🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138

Radius: 8.6

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.57 AU - 0.81 AU

Year: 389 Days

Day: 6.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,898,770 km

• M1: 106,962 km (0.097 R)
• M2: 381,624 km (0.112 R)
• M3: 657,333 km (0.056 R)
• M4: 939,624 km (0.114 R)
• M5: 1,745,508 km (0.06 R)
• M6: 2,167,075 km (0.083 R)
• M7: 2,788,355 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.9

Radius: 10.1

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.79 AU - 0.93 AU

Year: 541 Days

Day: 10.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,898,770 km

• M1: 127,009 km (0.117 R)
• M2: 465,698 km (0.067 R)
• M3: 827,127 km (0.12 R)
• M4: 1,145,321 km (0.118 R)
• M5: 1,472,342 km (0.118 R)
• M6: 1,967,212 km (0.093 R)
• M7: 2,356,466 km (0.117 R)
• M8: 3,292,500 km (0.106 R)
• M9: 3,809,061 km (0.117 R)
• M10: 4,247,682 km (0.053 R)
• M11: 4,636,487 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.8

Radius: 8.7

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.07 AU - 1.09 AU

Year: 761 Days

Day: 6.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,898,770 km

• M1: 108,159 km (0.074 R)
• M2: 433,983 km (0.107 R)
• M3: 726,148 km (0.119 R)
• M4: 1,376,600 km (0.049 R)
• M5: 1,686,566 km (0.118 R)
• M6: 2,340,758 km (0.101 R)
• M7: 3,568,657 km (0.094 R)
• M8: 4,764,842 km (0.119 R)
• M9: 5,069,573 km (0.099 R)
• M10: 5,425,616 km (0.084 R)
• M11: 6,208,910 km (0.082 R)
• M12: 6,529,648 km (0.072 R)
• M13: 7,368,144 km (0.059 R)
• M14: 8,639,277 km (0.103 R)
• M15: 9,258,163 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.6

Radius: 8.8

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.5 AU - 2.38 AU

Year: 1833 Days

Day: 9.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,898,770 km

• M1: 109,506 km (0.061 R)
• M2: 397,033 km (0.106 R)
• M3: 692,189 km (0.105 R)
• M4: 1,148,762 km (0.057 R)
• M5: 1,620,444 km (0.047 R)
• M6: 1,987,707 km (0.073 R)
• M7: 2,436,800 km (0.07 R)
• M8: 3,351,740 km (0.116 R)
• M9: 3,768,819 km (0.097 R)
• M10: 4,161,962 km (0.059 R)
• M11: 5,721,670 km (0.056 R)
• M12: 6,902,446 km (0.119 R)
• M13: 7,934,073 km (0.104 R)
• M14: 8,393,039 km (0.088 R)
• M15: 10,958,493 km (0.105 R)
• M16: 11,259,933 km (0.032 R)
• M17: 11,644,399 km (0.107 R)
• M18: 13,313,014 km (0.069 R)
• M19: 13,874,006 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.1

Radius: 12.9

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.27 AU - 2.55 AU

Year: 2538 Days

Day: 11.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,898,770 km

• M1: 160,967 km (0.111 R)
• M2: 581,038 km (0.054 R)
• M3: 987,346 km (0.107 R)
• M4: 1,408,165 km (0.107 R)
• M5: 2,362,749 km (0.115 R)
• M6: 3,207,977 km (0.075 R)
• M7: 3,635,976 km (0.119 R)
• M8: 4,183,804 km (0.102 R)
• M9: 4,786,384 km (0.1 R)
• M10: 6,549,395 km (0.083 R)
• M11: 7,394,473 km (0.103 R)
• M12: 8,277,998 km (0.032 R)
• M13: 9,055,458 km (0.082 R)
• M14: 10,677,997 km (0.114 R)
• M15: 11,974,412 km (0.101 R)
• M16: 12,969,238 km (0.081 R)
• M17: 13,373,152 km (0.053 R)
• M18: 14,491,845 km (0.081 R)
• M19: 16,027,766 km (0.033 R)
• M20: 16,808,966 km (0.055 R)
• M21: 18,000,214 km (0.097 R)
• M22: 18,447,213 km (0.12 R)
• M23: 19,305,156 km (0.103 R)
• M24: 19,714,456 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.1

Radius: 14.8

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.7 AU - 4.32 AU

Year: 4460 Days

Day: 12.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,898,770 km

• M1: 184,305 km (0.118 R)
• M2: 843,433 km (0.033 R)
• M3: 1,585,588 km (0.031 R)
• M4: 2,106,637 km (0.094 R)
• M5: 2,658,354 km (0.118 R)
• M6: 4,003,688 km (0.095 R)
• M7: 4,839,491 km (0.114 R)
• M8: 6,308,841 km (0.091 R)
• M9: 6,805,955 km (0.109 R)
• M10: 8,932,938 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.8

Radius: 12.1

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.87 AU - 5.55 AU

Year: 6933 Days

Day: 7.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,898,770 km

• M1: 150,645 km (0.097 R)
• M2: 647,160 km (0.112 R)
• M3: 1,163,123 km (0.097 R)
• M4: 1,641,388 km (0.04 R)
• M5: 2,057,569 km (0.092 R)
• M6: 2,807,354 km (0.097 R)
• M7: 3,193,017 km (0.106 R)
• M8: 3,637,622 km (0.118 R)
• M9: 4,848,467 km (0.096 R)
• M10: 6,448,117 km (0.071 R)
• M11: 7,237,545 km (0.044 R)
• M12: 8,922,316 km (0.107 R)
• M13: 10,135,405 km (0.046 R)
• M14: 10,659,895 km (0.065 R)
• M15: 12,289,764 km (0.116 R)
• M16: 13,559,850 km (0.111 R)
• M17: 15,974,210 km (0.111 R)
• M18: 17,149,152 km (0.054 R)
• M19: 18,380,791 km (0.087 R)
• M20: 19,451,463 km (0.101 R)
• M21: 20,039,233 km (0.068 R)
• M22: 21,250,378 km (0.105 R)
• M23: 22,031,877 km (0.077 R)
• M24: 23,486,567 km (0.046 R)
• M25: 27,955,204 km (0.11 R)
• M26: 31,130,868 km (0.084 R)

Asteroid Belt

Center: 5.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.1

Radius: 6.6

Gravity: 15.34 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.08 AU - 6.32 AU

Year: 9230 Days

Day: 22.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 44,898,770 km

• M1: 82,279 km (0.029 R)
• M2: 314,904 km (0.078 R)
• M3: 711,637 km (0.078 R)
• M4: 1,059,003 km (0.075 R)
• M5: 1,850,077 km (0.068 R)
• M6: 2,233,646 km (0.067 R)
• M7: 3,913,779 km (0.049 R)
• M8: 4,517,706 km (0.108 R)
• M9: 4,963,957 km (0.067 R)
• M10: 7,981,495 km (0.1 R)
• M11: 8,324,822 km (0.075 R)
• M12: 9,367,220 km (0.077 R)
• M13: 9,797,913 km (0.118 R)
• M14: 11,275,940 km (0.096 R)
• M15: 12,321,329 km (0.082 R)
• M16: 12,606,762 km (0.108 R)
• M17: 13,310,022 km (0.065 R)
• M18: 13,915,744 km (0.09 R)
• M19: 14,666,725 km (0.086 R)
• M20: 15,843,462 km (0.086 R)
• M21: 20,298,935 km (0.109 R)
• M22: 21,757,963 km (0.032 R)
• M23: 22,428,311 km (0.053 R)
• M24: 23,459,489 km (0.083 R)
• M25: 25,987,993 km (0.091 R)
• M26: 26,552,425 km (0.108 R)
• M27: 27,705,974 km (0.063 R)
• M28: 32,329,596 km (0.094 R)
• M29: 34,994,084 km (0.075 R)
• M30: 38,162,417 km (0.107 R)
• M31: 38,769,485 km (0.096 R)
• M32: 41,261,935 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.1

Radius: 3.4

Gravity: 83.57 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.7 AU - 9.18 AU

Year: 15175 Days

Day: 21.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 44,898,770 km

• M1: 42,336 km (0.051 R)
• M2: 174,282 km (0.106 R)
• M3: 306,526 km (0.03 R)
• M4: 689,945 km (0.046 R)
• M5: 839,693 km (0.053 R)
• M6: 1,098,348 km (0.085 R)
• M7: 1,204,861 km (0.085 R)
• M8: 1,423,125 km (0.102 R)
• M9: 1,550,133 km (0.1 R)
• M10: 2,135,360 km (0.072 R)
• M11: 2,806,007 km (0.114 R)
• M12: 3,162,798 km (0.105 R)
• M13: 3,435,515 km (0.106 R)
• M14: 6,003,363 km (0.108 R)
• M15: 8,909,900 km (0.096 R)
• M16: 9,732,239 km (0.087 R)
• M17: 11,089,391 km (0.118 R)
• M18: 13,180,171 km (0.119 R)
• M19: 13,741,163 km (0.097 R)
• M20: 14,244,859 km (0.113 R)
• M21: 14,538,220 km (0.117 R)
• M22: 15,061,214 km (0.083 R)
• M23: 16,543,879 km (0.105 R)
• M24: 19,614,674 km (0.12 R)
• M25: 23,246,013 km (0.105 R)
• M26: 27,753,247 km (0.045 R)
• M27: 28,673,125 km (0.118 R)
• M28: 31,554,080 km (0.099 R)
• M29: 35,553,131 km (0.099 R)
• M30: 39,157,093 km (0.089 R)
• M31: 39,300,408 km (0.119 R)
• M32: 44,538,278 km (0.112 R)
• M33: 46,116,087 km (0.093 R)
• M34: 55,463,859 km (0.088 R)
• M35: 58,965,048 km (0.098 R)
• M36: 62,220,148 km (0.045 R)
• M37: 66,200,499 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.8

Radius: 3.3

Gravity: 17.98 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 7.22 AU - 9.88 AU

Year: 16957 Days

Day: 16.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,898,770 km

• M1: 40,990 km (0.113 R)
• M2: 177,722 km (0.119 R)
• M3: 394,490 km (0.084 R)
• M4: 645,814 km (0.045 R)
• M5: 1,697,487 km (0.11 R)
• M6: 2,082,103 km (0.093 R)
• M7: 2,204,474 km (0.077 R)
• M8: 2,641,001 km (0.069 R)
• M9: 2,847,895 km (0.118 R)
• M10: 3,364,456 km (0.099 R)
• M11: 6,833,332 km (0.083 R)
• M12: 6,948,671 km (0.054 R)
• M13: 8,217,860 km (0.084 R)
• M14: 11,910,833 km (0.079 R)
• M15: 12,246,680 km (0.118 R)
• M16: 13,173,289 km (0.032 R)
• M17: 13,352,208 km (0.118 R)
• M18: 19,269,851 km (0.095 R)
• M19: 27,105,937 km (0.093 R)
• M20: 27,395,260 km (0.083 R)
• M21: 28,573,044 km (0.087 R)
• M22: 34,179,972 km (0.088 R)
• M23: 36,122,650 km (0.097 R)
• M24: 37,776,754 km (0.104 R)
• M25: 40,728,768 km (0.117 R)
• M26: 41,362,465 km (0.055 R)
• M27: 42,131,697 km (0.108 R)
• M28: 42,260,800 km (0.12 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 12,681 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit