🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.5

Radius: 11.6

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.53 AU - 0.59 AU

Year: 284 Days

Day: 6.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 159.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,070,314 km

• M1: 144,212 km (0.042 R)
• M2: 544,387 km (0.089 R)
• M3: 928,704 km (0.027 R)
• M4: 1,293,722 km (0.042 R)
• M5: 1,791,135 km (0.109 R)
• M6: 2,356,017 km (0.1 R)
• M7: 2,815,282 km (0.115 R)
• M8: 4,269,673 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.2

Radius: 9.6

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.81 AU - 2.39 AU

Year: 2064 Days

Day: 5.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,070,314 km

• M1: 125,961 km (0.09 R)
• M2: 525,537 km (0.068 R)
• M3: 1,113,307 km (0.112 R)
• M4: 1,673,103 km (0.113 R)
• M5: 5,093,359 km (0.077 R)
• M6: 5,597,653 km (0.094 R)
• M7: 6,809,246 km (0.082 R)
• M8: 7,151,077 km (0.073 R)
• M9: 8,514,064 km (0.074 R)
• M10: 10,245,958 km (0.061 R)
• M11: 10,801,415 km (0.107 R)
• M12: 11,158,655 km (0.109 R)
• M13: 11,709,325 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.6

Radius: 10.4

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.33 AU - 3.17 AU

Year: 3093 Days

Day: 12.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,070,314 km

• M1: 129,402 km (0.101 R)
• M2: 610,509 km (0.107 R)
• M3: 988,244 km (0.108 R)
• M4: 1,361,939 km (0.03 R)
• M5: 1,782,907 km (0.063 R)
• M6: 2,347,490 km (0.117 R)
• M7: 2,712,359 km (0.079 R)
• M8: 3,132,729 km (0.096 R)
• M9: 4,105,564 km (0.109 R)
• M10: 4,524,139 km (0.045 R)
• M11: 5,044,291 km (0.088 R)
• M12: 5,736,929 km (0.035 R)
• M13: 6,757,635 km (0.073 R)
• M14: 7,599,572 km (0.077 R)
• M15: 9,491,387 km (0.073 R)
• M16: 13,169,101 km (0.087 R)
• M17: 13,644,971 km (0.107 R)
• M18: 16,634,834 km (0.116 R)
• M19: 17,078,841 km (0.064 R)
• M20: 17,530,926 km (0.056 R)
• M21: 19,602,856 km (0.104 R)
• M22: 21,179,319 km (0.112 R)
• M23: 21,766,939 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.6

Radius: 9.4

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.46 AU - 3.88 AU

Year: 4769 Days

Day: 6.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,070,314 km

• M1: 117,135 km (0.12 R)
• M2: 569,070 km (0.084 R)
• M3: 891,454 km (0.088 R)
• M4: 1,214,436 km (0.072 R)
• M5: 1,616,555 km (0.103 R)
• M6: 2,093,772 km (0.047 R)
• M7: 2,529,550 km (0.116 R)
• M8: 4,550,917 km (0.073 R)
• M9: 5,286,041 km (0.111 R)
• M10: 5,581,347 km (0.102 R)
• M11: 6,788,751 km (0.117 R)
• M12: 8,794,260 km (0.105 R)
• M13: 10,383,738 km (0.119 R)
• M14: 11,903,353 km (0.094 R)
• M15: 14,692,904 km (0.061 R)
• M16: 16,918,771 km (0.075 R)
• M17: 17,292,467 km (0.07 R)
• M18: 17,617,244 km (0.074 R)
• M19: 18,001,261 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.9

Radius: 12.6

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.77 AU - 4.13 AU

Year: 5325 Days

Day: 13.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,070,314 km

• M1: 159,920 km (0.094 R)
• M2: 747,690 km (0.091 R)
• M3: 1,193,641 km (0.104 R)
• M4: 2,003,115 km (0.109 R)
• M5: 2,937,205 km (0.105 R)
• M6: 3,482,339 km (0.08 R)
• M7: 6,210,855 km (0.063 R)
• M8: 6,871,928 km (0.115 R)
• M9: 8,141,715 km (0.094 R)
• M10: 8,571,360 km (0.079 R)
• M11: 9,265,494 km (0.053 R)
• M12: 10,219,031 km (0.054 R)
• M13: 11,332,637 km (0.107 R)
• M14: 11,968,877 km (0.028 R)
• M15: 13,800,553 km (0.088 R)
• M16: 17,621,881 km (0.112 R)
• M17: 18,744,763 km (0.1 R)
• M18: 19,844,756 km (0.081 R)
• M19: 22,936,495 km (0.032 R)
• M20: 25,003,788 km (0.08 R)
• M21: 30,523,351 km (0.06 R)
• M22: 32,432,669 km (0.083 R)
• M23: 32,922,153 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.1

Radius: 14

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.06 AU - 5.06 AU

Year: 7720 Days

Day: 12.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,070,314 km

• M1: 174,132 km (0.12 R)
• M2: 813,812 km (0.109 R)
• M3: 1,594,265 km (0.102 R)
• M4: 2,039,169 km (0.094 R)
• M5: 2,620,955 km (0.047 R)
• M6: 3,069,300 km (0.075 R)
• M7: 3,886,104 km (0.063 R)
• M8: 4,346,566 km (0.119 R)
• M9: 5,092,312 km (0.044 R)
• M10: 5,676,042 km (0.047 R)
• M11: 6,207,115 km (0.111 R)
• M12: 7,700,700 km (0.12 R)
• M13: 9,725,208 km (0.091 R)
• M14: 10,580,609 km (0.106 R)
• M15: 11,436,907 km (0.055 R)
• M16: 12,033,054 km (0.045 R)
• M17: 13,724,857 km (0.118 R)
• M18: 18,845,592 km (0.042 R)
• M19: 20,535,599 km (0.047 R)
• M20: 22,943,526 km (0.114 R)
• M21: 23,653,368 km (0.06 R)
• M22: 29,131,044 km (0.075 R)
• M23: 32,458,250 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.9

Radius: 5.9

Gravity: 21.6 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.53 AU - 8.35 AU

Year: 12400 Days

Day: 16 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,070,314 km

• M1: 74,051 km (0.053 R)
• M2: 315,652 km (0.12 R)
• M3: 705,504 km (0.093 R)
• M4: 1,029,682 km (0.079 R)
• M5: 1,245,851 km (0.118 R)
• M6: 1,581,698 km (0.097 R)
• M7: 2,140,297 km (0.111 R)
• M8: 2,601,806 km (0.118 R)
• M9: 3,612,789 km (0.116 R)
• M10: 3,916,023 km (0.114 R)
• M11: 4,266,082 km (0.075 R)
• M12: 4,732,678 km (0.104 R)
• M13: 4,928,651 km (0.07 R)
• M14: 5,878,299 km (0.112 R)
• M15: 6,104,940 km (0.099 R)
• M16: 7,070,444 km (0.078 R)
• M17: 8,368,206 km (0.047 R)
• M18: 8,752,523 km (0.063 R)
• M19: 9,098,243 km (0.096 R)
• M20: 9,660,133 km (0.106 R)
• M21: 18,878,952 km (0.117 R)
• M22: 22,246,101 km (0.088 R)
• M23: 23,076,369 km (0.085 R)
• M24: 26,399,686 km (0.111 R)
• M25: 29,475,268 km (0.108 R)
• M26: 37,090,698 km (0.078 R)
• M27: 41,762,789 km (0.089 R)
• M28: 44,023,512 km (0.08 R)
• M29: 51,932,153 km (0.106 R)
• M30: 56,729,009 km (0.065 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: 171 - 10,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit