🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.9

Radius: 12.1

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.73 AU - 0.87 AU

Year: 462 Days

Day: 5.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,498,068 km

• M1: 150,795 km (0.081 R)
• M2: 557,402 km (0.103 R)
• M3: 969,993 km (0.111 R)
• M4: 1,882,240 km (0.116 R)
• M5: 2,379,653 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.4

Radius: 10.5

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.19 AU - 1.41 AU

Year: 957 Days

Day: 6.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,498,068 km

• M1: 146,756 km (0.117 R)
• M2: 480,209 km (0.046 R)
• M3: 862,282 km (0.106 R)
• M4: 1,209,200 km (0.065 R)
• M5: 1,627,625 km (0.096 R)
• M6: 2,391,771 km (0.089 R)
• M7: 3,160,405 km (0.098 R)
• M8: 3,595,734 km (0.11 R)
• M9: 4,269,523 km (0.088 R)
• M10: 5,059,998 km (0.056 R)
• M11: 5,964,916 km (0.1 R)
• M12: 6,952,561 km (0.036 R)
• M13: 7,669,284 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.4

Radius: 12

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.04 AU - 2.78 AU

Year: 2416 Days

Day: 12 Hours

Environment

Temp: -198 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,498,068 km

• M1: 149,299 km (0.12 R)
• M2: 706,850 km (0.097 R)
• M3: 1,230,143 km (0.07 R)
• M4: 1,675,347 km (0.099 R)
• M5: 2,305,752 km (0.101 R)
• M6: 3,439,405 km (0.082 R)
• M7: 4,043,481 km (0.113 R)
• M8: 4,782,195 km (0.082 R)
• M9: 5,323,141 km (0.119 R)
• M10: 6,263,214 km (0.101 R)
• M11: 7,575,337 km (0.106 R)
• M12: 8,633,144 km (0.116 R)
• M13: 9,062,789 km (0.086 R)
• M14: 9,506,795 km (0.047 R)
• M15: 10,624,142 km (0.091 R)
• M16: 11,195,456 km (0.059 R)
• M17: 14,364,687 km (0.094 R)
• M18: 16,129,792 km (0.11 R)
• M19: 17,193,732 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.5

Radius: 13.6

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.38 AU - 3.72 AU

Year: 4319 Days

Day: 12.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,498,068 km

• M1: 169,195 km (0.055 R)
• M2: 620,382 km (0.063 R)
• M3: 1,399,039 km (0.111 R)
• M4: 3,412,926 km (0.108 R)
• M5: 5,684,420 km (0.085 R)
• M6: 6,203,076 km (0.07 R)
• M7: 7,105,151 km (0.064 R)
• M8: 7,846,558 km (0.118 R)
• M9: 9,603,435 km (0.087 R)
• M10: 10,510,447 km (0.047 R)
• M11: 11,249,909 km (0.046 R)
• M12: 12,543,183 km (0.093 R)
• M13: 13,933,396 km (0.027 R)
• M14: 15,756,845 km (0.099 R)
• M15: 16,901,268 km (0.11 R)
• M16: 17,977,775 km (0.071 R)
• M17: 18,408,616 km (0.073 R)
• M18: 19,419,449 km (0.11 R)
• M19: 20,333,791 km (0.089 R)
• M20: 25,729,039 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.3

Radius: 10.8

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.9 AU - 4.78 AU

Year: 4859 Days

Day: 7.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,498,068 km

• M1: 134,937 km (0.11 R)
• M2: 562,937 km (0.029 R)
• M3: 1,223,860 km (0.072 R)
• M4: 2,681,542 km (0.105 R)
• M5: 4,437,222 km (0.098 R)
• M6: 5,601,393 km (0.112 R)
• M7: 6,266,954 km (0.101 R)
• M8: 7,296,786 km (0.07 R)
• M9: 11,418,357 km (0.115 R)
• M10: 11,816,586 km (0.083 R)
• M11: 13,067,374 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.1

Radius: 14.2

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.6 AU - 5.44 AU

Year: 7262 Days

Day: 6.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,498,068 km

• M1: 176,825 km (0.082 R)
• M2: 960,418 km (0.085 R)
• M3: 2,500,080 km (0.118 R)
• M4: 3,686,391 km (0.091 R)
• M5: 6,235,389 km (0.06 R)
• M6: 6,822,411 km (0.115 R)
• M7: 7,513,852 km (0.107 R)
• M8: 9,996,130 km (0.109 R)
• M9: 10,977,342 km (0.105 R)
• M10: 14,151,360 km (0.093 R)
• M11: 16,348,355 km (0.082 R)
• M12: 19,794,491 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.1

Radius: 11.7

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.57 AU - 6.35 AU

Year: 9395 Days

Day: 7.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,498,068 km

• M1: 145,559 km (0.095 R)
• M2: 550,969 km (0.103 R)
• M3: 928,255 km (0.086 R)
• M4: 1,371,812 km (0.092 R)
• M5: 1,755,082 km (0.115 R)
• M6: 2,300,666 km (0.099 R)
• M7: 2,957,251 km (0.085 R)
• M8: 3,969,879 km (0.114 R)
• M9: 4,615,394 km (0.104 R)
• M10: 5,264,798 km (0.105 R)
• M11: 5,765,203 km (0.106 R)
• M12: 6,519,176 km (0.114 R)
• M13: 8,223,395 km (0.096 R)
• M14: 9,856,405 km (0.059 R)
• M15: 10,881,300 km (0.104 R)
• M16: 11,863,410 km (0.107 R)
• M17: 13,263,347 km (0.114 R)
• M18: 15,164,886 km (0.08 R)
• M19: 15,837,328 km (0.061 R)
• M20: 18,575,268 km (0.037 R)
• M21: 19,034,683 km (0.088 R)
• M22: 19,659,105 km (0.111 R)
• M23: 21,952,590 km (0.093 R)
• M24: 24,510,414 km (0.115 R)
• M25: 26,386,222 km (0.06 R)
• M26: 27,162,785 km (0.103 R)
• M27: 30,633,904 km (0.096 R)
• M28: 32,365,350 km (0.08 R)
• M29: 33,031,210 km (0.072 R)
• M30: 37,950,586 km (0.043 R)
• M31: 41,488,576 km (0.112 R)
• M32: 44,282,316 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.5

Radius: 7.4

Gravity: 15.17 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.12 AU - 8.86 AU

Year: 14583 Days

Day: 16.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 41,498,068 km

• M1: 92,003 km (0.079 R)
• M2: 521,199 km (0.078 R)
• M3: 1,355,357 km (0.05 R)
• M4: 1,643,632 km (0.11 R)
• M5: 2,009,698 km (0.047 R)
• M6: 2,324,452 km (0.05 R)
• M7: 2,604,050 km (0.115 R)
• M8: 4,517,108 km (0.086 R)
• M9: 5,201,967 km (0.105 R)
• M10: 5,457,480 km (0.077 R)
• M11: 8,444,949 km (0.083 R)
• M12: 10,484,567 km (0.108 R)
• M13: 11,252,004 km (0.064 R)
• M14: 11,618,519 km (0.079 R)
• M15: 11,992,962 km (0.046 R)
• M16: 12,700,410 km (0.065 R)
• M17: 13,367,318 km (0.091 R)
• M18: 14,057,413 km (0.108 R)
• M19: 16,193,072 km (0.113 R)
• M20: 18,033,874 km (0.063 R)
• M21: 18,790,689 km (0.078 R)
• M22: 21,095,993 km (0.043 R)
• M23: 24,183,842 km (0.078 R)
• M24: 37,620,873 km (0.107 R)
• M25: 37,892,841 km (0.075 R)
• M26: 41,693,675 km (0.08 R)
• M27: 43,312,473 km (0.08 R)
• M28: 43,911,313 km (0.047 R)
• M29: 46,362,325 km (0.082 R)
• M30: 53,398,062 km (0.085 R)
• M31: 57,979,946 km (0.085 R)
• M32: 59,994,730 km (0.118 R)
• M33: 60,552,281 km (0.118 R)
• M34: 64,163,724 km (0.118 R)
• M35: 64,941,932 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.3

Radius: 4.2

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.69 AU - 9.03 AU

Year: 17028 Days

Day: 21.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,498,068 km

• M1: 52,808 km (0.116 R)
• M2: 192,084 km (0.072 R)
• M3: 481,556 km (0.1 R)
• M4: 661,671 km (0.089 R)
• M5: 933,192 km (0.11 R)
• M6: 1,251,386 km (0.104 R)
• M7: 2,417,352 km (0.097 R)
• M8: 2,805,558 km (0.079 R)
• M9: 3,440,302 km (0.084 R)
• M10: 4,494,070 km (0.082 R)
• M11: 5,018,410 km (0.087 R)
• M12: 5,647,619 km (0.063 R)
• M13: 6,187,667 km (0.083 R)
• M14: 7,099,317 km (0.106 R)
• M15: 8,264,983 km (0.092 R)
• M16: 8,738,610 km (0.101 R)
• M17: 11,381,855 km (0.086 R)
• M18: 12,185,644 km (0.088 R)
• M19: 14,207,310 km (0.099 R)
• M20: 15,074,977 km (0.103 R)
• M21: 22,488,599 km (0.111 R)
• M22: 25,147,552 km (0.111 R)
• M23: 27,438,643 km (0.051 R)
• M24: 27,817,724 km (0.116 R)
• M25: 30,772,581 km (0.111 R)
• M26: 34,038,901 km (0.096 R)
• M27: 35,028,790 km (0.112 R)
• M28: 36,720,892 km (0.091 R)
• M29: 38,585,031 km (0.044 R)
• M30: 38,941,373 km (0.055 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: 263 - 14,497 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit