🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.57 AU - 0.61 AU

Year: 168 Days

Day: 15.3 Hours

Environment

Temp: 209 °C

Axial Tilt: 48.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 52,269,031 km

• M1: 279,299 km (0.043 R)
• M2: 335,398 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.58 AU - 1.64 AU

Year: 758 Days

Day: 39.5 Hours

Environment

Temp: -42 °C

Axial Tilt: 99.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.73 AU - 4.53 AU

Year: 3113 Days

Day: 23.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.3

Radius: 13.3

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.29 AU - 5.61 AU

Year: 4084 Days

Day: 13.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,269,031 km

• M1: 165,455 km (0.056 R)
• M2: 805,585 km (0.116 R)
• M3: 1,508,246 km (0.102 R)
• M4: 2,624,994 km (0.1 R)
• M5: 3,943,849 km (0.044 R)
• M6: 5,961,924 km (0.067 R)
• M7: 6,942,388 km (0.109 R)
• M8: 8,339,483 km (0.115 R)
• M9: 9,565,288 km (0.103 R)
• M10: 12,005,080 km (0.094 R)
• M11: 13,347,272 km (0.119 R)
• M12: 14,145,077 km (0.103 R)
• M13: 17,501,006 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.4

Radius: 13.3

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.48 AU - 7.52 AU

Year: 6146 Days

Day: 8.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,269,031 km

• M1: 165,455 km (0.099 R)
• M2: 705,803 km (0.08 R)
• M3: 1,194,838 km (0.054 R)
• M4: 2,422,438 km (0.06 R)
• M5: 2,857,170 km (0.116 R)
• M6: 3,404,100 km (0.072 R)
• M7: 6,266,804 km (0.069 R)
• M8: 6,768,855 km (0.073 R)
• M9: 7,331,792 km (0.118 R)
• M10: 7,854,187 km (0.07 R)
• M11: 8,589,461 km (0.072 R)
• M12: 9,491,387 km (0.118 R)
• M13: 11,576,182 km (0.093 R)
• M14: 12,238,003 km (0.096 R)
• M15: 13,950,600 km (0.107 R)
• M16: 14,429,612 km (0.107 R)
• M17: 15,029,948 km (0.073 R)
• M18: 16,574,397 km (0.084 R)
• M19: 18,666,822 km (0.095 R)
• M20: 19,643,846 km (0.064 R)
• M21: 20,178,658 km (0.111 R)
• M22: 20,792,010 km (0.066 R)
• M23: 21,487,939 km (0.109 R)
• M24: 27,213,199 km (0.096 R)
• M25: 27,627,585 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.3

Radius: 12

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 8.08 AU - 13.42 AU

Year: 13071 Days

Day: 7.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,269,031 km

• M1: 149,299 km (0.098 R)
• M2: 553,063 km (0.094 R)
• M3: 2,140,895 km (0.102 R)
• M4: 2,910,127 km (0.114 R)
• M5: 5,821,900 km (0.104 R)
• M6: 6,605,793 km (0.077 R)
• M7: 9,300,948 km (0.091 R)
• M8: 10,506,258 km (0.079 R)
• M9: 11,476,700 km (0.115 R)
• M10: 13,277,858 km (0.092 R)
• M11: 14,301,108 km (0.117 R)
• M12: 16,082,519 km (0.114 R)
• M13: 17,057,748 km (0.11 R)
• M14: 19,736,746 km (0.039 R)
• M15: 22,013,775 km (0.098 R)
• M16: 23,292,239 km (0.107 R)
• M17: 28,639,316 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.6

Radius: 6.2

Gravity: 22.52 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 10.96 AU - 15.74 AU

Year: 18089 Days

Day: 21.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 52,269,031 km

• M1: 78,240 km (0.097 R)
• M2: 397,930 km (0.087 R)
• M3: 739,313 km (0.114 R)
• M4: 1,049,279 km (0.085 R)
• M5: 1,278,015 km (0.114 R)
• M6: 2,279,273 km (0.073 R)
• M7: 3,457,805 km (0.12 R)
• M8: 3,783,929 km (0.108 R)
• M9: 4,033,757 km (0.096 R)
• M10: 4,228,234 km (0.049 R)
• M11: 5,650,162 km (0.095 R)
• M12: 6,895,714 km (0.101 R)
• M13: 7,461,044 km (0.057 R)
• M14: 9,399,085 km (0.028 R)
• M15: 12,314,448 km (0.083 R)
• M16: 15,228,764 km (0.086 R)
• M17: 17,781,203 km (0.097 R)
• M18: 20,036,690 km (0.096 R)
• M19: 22,884,136 km (0.1 R)
• M20: 23,400,847 km (0.103 R)
• M21: 24,350,644 km (0.078 R)
• M22: 24,672,878 km (0.048 R)
• M23: 30,594,859 km (0.079 R)
• M24: 31,602,251 km (0.066 R)
• M25: 34,621,435 km (0.093 R)
• M26: 36,690,823 km (0.073 R)
• M27: 37,541,137 km (0.112 R)
• M28: 39,281,259 km (0.056 R)
• M29: 41,837,139 km (0.115 R)
• M30: 47,947,314 km (0.093 R)
• M31: 51,566,236 km (0.107 R)
• M32: 52,097,608 km (0.109 R)
• M33: 56,669,020 km (0.093 R)
• M34: 61,898,662 km (0.077 R)
• M35: 62,098,226 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.3

Radius: 4.4

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 16.66 AU - 17.98 AU

Year: 26732 Days

Day: 22.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,269,031 km

• M1: 58,044 km (0.073 R)
• M2: 220,507 km (0.093 R)
• M3: 504,594 km (0.095 R)
• M4: 940,971 km (0.104 R)
• M5: 1,164,470 km (0.06 R)
• M6: 1,610,271 km (0.08 R)
• M7: 1,931,159 km (0.1 R)
• M8: 2,088,835 km (0.047 R)
• M9: 3,128,241 km (0.072 R)
• M10: 6,011,590 km (0.105 R)
• M11: 7,103,954 km (0.115 R)
• M12: 7,828,157 km (0.052 R)
• M13: 9,322,939 km (0.06 R)
• M14: 10,615,764 km (0.077 R)
• M15: 11,220,588 km (0.046 R)
• M16: 12,259,546 km (0.092 R)
• M17: 21,127,558 km (0.056 R)
• M18: 21,732,083 km (0.078 R)
• M19: 25,024,283 km (0.117 R)
• M20: 27,191,507 km (0.096 R)
• M21: 36,247,265 km (0.109 R)
• M22: 38,246,042 km (0.103 R)
• M23: 39,531,836 km (0.06 R)
• M24: 44,539,774 km (0.098 R)
• M25: 51,489,792 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 13,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit