🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.4

Radius: 14.6

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.5 AU - 0.62 AU

Year: 289 Days

Day: 14 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,467,401 km

• M1: 181,911 km (0.104 R)
• M2: 722,857 km (0.115 R)
• M3: 1,186,910 km (0.079 R)
• M4: 1,839,755 km (0.088 R)
• M5: 2,317,121 km (0.075 R)
• M6: 2,887,987 km (0.101 R)
• M7: 3,474,859 km (0.11 R)
• M8: 4,042,733 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.5

Radius: 13.7

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.03 AU - 1.09 AU

Year: 753 Days

Day: 9.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,467,401 km

• M1: 170,392 km (0.065 R)
• M2: 809,175 km (0.094 R)
• M3: 1,320,052 km (0.101 R)
• M4: 1,969,905 km (0.12 R)
• M5: 2,482,277 km (0.103 R)
• M6: 4,065,322 km (0.114 R)
• M7: 4,774,715 km (0.076 R)
• M8: 5,656,445 km (0.082 R)
• M9: 6,685,080 km (0.063 R)
• M10: 7,342,413 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.8

Radius: 8.2

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.5 AU - 3.02 AU

Year: 3165 Days

Day: 5.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,467,401 km

• M1: 102,026 km (0.108 R)
• M2: 365,916 km (0.075 R)
• M3: 695,032 km (0.116 R)
• M4: 1,192,445 km (0.084 R)
• M5: 1,544,149 km (0.09 R)
• M6: 1,986,361 km (0.104 R)
• M7: 2,261,621 km (0.091 R)
• M8: 2,947,527 km (0.096 R)
• M9: 6,339,060 km (0.063 R)
• M10: 6,993,401 km (0.08 R)
• M11: 8,058,239 km (0.11 R)
• M12: 9,738,373 km (0.113 R)
• M13: 10,067,189 km (0.092 R)
• M14: 11,133,971 km (0.087 R)
• M15: 12,465,392 km (0.087 R)
• M16: 13,209,342 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.4

Radius: 12.9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.3 AU - 4.06 AU

Year: 4873 Days

Day: 11.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,467,401 km

• M1: 160,369 km (0.111 R)
• M2: 1,033,871 km (0.066 R)
• M3: 1,550,283 km (0.085 R)
• M4: 2,343,600 km (0.099 R)
• M5: 3,844,665 km (0.082 R)
• M6: 6,211,752 km (0.095 R)
• M7: 7,382,505 km (0.055 R)
• M8: 7,813,048 km (0.029 R)
• M9: 9,674,345 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.9

Radius: 8.4

Gravity: 13.87 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.36 AU - 6.2 AU

Year: 8375 Days

Day: 14.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,467,401 km

• M1: 106,514 km (0.074 R)
• M2: 412,441 km (0.044 R)
• M3: 679,324 km (0.041 R)
• M4: 1,333,216 km (0.075 R)
• M5: 2,156,603 km (0.09 R)
• M6: 2,878,712 km (0.1 R)
• M7: 3,167,735 km (0.09 R)
• M8: 3,910,040 km (0.114 R)
• M9: 5,701,175 km (0.092 R)
• M10: 5,980,474 km (0.079 R)
• M11: 6,951,663 km (0.079 R)
• M12: 8,922,017 km (0.091 R)
• M13: 9,443,366 km (0.096 R)
• M14: 11,238,091 km (0.03 R)
• M15: 12,592,999 km (0.089 R)
• M16: 13,616,548 km (0.12 R)
• M17: 16,103,313 km (0.103 R)
• M18: 16,451,577 km (0.101 R)
• M19: 16,733,868 km (0.086 R)
• M20: 19,816,482 km (0.062 R)
• M21: 24,610,944 km (0.069 R)
• M22: 27,373,718 km (0.064 R)
• M23: 32,279,780 km (0.05 R)
• M24: 35,582,302 km (0.102 R)
• M25: 35,936,251 km (0.056 R)
• M26: 38,109,758 km (0.094 R)
• M27: 45,707,685 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.9

Radius: 4.2

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.46 AU - 6.66 AU

Year: 11598 Days

Day: 20.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,467,401 km

• M1: 52,808 km (0.099 R)
• M2: 495,319 km (0.081 R)
• M3: 1,119,441 km (0.093 R)
• M4: 1,631,963 km (0.084 R)
• M5: 2,527,905 km (0.095 R)
• M6: 3,642,409 km (0.113 R)
• M7: 4,715,774 km (0.074 R)
• M8: 7,171,872 km (0.09 R)
• M9: 10,002,562 km (0.114 R)
• M10: 17,929,454 km (0.073 R)
• M11: 18,062,896 km (0.066 R)
• M12: 20,000,936 km (0.103 R)
• M13: 20,288,613 km (0.068 R)
• M14: 21,617,640 km (0.07 R)
• M15: 21,920,726 km (0.055 R)
• M16: 24,859,277 km (0.102 R)
• M17: 25,866,070 km (0.061 R)
• M18: 27,870,981 km (0.089 R)
• M19: 30,543,547 km (0.09 R)
• M20: 33,080,428 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.9

Radius: 3.3

Gravity: 66.11 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.24 AU - 7.5 AU

Year: 12429 Days

Day: 23.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 74.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,467,401 km

• M1: 41,887 km (0.113 R)
• M2: 223,499 km (0.094 R)
• M3: 380,427 km (0.108 R)
• M4: 540,348 km (0.079 R)
• M5: 858,841 km (0.078 R)
• M6: 2,801,071 km (0.107 R)
• M7: 3,033,546 km (0.102 R)
• M8: 5,239,665 km (0.058 R)
• M9: 5,414,097 km (0.115 R)
• M10: 5,664,823 km (0.083 R)
• M11: 6,266,954 km (0.114 R)
• M12: 9,104,078 km (0.108 R)
• M13: 9,980,572 km (0.063 R)
• M14: 11,025,064 km (0.097 R)
• M15: 12,819,042 km (0.083 R)
• M16: 14,660,741 km (0.099 R)
• M17: 21,317,098 km (0.118 R)
• M18: 22,302,948 km (0.078 R)
• M19: 31,080,603 km (0.115 R)
• M20: 33,051,555 km (0.103 R)
• M21: 33,886,610 km (0.033 R)
• M22: 41,080,622 km (0.049 R)
• M23: 44,164,283 km (0.118 R)
• M24: 46,057,145 km (0.107 R)
• M25: 47,248,393 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.1

Radius: 5.1

Gravity: 13.81 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.53 AU - 8.99 AU

Year: 14921 Days

Day: 18 Hours

Environment

Temp: -226 °C

Axial Tilt: 127 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 50,467,401 km

• M1: 63,579 km (0.115 R)
• M2: 240,404 km (0.096 R)
• M3: 629,957 km (0.084 R)
• M4: 879,635 km (0.115 R)
• M5: 1,181,823 km (0.074 R)
• M6: 1,344,286 km (0.092 R)
• M7: 2,637,261 km (0.05 R)
• M8: 3,486,678 km (0.101 R)
• M9: 3,692,075 km (0.077 R)
• M10: 4,905,763 km (0.078 R)
• M11: 6,066,343 km (0.104 R)
• M12: 6,439,889 km (0.105 R)
• M13: 6,868,188 km (0.026 R)
• M14: 7,109,788 km (0.078 R)
• M15: 7,610,044 km (0.105 R)
• M16: 8,358,183 km (0.107 R)
• M17: 9,447,106 km (0.077 R)
• M18: 10,051,182 km (0.102 R)
• M19: 14,292,431 km (0.078 R)
• M20: 15,703,139 km (0.099 R)
• M21: 16,264,281 km (0.049 R)
• M22: 18,410,112 km (0.068 R)
• M23: 22,015,271 km (0.118 R)
• M24: 22,717,783 km (0.098 R)
• M25: 25,581,086 km (0.084 R)
• M26: 26,161,676 km (0.096 R)
• M27: 31,788,800 km (0.066 R)
• M28: 32,235,200 km (0.111 R)
• M29: 34,412,297 km (0.07 R)
• M30: 35,716,641 km (0.05 R)
• M31: 35,957,195 km (0.064 R)
• M32: 39,826,544 km (0.118 R)
• M33: 40,475,499 km (0.108 R)
• M34: 41,263,581 km (0.092 R)
• M35: 43,006,097 km (0.111 R)
• M36: 48,674,510 km (0.057 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 15,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit