🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223

Radius: 9.6

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.42 AU - 0.66 AU

Year: 265 Days

Day: 11.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,759,934 km

• M1: 119,529 km (0.074 R)
• M2: 439,818 km (0.103 R)
• M3: 930,499 km (0.072 R)
• M4: 1,357,152 km (0.082 R)
• M5: 2,452,208 km (0.117 R)
• M6: 2,762,923 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.1

Radius: 11.8

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.57 AU - 0.87 AU

Year: 407 Days

Day: 14.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,759,934 km

• M1: 146,756 km (0.05 R)
• M2: 524,789 km (0.088 R)
• M3: 974,032 km (0.057 R)
• M4: 1,920,089 km (0.082 R)
• M5: 2,308,295 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.1

Radius: 13.1

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.87 AU - 0.99 AU

Year: 598 Days

Day: 8.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,759,934 km

• M1: 175,927 km (0.071 R)
• M2: 999,912 km (0.117 R)
• M3: 1,501,514 km (0.04 R)
• M4: 2,016,729 km (0.107 R)
• M5: 2,717,894 km (0.079 R)
• M6: 3,721,845 km (0.064 R)
• M7: 4,959,469 km (0.106 R)
• M8: 5,518,965 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.1

Radius: 15

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.1 AU - 1.34 AU

Year: 899 Days

Day: 9.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,759,934 km

• M1: 186,698 km (0.102 R)
• M2: 688,749 km (0.081 R)
• M3: 1,473,988 km (0.062 R)
• M4: 2,316,224 km (0.061 R)
• M5: 2,797,031 km (0.077 R)
• M6: 3,450,026 km (0.047 R)
• M7: 4,280,294 km (0.097 R)
• M8: 5,152,450 km (0.09 R)
• M9: 5,622,187 km (0.076 R)
• M10: 6,219,980 km (0.06 R)
• M11: 7,032,147 km (0.087 R)
• M12: 8,272,613 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.1

Radius: 13.3

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.36 AU - 1.52 AU

Year: 1152 Days

Day: 11.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,759,934 km

• M1: 165,455 km (0.11 R)
• M2: 585,526 km (0.067 R)
• M3: 1,130,362 km (0.083 R)
• M4: 1,954,496 km (0.109 R)
• M5: 2,391,172 km (0.106 R)
• M6: 2,906,687 km (0.036 R)
• M7: 3,602,167 km (0.055 R)
• M8: 4,353,747 km (0.065 R)
• M9: 4,860,884 km (0.081 R)
• M10: 6,060,210 km (0.098 R)
• M11: 6,859,810 km (0.079 R)
• M12: 8,311,658 km (0.063 R)
• M13: 9,211,938 km (0.116 R)
• M14: 9,746,301 km (0.105 R)
• M15: 10,586,593 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.4

Radius: 8.2

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.74 AU - 2.02 AU

Year: 1719 Days

Day: 14 Hours

Environment

Temp: -196 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,759,934 km

• M1: 102,175 km (0.099 R)
• M2: 542,442 km (0.097 R)
• M3: 881,879 km (0.038 R)
• M4: 1,488,349 km (0.081 R)
• M5: 2,778,032 km (0.117 R)
• M6: 3,954,321 km (0.093 R)
• M7: 4,234,817 km (0.11 R)
• M8: 5,042,495 km (0.118 R)
• M9: 5,759,668 km (0.091 R)
• M10: 6,475,045 km (0.113 R)
• M11: 7,007,912 km (0.098 R)
• M12: 7,848,503 km (0.09 R)
• M13: 9,319,648 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.8

Radius: 11.4

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.63 AU - 2.55 AU

Year: 2015 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,759,934 km

• M1: 141,819 km (0.116 R)
• M2: 688,150 km (0.094 R)
• M3: 1,268,889 km (0.093 R)
• M4: 2,737,791 km (0.096 R)
• M5: 3,513,456 km (0.072 R)
• M6: 4,429,892 km (0.114 R)
• M7: 4,998,214 km (0.098 R)
• M8: 7,651,931 km (0.048 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.3

Radius: 8.3

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.62 AU - 3.74 AU

Year: 3782 Days

Day: 8.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,759,934 km

• M1: 103,223 km (0.061 R)
• M2: 396,135 km (0.046 R)
• M3: 676,482 km (0.077 R)
• M4: 1,108,221 km (0.046 R)
• M5: 1,467,555 km (0.11 R)
• M6: 1,789,191 km (0.1 R)
• M7: 2,053,380 km (0.102 R)
• M8: 2,435,154 km (0.056 R)
• M9: 3,117,021 km (0.06 R)
• M10: 4,116,185 km (0.036 R)
• M11: 4,725,797 km (0.113 R)
• M12: 5,414,396 km (0.032 R)
• M13: 5,824,892 km (0.094 R)
• M14: 8,491,774 km (0.118 R)
• M15: 10,539,170 km (0.072 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.3

Radius: 12.6

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.49 AU - 3.97 AU

Year: 4804 Days

Day: 6.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,759,934 km

• M1: 157,227 km (0.032 R)
• M2: 564,433 km (0.117 R)
• M3: 1,024,596 km (0.035 R)
• M4: 1,680,732 km (0.051 R)
• M5: 2,092,126 km (0.094 R)
• M6: 2,919,103 km (0.102 R)
• M7: 3,647,645 km (0.12 R)
• M8: 4,718,766 km (0.082 R)
• M9: 5,870,520 km (0.114 R)
• M10: 6,576,322 km (0.072 R)
• M11: 7,201,342 km (0.096 R)
• M12: 8,647,206 km (0.073 R)
• M13: 9,644,425 km (0.078 R)
• M14: 12,744,841 km (0.049 R)
• M15: 13,613,257 km (0.083 R)
• M16: 14,357,805 km (0.053 R)
• M17: 14,850,581 km (0.058 R)
• M18: 15,754,451 km (0.11 R)
• M19: 16,515,755 km (0.081 R)
• M20: 17,057,000 km (0.108 R)
• M21: 18,238,524 km (0.03 R)
• M22: 19,674,065 km (0.084 R)
• M23: 20,556,842 km (0.034 R)
• M24: 21,537,157 km (0.107 R)
• M25: 25,135,285 km (0.111 R)
• M26: 28,425,091 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.2

Radius: 8

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 8.94 AU - 11.86 AU

Year: 22366 Days

Day: 16.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,759,934 km

• M1: 99,483 km (0.102 R)
• M2: 473,328 km (0.086 R)
• M3: 1,021,005 km (0.113 R)
• M4: 1,290,132 km (0.045 R)
• M5: 2,951,865 km (0.074 R)
• M6: 3,282,626 km (0.088 R)
• M7: 3,637,771 km (0.113 R)
• M8: 4,924,463 km (0.117 R)
• M9: 9,174,089 km (0.112 R)
• M10: 10,677,997 km (0.036 R)
• M11: 11,574,686 km (0.093 R)
• M12: 12,826,521 km (0.114 R)
• M13: 22,020,807 km (0.086 R)
• M14: 23,193,205 km (0.114 R)
• M15: 23,841,562 km (0.063 R)
• M16: 32,131,977 km (0.108 R)
• M17: 34,708,950 km (0.099 R)
• M18: 40,270,400 km (0.083 R)
• M19: 48,470,608 km (0.089 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 12,676 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit