🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

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: 777.6

Radius: 12.1

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.9 AU - 1.2 AU

Year: 717 Days

Day: 13.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 74 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,888,572 km

• M1: 150,495 km (0.093 R)
• M2: 526,884 km (0.095 R)
• M3: 965,505 km (0.034 R)
• M4: 1,350,121 km (0.109 R)
• M5: 1,746,406 km (0.043 R)
• M6: 2,231,551 km (0.117 R)
• M7: 2,622,750 km (0.072 R)
• M8: 3,022,924 km (0.11 R)
• M9: 4,477,614 km (0.072 R)
• M10: 5,323,590 km (0.109 R)
• M11: 5,794,674 km (0.07 R)
• M12: 6,314,227 km (0.089 R)
• M13: 6,952,112 km (0.115 R)
• M14: 7,845,062 km (0.111 R)
• M15: 8,232,969 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.7

Radius: 14

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.88 AU - 1.38 AU

Year: 801 Days

Day: 10.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,888,572 km

• M1: 174,282 km (0.073 R)
• M2: 777,011 km (0.107 R)
• M3: 1,251,386 km (0.111 R)
• M4: 1,975,889 km (0.091 R)
• M5: 2,759,632 km (0.112 R)
• M6: 3,585,711 km (0.063 R)
• M7: 4,617,338 km (0.049 R)
• M8: 6,189,163 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.4

Radius: 9.8

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.66 AU - 1.74 AU

Year: 1478 Days

Day: 10.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,888,572 km

• M1: 122,371 km (0.062 R)
• M2: 519,254 km (0.064 R)
• M3: 823,985 km (0.108 R)
• M4: 1,576,462 km (0.069 R)
• M5: 1,986,211 km (0.038 R)
• M6: 2,466,570 km (0.046 R)
• M7: 2,980,588 km (0.067 R)
• M8: 3,316,286 km (0.104 R)
• M9: 4,404,760 km (0.084 R)
• M10: 5,163,520 km (0.093 R)
• M11: 5,939,035 km (0.097 R)
• M12: 6,864,747 km (0.116 R)
• M13: 7,375,325 km (0.064 R)
• M14: 9,120,683 km (0.058 R)
• M15: 10,187,017 km (0.101 R)
• M16: 10,515,833 km (0.085 R)
• M17: 11,975,459 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.9

Radius: 9.5

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.68 AU - 1.86 AU

Year: 1570 Days

Day: 7.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,888,572 km

• M1: 118,631 km (0.052 R)
• M2: 425,157 km (0.106 R)
• M3: 766,839 km (0.096 R)
• M4: 1,441,226 km (0.116 R)
• M5: 2,307,547 km (0.103 R)
• M6: 2,736,444 km (0.072 R)
• M7: 3,295,791 km (0.088 R)
• M8: 3,653,479 km (0.102 R)
• M9: 4,000,845 km (0.117 R)
• M10: 4,332,504 km (0.108 R)
• M11: 5,731,992 km (0.042 R)
• M12: 7,222,136 km (0.065 R)
• M13: 8,378,977 km (0.104 R)
• M14: 9,396,242 km (0.114 R)
• M15: 10,152,609 km (0.071 R)
• M16: 10,949,068 km (0.066 R)
• M17: 11,861,316 km (0.029 R)
• M18: 12,355,288 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.7

Radius: 9.5

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.89 AU - 2.47 AU

Year: 2146 Days

Day: 13.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,888,572 km

• M1: 118,182 km (0.108 R)
• M2: 469,887 km (0.087 R)
• M3: 1,305,092 km (0.1 R)
• M4: 1,699,133 km (0.073 R)
• M5: 2,276,431 km (0.101 R)
• M6: 4,014,758 km (0.075 R)
• M7: 4,812,863 km (0.082 R)
• M8: 5,539,310 km (0.032 R)
• M9: 6,071,729 km (0.112 R)
• M10: 6,834,379 km (0.114 R)
• M11: 8,549,668 km (0.077 R)
• M12: 9,471,789 km (0.034 R)
• M13: 11,154,017 km (0.099 R)
• M14: 11,674,917 km (0.112 R)
• M15: 12,423,056 km (0.071 R)
• M16: 13,026,683 km (0.112 R)
• M17: 13,831,370 km (0.04 R)
• M18: 14,621,397 km (0.119 R)
• M19: 15,245,669 km (0.086 R)
• M20: 15,837,478 km (0.118 R)
• M21: 16,240,494 km (0.077 R)
• M22: 18,249,295 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.7

Radius: 14.9

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.28 AU - 3.4 AU

Year: 4071 Days

Day: 9.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,888,572 km

• M1: 185,352 km (0.065 R)
• M2: 670,797 km (0.049 R)
• M3: 1,247,197 km (0.061 R)
• M4: 1,909,018 km (0.113 R)
• M5: 2,748,412 km (0.054 R)
• M6: 3,505,527 km (0.11 R)
• M7: 4,398,626 km (0.106 R)
• M8: 5,495,029 km (0.117 R)
• M9: 6,078,012 km (0.108 R)
• M10: 7,507,569 km (0.106 R)
• M11: 8,079,781 km (0.097 R)
• M12: 9,931,354 km (0.084 R)
• M13: 10,889,229 km (0.038 R)
• M14: 12,196,714 km (0.115 R)
• M15: 12,888,455 km (0.078 R)
• M16: 14,678,244 km (0.082 R)
• M17: 16,688,390 km (0.077 R)
• M18: 19,402,245 km (0.069 R)
• M19: 21,462,059 km (0.116 R)
• M20: 24,352,888 km (0.029 R)
• M21: 26,255,922 km (0.036 R)
• M22: 27,410,818 km (0.092 R)
• M23: 27,916,010 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914

Radius: 6.8

Gravity: 19.77 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.93 AU - 6.49 AU

Year: 10320 Days

Day: 20.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,888,572 km

• M1: 85,420 km (0.116 R)
• M2: 313,258 km (0.054 R)
• M3: 634,295 km (0.103 R)
• M4: 1,494,184 km (0.103 R)
• M5: 2,035,728 km (0.098 R)
• M6: 2,787,906 km (0.051 R)
• M7: 3,400,509 km (0.106 R)
• M8: 4,156,876 km (0.111 R)
• M9: 5,390,310 km (0.036 R)
• M10: 5,923,926 km (0.115 R)
• M11: 6,222,823 km (0.083 R)
• M12: 6,769,752 km (0.109 R)
• M13: 7,055,036 km (0.082 R)
• M14: 7,562,920 km (0.1 R)
• M15: 7,959,504 km (0.082 R)
• M16: 9,036,160 km (0.094 R)
• M17: 10,911,519 km (0.103 R)
• M18: 11,940,154 km (0.048 R)
• M19: 13,346,823 km (0.069 R)
• M20: 14,928,820 km (0.106 R)
• M21: 15,552,943 km (0.062 R)
• M22: 19,423,040 km (0.069 R)
• M23: 20,083,215 km (0.09 R)
• M24: 22,153,500 km (0.073 R)
• M25: 23,890,182 km (0.07 R)
• M26: 26,211,193 km (0.073 R)
• M27: 26,511,435 km (0.114 R)
• M28: 37,001,089 km (0.054 R)
• M29: 38,528,483 km (0.088 R)
• M30: 39,569,684 km (0.089 R)
• M31: 41,844,619 km (0.047 R)
• M32: 53,245,473 km (0.11 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 16,494 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit