🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.2

Radius: 13.9

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.05 AU - 1.23 AU

Year: 840 Days

Day: 9.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,595,596 km

• M1: 172,935 km (0.045 R)
• M2: 678,726 km (0.081 R)
• M3: 1,631,514 km (0.056 R)
• M4: 2,174,854 km (0.117 R)
• M5: 2,721,036 km (0.097 R)
• M6: 3,318,530 km (0.048 R)
• M7: 3,779,141 km (0.089 R)
• M8: 4,493,322 km (0.117 R)
• M9: 5,351,714 km (0.089 R)
• M10: 5,810,531 km (0.068 R)
• M11: 6,506,011 km (0.058 R)
• M12: 7,007,463 km (0.09 R)
• M13: 8,566,423 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.2

Radius: 10.8

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.65 AU - 1.81 AU

Year: 1571 Days

Day: 11.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,595,596 km

• M1: 134,339 km (0.113 R)
• M2: 529,427 km (0.066 R)
• M3: 911,799 km (0.103 R)
• M4: 1,250,489 km (0.116 R)
• M5: 1,630,467 km (0.113 R)
• M6: 2,014,934 km (0.084 R)
• M7: 4,222,400 km (0.098 R)
• M8: 5,074,659 km (0.12 R)
• M9: 5,458,677 km (0.087 R)
• M10: 6,037,920 km (0.116 R)
• M11: 6,539,821 km (0.029 R)
• M12: 7,118,914 km (0.083 R)
• M13: 7,890,390 km (0.094 R)
• M14: 8,296,698 km (0.112 R)
• M15: 9,299,153 km (0.101 R)
• M16: 10,316,568 km (0.099 R)
• M17: 11,001,727 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.7

Radius: 11.3

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.35 AU - 2.19 AU

Year: 1625 Days

Day: 11.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,595,596 km

• M1: 140,472 km (0.066 R)
• M2: 552,016 km (0.117 R)
• M3: 1,120,488 km (0.115 R)
• M4: 1,758,074 km (0.116 R)
• M5: 2,183,680 km (0.115 R)
• M6: 2,744,822 km (0.109 R)
• M7: 3,463,640 km (0.08 R)
• M8: 4,050,811 km (0.102 R)
• M9: 4,862,080 km (0.116 R)
• M10: 5,688,459 km (0.101 R)
• M11: 6,242,121 km (0.113 R)
• M12: 8,092,946 km (0.086 R)
• M13: 8,526,630 km (0.047 R)
• M14: 10,019,916 km (0.072 R)
• M15: 10,385,383 km (0.071 R)
• M16: 11,284,766 km (0.113 R)
• M17: 11,826,759 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963

Radius: 8.8

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.9 AU - 2.64 AU

Year: 2361 Days

Day: 9.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,595,596 km

• M1: 111,450 km (0.07 R)
• M2: 387,907 km (0.101 R)
• M3: 862,731 km (0.087 R)
• M4: 1,424,920 km (0.111 R)
• M5: 1,754,185 km (0.117 R)
• M6: 3,044,765 km (0.085 R)
• M7: 3,339,772 km (0.114 R)
• M8: 3,615,930 km (0.045 R)
• M9: 4,214,770 km (0.096 R)
• M10: 5,186,409 km (0.103 R)
• M11: 5,868,724 km (0.118 R)
• M12: 6,245,412 km (0.088 R)
• M13: 7,137,015 km (0.099 R)
• M14: 10,476,638 km (0.106 R)
• M15: 11,316,929 km (0.089 R)
• M16: 13,729,793 km (0.1 R)
• M17: 14,012,234 km (0.094 R)
• M18: 15,533,944 km (0.076 R)
• M19: 17,271,523 km (0.091 R)
• M20: 19,665,687 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.7

Radius: 11.5

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.82 AU - 2.98 AU

Year: 2566 Days

Day: 13.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,595,596 km

• M1: 143,016 km (0.066 R)
• M2: 589,416 km (0.054 R)
• M3: 970,292 km (0.075 R)
• M4: 1,531,733 km (0.041 R)
• M5: 1,932,206 km (0.089 R)
• M6: 2,402,841 km (0.052 R)
• M7: 2,848,343 km (0.059 R)
• M8: 3,628,945 km (0.055 R)
• M9: 4,162,561 km (0.084 R)
• M10: 6,279,670 km (0.097 R)
• M11: 7,487,972 km (0.104 R)
• M12: 14,326,090 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.7

Radius: 13.9

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.57 AU - 3.71 AU

Year: 4794 Days

Day: 15 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,595,596 km

• M1: 173,234 km (0.101 R)
• M2: 611,406 km (0.057 R)
• M3: 1,177,485 km (0.065 R)
• M4: 1,616,704 km (0.057 R)
• M5: 2,153,461 km (0.109 R)
• M6: 2,808,999 km (0.063 R)
• M7: 3,324,663 km (0.11 R)
• M8: 4,253,815 km (0.088 R)
• M9: 4,806,131 km (0.111 R)
• M10: 5,377,894 km (0.077 R)
• M11: 6,400,096 km (0.112 R)
• M12: 6,857,118 km (0.091 R)
• M13: 7,548,110 km (0.107 R)
• M14: 8,361,474 km (0.108 R)
• M15: 12,662,113 km (0.062 R)
• M16: 13,757,319 km (0.111 R)
• M17: 16,497,204 km (0.086 R)
• M18: 17,931,399 km (0.095 R)
• M19: 18,910,517 km (0.081 R)
• M20: 19,650,877 km (0.066 R)
• M21: 20,340,822 km (0.101 R)
• M22: 22,358,449 km (0.108 R)
• M23: 24,113,232 km (0.096 R)
• M24: 24,744,685 km (0.05 R)
• M25: 26,788,939 km (0.097 R)
• M26: 28,241,984 km (0.064 R)
• M27: 29,837,146 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.6

Radius: 5.7

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.69 AU - 6.73 AU

Year: 10682 Days

Day: 22.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 32,595,596 km

• M1: 81,680 km (0.105 R)
• M2: 264,639 km (0.073 R)
• M3: 481,256 km (0.098 R)
• M4: 672,891 km (0.099 R)
• M5: 1,249,292 km (0.077 R)
• M6: 1,497,774 km (0.08 R)
• M7: 1,975,889 km (0.087 R)
• M8: 2,857,768 km (0.12 R)
• M9: 3,069,599 km (0.119 R)
• M10: 3,481,741 km (0.112 R)
• M11: 4,390,698 km (0.114 R)
• M12: 6,083,248 km (0.072 R)
• M13: 6,402,490 km (0.073 R)
• M14: 7,214,208 km (0.065 R)
• M15: 8,283,982 km (0.072 R)
• M16: 8,478,609 km (0.064 R)
• M17: 8,796,355 km (0.115 R)
• M18: 9,163,318 km (0.1 R)
• M19: 10,103,242 km (0.053 R)
• M20: 11,390,232 km (0.072 R)
• M21: 14,341,200 km (0.063 R)
• M22: 15,311,192 km (0.118 R)
• M23: 16,446,341 km (0.074 R)
• M24: 16,816,147 km (0.111 R)
• M25: 17,444,757 km (0.114 R)
• M26: 20,186,886 km (0.037 R)
• M27: 23,126,335 km (0.079 R)
• M28: 23,982,035 km (0.12 R)
• M29: 26,675,844 km (0.082 R)
• M30: 29,928,400 km (0.077 R)
• M31: 30,111,359 km (0.103 R)
• M32: 30,387,217 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.9

Radius: 3.7

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.46 AU - 7.2 AU

Year: 12321 Days

Day: 15.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,595,596 km

• M1: 69,713 km (0.112 R)
• M2: 255,513 km (0.076 R)
• M3: 693,835 km (0.054 R)
• M4: 916,137 km (0.036 R)
• M5: 1,514,529 km (0.11 R)
• M6: 1,804,001 km (0.068 R)
• M7: 1,976,786 km (0.037 R)
• M8: 3,851,996 km (0.058 R)
• M9: 4,139,223 km (0.109 R)
• M10: 4,891,850 km (0.099 R)
• M11: 6,105,687 km (0.103 R)
• M12: 6,266,356 km (0.051 R)
• M13: 7,397,914 km (0.054 R)
• M14: 12,656,429 km (0.109 R)
• M15: 13,668,309 km (0.034 R)
• M16: 14,447,564 km (0.102 R)
• M17: 18,859,953 km (0.119 R)
• M18: 24,736,457 km (0.078 R)
• M19: 27,254,039 km (0.058 R)
• M20: 29,569,814 km (0.057 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: 397 - 19,778 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit