🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.6

Radius: 12.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.01 AU - 1.61 AU

Year: 984 Days

Day: 10.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,968,252 km

• M1: 155,432 km (0.057 R)
• M2: 685,308 km (0.075 R)
• M3: 1,098,048 km (0.112 R)
• M4: 1,606,382 km (0.072 R)
• M5: 2,018,674 km (0.09 R)
• M6: 2,492,151 km (0.06 R)
• M7: 2,910,127 km (0.04 R)
• M8: 3,387,943 km (0.04 R)
• M9: 4,151,491 km (0.096 R)
• M10: 4,630,503 km (0.083 R)
• M11: 5,571,922 km (0.107 R)
• M12: 6,234,940 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.4

Radius: 11.9

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.45 AU - 2.27 AU

Year: 1664 Days

Day: 14.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,968,252 km

• M1: 151,094 km (0.069 R)
• M2: 658,679 km (0.099 R)
• M3: 1,239,867 km (0.073 R)
• M4: 1,722,320 km (0.077 R)
• M5: 2,620,506 km (0.114 R)
• M6: 3,019,334 km (0.058 R)
• M7: 3,397,816 km (0.077 R)
• M8: 4,146,404 km (0.075 R)
• M9: 4,748,835 km (0.03 R)
• M10: 5,772,383 km (0.111 R)
• M11: 7,341,815 km (0.096 R)
• M12: 8,393,637 km (0.106 R)
• M13: 8,794,859 km (0.042 R)
• M14: 9,823,045 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.6

Radius: 11.4

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.81 AU - 1.97 AU

Year: 1705 Days

Day: 6.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,968,252 km

• M1: 141,819 km (0.091 R)
• M2: 562,787 km (0.089 R)
• M3: 989,291 km (0.102 R)
• M4: 1,574,218 km (0.115 R)
• M5: 2,182,483 km (0.101 R)
• M6: 2,700,840 km (0.112 R)
• M7: 3,523,628 km (0.062 R)
• M8: 3,885,206 km (0.085 R)
• M9: 4,667,454 km (0.115 R)
• M10: 6,063,351 km (0.106 R)
• M11: 6,606,242 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.3

Radius: 14.5

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.81 AU - 5.11 AU

Year: 7247 Days

Day: 13.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,968,252 km

• M1: 186,100 km (0.108 R)
• M2: 686,056 km (0.115 R)
• M3: 1,667,418 km (0.114 R)
• M4: 2,364,694 km (0.118 R)
• M5: 3,773,457 km (0.109 R)
• M6: 4,401,917 km (0.088 R)
• M7: 8,101,622 km (0.106 R)
• M8: 8,575,848 km (0.053 R)
• M9: 9,237,369 km (0.079 R)
• M10: 11,824,515 km (0.114 R)
• M11: 14,115,307 km (0.098 R)
• M12: 16,311,853 km (0.073 R)
• M13: 19,843,110 km (0.078 R)
• M14: 20,781,538 km (0.052 R)
• M15: 22,282,902 km (0.084 R)
• M16: 25,838,993 km (0.057 R)
• M17: 27,662,741 km (0.034 R)
• M18: 30,038,056 km (0.035 R)
• M19: 31,760,226 km (0.111 R)
• M20: 33,648,600 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.4

Radius: 8.1

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.28 AU - 7.02 AU

Year: 8810 Days

Day: 11.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,968,252 km

• M1: 106,962 km (0.062 R)
• M2: 590,762 km (0.094 R)
• M3: 1,040,154 km (0.103 R)
• M4: 3,362,212 km (0.112 R)
• M5: 6,994,748 km (0.03 R)
• M6: 8,316,744 km (0.049 R)
• M7: 8,617,286 km (0.101 R)
• M8: 9,656,243 km (0.073 R)
• M9: 10,181,631 km (0.1 R)
• M10: 11,289,703 km (0.1 R)
• M11: 11,605,354 km (0.04 R)
• M12: 13,506,743 km (0.081 R)
• M13: 17,353,203 km (0.1 R)
• M14: 21,309,020 km (0.096 R)
• M15: 24,053,991 km (0.088 R)
• M16: 25,019,047 km (0.027 R)
• M17: 26,009,684 km (0.07 R)
• M18: 26,560,952 km (0.069 R)
• M19: 26,932,703 km (0.074 R)
• M20: 32,934,719 km (0.042 R)
• M21: 37,164,001 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.1

Radius: 7.1

Gravity: 19.05 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.35 AU - 7.01 AU

Year: 11326 Days

Day: 17.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,968,252 km

• M1: 103,522 km (0.093 R)
• M2: 340,335 km (0.062 R)
• M3: 619,634 km (0.067 R)
• M4: 1,087,726 km (0.092 R)
• M5: 1,311,824 km (0.098 R)
• M6: 1,739,524 km (0.073 R)
• M7: 1,995,336 km (0.106 R)
• M8: 2,295,879 km (0.059 R)
• M9: 2,965,030 km (0.1 R)
• M10: 3,461,396 km (0.103 R)
• M11: 3,757,300 km (0.103 R)
• M12: 4,040,938 km (0.117 R)
• M13: 4,747,788 km (0.09 R)
• M14: 5,216,627 km (0.047 R)
• M15: 6,130,521 km (0.103 R)
• M16: 6,524,412 km (0.097 R)
• M17: 6,851,582 km (0.032 R)
• M18: 7,991,219 km (0.052 R)
• M19: 9,665,518 km (0.07 R)
• M20: 10,199,433 km (0.094 R)
• M21: 11,152,072 km (0.073 R)
• M22: 12,101,570 km (0.099 R)
• M23: 12,471,226 km (0.047 R)
• M24: 14,779,222 km (0.096 R)
• M25: 17,202,858 km (0.074 R)
• M26: 19,456,998 km (0.102 R)
• M27: 24,055,637 km (0.065 R)
• M28: 25,134,387 km (0.105 R)
• M29: 28,456,058 km (0.12 R)
• M30: 29,662,116 km (0.116 R)
• M31: 32,766,721 km (0.076 R)
• M32: 36,718,797 km (0.096 R)
• M33: 49,045,363 km (0.115 R)
• M34: 54,194,821 km (0.101 R)
• M35: 56,044,897 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.5

Radius: 7.7

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.59 AU - 7.39 AU

Year: 12123 Days

Day: 16 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,968,252 km

• M1: 100,380 km (0.115 R)
• M2: 373,695 km (0.067 R)
• M3: 891,155 km (0.044 R)
• M4: 1,411,007 km (0.101 R)
• M5: 1,855,163 km (0.098 R)
• M6: 3,714,216 km (0.098 R)
• M7: 5,165,016 km (0.032 R)
• M8: 5,501,462 km (0.088 R)
• M9: 5,819,956 km (0.12 R)
• M10: 10,912,267 km (0.084 R)
• M11: 20,042,674 km (0.1 R)
• M12: 20,569,558 km (0.104 R)
• M13: 26,357,200 km (0.045 R)
• M14: 31,198,636 km (0.108 R)
• M15: 37,501,643 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.4

Radius: 4.5

Gravity: 16.76 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.36 AU - 12.44 AU

Year: 22002 Days

Day: 16.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,968,252 km

• M1: 56,398 km (0.088 R)
• M2: 228,137 km (0.099 R)
• M3: 370,853 km (0.088 R)
• M4: 1,182,721 km (0.111 R)
• M5: 1,910,814 km (0.098 R)
• M6: 2,078,812 km (0.09 R)
• M7: 3,022,027 km (0.073 R)
• M8: 3,250,762 km (0.113 R)
• M9: 4,128,004 km (0.103 R)
• M10: 4,346,117 km (0.118 R)
• M11: 4,704,404 km (0.049 R)
• M12: 6,501,523 km (0.075 R)
• M13: 6,754,194 km (0.109 R)
• M14: 8,509,875 km (0.114 R)
• M15: 8,863,375 km (0.104 R)
• M16: 10,150,365 km (0.033 R)
• M17: 10,376,408 km (0.101 R)
• M18: 11,928,037 km (0.051 R)
• M19: 13,972,292 km (0.064 R)
• M20: 16,161,956 km (0.059 R)
• M21: 18,319,306 km (0.113 R)
• M22: 20,035,792 km (0.066 R)
• M23: 21,950,346 km (0.115 R)
• M24: 23,097,462 km (0.072 R)
• M25: 27,975,550 km (0.064 R)
• M26: 28,419,855 km (0.112 R)
• M27: 41,690,683 km (0.026 R)
• M28: 49,004,522 km (0.109 R)
• M29: 52,120,945 km (0.056 R)
• M30: 52,288,645 km (0.098 R)
• M31: 52,962,583 km (0.102 R)
• M32: 55,716,381 km (0.028 R)
• M33: 57,128,435 km (0.12 R)
• M34: 61,320,616 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.4

Radius: 4.3

Gravity: 25.17 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.21 AU - 12.79 AU

Year: 22320 Days

Day: 18 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,968,252 km

• M1: 53,406 km (0.115 R)
• M2: 259,403 km (0.108 R)
• M3: 432,338 km (0.099 R)
• M4: 578,495 km (0.117 R)
• M5: 1,150,408 km (0.1 R)
• M6: 2,237,685 km (0.108 R)
• M7: 4,690,641 km (0.093 R)
• M8: 8,056,444 km (0.071 R)
• M9: 22,367,874 km (0.11 R)
• M10: 25,038,794 km (0.117 R)
• M11: 27,800,221 km (0.075 R)
• M12: 28,260,085 km (0.076 R)
• M13: 31,126,530 km (0.12 R)
• M14: 50,070,707 km (0.118 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 17,884 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit