🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.8

Radius: 13

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.76 AU - 0.98 AU

Year: 550 Days

Day: 12.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,791,525 km

• M1: 161,715 km (0.089 R)
• M2: 640,877 km (0.061 R)
• M3: 1,050,177 km (0.043 R)
• M4: 1,863,840 km (0.099 R)
• M5: 2,547,801 km (0.028 R)
• M6: 3,613,088 km (0.078 R)
• M7: 4,138,326 km (0.095 R)
• M8: 4,858,340 km (0.028 R)
• M9: 5,308,780 km (0.086 R)
• M10: 6,628,831 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.8

Radius: 10.4

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.96 AU - 2.74 AU

Year: 2443 Days

Day: 12.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,791,525 km

• M1: 130,898 km (0.091 R)
• M2: 606,171 km (0.066 R)
• M3: 1,510,789 km (0.06 R)
• M4: 2,396,707 km (0.101 R)
• M5: 3,036,837 km (0.059 R)
• M6: 3,542,777 km (0.1 R)
• M7: 4,905,613 km (0.059 R)
• M8: 6,258,277 km (0.1 R)
• M9: 7,719,101 km (0.103 R)
• M10: 8,362,820 km (0.106 R)
• M11: 10,587,789 km (0.12 R)
• M12: 11,301,521 km (0.116 R)
• M13: 11,753,306 km (0.093 R)
• M14: 12,825,025 km (0.108 R)
• M15: 13,960,623 km (0.085 R)
• M16: 15,014,241 km (0.068 R)
• M17: 16,587,861 km (0.114 R)
• M18: 17,279,452 km (0.077 R)
• M19: 17,824,437 km (0.099 R)
• M20: 19,763,674 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.3

Radius: 10

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.28 AU - 3.98 AU

Year: 4691 Days

Day: 14.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,791,525 km

• M1: 124,316 km (0.113 R)
• M2: 471,981 km (0.103 R)
• M3: 825,481 km (0.082 R)
• M4: 1,475,035 km (0.077 R)
• M5: 2,737,491 km (0.066 R)
• M6: 3,650,487 km (0.094 R)
• M7: 4,658,926 km (0.114 R)
• M8: 5,815,468 km (0.11 R)
• M9: 6,809,097 km (0.115 R)
• M10: 7,946,340 km (0.08 R)
• M11: 8,328,562 km (0.056 R)
• M12: 10,102,793 km (0.085 R)
• M13: 10,593,324 km (0.115 R)
• M14: 11,402,649 km (0.077 R)
• M15: 12,669,892 km (0.094 R)
• M16: 13,289,078 km (0.055 R)
• M17: 14,691,259 km (0.109 R)
• M18: 15,162,343 km (0.094 R)
• M19: 17,611,409 km (0.073 R)
• M20: 18,624,636 km (0.052 R)
• M21: 21,029,421 km (0.077 R)
• M22: 21,897,538 km (0.107 R)
• M23: 22,720,027 km (0.079 R)
• M24: 23,350,133 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.2

Radius: 9

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.98 AU - 5.28 AU

Year: 7881 Days

Day: 13.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,791,525 km

• M1: 111,899 km (0.104 R)
• M2: 496,366 km (0.109 R)
• M3: 856,897 km (0.104 R)
• M4: 1,286,392 km (0.091 R)
• M5: 2,483,325 km (0.103 R)
• M6: 3,109,242 km (0.07 R)
• M7: 3,748,025 km (0.117 R)
• M8: 5,425,765 km (0.074 R)
• M9: 6,351,028 km (0.063 R)
• M10: 7,447,730 km (0.064 R)
• M11: 8,096,835 km (0.096 R)
• M12: 11,872,685 km (0.042 R)
• M13: 13,528,883 km (0.082 R)
• M14: 14,770,845 km (0.105 R)
• M15: 16,323,820 km (0.111 R)
• M16: 18,430,458 km (0.074 R)
• M17: 20,434,471 km (0.104 R)
• M18: 21,346,419 km (0.054 R)
• M19: 21,920,875 km (0.086 R)
• M20: 23,176,001 km (0.102 R)
• M21: 27,144,534 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.1

Radius: 12.2

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.92 AU - 6.5 AU

Year: 8066 Days

Day: 9.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,791,525 km

• M1: 153,936 km (0.094 R)
• M2: 622,178 km (0.095 R)
• M3: 1,130,212 km (0.087 R)
• M4: 1,590,674 km (0.064 R)
• M5: 2,264,014 km (0.093 R)
• M6: 2,924,788 km (0.11 R)
• M7: 3,735,908 km (0.097 R)
• M8: 4,516,809 km (0.097 R)
• M9: 5,601,094 km (0.111 R)
• M10: 6,222,673 km (0.111 R)
• M11: 7,895,028 km (0.104 R)
• M12: 8,632,695 km (0.046 R)
• M13: 9,180,522 km (0.077 R)
• M14: 11,017,734 km (0.047 R)
• M15: 12,562,631 km (0.078 R)
• M16: 15,539,778 km (0.048 R)
• M17: 21,747,491 km (0.113 R)
• M18: 22,506,700 km (0.1 R)
• M19: 23,722,632 km (0.119 R)
• M20: 24,981,797 km (0.098 R)
• M21: 26,285,094 km (0.033 R)
• M22: 28,424,044 km (0.091 R)
• M23: 34,388,212 km (0.044 R)
• M24: 37,181,803 km (0.062 R)
• M25: 40,754,948 km (0.11 R)
• M26: 43,216,431 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.1

Radius: 6.4

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.99 AU - 7.85 AU

Year: 12347 Days

Day: 20.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,791,525 km

• M1: 79,586 km (0.028 R)
• M2: 303,684 km (0.098 R)
• M3: 1,094,608 km (0.086 R)
• M4: 2,838,769 km (0.11 R)
• M5: 3,723,341 km (0.103 R)
• M6: 4,101,824 km (0.12 R)
• M7: 4,535,508 km (0.084 R)
• M8: 5,292,473 km (0.117 R)
• M9: 6,933,861 km (0.064 R)
• M10: 8,888,058 km (0.103 R)
• M11: 9,763,505 km (0.067 R)
• M12: 10,067,638 km (0.095 R)
• M13: 10,483,071 km (0.045 R)
• M14: 11,515,446 km (0.074 R)
• M15: 11,798,036 km (0.116 R)
• M16: 14,163,478 km (0.115 R)
• M17: 17,118,634 km (0.064 R)
• M18: 20,958,961 km (0.11 R)
• M19: 25,911,698 km (0.102 R)
• M20: 27,386,433 km (0.05 R)
• M21: 29,333,749 km (0.056 R)
• M22: 31,701,734 km (0.118 R)
• M23: 40,468,318 km (0.12 R)
• M24: 48,929,125 km (0.089 R)
• M25: 49,521,832 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870

Radius: 3.1

Gravity: 90.53 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.48 AU - 10.52 AU

Year: 16808 Days

Day: 24.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 76,791,525 km

• M1: 38,596 km (0.101 R)
• M2: 306,376 km (0.043 R)
• M3: 466,297 km (0.056 R)
• M4: 634,145 km (0.069 R)
• M5: 1,039,855 km (0.094 R)
• M6: 1,357,601 km (0.113 R)
• M7: 1,466,209 km (0.116 R)
• M8: 1,718,580 km (0.106 R)
• M9: 1,902,436 km (0.03 R)
• M10: 2,202,380 km (0.068 R)
• M11: 3,460,498 km (0.12 R)
• M12: 4,910,700 km (0.087 R)
• M13: 6,034,180 km (0.114 R)
• M14: 6,201,430 km (0.114 R)
• M15: 6,328,888 km (0.087 R)
• M16: 7,604,808 km (0.098 R)
• M17: 8,354,293 km (0.067 R)
• M18: 9,372,456 km (0.073 R)
• M19: 10,351,275 km (0.096 R)
• M20: 10,834,626 km (0.12 R)
• M21: 11,911,282 km (0.111 R)
• M22: 12,307,716 km (0.113 R)
• M23: 18,906,777 km (0.119 R)
• M24: 21,413,290 km (0.116 R)
• M25: 23,100,006 km (0.093 R)
• M26: 28,923,552 km (0.044 R)
• M27: 30,487,896 km (0.067 R)
• M28: 32,617,273 km (0.038 R)
• M29: 32,874,132 km (0.095 R)
• M30: 38,584,732 km (0.087 R)
• M31: 42,737,868 km (0.108 R)
• M32: 45,080,570 km (0.102 R)
• M33: 46,041,138 km (0.09 R)
• M34: 49,341,566 km (0.09 R)
• M35: 52,268,000 km (0.057 R)
• M36: 57,710,670 km (0.083 R)
• M37: 58,086,460 km (0.115 R)
• M38: 58,842,826 km (0.082 R)
• M39: 59,223,403 km (0.105 R)
• M40: 60,568,438 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.5

Radius: 3.6

Gravity: 60.3 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 8.78 AU - 12.16 AU

Year: 22978 Days

Day: 22.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 76,791,525 km

• M1: 55,650 km (0.085 R)
• M2: 316,100 km (0.099 R)
• M3: 429,196 km (0.114 R)
• M4: 570,267 km (0.118 R)
• M5: 731,683 km (0.117 R)
• M6: 852,109 km (0.085 R)
• M7: 1,374,356 km (0.108 R)
• M8: 1,703,920 km (0.029 R)
• M9: 1,837,959 km (0.103 R)
• M10: 2,328,491 km (0.118 R)
• M11: 2,445,776 km (0.065 R)
• M12: 2,616,616 km (0.084 R)
• M13: 4,145,806 km (0.082 R)
• M14: 4,318,442 km (0.09 R)
• M15: 4,678,524 km (0.111 R)
• M16: 5,835,514 km (0.119 R)
• M17: 6,052,580 km (0.089 R)
• M18: 7,830,252 km (0.084 R)
• M19: 8,809,220 km (0.037 R)
• M20: 9,564,989 km (0.07 R)
• M21: 13,022,345 km (0.108 R)
• M22: 14,311,579 km (0.079 R)
• M23: 15,271,250 km (0.106 R)
• M24: 21,531,322 km (0.115 R)
• M25: 23,110,627 km (0.085 R)
• M26: 27,574,777 km (0.05 R)
• M27: 32,175,510 km (0.069 R)
• M28: 37,114,334 km (0.063 R)
• M29: 39,531,237 km (0.108 R)
• M30: 42,697,027 km (0.104 R)
• M31: 46,370,104 km (0.083 R)
• M32: 47,756,427 km (0.049 R)
• M33: 47,931,607 km (0.085 R)
• M34: 51,526,144 km (0.119 R)
• M35: 56,462,126 km (0.055 R)
• M36: 57,644,248 km (0.098 R)
• M37: 58,842,826 km (0.081 R)
• M38: 75,967,893 km (0.042 R)
• M39: 81,586,640 km (0.131 R)
• M40: 87,214,212 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.8

Radius: 5.3

Gravity: 17.79 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 8.05 AU - 13.35 AU

Year: 23739 Days

Day: 15.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,791,525 km

• M1: 149,747 km (0.062 R)
• M2: 398,230 km (0.104 R)
• M3: 882,927 km (0.092 R)
• M4: 1,194,240 km (0.038 R)
• M5: 1,732,194 km (0.087 R)
• M6: 2,418,698 km (0.075 R)
• M7: 5,162,772 km (0.084 R)
• M8: 5,549,782 km (0.119 R)
• M9: 6,557,174 km (0.096 R)
• M10: 9,947,211 km (0.102 R)
• M11: 11,295,686 km (0.106 R)
• M12: 12,013,756 km (0.105 R)
• M13: 14,500,522 km (0.033 R)
• M14: 16,972,327 km (0.11 R)
• M15: 22,936,046 km (0.088 R)
• M16: 23,978,594 km (0.105 R)
• M17: 25,490,729 km (0.079 R)
• M18: 36,476,150 km (0.085 R)
• M19: 37,465,291 km (0.102 R)
• M20: 37,894,637 km (0.106 R)
• M21: 47,184,964 km (0.091 R)
• M22: 55,812,722 km (0.114 R)
• M23: 68,160,231 km (0.053 R)
• M24: 68,372,959 km (0.039 R)
• M25: 68,799,911 km (0.11 R)
• M26: 70,961,152 km (0.057 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 13,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit