🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.1

Radius: 8.2

Gravity: 14.04 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.56 AU - 1.82 AU

Year: 1419 Days

Day: 7.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,184,153 km

• M1: 102,475 km (0.1 R)
• M2: 398,379 km (0.092 R)
• M3: 774,169 km (0.072 R)
• M4: 1,116,898 km (0.108 R)
• M5: 1,476,980 km (0.113 R)
• M6: 2,383,244 km (0.085 R)
• M7: 2,686,628 km (0.099 R)
• M8: 3,469,623 km (0.063 R)
• M9: 4,532,815 km (0.116 R)
• M10: 5,302,197 km (0.089 R)
• M11: 5,569,529 km (0.08 R)
• M12: 6,965,277 km (0.08 R)
• M13: 7,478,398 km (0.102 R)
• M14: 8,399,472 km (0.091 R)
• M15: 9,265,643 km (0.119 R)
• M16: 11,357,171 km (0.089 R)
• M17: 12,650,295 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.7

Radius: 14.3

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.47 AU - 2.19 AU

Year: 1598 Days

Day: 8.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,184,153 km

• M1: 177,872 km (0.084 R)
• M2: 783,743 km (0.09 R)
• M3: 1,338,751 km (0.109 R)
• M4: 1,827,338 km (0.051 R)
• M5: 2,333,577 km (0.059 R)
• M6: 3,055,237 km (0.053 R)
• M7: 3,667,990 km (0.092 R)
• M8: 4,853,254 km (0.084 R)
• M9: 5,670,806 km (0.068 R)
• M10: 6,258,128 km (0.052 R)
• M11: 7,178,155 km (0.076 R)
• M12: 10,294,278 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.8

Radius: 12.7

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2 AU - 2.54 AU

Year: 2208 Days

Day: 8.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,184,153 km

• M1: 159,471 km (0.108 R)
• M2: 594,652 km (0.101 R)
• M3: 1,110,315 km (0.117 R)
• M4: 1,754,783 km (0.082 R)
• M5: 2,383,244 km (0.093 R)
• M6: 3,091,739 km (0.09 R)
• M7: 3,523,329 km (0.045 R)
• M8: 3,995,310 km (0.067 R)
• M9: 4,424,357 km (0.092 R)
• M10: 4,998,364 km (0.096 R)
• M11: 6,487,162 km (0.104 R)
• M12: 7,807,962 km (0.102 R)
• M13: 8,885,366 km (0.077 R)
• M14: 10,549,343 km (0.099 R)
• M15: 12,541,089 km (0.112 R)
• M16: 13,242,703 km (0.111 R)
• M17: 13,694,339 km (0.119 R)
• M18: 14,676,449 km (0.068 R)
• M19: 16,833,500 km (0.078 R)
• M20: 18,852,024 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.8

Radius: 11.8

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.98 AU - 2.6 AU

Year: 2238 Days

Day: 12.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,184,153 km

• M1: 146,756 km (0.1 R)
• M2: 519,703 km (0.092 R)
• M3: 953,238 km (0.09 R)
• M4: 1,732,942 km (0.052 R)
• M5: 2,296,926 km (0.075 R)
• M6: 2,683,187 km (0.117 R)
• M7: 3,570,452 km (0.115 R)
• M8: 4,362,274 km (0.072 R)
• M9: 7,388,639 km (0.118 R)
• M10: 8,339,034 km (0.063 R)
• M11: 10,951,163 km (0.105 R)
• M12: 11,681,051 km (0.072 R)
• M13: 12,356,934 km (0.077 R)
• M14: 12,792,413 km (0.046 R)
• M15: 14,066,688 km (0.052 R)
• M16: 14,831,881 km (0.103 R)
• M17: 15,624,600 km (0.044 R)
• M18: 16,655,030 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.9

Radius: 12.8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.28 AU - 4.56 AU

Year: 6000 Days

Day: 6.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,184,153 km

• M1: 168,447 km (0.097 R)
• M2: 726,896 km (0.099 R)
• M3: 1,208,152 km (0.052 R)
• M4: 2,030,043 km (0.09 R)
• M5: 2,841,312 km (0.11 R)
• M6: 3,526,471 km (0.078 R)
• M7: 4,168,844 km (0.109 R)
• M8: 6,204,123 km (0.047 R)
• M9: 6,662,341 km (0.113 R)
• M10: 7,392,080 km (0.074 R)
• M11: 8,656,032 km (0.099 R)
• M12: 13,643,924 km (0.101 R)
• M13: 14,077,908 km (0.085 R)
• M14: 14,521,017 km (0.095 R)
• M15: 16,065,914 km (0.101 R)
• M16: 16,658,920 km (0.098 R)
• M17: 18,061,250 km (0.112 R)
• M18: 20,466,634 km (0.069 R)
• M19: 21,036,004 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.7

Radius: 11.7

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.28 AU - 6.58 AU

Year: 9324 Days

Day: 13.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,184,153 km

• M1: 145,559 km (0.064 R)
• M2: 844,480 km (0.078 R)
• M3: 1,324,240 km (0.093 R)
• M4: 1,936,544 km (0.111 R)
• M5: 2,896,963 km (0.101 R)
• M6: 3,436,712 km (0.098 R)
• M7: 4,689,744 km (0.082 R)
• M8: 7,288,109 km (0.1 R)
• M9: 8,780,647 km (0.094 R)
• M10: 12,649,697 km (0.098 R)
• M11: 13,847,377 km (0.088 R)
• M12: 14,537,622 km (0.082 R)
• M13: 15,649,284 km (0.104 R)
• M14: 20,266,323 km (0.116 R)
• M15: 20,992,620 km (0.113 R)
• M16: 21,652,646 km (0.066 R)
• M17: 24,161,851 km (0.071 R)
• M18: 26,190,249 km (0.111 R)
• M19: 27,246,111 km (0.118 R)
• M20: 28,130,832 km (0.095 R)
• M21: 30,374,052 km (0.047 R)
• M22: 32,954,466 km (0.103 R)
• M23: 33,621,673 km (0.101 R)
• M24: 34,184,609 km (0.079 R)
• M25: 35,561,359 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.5

Radius: 7.1

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.31 AU - 8.87 AU

Year: 16256 Days

Day: 18.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,184,153 km

• M1: 88,412 km (0.047 R)
• M2: 313,856 km (0.09 R)
• M3: 658,231 km (0.078 R)
• M4: 972,536 km (0.087 R)
• M5: 1,231,938 km (0.084 R)
• M6: 2,046,798 km (0.112 R)
• M7: 2,302,760 km (0.09 R)
• M8: 2,539,125 km (0.097 R)
• M9: 2,879,759 km (0.07 R)
• M10: 3,298,932 km (0.05 R)
• M11: 3,652,582 km (0.116 R)
• M12: 3,920,511 km (0.079 R)
• M13: 4,172,733 km (0.116 R)
• M14: 4,710,089 km (0.03 R)
• M15: 5,671,554 km (0.097 R)
• M16: 6,639,453 km (0.085 R)
• M17: 8,475,168 km (0.085 R)
• M18: 10,147,972 km (0.104 R)
• M19: 10,517,927 km (0.087 R)
• M20: 14,002,510 km (0.032 R)
• M21: 14,929,867 km (0.098 R)
• M22: 17,728,395 km (0.058 R)
• M23: 21,542,991 km (0.057 R)
• M24: 22,508,795 km (0.109 R)
• M25: 25,001,095 km (0.112 R)
• M26: 25,482,053 km (0.094 R)
• M27: 25,969,143 km (0.119 R)
• M28: 28,707,383 km (0.098 R)
• M29: 30,635,998 km (0.098 R)
• M30: 33,339,830 km (0.12 R)
• M31: 33,805,528 km (0.11 R)
• M32: 35,469,206 km (0.103 R)
• M33: 36,938,257 km (0.098 R)
• M34: 43,773,833 km (0.115 R)
• M35: 44,052,384 km (0.119 R)
• M36: 50,178,716 km (0.098 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 12,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit