🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.7

Radius: 11.8

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.41 AU - 0.61 AU

Year: 256 Days

Day: 12.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,996,263 km

• M1: 150,645 km (0.096 R)
• M2: 522,845 km (0.09 R)
• M3: 896,989 km (0.055 R)
• M4: 1,367,025 km (0.092 R)
• M5: 1,756,279 km (0.088 R)
• M6: 2,361,851 km (0.116 R)
• M7: 2,956,802 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.9

Radius: 14.3

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.24 AU - 1.9 AU

Year: 1383 Days

Day: 14.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,996,263 km

• M1: 178,470 km (0.075 R)
• M2: 1,214,585 km (0.102 R)
• M3: 1,959,433 km (0.105 R)
• M4: 3,259,289 km (0.083 R)
• M5: 3,850,799 km (0.109 R)
• M6: 4,319,190 km (0.095 R)
• M7: 4,788,329 km (0.114 R)
• M8: 6,589,786 km (0.09 R)
• M9: 7,414,519 km (0.104 R)
• M10: 9,008,485 km (0.116 R)
• M11: 9,597,601 km (0.087 R)
• M12: 10,275,429 km (0.065 R)
• M13: 11,050,944 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.3

Radius: 12.3

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.47 AU - 3.15 AU

Year: 3311 Days

Day: 8.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 156.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,996,263 km

• M1: 153,039 km (0.083 R)
• M2: 548,127 km (0.105 R)
• M3: 1,000,660 km (0.082 R)
• M4: 1,486,704 km (0.031 R)
• M5: 2,171,563 km (0.102 R)
• M6: 3,111,935 km (0.116 R)
• M7: 3,525,872 km (0.12 R)
• M8: 3,913,181 km (0.099 R)
• M9: 4,583,230 km (0.11 R)
• M10: 5,021,103 km (0.075 R)
• M11: 6,181,683 km (0.06 R)
• M12: 6,841,111 km (0.101 R)
• M13: 7,513,703 km (0.108 R)
• M14: 8,194,822 km (0.103 R)
• M15: 8,768,978 km (0.115 R)
• M16: 11,426,585 km (0.117 R)
• M17: 12,986,890 km (0.101 R)
• M18: 14,632,916 km (0.082 R)
• M19: 16,024,625 km (0.109 R)
• M20: 18,154,749 km (0.089 R)
• M21: 20,337,831 km (0.073 R)
• M22: 21,058,593 km (0.1 R)
• M23: 24,113,382 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.4

Radius: 10.3

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.68 AU - 4.42 AU

Year: 4702 Days

Day: 11.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,996,263 km

• M1: 128,056 km (0.039 R)
• M2: 1,046,288 km (0.081 R)
• M3: 1,457,682 km (0.079 R)
• M4: 2,353,623 km (0.06 R)
• M5: 2,949,023 km (0.097 R)
• M6: 3,329,899 km (0.106 R)
• M7: 5,350,966 km (0.109 R)
• M8: 5,920,635 km (0.104 R)
• M9: 8,047,169 km (0.119 R)
• M10: 8,832,557 km (0.119 R)
• M11: 12,821,286 km (0.114 R)
• M12: 14,093,017 km (0.113 R)
• M13: 15,825,809 km (0.085 R)
• M14: 20,739,052 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.5

Radius: 8.2

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.69 AU - 4.93 AU

Year: 7415 Days

Day: 6.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,996,263 km

• M1: 102,026 km (0.104 R)
• M2: 537,206 km (0.097 R)
• M3: 930,798 km (0.112 R)
• M4: 1,314,666 km (0.109 R)
• M5: 1,660,387 km (0.076 R)
• M6: 7,124,000 km (0.075 R)
• M7: 7,479,295 km (0.071 R)
• M8: 8,061,380 km (0.109 R)
• M9: 9,226,598 km (0.051 R)
• M10: 9,649,063 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.3

Radius: 7.6

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.73 AU - 7.99 AU

Year: 12630 Days

Day: 17 Hours

Environment

Temp: -222 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,996,263 km

• M1: 94,546 km (0.108 R)
• M2: 834,906 km (0.054 R)
• M3: 1,107,473 km (0.078 R)
• M4: 1,585,139 km (0.036 R)
• M5: 1,821,653 km (0.11 R)
• M6: 2,231,103 km (0.114 R)
• M7: 3,041,026 km (0.052 R)
• M8: 3,384,502 km (0.089 R)
• M9: 4,033,607 km (0.111 R)
• M10: 4,730,733 km (0.1 R)
• M11: 4,991,333 km (0.077 R)
• M12: 5,295,914 km (0.102 R)
• M13: 6,441,086 km (0.099 R)
• M14: 8,014,257 km (0.048 R)
• M15: 8,671,291 km (0.032 R)
• M16: 11,141,152 km (0.038 R)
• M17: 11,959,003 km (0.119 R)
• M18: 13,260,206 km (0.094 R)
• M19: 14,044,697 km (0.049 R)
• M20: 14,380,544 km (0.108 R)
• M21: 15,420,399 km (0.056 R)
• M22: 19,413,914 km (0.103 R)
• M23: 20,083,963 km (0.1 R)
• M24: 20,424,597 km (0.115 R)
• M25: 29,258,501 km (0.116 R)
• M26: 33,240,497 km (0.071 R)
• M27: 35,175,546 km (0.087 R)
• M28: 39,004,054 km (0.096 R)
• M29: 41,155,272 km (0.087 R)
• M30: 42,260,052 km (0.095 R)
• M31: 44,384,342 km (0.036 R)
• M32: 47,176,287 km (0.083 R)
• M33: 55,244,698 km (0.108 R)
• M34: 55,746,151 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.9

Radius: 7.1

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.87 AU - 9.15 AU

Year: 15935 Days

Day: 24.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,996,263 km

• M1: 89,011 km (0.117 R)
• M2: 435,779 km (0.109 R)
• M3: 829,371 km (0.11 R)
• M4: 1,118,094 km (0.081 R)
• M5: 2,174,704 km (0.093 R)
• M6: 3,303,271 km (0.051 R)
• M7: 3,644,653 km (0.097 R)
• M8: 4,398,177 km (0.115 R)
• M9: 7,678,859 km (0.109 R)
• M10: 7,998,400 km (0.09 R)
• M11: 8,279,195 km (0.091 R)
• M12: 8,761,798 km (0.077 R)
• M13: 11,818,232 km (0.115 R)
• M14: 13,518,412 km (0.108 R)
• M15: 14,530,292 km (0.11 R)
• M16: 16,104,510 km (0.092 R)
• M17: 16,856,389 km (0.108 R)
• M18: 17,552,767 km (0.091 R)
• M19: 18,755,833 km (0.057 R)
• M20: 19,168,873 km (0.086 R)
• M21: 20,970,031 km (0.1 R)
• M22: 21,414,935 km (0.092 R)
• M23: 23,352,527 km (0.071 R)
• M24: 24,806,169 km (0.037 R)
• M25: 25,808,026 km (0.115 R)
• M26: 26,525,348 km (0.113 R)
• M27: 28,756,750 km (0.086 R)
• M28: 29,527,628 km (0.108 R)
• M29: 30,995,632 km (0.095 R)
• M30: 35,313,475 km (0.081 R)
• M31: 43,516,525 km (0.106 R)
• M32: 43,805,099 km (0.072 R)
• M33: 55,741,064 km (0.103 R)
• M34: 58,153,031 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.4

Radius: 3

Gravity: 46.93 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.42 AU - 10.56 AU

Year: 17389 Days

Day: 21.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,996,263 km

• M1: 52,808 km (0.115 R)
• M2: 199,115 km (0.103 R)
• M3: 1,097,600 km (0.116 R)
• M4: 2,194,900 km (0.095 R)
• M5: 2,334,176 km (0.092 R)
• M6: 2,765,167 km (0.081 R)
• M7: 3,896,277 km (0.108 R)
• M8: 4,100,777 km (0.118 R)
• M9: 4,220,904 km (0.069 R)
• M10: 6,119,600 km (0.064 R)
• M11: 8,715,871 km (0.097 R)
• M12: 8,964,802 km (0.067 R)
• M13: 12,023,480 km (0.089 R)
• M14: 14,709,659 km (0.098 R)
• M15: 16,834,099 km (0.095 R)
• M16: 18,575,867 km (0.091 R)
• M17: 30,337,700 km (0.085 R)
• M18: 38,196,376 km (0.103 R)
• M19: 41,182,648 km (0.118 R)
• M20: 48,075,969 km (0.051 R)
• M21: 51,875,006 km (0.118 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: 297 - 12,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit