🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.3

Radius: 10.5

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.85 AU - 1.17 AU

Year: 655 Days

Day: 9.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,762,714 km

• M1: 130,898 km (0.112 R)
• M2: 462,108 km (0.115 R)
• M3: 797,207 km (0.095 R)
• M4: 1,226,852 km (0.085 R)
• M5: 1,623,137 km (0.053 R)
• M6: 1,993,990 km (0.105 R)
• M7: 2,390,724 km (0.098 R)
• M8: 2,875,121 km (0.113 R)
• M9: 3,306,412 km (0.045 R)
• M10: 3,752,363 km (0.11 R)
• M11: 4,101,674 km (0.109 R)
• M12: 4,699,617 km (0.113 R)
• M13: 5,481,715 km (0.094 R)
• M14: 6,846,795 km (0.041 R)
• M15: 7,506,223 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516

Radius: 10.8

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.15 AU - 1.29 AU

Year: 870 Days

Day: 11.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,762,714 km

• M1: 134,339 km (0.1 R)
• M2: 741,108 km (0.111 R)
• M3: 1,219,971 km (0.113 R)
• M4: 1,630,617 km (0.119 R)
• M5: 2,879,460 km (0.105 R)
• M6: 3,819,982 km (0.115 R)
• M7: 4,664,013 km (0.115 R)
• M8: 5,166,213 km (0.076 R)
• M9: 5,859,150 km (0.055 R)
• M10: 6,402,938 km (0.069 R)
• M11: 6,936,404 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.2

Radius: 12.2

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.38 AU - 2.12 AU

Year: 1495 Days

Day: 11.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,762,714 km

• M1: 151,692 km (0.044 R)
• M2: 663,018 km (0.056 R)
• M3: 1,076,656 km (0.093 R)
• M4: 1,686,566 km (0.069 R)
• M5: 2,221,828 km (0.118 R)
• M6: 2,803,913 km (0.093 R)
• M7: 3,251,959 km (0.085 R)
• M8: 4,649,951 km (0.059 R)
• M9: 5,084,383 km (0.117 R)
• M10: 5,691,900 km (0.092 R)
• M11: 6,600,108 km (0.077 R)
• M12: 7,449,675 km (0.042 R)
• M13: 8,480,703 km (0.061 R)
• M14: 9,816,313 km (0.086 R)
• M15: 10,502,668 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.4

Radius: 9.1

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.47 AU - 2.89 AU

Year: 2833 Days

Day: 6.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,762,714 km

• M1: 113,246 km (0.088 R)
• M2: 403,765 km (0.099 R)
• M3: 722,707 km (0.102 R)
• M4: 1,363,285 km (0.089 R)
• M5: 2,006,107 km (0.114 R)
• M6: 2,589,838 km (0.052 R)
• M7: 4,392,941 km (0.084 R)
• M8: 4,684,657 km (0.116 R)
• M9: 6,009,047 km (0.036 R)
• M10: 6,317,069 km (0.105 R)
• M11: 7,133,574 km (0.104 R)
• M12: 9,242,904 km (0.033 R)
• M13: 12,632,194 km (0.056 R)
• M14: 14,103,638 km (0.075 R)
• M15: 14,511,592 km (0.112 R)
• M16: 16,321,277 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.6

Radius: 12.1

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.68 AU - 3.22 AU

Year: 3272 Days

Day: 10.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,762,714 km

• M1: 150,944 km (0.098 R)
• M2: 617,839 km (0.094 R)
• M3: 1,181,823 km (0.048 R)
• M4: 1,560,007 km (0.033 R)
• M5: 1,975,290 km (0.088 R)
• M6: 2,725,524 km (0.101 R)
• M7: 3,320,026 km (0.059 R)
• M8: 3,816,840 km (0.04 R)
• M9: 4,246,036 km (0.077 R)
• M10: 5,707,608 km (0.118 R)
• M11: 6,120,647 km (0.094 R)
• M12: 6,553,584 km (0.077 R)
• M13: 6,979,788 km (0.034 R)
• M14: 7,595,981 km (0.084 R)
• M15: 8,841,234 km (0.067 R)
• M16: 9,597,003 km (0.078 R)
• M17: 11,502,730 km (0.109 R)
• M18: 12,727,936 km (0.045 R)
• M19: 13,393,348 km (0.118 R)
• M20: 14,346,137 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.2

Radius: 14.4

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.26 AU - 3.36 AU

Year: 3888 Days

Day: 6 Hours

Environment

Temp: -207 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,762,714 km

• M1: 179,368 km (0.068 R)
• M2: 888,163 km (0.063 R)
• M3: 1,354,459 km (0.113 R)
• M4: 1,977,983 km (0.098 R)
• M5: 2,449,815 km (0.088 R)
• M6: 2,981,186 km (0.099 R)
• M7: 3,516,148 km (0.108 R)
• M8: 4,872,851 km (0.113 R)
• M9: 5,877,401 km (0.025 R)
• M10: 6,639,752 km (0.076 R)
• M11: 11,565,411 km (0.106 R)
• M12: 12,632,194 km (0.117 R)
• M13: 13,486,098 km (0.117 R)
• M14: 15,764,025 km (0.108 R)
• M15: 16,332,348 km (0.08 R)
• M16: 17,785,242 km (0.11 R)
• M17: 19,854,480 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.5

Radius: 12.3

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.3 AU - 4.52 AU

Year: 4992 Days

Day: 8.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,762,714 km

• M1: 153,039 km (0.099 R)
• M2: 815,907 km (0.091 R)
• M3: 2,048,444 km (0.075 R)
• M4: 2,952,912 km (0.03 R)
• M5: 3,465,734 km (0.081 R)
• M6: 4,060,685 km (0.116 R)
• M7: 6,615,068 km (0.08 R)
• M8: 8,117,031 km (0.112 R)
• M9: 10,093,219 km (0.053 R)
• M10: 13,341,437 km (0.057 R)
• M11: 13,818,056 km (0.091 R)
• M12: 14,974,597 km (0.102 R)
• M13: 15,489,663 km (0.101 R)
• M14: 16,016,397 km (0.106 R)
• M15: 18,051,077 km (0.025 R)
• M16: 23,154,459 km (0.036 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.8

Radius: 10.9

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.47 AU - 4.67 AU

Year: 6308 Days

Day: 10.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,762,714 km

• M1: 135,685 km (0.092 R)
• M2: 488,736 km (0.082 R)
• M3: 911,350 km (0.069 R)
• M4: 1,420,432 km (0.082 R)
• M5: 1,944,324 km (0.098 R)
• M6: 2,432,312 km (0.093 R)
• M7: 2,821,565 km (0.117 R)
• M8: 3,339,473 km (0.062 R)
• M9: 3,703,594 km (0.106 R)
• M10: 5,496,824 km (0.061 R)
• M11: 6,903,643 km (0.108 R)
• M12: 10,319,411 km (0.112 R)
• M13: 12,661,365 km (0.079 R)
• M14: 14,189,956 km (0.073 R)
• M15: 15,901,655 km (0.068 R)
• M16: 19,657,609 km (0.084 R)
• M17: 20,174,619 km (0.067 R)
• M18: 21,081,930 km (0.081 R)
• M19: 21,467,893 km (0.096 R)
• M20: 24,387,744 km (0.113 R)
• M21: 27,015,431 km (0.048 R)
• M22: 30,805,044 km (0.104 R)
• M23: 33,137,125 km (0.108 R)
• M24: 35,042,703 km (0.072 R)
• M25: 36,463,583 km (0.116 R)
• M26: 38,264,742 km (0.12 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.2

Radius: 13.4

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.23 AU - 5.15 AU

Year: 6558 Days

Day: 13.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,762,714 km

• M1: 170,691 km (0.071 R)
• M2: 792,719 km (0.101 R)
• M3: 1,695,542 km (0.064 R)
• M4: 2,391,172 km (0.095 R)
• M5: 3,037,734 km (0.102 R)
• M6: 3,516,597 km (0.076 R)
• M7: 5,145,868 km (0.071 R)
• M8: 5,863,638 km (0.084 R)
• M9: 6,298,220 km (0.083 R)
• M10: 6,899,155 km (0.062 R)
• M11: 9,154,193 km (0.064 R)
• M12: 12,507,280 km (0.037 R)
• M13: 13,117,788 km (0.111 R)
• M14: 14,884,240 km (0.055 R)
• M15: 17,343,180 km (0.098 R)
• M16: 19,029,298 km (0.106 R)
• M17: 19,837,575 km (0.045 R)
• M18: 20,976,464 km (0.08 R)
• M19: 24,483,337 km (0.049 R)
• M20: 25,793,665 km (0.036 R)
• M21: 26,874,958 km (0.084 R)
• M22: 28,363,607 km (0.085 R)
• M23: 29,321,631 km (0.082 R)
• M24: 30,202,015 km (0.069 R)
• M25: 32,221,736 km (0.109 R)
• M26: 34,222,458 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.8

Radius: 6.3

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.86 AU - 9.54 AU

Year: 16569 Days

Day: 18.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,762,714 km

• M1: 81,082 km (0.065 R)
• M2: 323,730 km (0.102 R)
• M3: 545,583 km (0.114 R)
• M4: 1,954,496 km (0.099 R)
• M5: 2,725,374 km (0.078 R)
• M6: 4,721,010 km (0.092 R)
• M7: 6,783,216 km (0.12 R)
• M8: 7,658,513 km (0.095 R)
• M9: 9,783,850 km (0.102 R)
• M10: 10,464,371 km (0.044 R)
• M11: 10,953,706 km (0.116 R)
• M12: 11,802,973 km (0.081 R)
• M13: 15,923,796 km (0.109 R)
• M14: 22,038,908 km (0.04 R)
• M15: 26,152,550 km (0.083 R)
• M16: 35,010,988 km (0.094 R)
• M17: 48,609,435 km (0.056 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 19,012 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit