🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.2

Radius: 11.4

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.7 AU - 1.16 AU

Year: 619 Days

Day: 10.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,525,619 km

• M1: 141,819 km (0.051 R)
• M2: 537,056 km (0.096 R)
• M3: 936,183 km (0.049 R)
• M4: 1,352,963 km (0.108 R)
• M5: 2,556,777 km (0.053 R)
• M6: 3,060,024 km (0.087 R)
• M7: 3,903,457 km (0.083 R)
• M8: 4,652,793 km (0.061 R)
• M9: 5,011,828 km (0.091 R)
• M10: 6,124,836 km (0.097 R)
• M11: 7,352,137 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.7

Radius: 14.6

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.23 AU - 1.33 AU

Year: 1000 Days

Day: 12.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 77,525,619 km

• M1: 182,061 km (0.08 R)
• M2: 737,368 km (0.062 R)
• M3: 1,483,263 km (0.077 R)
• M4: 2,187,869 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177

Radius: 9.7

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.18 AU - 2.22 AU

Year: 2252 Days

Day: 13 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,525,619 km

• M1: 121,473 km (0.071 R)
• M2: 1,009,636 km (0.052 R)
• M3: 2,608,987 km (0.093 R)
• M4: 3,134,973 km (0.107 R)
• M5: 3,809,809 km (0.094 R)
• M6: 5,048,479 km (0.114 R)
• M7: 5,386,122 km (0.107 R)
• M8: 5,975,238 km (0.117 R)
• M9: 6,606,840 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.3

Radius: 6

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.62 AU - 5.72 AU

Year: 9319 Days

Day: 22.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,525,619 km

• M1: 87,365 km (0.07 R)
• M2: 277,504 km (0.111 R)
• M3: 569,968 km (0.087 R)
• M4: 874,100 km (0.102 R)
• M5: 1,537,268 km (0.069 R)
• M6: 2,299,170 km (0.112 R)
• M7: 3,223,086 km (0.099 R)
• M8: 3,533,950 km (0.043 R)
• M9: 5,011,080 km (0.052 R)
• M10: 5,398,239 km (0.118 R)
• M11: 11,418,057 km (0.097 R)
• M12: 12,140,765 km (0.077 R)
• M13: 16,734,915 km (0.105 R)
• M14: 19,271,048 km (0.116 R)
• M15: 23,252,446 km (0.085 R)
• M16: 28,675,817 km (0.109 R)
• M17: 29,527,179 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.3

Radius: 3.6

Gravity: 36.44 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.53 AU - 8.09 AU

Year: 15066 Days

Day: 19.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,525,619 km

• M1: 45,328 km (0.109 R)
• M2: 190,887 km (0.108 R)
• M3: 313,108 km (0.103 R)
• M4: 426,204 km (0.084 R)
• M5: 644,916 km (0.108 R)
• M6: 1,091,316 km (0.102 R)
• M7: 1,239,418 km (0.075 R)
• M8: 2,191,908 km (0.104 R)
• M9: 2,953,660 km (0.086 R)
• M10: 4,343,574 km (0.119 R)
• M11: 4,653,391 km (0.078 R)
• M12: 4,781,447 km (0.113 R)
• M13: 6,830,040 km (0.109 R)
• M14: 10,073,921 km (0.103 R)
• M15: 13,042,242 km (0.112 R)
• M16: 15,035,184 km (0.1 R)
• M17: 17,683,665 km (0.071 R)
• M18: 19,529,104 km (0.108 R)
• M19: 23,691,516 km (0.1 R)
• M20: 25,728,440 km (0.067 R)
• M21: 27,252,842 km (0.081 R)
• M22: 30,816,264 km (0.109 R)
• M23: 43,485,558 km (0.108 R)
• M24: 46,822,039 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.2

Radius: 4.6

Gravity: 33.94 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.56 AU - 9.84 AU

Year: 16208 Days

Day: 22.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,525,619 km

• M1: 57,296 km (0.078 R)
• M2: 321,935 km (0.098 R)
• M3: 570,417 km (0.046 R)
• M4: 873,951 km (0.068 R)
• M5: 1,056,610 km (0.074 R)
• M6: 1,210,097 km (0.11 R)
• M7: 2,581,162 km (0.075 R)
• M8: 3,485,331 km (0.097 R)
• M9: 3,888,198 km (0.076 R)
• M10: 4,101,076 km (0.112 R)
• M11: 5,698,183 km (0.12 R)
• M12: 5,893,707 km (0.094 R)
• M13: 6,763,619 km (0.117 R)
• M14: 7,668,686 km (0.104 R)
• M15: 8,398,574 km (0.117 R)
• M16: 9,938,983 km (0.106 R)
• M17: 10,108,478 km (0.073 R)
• M18: 10,687,122 km (0.035 R)
• M19: 12,489,777 km (0.084 R)
• M20: 12,886,510 km (0.06 R)
• M21: 16,290,311 km (0.104 R)
• M22: 19,888,887 km (0.053 R)
• M23: 21,166,004 km (0.088 R)
• M24: 25,219,059 km (0.069 R)
• M25: 28,834,541 km (0.073 R)
• M26: 37,479,951 km (0.111 R)
• M27: 40,994,903 km (0.067 R)
• M28: 43,056,212 km (0.087 R)
• M29: 44,112,223 km (0.071 R)
• M30: 51,992,740 km (0.049 R)
• M31: 54,755,962 km (0.068 R)
• M32: 55,461,765 km (0.102 R)
• M33: 55,639,038 km (0.088 R)
• M34: 61,138,406 km (0.112 R)
• M35: 63,435,930 km (0.087 R)
• M36: 64,019,212 km (0.085 R)
• M37: 65,790,301 km (0.102 R)
• M38: 66,587,957 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.8

Radius: 3.7

Gravity: 70.84 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.06 AU - 10.06 AU

Year: 17287 Days

Day: 19.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 77,525,619 km

• M1: 61,934 km (0.093 R)
• M2: 611,706 km (0.079 R)
• M3: 753,375 km (0.112 R)
• M4: 1,064,389 km (0.062 R)
• M5: 1,916,199 km (0.118 R)
• M6: 2,444,728 km (0.059 R)
• M7: 2,608,688 km (0.037 R)
• M8: 3,011,405 km (0.065 R)
• M9: 3,145,295 km (0.034 R)
• M10: 3,541,730 km (0.082 R)
• M11: 4,536,705 km (0.082 R)
• M12: 5,385,972 km (0.08 R)
• M13: 6,646,035 km (0.097 R)
• M14: 7,153,471 km (0.072 R)
• M15: 8,776,309 km (0.042 R)
• M16: 9,730,893 km (0.101 R)
• M17: 10,445,223 km (0.118 R)
• M18: 11,193,661 km (0.108 R)
• M19: 11,515,745 km (0.08 R)
• M20: 11,910,534 km (0.089 R)
• M21: 12,726,889 km (0.061 R)
• M22: 13,363,129 km (0.062 R)
• M23: 15,007,359 km (0.063 R)
• M24: 16,202,646 km (0.064 R)
• M25: 16,366,755 km (0.107 R)
• M26: 21,128,006 km (0.057 R)
• M27: 24,408,089 km (0.067 R)
• M28: 26,507,845 km (0.057 R)
• M29: 28,605,207 km (0.086 R)
• M30: 30,186,906 km (0.092 R)
• M31: 32,083,358 km (0.088 R)
• M32: 36,111,580 km (0.119 R)
• M33: 36,251,304 km (0.11 R)
• M34: 36,531,950 km (0.05 R)
• M35: 38,537,309 km (0.116 R)
• M36: 38,976,379 km (0.113 R)
• M37: 42,143,665 km (0.089 R)
• M38: 48,472,852 km (0.057 R)
• M39: 49,672,028 km (0.054 R)
• M40: 56,717,190 km (0.091 R)
• M41: 72,969,204 km (0.189 R)
• M42: 76,369,264 km (0.063 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 11,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit