🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.7

Radius: 12.8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.67 AU - 0.69 AU

Year: 387 Days

Day: 10.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,543,312 km

• M1: 159,172 km (0.046 R)
• M2: 1,094,757 km (0.084 R)
• M3: 1,547,291 km (0.04 R)
• M4: 2,022,713 km (0.11 R)
• M5: 2,484,671 km (0.102 R)
• M6: 2,921,946 km (0.115 R)
• M7: 3,389,738 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.4

Radius: 13.8

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.07 AU - 1.21 AU

Year: 840 Days

Day: 7.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,543,312 km

• M1: 171,589 km (0.058 R)
• M2: 672,742 km (0.07 R)
• M3: 1,256,024 km (0.103 R)
• M4: 1,862,793 km (0.046 R)
• M5: 2,376,213 km (0.11 R)
• M6: 2,945,732 km (0.098 R)
• M7: 3,679,958 km (0.081 R)
• M8: 4,196,819 km (0.07 R)
• M9: 4,655,486 km (0.111 R)
• M10: 5,319,700 km (0.1 R)
• M11: 5,776,572 km (0.1 R)
• M12: 7,141,204 km (0.115 R)
• M13: 7,575,187 km (0.085 R)
• M14: 8,259,298 km (0.113 R)
• M15: 9,519,810 km (0.081 R)
• M16: 10,016,774 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.5

Radius: 12.8

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.9 AU - 1.46 AU

Year: 885 Days

Day: 7.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,543,312 km

• M1: 159,172 km (0.028 R)
• M2: 640,129 km (0.064 R)
• M3: 1,596,359 km (0.085 R)
• M4: 2,010,745 km (0.058 R)
• M5: 2,673,912 km (0.11 R)
• M6: 3,887,899 km (0.113 R)
• M7: 4,992,081 km (0.107 R)
• M8: 5,422,025 km (0.046 R)
• M9: 5,876,653 km (0.09 R)
• M10: 6,295,378 km (0.103 R)
• M11: 6,906,485 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.2

Radius: 12.3

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.96 AU - 1.56 AU

Year: 976 Days

Day: 8.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,543,312 km

• M1: 153,039 km (0.057 R)
• M2: 545,284 km (0.095 R)
• M3: 975,977 km (0.079 R)
• M4: 1,436,888 km (0.093 R)
• M5: 2,119,951 km (0.048 R)
• M6: 2,677,652 km (0.115 R)
• M7: 3,187,631 km (0.051 R)
• M8: 3,776,598 km (0.088 R)
• M9: 4,356,440 km (0.085 R)
• M10: 5,319,251 km (0.092 R)
• M11: 5,910,313 km (0.095 R)
• M12: 6,376,908 km (0.07 R)
• M13: 6,934,011 km (0.12 R)
• M14: 8,495,214 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.4

Radius: 10.2

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.55 AU - 1.63 AU

Year: 1384 Days

Day: 12.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,543,312 km

• M1: 127,009 km (0.113 R)
• M2: 574,456 km (0.045 R)
• M3: 1,055,114 km (0.117 R)
• M4: 1,497,774 km (0.115 R)
• M5: 2,022,713 km (0.074 R)
• M6: 2,345,545 km (0.097 R)
• M7: 3,385,849 km (0.084 R)
• M8: 4,464,449 km (0.103 R)
• M9: 4,925,659 km (0.1 R)
• M10: 5,360,092 km (0.077 R)
• M11: 7,096,923 km (0.105 R)
• M12: 7,578,030 km (0.069 R)
• M13: 8,392,889 km (0.07 R)
• M14: 8,794,560 km (0.108 R)
• M15: 9,435,287 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 8.4

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.71 AU - 2.47 AU

Year: 2086 Days

Day: 13.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,543,312 km

• M1: 104,569 km (0.079 R)
• M2: 468,840 km (0.093 R)
• M3: 777,161 km (0.097 R)
• M4: 1,090,120 km (0.062 R)
• M5: 1,532,780 km (0.079 R)
• M6: 3,259,289 km (0.03 R)
• M7: 3,560,280 km (0.09 R)
• M8: 3,879,821 km (0.119 R)
• M9: 4,236,911 km (0.073 R)
• M10: 4,753,772 km (0.1 R)
• M11: 5,730,346 km (0.089 R)
• M12: 6,099,704 km (0.098 R)
• M13: 6,608,486 km (0.037 R)
• M14: 9,364,976 km (0.088 R)
• M15: 10,308,789 km (0.066 R)
• M16: 10,751,898 km (0.087 R)
• M17: 12,308,614 km (0.062 R)
• M18: 13,480,115 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.1

Radius: 9.9

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.77 AU - 2.53 AU

Year: 2176 Days

Day: 9.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 117.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,543,312 km

• M1: 126,560 km (0.073 R)
• M2: 436,227 km (0.083 R)
• M3: 852,558 km (0.099 R)
• M4: 1,195,736 km (0.104 R)
• M5: 1,958,087 km (0.062 R)
• M6: 2,380,102 km (0.096 R)
• M7: 2,772,497 km (0.102 R)
• M8: 3,191,820 km (0.053 R)
• M9: 3,707,035 km (0.119 R)
• M10: 4,562,436 km (0.077 R)
• M11: 5,081,540 km (0.111 R)
• M12: 5,591,819 km (0.092 R)
• M13: 6,420,741 km (0.103 R)
• M14: 7,073,586 km (0.119 R)
• M15: 8,511,670 km (0.075 R)
• M16: 9,065,033 km (0.047 R)
• M17: 9,572,917 km (0.119 R)
• M18: 11,365,549 km (0.118 R)
• M19: 11,717,702 km (0.115 R)
• M20: 12,986,741 km (0.101 R)
• M21: 14,481,373 km (0.113 R)
• M22: 15,747,569 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.3

Radius: 5.7

Gravity: 28.79 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.41 AU - 8.09 AU

Year: 12105 Days

Day: 24.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,543,312 km

• M1: 70,909 km (0.056 R)
• M2: 322,683 km (0.104 R)
• M3: 776,563 km (0.09 R)
• M4: 958,025 km (0.095 R)
• M5: 1,603,988 km (0.104 R)
• M6: 2,161,091 km (0.083 R)
• M7: 2,359,308 km (0.083 R)
• M8: 2,909,080 km (0.091 R)
• M9: 4,048,866 km (0.075 R)
• M10: 4,508,581 km (0.119 R)
• M11: 4,800,745 km (0.058 R)
• M12: 5,716,284 km (0.12 R)
• M13: 6,910,973 km (0.096 R)
• M14: 7,748,422 km (0.111 R)
• M15: 8,504,639 km (0.074 R)
• M16: 9,676,439 km (0.092 R)
• M17: 10,273,185 km (0.118 R)
• M18: 10,496,086 km (0.072 R)
• M19: 11,420,601 km (0.119 R)
• M20: 14,103,788 km (0.106 R)
• M21: 15,737,846 km (0.068 R)
• M22: 17,493,975 km (0.093 R)
• M23: 24,716,111 km (0.074 R)
• M24: 26,034,368 km (0.119 R)
• M25: 30,383,477 km (0.106 R)
• M26: 31,541,813 km (0.118 R)
• M27: 35,446,019 km (0.107 R)
• M28: 43,466,409 km (0.114 R)
• M29: 48,753,198 km (0.076 R)
• M30: 56,159,041 km (0.052 R)
• M31: 57,025,512 km (0.047 R)
• M32: 58,784,932 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.2

Radius: 3

Gravity: 25.58 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 7.89 AU - 8.71 AU

Year: 16505 Days

Day: 20 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 46,543,312 km

• M1: 37,549 km (0.106 R)
• M2: 403,765 km (0.118 R)
• M3: 625,618 km (0.115 R)
• M4: 721,211 km (0.102 R)
• M5: 1,171,501 km (0.088 R)
• M6: 1,477,129 km (0.1 R)
• M7: 1,849,030 km (0.104 R)
• M8: 2,354,970 km (0.109 R)
• M9: 3,812,801 km (0.108 R)
• M10: 4,025,978 km (0.115 R)
• M11: 5,245,051 km (0.085 R)
• M12: 6,206,367 km (0.075 R)
• M13: 7,039,627 km (0.072 R)
• M14: 8,786,631 km (0.062 R)
• M15: 9,833,517 km (0.077 R)
• M16: 10,438,341 km (0.108 R)
• M17: 14,660,292 km (0.113 R)
• M18: 14,919,844 km (0.074 R)
• M19: 16,057,387 km (0.092 R)
• M20: 16,402,509 km (0.055 R)
• M21: 16,752,718 km (0.114 R)
• M22: 17,467,945 km (0.065 R)
• M23: 18,128,868 km (0.08 R)
• M24: 18,882,692 km (0.09 R)
• M25: 22,022,003 km (0.068 R)
• M26: 22,533,927 km (0.117 R)
• M27: 24,388,193 km (0.116 R)
• M28: 26,341,492 km (0.052 R)
• M29: 26,628,870 km (0.078 R)
• M30: 27,997,242 km (0.102 R)
• M31: 28,396,668 km (0.11 R)
• M32: 28,698,706 km (0.115 R)
• M33: 36,725,380 km (0.115 R)
• M34: 38,541,348 km (0.06 R)
• M35: 40,543,267 km (0.086 R)
• M36: 41,440,555 km (0.057 R)
• M37: 42,089,511 km (0.049 R)
• M38: 42,351,008 km (0.102 R)
• M39: 43,942,579 km (0.077 R)
• M40: 46,403,913 km (0.103 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 11,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit