🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.3

Radius: 9.8

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.93 AU - 1.23 AU

Year: 714 Days

Day: 6.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,110,622 km

• M1: 121,922 km (0.076 R)
• M2: 535,112 km (0.095 R)
• M3: 1,091,616 km (0.119 R)
• M4: 1,479,523 km (0.05 R)
• M5: 1,819,559 km (0.087 R)
• M6: 2,241,574 km (0.111 R)
• M7: 2,583,705 km (0.058 R)
• M8: 2,973,108 km (0.073 R)
• M9: 3,388,093 km (0.114 R)
• M10: 3,714,066 km (0.076 R)
• M11: 5,269,884 km (0.119 R)
• M12: 5,597,204 km (0.067 R)
• M13: 5,976,884 km (0.095 R)
• M14: 6,537,277 km (0.099 R)
• M15: 7,398,363 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.1

Radius: 14.2

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.54 AU - 1.56 AU

Year: 1227 Days

Day: 14.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,110,622 km

• M1: 185,053 km (0.087 R)
• M2: 695,331 km (0.117 R)
• M3: 1,158,187 km (0.087 R)
• M4: 1,606,681 km (0.105 R)
• M5: 2,723,878 km (0.066 R)
• M6: 3,210,071 km (0.113 R)
• M7: 3,848,704 km (0.05 R)
• M8: 4,733,277 km (0.109 R)
• M9: 5,687,412 km (0.096 R)
• M10: 6,422,237 km (0.117 R)
• M11: 7,002,377 km (0.076 R)
• M12: 8,787,379 km (0.107 R)
• M13: 9,562,745 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.2

Radius: 12.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.43 AU - 2.33 AU

Year: 1639 Days

Day: 8.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,110,622 km

• M1: 159,172 km (0.107 R)
• M2: 595,848 km (0.111 R)
• M3: 1,568,384 km (0.11 R)
• M4: 1,975,889 km (0.084 R)
• M5: 2,467,916 km (0.117 R)
• M6: 2,954,408 km (0.115 R)
• M7: 3,488,622 km (0.114 R)
• M8: 5,250,736 km (0.075 R)
• M9: 7,035,139 km (0.06 R)
• M10: 8,108,803 km (0.104 R)
• M11: 8,730,681 km (0.067 R)
• M12: 11,432,568 km (0.11 R)
• M13: 12,600,479 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.7

Radius: 14.2

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.55 AU - 3.01 AU

Year: 2947 Days

Day: 10.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,110,622 km

• M1: 178,171 km (0.113 R)
• M2: 628,012 km (0.095 R)
• M3: 1,241,064 km (0.11 R)
• M4: 1,716,187 km (0.113 R)
• M5: 2,301,713 km (0.1 R)
• M6: 3,150,382 km (0.031 R)
• M7: 3,960,753 km (0.073 R)
• M8: 5,567,584 km (0.107 R)
• M9: 6,234,342 km (0.066 R)
• M10: 7,544,669 km (0.119 R)
• M11: 8,395,283 km (0.086 R)
• M12: 9,772,032 km (0.11 R)
• M13: 11,495,400 km (0.08 R)
• M14: 12,708,638 km (0.091 R)
• M15: 13,548,630 km (0.092 R)
• M16: 14,614,814 km (0.067 R)
• M17: 15,487,718 km (0.066 R)
• M18: 18,594,118 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.5

Radius: 12.7

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.44 AU - 4.56 AU

Year: 5087 Days

Day: 13.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,110,622 km

• M1: 158,424 km (0.061 R)
• M2: 679,474 km (0.073 R)
• M3: 1,236,277 km (0.098 R)
• M4: 1,810,134 km (0.098 R)
• M5: 2,445,776 km (0.081 R)
• M6: 3,110,289 km (0.106 R)
• M7: 3,521,683 km (0.105 R)
• M8: 4,008,774 km (0.04 R)
• M9: 4,455,773 km (0.025 R)
• M10: 5,004,198 km (0.075 R)
• M11: 6,452,306 km (0.105 R)
• M12: 7,185,485 km (0.066 R)
• M13: 7,633,231 km (0.083 R)
• M14: 8,227,284 km (0.088 R)
• M15: 8,919,474 km (0.054 R)
• M16: 9,437,382 km (0.086 R)
• M17: 9,975,336 km (0.102 R)
• M18: 11,794,895 km (0.103 R)
• M19: 12,761,895 km (0.073 R)
• M20: 13,242,703 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.5

Radius: 6.1

Gravity: 25.06 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.07 AU - 9.39 AU

Year: 17829 Days

Day: 20.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,110,622 km

• M1: 75,846 km (0.096 R)
• M2: 383,719 km (0.058 R)
• M3: 709,543 km (0.116 R)
• M4: 1,127,818 km (0.08 R)
• M5: 1,611,767 km (0.108 R)
• M6: 4,885,118 km (0.113 R)
• M7: 7,045,461 km (0.099 R)
• M8: 7,721,045 km (0.109 R)
• M9: 8,126,007 km (0.061 R)
• M10: 9,033,617 km (0.037 R)
• M11: 9,947,660 km (0.108 R)
• M12: 11,432,419 km (0.069 R)
• M13: 12,500,548 km (0.072 R)
• M14: 13,058,847 km (0.104 R)
• M15: 13,706,755 km (0.092 R)
• M16: 18,405,026 km (0.053 R)
• M17: 22,715,090 km (0.044 R)
• M18: 29,080,928 km (0.101 R)
• M19: 40,330,090 km (0.118 R)
• M20: 41,393,282 km (0.106 R)
• M21: 43,575,765 km (0.081 R)
• M22: 47,998,926 km (0.079 R)
• M23: 54,717,964 km (0.096 R)
• M24: 56,584,796 km (0.107 R)
• M25: 59,074,703 km (0.071 R)
• M26: 61,038,923 km (0.089 R)
• M27: 62,037,190 km (0.083 R)
• M28: 66,980,951 km (0.076 R)
• M29: 68,900,441 km (0.106 R)
• M30: 75,563,680 km (0.106 R)
• M31: 76,714,386 km (0.075 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 10,441 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit