🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.52 AU - 0.66 AU

Year: 297 Days

Day: 21.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,347,896 km

• M1: 36,352 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550

Radius: 13.4

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.56 AU - 0.82 AU

Year: 376 Days

Day: 9.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,347,896 km

• M1: 166,652 km (0.119 R)
• M2: 640,129 km (0.084 R)
• M3: 1,195,137 km (0.1 R)
• M4: 2,173,358 km (0.048 R)
• M5: 2,773,545 km (0.107 R)
• M6: 3,316,734 km (0.093 R)
• M7: 4,117,532 km (0.12 R)
• M8: 4,771,723 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.2

Radius: 8.1

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.53 AU - 2.19 AU

Year: 1664 Days

Day: 8.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 115.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,347,896 km

• M1: 101,577 km (0.038 R)
• M2: 481,855 km (0.112 R)
• M3: 825,930 km (0.114 R)
• M4: 1,626,727 km (0.092 R)
• M5: 1,936,395 km (0.066 R)
• M6: 2,253,842 km (0.092 R)
• M7: 2,981,635 km (0.11 R)
• M8: 3,435,066 km (0.106 R)
• M9: 3,752,363 km (0.071 R)
• M10: 4,281,491 km (0.112 R)
• M11: 4,771,125 km (0.112 R)
• M12: 5,373,256 km (0.077 R)
• M13: 6,423,583 km (0.109 R)
• M14: 7,227,073 km (0.079 R)
• M15: 7,604,957 km (0.113 R)
• M16: 8,978,565 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.6

Radius: 12.7

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.37 AU - 2.41 AU

Year: 2424 Days

Day: 14.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 60 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,347,896 km

• M1: 157,975 km (0.063 R)
• M2: 581,936 km (0.098 R)
• M3: 1,110,764 km (0.114 R)
• M4: 1,867,131 km (0.108 R)
• M5: 2,851,485 km (0.117 R)
• M6: 3,787,968 km (0.116 R)
• M7: 4,256,508 km (0.096 R)
• M8: 4,741,953 km (0.083 R)
• M9: 5,600,944 km (0.084 R)
• M10: 6,106,884 km (0.1 R)
• M11: 7,299,030 km (0.069 R)
• M12: 7,904,003 km (0.116 R)
• M13: 8,347,112 km (0.096 R)
• M14: 9,563,493 km (0.077 R)
• M15: 10,140,641 km (0.099 R)
• M16: 11,127,987 km (0.119 R)
• M17: 11,564,663 km (0.108 R)
• M18: 12,387,900 km (0.086 R)
• M19: 13,650,656 km (0.032 R)
• M20: 14,383,237 km (0.09 R)
• M21: 14,949,614 km (0.037 R)
• M22: 16,076,834 km (0.119 R)
• M23: 17,846,128 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.2

Radius: 15

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.03 AU - 2.99 AU

Year: 2609 Days

Day: 11 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,347,896 km

• M1: 196,871 km (0.119 R)
• M2: 705,952 km (0.088 R)
• M3: 1,245,701 km (0.108 R)
• M4: 1,862,643 km (0.106 R)
• M5: 6,641,098 km (0.101 R)
• M6: 9,295,114 km (0.101 R)
• M7: 10,075,417 km (0.118 R)
• M8: 10,818,768 km (0.102 R)
• M9: 12,327,613 km (0.067 R)
• M10: 14,020,462 km (0.047 R)
• M11: 16,335,639 km (0.117 R)
• M12: 18,203,667 km (0.076 R)
• M13: 19,665,388 km (0.026 R)
• M14: 20,827,764 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.9

Radius: 9.2

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.44 AU - 3.22 AU

Year: 3123 Days

Day: 5.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,347,896 km

• M1: 115,639 km (0.102 R)
• M2: 436,826 km (0.116 R)
• M3: 908,059 km (0.099 R)
• M4: 1,357,601 km (0.116 R)
• M5: 1,951,205 km (0.069 R)
• M6: 2,362,749 km (0.058 R)
• M7: 3,172,223 km (0.109 R)
• M8: 3,540,084 km (0.119 R)
• M9: 4,510,974 km (0.102 R)
• M10: 5,093,508 km (0.084 R)
• M11: 7,412,574 km (0.062 R)
• M12: 7,873,635 km (0.091 R)
• M13: 11,614,928 km (0.095 R)
• M14: 12,664,956 km (0.077 R)
• M15: 13,279,953 km (0.105 R)
• M16: 18,655,902 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.2

Radius: 9.1

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.6 AU - 6.42 AU

Year: 8485 Days

Day: 9 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,347,896 km

• M1: 113,246 km (0.074 R)
• M2: 496,366 km (0.084 R)
• M3: 818,300 km (0.074 R)
• M4: 2,098,409 km (0.086 R)
• M5: 5,166,961 km (0.046 R)
• M6: 5,487,998 km (0.101 R)
• M7: 9,056,057 km (0.118 R)
• M8: 9,667,762 km (0.102 R)
• M9: 10,458,088 km (0.104 R)
• M10: 10,869,033 km (0.079 R)
• M11: 13,265,890 km (0.056 R)
• M12: 14,555,574 km (0.094 R)
• M13: 15,068,395 km (0.09 R)
• M14: 15,792,898 km (0.114 R)
• M15: 16,678,966 km (0.119 R)
• M16: 18,475,487 km (0.115 R)
• M17: 19,000,874 km (0.058 R)
• M18: 19,382,050 km (0.082 R)
• M19: 20,081,270 km (0.066 R)
• M20: 20,476,957 km (0.073 R)
• M21: 21,944,661 km (0.083 R)
• M22: 24,724,788 km (0.088 R)
• M23: 25,547,128 km (0.105 R)
• M24: 25,918,429 km (0.054 R)
• M25: 26,862,392 km (0.099 R)
• M26: 27,536,630 km (0.097 R)
• M27: 33,787,128 km (0.055 R)
• M28: 34,234,725 km (0.117 R)
• M29: 37,359,375 km (0.093 R)
• M30: 38,078,642 km (0.117 R)
• M31: 40,669,079 km (0.117 R)
• M32: 41,048,609 km (0.117 R)
• M33: 42,330,363 km (0.031 R)
• M34: 43,506,651 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879.8

Radius: 7.4

Gravity: 16.07 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.68 AU - 9.06 AU

Year: 15885 Days

Day: 23.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,347,896 km

• M1: 100,380 km (0.095 R)
• M2: 382,223 km (0.109 R)
• M3: 766,988 km (0.1 R)
• M4: 1,159,533 km (0.111 R)
• M5: 1,697,637 km (0.038 R)
• M6: 2,062,805 km (0.042 R)
• M7: 2,637,859 km (0.119 R)
• M8: 3,001,083 km (0.111 R)
• M9: 3,738,900 km (0.083 R)
• M10: 4,868,214 km (0.109 R)
• M11: 5,155,442 km (0.061 R)
• M12: 5,685,317 km (0.114 R)
• M13: 6,004,111 km (0.095 R)
• M14: 7,588,950 km (0.106 R)
• M15: 8,375,686 km (0.093 R)
• M16: 9,434,240 km (0.025 R)
• M17: 10,819,068 km (0.103 R)
• M18: 11,123,798 km (0.088 R)
• M19: 15,936,063 km (0.108 R)
• M20: 16,894,387 km (0.071 R)
• M21: 17,222,305 km (0.066 R)
• M22: 21,590,413 km (0.054 R)
• M23: 22,171,452 km (0.114 R)
• M24: 24,600,173 km (0.113 R)
• M25: 26,095,853 km (0.037 R)
• M26: 26,424,220 km (0.096 R)
• M27: 29,385,360 km (0.107 R)
• M28: 32,057,777 km (0.042 R)
• M29: 37,048,212 km (0.105 R)
• M30: 46,742,603 km (0.039 R)
• M31: 49,698,507 km (0.06 R)
• M32: 53,477,499 km (0.092 R)
• M33: 57,075,328 km (0.054 R)
• M34: 65,350,633 km (0.103 R)
• M35: 69,878,063 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.8

Radius: 5.1

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.76 AU - 10.46 AU

Year: 16573 Days

Day: 22.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,347,896 km

• M1: 63,429 km (0.098 R)
• M2: 256,710 km (0.112 R)
• M3: 449,691 km (0.093 R)
• M4: 975,677 km (0.104 R)
• M5: 1,162,824 km (0.075 R)
• M6: 3,200,796 km (0.094 R)
• M7: 3,491,764 km (0.109 R)
• M8: 3,879,970 km (0.117 R)
• M9: 5,120,586 km (0.115 R)
• M10: 5,587,181 km (0.111 R)
• M11: 6,045,250 km (0.026 R)
• M12: 6,265,009 km (0.117 R)
• M13: 9,046,632 km (0.111 R)
• M14: 9,978,627 km (0.117 R)
• M15: 11,190,370 km (0.114 R)
• M16: 11,690,176 km (0.103 R)
• M17: 15,889,089 km (0.083 R)
• M18: 16,378,424 km (0.073 R)
• M19: 17,314,009 km (0.117 R)
• M20: 19,055,478 km (0.056 R)
• M21: 20,089,648 km (0.095 R)
• M22: 20,661,860 km (0.057 R)
• M23: 22,356,355 km (0.087 R)
• M24: 24,974,766 km (0.068 R)
• M25: 28,194,860 km (0.101 R)
• M26: 31,461,928 km (0.091 R)
• M27: 33,356,585 km (0.119 R)
• M28: 33,927,899 km (0.101 R)
• M29: 36,640,558 km (0.11 R)
• M30: 43,842,498 km (0.091 R)
• M31: 44,390,326 km (0.094 R)
• M32: 48,062,804 km (0.038 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.6

Radius: 4.8

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 8.57 AU - 12.43 AU

Year: 22320 Days

Day: 16.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,347,896 km

• M1: 59,690 km (0.07 R)
• M2: 535,860 km (0.028 R)
• M3: 878,439 km (0.116 R)
• M4: 1,205,759 km (0.059 R)
• M5: 2,081,654 km (0.066 R)
• M6: 2,380,551 km (0.1 R)
• M7: 2,776,387 km (0.108 R)
• M8: 2,965,778 km (0.105 R)
• M9: 3,783,031 km (0.063 R)
• M10: 4,046,174 km (0.089 R)
• M11: 4,576,348 km (0.08 R)
• M12: 7,432,770 km (0.103 R)
• M13: 8,468,885 km (0.112 R)
• M14: 8,970,337 km (0.073 R)
• M15: 10,198,386 km (0.113 R)
• M16: 10,536,328 km (0.114 R)
• M17: 12,917,477 km (0.117 R)
• M18: 14,976,692 km (0.105 R)
• M19: 16,008,468 km (0.1 R)
• M20: 16,464,891 km (0.09 R)
• M21: 17,324,032 km (0.054 R)
• M22: 21,242,000 km (0.112 R)
• M23: 23,211,905 km (0.095 R)
• M24: 24,390,586 km (0.049 R)
• M25: 27,294,879 km (0.085 R)
• M26: 32,795,743 km (0.078 R)
• M27: 42,942,966 km (0.06 R)
• M28: 45,619,272 km (0.115 R)
• M29: 47,776,174 km (0.111 R)
• M30: 49,357,873 km (0.09 R)
• M31: 52,458,588 km (0.105 R)
• M32: 52,625,240 km (0.079 R)
• M33: 55,859,995 km (0.095 R)
• M34: 60,132,360 km (0.102 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: 397 - 11,199 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit