🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.81 AU - 1.07 AU

Year: 320 Days

Day: 12.7 Hours

Environment

Temp: 151 °C

Axial Tilt: 45.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 2.04 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.9 AU - 3.36 AU

Year: 1946 Days

Day: 34.5 Hours

Environment

Temp: -89 °C

Axial Tilt: 80.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.3

Radius: 14.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.94 AU - 6.14 AU

Year: 4583 Days

Day: 12.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,799,331 km

• M1: 181,761 km (0.101 R)
• M2: 711,936 km (0.082 R)
• M3: 1,179,878 km (0.027 R)
• M4: 2,199,837 km (0.081 R)
• M5: 2,682,290 km (0.06 R)
• M6: 3,288,760 km (0.08 R)
• M7: 3,965,840 km (0.084 R)
• M8: 5,525,397 km (0.06 R)
• M9: 6,430,614 km (0.029 R)
• M10: 6,948,671 km (0.092 R)
• M11: 7,971,323 km (0.115 R)
• M12: 9,971,745 km (0.045 R)
• M13: 10,628,630 km (0.096 R)
• M14: 12,551,561 km (0.079 R)
• M15: 13,317,801 km (0.101 R)
• M16: 14,550,039 km (0.081 R)
• M17: 15,093,827 km (0.108 R)
• M18: 16,486,134 km (0.095 R)
• M19: 17,906,267 km (0.034 R)
• M20: 20,740,398 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.4

Radius: 12.7

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7.58 AU - 11.16 AU

Year: 10081 Days

Day: 5.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,799,331 km

• M1: 160,369 km (0.108 R)
• M2: 778,956 km (0.119 R)
• M3: 1,237,623 km (0.117 R)
• M4: 1,666,071 km (0.032 R)
• M5: 2,915,962 km (0.063 R)
• M6: 3,526,919 km (0.105 R)
• M7: 5,820,105 km (0.067 R)
• M8: 6,433,456 km (0.103 R)
• M9: 8,926,954 km (0.11 R)
• M10: 10,911,070 km (0.069 R)
• M11: 23,215,495 km (0.108 R)
• M12: 26,462,966 km (0.096 R)
• M13: 28,435,114 km (0.098 R)
• M14: 36,166,332 km (0.066 R)
• M15: 37,539,342 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.2

Radius: 5.5

Gravity: 15.11 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 11.87 AU - 16.15 AU

Year: 18430 Days

Day: 22.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,799,331 km

• M1: 68,366 km (0.087 R)
• M2: 268,229 km (0.08 R)
• M3: 864,077 km (0.12 R)
• M4: 1,161,179 km (0.095 R)
• M5: 1,405,322 km (0.11 R)
• M6: 1,716,336 km (0.036 R)
• M7: 2,391,023 km (0.09 R)
• M8: 3,771,063 km (0.051 R)
• M9: 5,281,702 km (0.105 R)
• M10: 7,024,667 km (0.044 R)
• M11: 7,244,426 km (0.085 R)
• M12: 7,836,984 km (0.097 R)
• M13: 10,419,791 km (0.034 R)
• M14: 13,251,529 km (0.066 R)
• M15: 15,204,978 km (0.077 R)
• M16: 16,634,984 km (0.116 R)
• M17: 17,025,584 km (0.049 R)
• M18: 20,197,508 km (0.114 R)
• M19: 22,964,021 km (0.115 R)
• M20: 27,571,486 km (0.073 R)
• M21: 30,963,318 km (0.098 R)
• M22: 34,119,385 km (0.102 R)
• M23: 39,521,214 km (0.064 R)
• M24: 44,262,270 km (0.105 R)
• M25: 46,229,482 km (0.101 R)
• M26: 47,781,859 km (0.071 R)
• M27: 53,151,076 km (0.06 R)
• M28: 54,339,482 km (0.047 R)
• M29: 55,545,390 km (0.083 R)
• M30: 58,010,614 km (0.045 R)
• M31: 60,731,948 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648.4

Radius: 3.9

Gravity: 42.63 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 15.15 AU - 15.83 AU

Year: 21427 Days

Day: 20.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 90,799,331 km

• M1: 48,619 km (0.033 R)
• M2: 519,703 km (0.073 R)
• M3: 825,331 km (0.102 R)
• M4: 1,375,403 km (0.088 R)
• M5: 2,055,325 km (0.11 R)
• M6: 3,575,539 km (0.09 R)
• M7: 4,270,570 km (0.072 R)
• M8: 5,014,072 km (0.083 R)
• M9: 6,937,152 km (0.087 R)
• M10: 7,411,976 km (0.098 R)
• M11: 7,607,949 km (0.093 R)
• M12: 9,021,948 km (0.106 R)
• M13: 9,415,391 km (0.087 R)
• M14: 11,360,313 km (0.104 R)
• M15: 14,373,513 km (0.103 R)
• M16: 14,832,330 km (0.113 R)
• M17: 16,349,551 km (0.078 R)
• M18: 21,615,696 km (0.06 R)
• M19: 22,318,955 km (0.074 R)
• M20: 22,522,707 km (0.081 R)
• M21: 22,830,580 km (0.064 R)
• M22: 26,518,317 km (0.085 R)
• M23: 26,746,753 km (0.062 R)
• M24: 31,597,464 km (0.044 R)
• M25: 37,431,332 km (0.03 R)
• M26: 37,863,221 km (0.064 R)
• M27: 38,444,259 km (0.066 R)
• M28: 39,326,887 km (0.07 R)
• M29: 42,366,416 km (0.107 R)
• M30: 43,150,159 km (0.106 R)
• M31: 47,213,686 km (0.05 R)
• M32: 52,777,680 km (0.052 R)
• M33: 55,716,530 km (0.104 R)
• M34: 63,129,853 km (0.105 R)
• M35: 65,809,450 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.3

Radius: 4.5

Gravity: 24.46 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 17.41 AU - 21.93 AU

Year: 30661 Days

Day: 18 Hours

Environment

Temp: -186 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,799,331 km

• M1: 56,398 km (0.109 R)
• M2: 197,619 km (0.074 R)
• M3: 471,084 km (0.1 R)
• M4: 1,963,771 km (0.054 R)
• M5: 2,733,153 km (0.115 R)
• M6: 6,219,083 km (0.098 R)
• M7: 6,731,007 km (0.091 R)
• M8: 7,838,629 km (0.055 R)
• M9: 8,888,507 km (0.075 R)
• M10: 9,062,489 km (0.109 R)
• M11: 15,071,237 km (0.091 R)
• M12: 15,992,012 km (0.087 R)
• M13: 18,316,314 km (0.119 R)
• M14: 20,051,201 km (0.081 R)
• M15: 20,551,905 km (0.052 R)
• M16: 21,578,146 km (0.056 R)
• M17: 23,180,938 km (0.115 R)
• M18: 24,976,412 km (0.119 R)
• M19: 31,988,213 km (0.117 R)
• M20: 50,272,215 km (0.07 R)
• M21: 80,591,066 km (0.05 R)

Kuiper Belt

Range: 31.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 15,614 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit