🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.41 AU - 0.59 AU

Year: 225 Days

Day: 37.2 Hours

Environment

Temp: -114 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.39 AU - 0.65 AU

Year: 238 Days

Day: 45.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.77 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.1

Radius: 8.1

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.32 AU - 3.7 AU

Year: 3320 Days

Day: 8.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,800,500 km

• M1: 100,679 km (0.089 R)
• M2: 362,326 km (0.113 R)
• M3: 631,602 km (0.117 R)
• M4: 927,806 km (0.117 R)
• M5: 1,217,577 km (0.106 R)
• M6: 1,515,426 km (0.066 R)
• M7: 1,886,280 km (0.1 R)
• M8: 2,518,480 km (0.118 R)
• M9: 2,859,713 km (0.119 R)
• M10: 3,810,407 km (0.058 R)
• M11: 5,572,072 km (0.106 R)
• M12: 6,072,477 km (0.096 R)
• M13: 6,863,850 km (0.057 R)
• M14: 7,346,153 km (0.074 R)
• M15: 7,850,747 km (0.083 R)
• M16: 8,277,549 km (0.1 R)
• M17: 9,321,593 km (0.032 R)
• M18: 12,009,418 km (0.065 R)
• M19: 12,312,503 km (0.086 R)
• M20: 13,115,545 km (0.096 R)
• M21: 13,763,752 km (0.104 R)
• M22: 14,924,632 km (0.049 R)
• M23: 15,733,956 km (0.076 R)
• M24: 17,605,874 km (0.104 R)
• M25: 20,716,014 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.1

Radius: 12.3

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.93 AU - 4.31 AU

Year: 4379 Days

Day: 9.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,800,500 km

• M1: 153,039 km (0.101 R)
• M2: 573,259 km (0.118 R)
• M3: 1,158,486 km (0.065 R)
• M4: 1,985,912 km (0.094 R)
• M5: 2,514,591 km (0.095 R)
• M6: 3,022,924 km (0.11 R)
• M7: 3,412,776 km (0.053 R)
• M8: 4,295,553 km (0.096 R)
• M9: 4,689,145 km (0.111 R)
• M10: 5,187,905 km (0.098 R)
• M11: 5,577,906 km (0.086 R)
• M12: 7,100,663 km (0.051 R)
• M13: 8,612,948 km (0.074 R)
• M14: 10,726,167 km (0.084 R)
• M15: 11,831,845 km (0.093 R)
• M16: 14,161,234 km (0.106 R)
• M17: 14,982,975 km (0.041 R)
• M18: 15,434,012 km (0.117 R)
• M19: 16,963,052 km (0.119 R)
• M20: 21,865,524 km (0.11 R)
• M21: 24,020,481 km (0.064 R)
• M22: 25,427,150 km (0.117 R)
• M23: 26,313,368 km (0.096 R)
• M24: 28,233,008 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.5

Radius: 9.6

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.87 AU - 6.03 AU

Year: 7002 Days

Day: 8.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,800,500 km

• M1: 120,277 km (0.099 R)
• M2: 517,908 km (0.079 R)
• M3: 5,026,937 km (0.097 R)
• M4: 5,747,550 km (0.106 R)
• M5: 10,916,905 km (0.085 R)
• M6: 15,376,866 km (0.11 R)
• M7: 17,362,329 km (0.112 R)
• M8: 18,444,221 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.1

Radius: 14.9

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.8 AU - 5.9 AU

Year: 7868 Days

Day: 13.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,800,500 km

• M1: 186,399 km (0.117 R)
• M2: 950,096 km (0.087 R)
• M3: 1,460,674 km (0.106 R)
• M4: 2,033,783 km (0.055 R)
• M5: 2,643,694 km (0.113 R)
• M6: 3,718,105 km (0.093 R)
• M7: 4,238,556 km (0.086 R)
• M8: 5,008,686 km (0.059 R)
• M9: 6,615,816 km (0.086 R)
• M10: 8,295,800 km (0.102 R)
• M11: 9,191,592 km (0.119 R)
• M12: 10,198,087 km (0.084 R)
• M13: 10,876,214 km (0.069 R)
• M14: 11,532,649 km (0.084 R)
• M15: 12,268,970 km (0.097 R)
• M16: 12,869,456 km (0.046 R)
• M17: 14,607,334 km (0.103 R)
• M18: 15,850,044 km (0.051 R)
• M19: 16,562,878 km (0.069 R)
• M20: 17,162,017 km (0.086 R)
• M21: 17,983,310 km (0.027 R)
• M22: 23,639,755 km (0.102 R)
• M23: 28,353,434 km (0.084 R)
• M24: 36,378,462 km (0.109 R)
• M25: 38,540,451 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833

Radius: 5.4

Gravity: 28.57 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 6.93 AU - 8.61 AU

Year: 13771 Days

Day: 15.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,800,500 km

• M1: 67,169 km (0.07 R)
• M2: 280,646 km (0.058 R)
• M3: 550,819 km (0.11 R)
• M4: 778,208 km (0.098 R)
• M5: 1,067,530 km (0.064 R)
• M6: 2,299,469 km (0.029 R)
• M7: 2,826,203 km (0.092 R)
• M8: 3,593,490 km (0.106 R)
• M9: 5,566,986 km (0.105 R)
• M10: 6,265,009 km (0.101 R)
• M11: 6,510,051 km (0.06 R)
• M12: 11,176,756 km (0.11 R)
• M13: 13,258,710 km (0.082 R)
• M14: 13,663,222 km (0.104 R)
• M15: 14,215,388 km (0.066 R)
• M16: 15,810,101 km (0.08 R)
• M17: 19,093,625 km (0.044 R)
• M18: 22,045,789 km (0.077 R)
• M19: 25,083,374 km (0.072 R)
• M20: 37,161,757 km (0.097 R)
• M21: 37,696,120 km (0.097 R)
• M22: 43,768,148 km (0.111 R)
• M23: 48,369,928 km (0.117 R)
• M24: 49,166,986 km (0.098 R)
• M25: 54,476,813 km (0.074 R)
• M26: 54,820,738 km (0.102 R)
• M27: 56,915,258 km (0.116 R)
• M28: 59,425,510 km (0.048 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.8

Radius: 4.3

Gravity: 24.06 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 8.37 AU - 13.65 AU

Year: 23228 Days

Day: 16.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 111.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,800,500 km

• M1: 53,406 km (0.073 R)
• M2: 248,781 km (0.053 R)
• M3: 698,772 km (0.062 R)
• M4: 1,773,184 km (0.084 R)
• M5: 2,392,818 km (0.106 R)
• M6: 2,620,506 km (0.05 R)
• M7: 3,040,726 km (0.095 R)
• M8: 3,920,511 km (0.117 R)
• M9: 4,237,360 km (0.062 R)
• M10: 4,536,855 km (0.114 R)
• M11: 5,637,895 km (0.115 R)
• M12: 6,250,349 km (0.099 R)
• M13: 6,682,537 km (0.087 R)
• M14: 7,654,624 km (0.107 R)
• M15: 8,770,325 km (0.041 R)
• M16: 10,341,402 km (0.087 R)
• M17: 12,829,065 km (0.095 R)
• M18: 13,454,982 km (0.12 R)
• M19: 14,028,241 km (0.107 R)
• M20: 15,300,122 km (0.061 R)
• M21: 15,845,556 km (0.095 R)
• M22: 19,756,344 km (0.1 R)
• M23: 37,160,410 km (0.068 R)
• M24: 39,871,124 km (0.092 R)
• M25: 40,017,281 km (0.092 R)
• M26: 44,729,315 km (0.083 R)
• M27: 47,957,637 km (0.095 R)
• M28: 51,684,419 km (0.113 R)
• M29: 56,885,638 km (0.067 R)
• M30: 57,629,289 km (0.106 R)
• M31: 61,056,426 km (0.066 R)
• M32: 61,640,456 km (0.061 R)
• M33: 63,414,986 km (0.098 R)
• M34: 63,813,814 km (0.107 R)
• M35: 64,415,347 km (0.044 R)
• M36: 68,732,143 km (0.065 R)
• M37: 70,000,135 km (0.109 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 18,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit