🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.4

Radius: 14.8

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.62 AU - 0.72 AU

Year: 372 Days

Day: 10 Hours

Environment

Temp: -159 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,769,757 km

• M1: 186,249 km (0.118 R)
• M2: 733,478 km (0.058 R)
• M3: 1,302,100 km (0.1 R)
• M4: 1,860,399 km (0.092 R)
• M5: 2,323,554 km (0.037 R)
• M6: 2,834,281 km (0.03 R)
• M7: 3,718,853 km (0.109 R)
• M8: 4,410,893 km (0.071 R)
• M9: 5,187,905 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.5

Radius: 14

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.61 AU - 0.97 AU

Year: 476 Days

Day: 13.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,769,757 km

• M1: 174,132 km (0.043 R)
• M2: 688,599 km (0.082 R)
• M3: 1,268,889 km (0.097 R)
• M4: 1,824,196 km (0.064 R)
• M5: 2,460,137 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.4

Radius: 8.4

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.88 AU - 1.12 AU

Year: 678 Days

Day: 5.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,769,757 km

• M1: 104,868 km (0.089 R)
• M2: 367,861 km (0.081 R)
• M3: 631,901 km (0.046 R)
• M4: 1,172,847 km (0.067 R)
• M5: 1,484,460 km (0.112 R)
• M6: 2,092,725 km (0.108 R)
• M7: 4,019,545 km (0.054 R)
• M8: 4,474,323 km (0.081 R)
• M9: 4,737,914 km (0.094 R)
• M10: 5,539,310 km (0.085 R)
• M11: 5,843,742 km (0.112 R)
• M12: 6,466,966 km (0.101 R)
• M13: 6,804,908 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.4

Radius: 13.1

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.23 AU - 1.71 AU

Year: 1209 Days

Day: 13.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,769,757 km

• M1: 163,062 km (0.08 R)
• M2: 614,099 km (0.098 R)
• M3: 1,090,868 km (0.063 R)
• M4: 1,708,707 km (0.116 R)
• M5: 2,504,717 km (0.095 R)
• M6: 3,413,674 km (0.114 R)
• M7: 3,837,933 km (0.105 R)
• M8: 4,832,161 km (0.082 R)
• M9: 6,660,546 km (0.105 R)
• M10: 7,560,078 km (0.102 R)
• M11: 11,253,500 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.6

Radius: 9.1

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.89 AU - 2.41 AU

Year: 2138 Days

Day: 9.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,769,757 km

• M1: 121,922 km (0.088 R)
• M2: 512,373 km (0.055 R)
• M3: 817,253 km (0.045 R)
• M4: 1,401,582 km (0.113 R)
• M5: 1,901,539 km (0.068 R)
• M6: 2,516,386 km (0.077 R)
• M7: 2,960,542 km (0.05 R)
• M8: 3,456,309 km (0.12 R)
• M9: 4,411,641 km (0.089 R)
• M10: 5,580,300 km (0.071 R)
• M11: 7,107,694 km (0.039 R)
• M12: 7,790,608 km (0.054 R)
• M13: 9,188,002 km (0.111 R)
• M14: 9,553,619 km (0.116 R)
• M15: 10,781,967 km (0.079 R)
• M16: 12,431,433 km (0.076 R)
• M17: 15,512,850 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.3

Radius: 12.3

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.89 AU - 3.69 AU

Year: 4047 Days

Day: 14.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,769,757 km

• M1: 157,078 km (0.1 R)
• M2: 677,529 km (0.102 R)
• M3: 1,386,024 km (0.051 R)
• M4: 1,890,618 km (0.099 R)
• M5: 2,375,016 km (0.069 R)
• M6: 4,788,777 km (0.084 R)
• M7: 5,670,956 km (0.036 R)
• M8: 6,785,610 km (0.087 R)
• M9: 7,446,234 km (0.045 R)
• M10: 7,898,319 km (0.091 R)
• M11: 9,128,911 km (0.044 R)
• M12: 9,647,417 km (0.105 R)
• M13: 13,333,509 km (0.033 R)
• M14: 13,742,210 km (0.115 R)
• M15: 14,800,615 km (0.115 R)
• M16: 15,629,537 km (0.1 R)
• M17: 19,322,659 km (0.096 R)
• M18: 21,336,546 km (0.096 R)
• M19: 23,045,702 km (0.099 R)
• M20: 23,858,766 km (0.117 R)
• M21: 26,173,793 km (0.108 R)
• M22: 26,734,785 km (0.086 R)
• M23: 27,550,093 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.5

Radius: 3.4

Gravity: 76.43 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.16 AU - 7.22 AU

Year: 10445 Days

Day: 18.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 80.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 51,769,757 km

• M1: 42,336 km (0.105 R)
• M2: 258,056 km (0.08 R)
• M3: 670,049 km (0.12 R)
• M4: 891,005 km (0.107 R)
• M5: 1,110,465 km (0.063 R)
• M6: 1,258,716 km (0.062 R)
• M7: 1,462,618 km (0.07 R)
• M8: 1,610,421 km (0.086 R)
• M9: 2,042,161 km (0.057 R)
• M10: 2,246,212 km (0.065 R)
• M11: 2,383,094 km (0.086 R)
• M12: 2,895,317 km (0.067 R)
• M13: 3,660,809 km (0.087 R)
• M14: 3,990,374 km (0.117 R)
• M15: 7,246,072 km (0.098 R)
• M16: 7,373,380 km (0.099 R)
• M17: 8,307,319 km (0.104 R)
• M18: 9,671,353 km (0.115 R)
• M19: 9,825,887 km (0.103 R)
• M20: 11,065,455 km (0.091 R)
• M21: 11,291,049 km (0.094 R)
• M22: 12,526,877 km (0.106 R)
• M23: 13,335,453 km (0.036 R)
• M24: 19,333,430 km (0.099 R)
• M25: 19,825,907 km (0.089 R)
• M26: 24,260,137 km (0.111 R)
• M27: 29,527,179 km (0.106 R)
• M28: 30,731,292 km (0.026 R)
• M29: 32,310,597 km (0.101 R)
• M30: 33,353,892 km (0.089 R)
• M31: 34,539,156 km (0.075 R)
• M32: 39,693,252 km (0.109 R)
• M33: 41,023,626 km (0.083 R)
• M34: 41,699,958 km (0.115 R)
• M35: 42,521,250 km (0.089 R)
• M36: 42,935,786 km (0.084 R)
• M37: 52,120,197 km (0.106 R)
• M38: 52,436,447 km (0.11 R)
• M39: 52,754,044 km (0.108 R)

Asteroid Belt

Center: 7.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420

Radius: 7.7

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.9 AU - 9.08 AU

Year: 15318 Days

Day: 23.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,769,757 km

• M1: 96,939 km (0.075 R)
• M2: 356,492 km (0.1 R)
• M3: 647,759 km (0.096 R)
• M4: 890,107 km (0.114 R)
• M5: 1,399,638 km (0.084 R)
• M6: 2,036,925 km (0.083 R)
• M7: 2,431,564 km (0.112 R)
• M8: 4,097,785 km (0.075 R)
• M9: 5,285,143 km (0.068 R)
• M10: 7,135,370 km (0.111 R)
• M11: 8,046,869 km (0.084 R)
• M12: 9,082,685 km (0.113 R)
• M13: 10,257,926 km (0.07 R)
• M14: 11,133,223 km (0.06 R)
• M15: 12,538,246 km (0.074 R)
• M16: 12,969,387 km (0.107 R)
• M17: 14,322,351 km (0.119 R)
• M18: 14,861,651 km (0.116 R)
• M19: 17,155,285 km (0.063 R)
• M20: 17,610,213 km (0.101 R)
• M21: 20,341,421 km (0.102 R)
• M22: 22,073,315 km (0.062 R)
• M23: 23,714,105 km (0.084 R)
• M24: 28,802,228 km (0.113 R)
• M25: 31,543,160 km (0.084 R)
• M26: 34,693,392 km (0.025 R)
• M27: 35,543,108 km (0.044 R)
• M28: 38,561,993 km (0.097 R)
• M29: 39,604,989 km (0.04 R)
• M30: 40,666,835 km (0.112 R)
• M31: 51,717,629 km (0.094 R)
• M32: 52,032,683 km (0.031 R)
• M33: 52,666,678 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.3

Radius: 5.4

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.55 AU - 11.39 AU

Year: 21352 Days

Day: 19 Hours

Environment

Temp: -238 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,769,757 km

• M1: 67,169 km (0.119 R)
• M2: 330,312 km (0.115 R)
• M3: 539,151 km (0.114 R)
• M4: 1,925,175 km (0.085 R)
• M5: 2,283,911 km (0.114 R)
• M6: 2,479,435 km (0.067 R)
• M7: 2,664,936 km (0.098 R)
• M8: 4,036,151 km (0.091 R)
• M9: 5,001,805 km (0.068 R)
• M10: 8,118,377 km (0.094 R)
• M11: 9,293,618 km (0.081 R)
• M12: 9,591,767 km (0.072 R)
• M13: 10,685,776 km (0.111 R)
• M14: 13,812,222 km (0.118 R)
• M15: 15,203,332 km (0.074 R)
• M16: 15,756,994 km (0.053 R)
• M17: 18,572,127 km (0.098 R)
• M18: 18,886,582 km (0.06 R)
• M19: 26,242,159 km (0.094 R)
• M20: 28,159,106 km (0.045 R)
• M21: 31,040,960 km (0.093 R)
• M22: 33,762,444 km (0.116 R)
• M23: 34,585,233 km (0.094 R)
• M24: 38,644,720 km (0.109 R)
• M25: 40,327,397 km (0.058 R)
• M26: 41,253,408 km (0.103 R)
• M27: 46,818,299 km (0.061 R)
• M28: 49,177,458 km (0.068 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 19,140 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit