🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.89 AU - 1.17 AU

Year: 453 Days

Day: 25.6 Hours

Environment

Temp: -70 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.17 AU - 1.75 AU

Year: 765 Days

Day: 45.6 Hours

Environment

Temp: -103 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.97 AU - 2.97 AU

Year: 1683 Days

Day: 37.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.5

Radius: 11.5

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.36 AU - 3.84 AU

Year: 2366 Days

Day: 10.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,705,192 km

• M1: 143,016 km (0.065 R)
• M2: 520,002 km (0.105 R)
• M3: 897,438 km (0.104 R)
• M4: 1,371,812 km (0.039 R)
• M5: 2,226,316 km (0.081 R)
• M6: 2,765,765 km (0.064 R)
• M7: 3,527,219 km (0.117 R)
• M8: 4,810,469 km (0.106 R)
• M9: 5,341,841 km (0.096 R)
• M10: 5,911,958 km (0.088 R)
• M11: 6,314,227 km (0.075 R)
• M12: 7,922,254 km (0.098 R)
• M13: 8,721,705 km (0.103 R)
• M14: 9,274,021 km (0.053 R)
• M15: 11,616,424 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.4

Radius: 13.1

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.57 AU - 3.97 AU

Year: 3173 Days

Day: 12.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 58.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,705,192 km

• M1: 164,258 km (0.112 R)
• M2: 728,990 km (0.107 R)
• M3: 1,287,140 km (0.048 R)
• M4: 1,772,436 km (0.066 R)
• M5: 2,484,821 km (0.063 R)
• M6: 3,215,008 km (0.115 R)
• M7: 3,691,178 km (0.108 R)
• M8: 4,324,874 km (0.092 R)
• M9: 5,256,420 km (0.051 R)
• M10: 5,948,909 km (0.091 R)
• M11: 7,780,286 km (0.08 R)
• M12: 8,645,111 km (0.112 R)
• M13: 9,496,473 km (0.114 R)
• M14: 10,689,965 km (0.084 R)
• M15: 11,452,764 km (0.059 R)
• M16: 14,009,841 km (0.084 R)
• M17: 14,563,652 km (0.113 R)
• M18: 15,715,107 km (0.094 R)
• M19: 18,258,420 km (0.104 R)
• M20: 21,130,400 km (0.047 R)
• M21: 22,673,801 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.8

Radius: 11.8

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.93 AU - 5.19 AU

Year: 4221 Days

Day: 11.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,705,192 km

• M1: 146,905 km (0.076 R)
• M2: 637,885 km (0.104 R)
• M3: 1,362,986 km (0.085 R)
• M4: 2,071,033 km (0.037 R)
• M5: 2,534,786 km (0.098 R)
• M6: 3,463,640 km (0.11 R)
• M7: 4,006,979 km (0.085 R)
• M8: 5,074,809 km (0.112 R)
• M9: 6,168,369 km (0.085 R)
• M10: 7,730,919 km (0.091 R)
• M11: 8,508,528 km (0.046 R)
• M12: 9,256,219 km (0.109 R)
• M13: 10,882,946 km (0.041 R)
• M14: 12,296,047 km (0.096 R)
• M15: 12,894,289 km (0.114 R)
• M16: 14,474,940 km (0.103 R)
• M17: 16,299,586 km (0.107 R)
• M18: 17,267,334 km (0.08 R)
• M19: 18,145,175 km (0.115 R)
• M20: 18,855,615 km (0.069 R)
• M21: 19,584,456 km (0.093 R)
• M22: 20,817,441 km (0.036 R)
• M23: 22,101,589 km (0.062 R)
• M24: 22,615,009 km (0.11 R)
• M25: 23,286,704 km (0.067 R)
• M26: 25,382,121 km (0.104 R)
• M27: 25,945,208 km (0.086 R)
• M28: 27,013,187 km (0.106 R)
• M29: 28,195,907 km (0.064 R)
• M30: 29,148,996 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.1

Radius: 6.5

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.7 AU - 13.76 AU

Year: 16313 Days

Day: 22.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,705,192 km

• M1: 81,980 km (0.12 R)
• M2: 309,368 km (0.063 R)
• M3: 538,104 km (0.09 R)
• M4: 1,157,289 km (0.071 R)
• M5: 1,725,462 km (0.111 R)
• M6: 2,038,869 km (0.11 R)
• M7: 2,521,921 km (0.084 R)
• M8: 4,811,217 km (0.101 R)
• M9: 6,215,792 km (0.092 R)
• M10: 6,689,269 km (0.029 R)
• M11: 8,041,783 km (0.1 R)
• M12: 9,099,889 km (0.031 R)
• M13: 9,378,440 km (0.076 R)
• M14: 10,248,053 km (0.096 R)
• M15: 10,856,916 km (0.12 R)
• M16: 11,275,940 km (0.109 R)
• M17: 15,026,508 km (0.074 R)
• M18: 16,214,614 km (0.117 R)
• M19: 16,693,178 km (0.077 R)
• M20: 17,251,477 km (0.071 R)
• M21: 20,626,704 km (0.025 R)
• M22: 26,617,500 km (0.058 R)
• M23: 29,447,892 km (0.062 R)
• M24: 29,650,148 km (0.046 R)
• M25: 30,987,853 km (0.054 R)
• M26: 34,227,245 km (0.103 R)
• M27: 39,376,404 km (0.102 R)
• M28: 40,116,165 km (0.118 R)
• M29: 41,243,385 km (0.064 R)
• M30: 42,908,409 km (0.094 R)
• M31: 43,429,608 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.9

Radius: 3

Gravity: 33.77 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 11.79 AU - 13.35 AU

Year: 19318 Days

Day: 19.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,705,192 km

• M1: 38,447 km (0.112 R)
• M2: 273,764 km (0.102 R)
• M3: 674,238 km (0.112 R)
• M4: 1,079,947 km (0.079 R)
• M5: 1,613,712 km (0.061 R)
• M6: 2,284,359 km (0.096 R)
• M7: 3,073,787 km (0.094 R)
• M8: 3,476,954 km (0.116 R)
• M9: 3,801,731 km (0.08 R)
• M10: 4,930,596 km (0.081 R)
• M11: 5,845,986 km (0.099 R)
• M12: 6,072,178 km (0.037 R)
• M13: 7,036,186 km (0.042 R)
• M14: 7,335,382 km (0.049 R)
• M15: 8,426,250 km (0.109 R)
• M16: 8,569,714 km (0.069 R)
• M17: 10,421,736 km (0.053 R)
• M18: 10,642,692 km (0.059 R)
• M19: 10,866,640 km (0.065 R)
• M20: 11,093,879 km (0.117 R)
• M21: 12,899,824 km (0.077 R)
• M22: 15,816,235 km (0.117 R)
• M23: 17,233,974 km (0.07 R)
• M24: 19,474,352 km (0.079 R)
• M25: 23,753,300 km (0.061 R)
• M26: 25,606,817 km (0.119 R)
• M27: 28,403,400 km (0.081 R)
• M28: 31,282,112 km (0.086 R)
• M29: 43,448,308 km (0.076 R)
• M30: 44,742,030 km (0.083 R)
• M31: 46,061,035 km (0.107 R)
• M32: 49,704,940 km (0.09 R)
• M33: 53,863,910 km (0.098 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: 554 - 19,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit