🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.3

Radius: 9.1

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.77 AU - 1.07 AU

Year: 561 Days

Day: 7.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,873,374 km

• M1: 113,395 km (0.071 R)
• M2: 402,867 km (0.07 R)
• M3: 691,292 km (0.082 R)
• M4: 984,803 km (0.061 R)
• M5: 1,319,752 km (0.117 R)
• M6: 1,678,937 km (0.088 R)
• M7: 2,469,711 km (0.062 R)
• M8: 2,954,857 km (0.107 R)
• M9: 3,768,071 km (0.047 R)
• M10: 4,157,474 km (0.091 R)
• M11: 5,455,834 km (0.03 R)
• M12: 5,797,217 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.4

Radius: 13.1

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.27 AU - 1.41 AU

Year: 986 Days

Day: 6.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,873,374 km

• M1: 162,912 km (0.095 R)
• M2: 646,113 km (0.116 R)
• M3: 1,160,730 km (0.114 R)
• M4: 1,722,619 km (0.12 R)
• M5: 2,229,457 km (0.088 R)
• M6: 3,270,509 km (0.083 R)
• M7: 4,028,820 km (0.07 R)
• M8: 4,868,663 km (0.087 R)
• M9: 5,514,926 km (0.112 R)
• M10: 6,275,780 km (0.095 R)
• M11: 6,712,307 km (0.085 R)
• M12: 7,126,693 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.3

Radius: 10.4

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.21 AU - 1.49 AU

Year: 997 Days

Day: 14.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 81.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,873,374 km

• M1: 130,300 km (0.081 R)
• M2: 493,673 km (0.077 R)
• M3: 968,945 km (0.095 R)
• M4: 2,137,006 km (0.079 R)
• M5: 2,703,832 km (0.091 R)
• M6: 3,281,429 km (0.03 R)
• M7: 3,747,576 km (0.081 R)
• M8: 4,813,162 km (0.028 R)
• M9: 6,091,625 km (0.111 R)
• M10: 6,965,127 km (0.091 R)
• M11: 7,763,681 km (0.108 R)
• M12: 8,789,922 km (0.048 R)
• M13: 9,277,312 km (0.083 R)
• M14: 9,602,239 km (0.071 R)
• M15: 10,119,398 km (0.069 R)
• M16: 11,143,396 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.5

Radius: 8

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.33 AU - 1.77 AU

Year: 1227 Days

Day: 10.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,873,374 km

• M1: 111,600 km (0.1 R)
• M2: 406,009 km (0.117 R)
• M3: 809,624 km (0.052 R)
• M4: 1,266,047 km (0.101 R)
• M5: 1,527,544 km (0.059 R)
• M6: 1,988,604 km (0.066 R)
• M7: 2,810,944 km (0.11 R)
• M8: 3,960,005 km (0.062 R)
• M9: 5,542,900 km (0.036 R)
• M10: 6,606,092 km (0.119 R)
• M11: 7,022,423 km (0.099 R)
• M12: 8,181,358 km (0.108 R)
• M13: 8,835,549 km (0.118 R)
• M14: 10,151,562 km (0.11 R)
• M15: 11,453,811 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.4

Radius: 14.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.97 AU - 2.69 AU

Year: 2261 Days

Day: 7.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 19,873,374 km

• M1: 177,872 km (0.077 R)
• M2: 655,538 km (0.104 R)
• M3: 1,137,841 km (0.045 R)
• M4: 1,651,860 km (0.116 R)
• M5: 2,218,237 km (0.098 R)
• M6: 3,024,570 km (0.115 R)
• M7: 3,514,952 km (0.063 R)
• M8: 4,098,234 km (0.087 R)
• M9: 4,680,169 km (0.117 R)
• M10: 6,516,334 km (0.11 R)
• M11: 7,312,643 km (0.091 R)
• M12: 7,858,077 km (0.073 R)
• M13: 10,243,265 km (0.115 R)
• M14: 11,044,512 km (0.096 R)
• M15: 11,887,346 km (0.088 R)
• M16: 13,209,342 km (0.062 R)
• M17: 14,627,231 km (0.065 R)
• M18: 15,545,164 km (0.049 R)
• M19: 16,093,889 km (0.069 R)
• M20: 17,603,032 km (0.093 R)
• M21: 18,530,389 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.4

Radius: 12

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.91 AU - 3.67 AU

Year: 3794 Days

Day: 9.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 19,873,374 km

• M1: 149,299 km (0.091 R)
• M2: 550,371 km (0.114 R)
• M3: 1,083,089 km (0.088 R)
• M4: 1,753,287 km (0.053 R)
• M5: 2,372,772 km (0.076 R)
• M6: 2,973,258 km (0.119 R)
• M7: 5,090,068 km (0.12 R)
• M8: 5,508,792 km (0.112 R)
• M9: 6,007,551 km (0.032 R)
• M10: 7,586,407 km (0.102 R)
• M11: 8,346,813 km (0.107 R)
• M12: 8,819,692 km (0.09 R)
• M13: 10,764,913 km (0.088 R)
• M14: 11,860,718 km (0.097 R)
• M15: 12,742,298 km (0.113 R)
• M16: 13,174,785 km (0.079 R)
• M17: 13,867,124 km (0.119 R)
• M18: 14,687,968 km (0.106 R)
• M19: 15,704,485 km (0.065 R)
• M20: 16,939,266 km (0.053 R)
• M21: 19,348,839 km (0.108 R)
• M22: 19,985,228 km (0.084 R)
• M23: 21,165,855 km (0.088 R)
• M24: 23,810,446 km (0.026 R)
• M25: 24,837,884 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.6

Radius: 9.4

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.57 AU - 4.01 AU

Year: 4691 Days

Day: 12.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 19,873,374 km

• M1: 116,986 km (0.095 R)
• M2: 418,575 km (0.086 R)
• M3: 1,084,585 km (0.116 R)
• M4: 1,820,456 km (0.102 R)
• M5: 2,480,781 km (0.108 R)
• M6: 3,537,092 km (0.106 R)
• M7: 4,131,594 km (0.063 R)
• M8: 4,489,881 km (0.065 R)
• M9: 4,947,202 km (0.095 R)
• M10: 5,269,136 km (0.098 R)
• M11: 5,662,429 km (0.12 R)
• M12: 7,539,882 km (0.099 R)
• M13: 8,150,092 km (0.087 R)
• M14: 8,524,386 km (0.049 R)
• M15: 9,347,473 km (0.039 R)
• M16: 10,438,939 km (0.101 R)
• M17: 11,519,934 km (0.083 R)
• M18: 14,765,609 km (0.12 R)
• M19: 15,378,960 km (0.093 R)
• M20: 16,242,589 km (0.08 R)
• M21: 17,815,760 km (0.065 R)
• M22: 18,962,876 km (0.106 R)
• M23: 21,192,334 km (0.039 R)
• M24: 21,615,845 km (0.083 R)
• M25: 22,625,631 km (0.11 R)
• M26: 23,216,692 km (0.077 R)
• M27: 24,122,357 km (0.089 R)
• M28: 26,734,635 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.8

Radius: 15

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.69 AU - 5.93 AU

Year: 8904 Days

Day: 12.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 19,873,374 km

• M1: 188,194 km (0.107 R)
• M2: 730,486 km (0.101 R)
• M3: 1,317,508 km (0.081 R)
• M4: 1,791,435 km (0.066 R)
• M5: 6,203,525 km (0.062 R)
• M6: 7,175,462 km (0.068 R)
• M7: 8,420,864 km (0.089 R)
• M8: 8,912,144 km (0.11 R)
• M9: 10,249,848 km (0.084 R)
• M10: 15,528,109 km (0.065 R)
• M11: 17,677,083 km (0.067 R)
• M12: 18,336,510 km (0.03 R)
• M13: 19,088,539 km (0.118 R)
• M14: 19,939,451 km (0.099 R)
• M15: 21,386,212 km (0.114 R)
• M16: 29,789,125 km (0.107 R)
• M17: 30,410,255 km (0.08 R)
• M18: 31,145,678 km (0.107 R)
• M19: 34,093,953 km (0.1 R)
• M20: 37,703,151 km (0.105 R)
• M21: 42,989,491 km (0.093 R)
• M22: 44,586,000 km (0.093 R)
• M23: 45,946,592 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.8

Radius: 9.9

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.74 AU - 6.4 AU

Year: 9509 Days

Day: 6.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 19,873,374 km

• M1: 123,717 km (0.077 R)
• M2: 513,420 km (0.106 R)
• M3: 1,201,420 km (0.037 R)
• M4: 2,162,288 km (0.11 R)
• M5: 2,889,782 km (0.087 R)
• M6: 3,358,023 km (0.115 R)
• M7: 4,024,632 km (0.113 R)
• M8: 6,294,330 km (0.07 R)
• M9: 6,865,046 km (0.062 R)
• M10: 7,437,109 km (0.051 R)
• M11: 8,284,132 km (0.027 R)
• M12: 8,604,421 km (0.114 R)
• M13: 9,119,037 km (0.064 R)
• M14: 13,170,447 km (0.099 R)
• M15: 14,306,493 km (0.113 R)
• M16: 16,999,704 km (0.077 R)
• M17: 21,313,807 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.3

Radius: 4.7

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.98 AU - 7.58 AU

Year: 12489 Days

Day: 24.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,873,374 km

• M1: 59,241 km (0.055 R)
• M2: 339,288 km (0.071 R)
• M3: 777,011 km (0.114 R)
• M4: 2,447,272 km (0.106 R)
• M5: 4,190,386 km (0.09 R)
• M6: 4,446,348 km (0.111 R)
• M7: 5,859,300 km (0.105 R)
• M8: 6,567,795 km (0.08 R)
• M9: 6,884,195 km (0.118 R)
• M10: 14,264,157 km (0.071 R)
• M11: 14,503,514 km (0.069 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 14,984 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit