🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.75 AU - 1.09 AU

Year: 331 Days

Day: 23.8 Hours

Environment

Temp: 19 °C

Axial Tilt: 24.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 66,539,326 km

• M1: 517,459 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.73 AU - 2.07 AU

Year: 981 Days

Day: 43.1 Hours

Environment

Temp: -73 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 66,539,326 km

• M1: 418,425 km (0.09 R)
• M2: 574,605 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.75 AU - 4.15 AU

Year: 2401 Days

Day: 24.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 6.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 66,539,326 km

• M1: 65,673 km (0.112 R)
• M2: 1,818,512 km (0.12 R)

Asteroid Belt

Center: 4.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.8

Radius: 12.3

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.47 AU - 7.25 AU

Year: 6011 Days

Day: 7 Hours

Environment

Temp: -159 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,539,326 km

• M1: 153,039 km (0.043 R)
• M2: 611,556 km (0.061 R)
• M3: 1,006,046 km (0.07 R)
• M4: 1,972,149 km (0.115 R)
• M5: 3,021,877 km (0.119 R)
• M6: 5,625,478 km (0.032 R)
• M7: 6,732,203 km (0.111 R)
• M8: 7,672,426 km (0.11 R)
• M9: 8,253,614 km (0.096 R)
• M10: 8,863,973 km (0.03 R)
• M11: 9,373,653 km (0.112 R)
• M12: 12,067,911 km (0.078 R)
• M13: 13,016,361 km (0.084 R)
• M14: 13,564,488 km (0.118 R)
• M15: 14,185,169 km (0.096 R)
• M16: 17,248,036 km (0.073 R)
• M17: 17,909,707 km (0.119 R)
• M18: 18,519,618 km (0.082 R)
• M19: 18,934,004 km (0.108 R)
• M20: 19,709,519 km (0.105 R)
• M21: 20,213,963 km (0.093 R)
• M22: 21,475,223 km (0.096 R)
• M23: 22,163,822 km (0.116 R)
• M24: 24,072,093 km (0.056 R)
• M25: 25,403,813 km (0.032 R)
• M26: 26,174,092 km (0.029 R)
• M27: 29,505,487 km (0.06 R)
• M28: 29,976,421 km (0.119 R)
• M29: 32,306,857 km (0.108 R)
• M30: 33,008,770 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.1

Radius: 8.5

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.87 AU - 7.71 AU

Year: 6630 Days

Day: 12.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,539,326 km

• M1: 105,766 km (0.055 R)
• M2: 379,979 km (0.068 R)
• M3: 1,267,094 km (0.108 R)
• M4: 2,568,895 km (0.105 R)
• M5: 3,436,263 km (0.118 R)
• M6: 3,838,382 km (0.113 R)
• M7: 4,513,817 km (0.091 R)
• M8: 5,389,263 km (0.093 R)
• M9: 6,133,812 km (0.11 R)
• M10: 6,945,081 km (0.095 R)
• M11: 7,473,012 km (0.061 R)
• M12: 8,190,633 km (0.099 R)
• M13: 8,481,750 km (0.098 R)
• M14: 9,670,455 km (0.104 R)
• M15: 10,767,456 km (0.077 R)
• M16: 11,218,644 km (0.109 R)
• M17: 11,892,432 km (0.118 R)
• M18: 17,937,682 km (0.102 R)
• M19: 18,500,769 km (0.059 R)
• M20: 19,440,842 km (0.116 R)
• M21: 20,110,143 km (0.102 R)
• M22: 20,948,788 km (0.117 R)
• M23: 25,144,410 km (0.119 R)
• M24: 25,583,779 km (0.12 R)
• M25: 26,387,269 km (0.117 R)
• M26: 29,868,412 km (0.091 R)
• M27: 30,361,187 km (0.042 R)
• M28: 33,856,840 km (0.073 R)
• M29: 37,156,371 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.4

Radius: 11.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 8.49 AU - 8.81 AU

Year: 9534 Days

Day: 13.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,539,326 km

• M1: 146,756 km (0.074 R)
• M2: 559,047 km (0.048 R)
• M3: 1,184,366 km (0.092 R)
• M4: 1,723,517 km (0.101 R)
• M5: 2,923,591 km (0.115 R)
• M6: 4,693,932 km (0.111 R)
• M7: 7,232,309 km (0.099 R)
• M8: 8,474,121 km (0.103 R)
• M9: 9,765,599 km (0.056 R)
• M10: 15,472,758 km (0.091 R)
• M11: 15,954,314 km (0.105 R)
• M12: 17,981,215 km (0.068 R)
• M13: 27,464,972 km (0.107 R)
• M14: 28,349,993 km (0.088 R)
• M15: 29,254,013 km (0.072 R)
• M16: 33,361,522 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.7

Radius: 13.8

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.87 AU - 8.87 AU

Year: 9900 Days

Day: 8.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,539,326 km

• M1: 172,486 km (0.095 R)
• M2: 773,571 km (0.066 R)
• M3: 1,286,392 km (0.114 R)
• M4: 1,914,853 km (0.097 R)
• M5: 2,482,277 km (0.048 R)
• M6: 3,775,102 km (0.065 R)
• M7: 4,237,509 km (0.079 R)
• M8: 5,787,792 km (0.11 R)
• M9: 9,185,908 km (0.081 R)
• M10: 10,131,366 km (0.113 R)
• M11: 11,195,755 km (0.07 R)
• M12: 12,099,925 km (0.045 R)
• M13: 12,629,501 km (0.08 R)
• M14: 14,118,000 km (0.106 R)
• M15: 15,038,775 km (0.102 R)
• M16: 15,789,906 km (0.108 R)
• M17: 16,782,039 km (0.112 R)
• M18: 17,293,364 km (0.119 R)
• M19: 19,846,102 km (0.097 R)
• M20: 21,339,837 km (0.117 R)
• M21: 22,376,401 km (0.065 R)
• M22: 24,550,207 km (0.102 R)
• M23: 25,400,522 km (0.074 R)
• M24: 26,564,692 km (0.098 R)
• M25: 32,811,899 km (0.053 R)
• M26: 33,843,825 km (0.101 R)
• M27: 34,779,111 km (0.104 R)
• M28: 39,974,496 km (0.097 R)
• M29: 43,437,687 km (0.068 R)
• M30: 45,807,167 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.3

Radius: 8.6

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 9.33 AU - 13.09 AU

Year: 14065 Days

Day: 15 Hours

Environment

Temp: -175 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,539,326 km

• M1: 107,860 km (0.051 R)
• M2: 500,854 km (0.08 R)
• M3: 1,357,301 km (0.061 R)
• M4: 2,124,589 km (0.077 R)
• M5: 2,764,419 km (0.044 R)
• M6: 3,155,019 km (0.088 R)
• M7: 3,868,601 km (0.111 R)
• M8: 4,422,711 km (0.095 R)
• M9: 5,727,504 km (0.051 R)
• M10: 6,241,672 km (0.11 R)
• M11: 6,615,517 km (0.103 R)
• M12: 8,764,640 km (0.111 R)
• M13: 10,567,594 km (0.106 R)
• M14: 13,890,013 km (0.101 R)
• M15: 16,403,706 km (0.046 R)
• M16: 17,521,800 km (0.061 R)
• M17: 18,016,221 km (0.107 R)
• M18: 18,435,245 km (0.054 R)
• M19: 19,998,094 km (0.079 R)
• M20: 23,484,173 km (0.108 R)
• M21: 30,317,504 km (0.103 R)
• M22: 32,365,649 km (0.091 R)
• M23: 35,411,910 km (0.118 R)
• M24: 35,805,502 km (0.116 R)
• M25: 42,214,425 km (0.119 R)
• M26: 44,155,308 km (0.106 R)
• M27: 47,893,310 km (0.106 R)
• M28: 54,758,057 km (0.089 R)
• M29: 55,108,714 km (0.068 R)
• M30: 56,347,983 km (0.103 R)
• M31: 61,680,399 km (0.108 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 11,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit