🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.8

Radius: 8.2

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.21 AU - 1.31 AU

Year: 976 Days

Day: 10.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,953,571 km

• M1: 102,325 km (0.118 R)
• M2: 426,803 km (0.095 R)
• M3: 1,013,526 km (0.103 R)
• M4: 1,288,636 km (0.04 R)
• M5: 1,548,039 km (0.037 R)
• M6: 1,833,621 km (0.075 R)
• M7: 2,312,484 km (0.092 R)
• M8: 2,676,456 km (0.075 R)
• M9: 3,771,362 km (0.069 R)
• M10: 4,098,682 km (0.115 R)
• M11: 4,411,043 km (0.036 R)
• M12: 4,703,955 km (0.096 R)
• M13: 5,046,684 km (0.086 R)
• M14: 6,434,055 km (0.073 R)
• M15: 7,040,674 km (0.065 R)
• M16: 7,489,917 km (0.089 R)
• M17: 7,833,094 km (0.105 R)
• M18: 8,238,205 km (0.089 R)
• M19: 8,790,969 km (0.098 R)
• M20: 9,200,718 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.4

Radius: 14.6

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.26 AU - 1.72 AU

Year: 1255 Days

Day: 12.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 61.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,953,571 km

• M1: 181,612 km (0.089 R)
• M2: 679,474 km (0.089 R)
• M3: 1,489,247 km (0.093 R)
• M4: 2,050,837 km (0.081 R)
• M5: 2,871,531 km (0.11 R)
• M6: 3,678,612 km (0.118 R)
• M7: 4,724,450 km (0.099 R)
• M8: 5,746,353 km (0.089 R)
• M9: 6,635,114 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.7

Radius: 10.9

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.24 AU - 1.86 AU

Year: 1332 Days

Day: 9.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,953,571 km

• M1: 136,134 km (0.104 R)
• M2: 876,494 km (0.102 R)
• M3: 1,839,904 km (0.082 R)
• M4: 3,122,856 km (0.077 R)
• M5: 4,386,958 km (0.119 R)
• M6: 5,169,654 km (0.065 R)
• M7: 5,566,986 km (0.093 R)
• M8: 6,463,974 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.7

Radius: 10.7

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.92 AU - 5.44 AU

Year: 6988 Days

Day: 11.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,953,571 km

• M1: 133,441 km (0.113 R)
• M2: 636,539 km (0.081 R)
• M3: 1,118,992 km (0.095 R)
• M4: 1,756,728 km (0.038 R)
• M5: 2,279,423 km (0.11 R)
• M6: 3,823,273 km (0.055 R)
• M7: 4,186,347 km (0.112 R)
• M8: 4,706,499 km (0.058 R)
• M9: 6,100,003 km (0.099 R)
• M10: 7,231,112 km (0.113 R)
• M11: 9,289,429 km (0.094 R)
• M12: 9,681,825 km (0.081 R)
• M13: 13,014,416 km (0.116 R)
• M14: 17,043,985 km (0.089 R)
• M15: 20,344,114 km (0.105 R)
• M16: 25,630,603 km (0.025 R)
• M17: 26,058,453 km (0.054 R)
• M18: 27,281,715 km (0.118 R)
• M19: 31,865,244 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.6

Radius: 8

Gravity: 13.7 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.68 AU - 7.2 AU

Year: 11281 Days

Day: 16.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,953,571 km

• M1: 99,483 km (0.077 R)
• M2: 395,986 km (0.111 R)
• M3: 784,491 km (0.046 R)
• M4: 1,559,408 km (0.108 R)
• M5: 2,031,988 km (0.118 R)
• M6: 3,044,466 km (0.083 R)
• M7: 3,438,806 km (0.084 R)
• M8: 4,065,173 km (0.083 R)
• M9: 4,862,230 km (0.096 R)
• M10: 6,601,604 km (0.101 R)
• M11: 7,392,678 km (0.025 R)
• M12: 8,963,755 km (0.071 R)
• M13: 9,671,203 km (0.062 R)
• M14: 12,442,354 km (0.042 R)
• M15: 19,993,456 km (0.081 R)
• M16: 20,247,773 km (0.093 R)
• M17: 21,198,916 km (0.082 R)
• M18: 21,463,255 km (0.078 R)
• M19: 22,818,911 km (0.105 R)
• M20: 26,608,973 km (0.058 R)
• M21: 28,278,485 km (0.06 R)
• M22: 29,030,364 km (0.109 R)
• M23: 31,138,348 km (0.117 R)
• M24: 32,055,682 km (0.038 R)
• M25: 32,755,351 km (0.042 R)
• M26: 38,331,762 km (0.114 R)
• M27: 40,457,847 km (0.047 R)
• M28: 46,410,346 km (0.074 R)
• M29: 52,115,859 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.7

Radius: 6.2

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.78 AU - 9.92 AU

Year: 19735 Days

Day: 18.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,953,571 km

• M1: 77,193 km (0.056 R)
• M2: 285,882 km (0.074 R)
• M3: 499,358 km (0.063 R)
• M4: 963,709 km (0.099 R)
• M5: 1,416,542 km (0.087 R)
• M6: 1,780,065 km (0.053 R)
• M7: 2,501,725 km (0.09 R)
• M8: 3,428,783 km (0.098 R)
• M9: 4,442,458 km (0.086 R)
• M10: 7,341,216 km (0.075 R)
• M11: 9,153,744 km (0.116 R)
• M12: 10,297,869 km (0.098 R)
• M13: 17,629,810 km (0.09 R)
• M14: 22,614,411 km (0.066 R)
• M15: 29,655,085 km (0.098 R)
• M16: 30,766,896 km (0.1 R)
• M17: 33,548,220 km (0.104 R)
• M18: 39,471,997 km (0.114 R)
• M19: 40,409,826 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.7

Radius: 7.3

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.71 AU - 11.05 AU

Year: 23084 Days

Day: 20.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 64.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,953,571 km

• M1: 175,329 km (0.087 R)
• M2: 1,759,869 km (0.116 R)
• M3: 3,886,104 km (0.105 R)
• M4: 4,499,006 km (0.075 R)
• M5: 7,237,844 km (0.101 R)
• M6: 7,607,501 km (0.065 R)
• M7: 15,772,552 km (0.077 R)
• M8: 21,462,059 km (0.075 R)
• M9: 33,067,263 km (0.106 R)
• M10: 35,239,574 km (0.078 R)
• M11: 45,433,472 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.7

Radius: 4.3

Gravity: 16.86 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 9.48 AU - 11.46 AU

Year: 23385 Days

Day: 16.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,953,571 km

• M1: 53,406 km (0.066 R)
• M2: 231,578 km (0.12 R)
• M3: 557,252 km (0.06 R)
• M4: 874,400 km (0.099 R)
• M5: 1,316,760 km (0.104 R)
• M6: 1,555,818 km (0.103 R)
• M7: 2,220,182 km (0.1 R)
• M8: 2,559,620 km (0.047 R)
• M9: 2,718,493 km (0.067 R)
• M10: 3,132,131 km (0.071 R)
• M11: 3,394,525 km (0.119 R)
• M12: 4,238,257 km (0.101 R)
• M13: 8,263,786 km (0.108 R)
• M14: 8,612,050 km (0.102 R)
• M15: 8,764,191 km (0.037 R)
• M16: 8,970,038 km (0.08 R)
• M17: 10,329,733 km (0.108 R)
• M18: 13,314,958 km (0.086 R)
• M19: 13,862,636 km (0.11 R)
• M20: 17,468,543 km (0.099 R)
• M21: 18,712,001 km (0.093 R)
• M22: 23,086,243 km (0.091 R)
• M23: 24,581,324 km (0.061 R)
• M24: 26,889,320 km (0.088 R)
• M25: 29,337,489 km (0.103 R)
• M26: 32,295,338 km (0.083 R)
• M27: 33,157,919 km (0.118 R)
• M28: 33,783,238 km (0.109 R)
• M29: 35,837,367 km (0.094 R)
• M30: 37,296,844 km (0.114 R)
• M31: 40,617,767 km (0.078 R)
• M32: 41,333,592 km (0.106 R)
• M33: 43,085,832 km (0.102 R)
• M34: 45,498,248 km (0.107 R)
• M35: 48,960,242 km (0.067 R)
• M36: 59,837,353 km (0.113 R)
• M37: 60,206,710 km (0.078 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: 504 - 13,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit