🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.2

Radius: 15

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.94 AU - 1.16 AU

Year: 695 Days

Day: 8.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,656,712 km

• M1: 186,549 km (0.047 R)
• M2: 696,976 km (0.048 R)
• M3: 1,410,858 km (0.063 R)
• M4: 2,633,521 km (0.096 R)
• M5: 3,132,579 km (0.032 R)
• M6: 3,936,518 km (0.108 R)
• M7: 4,667,154 km (0.109 R)
• M8: 5,229,792 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.3

Radius: 9

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.97 AU - 1.17 AU

Year: 715 Days

Day: 7.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,656,712 km

• M1: 111,899 km (0.118 R)
• M2: 562,189 km (0.118 R)
• M3: 924,365 km (0.091 R)
• M4: 1,358,498 km (0.098 R)
• M5: 1,933,552 km (0.058 R)
• M6: 2,367,685 km (0.097 R)
• M7: 2,865,697 km (0.041 R)
• M8: 3,354,134 km (0.114 R)
• M9: 3,770,166 km (0.068 R)
• M10: 4,870,458 km (0.116 R)
• M11: 6,230,452 km (0.079 R)
• M12: 6,550,741 km (0.104 R)
• M13: 7,180,847 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.9

Radius: 13

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.56 AU - 2.96 AU

Year: 2961 Days

Day: 8.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,656,712 km

• M1: 161,715 km (0.097 R)
• M2: 748,588 km (0.111 R)
• M3: 1,396,347 km (0.073 R)
• M4: 2,095,717 km (0.104 R)
• M5: 2,851,186 km (0.096 R)
• M6: 3,603,813 km (0.046 R)
• M7: 6,381,995 km (0.028 R)
• M8: 8,552,809 km (0.035 R)
• M9: 10,276,327 km (0.108 R)
• M10: 11,910,234 km (0.046 R)
• M11: 13,808,183 km (0.041 R)
• M12: 14,957,244 km (0.065 R)
• M13: 15,371,630 km (0.104 R)
• M14: 19,331,635 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.8

Radius: 12.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.01 AU - 4.11 AU

Year: 5282 Days

Day: 12.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,656,712 km

• M1: 160,818 km (0.09 R)
• M2: 608,115 km (0.119 R)
• M3: 1,099,096 km (0.099 R)
• M4: 1,779,766 km (0.115 R)
• M5: 2,358,560 km (0.086 R)
• M6: 2,910,127 km (0.117 R)
• M7: 4,497,361 km (0.09 R)
• M8: 5,019,457 km (0.101 R)
• M9: 6,000,071 km (0.114 R)
• M10: 9,928,511 km (0.103 R)
• M11: 11,047,653 km (0.037 R)
• M12: 12,907,454 km (0.104 R)
• M13: 14,516,977 km (0.059 R)
• M14: 15,370,284 km (0.075 R)
• M15: 17,554,413 km (0.076 R)
• M16: 18,853,520 km (0.113 R)
• M17: 19,526,711 km (0.065 R)
• M18: 19,938,255 km (0.102 R)
• M19: 22,306,389 km (0.093 R)
• M20: 22,756,230 km (0.12 R)
• M21: 23,985,775 km (0.102 R)
• M22: 26,077,302 km (0.112 R)
• M23: 31,083,745 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.4

Radius: 8.1

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.11 AU - 6.45 AU

Year: 7834 Days

Day: 9 Hours

Environment

Temp: -208 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,656,712 km

• M1: 100,829 km (0.112 R)
• M2: 582,833 km (0.081 R)
• M3: 861,235 km (0.07 R)
• M4: 1,583,194 km (0.055 R)
• M5: 2,100,803 km (0.107 R)
• M6: 2,919,253 km (0.094 R)
• M7: 4,584,576 km (0.096 R)
• M8: 5,012,576 km (0.05 R)
• M9: 6,095,365 km (0.09 R)
• M10: 6,427,323 km (0.104 R)
• M11: 6,739,384 km (0.039 R)
• M12: 8,454,673 km (0.069 R)
• M13: 10,570,885 km (0.03 R)
• M14: 12,577,591 km (0.062 R)
• M15: 13,316,155 km (0.088 R)
• M16: 13,824,489 km (0.104 R)
• M17: 20,232,962 km (0.103 R)
• M18: 21,314,854 km (0.086 R)
• M19: 22,720,925 km (0.12 R)
• M20: 23,300,317 km (0.046 R)
• M21: 25,794,712 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.4

Radius: 12

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.46 AU - 6.44 AU

Year: 8215 Days

Day: 11.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,656,712 km

• M1: 149,299 km (0.092 R)
• M2: 548,875 km (0.1 R)
• M3: 1,733,241 km (0.107 R)
• M4: 2,194,601 km (0.101 R)
• M5: 2,819,770 km (0.101 R)
• M6: 3,231,613 km (0.049 R)
• M7: 4,716,372 km (0.119 R)
• M8: 5,332,865 km (0.105 R)
• M9: 7,110,985 km (0.115 R)
• M10: 8,886,263 km (0.103 R)
• M11: 9,396,392 km (0.096 R)
• M12: 10,526,454 km (0.115 R)
• M13: 13,899,737 km (0.117 R)
• M14: 15,830,746 km (0.094 R)
• M15: 16,512,463 km (0.106 R)
• M16: 17,284,837 km (0.106 R)
• M17: 18,675,499 km (0.063 R)
• M18: 21,595,799 km (0.086 R)
• M19: 30,255,122 km (0.096 R)
• M20: 31,093,319 km (0.093 R)
• M21: 33,589,360 km (0.047 R)
• M22: 35,866,090 km (0.055 R)
• M23: 39,595,415 km (0.082 R)
• M24: 40,598,169 km (0.074 R)
• M25: 42,263,792 km (0.091 R)
• M26: 43,179,331 km (0.089 R)
• M27: 44,108,035 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.8

Radius: 10.9

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.82 AU - 6.66 AU

Year: 8879 Days

Day: 9.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,656,712 km

• M1: 137,181 km (0.118 R)
• M2: 777,161 km (0.119 R)
• M3: 1,297,313 km (0.105 R)
• M4: 1,738,327 km (0.097 R)
• M5: 2,694,407 km (0.055 R)
• M6: 3,252,108 km (0.086 R)
• M7: 3,843,768 km (0.094 R)
• M8: 4,209,983 km (0.034 R)
• M9: 5,972,097 km (0.093 R)
• M10: 7,272,551 km (0.055 R)
• M11: 9,124,573 km (0.027 R)
• M12: 10,970,909 km (0.104 R)
• M13: 11,534,893 km (0.112 R)
• M14: 16,824,375 km (0.088 R)
• M15: 18,895,857 km (0.12 R)
• M16: 20,540,984 km (0.062 R)
• M17: 22,486,355 km (0.101 R)
• M18: 23,468,016 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.3

Radius: 11

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.43 AU - 6.13 AU

Year: 8972 Days

Day: 8 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,656,712 km

• M1: 136,732 km (0.053 R)
• M2: 504,594 km (0.092 R)
• M3: 1,260,362 km (0.115 R)
• M4: 1,651,710 km (0.1 R)
• M5: 2,570,839 km (0.075 R)
• M6: 3,323,765 km (0.071 R)
• M7: 5,202,715 km (0.097 R)
• M8: 5,850,174 km (0.067 R)
• M9: 6,193,501 km (0.067 R)
• M10: 6,733,999 km (0.062 R)
• M11: 7,266,567 km (0.107 R)
• M12: 10,765,063 km (0.076 R)
• M13: 11,870,890 km (0.08 R)
• M14: 12,649,248 km (0.108 R)
• M15: 14,307,540 km (0.095 R)
• M16: 15,253,448 km (0.068 R)
• M17: 15,774,647 km (0.119 R)
• M18: 17,129,854 km (0.045 R)
• M19: 19,155,409 km (0.051 R)
• M20: 25,178,967 km (0.051 R)
• M21: 25,632,698 km (0.103 R)
• M22: 36,007,011 km (0.032 R)
• M23: 38,707,851 km (0.109 R)
• M24: 41,038,735 km (0.079 R)
• M25: 41,415,123 km (0.043 R)

Asteroid Belt

Center: 6.75 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216

Radius: 6.1

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.64 AU - 7.8 AU

Year: 13850 Days

Day: 24.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,656,712 km

• M1: 78,838 km (0.107 R)
• M2: 524,490 km (0.115 R)
• M3: 770,728 km (0.101 R)
• M4: 1,516,773 km (0.087 R)
• M5: 1,901,389 km (0.071 R)
• M6: 7,767,869 km (0.11 R)
• M7: 8,555,801 km (0.074 R)
• M8: 11,708,128 km (0.098 R)
• M9: 12,854,197 km (0.119 R)
• M10: 18,836,915 km (0.063 R)
• M11: 20,329,154 km (0.109 R)
• M12: 21,104,071 km (0.081 R)
• M13: 21,979,069 km (0.112 R)
• M14: 26,171,998 km (0.117 R)
• M15: 30,066,180 km (0.064 R)
• M16: 31,891,424 km (0.108 R)
• M17: 32,306,857 km (0.082 R)
• M18: 35,427,469 km (0.104 R)
• M19: 37,462,149 km (0.089 R)
• M20: 38,391,002 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.8

Radius: 5

Gravity: 33.99 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.32 AU - 8.28 AU

Year: 14066 Days

Day: 23.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,656,712 km

• M1: 62,233 km (0.108 R)
• M2: 235,617 km (0.097 R)
• M3: 408,402 km (0.06 R)
• M4: 731,384 km (0.107 R)
• M5: 966,402 km (0.099 R)
• M6: 1,687,015 km (0.086 R)
• M7: 1,913,058 km (0.068 R)
• M8: 2,646,087 km (0.114 R)
• M9: 3,001,232 km (0.104 R)
• M10: 3,495,803 km (0.063 R)
• M11: 4,514,116 km (0.06 R)
• M12: 6,349,532 km (0.098 R)
• M13: 7,028,706 km (0.115 R)
• M14: 7,431,424 km (0.106 R)
• M15: 8,381,221 km (0.049 R)
• M16: 9,409,257 km (0.082 R)
• M17: 10,120,894 km (0.113 R)
• M18: 10,634,165 km (0.084 R)
• M19: 10,809,045 km (0.12 R)
• M20: 14,014,628 km (0.12 R)
• M21: 14,941,237 km (0.119 R)
• M22: 15,832,391 km (0.107 R)
• M23: 19,230,058 km (0.084 R)
• M24: 20,372,836 km (0.109 R)
• M25: 25,710,488 km (0.07 R)
• M26: 27,531,543 km (0.11 R)
• M27: 28,867,752 km (0.081 R)
• M28: 30,833,767 km (0.068 R)
• M29: 32,030,849 km (0.116 R)
• M30: 32,763,878 km (0.105 R)
• M31: 43,484,062 km (0.084 R)
• M32: 49,545,468 km (0.114 R)
• M33: 50,525,334 km (0.091 R)
• M34: 53,031,398 km (0.033 R)
• M35: 59,564,487 km (0.12 R)
• M36: 62,548,515 km (0.073 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 16,814 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit