🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.4

Radius: 14.6

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.93 AU - 1.43 AU

Year: 855 Days

Day: 14.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,428,298 km

• M1: 181,612 km (0.092 R)
• M2: 667,954 km (0.113 R)
• M3: 1,168,958 km (0.104 R)
• M4: 1,757,177 km (0.077 R)
• M5: 2,272,242 km (0.115 R)
• M6: 3,034,294 km (0.032 R)
• M7: 3,680,856 km (0.074 R)
• M8: 4,568,420 km (0.116 R)
• M9: 5,203,313 km (0.038 R)
• M10: 5,664,673 km (0.037 R)
• M11: 6,190,958 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33

Radius: 10.8

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.75 AU - 2.81 AU

Year: 2296 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,428,298 km

• M1: 173,534 km (0.108 R)
• M2: 702,512 km (0.111 R)
• M3: 1,171,202 km (0.104 R)
• M4: 1,538,614 km (0.107 R)
• M5: 2,369,032 km (0.119 R)
• M6: 3,678,761 km (0.072 R)
• M7: 4,026,277 km (0.036 R)
• M8: 4,850,412 km (0.043 R)
• M9: 5,907,919 km (0.064 R)
• M10: 6,292,685 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.8

Radius: 8.6

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.82 AU - 3.92 AU

Year: 4125 Days

Day: 5.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,428,298 km

• M1: 110,702 km (0.086 R)
• M2: 694,284 km (0.12 R)
• M3: 1,051,823 km (0.038 R)
• M4: 1,457,532 km (0.057 R)
• M5: 1,732,643 km (0.091 R)
• M6: 2,136,407 km (0.089 R)
• M7: 2,405,085 km (0.096 R)
• M8: 3,736,356 km (0.062 R)
• M9: 4,302,884 km (0.033 R)
• M10: 4,595,497 km (0.068 R)
• M11: 4,877,489 km (0.032 R)
• M12: 5,902,085 km (0.073 R)
• M13: 6,235,838 km (0.087 R)
• M14: 6,700,339 km (0.093 R)
• M15: 7,125,496 km (0.1 R)
• M16: 7,731,368 km (0.114 R)
• M17: 11,715,757 km (0.102 R)
• M18: 13,019,503 km (0.104 R)
• M19: 13,682,371 km (0.069 R)
• M20: 14,417,345 km (0.08 R)
• M21: 14,718,635 km (0.043 R)
• M22: 15,126,888 km (0.072 R)
• M23: 16,835,744 km (0.11 R)
• M24: 17,679,476 km (0.105 R)
• M25: 19,087,791 km (0.114 R)
• M26: 19,757,690 km (0.097 R)
• M27: 20,254,654 km (0.092 R)
• M28: 21,079,836 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.9

Radius: 13.6

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.56 AU - 5.56 AU

Year: 7590 Days

Day: 10.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,428,298 km

• M1: 170,841 km (0.091 R)
• M2: 653,593 km (0.07 R)
• M3: 1,080,845 km (0.111 R)
• M4: 1,567,786 km (0.116 R)
• M5: 2,156,753 km (0.088 R)
• M6: 3,542,178 km (0.079 R)
• M7: 3,973,768 km (0.094 R)
• M8: 6,291,488 km (0.103 R)
• M9: 7,139,110 km (0.082 R)
• M10: 7,609,296 km (0.082 R)
• M11: 8,373,142 km (0.082 R)
• M12: 9,356,599 km (0.112 R)
• M13: 10,143,783 km (0.088 R)
• M14: 10,927,227 km (0.086 R)
• M15: 12,877,385 km (0.092 R)
• M16: 13,412,795 km (0.109 R)
• M17: 14,413,904 km (0.119 R)
• M18: 17,007,184 km (0.103 R)
• M19: 17,783,297 km (0.049 R)
• M20: 18,313,622 km (0.113 R)
• M21: 23,415,508 km (0.088 R)
• M22: 29,856,444 km (0.111 R)
• M23: 31,368,878 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.1

Radius: 7.8

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.1 AU - 6.36 AU

Year: 10370 Days

Day: 15.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 42,428,298 km

• M1: 160,219 km (0.056 R)
• M2: 495,618 km (0.049 R)
• M3: 1,016,218 km (0.118 R)
• M4: 1,346,082 km (0.076 R)
• M5: 1,677,142 km (0.063 R)
• M6: 1,968,259 km (0.096 R)
• M7: 2,275,832 km (0.081 R)
• M8: 2,653,268 km (0.093 R)
• M9: 3,051,049 km (0.095 R)
• M10: 3,487,874 km (0.062 R)
• M11: 3,745,631 km (0.1 R)
• M12: 4,221,054 km (0.087 R)
• M13: 5,082,288 km (0.044 R)
• M14: 5,891,015 km (0.032 R)
• M15: 6,963,930 km (0.106 R)
• M16: 8,161,910 km (0.097 R)
• M17: 8,450,485 km (0.066 R)
• M18: 8,788,426 km (0.102 R)
• M19: 10,860,955 km (0.086 R)
• M20: 11,413,270 km (0.091 R)
• M21: 12,303,527 km (0.109 R)
• M22: 13,239,262 km (0.064 R)
• M23: 17,733,182 km (0.119 R)
• M24: 18,782,611 km (0.083 R)
• M25: 19,651,625 km (0.106 R)
• M26: 20,547,118 km (0.116 R)
• M27: 21,783,096 km (0.11 R)
• M28: 23,728,765 km (0.101 R)
• M29: 25,699,568 km (0.051 R)
• M30: 25,964,356 km (0.112 R)
• M31: 27,962,684 km (0.058 R)
• M32: 29,286,326 km (0.053 R)
• M33: 33,929,695 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.2

Radius: 3.7

Gravity: 23.75 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.4 AU - 8.4 AU

Year: 12087 Days

Day: 22.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 42,428,298 km

• M1: 46,226 km (0.12 R)
• M2: 243,396 km (0.046 R)
• M3: 515,963 km (0.097 R)
• M4: 654,191 km (0.03 R)
• M5: 799,601 km (0.07 R)
• M6: 1,190,350 km (0.09 R)
• M7: 1,345,633 km (0.119 R)
• M8: 2,335,073 km (0.098 R)
• M9: 2,738,239 km (0.084 R)
• M10: 2,861,508 km (0.11 R)
• M11: 4,117,831 km (0.092 R)
• M12: 4,252,619 km (0.12 R)
• M13: 4,502,746 km (0.058 R)
• M14: 5,217,675 km (0.097 R)
• M15: 5,536,767 km (0.084 R)
• M16: 6,645,885 km (0.112 R)
• M17: 7,609,296 km (0.113 R)
• M18: 8,187,641 km (0.056 R)
• M19: 11,156,261 km (0.109 R)
• M20: 11,418,656 km (0.029 R)
• M21: 11,631,683 km (0.077 R)
• M22: 11,847,104 km (0.112 R)
• M23: 12,175,472 km (0.052 R)
• M24: 12,453,574 km (0.104 R)
• M25: 13,138,583 km (0.086 R)
• M26: 13,490,287 km (0.108 R)
• M27: 21,421,817 km (0.097 R)
• M28: 25,256,010 km (0.078 R)
• M29: 26,536,119 km (0.09 R)
• M30: 32,833,890 km (0.113 R)
• M31: 33,372,443 km (0.093 R)
• M32: 33,698,566 km (0.086 R)
• M33: 37,660,516 km (0.114 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 12,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit