🌌 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: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.8

Radius: 11.4

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.77 AU - 0.89 AU

Year: 496 Days

Day: 8.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,711,783 km

• M1: 142,118 km (0.044 R)
• M2: 522,845 km (0.077 R)
• M3: 1,031,926 km (0.041 R)
• M4: 1,575,565 km (0.098 R)
• M5: 1,958,685 km (0.119 R)
• M6: 2,404,636 km (0.107 R)
• M7: 2,855,375 km (0.06 R)
• M8: 3,504,181 km (0.087 R)
• M9: 4,317,843 km (0.105 R)
• M10: 5,397,192 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50

Radius: 8.7

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.96 AU - 1.2 AU

Year: 736 Days

Day: 14.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,711,783 km

• M1: 108,309 km (0.115 R)
• M2: 576,849 km (0.107 R)
• M3: 1,283,101 km (0.096 R)
• M4: 1,581,997 km (0.107 R)
• M5: 2,712,509 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.1

Radius: 13.7

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.97 AU - 1.59 AU

Year: 950 Days

Day: 9.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,711,783 km

• M1: 170,392 km (0.096 R)
• M2: 706,252 km (0.07 R)
• M3: 1,927,120 km (0.025 R)
• M4: 3,077,677 km (0.045 R)
• M5: 3,555,044 km (0.098 R)
• M6: 6,837,819 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.9

Radius: 9.7

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.77 AU - 2.03 AU

Year: 1718 Days

Day: 12.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,711,783 km

• M1: 120,725 km (0.103 R)
• M2: 522,097 km (0.098 R)
• M3: 837,150 km (0.09 R)
• M4: 1,184,815 km (0.094 R)
• M5: 1,537,866 km (0.077 R)
• M6: 1,908,570 km (0.049 R)
• M7: 2,314,429 km (0.081 R)
• M8: 2,818,873 km (0.084 R)
• M9: 3,670,384 km (0.098 R)
• M10: 4,509,927 km (0.098 R)
• M11: 6,790,995 km (0.09 R)
• M12: 7,309,950 km (0.094 R)
• M13: 8,873,996 km (0.025 R)
• M14: 9,526,392 km (0.089 R)
• M15: 11,243,926 km (0.1 R)
• M16: 11,970,672 km (0.052 R)
• M17: 12,767,131 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.1

Radius: 10.8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.4 AU - 3.32 AU

Year: 3173 Days

Day: 9.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,711,783 km

• M1: 134,339 km (0.106 R)
• M2: 503,098 km (0.086 R)
• M3: 1,042,398 km (0.04 R)
• M4: 1,995,636 km (0.117 R)
• M5: 2,773,395 km (0.106 R)
• M6: 3,299,680 km (0.078 R)
• M7: 3,760,591 km (0.075 R)
• M8: 4,768,283 km (0.11 R)
• M9: 5,672,602 km (0.097 R)
• M10: 6,257,380 km (0.102 R)
• M11: 6,632,721 km (0.089 R)
• M12: 7,282,125 km (0.03 R)
• M13: 9,108,715 km (0.087 R)
• M14: 13,204,106 km (0.103 R)
• M15: 13,868,471 km (0.117 R)
• M16: 15,072,883 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.7

Radius: 11.3

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.98 AU - 3.26 AU

Year: 3615 Days

Day: 5.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,711,783 km

• M1: 141,071 km (0.107 R)
• M2: 616,942 km (0.119 R)
• M3: 1,354,908 km (0.083 R)
• M4: 2,147,627 km (0.111 R)
• M5: 2,665,086 km (0.096 R)
• M6: 3,437,609 km (0.108 R)
• M7: 3,930,385 km (0.091 R)
• M8: 4,636,487 km (0.111 R)
• M9: 5,398,389 km (0.112 R)
• M10: 8,084,119 km (0.088 R)
• M11: 8,959,267 km (0.056 R)
• M12: 10,472,599 km (0.062 R)
• M13: 11,467,574 km (0.069 R)
• M14: 13,346,673 km (0.051 R)
• M15: 14,204,318 km (0.063 R)
• M16: 16,424,051 km (0.107 R)
• M17: 16,824,824 km (0.044 R)
• M18: 17,885,772 km (0.096 R)
• M19: 20,732,619 km (0.036 R)
• M20: 21,201,160 km (0.1 R)
• M21: 23,217,739 km (0.119 R)
• M22: 23,650,376 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.1

Radius: 14.1

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.32 AU - 5.4 AU

Year: 8141 Days

Day: 9.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,711,783 km

• M1: 175,478 km (0.095 R)
• M2: 908,957 km (0.098 R)
• M3: 1,819,260 km (0.03 R)
• M4: 2,336,719 km (0.071 R)
• M5: 3,368,794 km (0.096 R)
• M6: 4,321,284 km (0.092 R)
• M7: 7,060,421 km (0.04 R)
• M8: 8,103,567 km (0.077 R)
• M9: 9,432,295 km (0.108 R)
• M10: 10,296,522 km (0.108 R)
• M11: 13,208,744 km (0.12 R)
• M12: 16,906,953 km (0.085 R)
• M13: 18,548,042 km (0.091 R)
• M14: 24,549,310 km (0.117 R)
• M15: 25,631,202 km (0.037 R)
• M16: 27,986,770 km (0.098 R)
• M17: 29,769,827 km (0.119 R)
• M18: 33,452,029 km (0.103 R)
• M19: 34,001,801 km (0.098 R)
• M20: 37,075,139 km (0.037 R)
• M21: 37,782,438 km (0.108 R)
• M22: 40,329,192 km (0.093 R)
• M23: 41,707,886 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.3

Radius: 5.3

Gravity: 30.45 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 6.59 AU - 7.67 AU

Year: 12489 Days

Day: 19.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,711,783 km

• M1: 66,571 km (0.08 R)
• M2: 573,558 km (0.064 R)
• M3: 1,570,030 km (0.104 R)
• M4: 1,952,701 km (0.095 R)
• M5: 2,374,866 km (0.113 R)
• M6: 4,656,084 km (0.089 R)
• M7: 5,698,332 km (0.062 R)
• M8: 6,273,985 km (0.077 R)
• M9: 8,091,300 km (0.117 R)
• M10: 12,036,794 km (0.042 R)
• M11: 14,179,185 km (0.091 R)
• M12: 16,335,788 km (0.105 R)
• M13: 17,100,682 km (0.112 R)
• M14: 18,049,881 km (0.101 R)
• M15: 24,296,041 km (0.088 R)
• M16: 27,151,864 km (0.077 R)
• M17: 35,887,332 km (0.1 R)
• M18: 36,528,509 km (0.108 R)
• M19: 38,231,232 km (0.081 R)
• M20: 42,789,928 km (0.113 R)
• M21: 48,785,212 km (0.114 R)
• M22: 56,343,794 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.5

Radius: 3.9

Gravity: 43.75 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.57 AU - 9.23 AU

Year: 13206 Days

Day: 15.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,711,783 km

• M1: 48,769 km (0.077 R)
• M2: 173,982 km (0.082 R)
• M3: 319,242 km (0.119 R)
• M4: 478,414 km (0.064 R)
• M5: 673,190 km (0.114 R)
• M6: 877,840 km (0.112 R)
• M7: 1,370,167 km (0.091 R)
• M8: 1,884,484 km (0.081 R)
• M9: 2,496,340 km (0.066 R)
• M10: 3,357,724 km (0.061 R)
• M11: 4,431,388 km (0.049 R)
• M12: 4,748,087 km (0.067 R)
• M13: 4,978,617 km (0.1 R)
• M14: 6,128,726 km (0.037 R)
• M15: 8,030,115 km (0.09 R)
• M16: 8,452,579 km (0.07 R)
• M17: 8,644,962 km (0.035 R)
• M18: 9,290,776 km (0.117 R)
• M19: 10,075,117 km (0.058 R)
• M20: 11,073,384 km (0.104 R)
• M21: 12,380,720 km (0.11 R)
• M22: 13,721,416 km (0.06 R)
• M23: 14,529,544 km (0.1 R)
• M24: 16,687,642 km (0.079 R)
• M25: 17,297,254 km (0.075 R)
• M26: 18,967,813 km (0.077 R)
• M27: 22,441,925 km (0.042 R)
• M28: 22,811,132 km (0.109 R)
• M29: 29,061,780 km (0.083 R)
• M30: 32,812,049 km (0.083 R)
• M31: 33,888,256 km (0.1 R)
• M32: 34,618,443 km (0.12 R)
• M33: 36,744,678 km (0.093 R)
• M34: 38,428,103 km (0.078 R)
• M35: 44,073,178 km (0.09 R)
• M36: 46,269,125 km (0.064 R)
• M37: 55,782,952 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.9

Radius: 3.2

Gravity: 68.84 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.14 AU - 8.54 AU

Year: 14401 Days

Day: 15.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 61,711,783 km

• M1: 40,092 km (0.119 R)
• M2: 292,464 km (0.082 R)
• M3: 399,426 km (0.054 R)
• M4: 770,728 km (0.107 R)
• M5: 1,894,956 km (0.111 R)
• M6: 2,236,039 km (0.078 R)
• M7: 2,683,935 km (0.045 R)
• M8: 3,292,051 km (0.049 R)
• M9: 3,726,333 km (0.113 R)
• M10: 4,197,716 km (0.11 R)
• M11: 4,807,627 km (0.115 R)
• M12: 7,032,147 km (0.095 R)
• M13: 7,384,600 km (0.026 R)
• M14: 7,702,645 km (0.079 R)
• M15: 9,066,379 km (0.115 R)
• M16: 9,273,422 km (0.044 R)
• M17: 15,314,334 km (0.068 R)
• M18: 18,258,271 km (0.101 R)
• M19: 19,260,875 km (0.04 R)
• M20: 21,012,517 km (0.097 R)
• M21: 22,112,809 km (0.048 R)
• M22: 28,195,159 km (0.067 R)
• M23: 29,419,020 km (0.026 R)
• M24: 32,451,967 km (0.111 R)
• M25: 38,047,974 km (0.058 R)
• M26: 38,316,503 km (0.119 R)
• M27: 38,857,598 km (0.079 R)
• M28: 39,954,749 km (0.108 R)
• M29: 41,355,284 km (0.094 R)
• M30: 43,078,502 km (0.096 R)
• M31: 44,550,545 km (0.072 R)
• M32: 47,906,624 km (0.095 R)
• M33: 48,534,336 km (0.076 R)
• M34: 49,646,148 km (0.079 R)
• M35: 50,127,703 km (0.075 R)
• M36: 51,263,600 km (0.095 R)
• M37: 53,586,556 km (0.069 R)
• M38: 57,553,592 km (0.119 R)
• M39: 60,061,600 km (0.08 R)
• M40: 61,158,452 km (0.049 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: 543 - 19,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit