🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540

Radius: 9.2

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.12 AU - 1.68 AU

Year: 1105 Days

Day: 14 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,764,012 km

• M1: 114,442 km (0.069 R)
• M2: 420,520 km (0.059 R)
• M3: 735,573 km (0.109 R)
• M4: 1,057,657 km (0.074 R)
• M5: 1,581,399 km (0.094 R)
• M6: 2,060,860 km (0.117 R)
• M7: 2,831,738 km (0.084 R)
• M8: 3,425,642 km (0.057 R)
• M9: 3,876,679 km (0.03 R)
• M10: 4,332,803 km (0.108 R)
• M11: 5,294,568 km (0.102 R)
• M12: 6,615,517 km (0.025 R)
• M13: 7,735,257 km (0.09 R)
• M14: 8,196,019 km (0.106 R)
• M15: 8,756,412 km (0.026 R)
• M16: 10,043,702 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.8

Radius: 12.9

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.09 AU - 1.81 AU

Year: 1164 Days

Day: 5.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,764,012 km

• M1: 160,369 km (0.052 R)
• M2: 622,776 km (0.079 R)
• M3: 1,399,039 km (0.112 R)
• M4: 2,186,074 km (0.069 R)
• M5: 2,847,446 km (0.057 R)
• M6: 3,666,195 km (0.025 R)
• M7: 4,371,100 km (0.04 R)
• M8: 5,268,388 km (0.108 R)
• M9: 6,705,874 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.6

Radius: 10.6

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.08 AU - 2.78 AU

Year: 2526 Days

Day: 13.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,764,012 km

• M1: 131,945 km (0.094 R)
• M2: 986,299 km (0.115 R)
• M3: 1,376,899 km (0.058 R)
• M4: 1,871,469 km (0.056 R)
• M5: 2,724,327 km (0.063 R)
• M6: 3,100,266 km (0.108 R)
• M7: 3,529,762 km (0.115 R)
• M8: 4,531,020 km (0.118 R)
• M9: 5,014,371 km (0.092 R)
• M10: 5,405,420 km (0.115 R)
• M11: 6,304,653 km (0.085 R)
• M12: 7,708,180 km (0.068 R)
• M13: 8,706,746 km (0.117 R)
• M14: 9,640,087 km (0.045 R)
• M15: 10,131,217 km (0.105 R)
• M16: 10,878,907 km (0.107 R)
• M17: 13,343,681 km (0.083 R)
• M18: 15,536,038 km (0.084 R)
• M19: 17,015,561 km (0.087 R)
• M20: 17,621,732 km (0.047 R)
• M21: 18,644,682 km (0.106 R)
• M22: 19,767,115 km (0.101 R)
• M23: 20,191,673 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280

Radius: 12.3

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.54 AU - 3.22 AU

Year: 3259 Days

Day: 6.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,764,012 km

• M1: 179,667 km (0.117 R)
• M2: 631,303 km (0.12 R)
• M3: 1,150,856 km (0.111 R)
• M4: 2,177,846 km (0.05 R)
• M5: 2,945,732 km (0.056 R)
• M6: 5,040,401 km (0.057 R)
• M7: 8,894,341 km (0.063 R)
• M8: 9,872,263 km (0.107 R)
• M9: 11,413,869 km (0.115 R)
• M10: 13,152,794 km (0.088 R)
• M11: 15,015,737 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 263.6

Radius: 4.2

Gravity: 14.94 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.79 AU - 8.71 AU

Year: 13018 Days

Day: 18.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 83,764,012 km

• M1: 65,225 km (0.057 R)
• M2: 294,409 km (0.03 R)
• M3: 506,389 km (0.072 R)
• M4: 1,712,896 km (0.084 R)
• M5: 2,591,334 km (0.103 R)
• M6: 3,261,682 km (0.082 R)
• M7: 3,612,789 km (0.119 R)
• M8: 3,835,241 km (0.06 R)
• M9: 4,389,950 km (0.067 R)
• M10: 4,614,795 km (0.118 R)
• M11: 5,430,552 km (0.074 R)
• M12: 5,889,519 km (0.064 R)
• M13: 6,128,426 km (0.097 R)
• M14: 9,109,314 km (0.079 R)
• M15: 9,850,721 km (0.078 R)
• M16: 13,928,609 km (0.082 R)
• M17: 15,547,258 km (0.117 R)
• M18: 17,011,522 km (0.087 R)
• M19: 25,547,128 km (0.092 R)
• M20: 27,201,381 km (0.112 R)
• M21: 28,730,570 km (0.109 R)
• M22: 29,219,905 km (0.119 R)
• M23: 31,542,861 km (0.092 R)
• M24: 32,273,497 km (0.116 R)
• M25: 34,095,000 km (0.032 R)
• M26: 36,438,152 km (0.076 R)
• M27: 39,244,757 km (0.118 R)
• M28: 40,946,882 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.6

Radius: 3.2

Gravity: 88.63 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.9 AU - 10.06 AU

Year: 19464 Days

Day: 23.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 83,764,012 km

• M1: 40,391 km (0.092 R)
• M2: 192,383 km (0.071 R)
• M3: 351,256 km (0.111 R)
• M4: 810,372 km (0.105 R)
• M5: 999,314 km (0.118 R)
• M6: 1,727,257 km (0.106 R)
• M7: 2,254,739 km (0.115 R)
• M8: 3,235,652 km (0.062 R)
• M9: 3,556,989 km (0.112 R)
• M10: 4,028,820 km (0.091 R)
• M11: 6,980,087 km (0.067 R)
• M12: 7,171,572 km (0.083 R)
• M13: 7,465,233 km (0.077 R)
• M14: 7,817,985 km (0.117 R)
• M15: 8,181,807 km (0.102 R)
• M16: 8,999,060 km (0.084 R)
• M17: 9,573,067 km (0.101 R)
• M18: 12,114,735 km (0.047 R)
• M19: 14,992,998 km (0.061 R)
• M20: 15,472,758 km (0.033 R)
• M21: 21,746,294 km (0.075 R)
• M22: 22,360,693 km (0.091 R)
• M23: 23,091,778 km (0.104 R)
• M24: 24,601,819 km (0.115 R)
• M25: 24,822,775 km (0.076 R)
• M26: 32,083,059 km (0.118 R)
• M27: 37,344,565 km (0.118 R)
• M28: 42,673,541 km (0.039 R)
• M29: 42,832,862 km (0.116 R)
• M30: 42,992,483 km (0.093 R)
• M31: 44,121,349 km (0.117 R)
• M32: 48,314,278 km (0.118 R)
• M33: 49,710,026 km (0.108 R)
• M34: 51,132,552 km (0.099 R)
• M35: 55,942,573 km (0.052 R)
• M36: 58,456,864 km (0.113 R)
• M37: 59,642,277 km (0.107 R)
• M38: 62,881,670 km (0.119 R)
• M39: 71,488,783 km (0.055 R)
• M40: 77,959,340 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.8

Radius: 8

Gravity: 14.79 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.4 AU - 10.68 AU

Year: 19650 Days

Day: 15.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,764,012 km

• M1: 99,483 km (0.103 R)
• M2: 376,239 km (0.081 R)
• M3: 1,213,239 km (0.073 R)
• M4: 2,036,177 km (0.118 R)
• M5: 3,595,136 km (0.111 R)
• M6: 3,906,150 km (0.058 R)
• M7: 4,726,694 km (0.064 R)
• M8: 5,534,672 km (0.105 R)
• M9: 6,938,798 km (0.108 R)
• M10: 7,422,448 km (0.114 R)
• M11: 8,403,361 km (0.082 R)
• M12: 8,730,532 km (0.118 R)
• M13: 9,762,907 km (0.048 R)
• M14: 10,432,507 km (0.119 R)
• M15: 12,414,678 km (0.092 R)
• M16: 14,479,728 km (0.082 R)
• M17: 21,319,791 km (0.116 R)
• M18: 27,108,780 km (0.063 R)
• M19: 28,185,884 km (0.109 R)
• M20: 31,588,039 km (0.113 R)
• M21: 34,002,399 km (0.12 R)
• M22: 38,893,502 km (0.115 R)
• M23: 39,346,334 km (0.062 R)
• M24: 41,506,228 km (0.089 R)
• M25: 44,727,071 km (0.119 R)
• M26: 46,907,759 km (0.1 R)
• M27: 51,298,905 km (0.093 R)
• M28: 62,938,966 km (0.115 R)
• M29: 68,048,930 km (0.099 R)
• M30: 69,147,277 km (0.099 R)
• M31: 71,831,362 km (0.086 R)
• M32: 73,658,850 km (0.069 R)
• M33: 74,816,588 km (0.083 R)
• M34: 77,644,736 km (0.115 R)
• M35: 80,055,356 km (0.098 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 11,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit