🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.5 AU - 0.8 AU

Year: 344 Days

Day: 17.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.4

Radius: 11.6

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.09 AU - 2.31 AU

Year: 2141 Days

Day: 13.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,460,320 km

• M1: 144,512 km (0.066 R)
• M2: 555,756 km (0.055 R)
• M3: 1,327,681 km (0.115 R)
• M4: 1,718,281 km (0.114 R)
• M5: 2,125,187 km (0.109 R)
• M6: 2,858,217 km (0.04 R)
• M7: 3,284,272 km (0.058 R)
• M8: 4,226,289 km (0.064 R)
• M9: 4,803,588 km (0.037 R)
• M10: 5,316,858 km (0.055 R)
• M11: 6,116,907 km (0.053 R)
• M12: 6,829,741 km (0.042 R)
• M13: 7,656,120 km (0.103 R)
• M14: 12,569,961 km (0.093 R)
• M15: 13,416,984 km (0.113 R)
• M16: 14,346,735 km (0.111 R)
• M17: 17,189,244 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.7

Radius: 9.1

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.2 AU - 2.48 AU

Year: 2348 Days

Day: 14.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,460,320 km

• M1: 113,246 km (0.084 R)
• M2: 581,786 km (0.109 R)
• M3: 944,112 km (0.084 R)
• M4: 1,306,438 km (0.083 R)
• M5: 1,609,224 km (0.108 R)
• M6: 2,133,864 km (0.097 R)
• M7: 2,647,284 km (0.063 R)
• M8: 3,451,821 km (0.064 R)
• M9: 3,920,960 km (0.112 R)
• M10: 4,305,576 km (0.055 R)
• M11: 5,562,797 km (0.107 R)
• M12: 5,996,930 km (0.112 R)
• M13: 6,398,600 km (0.112 R)
• M14: 7,137,314 km (0.077 R)
• M15: 8,783,938 km (0.095 R)
• M16: 9,302,744 km (0.12 R)
• M17: 10,212,598 km (0.118 R)
• M18: 10,903,590 km (0.108 R)
• M19: 15,223,678 km (0.072 R)
• M20: 15,619,962 km (0.096 R)
• M21: 17,008,680 km (0.053 R)
• M22: 18,533,830 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.4

Radius: 8.8

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.3 AU - 2.5 AU

Year: 2439 Days

Day: 13.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,460,320 km

• M1: 109,506 km (0.072 R)
• M2: 391,647 km (0.117 R)
• M3: 1,998,029 km (0.096 R)
• M4: 2,958,896 km (0.039 R)
• M5: 3,879,970 km (0.116 R)
• M6: 4,180,961 km (0.104 R)
• M7: 5,112,507 km (0.047 R)
• M8: 5,662,878 km (0.117 R)
• M9: 6,693,757 km (0.056 R)
• M10: 7,845,062 km (0.111 R)
• M11: 9,657,889 km (0.064 R)
• M12: 10,427,121 km (0.118 R)
• M13: 11,502,580 km (0.114 R)
• M14: 12,938,421 km (0.08 R)
• M15: 13,273,071 km (0.108 R)
• M16: 14,896,657 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.5

Radius: 9

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.07 AU - 5.23 AU

Year: 7667 Days

Day: 8.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 31,460,320 km

• M1: 112,946 km (0.111 R)
• M2: 613,501 km (0.11 R)
• M3: 950,096 km (0.05 R)
• M4: 1,436,588 km (0.111 R)
• M5: 1,827,488 km (0.113 R)
• M6: 2,218,237 km (0.071 R)
• M7: 3,015,594 km (0.091 R)
• M8: 3,374,479 km (0.05 R)
• M9: 3,966,288 km (0.075 R)
• M10: 4,454,426 km (0.028 R)
• M11: 5,135,695 km (0.079 R)
• M12: 5,420,679 km (0.034 R)
• M13: 6,375,412 km (0.12 R)
• M14: 8,310,012 km (0.042 R)
• M15: 9,018,657 km (0.091 R)
• M16: 9,341,190 km (0.079 R)
• M17: 10,107,281 km (0.081 R)
• M18: 10,606,938 km (0.052 R)
• M19: 10,914,511 km (0.093 R)
• M20: 12,317,290 km (0.112 R)
• M21: 14,080,750 km (0.119 R)
• M22: 14,390,268 km (0.054 R)
• M23: 16,548,217 km (0.114 R)
• M24: 16,893,040 km (0.105 R)
• M25: 20,215,759 km (0.044 R)
• M26: 21,009,226 km (0.096 R)
• M27: 24,214,659 km (0.092 R)
• M28: 25,841,087 km (0.102 R)
• M29: 32,214,106 km (0.085 R)
• M30: 33,186,941 km (0.091 R)
• M31: 34,851,367 km (0.107 R)
• M32: 37,748,180 km (0.07 R)
• M33: 39,561,157 km (0.1 R)
• M34: 43,884,236 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.9

Radius: 14.7

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.59 AU - 6.05 AU

Year: 8050 Days

Day: 13.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,460,320 km

• M1: 189,241 km (0.112 R)
• M2: 683,363 km (0.071 R)
• M3: 1,478,326 km (0.075 R)
• M4: 2,229,906 km (0.104 R)
• M5: 2,865,398 km (0.096 R)
• M6: 3,388,841 km (0.079 R)
• M7: 4,892,299 km (0.115 R)
• M8: 7,387,442 km (0.119 R)
• M9: 8,153,533 km (0.038 R)
• M10: 9,339,395 km (0.097 R)
• M11: 15,428,776 km (0.076 R)
• M12: 15,957,904 km (0.059 R)
• M13: 16,682,107 km (0.109 R)
• M14: 17,554,712 km (0.026 R)
• M15: 19,391,175 km (0.085 R)
• M16: 21,716,225 km (0.101 R)
• M17: 22,306,838 km (0.044 R)
• M18: 28,377,220 km (0.101 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: 347 - 19,275 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit