🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.2 AU - 1.42 AU

Year: 565 Days

Day: 31.1 Hours

Environment

Temp: -33 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.46 AU - 2.3 AU

Year: 971 Days

Day: 29.7 Hours

Environment

Temp: -65 °C

Axial Tilt: 46.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.61 AU - 2.31 AU

Year: 1034 Days

Day: 27.6 Hours

Environment

Temp: -76 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 83,180,831 km

• M1: 215,122 km (0.075 R)
• M2: 1,405,472 km (0.112 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.79 AU - 2.99 AU

Year: 1851 Days

Day: 47.1 Hours

Environment

Temp: -118 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.5

Radius: 9.8

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.81 AU - 7.43 AU

Year: 6417 Days

Day: 10.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,180,831 km

• M1: 122,521 km (0.105 R)
• M2: 433,086 km (0.087 R)
• M3: 828,473 km (0.103 R)
• M4: 1,577,510 km (0.092 R)
• M5: 2,483,025 km (0.112 R)
• M6: 2,863,752 km (0.045 R)
• M7: 3,302,672 km (0.091 R)
• M8: 4,970,988 km (0.078 R)
• M9: 5,774,627 km (0.096 R)
• M10: 7,879,918 km (0.108 R)
• M11: 8,857,690 km (0.11 R)
• M12: 11,009,207 km (0.071 R)
• M13: 12,848,213 km (0.076 R)
• M14: 13,942,821 km (0.12 R)
• M15: 14,565,447 km (0.106 R)
• M16: 22,547,840 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.5

Radius: 8

Gravity: 14.4 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.25 AU - 10.83 AU

Year: 11101 Days

Day: 13.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,180,831 km

• M1: 99,782 km (0.048 R)
• M2: 418,874 km (0.113 R)
• M3: 1,141,432 km (0.071 R)
• M4: 1,613,263 km (0.087 R)
• M5: 2,527,456 km (0.109 R)
• M6: 2,991,209 km (0.113 R)
• M7: 4,147,003 km (0.075 R)
• M8: 6,560,016 km (0.106 R)
• M9: 7,135,669 km (0.047 R)
• M10: 9,832,918 km (0.101 R)
• M11: 11,034,638 km (0.073 R)
• M12: 11,436,757 km (0.096 R)
• M13: 15,084,103 km (0.079 R)
• M14: 15,436,855 km (0.106 R)
• M15: 16,306,168 km (0.089 R)
• M16: 17,207,794 km (0.11 R)
• M17: 19,274,489 km (0.093 R)
• M18: 28,339,073 km (0.094 R)
• M19: 30,083,085 km (0.03 R)
• M20: 31,551,837 km (0.091 R)
• M21: 33,067,861 km (0.097 R)
• M22: 36,496,944 km (0.053 R)
• M23: 36,877,820 km (0.089 R)
• M24: 46,685,755 km (0.1 R)
• M25: 47,134,549 km (0.053 R)
• M26: 48,040,963 km (0.117 R)
• M27: 53,072,537 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.5

Radius: 12.7

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.87 AU - 10.63 AU

Year: 11469 Days

Day: 14.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,180,831 km

• M1: 250,576 km (0.07 R)
• M2: 657,782 km (0.11 R)
• M3: 1,564,495 km (0.095 R)
• M4: 2,354,820 km (0.078 R)
• M5: 4,724,750 km (0.031 R)
• M6: 6,821,214 km (0.031 R)
• M7: 9,717,878 km (0.083 R)
• M8: 10,161,286 km (0.089 R)
• M9: 12,527,326 km (0.067 R)
• M10: 14,086,883 km (0.061 R)
• M11: 16,593,845 km (0.078 R)
• M12: 17,443,710 km (0.076 R)
• M13: 21,715,328 km (0.05 R)
• M14: 23,340,110 km (0.119 R)
• M15: 24,137,317 km (0.082 R)
• M16: 26,734,336 km (0.117 R)
• M17: 27,902,247 km (0.093 R)
• M18: 28,498,993 km (0.102 R)
• M19: 30,131,704 km (0.115 R)
• M20: 33,027,021 km (0.091 R)
• M21: 36,574,435 km (0.095 R)
• M22: 40,621,656 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.1

Radius: 13.4

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 10.42 AU - 12.92 AU

Year: 15019 Days

Day: 14 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,180,831 km

• M1: 167,550 km (0.112 R)
• M2: 605,871 km (0.109 R)
• M3: 1,145,321 km (0.041 R)
• M4: 1,604,138 km (0.096 R)
• M5: 2,956,952 km (0.094 R)
• M6: 3,844,366 km (0.094 R)
• M7: 4,427,050 km (0.114 R)
• M8: 5,589,425 km (0.079 R)
• M9: 6,261,868 km (0.034 R)
• M10: 8,607,861 km (0.097 R)
• M11: 10,247,305 km (0.055 R)
• M12: 10,856,467 km (0.078 R)
• M13: 15,103,102 km (0.079 R)
• M14: 15,530,503 km (0.1 R)
• M15: 16,039,285 km (0.099 R)
• M16: 16,709,933 km (0.094 R)
• M17: 21,579,044 km (0.114 R)
• M18: 22,121,785 km (0.083 R)
• M19: 27,955,952 km (0.109 R)
• M20: 29,256,706 km (0.057 R)
• M21: 31,629,478 km (0.119 R)
• M22: 33,161,210 km (0.094 R)
• M23: 35,865,042 km (0.12 R)
• M24: 38,052,612 km (0.109 R)
• M25: 39,649,569 km (0.089 R)
• M26: 45,590,998 km (0.079 R)
• M27: 47,391,708 km (0.099 R)
• M28: 48,309,790 km (0.093 R)
• M29: 53,902,506 km (0.101 R)
• M30: 55,238,864 km (0.116 R)
• M31: 56,768,502 km (0.072 R)
• M32: 57,803,869 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.7

Radius: 5.5

Gravity: 19.76 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 13.54 AU - 18.78 AU

Year: 24473 Days

Day: 21.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 83,180,831 km

• M1: 95,743 km (0.071 R)
• M2: 296,503 km (0.098 R)
• M3: 506,239 km (0.093 R)
• M4: 860,337 km (0.094 R)
• M5: 1,580,352 km (0.074 R)
• M6: 3,082,464 km (0.093 R)
• M7: 3,818,336 km (0.105 R)
• M8: 5,113,255 km (0.048 R)
• M9: 5,630,565 km (0.08 R)
• M10: 7,845,810 km (0.086 R)
• M11: 8,642,419 km (0.037 R)
• M12: 8,919,623 km (0.085 R)
• M13: 9,608,970 km (0.097 R)
• M14: 10,964,178 km (0.054 R)
• M15: 11,289,104 km (0.033 R)
• M16: 11,553,593 km (0.036 R)
• M17: 12,163,952 km (0.092 R)
• M18: 12,582,527 km (0.043 R)
• M19: 13,820,898 km (0.09 R)
• M20: 14,742,571 km (0.074 R)
• M21: 15,058,671 km (0.05 R)
• M22: 15,622,805 km (0.057 R)
• M23: 17,399,728 km (0.036 R)
• M24: 20,850,353 km (0.1 R)
• M25: 22,060,749 km (0.113 R)
• M26: 22,998,728 km (0.036 R)
• M27: 25,857,244 km (0.096 R)
• M28: 30,832,121 km (0.085 R)
• M29: 34,158,879 km (0.115 R)
• M30: 36,122,351 km (0.098 R)
• M31: 37,131,837 km (0.038 R)
• M32: 37,423,703 km (0.095 R)
• M33: 41,358,127 km (0.09 R)
• M34: 41,671,684 km (0.03 R)
• M35: 42,462,608 km (0.114 R)
• M36: 47,590,972 km (0.104 R)
• M37: 58,069,555 km (0.075 R)
• M38: 68,660,636 km (0.055 R)
• M39: 69,763,321 km (0.103 R)
• M40: 71,102,073 km (0.091 R)
• M41: 75,688,444 km (0.112 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 18,025 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit