🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.3

Radius: 12.1

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.79 AU - 1.22 AU

Year: 678 Days

Day: 12 Hours

Environment

Temp: -184 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,895,763 km

• M1: 150,495 km (0.068 R)
• M2: 565,779 km (0.112 R)
• M3: 971,638 km (0.105 R)
• M4: 1,501,963 km (0.09 R)
• M5: 2,185,026 km (0.114 R)
• M6: 3,066,457 km (0.095 R)
• M7: 4,640,825 km (0.073 R)
• M8: 5,472,440 km (0.09 R)
• M9: 6,719,338 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.2

Radius: 8.8

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.15 AU - 1.45 AU

Year: 1005 Days

Day: 14.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 84.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,895,763 km

• M1: 143,614 km (0.114 R)
• M2: 483,650 km (0.088 R)
• M3: 1,140,385 km (0.102 R)
• M4: 1,892,862 km (0.047 R)
• M5: 2,486,616 km (0.087 R)
• M6: 2,930,622 km (0.107 R)
• M7: 3,850,200 km (0.111 R)
• M8: 4,223,896 km (0.074 R)
• M9: 4,621,826 km (0.074 R)
• M10: 5,452,992 km (0.102 R)
• M11: 6,537,128 km (0.092 R)
• M12: 7,733,612 km (0.115 R)
• M13: 8,708,541 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.8

Radius: 8.2

Gravity: 11.2 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.5 AU - 2.16 AU

Year: 1679 Days

Day: 12.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,895,763 km

• M1: 102,624 km (0.055 R)
• M2: 412,890 km (0.112 R)
• M3: 669,151 km (0.076 R)
• M4: 968,646 km (0.094 R)
• M5: 1,926,521 km (0.104 R)
• M6: 2,278,076 km (0.116 R)
• M7: 2,617,065 km (0.11 R)
• M8: 3,095,629 km (0.09 R)
• M9: 3,665,597 km (0.107 R)
• M10: 4,741,654 km (0.115 R)
• M11: 5,274,821 km (0.074 R)
• M12: 5,613,660 km (0.1 R)
• M13: 6,260,072 km (0.1 R)
• M14: 7,615,130 km (0.116 R)
• M15: 8,620,876 km (0.095 R)
• M16: 10,188,064 km (0.072 R)
• M17: 10,966,272 km (0.05 R)
• M18: 11,669,831 km (0.069 R)
• M19: 12,521,491 km (0.07 R)
• M20: 13,833,614 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.8

Radius: 8.5

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.11 AU - 2.51 AU

Year: 2381 Days

Day: 11.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,895,763 km

• M1: 106,214 km (0.03 R)
• M2: 375,341 km (0.07 R)
• M3: 712,834 km (0.113 R)
• M4: 1,183,768 km (0.069 R)
• M5: 1,646,773 km (0.048 R)
• M6: 1,982,022 km (0.104 R)
• M7: 3,085,157 km (0.119 R)
• M8: 3,351,142 km (0.115 R)
• M9: 5,004,348 km (0.106 R)
• M10: 5,621,589 km (0.057 R)
• M11: 6,874,920 km (0.107 R)
• M12: 7,276,590 km (0.086 R)
• M13: 8,364,915 km (0.083 R)
• M14: 9,233,629 km (0.09 R)
• M15: 9,856,555 km (0.081 R)
• M16: 10,507,156 km (0.101 R)
• M17: 10,896,709 km (0.056 R)
• M18: 13,773,027 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.6

Radius: 13.4

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.99 AU - 3.55 AU

Year: 4011 Days

Day: 10.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,895,763 km

• M1: 166,652 km (0.045 R)
• M2: 665,860 km (0.118 R)
• M3: 1,101,788 km (0.066 R)
• M4: 1,901,539 km (0.114 R)
• M5: 2,418,998 km (0.052 R)
• M6: 3,306,113 km (0.074 R)
• M7: 3,816,690 km (0.105 R)
• M8: 4,565,727 km (0.045 R)
• M9: 5,796,618 km (0.084 R)
• M10: 7,095,277 km (0.086 R)
• M11: 8,073,797 km (0.052 R)
• M12: 8,515,410 km (0.12 R)
• M13: 9,937,936 km (0.105 R)
• M14: 12,949,192 km (0.086 R)
• M15: 13,821,347 km (0.11 R)
• M16: 14,872,422 km (0.118 R)
• M17: 15,976,155 km (0.112 R)
• M18: 16,724,892 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.1

Radius: 11.5

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.48 AU - 4.16 AU

Year: 5064 Days

Day: 6.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,895,763 km

• M1: 143,016 km (0.03 R)
• M2: 840,291 km (0.088 R)
• M3: 1,276,219 km (0.048 R)
• M4: 1,762,712 km (0.107 R)
• M5: 2,178,145 km (0.031 R)
• M6: 2,899,207 km (0.119 R)
• M7: 3,267,816 km (0.034 R)
• M8: 3,858,727 km (0.101 R)
• M9: 4,306,773 km (0.106 R)
• M10: 4,764,543 km (0.117 R)
• M11: 5,864,237 km (0.119 R)
• M12: 6,930,570 km (0.058 R)
• M13: 7,873,336 km (0.119 R)
• M14: 9,169,601 km (0.101 R)
• M15: 10,819,516 km (0.101 R)
• M16: 11,899,912 km (0.068 R)
• M17: 14,698,888 km (0.088 R)
• M18: 15,573,138 km (0.075 R)
• M19: 19,034,683 km (0.119 R)
• M20: 20,007,219 km (0.102 R)
• M21: 21,701,266 km (0.113 R)
• M22: 25,450,188 km (0.117 R)
• M23: 25,996,370 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666

Radius: 12.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.36 AU - 4.92 AU

Year: 5713 Days

Day: 6.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,895,763 km

• M1: 150,495 km (0.05 R)
• M2: 583,731 km (0.089 R)
• M3: 1,216,979 km (0.105 R)
• M4: 1,681,630 km (0.05 R)
• M5: 3,297,735 km (0.103 R)
• M6: 4,674,036 km (0.087 R)
• M7: 5,190,298 km (0.085 R)
• M8: 7,250,710 km (0.118 R)
• M9: 11,996,702 km (0.094 R)
• M10: 12,863,173 km (0.037 R)
• M11: 13,445,707 km (0.095 R)
• M12: 13,825,536 km (0.115 R)
• M13: 15,241,181 km (0.12 R)
• M14: 16,135,626 km (0.063 R)
• M15: 18,425,072 km (0.058 R)
• M16: 20,137,220 km (0.085 R)
• M17: 21,360,631 km (0.089 R)
• M18: 22,178,184 km (0.073 R)
• M19: 28,319,027 km (0.099 R)
• M20: 29,670,194 km (0.113 R)
• M21: 31,347,785 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.2

Radius: 10.3

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.3 AU - 6.82 AU

Year: 8892 Days

Day: 5.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,895,763 km

• M1: 128,056 km (0.115 R)
• M2: 567,425 km (0.088 R)
• M3: 1,224,459 km (0.083 R)
• M4: 1,965,118 km (0.036 R)
• M5: 2,300,366 km (0.052 R)
• M6: 4,021,041 km (0.111 R)
• M7: 5,256,121 km (0.088 R)
• M8: 6,151,464 km (0.111 R)
• M9: 6,802,664 km (0.055 R)
• M10: 7,261,929 km (0.048 R)
• M11: 7,947,985 km (0.09 R)
• M12: 9,125,620 km (0.105 R)
• M13: 9,876,451 km (0.108 R)
• M14: 11,131,129 km (0.11 R)
• M15: 12,376,681 km (0.115 R)
• M16: 13,296,408 km (0.118 R)
• M17: 14,887,232 km (0.09 R)
• M18: 15,271,699 km (0.103 R)
• M19: 16,533,108 km (0.073 R)
• M20: 17,084,376 km (0.1 R)
• M21: 18,369,871 km (0.101 R)
• M22: 23,121,249 km (0.055 R)
• M23: 25,413,088 km (0.111 R)
• M24: 26,896,351 km (0.096 R)
• M25: 28,633,182 km (0.102 R)
• M26: 32,543,222 km (0.117 R)
• M27: 32,866,353 km (0.053 R)
• M28: 38,571,268 km (0.096 R)
• M29: 42,806,832 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.8

Radius: 6.4

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.7 AU - 9.1 AU

Year: 18008 Days

Day: 18.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 170.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,895,763 km

• M1: 79,736 km (0.095 R)
• M2: 524,041 km (0.104 R)
• M3: 765,044 km (0.107 R)
• M4: 1,229,994 km (0.072 R)
• M5: 1,436,588 km (0.03 R)
• M6: 2,105,141 km (0.094 R)
• M7: 2,424,533 km (0.079 R)
• M8: 3,947,439 km (0.062 R)
• M9: 4,434,230 km (0.113 R)
• M10: 4,791,470 km (0.1 R)
• M11: 5,345,282 km (0.118 R)
• M12: 6,415,953 km (0.032 R)
• M13: 7,307,706 km (0.031 R)
• M14: 8,671,590 km (0.117 R)
• M15: 10,533,485 km (0.113 R)
• M16: 11,228,816 km (0.059 R)
• M17: 13,298,802 km (0.063 R)
• M18: 13,768,539 km (0.115 R)
• M19: 14,388,473 km (0.1 R)
• M20: 17,690,397 km (0.074 R)
• M21: 19,688,576 km (0.067 R)
• M22: 20,742,044 km (0.077 R)
• M23: 21,925,064 km (0.085 R)
• M24: 22,485,906 km (0.04 R)
• M25: 25,743,250 km (0.092 R)
• M26: 27,430,266 km (0.069 R)
• M27: 29,189,537 km (0.084 R)
• M28: 31,610,928 km (0.101 R)
• M29: 35,938,794 km (0.098 R)
• M30: 36,718,349 km (0.096 R)
• M31: 41,491,568 km (0.096 R)
• M32: 42,782,597 km (0.1 R)
• M33: 48,529,699 km (0.117 R)
• M34: 51,096,050 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: 350 - 14,685 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit