🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.9

Radius: 9.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.53 AU - 0.61 AU

Year: 287 Days

Day: 11.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,712,583 km

• M1: 120,875 km (0.052 R)
• M2: 468,241 km (0.09 R)
• M3: 823,087 km (0.072 R)
• M4: 1,351,168 km (0.117 R)
• M5: 1,721,722 km (0.095 R)
• M6: 2,050,837 km (0.101 R)
• M7: 2,438,445 km (0.094 R)
• M8: 3,135,871 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.1

Radius: 8.5

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.09 AU - 1.33 AU

Year: 888 Days

Day: 5 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,712,583 km

• M1: 109,206 km (0.046 R)
• M2: 396,883 km (0.026 R)
• M3: 923,168 km (0.063 R)
• M4: 1,267,992 km (0.059 R)
• M5: 1,618,948 km (0.111 R)
• M6: 2,498,135 km (0.114 R)
• M7: 2,795,535 km (0.112 R)
• M8: 3,488,772 km (0.096 R)
• M9: 4,803,288 km (0.092 R)
• M10: 5,336,904 km (0.035 R)
• M11: 5,776,722 km (0.111 R)
• M12: 6,897,210 km (0.12 R)
• M13: 7,264,473 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.7

Radius: 14.4

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.48 AU - 1.74 AU

Year: 1362 Days

Day: 7.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,712,583 km

• M1: 182,509 km (0.057 R)
• M2: 696,079 km (0.088 R)
• M3: 2,296,776 km (0.104 R)
• M4: 3,265,722 km (0.079 R)
• M5: 4,092,250 km (0.065 R)
• M6: 4,957,524 km (0.079 R)
• M7: 6,275,331 km (0.094 R)
• M8: 7,841,621 km (0.082 R)
• M9: 8,773,317 km (0.07 R)
• M10: 9,325,482 km (0.057 R)
• M11: 10,824,453 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.2

Radius: 11.9

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.85 AU - 2.33 AU

Year: 2015 Days

Day: 10.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,712,583 km

• M1: 148,401 km (0.079 R)
• M2: 565,480 km (0.106 R)
• M3: 943,364 km (0.118 R)
• M4: 1,461,571 km (0.098 R)
• M5: 1,997,730 km (0.112 R)
• M6: 2,720,886 km (0.05 R)
• M7: 4,135,035 km (0.109 R)
• M8: 4,794,911 km (0.091 R)
• M9: 5,196,132 km (0.058 R)
• M10: 5,766,250 km (0.114 R)
• M11: 6,246,908 km (0.112 R)
• M12: 6,617,911 km (0.054 R)
• M13: 7,912,381 km (0.119 R)
• M14: 10,656,904 km (0.112 R)
• M15: 11,188,574 km (0.093 R)
• M16: 11,658,312 km (0.063 R)
• M17: 12,848,064 km (0.098 R)
• M18: 14,298,714 km (0.096 R)
• M19: 15,661,102 km (0.096 R)
• M20: 16,549,264 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.3

Radius: 12.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.47 AU - 3.21 AU

Year: 3192 Days

Day: 7.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,712,583 km

• M1: 158,424 km (0.109 R)
• M2: 553,363 km (0.077 R)
• M3: 1,028,336 km (0.105 R)
• M4: 1,543,401 km (0.077 R)
• M5: 2,150,170 km (0.096 R)
• M6: 2,753,050 km (0.097 R)
• M7: 4,110,949 km (0.09 R)
• M8: 4,719,214 km (0.113 R)
• M9: 5,743,810 km (0.074 R)
• M10: 6,253,789 km (0.093 R)
• M11: 6,970,812 km (0.114 R)
• M12: 7,489,169 km (0.113 R)
• M13: 8,298,194 km (0.045 R)
• M14: 9,454,436 km (0.074 R)
• M15: 9,976,383 km (0.039 R)
• M16: 10,478,134 km (0.083 R)
• M17: 11,078,022 km (0.097 R)
• M18: 11,658,461 km (0.088 R)
• M19: 13,198,721 km (0.1 R)
• M20: 15,070,489 km (0.112 R)
• M21: 17,004,192 km (0.109 R)
• M22: 19,692,615 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.3

Radius: 3.6

Gravity: 59.13 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.09 AU - 7.75 AU

Year: 10848 Days

Day: 24.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 35,712,583 km

• M1: 45,478 km (0.115 R)
• M2: 170,990 km (0.112 R)
• M3: 377,136 km (0.106 R)
• M4: 884,722 km (0.111 R)
• M5: 1,311,674 km (0.096 R)
• M6: 1,685,370 km (0.06 R)
• M7: 3,480,095 km (0.102 R)
• M8: 4,073,999 km (0.103 R)
• M9: 5,054,314 km (0.03 R)
• M10: 6,257,679 km (0.117 R)
• M11: 6,724,424 km (0.063 R)
• M12: 7,297,833 km (0.04 R)
• M13: 9,411,352 km (0.109 R)
• M14: 10,338,709 km (0.08 R)
• M15: 11,899,912 km (0.109 R)
• M16: 12,614,541 km (0.049 R)
• M17: 15,203,332 km (0.075 R)
• M18: 19,635,469 km (0.114 R)
• M19: 20,970,779 km (0.079 R)
• M20: 23,913,668 km (0.069 R)
• M21: 27,323,303 km (0.073 R)
• M22: 27,527,504 km (0.115 R)
• M23: 27,938,599 km (0.071 R)
• M24: 28,878,822 km (0.12 R)
• M25: 30,273,822 km (0.105 R)
• M26: 36,057,874 km (0.086 R)
• M27: 39,728,258 km (0.059 R)
• M28: 46,918,829 km (0.095 R)
• M29: 47,064,986 km (0.095 R)
• M30: 49,900,464 km (0.118 R)
• M31: 50,665,059 km (0.114 R)
• M32: 51,127,615 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.7

Radius: 7.7

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.26 AU - 8.44 AU

Year: 14667 Days

Day: 21.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,712,583 km

• M1: 98,585 km (0.09 R)
• M2: 490,681 km (0.067 R)
• M3: 751,131 km (0.075 R)
• M4: 6,250,648 km (0.043 R)
• M5: 7,904,901 km (0.102 R)
• M6: 8,625,364 km (0.056 R)
• M7: 9,922,228 km (0.096 R)
• M8: 19,877,817 km (0.064 R)
• M9: 20,314,194 km (0.096 R)
• M10: 20,682,654 km (0.115 R)
• M11: 21,205,947 km (0.073 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 15,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit