🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.2

Radius: 10.1

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.81 AU - 1.19 AU

Year: 690 Days

Day: 8.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,001,604 km

• M1: 125,662 km (0.073 R)
• M2: 523,892 km (0.053 R)
• M3: 1,272,180 km (0.027 R)
• M4: 1,749,547 km (0.052 R)
• M5: 3,264,674 km (0.048 R)
• M6: 4,483,747 km (0.105 R)
• M7: 5,478,723 km (0.092 R)
• M8: 5,965,664 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382

Radius: 10

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.02 AU - 3.02 AU

Year: 2761 Days

Day: 6.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,001,604 km

• M1: 124,316 km (0.1 R)
• M2: 918,681 km (0.115 R)
• M3: 1,268,889 km (0.119 R)
• M4: 1,688,511 km (0.111 R)
• M5: 2,102,000 km (0.092 R)
• M6: 2,499,930 km (0.078 R)
• M7: 2,857,170 km (0.06 R)
• M8: 3,640,015 km (0.096 R)
• M9: 4,237,210 km (0.091 R)
• M10: 4,663,714 km (0.072 R)
• M11: 5,461,818 km (0.104 R)
• M12: 6,042,707 km (0.109 R)
• M13: 7,214,357 km (0.091 R)
• M14: 7,914,027 km (0.101 R)
• M15: 8,405,306 km (0.106 R)
• M16: 9,180,073 km (0.081 R)
• M17: 10,001,814 km (0.065 R)
• M18: 11,210,864 km (0.061 R)
• M19: 14,093,615 km (0.066 R)
• M20: 15,468,270 km (0.117 R)
• M21: 16,236,904 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.7

Radius: 14.4

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.47 AU - 2.93 AU

Year: 3062 Days

Day: 13.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,001,604 km

• M1: 179,218 km (0.043 R)
• M2: 720,015 km (0.051 R)
• M3: 1,239,119 km (0.063 R)
• M4: 2,216,292 km (0.105 R)
• M5: 2,674,960 km (0.096 R)
• M6: 3,984,988 km (0.037 R)
• M7: 5,313,417 km (0.083 R)
• M8: 6,631,823 km (0.12 R)
• M9: 7,995,857 km (0.087 R)
• M10: 8,975,423 km (0.097 R)
• M11: 9,449,200 km (0.111 R)
• M12: 11,038,827 km (0.086 R)
• M13: 11,827,208 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.7

Radius: 14.5

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.86 AU - 4 AU

Year: 5378 Days

Day: 13.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,001,604 km

• M1: 180,864 km (0.045 R)
• M2: 673,041 km (0.054 R)
• M3: 1,370,765 km (0.113 R)
• M4: 1,886,130 km (0.117 R)
• M5: 3,473,663 km (0.113 R)
• M6: 4,015,955 km (0.098 R)
• M7: 4,476,716 km (0.091 R)
• M8: 5,022,001 km (0.099 R)
• M9: 5,532,129 km (0.095 R)
• M10: 5,993,040 km (0.115 R)
• M11: 7,930,482 km (0.082 R)
• M12: 8,482,947 km (0.094 R)
• M13: 9,435,886 km (0.067 R)
• M14: 11,082,210 km (0.089 R)
• M15: 11,598,622 km (0.116 R)
• M16: 12,449,086 km (0.104 R)
• M17: 13,149,503 km (0.049 R)
• M18: 17,167,552 km (0.116 R)
• M19: 18,272,482 km (0.08 R)
• M20: 19,055,478 km (0.055 R)
• M21: 20,176,564 km (0.097 R)
• M22: 21,739,114 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.3

Radius: 9.8

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.71 AU - 6.05 AU

Year: 8614 Days

Day: 5.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,001,604 km

• M1: 121,922 km (0.115 R)
• M2: 450,140 km (0.038 R)
• M3: 930,050 km (0.109 R)
• M4: 1,246,749 km (0.087 R)
• M5: 2,279,124 km (0.119 R)
• M6: 3,441,349 km (0.099 R)
• M7: 3,854,838 km (0.059 R)
• M8: 4,551,366 km (0.089 R)
• M9: 5,050,723 km (0.064 R)
• M10: 5,884,881 km (0.104 R)
• M11: 8,413,085 km (0.114 R)
• M12: 9,772,331 km (0.11 R)
• M13: 11,805,067 km (0.051 R)
• M14: 12,132,537 km (0.06 R)
• M15: 13,268,583 km (0.045 R)
• M16: 13,742,210 km (0.117 R)
• M17: 19,954,262 km (0.091 R)
• M18: 21,777,710 km (0.1 R)
• M19: 29,884,119 km (0.119 R)
• M20: 36,242,179 km (0.076 R)
• M21: 40,534,141 km (0.114 R)
• M22: 41,784,032 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.9

Radius: 6.8

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.93 AU - 6.23 AU

Year: 9098 Days

Day: 19.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,001,604 km

• M1: 84,523 km (0.047 R)
• M2: 331,509 km (0.116 R)
• M3: 662,868 km (0.106 R)
• M4: 877,840 km (0.108 R)
• M5: 1,797,718 km (0.085 R)
• M6: 2,644,442 km (0.118 R)
• M7: 3,070,347 km (0.072 R)
• M8: 3,635,827 km (0.109 R)
• M9: 3,956,265 km (0.104 R)
• M10: 4,376,336 km (0.105 R)
• M11: 4,625,566 km (0.106 R)
• M12: 5,002,104 km (0.049 R)
• M13: 5,621,290 km (0.09 R)
• M14: 6,152,512 km (0.08 R)
• M15: 7,430,676 km (0.098 R)
• M16: 7,826,213 km (0.096 R)
• M17: 8,403,511 km (0.075 R)
• M18: 8,702,707 km (0.12 R)
• M19: 9,231,984 km (0.066 R)
• M20: 9,596,554 km (0.096 R)
• M21: 11,101,060 km (0.054 R)
• M22: 11,513,501 km (0.095 R)
• M23: 15,697,753 km (0.083 R)
• M24: 16,815,698 km (0.109 R)
• M25: 17,086,171 km (0.08 R)
• M26: 23,885,394 km (0.037 R)
• M27: 27,268,101 km (0.093 R)
• M28: 27,641,797 km (0.088 R)
• M29: 31,876,913 km (0.028 R)
• M30: 32,187,627 km (0.093 R)
• M31: 33,557,196 km (0.117 R)
• M32: 33,986,392 km (0.078 R)
• M33: 38,715,779 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741

Radius: 6.7

Gravity: 16.51 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.13 AU - 9.47 AU

Year: 19577 Days

Day: 20.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,001,604 km

• M1: 83,476 km (0.058 R)
• M2: 322,683 km (0.106 R)
• M3: 816,206 km (0.091 R)
• M4: 1,256,622 km (0.108 R)
• M5: 1,482,515 km (0.079 R)
• M6: 3,001,083 km (0.114 R)
• M7: 3,553,697 km (0.028 R)
• M8: 5,345,880 km (0.114 R)
• M9: 6,029,841 km (0.098 R)
• M10: 7,817,087 km (0.115 R)
• M11: 8,750,428 km (0.085 R)
• M12: 11,150,128 km (0.075 R)
• M13: 11,795,942 km (0.115 R)
• M14: 12,950,538 km (0.102 R)
• M15: 13,232,829 km (0.116 R)
• M16: 15,482,482 km (0.102 R)
• M17: 19,778,035 km (0.077 R)
• M18: 24,162,300 km (0.056 R)
• M19: 25,023,535 km (0.099 R)
• M20: 27,265,708 km (0.065 R)
• M21: 28,673,424 km (0.082 R)
• M22: 35,199,033 km (0.104 R)
• M23: 35,611,175 km (0.113 R)
• M24: 40,059,168 km (0.086 R)
• M25: 40,658,756 km (0.094 R)
• M26: 43,117,248 km (0.116 R)
• M27: 51,612,612 km (0.074 R)
• M28: 51,966,710 km (0.12 R)
• M29: 55,227,345 km (0.063 R)
• M30: 56,531,390 km (0.083 R)
• M31: 58,429,787 km (0.078 R)
• M32: 62,553,751 km (0.119 R)
• M33: 73,816,077 km (0.158 R)
• M34: 74,943,447 km (0.2 R)
• M35: 75,853,600 km (0.109 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 15,863 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit