🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.8

Radius: 13.9

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.86 AU - 1.24 AU

Year: 695 Days

Day: 8.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,374,183 km

• M1: 173,234 km (0.071 R)
• M2: 645,814 km (0.086 R)
• M3: 1,082,640 km (0.058 R)
• M4: 1,868,328 km (0.116 R)
• M5: 2,467,467 km (0.08 R)
• M6: 3,011,256 km (0.108 R)
• M7: 3,594,238 km (0.099 R)
• M8: 4,343,574 km (0.073 R)
• M9: 4,838,444 km (0.114 R)
• M10: 6,174,652 km (0.119 R)
• M11: 7,165,140 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.8

Radius: 12

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.18 AU - 1.5 AU

Year: 1002 Days

Day: 5.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,374,183 km

• M1: 152,889 km (0.063 R)
• M2: 718,818 km (0.092 R)
• M3: 1,217,128 km (0.1 R)
• M4: 1,600,847 km (0.116 R)
• M5: 2,144,785 km (0.111 R)
• M6: 2,669,125 km (0.087 R)
• M7: 3,947,439 km (0.112 R)
• M8: 4,388,304 km (0.04 R)
• M9: 5,313,716 km (0.056 R)
• M10: 6,301,810 km (0.082 R)
• M11: 7,813,198 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.6

Radius: 13.5

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.14 AU - 1.54 AU

Year: 1002 Days

Day: 14.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,374,183 km

• M1: 173,085 km (0.044 R)
• M2: 614,847 km (0.101 R)
• M3: 2,290,942 km (0.098 R)
• M4: 2,739,137 km (0.052 R)
• M5: 4,290,617 km (0.069 R)
• M6: 4,873,899 km (0.069 R)
• M7: 6,707,370 km (0.049 R)
• M8: 7,173,218 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.4

Radius: 13.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.9 AU - 1.96 AU

Year: 1731 Days

Day: 7.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,374,183 km

• M1: 165,904 km (0.088 R)
• M2: 689,497 km (0.093 R)
• M3: 1,119,441 km (0.119 R)
• M4: 1,777,223 km (0.056 R)
• M5: 2,520,275 km (0.116 R)
• M6: 3,063,166 km (0.112 R)
• M7: 3,896,576 km (0.05 R)
• M8: 4,505,888 km (0.086 R)
• M9: 6,086,988 km (0.114 R)
• M10: 8,683,259 km (0.114 R)
• M11: 9,194,884 km (0.085 R)
• M12: 10,208,708 km (0.063 R)
• M13: 10,998,585 km (0.059 R)
• M14: 11,484,180 km (0.11 R)
• M15: 15,021,122 km (0.115 R)
• M16: 15,853,934 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.6

Radius: 8.7

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.01 AU - 3.31 AU

Year: 2801 Days

Day: 13.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 169.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,374,183 km

• M1: 108,159 km (0.03 R)
• M2: 497,563 km (0.101 R)
• M3: 867,069 km (0.116 R)
• M4: 1,168,659 km (0.083 R)
• M5: 2,405,833 km (0.099 R)
• M6: 3,062,268 km (0.098 R)
• M7: 3,945,045 km (0.051 R)
• M8: 4,374,541 km (0.089 R)
• M9: 4,706,349 km (0.053 R)
• M10: 5,281,403 km (0.114 R)
• M11: 5,977,183 km (0.07 R)
• M12: 7,433,967 km (0.066 R)
• M13: 8,591,855 km (0.072 R)
• M14: 9,519,062 km (0.036 R)
• M15: 10,584,797 km (0.087 R)
• M16: 11,728,174 km (0.039 R)
• M17: 12,207,785 km (0.072 R)
• M18: 12,783,886 km (0.066 R)
• M19: 13,638,090 km (0.108 R)
• M20: 14,990,155 km (0.089 R)
• M21: 16,085,661 km (0.091 R)
• M22: 16,429,437 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.6

Radius: 10

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.13 AU - 4.67 AU

Year: 4973 Days

Day: 10 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,374,183 km

• M1: 127,158 km (0.087 R)
• M2: 785,090 km (0.1 R)
• M3: 1,133,353 km (0.071 R)
• M4: 2,377,110 km (0.101 R)
• M5: 3,001,831 km (0.032 R)
• M6: 3,353,535 km (0.1 R)
• M7: 4,320,835 km (0.05 R)
• M8: 4,770,975 km (0.099 R)
• M9: 5,122,381 km (0.076 R)
• M10: 5,599,747 km (0.118 R)
• M11: 6,767,508 km (0.107 R)
• M12: 7,778,640 km (0.108 R)
• M13: 8,410,243 km (0.078 R)
• M14: 8,812,960 km (0.096 R)
• M15: 10,638,054 km (0.114 R)
• M16: 11,152,970 km (0.104 R)
• M17: 12,140,017 km (0.052 R)
• M18: 12,797,799 km (0.093 R)
• M19: 13,628,366 km (0.114 R)
• M20: 15,669,180 km (0.055 R)
• M21: 17,965,807 km (0.112 R)
• M22: 18,758,077 km (0.091 R)
• M23: 21,955,432 km (0.117 R)
• M24: 22,300,854 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950

Radius: 12.2

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.07 AU - 5.03 AU

Year: 6267 Days

Day: 10.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,374,183 km

• M1: 152,141 km (0.091 R)
• M2: 544,686 km (0.111 R)
• M3: 1,092,962 km (0.057 R)
• M4: 1,809,237 km (0.118 R)
• M5: 2,325,200 km (0.081 R)
• M6: 2,761,277 km (0.117 R)
• M7: 3,295,342 km (0.065 R)
• M8: 5,203,313 km (0.089 R)
• M9: 6,781,720 km (0.066 R)
• M10: 9,177,530 km (0.057 R)
• M11: 9,717,130 km (0.118 R)
• M12: 10,663,486 km (0.114 R)
• M13: 11,618,519 km (0.101 R)
• M14: 12,412,135 km (0.116 R)
• M15: 12,850,008 km (0.067 R)
• M16: 13,641,082 km (0.068 R)
• M17: 15,571,194 km (0.056 R)
• M18: 17,200,913 km (0.052 R)
• M19: 26,996,581 km (0.109 R)
• M20: 27,732,902 km (0.098 R)
• M21: 29,053,552 km (0.068 R)
• M22: 30,022,198 km (0.12 R)
• M23: 33,688,543 km (0.111 R)
• M24: 35,959,588 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.5

Radius: 4.4

Gravity: 39.59 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.14 AU - 8.92 AU

Year: 13342 Days

Day: 24 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 66,374,183 km

• M1: 55,800 km (0.052 R)
• M2: 230,979 km (0.066 R)
• M3: 467,942 km (0.08 R)
• M4: 898,186 km (0.071 R)
• M5: 1,175,989 km (0.116 R)
• M6: 1,798,166 km (0.1 R)
• M7: 2,464,924 km (0.055 R)
• M8: 2,616,018 km (0.114 R)
• M9: 2,819,321 km (0.111 R)
• M10: 4,487,039 km (0.08 R)
• M11: 5,328,676 km (0.037 R)
• M12: 6,230,901 km (0.091 R)
• M13: 7,100,214 km (0.083 R)
• M14: 7,274,496 km (0.104 R)
• M15: 7,860,919 km (0.102 R)
• M16: 8,526,929 km (0.034 R)
• M17: 9,754,978 km (0.073 R)
• M18: 10,467,064 km (0.075 R)
• M19: 13,134,693 km (0.056 R)
• M20: 14,345,538 km (0.116 R)
• M21: 15,924,095 km (0.047 R)
• M22: 16,222,991 km (0.072 R)
• M23: 17,220,510 km (0.042 R)
• M24: 17,934,541 km (0.11 R)
• M25: 18,916,950 km (0.115 R)
• M26: 23,398,304 km (0.085 R)
• M27: 25,069,761 km (0.064 R)
• M28: 25,474,273 km (0.085 R)
• M29: 26,504,704 km (0.087 R)
• M30: 27,885,342 km (0.101 R)
• M31: 28,428,981 km (0.116 R)
• M32: 32,433,267 km (0.078 R)
• M33: 33,276,700 km (0.081 R)
• M34: 34,011,375 km (0.104 R)
• M35: 35,767,355 km (0.028 R)
• M36: 47,280,407 km (0.071 R)
• M37: 50,420,766 km (0.102 R)
• M38: 51,226,948 km (0.081 R)
• M39: 52,041,808 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.3

Radius: 3.6

Gravity: 53.11 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.81 AU - 10.37 AU

Year: 16256 Days

Day: 20.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,374,183 km

• M1: 45,328 km (0.087 R)
• M2: 291,716 km (0.111 R)
• M3: 800,349 km (0.083 R)
• M4: 1,394,402 km (0.074 R)
• M5: 1,963,921 km (0.062 R)
• M6: 2,078,662 km (0.095 R)
• M7: 3,191,371 km (0.056 R)
• M8: 3,979,303 km (0.113 R)
• M9: 5,065,085 km (0.06 R)
• M10: 5,733,638 km (0.08 R)
• M11: 5,889,818 km (0.119 R)
• M12: 7,426,188 km (0.116 R)
• M13: 7,848,353 km (0.049 R)
• M14: 8,089,654 km (0.082 R)
• M15: 8,638,080 km (0.068 R)
• M16: 8,843,478 km (0.082 R)
• M17: 10,316,120 km (0.116 R)
• M18: 10,489,204 km (0.065 R)
• M19: 11,020,277 km (0.084 R)
• M20: 13,392,301 km (0.103 R)
• M21: 16,868,357 km (0.104 R)
• M22: 17,760,708 km (0.119 R)
• M23: 21,929,402 km (0.039 R)
• M24: 23,385,887 km (0.083 R)
• M25: 23,684,634 km (0.081 R)
• M26: 25,112,845 km (0.075 R)
• M27: 29,973,729 km (0.106 R)
• M28: 30,208,448 km (0.049 R)
• M29: 32,130,780 km (0.081 R)
• M30: 36,084,054 km (0.1 R)
• M31: 36,885,001 km (0.088 R)
• M32: 37,154,426 km (0.05 R)
• M33: 42,529,029 km (0.114 R)
• M34: 46,962,811 km (0.117 R)
• M35: 50,524,736 km (0.096 R)
• M36: 55,489,291 km (0.056 R)
• M37: 63,241,004 km (0.118 R)
• M38: 65,779,081 km (0.11 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 13,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit