🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.1

Radius: 13.1

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.81 AU - 1.07 AU

Year: 598 Days

Day: 8.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,973,462 km

• M1: 162,912 km (0.114 R)
• M2: 657,333 km (0.071 R)
• M3: 1,189,153 km (0.032 R)
• M4: 1,599,052 km (0.101 R)
• M5: 2,141,942 km (0.1 R)
• M6: 2,687,227 km (0.061 R)
• M7: 3,274,697 km (0.113 R)
• M8: 4,220,306 km (0.094 R)
• M9: 4,709,640 km (0.118 R)
• M10: 5,271,231 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.5

Radius: 14.8

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.9 AU - 1.1 AU

Year: 656 Days

Day: 7.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 84,973,462 km

• M1: 184,305 km (0.07 R)
• M2: 1,372,560 km (0.109 R)
• M3: 2,018,225 km (0.115 R)
• M4: 2,706,076 km (0.101 R)
• M5: 3,353,386 km (0.075 R)
• M6: 4,066,669 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.5

Radius: 8.4

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.03 AU - 1.17 AU

Year: 757 Days

Day: 8.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,973,462 km

• M1: 104,419 km (0.1 R)
• M2: 384,317 km (0.092 R)
• M3: 655,987 km (0.057 R)
• M4: 1,023,399 km (0.059 R)
• M5: 1,571,526 km (0.12 R)
• M6: 1,847,384 km (0.111 R)
• M7: 2,292,887 km (0.098 R)
• M8: 2,796,882 km (0.102 R)
• M9: 3,282,327 km (0.109 R)
• M10: 3,613,686 km (0.087 R)
• M11: 3,880,270 km (0.06 R)
• M12: 4,266,382 km (0.054 R)
• M13: 4,893,795 km (0.112 R)
• M14: 5,220,966 km (0.095 R)
• M15: 5,526,145 km (0.115 R)
• M16: 7,278,684 km (0.056 R)
• M17: 7,728,824 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.7

Radius: 10.2

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.96 AU - 1.32 AU

Year: 798 Days

Day: 10.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,973,462 km

• M1: 127,009 km (0.1 R)
• M2: 452,982 km (0.058 R)
• M3: 888,163 km (0.073 R)
• M4: 1,355,506 km (0.108 R)
• M5: 1,771,388 km (0.115 R)
• M6: 2,124,140 km (0.069 R)
• M7: 2,841,462 km (0.084 R)
• M8: 3,342,316 km (0.052 R)
• M9: 3,684,596 km (0.106 R)
• M10: 4,065,472 km (0.075 R)
• M11: 4,537,603 km (0.108 R)
• M12: 5,387,468 km (0.118 R)
• M13: 5,840,899 km (0.076 R)
• M14: 6,197,391 km (0.084 R)
• M15: 7,064,460 km (0.116 R)
• M16: 7,585,061 km (0.073 R)
• M17: 7,962,347 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.5

Radius: 11.6

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.6 AU - 1.8 AU

Year: 1454 Days

Day: 13.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,973,462 km

• M1: 144,212 km (0.085 R)
• M2: 509,680 km (0.09 R)
• M3: 985,700 km (0.079 R)
• M4: 1,958,087 km (0.089 R)
• M5: 2,392,070 km (0.042 R)
• M6: 2,977,895 km (0.087 R)
• M7: 3,570,752 km (0.118 R)
• M8: 4,192,780 km (0.114 R)
• M9: 4,710,089 km (0.092 R)
• M10: 5,893,558 km (0.099 R)
• M11: 6,350,579 km (0.029 R)
• M12: 6,786,358 km (0.084 R)
• M13: 7,477,799 km (0.102 R)
• M14: 7,840,724 km (0.075 R)
• M15: 8,497,907 km (0.034 R)
• M16: 9,384,574 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.2

Radius: 8.5

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.42 AU - 4.44 AU

Year: 6117 Days

Day: 13.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,973,462 km

• M1: 105,766 km (0.091 R)
• M2: 434,283 km (0.092 R)
• M3: 732,431 km (0.102 R)
• M4: 1,341,594 km (0.087 R)
• M5: 1,969,905 km (0.099 R)
• M6: 2,813,038 km (0.097 R)
• M7: 3,460,348 km (0.085 R)
• M8: 4,266,232 km (0.08 R)
• M9: 5,096,201 km (0.116 R)
• M10: 5,362,635 km (0.059 R)
• M11: 5,689,506 km (0.067 R)
• M12: 11,406,987 km (0.041 R)
• M13: 12,860,779 km (0.107 R)
• M14: 15,874,279 km (0.081 R)
• M15: 18,294,922 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.1

Radius: 10.7

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.88 AU - 6.14 AU

Year: 8485 Days

Day: 9.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,973,462 km

• M1: 134,788 km (0.045 R)
• M2: 471,084 km (0.104 R)
• M3: 832,811 km (0.086 R)
• M4: 1,693,897 km (0.056 R)
• M5: 2,707,721 km (0.063 R)
• M6: 3,070,496 km (0.11 R)
• M7: 5,140,332 km (0.113 R)
• M8: 5,823,546 km (0.092 R)
• M9: 6,873,723 km (0.094 R)
• M10: 7,443,990 km (0.096 R)
• M11: 10,455,994 km (0.101 R)
• M12: 12,724,196 km (0.118 R)
• M13: 13,584,983 km (0.113 R)
• M14: 17,484,401 km (0.099 R)
• M15: 18,144,127 km (0.048 R)
• M16: 20,367,002 km (0.12 R)
• M17: 23,078,314 km (0.096 R)
• M18: 24,275,845 km (0.059 R)
• M19: 26,277,614 km (0.038 R)
• M20: 28,386,944 km (0.078 R)
• M21: 33,642,168 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.4

Radius: 3.1

Gravity: 73.3 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.19 AU - 7.79 AU

Year: 13447 Days

Day: 18.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 84,973,462 km

• M1: 55,501 km (0.11 R)
• M2: 167,998 km (0.113 R)
• M3: 279,898 km (0.092 R)
• M4: 584,030 km (0.102 R)
• M5: 1,026,840 km (0.116 R)
• M6: 1,172,399 km (0.104 R)
• M7: 1,726,359 km (0.079 R)
• M8: 2,098,260 km (0.094 R)
• M9: 2,809,747 km (0.089 R)
• M10: 3,724,239 km (0.095 R)
• M11: 4,853,703 km (0.096 R)
• M12: 5,406,168 km (0.049 R)
• M13: 6,232,546 km (0.077 R)
• M14: 7,579,675 km (0.089 R)
• M15: 8,178,516 km (0.046 R)
• M16: 9,313,814 km (0.101 R)
• M17: 9,521,456 km (0.034 R)
• M18: 10,383,139 km (0.067 R)
• M19: 10,550,240 km (0.077 R)
• M20: 12,074,792 km (0.12 R)
• M21: 12,259,695 km (0.095 R)
• M22: 18,154,450 km (0.107 R)
• M23: 18,723,819 km (0.058 R)
• M24: 20,943,403 km (0.083 R)
• M25: 22,672,006 km (0.077 R)
• M26: 25,188,242 km (0.076 R)
• M27: 25,489,981 km (0.083 R)
• M28: 26,100,789 km (0.1 R)
• M29: 28,860,720 km (0.112 R)
• M30: 29,301,735 km (0.094 R)
• M31: 29,412,737 km (0.11 R)
• M32: 32,397,812 km (0.115 R)
• M33: 32,516,444 km (0.109 R)
• M34: 32,635,523 km (0.115 R)
• M35: 34,578,650 km (0.06 R)
• M36: 37,114,334 km (0.119 R)
• M37: 46,507,435 km (0.069 R)
• M38: 50,382,319 km (0.074 R)
• M39: 52,971,858 km (0.042 R)
• M40: 54,466,790 km (0.112 R)
• M41: 58,063,721 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.3

Radius: 7.9

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.86 AU - 12 AU

Year: 20527 Days

Day: 22.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,973,462 km

• M1: 128,355 km (0.075 R)
• M2: 498,460 km (0.106 R)
• M3: 960,718 km (0.07 R)
• M4: 1,766,601 km (0.053 R)
• M5: 2,057,420 km (0.111 R)
• M6: 2,628,135 km (0.069 R)
• M7: 3,530,510 km (0.072 R)
• M8: 4,378,131 km (0.078 R)
• M9: 6,351,926 km (0.058 R)
• M10: 7,424,243 km (0.063 R)
• M11: 8,234,166 km (0.112 R)
• M12: 10,460,631 km (0.109 R)
• M13: 11,889,889 km (0.11 R)
• M14: 12,996,614 km (0.058 R)
• M15: 20,594,840 km (0.056 R)
• M16: 21,647,111 km (0.089 R)
• M17: 23,012,491 km (0.087 R)
• M18: 30,484,904 km (0.105 R)
• M19: 31,620,053 km (0.109 R)
• M20: 32,314,486 km (0.115 R)
• M21: 39,560,559 km (0.117 R)
• M22: 43,275,074 km (0.103 R)
• M23: 49,971,523 km (0.117 R)
• M24: 54,634,190 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.7

Radius: 5.7

Gravity: 20.12 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 9.95 AU - 12.19 AU

Year: 24162 Days

Day: 18.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,973,462 km

• M1: 70,909 km (0.085 R)
• M2: 248,931 km (0.111 R)
• M3: 1,229,994 km (0.097 R)
• M4: 2,749,908 km (0.11 R)
• M5: 3,066,906 km (0.093 R)
• M6: 6,774,240 km (0.061 R)
• M7: 8,389,000 km (0.065 R)
• M8: 8,662,614 km (0.045 R)
• M9: 10,683,682 km (0.065 R)
• M10: 12,077,934 km (0.115 R)
• M11: 14,981,180 km (0.08 R)
• M12: 18,593,819 km (0.114 R)
• M13: 18,779,021 km (0.119 R)
• M14: 22,432,051 km (0.059 R)
• M15: 27,003,164 km (0.07 R)
• M16: 33,645,309 km (0.101 R)
• M17: 35,746,112 km (0.089 R)
• M18: 38,380,381 km (0.034 R)
• M19: 46,883,524 km (0.058 R)
• M20: 49,677,563 km (0.102 R)
• M21: 61,143,343 km (0.118 R)
• M22: 65,324,902 km (0.077 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: 337 - 18,080 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit