380,948 km (0.091 R)
• M12: 6,745,518 km (0.066 R)
• M13: 7,718,652 km (0.099 R)
• M14: 8,102,969 km (0.082 R)
• M15: 11,125,444 km (0.065 R)
• M16: 11,501,982 km (0.104 R)
• M17: 12,161,708 km (0.099 R)
• M18: 12,521,192 km (0.063 R)
• M19: 12,887,557 km (0.112 R)
• M20: 13,514,372 km (0.09 R)
• M21: 14,205,066 km (0.063 R)
• M22: 14,783,561 km (0.069 R)
• M23: 15,470,365 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.7

Radius: 12.9

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.31 AU - 3.31 AU

Year: 2995 Days

Day: 10.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,811,759 km

• M1: 160,369 km (0.04 R)
• M2: 586,124 km (0.054 R)
• M3: 1,066,034 km (0.1 R)
• M4: 1,834,818 km (0.05 R)
• M5: 2,663,590 km (0.072 R)
• M6: 3,330,198 km (0.071 R)
• M7: 4,395,933 km (0.095 R)
• M8: 5,589,276 km (0.071 R)
• M9: 9,459,672 km (0.119 R)
• M10: 11,472,511 km (0.111 R)
• M11: 12,054,447 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.7

Radius: 14.7

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.19 AU - 3.33 AU

Year: 3742 Days

Day: 14.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,811,759 km

• M1: 182,809 km (0.094 R)
• M2: 642,672 km (0.061 R)
• M3: 1,394,103 km (0.104 R)
• M4: 2,046,499 km (0.056 R)
• M5: 2,805,409 km (0.087 R)
• M6: 4,240,052 km (0.069 R)
• M7: 5,383,728 km (0.115 R)
• M8: 7,580,274 km (0.038 R)
• M9: 8,574,651 km (0.057 R)
• M10: 9,190,994 km (0.081 R)
• M11: 9,727,003 km (0.071 R)
• M12: 10,980,334 km (0.119 R)
• M13: 12,041,731 km (0.11 R)
• M14: 14,848,337 km (0.096 R)
• M15: 15,537,833 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.4

Radius: 13.8

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.11 AU - 4.23 AU

Year: 4470 Days

Day: 11.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,811,759 km

• M1: 171,589 km (0.113 R)
• M2: 658,829 km (0.082 R)
• M3: 1,469,949 km (0.031 R)
• M4: 2,586,996 km (0.071 R)
• M5: 3,229,369 km (0.105 R)
• M6: 3,818,336 km (0.101 R)
• M7: 4,503,345 km (0.09 R)
• M8: 5,409,908 km (0.045 R)
• M9: 6,466,667 km (0.025 R)
• M10: 7,372,632 km (0.082 R)
• M11: 9,730,743 km (0.087 R)
• M12: 12,910,296 km (0.102 R)
• M13: 13,802,348 km (0.093 R)
• M14: 14,791,340 km (0.099 R)
• M15: 15,827,006 km (0.098 R)
• M16: 16,604,616 km (0.086 R)
• M17: 17,850,616 km (0.111 R)
• M18: 22,480,820 km (0.102 R)
• M19: 23,310,789 km (0.112 R)
• M20: 24,160,954 km (0.036 R)
• M21: 25,434,480 km (0.099 R)
• M22: 26,087,774 km (0.099 R)
• M23: 26,752,288 km (0.104 R)
• M24: 28,550,454 km (0.081 R)
• M25: 30,427,758 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.6

Radius: 12.9

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.45 AU - 7.17 AU

Year: 8904 Days

Day: 7.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,811,759 km

• M1: 168,148 km (0.046 R)
• M2: 611,556 km (0.095 R)
• M3: 1,289,085 km (0.112 R)
• M4: 1,847,235 km (0.09 R)
• M5: 2,472,254 km (0.096 R)
• M6: 2,876,019 km (0.112 R)
• M7: 3,794,550 km (0.118 R)
• M8: 4,583,978 km (0.05 R)
• M9: 5,385,523 km (0.08 R)
• M10: 7,306,360 km (0.095 R)
• M11: 7,901,610 km (0.098 R)
• M12: 8,486,089 km (0.079 R)
• M13: 8,921,119 km (0.08 R)
• M14: 11,324,858 km (0.069 R)
• M15: 13,245,994 km (0.101 R)
• M16: 13,713,936 km (0.115 R)
• M17: 18,655,004 km (0.112 R)
• M18: 19,844,756 km (0.099 R)
• M19: 21,966,054 km (0.105 R)
• M20: 27,781,222 km (0.097 R)
• M21: 31,143,584 km (0.117 R)
• M22: 33,891,547 km (0.108 R)
• M23: 34,437,879 km (0.107 R)
• M24: 36,112,328 km (0.112 R)
• M25: 37,027,268 km (0.109 R)
• M26: 38,075,052 km (0.071 R)
• M27: 41,089,150 km (0.077 R)
• M28: 41,710,579 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.3

Radius: 6.3

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.77 AU - 9.87 AU

Year: 18091 Days

Day: 19 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,811,759 km

• M1: 112,049 km (0.081 R)
• M2: 323,580 km (0.072 R)
• M3: 1,066,334 km (0.073 R)
• M4: 1,319,752 km (0.11 R)
• M5: 1,566,290 km (0.113 R)
• M6: 2,392,668 km (0.063 R)
• M7: 3,669,785 km (0.088 R)
• M8: 3,983,043 km (0.113 R)
• M9: 5,564,293 km (0.108 R)
• M10: 7,750,666 km (0.09 R)
• M11: 8,315,248 km (0.113 R)
• M12: 9,900,537 km (0.118 R)
• M13: 10,340,354 km (0.111 R)
• M14: 10,850,483 km (0.08 R)
• M15: 11,859,820 km (0.098 R)
• M16: 12,481,848 km (0.1 R)
• M17: 12,995,118 km (0.088 R)
• M18: 18,593,220 km (0.065 R)
• M19: 18,842,301 km (0.031 R)
• M20: 20,826,567 km (0.105 R)
• M21: 30,850,073 km (0.116 R)
• M22: 32,024,566 km (0.083 R)
• M23: 32,864,109 km (0.095 R)
• M24: 36,889,937 km (0.104 R)
• M25: 37,415,175 km (0.092 R)
• M26: 46,358,884 km (0.088 R)
• M27: 46,970,440 km (0.074 R)
• M28: 49,312,096 km (0.086 R)
• M29: 58,031,108 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140

Radius: 6.5

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.63 AU - 12.63 AU

Year: 22036 Days

Day: 23.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,811,759 km

• M1: 80,783 km (0.111 R)
• M2: 373,396 km (0.12 R)
• M3: 1,041,351 km (0.112 R)
• M4: 1,293,722 km (0.03 R)
• M5: 1,530,536 km (0.104 R)
• M6: 2,289,296 km (0.074 R)
• M7: 4,091,502 km (0.114 R)
• M8: 5,940,382 km (0.049 R)
• M9: 6,412,363 km (0.109 R)
• M10: 7,027,210 km (0.095 R)
• M11: 9,060,545 km (0.084 R)
• M12: 10,339,307 km (0.099 R)
• M13: 11,129,334 km (0.101 R)
• M14: 13,803,246 km (0.089 R)
• M15: 14,372,316 km (0.118 R)
• M16: 15,692,817 km (0.113 R)
• M17: 19,658,806 km (0.026 R)
• M18: 19,976,701 km (0.078 R)
• M19: 20,951,032 km (0.118 R)
• M20: 22,644,630 km (0.114 R)
• M21: 25,635,390 km (0.085 R)
• M22: 25,919,626 km (0.105 R)
• M23: 26,882,438 km (0.094 R)
• M24: 32,166,534 km (0.107 R)
• M25: 32,608,147 km (0.062 R)
• M26: 43,106,926 km (0.115 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 15,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit