🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.8

Radius: 8.8

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.63 AU - 0.77 AU

Year: 404 Days

Day: 6.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,678,084 km

• M1: 109,506 km (0.054 R)
• M2: 393,442 km (0.045 R)
• M3: 794,963 km (0.059 R)
• M4: 1,093,860 km (0.082 R)
• M5: 1,508,695 km (0.113 R)
• M6: 1,828,834 km (0.098 R)
• M7: 2,850,139 km (0.088 R)
• M8: 3,252,407 km (0.1 R)
• M9: 3,545,470 km (0.07 R)
• M10: 3,972,422 km (0.109 R)
• M11: 4,764,991 km (0.072 R)
• M12: 5,446,110 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.3

Radius: 10.1

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.67 AU - 0.91 AU

Year: 485 Days

Day: 13.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,678,084 km

• M1: 125,662 km (0.119 R)
• M2: 491,279 km (0.047 R)
• M3: 999,164 km (0.109 R)
• M4: 2,019,422 km (0.07 R)
• M5: 2,396,558 km (0.039 R)
• M6: 2,863,752 km (0.1 R)
• M7: 3,464,238 km (0.03 R)
• M8: 3,834,343 km (0.102 R)
• M9: 5,571,025 km (0.059 R)
• M10: 5,955,342 km (0.105 R)
• M11: 6,338,462 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.7

Radius: 8.3

Gravity: 13.7 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.77 AU - 1.97 AU

Year: 1765 Days

Day: 5.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,678,084 km

• M1: 103,223 km (0.113 R)
• M2: 410,048 km (0.117 R)
• M3: 724,652 km (0.117 R)
• M4: 1,178,682 km (0.119 R)
• M5: 1,913,506 km (0.113 R)
• M6: 2,572,335 km (0.106 R)
• M7: 3,079,771 km (0.116 R)
• M8: 3,528,864 km (0.117 R)
• M9: 4,002,042 km (0.115 R)
• M10: 4,876,741 km (0.086 R)
• M11: 5,255,822 km (0.038 R)
• M12: 6,672,215 km (0.084 R)
• M13: 7,837,283 km (0.054 R)
• M14: 8,611,153 km (0.095 R)
• M15: 9,299,752 km (0.089 R)
• M16: 9,989,248 km (0.095 R)
• M17: 10,310,435 km (0.079 R)
• M18: 11,048,850 km (0.109 R)
• M19: 13,868,770 km (0.088 R)
• M20: 14,952,606 km (0.104 R)
• M21: 16,287,319 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.5

Radius: 13

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.57 AU - 2.81 AU

Year: 3045 Days

Day: 8.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,678,084 km

• M1: 161,715 km (0.112 R)
• M2: 572,361 km (0.103 R)
• M3: 1,127,519 km (0.063 R)
• M4: 1,729,202 km (0.074 R)
• M5: 2,137,903 km (0.096 R)
• M6: 2,568,745 km (0.114 R)
• M7: 3,106,849 km (0.101 R)
• M8: 4,412,539 km (0.119 R)
• M9: 5,213,336 km (0.119 R)
• M10: 6,902,446 km (0.114 R)
• M11: 7,339,421 km (0.055 R)
• M12: 7,982,243 km (0.037 R)
• M13: 8,596,043 km (0.104 R)
• M14: 10,064,945 km (0.105 R)
• M15: 10,704,924 km (0.077 R)
• M16: 13,271,725 km (0.07 R)
• M17: 13,812,222 km (0.106 R)
• M18: 14,227,206 km (0.107 R)
• M19: 16,173,774 km (0.084 R)
• M20: 17,908,511 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.8

Radius: 14.5

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.58 AU - 5.12 AU

Year: 6262 Days

Day: 6.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,678,084 km

• M1: 180,565 km (0.103 R)
• M2: 885,320 km (0.107 R)
• M3: 1,499,419 km (0.094 R)
• M4: 2,026,303 km (0.066 R)
• M5: 2,677,503 km (0.062 R)
• M6: 3,400,509 km (0.029 R)
• M7: 5,328,676 km (0.114 R)
• M8: 6,896,462 km (0.094 R)
• M9: 7,369,939 km (0.106 R)
• M10: 8,022,036 km (0.079 R)
• M11: 8,505,387 km (0.12 R)
• M12: 10,732,750 km (0.102 R)
• M13: 11,270,853 km (0.109 R)
• M14: 11,981,742 km (0.026 R)
• M15: 12,939,617 km (0.104 R)
• M16: 19,287,504 km (0.032 R)
• M17: 19,792,247 km (0.096 R)
• M18: 20,603,068 km (0.098 R)
• M19: 27,726,320 km (0.11 R)
• M20: 29,211,527 km (0.086 R)
• M21: 35,903,040 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.8

Radius: 3.6

Gravity: 65.88 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.63 AU - 7.57 AU

Year: 10399 Days

Day: 21.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 75,678,084 km

• M1: 44,730 km (0.097 R)
• M2: 249,529 km (0.107 R)
• M3: 419,173 km (0.116 R)
• M4: 556,055 km (0.111 R)
• M5: 671,844 km (0.075 R)
• M6: 1,040,453 km (0.117 R)
• M7: 1,206,058 km (0.069 R)
• M8: 2,533,739 km (0.047 R)
• M9: 2,724,476 km (0.103 R)
• M10: 2,857,020 km (0.09 R)
• M11: 3,207,229 km (0.114 R)
• M12: 3,611,592 km (0.066 R)
• M13: 3,908,693 km (0.06 R)
• M14: 4,399,524 km (0.112 R)
• M15: 5,094,107 km (0.064 R)
• M16: 6,005,906 km (0.106 R)
• M17: 7,526,568 km (0.093 R)
• M18: 8,010,517 km (0.062 R)
• M19: 8,375,237 km (0.056 R)
• M20: 8,561,785 km (0.037 R)
• M21: 9,945,865 km (0.119 R)
• M22: 11,818,381 km (0.042 R)
• M23: 12,290,811 km (0.115 R)
• M24: 13,654,994 km (0.073 R)
• M25: 14,174,997 km (0.105 R)
• M26: 18,661,586 km (0.109 R)
• M27: 19,059,966 km (0.078 R)
• M28: 19,301,716 km (0.101 R)
• M29: 21,744,649 km (0.072 R)
• M30: 23,085,644 km (0.109 R)
• M31: 23,637,212 km (0.047 R)
• M32: 23,822,863 km (0.079 R)
• M33: 24,197,456 km (0.104 R)
• M34: 24,958,011 km (0.1 R)
• M35: 25,931,145 km (0.1 R)
• M36: 27,233,544 km (0.07 R)
• M37: 39,388,521 km (0.074 R)
• M38: 43,427,813 km (0.111 R)
• M39: 45,979,055 km (0.074 R)
• M40: 48,031,089 km (0.084 R)
• M41: 51,377,893 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.3

Radius: 3.7

Gravity: 37.71 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 8.41 AU - 12.21 AU

Year: 22851 Days

Day: 23 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,678,084 km

• M1: 46,226 km (0.113 R)
• M2: 271,819 km (0.032 R)
• M3: 532,718 km (0.119 R)
• M4: 787,184 km (0.098 R)
• M5: 1,158,336 km (0.044 R)
• M6: 1,724,115 km (0.118 R)
• M7: 1,929,065 km (0.066 R)
• M8: 2,088,087 km (0.09 R)
• M9: 3,545,320 km (0.086 R)
• M10: 4,295,104 km (0.088 R)
• M11: 4,532,367 km (0.036 R)
• M12: 5,070,321 km (0.056 R)
• M13: 8,254,511 km (0.088 R)
• M14: 9,053,514 km (0.116 R)
• M15: 9,500,063 km (0.082 R)
• M16: 10,803,659 km (0.11 R)
• M17: 12,836,395 km (0.113 R)
• M18: 14,052,476 km (0.09 R)
• M19: 14,200,428 km (0.057 R)
• M20: 16,464,293 km (0.071 R)
• M21: 21,202,357 km (0.096 R)
• M22: 28,158,059 km (0.094 R)
• M23: 29,589,262 km (0.118 R)
• M24: 31,825,900 km (0.07 R)
• M25: 32,855,133 km (0.113 R)
• M26: 33,773,664 km (0.12 R)
• M27: 44,873,377 km (0.119 R)
• M28: 45,355,382 km (0.101 R)
• M29: 51,763,107 km (0.04 R)
• M30: 53,005,667 km (0.096 R)
• M31: 58,365,609 km (0.077 R)
• M32: 63,266,585 km (0.084 R)
• M33: 69,930,871 km (0.096 R)
• M34: 73,654,362 km (0.175 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 12,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit