🌌 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: 778

Radius: 9.3

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.57 AU - 0.81 AU

Year: 389 Days

Day: 5.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,127,535 km

• M1: 115,639 km (0.113 R)
• M2: 429,047 km (0.084 R)
• M3: 785,389 km (0.111 R)
• M4: 1,235,678 km (0.109 R)
• M5: 1,528,441 km (0.105 R)
• M6: 1,822,102 km (0.108 R)
• M7: 2,240,976 km (0.096 R)
• M8: 2,702,934 km (0.086 R)
• M9: 3,377,770 km (0.101 R)
• M10: 3,667,541 km (0.12 R)
• M11: 4,580,687 km (0.099 R)
• M12: 4,921,770 km (0.062 R)
• M13: 5,522,555 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390

Radius: 14.3

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.95 AU - 1.11 AU

Year: 709 Days

Day: 13.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,127,535 km

• M1: 177,872 km (0.097 R)
• M2: 835,654 km (0.1 R)
• M3: 1,795,922 km (0.066 R)
• M4: 3,156,665 km (0.115 R)
• M5: 3,752,513 km (0.061 R)
• M6: 5,338,699 km (0.039 R)
• M7: 6,115,112 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.5

Radius: 13.9

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.7 AU - 2.16 AU

Year: 1819 Days

Day: 15 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,127,535 km

• M1: 174,581 km (0.041 R)
• M2: 804,687 km (0.03 R)
• M3: 1,364,482 km (0.059 R)
• M4: 1,841,699 km (0.087 R)
• M5: 2,275,982 km (0.093 R)
• M6: 2,945,283 km (0.076 R)
• M7: 3,776,897 km (0.111 R)
• M8: 4,248,729 km (0.081 R)
• M9: 4,759,905 km (0.027 R)
• M10: 6,497,634 km (0.059 R)
• M11: 7,443,691 km (0.084 R)
• M12: 8,076,789 km (0.101 R)
• M13: 9,078,347 km (0.09 R)
• M14: 9,673,298 km (0.085 R)
• M15: 10,906,582 km (0.103 R)
• M16: 11,364,053 km (0.072 R)
• M17: 12,242,342 km (0.098 R)
• M18: 12,813,955 km (0.09 R)
• M19: 13,323,785 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.6

Radius: 12.3

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.21 AU - 2.29 AU

Year: 2289 Days

Day: 10.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,127,535 km

• M1: 163,959 km (0.032 R)
• M2: 562,937 km (0.047 R)
• M3: 1,385,426 km (0.08 R)
• M4: 2,122,046 km (0.048 R)
• M5: 2,816,180 km (0.098 R)
• M6: 4,060,236 km (0.115 R)
• M7: 6,812,089 km (0.095 R)
• M8: 7,455,210 km (0.063 R)
• M9: 7,896,075 km (0.103 R)
• M10: 8,606,216 km (0.093 R)
• M11: 10,260,918 km (0.111 R)
• M12: 10,659,895 km (0.083 R)
• M13: 11,683,295 km (0.105 R)
• M14: 12,118,624 km (0.098 R)
• M15: 12,854,347 km (0.109 R)
• M16: 14,146,573 km (0.068 R)
• M17: 14,595,965 km (0.064 R)
• M18: 15,054,931 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.1

Radius: 9.4

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.83 AU - 4.35 AU

Year: 4614 Days

Day: 8.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,127,535 km

• M1: 116,836 km (0.105 R)
• M2: 412,142 km (0.086 R)
• M3: 709,842 km (0.071 R)
• M4: 1,199,476 km (0.082 R)
• M5: 1,876,406 km (0.115 R)
• M6: 2,630,828 km (0.085 R)
• M7: 3,996,358 km (0.05 R)
• M8: 5,350,517 km (0.067 R)
• M9: 5,695,490 km (0.088 R)
• M10: 6,272,190 km (0.119 R)
• M11: 6,987,866 km (0.103 R)
• M12: 8,124,960 km (0.109 R)
• M13: 10,717,042 km (0.106 R)
• M14: 13,762,107 km (0.081 R)
• M15: 14,356,908 km (0.106 R)
• M16: 16,604,466 km (0.111 R)
• M17: 18,227,154 km (0.051 R)
• M18: 18,747,007 km (0.103 R)
• M19: 19,748,415 km (0.088 R)
• M20: 20,644,805 km (0.112 R)
• M21: 24,035,291 km (0.07 R)
• M22: 24,897,723 km (0.046 R)
• M23: 26,436,038 km (0.098 R)
• M24: 27,102,347 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.5

Radius: 9.9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.93 AU - 5.87 AU

Year: 7357 Days

Day: 11.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,127,535 km

• M1: 123,119 km (0.049 R)
• M2: 505,790 km (0.05 R)
• M3: 1,983,518 km (0.103 R)
• M4: 2,643,394 km (0.079 R)
• M5: 3,617,277 km (0.117 R)
• M6: 4,510,077 km (0.096 R)
• M7: 5,412,750 km (0.081 R)
• M8: 6,003,961 km (0.118 R)
• M9: 6,848,291 km (0.055 R)
• M10: 8,558,045 km (0.098 R)
• M11: 10,576,270 km (0.086 R)
• M12: 11,982,490 km (0.117 R)
• M13: 15,635,521 km (0.12 R)
• M14: 20,731,572 km (0.083 R)
• M15: 21,775,915 km (0.046 R)
• M16: 22,446,263 km (0.094 R)
• M17: 22,923,630 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302

Radius: 6.6

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.34 AU - 11.48 AU

Year: 21159 Days

Day: 17.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,127,535 km

• M1: 82,129 km (0.09 R)
• M2: 444,006 km (0.079 R)
• M3: 695,630 km (0.096 R)
• M4: 912,098 km (0.094 R)
• M5: 1,400,236 km (0.089 R)
• M6: 2,086,741 km (0.062 R)
• M7: 2,656,559 km (0.117 R)
• M8: 2,954,109 km (0.068 R)
• M9: 4,250,823 km (0.072 R)
• M10: 4,499,006 km (0.116 R)
• M11: 5,231,886 km (0.101 R)
• M12: 7,276,889 km (0.111 R)
• M13: 8,331,554 km (0.074 R)
• M14: 9,174,089 km (0.109 R)
• M15: 11,378,564 km (0.064 R)
• M16: 12,476,911 km (0.106 R)
• M17: 13,116,891 km (0.041 R)
• M18: 13,511,231 km (0.114 R)
• M19: 14,185,917 km (0.082 R)
• M20: 17,660,627 km (0.118 R)
• M21: 18,548,939 km (0.086 R)
• M22: 21,482,404 km (0.108 R)
• M23: 22,400,636 km (0.097 R)
• M24: 24,315,488 km (0.057 R)
• M25: 25,515,263 km (0.081 R)
• M26: 28,906,797 km (0.105 R)
• M27: 42,269,776 km (0.099 R)
• M28: 43,855,214 km (0.048 R)
• M29: 48,692,312 km (0.101 R)
• M30: 56,079,006 km (0.03 R)
• M31: 59,053,161 km (0.082 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 13,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit