🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.42 AU - 0.64 AU

Year: 245 Days

Day: 30 Hours

Environment

Temp: -118 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 22,270,652 km

• M1: 90,208 km (0.061 R)
• M2: 269,127 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.5 AU - 0.66 AU

Year: 281 Days

Day: 22.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.64 AU - 0.66 AU

Year: 333 Days

Day: 31 Hours

Environment

Temp: -126 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,270,652 km

• M1: 831,764 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.4

Radius: 15

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.71 AU - 0.73 AU

Year: 388 Days

Day: 7.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 22,270,652 km

• M1: 187,745 km (0.116 R)
• M2: 349,909 km (0.075 R)
• M3: 466,297 km (0.112 R)
• M4: 559,646 km (0.098 R)
• M5: 677,678 km (0.082 R)
• M6: 799,002 km (0.087 R)
• M7: 910,303 km (0.114 R)
• M8: 1,016,218 km (0.072 R)
• M9: 1,146,967 km (0.114 R)
• M10: 1,262,756 km (0.107 R)
• M11: 1,413,550 km (0.111 R)
• M12: 1,520,812 km (0.116 R)
• M13: 1,621,641 km (0.096 R)
• M14: 1,720,076 km (0.05 R)
• M15: 1,820,756 km (0.106 R)
• M16: 1,978,282 km (0.12 R)
• M17: 2,084,198 km (0.028 R)
• M18: 2,244,267 km (0.067 R)
• M19: 2,376,362 km (0.112 R)
• M20: 2,582,508 km (0.114 R)
• M21: 2,693,360 km (0.116 R)
• M22: 2,794,638 km (0.036 R)
• M23: 2,954,708 km (0.087 R)
• M24: 3,082,763 km (0.075 R)
• M25: 3,417,115 km (0.049 R)
• M26: 3,607,553 km (0.113 R)
• M27: 3,707,185 km (0.051 R)
• M28: 3,973,170 km (0.105 R)
• M29: 4,199,811 km (0.071 R)
• M30: 4,344,322 km (0.079 R)
• M31: 4,517,556 km (0.061 R)
• M32: 4,645,463 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.6

Radius: 8.3

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.02 AU - 1.16 AU

Year: 724 Days

Day: 7.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 22,270,652 km

• M1: 109,356 km (0.114 R)
• M2: 163,361 km (0.088 R)
• M3: 227,090 km (0.061 R)
• M4: 329,415 km (0.085 R)
• M5: 486,343 km (0.063 R)
• M6: 548,725 km (0.111 R)
• M7: 665,112 km (0.082 R)
• M8: 750,084 km (0.066 R)
• M9: 823,835 km (0.034 R)
• M10: 1,007,242 km (0.086 R)
• M11: 1,064,538 km (0.107 R)
• M12: 1,178,233 km (0.116 R)
• M13: 1,234,482 km (0.103 R)
• M14: 1,322,744 km (0.116 R)
• M15: 1,399,638 km (0.106 R)
• M16: 1,478,027 km (0.098 R)
• M17: 1,538,913 km (0.077 R)
• M18: 1,658,592 km (0.094 R)
• M19: 1,876,855 km (0.046 R)
• M20: 1,932,804 km (0.034 R)
• M21: 1,999,824 km (0.118 R)
• M22: 2,168,122 km (0.113 R)
• M23: 2,237,685 km (0.027 R)
• M24: 2,479,286 km (0.109 R)
• M25: 2,535,385 km (0.059 R)
• M26: 2,643,095 km (0.051 R)
• M27: 2,827,998 km (0.119 R)
• M28: 2,886,790 km (0.087 R)
• M29: 2,981,486 km (0.096 R)
• M30: 3,149,783 km (0.106 R)
• M31: 3,290,405 km (0.069 R)
• M32: 3,439,405 km (0.108 R)
• M33: 3,616,080 km (0.058 R)
• M34: 3,886,852 km (0.078 R)
• M35: 3,939,062 km (0.114 R)
• M36: 4,284,932 km (0.105 R)
• M37: 4,393,241 km (0.104 R)
• M38: 4,605,819 km (0.075 R)
• M39: 4,668,202 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.4

Radius: 10.7

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.02 AU - 3.78 AU

Year: 3986 Days

Day: 9.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 22,270,652 km

• M1: 173,683 km (0.104 R)
• M2: 517,010 km (0.085 R)
• M3: 606,021 km (0.109 R)
• M4: 681,717 km (0.081 R)
• M5: 760,855 km (0.112 R)
• M6: 940,671 km (0.061 R)
• M7: 1,064,838 km (0.072 R)
• M8: 1,158,785 km (0.093 R)
• M9: 1,267,992 km (0.085 R)
• M10: 1,510,191 km (0.106 R)
• M11: 1,809,536 km (0.11 R)
• M12: 1,923,230 km (0.098 R)
• M13: 2,083,450 km (0.09 R)
• M14: 2,480,034 km (0.11 R)
• M15: 2,735,846 km (0.072 R)
• M16: 3,170,128 km (0.073 R)
• M17: 3,290,854 km (0.075 R)
• M18: 3,430,578 km (0.097 R)
• M19: 3,590,349 km (0.09 R)
• M20: 3,662,006 km (0.108 R)
• M21: 3,770,614 km (0.119 R)
• M22: 4,272,665 km (0.09 R)
• M23: 4,483,299 km (0.086 R)
• M24: 5,075,108 km (0.084 R)
• M25: 5,155,891 km (0.046 R)
• M26: 5,380,287 km (0.052 R)
• M27: 5,504,005 km (0.053 R)
• M28: 5,817,712 km (0.051 R)
• M29: 6,484,320 km (0.108 R)
• M30: 6,572,134 km (0.068 R)
• M31: 6,972,308 km (0.06 R)
• M32: 7,197,902 km (0.077 R)
• M33: 7,266,118 km (0.077 R)
• M34: 7,703,094 km (0.119 R)
• M35: 7,772,806 km (0.037 R)
• M36: 7,866,155 km (0.117 R)
• M37: 7,959,953 km (0.119 R)
• M38: 8,626,412 km (0.117 R)
• M39: 8,698,967 km (0.099 R)
• M40: 8,893,294 km (0.082 R)
• M41: 9,015,366 km (0.104 R)
• M42: 9,584,586 km (0.117 R)
• M43: 10,114,611 km (0.086 R)
• M44: 10,370,274 km (0.041 R)
• M45: 10,447,466 km (0.049 R)
• M46: 10,679,942 km (0.106 R)
• M47: 11,334,881 km (0.115 R)
• M48: 11,494,053 km (0.111 R)
• M49: 12,110,995 km (0.1 R)
• M50: 12,355,438 km (0.041 R)
• M51: 12,519,247 km (0.112 R)
• M52: 12,628,753 km (0.092 R)
• M53: 12,766,233 km (0.114 R)
• M54: 13,042,690 km (0.112 R)
• M55: 13,265,292 km (0.114 R)
• M56: 14,168,115 km (0.029 R)
• M57: 14,253,835 km (0.113 R)
• M58: 14,627,081 km (0.047 R)
• M59: 14,713,549 km (0.107 R)
• M60: 14,858,360 km (0.109 R)
• M61: 15,032,641 km (0.101 R)
• M62: 15,178,350 km (0.116 R)
• M63: 15,854,831 km (0.113 R)
• M64: 17,084,974 km (0.085 R)
• M65: 17,359,187 km (0.052 R)
• M66: 18,345,636 km (0.119 R)
• M67: 18,439,134 km (0.113 R)
• M68: 18,563,899 km (0.083 R)
• M69: 18,845,741 km (0.078 R)
• M70: 19,255,340 km (0.057 R)
• M71: 19,636,217 km (0.11 R)
• M72: 19,923,295 km (0.119 R)
• M73: 20,019,337 km (0.056 R)
• M74: 20,308,509 km (0.069 R)
• M75: 21,183,956 km (0.038 R)
• M76: 22,204,214 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 18,505 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit