🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.7

Radius: 10.4

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.77 AU - 1.17 AU

Year: 637 Days

Day: 7.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,691,149 km

• M1: 129,552 km (0.111 R)
• M2: 603,029 km (0.104 R)
• M3: 1,160,131 km (0.047 R)
• M4: 1,530,386 km (0.099 R)
• M5: 1,858,155 km (0.045 R)
• M6: 2,322,507 km (0.12 R)
• M7: 2,677,353 km (0.071 R)
• M8: 3,048,505 km (0.117 R)
• M9: 3,389,289 km (0.113 R)
• M10: 4,002,641 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.1

Radius: 11.6

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.13 AU - 2.93 AU

Year: 2684 Days

Day: 5.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,691,149 km

• M1: 144,212 km (0.088 R)
• M2: 562,039 km (0.076 R)
• M3: 1,299,407 km (0.104 R)
• M4: 2,580,414 km (0.099 R)
• M5: 3,034,144 km (0.11 R)
• M6: 3,652,731 km (0.09 R)
• M7: 4,083,573 km (0.091 R)
• M8: 4,548,224 km (0.093 R)
• M9: 6,858,015 km (0.108 R)
• M10: 7,333,288 km (0.03 R)
• M11: 8,349,656 km (0.069 R)
• M12: 8,926,655 km (0.103 R)
• M13: 13,009,330 km (0.047 R)
• M14: 14,544,204 km (0.102 R)
• M15: 15,784,969 km (0.113 R)
• M16: 17,804,091 km (0.078 R)
• M17: 18,476,085 km (0.115 R)
• M18: 19,692,765 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.4

Radius: 10.7

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.39 AU - 2.83 AU

Year: 2812 Days

Day: 6.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,691,149 km

• M1: 135,386 km (0.069 R)
• M2: 544,536 km (0.084 R)
• M3: 975,229 km (0.116 R)
• M4: 1,475,484 km (0.064 R)
• M5: 1,839,755 km (0.117 R)
• M6: 2,196,246 km (0.119 R)
• M7: 2,723,280 km (0.1 R)
• M8: 4,115,288 km (0.101 R)
• M9: 4,896,189 km (0.082 R)
• M10: 5,235,177 km (0.08 R)
• M11: 5,720,323 km (0.118 R)
• M12: 6,347,737 km (0.109 R)
• M13: 7,452,667 km (0.099 R)
• M14: 9,252,479 km (0.092 R)
• M15: 13,978,575 km (0.111 R)
• M16: 14,367,679 km (0.11 R)
• M17: 16,315,443 km (0.104 R)
• M18: 18,259,916 km (0.083 R)
• M19: 20,045,516 km (0.114 R)
• M20: 21,491,230 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.6

Radius: 8

Gravity: 15.17 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.62 AU - 2.64 AU

Year: 2844 Days

Day: 5.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,691,149 km

• M1: 99,931 km (0.118 R)
• M2: 388,954 km (0.077 R)
• M3: 647,609 km (0.053 R)
• M4: 3,032,498 km (0.115 R)
• M5: 3,811,455 km (0.072 R)
• M6: 5,157,536 km (0.12 R)
• M7: 5,492,486 km (0.098 R)
• M8: 6,437,196 km (0.069 R)
• M9: 6,856,220 km (0.04 R)
• M10: 8,223,395 km (0.117 R)
• M11: 9,193,088 km (0.106 R)
• M12: 11,400,704 km (0.074 R)
• M13: 15,366,544 km (0.104 R)
• M14: 17,057,448 km (0.119 R)
• M15: 19,356,169 km (0.073 R)
• M16: 20,933,828 km (0.088 R)
• M17: 21,588,319 km (0.118 R)
• M18: 22,188,955 km (0.104 R)
• M19: 22,595,412 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.5

Radius: 10.8

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.4 AU - 3.36 AU

Year: 3259 Days

Day: 8.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,691,149 km

• M1: 134,488 km (0.092 R)
• M2: 507,885 km (0.032 R)
• M3: 941,419 km (0.047 R)
• M4: 1,305,241 km (0.11 R)
• M5: 1,851,423 km (0.116 R)
• M6: 2,200,136 km (0.103 R)
• M7: 3,032,947 km (0.11 R)
• M8: 3,404,997 km (0.114 R)
• M9: 4,880,631 km (0.107 R)
• M10: 5,262,554 km (0.102 R)
• M11: 6,590,684 km (0.075 R)
• M12: 8,025,477 km (0.095 R)
• M13: 8,965,700 km (0.061 R)
• M14: 11,952,571 km (0.084 R)
• M15: 13,971,843 km (0.093 R)
• M16: 14,484,365 km (0.105 R)
• M17: 16,320,978 km (0.099 R)
• M18: 16,889,600 km (0.112 R)
• M19: 24,191,621 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732

Radius: 13.7

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.43 AU - 5.07 AU

Year: 6904 Days

Day: 7.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,691,149 km

• M1: 180,415 km (0.04 R)
• M2: 652,396 km (0.052 R)
• M3: 1,327,831 km (0.118 R)
• M4: 1,776,475 km (0.095 R)
• M5: 2,396,259 km (0.077 R)
• M6: 3,307,160 km (0.078 R)
• M7: 11,890,338 km (0.108 R)
• M8: 14,099,899 km (0.078 R)
• M9: 15,864,405 km (0.063 R)
• M10: 16,505,731 km (0.038 R)
• M11: 17,365,321 km (0.039 R)
• M12: 20,724,092 km (0.057 R)
• M13: 24,072,541 km (0.068 R)
• M14: 25,875,196 km (0.1 R)
• M15: 29,363,369 km (0.071 R)
• M16: 34,735,878 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.5

Radius: 7.2

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.46 AU - 6.66 AU

Year: 11204 Days

Day: 21.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,691,149 km

• M1: 142,118 km (0.12 R)
• M2: 791,971 km (0.057 R)
• M3: 1,158,486 km (0.115 R)
• M4: 2,121,896 km (0.116 R)
• M5: 2,434,406 km (0.064 R)
• M6: 3,860,223 km (0.113 R)
• M7: 4,379,328 km (0.115 R)
• M8: 4,888,260 km (0.08 R)
• M9: 9,614,954 km (0.064 R)
• M10: 11,881,063 km (0.105 R)
• M11: 21,973,085 km (0.1 R)
• M12: 24,020,930 km (0.052 R)
• M13: 26,021,203 km (0.119 R)
• M14: 29,133,437 km (0.078 R)
• M15: 29,878,136 km (0.116 R)
• M16: 32,089,790 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.4

Radius: 3.9

Gravity: 31.58 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.19 AU - 8.43 AU

Year: 11851 Days

Day: 18.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 47,691,149 km

• M1: 48,470 km (0.114 R)
• M2: 176,525 km (0.106 R)
• M3: 331,060 km (0.101 R)
• M4: 584,030 km (0.05 R)
• M5: 775,216 km (0.034 R)
• M6: 905,366 km (0.103 R)
• M7: 1,072,168 km (0.094 R)
• M8: 1,296,714 km (0.111 R)
• M9: 1,855,762 km (0.089 R)
• M10: 2,384,291 km (0.09 R)
• M11: 2,520,874 km (0.078 R)
• M12: 2,852,981 km (0.057 R)
• M13: 4,079,235 km (0.079 R)
• M14: 4,900,826 km (0.059 R)
• M15: 6,556,127 km (0.079 R)
• M16: 7,141,354 km (0.11 R)
• M17: 8,326,019 km (0.097 R)
• M18: 9,933,149 km (0.084 R)
• M19: 12,952,034 km (0.079 R)
• M20: 13,559,701 km (0.093 R)
• M21: 14,059,208 km (0.063 R)
• M22: 14,831,432 km (0.115 R)
• M23: 15,228,016 km (0.096 R)
• M24: 15,428,926 km (0.089 R)
• M25: 19,043,061 km (0.111 R)
• M26: 19,748,415 km (0.1 R)
• M27: 20,879,973 km (0.101 R)
• M28: 22,744,411 km (0.119 R)
• M29: 23,095,069 km (0.107 R)
• M30: 24,533,153 km (0.106 R)
• M31: 33,184,248 km (0.076 R)
• M32: 34,089,914 km (0.097 R)
• M33: 39,493,539 km (0.115 R)
• M34: 43,128,468 km (0.051 R)
• M35: 45,302,424 km (0.114 R)
• M36: 47,121,684 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 16,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit