🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.72 AU - 1.1 AU

Year: 364 Days

Day: 27.4 Hours

Environment

Temp: -44 °C

Axial Tilt: 52.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,664,384 km

• M1: 43,234 km (0.083 R)
• M2: 734,825 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.29 AU - 1.41 AU

Year: 657 Days

Day: 32.3 Hours

Environment

Temp: -85 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969

Radius: 8.9

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.91 AU - 4.77 AU

Year: 3788 Days

Day: 6.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,664,384 km

• M1: 110,852 km (0.067 R)
• M2: 687,851 km (0.094 R)
• M3: 1,293,274 km (0.072 R)
• M4: 2,189,514 km (0.076 R)
• M5: 2,583,256 km (0.053 R)
• M6: 2,913,718 km (0.058 R)
• M7: 3,311,798 km (0.102 R)
• M8: 4,264,437 km (0.061 R)
• M9: 5,389,562 km (0.094 R)
• M10: 5,815,168 km (0.106 R)
• M11: 6,605,793 km (0.101 R)
• M12: 7,160,352 km (0.03 R)
• M13: 7,535,544 km (0.039 R)
• M14: 8,068,112 km (0.095 R)
• M15: 10,238,628 km (0.069 R)
• M16: 11,389,185 km (0.062 R)
• M17: 11,666,390 km (0.033 R)
• M18: 15,133,321 km (0.09 R)
• M19: 16,920,566 km (0.049 R)
• M20: 18,020,410 km (0.12 R)
• M21: 18,334,266 km (0.067 R)
• M22: 19,102,302 km (0.11 R)
• M23: 19,560,221 km (0.112 R)
• M24: 19,958,450 km (0.109 R)
• M25: 21,185,901 km (0.094 R)
• M26: 22,318,506 km (0.108 R)
• M27: 23,416,405 km (0.085 R)
• M28: 26,844,740 km (0.099 R)
• M29: 28,002,178 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.5

Radius: 11.4

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.8 AU - 6.5 AU

Year: 5627 Days

Day: 5.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,664,384 km

• M1: 146,905 km (0.078 R)
• M2: 935,435 km (0.105 R)
• M3: 1,732,194 km (0.069 R)
• M4: 2,670,322 km (0.077 R)
• M5: 6,356,114 km (0.084 R)
• M6: 7,643,105 km (0.105 R)
• M7: 9,096,448 km (0.081 R)
• M8: 11,661,304 km (0.097 R)
• M9: 15,273,195 km (0.091 R)
• M10: 16,013,106 km (0.09 R)
• M11: 16,392,037 km (0.119 R)
• M12: 16,841,579 km (0.114 R)
• M13: 18,862,347 km (0.077 R)
• M14: 21,647,859 km (0.091 R)
• M15: 28,943,149 km (0.112 R)
• M16: 32,129,733 km (0.105 R)
• M17: 35,011,138 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.4

Radius: 8.9

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.5 AU - 9.98 AU

Year: 10826 Days

Day: 12.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 43,664,384 km

• M1: 114,742 km (0.101 R)
• M2: 495,019 km (0.067 R)
• M3: 823,087 km (0.093 R)
• M4: 2,121,298 km (0.11 R)
• M5: 2,740,035 km (0.114 R)
• M6: 3,327,505 km (0.113 R)
• M7: 3,888,049 km (0.038 R)
• M8: 4,191,134 km (0.065 R)
• M9: 5,099,343 km (0.09 R)
• M10: 5,987,804 km (0.058 R)
• M11: 6,622,399 km (0.096 R)
• M12: 7,137,314 km (0.105 R)
• M13: 10,276,925 km (0.087 R)
• M14: 11,859,222 km (0.111 R)
• M15: 12,738,558 km (0.099 R)
• M16: 16,195,316 km (0.113 R)
• M17: 18,176,291 km (0.114 R)
• M18: 19,264,615 km (0.094 R)
• M19: 20,810,261 km (0.11 R)
• M20: 25,941,617 km (0.12 R)
• M21: 26,921,334 km (0.096 R)
• M22: 28,436,610 km (0.095 R)
• M23: 29,795,109 km (0.12 R)
• M24: 31,087,186 km (0.078 R)
• M25: 32,304,015 km (0.042 R)
• M26: 34,363,080 km (0.04 R)
• M27: 35,783,511 km (0.111 R)
• M28: 36,386,840 km (0.04 R)
• M29: 39,891,020 km (0.111 R)
• M30: 42,662,321 km (0.099 R)
• M31: 45,418,662 km (0.115 R)
• M32: 47,562,249 km (0.119 R)
• M33: 49,028,159 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753

Radius: 6.5

Gravity: 17.82 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 9.76 AU - 16.06 AU

Year: 19434 Days

Day: 19.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 43,664,384 km

• M1: 83,326 km (0.09 R)
• M2: 292,015 km (0.036 R)
• M3: 743,801 km (0.114 R)
• M4: 1,017,266 km (0.099 R)
• M5: 1,529,339 km (0.082 R)
• M6: 2,307,547 km (0.072 R)
• M7: 2,897,112 km (0.094 R)
• M8: 3,132,430 km (0.075 R)
• M9: 3,979,004 km (0.073 R)
• M10: 4,270,421 km (0.076 R)
• M11: 5,423,820 km (0.073 R)
• M12: 7,047,107 km (0.053 R)
• M13: 9,933,448 km (0.06 R)
• M14: 10,777,479 km (0.101 R)
• M15: 11,473,558 km (0.118 R)
• M16: 11,865,654 km (0.077 R)
• M17: 12,607,660 km (0.042 R)
• M18: 15,174,310 km (0.08 R)
• M19: 21,509,780 km (0.113 R)
• M20: 23,749,410 km (0.073 R)
• M21: 24,708,781 km (0.102 R)
• M22: 28,805,668 km (0.103 R)
• M23: 31,014,331 km (0.119 R)
• M24: 34,806,189 km (0.104 R)
• M25: 37,880,874 km (0.088 R)
• M26: 39,336,461 km (0.094 R)
• M27: 41,283,776 km (0.085 R)
• M28: 47,176,885 km (0.102 R)
• M29: 48,690,517 km (0.103 R)
• M30: 49,545,319 km (0.048 R)
• M31: 51,284,843 km (0.116 R)
• M32: 55,439,475 km (0.069 R)
• M33: 62,584,568 km (0.062 R)
• M34: 68,169,506 km (0.118 R)
• M35: 71,851,109 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.9

Radius: 6.6

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 13.44 AU - 14.88 AU

Year: 22324 Days

Day: 24.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,664,384 km

• M1: 106,065 km (0.108 R)
• M2: 1,393,055 km (0.117 R)
• M3: 1,662,631 km (0.094 R)
• M4: 1,950,607 km (0.075 R)
• M5: 3,357,425 km (0.119 R)
• M6: 5,054,164 km (0.033 R)
• M7: 5,595,559 km (0.097 R)
• M8: 7,859,423 km (0.095 R)
• M9: 12,956,672 km (0.12 R)
• M10: 18,615,809 km (0.064 R)
• M11: 20,923,656 km (0.119 R)
• M12: 25,637,634 km (0.102 R)
• M13: 41,732,420 km (0.087 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: 441 - 16,820 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit