🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.52 AU - 0.82 AU

Year: 349 Days

Day: 28.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,852,198 km

• M1: 47,572 km (0.111 R)

Asteroid Belt

Center: 1.14 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.5

Radius: 12.1

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.24 AU - 1.96 AU

Year: 1287 Days

Day: 6.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,852,198 km

• M1: 150,495 km (0.053 R)
• M2: 535,710 km (0.114 R)
• M3: 1,247,048 km (0.101 R)
• M4: 1,820,756 km (0.096 R)
• M5: 2,198,490 km (0.09 R)
• M6: 2,680,345 km (0.099 R)
• M7: 3,087,700 km (0.099 R)
• M8: 3,777,197 km (0.117 R)
• M9: 4,220,904 km (0.106 R)
• M10: 4,912,495 km (0.052 R)
• M11: 5,898,494 km (0.086 R)
• M12: 7,658,813 km (0.055 R)
• M13: 8,093,544 km (0.093 R)
• M14: 8,688,944 km (0.041 R)
• M15: 9,497,370 km (0.105 R)
• M16: 10,786,306 km (0.111 R)

Asteroid Belt

Center: 2.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.7

Radius: 13.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.14 AU - 4.86 AU

Year: 5087 Days

Day: 6.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,852,198 km

• M1: 176,525 km (0.077 R)
• M2: 662,569 km (0.118 R)
• M3: 3,672,329 km (0.095 R)
• M4: 4,277,153 km (0.1 R)
• M5: 4,709,042 km (0.06 R)
• M6: 7,583,415 km (0.072 R)
• M7: 8,927,552 km (0.113 R)
• M8: 10,628,630 km (0.076 R)
• M9: 11,170,323 km (0.047 R)
• M10: 13,000,653 km (0.118 R)
• M11: 14,817,370 km (0.046 R)
• M12: 16,686,446 km (0.068 R)
• M13: 19,009,850 km (0.083 R)
• M14: 19,747,069 km (0.116 R)
• M15: 21,018,052 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.3

Radius: 11.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.08 AU - 4.78 AU

Year: 5928 Days

Day: 10.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,852,198 km

• M1: 149,299 km (0.092 R)
• M2: 581,936 km (0.057 R)
• M3: 1,047,484 km (0.115 R)
• M4: 1,507,199 km (0.078 R)
• M5: 1,891,665 km (0.11 R)
• M6: 2,326,396 km (0.113 R)
• M7: 2,704,580 km (0.091 R)
• M8: 4,576,199 km (0.053 R)
• M9: 5,257,468 km (0.097 R)
• M10: 7,088,246 km (0.101 R)
• M11: 12,848,064 km (0.116 R)
• M12: 15,138,856 km (0.039 R)
• M13: 17,565,034 km (0.041 R)
• M14: 18,903,187 km (0.111 R)
• M15: 19,363,948 km (0.089 R)
• M16: 20,308,210 km (0.074 R)
• M17: 23,400,249 km (0.063 R)
• M18: 25,815,357 km (0.05 R)
• M19: 26,546,591 km (0.075 R)
• M20: 28,220,890 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.8

Radius: 12.8

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.13 AU - 4.91 AU

Year: 6110 Days

Day: 6.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,852,198 km

• M1: 248,632 km (0.098 R)
• M2: 1,436,439 km (0.087 R)
• M3: 1,867,580 km (0.07 R)
• M4: 3,934,424 km (0.075 R)
• M5: 5,371,012 km (0.038 R)
• M6: 8,651,843 km (0.118 R)
• M7: 10,030,388 km (0.108 R)
• M8: 14,401,787 km (0.058 R)
• M9: 17,749,039 km (0.083 R)
• M10: 20,025,321 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.9

Radius: 10.2

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.14 AU - 5.16 AU

Year: 7431 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,852,198 km

• M1: 128,505 km (0.085 R)
• M2: 729,888 km (0.114 R)
• M3: 1,101,639 km (0.072 R)
• M4: 1,480,869 km (0.074 R)
• M5: 1,808,638 km (0.072 R)
• M6: 2,295,729 km (0.092 R)
• M7: 2,868,689 km (0.056 R)
• M8: 3,534,549 km (0.039 R)
• M9: 3,962,997 km (0.048 R)
• M10: 4,951,540 km (0.111 R)
• M11: 5,940,980 km (0.091 R)
• M12: 12,022,283 km (0.086 R)
• M13: 13,635,248 km (0.089 R)
• M14: 14,806,898 km (0.088 R)
• M15: 15,387,787 km (0.055 R)
• M16: 17,349,463 km (0.101 R)
• M17: 18,191,999 km (0.118 R)
• M18: 20,311,202 km (0.105 R)
• M19: 22,061,198 km (0.11 R)
• M20: 24,387,445 km (0.109 R)
• M21: 27,388,977 km (0.112 R)
• M22: 27,736,941 km (0.114 R)
• M23: 28,709,178 km (0.109 R)
• M24: 31,286,599 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.5

Radius: 7.7

Gravity: 13.64 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.22 AU - 7.78 AU

Year: 10537 Days

Day: 16.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,852,198 km

• M1: 96,191 km (0.103 R)
• M2: 540,198 km (0.109 R)
• M3: 943,663 km (0.104 R)
• M4: 1,399,338 km (0.118 R)
• M5: 1,827,488 km (0.119 R)
• M6: 2,171,862 km (0.054 R)
• M7: 2,477,939 km (0.096 R)
• M8: 2,726,272 km (0.091 R)
• M9: 5,531,531 km (0.104 R)
• M10: 6,255,435 km (0.08 R)
• M11: 6,562,111 km (0.039 R)
• M12: 10,903,441 km (0.096 R)
• M13: 11,292,096 km (0.067 R)
• M14: 16,777,252 km (0.118 R)
• M15: 21,570,966 km (0.11 R)
• M16: 21,832,164 km (0.098 R)
• M17: 24,846,262 km (0.064 R)
• M18: 28,543,124 km (0.045 R)
• M19: 33,165,698 km (0.094 R)
• M20: 33,747,185 km (0.057 R)
• M21: 35,653,810 km (0.086 R)
• M22: 36,264,169 km (0.105 R)
• M23: 37,380,020 km (0.113 R)
• M24: 41,131,785 km (0.086 R)
• M25: 42,073,504 km (0.085 R)
• M26: 42,892,103 km (0.093 R)
• M27: 44,702,088 km (0.081 R)
• M28: 47,291,477 km (0.09 R)
• M29: 48,176,498 km (0.113 R)
• M30: 48,473,899 km (0.064 R)
• M31: 49,979,302 km (0.081 R)
• M32: 51,826,686 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.5

Radius: 6.5

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.21 AU - 9.91 AU

Year: 18794 Days

Day: 20.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,852,198 km

• M1: 82,279 km (0.094 R)
• M2: 344,225 km (0.106 R)
• M3: 678,426 km (0.085 R)
• M4: 3,012,303 km (0.074 R)
• M5: 3,271,556 km (0.084 R)
• M6: 3,754,458 km (0.072 R)
• M7: 5,286,190 km (0.111 R)
• M8: 6,948,372 km (0.12 R)
• M9: 9,719,074 km (0.113 R)
• M10: 10,498,779 km (0.098 R)
• M11: 22,097,101 km (0.108 R)
• M12: 24,649,092 km (0.063 R)
• M13: 25,316,448 km (0.114 R)
• M14: 32,666,939 km (0.048 R)
• M15: 33,471,925 km (0.099 R)
• M16: 37,445,993 km (0.115 R)
• M17: 42,670,848 km (0.104 R)
• M18: 45,599,077 km (0.078 R)
• M19: 49,859,175 km (0.101 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 11,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit