🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969

Radius: 12.2

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.74 AU - 0.84 AU

Year: 453 Days

Day: 9.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,284,113 km

• M1: 151,692 km (0.05 R)
• M2: 589,565 km (0.033 R)
• M3: 982,858 km (0.116 R)
• M4: 1,397,095 km (0.095 R)
• M5: 2,190,861 km (0.118 R)
• M6: 3,019,334 km (0.108 R)
• M7: 3,437,460 km (0.11 R)
• M8: 3,840,177 km (0.057 R)
• M9: 4,289,121 km (0.106 R)
• M10: 5,044,739 km (0.037 R)
• M11: 5,498,021 km (0.114 R)
• M12: 6,033,432 km (0.119 R)
• M13: 6,564,355 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.5

Radius: 13.9

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.61 AU - 2.91 AU

Year: 2961 Days

Day: 9.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,284,113 km

• M1: 172,935 km (0.097 R)
• M2: 616,343 km (0.045 R)
• M3: 1,328,728 km (0.089 R)
• M4: 2,210,159 km (0.1 R)
• M5: 3,373,282 km (0.109 R)
• M6: 4,430,790 km (0.112 R)
• M7: 5,607,227 km (0.105 R)
• M8: 7,115,623 km (0.105 R)
• M9: 7,721,344 km (0.111 R)
• M10: 8,756,113 km (0.068 R)
• M11: 10,461,529 km (0.107 R)
• M12: 12,693,828 km (0.097 R)
• M13: 13,504,050 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.9

Radius: 8.8

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.7 AU - 3.7 AU

Year: 3696 Days

Day: 11.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,284,113 km

• M1: 109,506 km (0.072 R)
• M2: 404,961 km (0.115 R)
• M3: 769,232 km (0.046 R)
• M4: 1,532,481 km (0.034 R)
• M5: 1,811,181 km (0.095 R)
• M6: 2,124,140 km (0.113 R)
• M7: 2,795,685 km (0.076 R)
• M8: 3,269,761 km (0.116 R)
• M9: 4,018,498 km (0.044 R)
• M10: 4,600,733 km (0.093 R)
• M11: 5,514,028 km (0.082 R)
• M12: 5,906,274 km (0.082 R)
• M13: 6,688,072 km (0.084 R)
• M14: 9,193,687 km (0.094 R)
• M15: 9,708,453 km (0.086 R)
• M16: 14,790,143 km (0.096 R)
• M17: 15,445,980 km (0.058 R)
• M18: 16,599,679 km (0.107 R)
• M19: 18,264,105 km (0.037 R)
• M20: 18,668,019 km (0.097 R)
• M21: 19,136,859 km (0.097 R)
• M22: 20,281,731 km (0.114 R)
• M23: 20,652,584 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.8

Radius: 14

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.97 AU - 4.71 AU

Year: 5838 Days

Day: 9.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,284,113 km

• M1: 176,376 km (0.105 R)
• M2: 664,514 km (0.075 R)
• M3: 1,534,276 km (0.116 R)
• M4: 2,388,779 km (0.118 R)
• M5: 3,455,262 km (0.116 R)
• M6: 6,482,076 km (0.077 R)
• M7: 6,925,933 km (0.069 R)
• M8: 7,500,239 km (0.029 R)
• M9: 11,992,813 km (0.03 R)
• M10: 12,983,001 km (0.071 R)
• M11: 13,858,597 km (0.054 R)
• M12: 15,007,958 km (0.113 R)
• M13: 16,157,767 km (0.08 R)
• M14: 17,627,416 km (0.099 R)
• M15: 18,496,580 km (0.029 R)
• M16: 19,254,293 km (0.069 R)
• M17: 21,879,137 km (0.066 R)
• M18: 22,416,044 km (0.12 R)
• M19: 23,836,925 km (0.11 R)
• M20: 28,098,818 km (0.086 R)
• M21: 29,563,382 km (0.108 R)
• M22: 30,409,358 km (0.095 R)
• M23: 31,271,340 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.6

Radius: 6.9

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.19 AU - 8.23 AU

Year: 11223 Days

Day: 20.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,284,113 km

• M1: 85,869 km (0.086 R)
• M2: 464,501 km (0.036 R)
• M3: 879,336 km (0.076 R)
• M4: 1,120,787 km (0.054 R)
• M5: 2,823,660 km (0.105 R)
• M6: 3,246,423 km (0.052 R)
• M7: 3,759,245 km (0.11 R)
• M8: 4,009,672 km (0.106 R)
• M9: 4,379,029 km (0.078 R)
• M10: 4,741,953 km (0.111 R)
• M11: 5,034,716 km (0.12 R)
• M12: 5,560,104 km (0.114 R)
• M13: 6,087,437 km (0.119 R)
• M14: 6,683,734 km (0.087 R)
• M15: 7,356,625 km (0.106 R)
• M16: 8,115,086 km (0.038 R)
• M17: 8,620,278 km (0.111 R)
• M18: 10,554,728 km (0.049 R)
• M19: 11,004,120 km (0.103 R)
• M20: 12,264,781 km (0.079 R)
• M21: 13,913,051 km (0.115 R)
• M22: 15,703,737 km (0.097 R)
• M23: 18,346,832 km (0.112 R)
• M24: 19,886,045 km (0.084 R)
• M25: 21,668,653 km (0.095 R)
• M26: 25,105,814 km (0.064 R)
• M27: 25,816,404 km (0.112 R)
• M28: 27,184,775 km (0.117 R)
• M29: 27,933,962 km (0.03 R)
• M30: 29,180,710 km (0.105 R)
• M31: 31,374,413 km (0.048 R)
• M32: 32,721,093 km (0.115 R)
• M33: 37,564,923 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537.4

Radius: 3.4

Gravity: 46.49 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.13 AU - 8.41 AU

Year: 13984 Days

Day: 21.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 55,284,113 km

• M1: 42,635 km (0.095 R)
• M2: 193,879 km (0.07 R)
• M3: 353,799 km (0.113 R)
• M4: 1,216,380 km (0.116 R)
• M5: 1,389,615 km (0.109 R)
• M6: 2,119,054 km (0.096 R)
• M7: 2,370,378 km (0.107 R)
• M8: 3,170,278 km (0.078 R)
• M9: 3,293,996 km (0.099 R)
• M10: 4,164,356 km (0.09 R)
• M11: 5,962,672 km (0.059 R)
• M12: 7,199,098 km (0.073 R)
• M13: 7,413,322 km (0.043 R)
• M14: 9,435,138 km (0.119 R)
• M15: 9,900,387 km (0.101 R)
• M16: 10,599,159 km (0.076 R)
• M17: 11,503,627 km (0.097 R)
• M18: 13,658,884 km (0.081 R)
• M19: 13,987,251 km (0.065 R)
• M20: 14,320,855 km (0.117 R)
• M21: 16,141,610 km (0.082 R)
• M22: 16,956,320 km (0.05 R)
• M23: 17,107,414 km (0.044 R)
• M24: 18,828,238 km (0.103 R)
• M25: 21,532,220 km (0.095 R)
• M26: 21,709,344 km (0.076 R)
• M27: 22,246,550 km (0.048 R)
• M28: 23,816,579 km (0.119 R)
• M29: 35,548,194 km (0.118 R)
• M30: 38,074,304 km (0.1 R)
• M31: 38,986,103 km (0.063 R)
• M32: 39,249,245 km (0.049 R)
• M33: 40,045,704 km (0.116 R)
• M34: 40,988,470 km (0.064 R)
• M35: 41,260,589 km (0.078 R)
• M36: 43,763,660 km (0.117 R)
• M37: 46,365,915 km (0.088 R)
• M38: 48,611,828 km (0.06 R)
• M39: 54,623,867 km (0.079 R)
• M40: 54,788,425 km (0.086 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 13,820 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit