🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.5

Radius: 14.3

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.47 AU - 0.55 AU

Year: 251 Days

Day: 5.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 45,129,672 km

• M1: 178,021 km (0.078 R)
• M2: 640,877 km (0.077 R)
• M3: 1,124,378 km (0.104 R)
• M4: 2,352,127 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.7

Radius: 9.6

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.77 AU - 0.85 AU

Year: 503 Days

Day: 7.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,129,672 km

• M1: 119,379 km (0.055 R)
• M2: 608,115 km (0.049 R)
• M3: 955,332 km (0.095 R)
• M4: 1,373,608 km (0.073 R)
• M5: 1,713,344 km (0.082 R)
• M6: 2,161,091 km (0.064 R)
• M7: 2,586,098 km (0.04 R)
• M8: 2,978,793 km (0.097 R)
• M9: 3,434,767 km (0.119 R)
• M10: 3,832,697 km (0.112 R)
• M11: 4,219,857 km (0.047 R)
• M12: 5,408,711 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.6

Radius: 12.9

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.7 AU - 1.04 AU

Year: 560 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,129,672 km

• M1: 160,369 km (0.08 R)
• M2: 569,968 km (0.077 R)
• M3: 1,057,208 km (0.081 R)
• M4: 1,766,152 km (0.092 R)
• M5: 2,359,308 km (0.029 R)
• M6: 3,031,750 km (0.105 R)
• M7: 3,710,476 km (0.086 R)
• M8: 4,111,697 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.7

Radius: 10

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.76 AU - 1.82 AU

Year: 1653 Days

Day: 5.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,129,672 km

• M1: 124,316 km (0.089 R)
• M2: 475,272 km (0.098 R)
• M3: 815,159 km (0.118 R)
• M4: 1,205,759 km (0.092 R)
• M5: 1,595,012 km (0.098 R)
• M6: 2,026,004 km (0.117 R)
• M7: 2,344,199 km (0.069 R)
• M8: 2,865,098 km (0.08 R)
• M9: 3,507,322 km (0.116 R)
• M10: 4,546,279 km (0.115 R)
• M11: 5,097,547 km (0.118 R)
• M12: 5,650,461 km (0.114 R)
• M13: 5,996,631 km (0.098 R)
• M14: 6,827,796 km (0.107 R)
• M15: 7,271,205 km (0.083 R)
• M16: 7,733,911 km (0.073 R)
• M17: 8,604,720 km (0.066 R)
• M18: 9,064,135 km (0.087 R)
• M19: 10,157,695 km (0.077 R)
• M20: 10,540,965 km (0.081 R)
• M21: 11,302,867 km (0.105 R)
• M22: 11,645,446 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.6

Radius: 13.2

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.01 AU - 2.19 AU

Year: 2101 Days

Day: 11.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,129,672 km

• M1: 164,857 km (0.119 R)
• M2: 575,653 km (0.107 R)
• M3: 1,354,010 km (0.064 R)
• M4: 1,813,725 km (0.093 R)
• M5: 2,315,925 km (0.068 R)
• M6: 2,809,598 km (0.044 R)
• M7: 3,229,818 km (0.092 R)
• M8: 3,657,668 km (0.087 R)
• M9: 4,609,260 km (0.102 R)
• M10: 5,308,780 km (0.046 R)
• M11: 6,078,161 km (0.103 R)
• M12: 9,450,546 km (0.071 R)
• M13: 9,988,201 km (0.063 R)
• M14: 10,796,628 km (0.079 R)
• M15: 12,385,357 km (0.069 R)
• M16: 12,826,073 km (0.108 R)
• M17: 14,255,032 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.8

Radius: 10.6

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.06 AU - 4.46 AU

Year: 5033 Days

Day: 12.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,129,672 km

• M1: 132,843 km (0.06 R)
• M2: 489,335 km (0.09 R)
• M3: 820,993 km (0.105 R)
• M4: 1,211,593 km (0.087 R)
• M5: 1,727,107 km (0.104 R)
• M6: 2,198,939 km (0.095 R)
• M7: 3,029,806 km (0.117 R)
• M8: 4,366,612 km (0.101 R)
• M9: 4,742,253 km (0.112 R)
• M10: 5,530,334 km (0.114 R)
• M11: 6,692,261 km (0.092 R)
• M12: 7,193,264 km (0.107 R)
• M13: 7,973,267 km (0.106 R)
• M14: 10,040,710 km (0.1 R)
• M15: 12,050,408 km (0.081 R)
• M16: 13,883,730 km (0.116 R)
• M17: 15,954,463 km (0.075 R)
• M18: 18,223,265 km (0.059 R)
• M19: 20,559,983 km (0.114 R)
• M20: 21,405,211 km (0.081 R)
• M21: 24,546,617 km (0.065 R)
• M22: 26,720,872 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907

Radius: 8.5

Gravity: 12.55 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.67 AU - 5.77 AU

Year: 7078 Days

Day: 11 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,129,672 km

• M1: 110,553 km (0.057 R)
• M2: 486,343 km (0.069 R)
• M3: 847,023 km (0.115 R)
• M4: 1,277,267 km (0.08 R)
• M5: 1,617,901 km (0.09 R)
• M6: 2,133,415 km (0.097 R)
• M7: 2,656,110 km (0.069 R)
• M8: 3,021,877 km (0.104 R)
• M9: 3,467,529 km (0.101 R)
• M10: 3,981,996 km (0.093 R)
• M11: 4,892,299 km (0.072 R)
• M12: 7,909,539 km (0.104 R)
• M13: 8,453,925 km (0.091 R)
• M14: 8,845,124 km (0.108 R)
• M15: 10,433,404 km (0.109 R)
• M16: 12,093,941 km (0.088 R)
• M17: 14,592,973 km (0.103 R)
• M18: 15,093,228 km (0.101 R)
• M19: 18,122,884 km (0.09 R)
• M20: 20,742,942 km (0.093 R)
• M21: 22,184,167 km (0.048 R)
• M22: 25,986,048 km (0.064 R)
• M23: 29,502,046 km (0.102 R)
• M24: 29,900,126 km (0.111 R)
• M25: 34,961,471 km (0.041 R)
• M26: 39,352,169 km (0.111 R)
• M27: 39,834,771 km (0.053 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.5

Radius: 10.4

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.1 AU - 6.08 AU

Year: 7927 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,129,672 km

• M1: 129,701 km (0.066 R)
• M2: 805,285 km (0.063 R)
• M3: 1,479,523 km (0.113 R)
• M4: 1,804,898 km (0.106 R)
• M5: 2,532,692 km (0.107 R)
• M6: 2,886,192 km (0.105 R)
• M7: 3,467,828 km (0.091 R)
• M8: 4,921,321 km (0.056 R)
• M9: 5,752,936 km (0.099 R)
• M10: 6,335,470 km (0.108 R)
• M11: 6,815,230 km (0.084 R)
• M12: 8,605,767 km (0.083 R)
• M13: 10,882,348 km (0.082 R)
• M14: 11,773,801 km (0.09 R)
• M15: 13,645,719 km (0.107 R)
• M16: 15,401,550 km (0.06 R)
• M17: 16,846,216 km (0.083 R)
• M18: 20,075,735 km (0.099 R)
• M19: 20,887,304 km (0.093 R)
• M20: 21,491,230 km (0.046 R)
• M21: 22,654,653 km (0.108 R)
• M22: 25,703,757 km (0.089 R)
• M23: 28,830,202 km (0.083 R)
• M24: 32,101,758 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.2

Radius: 4.4

Gravity: 35.55 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 7.2 AU - 9 AU

Year: 15913 Days

Day: 19.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 45,129,672 km

• M1: 55,501 km (0.082 R)
• M2: 288,873 km (0.12 R)
• M3: 577,747 km (0.112 R)
• M4: 779,704 km (0.08 R)
• M5: 925,113 km (0.082 R)
• M6: 1,313,170 km (0.081 R)
• M7: 1,520,962 km (0.083 R)
• M8: 2,693,061 km (0.108 R)
• M9: 5,700,277 km (0.088 R)
• M10: 5,972,695 km (0.114 R)
• M11: 6,294,779 km (0.092 R)
• M12: 6,585,897 km (0.073 R)
• M13: 7,239,939 km (0.057 R)
• M14: 7,652,679 km (0.061 R)
• M15: 8,178,067 km (0.036 R)
• M16: 8,325,570 km (0.117 R)
• M17: 10,292,483 km (0.099 R)
• M18: 10,522,116 km (0.106 R)
• M19: 12,162,456 km (0.116 R)
• M20: 12,613,943 km (0.062 R)
• M21: 13,210,838 km (0.108 R)
• M22: 13,965,709 km (0.081 R)
• M23: 17,516,714 km (0.107 R)
• M24: 20,251,213 km (0.11 R)
• M25: 21,908,010 km (0.068 R)
• M26: 30,605,480 km (0.061 R)
• M27: 35,057,663 km (0.114 R)
• M28: 35,317,065 km (0.101 R)
• M29: 36,234,549 km (0.063 R)
• M30: 38,943,617 km (0.105 R)
• M31: 39,641,341 km (0.106 R)
• M32: 42,076,047 km (0.025 R)
• M33: 43,553,774 km (0.108 R)
• M34: 43,703,522 km (0.1 R)
• M35: 44,154,410 km (0.091 R)
• M36: 44,305,504 km (0.034 R)
• M37: 48,034,380 km (0.1 R)
• M38: 52,304,053 km (0.12 R)
• M39: 54,530,817 km (0.096 R)
• M40: 65,237,687 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.5

Radius: 5.6

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.9 AU - 8.96 AU

Year: 18420 Days

Day: 20 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,129,672 km

• M1: 69,713 km (0.099 R)
• M2: 341,233 km (0.104 R)
• M3: 576,101 km (0.117 R)
• M4: 917,783 km (0.112 R)
• M5: 1,335,610 km (0.107 R)
• M6: 2,051,735 km (0.072 R)
• M7: 2,242,771 km (0.051 R)
• M8: 3,504,330 km (0.108 R)
• M9: 11,661,752 km (0.06 R)
• M10: 12,790,169 km (0.039 R)
• M11: 14,051,279 km (0.093 R)
• M12: 15,993,508 km (0.039 R)
• M13: 16,609,403 km (0.099 R)
• M14: 23,140,397 km (0.085 R)
• M15: 30,672,201 km (0.103 R)
• M16: 38,217,020 km (0.048 R)
• M17: 42,609,812 km (0.116 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 13,503 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit