🌌 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 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.49 AU - 0.59 AU

Year: 260 Days

Day: 21.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,161,957 km

• M1: 87,365 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.2

Radius: 8.3

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.72 AU - 1.08 AU

Year: 560 Days

Day: 13.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,161,957 km

• M1: 103,522 km (0.099 R)
• M2: 396,734 km (0.04 R)
• M3: 949,797 km (0.059 R)
• M4: 1,365,978 km (0.1 R)
• M5: 1,970,354 km (0.097 R)
• M6: 2,996,146 km (0.119 R)
• M7: 3,278,737 km (0.063 R)
• M8: 3,701,650 km (0.111 R)
• M9: 4,311,411 km (0.084 R)
• M10: 4,969,641 km (0.114 R)
• M11: 5,674,846 km (0.08 R)
• M12: 5,993,938 km (0.117 R)
• M13: 6,444,975 km (0.114 R)
• M14: 7,024,218 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.9

Radius: 11.5

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.64 AU - 2.34 AU

Year: 1842 Days

Day: 13.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,161,957 km

• M1: 143,165 km (0.105 R)
• M2: 541,993 km (0.049 R)
• M3: 905,965 km (0.079 R)
• M4: 1,379,741 km (0.068 R)
• M5: 2,199,089 km (0.114 R)
• M6: 3,863,814 km (0.075 R)
• M7: 4,698,121 km (0.094 R)
• M8: 5,505,650 km (0.095 R)
• M9: 6,119,151 km (0.061 R)
• M10: 6,723,228 km (0.091 R)
• M11: 7,898,768 km (0.042 R)
• M12: 8,583,627 km (0.104 R)
• M13: 9,894,702 km (0.047 R)
• M14: 10,690,862 km (0.073 R)
• M15: 11,568,403 km (0.074 R)
• M16: 13,293,865 km (0.103 R)
• M17: 13,905,421 km (0.088 R)
• M18: 14,673,307 km (0.081 R)
• M19: 15,232,055 km (0.034 R)
• M20: 16,741,498 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.9

Radius: 9.5

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.5 AU - 3.6 AU

Year: 3494 Days

Day: 5.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,161,957 km

• M1: 118,182 km (0.05 R)
• M2: 490,531 km (0.1 R)
• M3: 925,562 km (0.069 R)
• M4: 1,489,696 km (0.11 R)
• M5: 2,113,668 km (0.047 R)
• M6: 2,817,825 km (0.066 R)
• M7: 3,375,526 km (0.114 R)
• M8: 5,131,805 km (0.097 R)
• M9: 5,604,834 km (0.093 R)
• M10: 6,368,681 km (0.055 R)
• M11: 7,394,772 km (0.062 R)
• M12: 7,827,858 km (0.101 R)
• M13: 8,635,687 km (0.089 R)
• M14: 9,614,805 km (0.097 R)
• M15: 9,930,456 km (0.1 R)
• M16: 11,090,139 km (0.06 R)
• M17: 11,525,469 km (0.073 R)
• M18: 12,430,386 km (0.066 R)
• M19: 12,805,428 km (0.075 R)
• M20: 14,899,350 km (0.044 R)
• M21: 15,269,305 km (0.12 R)
• M22: 15,699,698 km (0.091 R)
• M23: 16,138,020 km (0.105 R)
• M24: 17,269,728 km (0.109 R)
• M25: 17,855,104 km (0.112 R)
• M26: 19,127,285 km (0.099 R)
• M27: 22,192,096 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.7

Radius: 9.1

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.12 AU - 4.92 AU

Year: 5287 Days

Day: 7 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,161,957 km

• M1: 116,088 km (0.083 R)
• M2: 1,619,247 km (0.115 R)
• M3: 2,037,373 km (0.108 R)
• M4: 2,355,269 km (0.111 R)
• M5: 3,220,393 km (0.051 R)
• M6: 5,872,913 km (0.091 R)
• M7: 7,242,482 km (0.04 R)
• M8: 7,586,557 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.9

Radius: 4.3

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.71 AU - 7.77 AU

Year: 10226 Days

Day: 18.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,161,957 km

• M1: 53,556 km (0.093 R)
• M2: 254,915 km (0.09 R)
• M3: 844,480 km (0.112 R)
• M4: 1,044,343 km (0.104 R)
• M5: 1,201,420 km (0.089 R)
• M6: 1,601,445 km (0.084 R)
• M7: 1,909,467 km (0.067 R)
• M8: 2,936,606 km (0.065 R)
• M9: 5,406,617 km (0.109 R)
• M10: 6,221,925 km (0.093 R)
• M11: 7,012,699 km (0.112 R)
• M12: 7,503,680 km (0.056 R)
• M13: 8,206,341 km (0.088 R)
• M14: 8,751,475 km (0.104 R)
• M15: 9,445,310 km (0.114 R)
• M16: 10,307,742 km (0.111 R)
• M17: 11,268,460 km (0.107 R)
• M18: 11,505,722 km (0.106 R)
• M19: 11,843,514 km (0.078 R)
• M20: 14,395,504 km (0.104 R)
• M21: 14,957,842 km (0.115 R)
• M22: 15,887,892 km (0.093 R)
• M23: 17,417,231 km (0.112 R)
• M24: 18,511,540 km (0.071 R)
• M25: 18,975,144 km (0.117 R)
• M26: 19,925,688 km (0.038 R)
• M27: 21,121,873 km (0.035 R)
• M28: 21,847,572 km (0.119 R)
• M29: 22,815,470 km (0.082 R)
• M30: 24,123,853 km (0.096 R)
• M31: 24,518,044 km (0.051 R)
• M32: 25,808,176 km (0.115 R)
• M33: 28,698,856 km (0.052 R)
• M34: 29,768,480 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.4

Radius: 7.5

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.52 AU - 8.88 AU

Year: 14017 Days

Day: 21.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,161,957 km

• M1: 137,480 km (0.103 R)
• M2: 451,935 km (0.092 R)
• M3: 967,749 km (0.114 R)
• M4: 1,859,502 km (0.094 R)
• M5: 2,204,474 km (0.105 R)
• M6: 2,591,783 km (0.043 R)
• M7: 3,086,204 km (0.071 R)
• M8: 3,784,677 km (0.091 R)
• M9: 6,978,292 km (0.072 R)
• M10: 7,579,975 km (0.119 R)
• M11: 7,814,245 km (0.115 R)
• M12: 8,053,452 km (0.11 R)
• M13: 8,504,639 km (0.112 R)
• M14: 9,729,546 km (0.116 R)
• M15: 10,480,079 km (0.071 R)
• M16: 11,729,221 km (0.117 R)
• M17: 12,362,918 km (0.114 R)
• M18: 12,852,851 km (0.065 R)
• M19: 16,982,949 km (0.073 R)
• M20: 23,453,655 km (0.117 R)
• M21: 27,095,017 km (0.114 R)
• M22: 31,096,161 km (0.12 R)
• M23: 36,574,286 km (0.093 R)
• M24: 37,357,580 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.3

Radius: 7.4

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.13 AU - 10.25 AU

Year: 18276 Days

Day: 21.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,161,957 km

• M1: 92,003 km (0.113 R)
• M2: 341,532 km (0.062 R)
• M3: 1,368,821 km (0.095 R)
• M4: 2,013,587 km (0.102 R)
• M5: 3,185,387 km (0.056 R)
• M6: 3,745,631 km (0.088 R)
• M7: 4,245,887 km (0.109 R)
• M8: 4,992,679 km (0.029 R)
• M9: 5,823,845 km (0.056 R)
• M10: 7,574,739 km (0.104 R)
• M11: 7,897,421 km (0.116 R)
• M12: 12,202,549 km (0.107 R)
• M13: 13,166,707 km (0.105 R)
• M14: 13,633,602 km (0.118 R)
• M15: 13,973,937 km (0.097 R)
• M16: 14,742,272 km (0.085 R)
• M17: 17,137,932 km (0.107 R)
• M18: 18,928,020 km (0.104 R)
• M19: 20,217,703 km (0.092 R)
• M20: 21,934,189 km (0.119 R)
• M21: 23,066,944 km (0.098 R)
• M22: 25,654,389 km (0.071 R)
• M23: 29,774,614 km (0.106 R)
• M24: 31,515,634 km (0.105 R)
• M25: 36,619,016 km (0.106 R)
• M26: 37,409,192 km (0.052 R)
• M27: 37,675,177 km (0.092 R)
• M28: 38,887,368 km (0.119 R)
• M29: 39,160,235 km (0.111 R)
• M30: 40,264,566 km (0.112 R)
• M31: 42,970,343 km (0.101 R)
• M32: 44,740,385 km (0.11 R)
• M33: 53,309,201 km (0.116 R)
• M34: 55,696,783 km (0.042 R)
• M35: 61,235,495 km (0.11 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 16,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit