🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284

Radius: 10.8

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.43 AU - 2.33 AU

Year: 1664 Days

Day: 11.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,933,575 km

• M1: 137,480 km (0.037 R)
• M2: 557,850 km (0.09 R)
• M3: 908,807 km (0.055 R)
• M4: 1,330,224 km (0.072 R)
• M5: 1,911,262 km (0.109 R)
• M6: 2,487,663 km (0.079 R)
• M7: 4,021,939 km (0.102 R)
• M8: 5,561,750 km (0.099 R)
• M9: 5,915,997 km (0.088 R)
• M10: 6,329,935 km (0.114 R)
• M11: 7,562,472 km (0.095 R)
• M12: 7,920,310 km (0.118 R)
• M13: 8,342,924 km (0.036 R)
• M14: 10,217,385 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.3

Radius: 12.8

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.15 AU - 6.49 AU

Year: 9066 Days

Day: 11.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,933,575 km

• M1: 159,322 km (0.098 R)
• M2: 1,020,557 km (0.067 R)
• M3: 2,096,165 km (0.095 R)
• M4: 3,044,017 km (0.114 R)
• M5: 5,811,279 km (0.04 R)
• M6: 8,057,641 km (0.102 R)
• M7: 8,641,970 km (0.106 R)
• M8: 9,497,520 km (0.07 R)
• M9: 11,770,211 km (0.109 R)
• M10: 12,582,677 km (0.067 R)
• M11: 18,726,063 km (0.104 R)
• M12: 20,650,789 km (0.077 R)
• M13: 23,871,631 km (0.046 R)
• M14: 25,267,978 km (0.077 R)
• M15: 27,614,421 km (0.112 R)
• M16: 31,510,996 km (0.116 R)
• M17: 38,964,561 km (0.077 R)
• M18: 41,029,161 km (0.106 R)
• M19: 43,030,182 km (0.078 R)
• M20: 49,273,948 km (0.118 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.9

Radius: 5

Gravity: 24.92 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.05 AU - 7.07 AU

Year: 9632 Days

Day: 18.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 73.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,933,575 km

• M1: 62,682 km (0.084 R)
• M2: 261,647 km (0.09 R)
• M3: 511,625 km (0.089 R)
• M4: 743,801 km (0.081 R)
• M5: 1,055,114 km (0.117 R)
• M6: 1,516,623 km (0.105 R)
• M7: 2,001,470 km (0.078 R)
• M8: 2,603,302 km (0.108 R)
• M9: 3,089,196 km (0.078 R)
• M10: 3,294,893 km (0.116 R)
• M11: 4,436,026 km (0.073 R)
• M12: 4,698,420 km (0.118 R)
• M13: 5,547,987 km (0.115 R)
• M14: 6,276,229 km (0.112 R)
• M15: 8,176,720 km (0.086 R)
• M16: 9,783,102 km (0.047 R)
• M17: 10,429,964 km (0.108 R)
• M18: 11,588,599 km (0.044 R)
• M19: 13,849,322 km (0.102 R)
• M20: 14,856,265 km (0.102 R)
• M21: 16,046,167 km (0.085 R)
• M22: 16,387,699 km (0.114 R)
• M23: 21,361,529 km (0.113 R)
• M24: 22,960,580 km (0.074 R)
• M25: 25,459,613 km (0.029 R)
• M26: 28,630,938 km (0.115 R)
• M27: 29,846,421 km (0.038 R)
• M28: 31,948,121 km (0.058 R)
• M29: 35,512,590 km (0.113 R)
• M30: 36,796,588 km (0.089 R)
• M31: 39,580,904 km (0.039 R)
• M32: 40,455,303 km (0.027 R)
• M33: 43,949,012 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.5

Radius: 5.1

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.06 AU - 7.76 AU

Year: 10479 Days

Day: 22.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,933,575 km

• M1: 63,429 km (0.096 R)
• M2: 253,868 km (0.087 R)
• M3: 447,597 km (0.117 R)
• M4: 644,468 km (0.026 R)
• M5: 841,638 km (0.111 R)
• M6: 1,261,409 km (0.055 R)
• M7: 1,574,069 km (0.107 R)
• M8: 1,893,909 km (0.036 R)
• M9: 3,117,320 km (0.037 R)
• M10: 6,385,884 km (0.09 R)
• M11: 6,648,877 km (0.056 R)
• M12: 7,773,554 km (0.07 R)
• M13: 9,101,534 km (0.104 R)
• M14: 11,035,536 km (0.062 R)
• M15: 18,915,454 km (0.105 R)
• M16: 20,787,821 km (0.116 R)
• M17: 21,438,422 km (0.08 R)
• M18: 28,975,462 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.7

Radius: 6.6

Gravity: 17.74 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.64 AU - 11.52 AU

Year: 19145 Days

Day: 21.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,933,575 km

• M1: 93,499 km (0.049 R)
• M2: 336,296 km (0.116 R)
• M3: 945,907 km (0.083 R)
• M4: 1,240,166 km (0.113 R)
• M5: 1,787,246 km (0.077 R)
• M6: 2,157,052 km (0.035 R)
• M7: 2,647,882 km (0.112 R)
• M8: 3,023,373 km (0.108 R)
• M9: 3,320,923 km (0.112 R)
• M10: 3,608,301 km (0.083 R)
• M11: 4,299,144 km (0.113 R)
• M12: 7,465,383 km (0.083 R)
• M13: 9,746,301 km (0.063 R)
• M14: 10,763,866 km (0.102 R)
• M15: 11,394,421 km (0.111 R)
• M16: 11,850,395 km (0.11 R)
• M17: 13,220,113 km (0.078 R)
• M18: 14,692,306 km (0.099 R)
• M19: 16,765,134 km (0.114 R)
• M20: 18,934,902 km (0.104 R)
• M21: 20,322,871 km (0.055 R)
• M22: 23,403,839 km (0.042 R)
• M23: 23,822,713 km (0.086 R)
• M24: 27,704,478 km (0.101 R)
• M25: 31,350,627 km (0.094 R)
• M26: 32,633,728 km (0.115 R)
• M27: 35,993,846 km (0.078 R)
• M28: 37,829,113 km (0.112 R)
• M29: 45,795,199 km (0.064 R)
• M30: 51,214,382 km (0.105 R)
• M31: 67,863,129 km (0.085 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 18,349 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit