🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.6

Radius: 11.9

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.47 AU - 0.55 AU

Year: 247 Days

Day: 14.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,898,262 km

• M1: 147,952 km (0.102 R)
• M2: 519,105 km (0.117 R)
• M3: 958,174 km (0.064 R)
• M4: 1,375,702 km (0.117 R)
• M5: 1,891,366 km (0.089 R)
• M6: 2,295,430 km (0.113 R)
• M7: 2,916,410 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.5

Radius: 14.2

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.81 AU - 0.81 AU

Year: 494 Days

Day: 12.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,898,262 km

• M1: 176,525 km (0.109 R)
• M2: 705,653 km (0.107 R)
• M3: 1,356,254 km (0.066 R)
• M4: 1,970,204 km (0.054 R)
• M5: 2,463,578 km (0.095 R)
• M6: 2,917,607 km (0.094 R)
• M7: 3,477,552 km (0.101 R)
• M8: 4,364,967 km (0.038 R)
• M9: 6,417,749 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.4

Radius: 10.4

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.99 AU - 1.55 AU

Year: 971 Days

Day: 6.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,898,262 km

• M1: 129,552 km (0.071 R)
• M2: 516,113 km (0.086 R)
• M3: 865,124 km (0.108 R)
• M4: 1,237,773 km (0.112 R)
• M5: 1,576,014 km (0.097 R)
• M6: 2,173,507 km (0.112 R)
• M7: 3,340,371 km (0.106 R)
• M8: 4,174,828 km (0.116 R)
• M9: 5,231,288 km (0.083 R)
• M10: 6,622,997 km (0.092 R)
• M11: 7,912,231 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.5

Radius: 9.8

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.94 AU - 2.76 AU

Year: 2443 Days

Day: 11.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,898,262 km

• M1: 121,922 km (0.038 R)
• M2: 876,494 km (0.083 R)
• M3: 1,548,039 km (0.099 R)
• M4: 2,302,012 km (0.119 R)
• M5: 2,778,332 km (0.057 R)
• M6: 3,283,524 km (0.05 R)
• M7: 3,615,481 km (0.111 R)
• M8: 4,545,083 km (0.055 R)
• M9: 4,864,624 km (0.113 R)
• M10: 5,626,376 km (0.114 R)
• M11: 7,232,010 km (0.12 R)
• M12: 8,257,054 km (0.112 R)
• M13: 8,596,342 km (0.077 R)
• M14: 11,657,264 km (0.068 R)
• M15: 12,171,881 km (0.091 R)
• M16: 12,791,216 km (0.066 R)
• M17: 13,338,595 km (0.077 R)
• M18: 14,431,557 km (0.067 R)
• M19: 18,239,122 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.7

Radius: 10.9

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.36 AU - 2.7 AU

Year: 2729 Days

Day: 13 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,898,262 km

• M1: 135,685 km (0.056 R)
• M2: 533,316 km (0.068 R)
• M3: 1,021,903 km (0.042 R)
• M4: 1,571,675 km (0.12 R)
• M5: 2,104,094 km (0.112 R)
• M6: 3,584,963 km (0.043 R)
• M7: 4,950,044 km (0.1 R)
• M8: 5,459,125 km (0.116 R)
• M9: 6,582,606 km (0.099 R)
• M10: 6,926,531 km (0.03 R)
• M11: 7,650,435 km (0.101 R)
• M12: 8,090,702 km (0.084 R)
• M13: 8,830,314 km (0.071 R)
• M14: 10,197,339 km (0.08 R)
• M15: 11,854,734 km (0.069 R)
• M16: 13,856,204 km (0.12 R)
• M17: 14,959,937 km (0.051 R)
• M18: 15,696,407 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703

Radius: 14.8

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.07 AU - 3.29 AU

Year: 2976 Days

Day: 14.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,898,262 km

• M1: 184,903 km (0.114 R)
• M2: 761,004 km (0.031 R)
• M3: 1,257,520 km (0.105 R)
• M4: 1,847,534 km (0.083 R)
• M5: 3,102,510 km (0.079 R)
• M6: 3,681,005 km (0.073 R)
• M7: 4,707,396 km (0.06 R)
• M8: 5,202,565 km (0.098 R)
• M9: 6,160,740 km (0.065 R)
• M10: 7,831,149 km (0.104 R)
• M11: 9,824,840 km (0.104 R)
• M12: 11,878,669 km (0.057 R)
• M13: 12,356,784 km (0.074 R)
• M14: 13,821,497 km (0.091 R)
• M15: 15,297,280 km (0.099 R)
• M16: 17,817,406 km (0.099 R)
• M17: 18,793,532 km (0.092 R)
• M18: 19,744,675 km (0.027 R)
• M19: 20,852,746 km (0.103 R)
• M20: 21,358,387 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.4

Radius: 3.8

Gravity: 36.87 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.62 AU - 8.36 AU

Year: 13903 Days

Day: 16.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 152.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,898,262 km

• M1: 47,273 km (0.113 R)
• M2: 263,591 km (0.093 R)
• M3: 394,490 km (0.114 R)
• M4: 519,853 km (0.115 R)
• M5: 655,538 km (0.088 R)
• M6: 946,057 km (0.11 R)
• M7: 1,213,089 km (0.082 R)
• M8: 1,634,357 km (0.088 R)
• M9: 1,982,770 km (0.115 R)
• M10: 2,280,171 km (0.045 R)
• M11: 5,146,167 km (0.117 R)
• M12: 6,821,663 km (0.083 R)
• M13: 7,939,159 km (0.086 R)
• M14: 9,783,551 km (0.118 R)
• M15: 9,940,330 km (0.118 R)
• M16: 13,246,742 km (0.105 R)
• M17: 13,374,498 km (0.086 R)
• M18: 13,567,629 km (0.108 R)
• M19: 15,888,491 km (0.111 R)
• M20: 17,988,097 km (0.06 R)
• M21: 19,022,865 km (0.043 R)
• M22: 21,649,355 km (0.078 R)
• M23: 23,466,371 km (0.108 R)
• M24: 26,784,003 km (0.073 R)
• M25: 27,816,228 km (0.059 R)
• M26: 31,751,699 km (0.107 R)
• M27: 31,980,584 km (0.067 R)
• M28: 35,057,363 km (0.075 R)
• M29: 37,682,058 km (0.069 R)
• M30: 38,976,828 km (0.086 R)
• M31: 41,517,747 km (0.085 R)
• M32: 43,038,260 km (0.118 R)
• M33: 46,336,444 km (0.027 R)
• M34: 54,733,822 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 12,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit