🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.7

Radius: 8.6

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.55 AU - 0.87 AU

Year: 392 Days

Day: 11.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,080,965 km

• M1: 106,962 km (0.044 R)
• M2: 375,341 km (0.067 R)
• M3: 755,768 km (0.119 R)
• M4: 1,165,667 km (0.093 R)
• M5: 1,574,817 km (0.119 R)
• M6: 1,973,944 km (0.106 R)
• M7: 2,457,743 km (0.082 R)
• M8: 3,403,651 km (0.107 R)
• M9: 4,232,573 km (0.068 R)
• M10: 4,504,541 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.8

Radius: 8.6

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.64 AU - 1 AU

Year: 487 Days

Day: 13.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,080,965 km

• M1: 106,962 km (0.103 R)
• M2: 487,988 km (0.106 R)
• M3: 762,800 km (0.095 R)
• M4: 1,053,319 km (0.096 R)
• M5: 1,323,044 km (0.076 R)
• M6: 1,805,198 km (0.076 R)
• M7: 2,083,599 km (0.052 R)
• M8: 2,457,893 km (0.062 R)
• M9: 2,985,824 km (0.114 R)
• M10: 3,438,956 km (0.079 R)
• M11: 3,991,122 km (0.115 R)
• M12: 4,967,846 km (0.075 R)
• M13: 6,059,911 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.9

Radius: 11.1

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.42 AU - 1.6 AU

Year: 1217 Days

Day: 11.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,080,965 km

• M1: 138,079 km (0.062 R)
• M2: 544,985 km (0.086 R)
• M3: 913,594 km (0.094 R)
• M4: 1,388,119 km (0.109 R)
• M5: 2,367,685 km (0.115 R)
• M6: 2,835,628 km (0.095 R)
• M7: 3,435,665 km (0.105 R)
• M8: 4,102,422 km (0.107 R)
• M9: 4,484,196 km (0.104 R)
• M10: 4,853,553 km (0.104 R)
• M11: 5,836,262 km (0.061 R)
• M12: 7,419,007 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.1

Radius: 9.1

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.47 AU - 3.97 AU

Year: 4707 Days

Day: 9.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,080,965 km

• M1: 113,694 km (0.118 R)
• M2: 518,357 km (0.114 R)
• M3: 915,689 km (0.065 R)
• M4: 1,416,841 km (0.083 R)
• M5: 2,233,496 km (0.119 R)
• M6: 2,631,127 km (0.044 R)
• M7: 4,226,439 km (0.098 R)
• M8: 4,572,160 km (0.028 R)
• M9: 5,037,260 km (0.058 R)
• M10: 5,453,291 km (0.12 R)
• M11: 6,503,319 km (0.088 R)
• M12: 7,416,464 km (0.051 R)
• M13: 9,225,850 km (0.114 R)
• M14: 15,511,205 km (0.119 R)
• M15: 15,892,979 km (0.114 R)
• M16: 18,928,170 km (0.069 R)
• M17: 19,364,248 km (0.073 R)
• M18: 23,310,639 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.6

Radius: 11.2

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.79 AU - 5.25 AU

Year: 7378 Days

Day: 11.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,080,965 km

• M1: 140,323 km (0.1 R)
• M2: 564,882 km (0.079 R)
• M3: 914,342 km (0.101 R)
• M4: 1,368,073 km (0.11 R)
• M5: 1,940,284 km (0.112 R)
• M6: 2,725,524 km (0.117 R)
• M7: 3,224,881 km (0.104 R)
• M8: 3,614,883 km (0.119 R)
• M9: 4,435,577 km (0.117 R)
• M10: 6,588,440 km (0.105 R)
• M11: 7,453,116 km (0.106 R)
• M12: 8,823,881 km (0.066 R)
• M13: 10,161,286 km (0.076 R)
• M14: 11,789,060 km (0.079 R)
• M15: 14,302,005 km (0.079 R)
• M16: 15,298,477 km (0.092 R)
• M17: 16,340,575 km (0.076 R)
• M18: 19,152,417 km (0.083 R)
• M19: 21,223,450 km (0.066 R)
• M20: 22,108,621 km (0.091 R)
• M21: 23,780,676 km (0.09 R)
• M22: 24,211,518 km (0.075 R)
• M23: 27,187,319 km (0.075 R)
• M24: 33,530,268 km (0.058 R)
• M25: 38,149,252 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.7

Radius: 7.1

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.74 AU - 6.12 AU

Year: 9473 Days

Day: 24.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,080,965 km

• M1: 88,263 km (0.103 R)
• M2: 337,343 km (0.109 R)
• M3: 735,722 km (0.117 R)
• M4: 967,599 km (0.07 R)
• M5: 1,225,655 km (0.061 R)
• M6: 1,868,029 km (0.053 R)
• M7: 2,364,993 km (0.085 R)
• M8: 3,874,734 km (0.094 R)
• M9: 4,564,081 km (0.068 R)
• M10: 5,430,104 km (0.117 R)
• M11: 7,083,908 km (0.085 R)
• M12: 7,647,593 km (0.066 R)
• M13: 8,955,826 km (0.066 R)
• M14: 10,714,798 km (0.08 R)
• M15: 11,295,387 km (0.035 R)
• M16: 12,120,419 km (0.074 R)
• M17: 12,984,946 km (0.058 R)
• M18: 14,707,864 km (0.104 R)
• M19: 15,758,041 km (0.099 R)
• M20: 16,028,215 km (0.069 R)
• M21: 17,211,085 km (0.103 R)
• M22: 19,906,091 km (0.119 R)
• M23: 22,019,011 km (0.095 R)
• M24: 22,441,775 km (0.095 R)
• M25: 23,042,859 km (0.075 R)
• M26: 23,742,828 km (0.115 R)
• M27: 24,098,123 km (0.1 R)
• M28: 26,780,562 km (0.106 R)
• M29: 33,060,232 km (0.084 R)
• M30: 33,838,290 km (0.073 R)
• M31: 35,430,610 km (0.11 R)
• M32: 39,878,604 km (0.111 R)
• M33: 43,349,873 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.9

Radius: 3.9

Gravity: 45.56 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.25 AU - 7.57 AU

Year: 11916 Days

Day: 24.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,080,965 km

• M1: 50,414 km (0.09 R)
• M2: 200,012 km (0.038 R)
• M3: 407,505 km (0.087 R)
• M4: 714,479 km (0.107 R)
• M5: 1,009,187 km (0.092 R)
• M6: 1,903,334 km (0.084 R)
• M7: 2,527,606 km (0.117 R)
• M8: 4,138,027 km (0.026 R)
• M9: 6,483,572 km (0.088 R)
• M10: 8,322,578 km (0.119 R)
• M11: 9,690,800 km (0.066 R)
• M12: 10,645,534 km (0.092 R)
• M13: 11,430,175 km (0.077 R)
• M14: 11,661,304 km (0.107 R)
• M15: 12,373,240 km (0.067 R)
• M16: 13,688,205 km (0.119 R)
• M17: 14,682,582 km (0.119 R)
• M18: 16,082,220 km (0.064 R)
• M19: 17,415,586 km (0.116 R)
• M20: 17,875,898 km (0.113 R)
• M21: 21,766,640 km (0.098 R)
• M22: 23,210,110 km (0.1 R)
• M23: 24,428,883 km (0.117 R)
• M24: 25,986,646 km (0.028 R)
• M25: 30,388,563 km (0.03 R)
• M26: 33,231,222 km (0.106 R)
• M27: 37,374,485 km (0.061 R)
• M28: 37,501,344 km (0.095 R)
• M29: 41,849,107 km (0.098 R)
• M30: 46,667,804 km (0.037 R)
• M31: 51,843,292 km (0.101 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 16,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit