🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161

Radius: 13.4

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.69 AU - 0.77 AU

Year: 397 Days

Day: 7.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,526,662 km

• M1: 166,652 km (0.096 R)
• M2: 863,180 km (0.103 R)
• M3: 1,308,832 km (0.091 R)
• M4: 2,045,003 km (0.081 R)
• M5: 2,774,143 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.3

Radius: 10.9

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.76 AU - 1.1 AU

Year: 570 Days

Day: 14.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,526,662 km

• M1: 135,685 km (0.103 R)
• M2: 557,701 km (0.063 R)
• M3: 1,003,802 km (0.1 R)
• M4: 1,349,672 km (0.112 R)
• M5: 1,861,147 km (0.101 R)
• M6: 2,573,682 km (0.113 R)
• M7: 3,151,878 km (0.107 R)
• M8: 3,539,336 km (0.109 R)
• M9: 4,046,323 km (0.107 R)
• M10: 4,426,451 km (0.112 R)
• M11: 4,830,515 km (0.114 R)
• M12: 5,806,941 km (0.107 R)
• M13: 6,473,549 km (0.084 R)
• M14: 7,455,808 km (0.112 R)
• M15: 7,796,742 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.6

Radius: 8.6

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.05 AU - 1.23 AU

Year: 774 Days

Day: 5.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,526,662 km

• M1: 106,962 km (0.086 R)
• M2: 377,884 km (0.085 R)
• M3: 800,648 km (0.112 R)
• M4: 1,131,558 km (0.091 R)
• M5: 1,553,723 km (0.099 R)
• M6: 1,928,466 km (0.092 R)
• M7: 2,255,637 km (0.047 R)
• M8: 3,239,691 km (0.108 R)
• M9: 4,025,230 km (0.086 R)
• M10: 4,485,991 km (0.031 R)
• M11: 6,351,776 km (0.057 R)
• M12: 6,811,939 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.2

Radius: 9.5

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.16 AU - 3.5 AU

Year: 3027 Days

Day: 11.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,526,662 km

• M1: 120,576 km (0.104 R)
• M2: 508,633 km (0.079 R)
• M3: 1,494,034 km (0.109 R)
• M4: 2,236,937 km (0.102 R)
• M5: 3,310,302 km (0.113 R)
• M6: 4,169,891 km (0.055 R)
• M7: 6,625,839 km (0.118 R)
• M8: 7,166,336 km (0.116 R)
• M9: 7,583,116 km (0.098 R)
• M10: 8,563,880 km (0.119 R)
• M11: 9,626,922 km (0.047 R)
• M12: 13,388,112 km (0.058 R)
• M13: 17,384,769 km (0.082 R)
• M14: 17,758,913 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.2

Radius: 10.5

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.88 AU - 3.24 AU

Year: 3403 Days

Day: 9.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,526,662 km

• M1: 131,197 km (0.041 R)
• M2: 465,698 km (0.069 R)
• M3: 845,677 km (0.053 R)
• M4: 1,206,357 km (0.071 R)
• M5: 1,736,382 km (0.099 R)
• M6: 2,307,846 km (0.093 R)
• M7: 2,690,368 km (0.059 R)
• M8: 3,335,733 km (0.106 R)
• M9: 3,808,463 km (0.093 R)
• M10: 4,222,549 km (0.105 R)
• M11: 4,776,959 km (0.088 R)
• M12: 5,599,299 km (0.072 R)
• M13: 5,927,965 km (0.09 R)
• M14: 6,568,543 km (0.12 R)
• M15: 7,403,599 km (0.113 R)
• M16: 9,041,695 km (0.109 R)
• M17: 9,637,843 km (0.082 R)
• M18: 11,912,478 km (0.111 R)
• M19: 12,288,418 km (0.067 R)
• M20: 13,918,287 km (0.027 R)
• M21: 15,637,914 km (0.088 R)
• M22: 16,964,847 km (0.096 R)
• M23: 18,699,435 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.1

Radius: 10.4

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.29 AU - 4.59 AU

Year: 4973 Days

Day: 11.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,526,662 km

• M1: 131,646 km (0.111 R)
• M2: 462,407 km (0.059 R)
• M3: 826,229 km (0.061 R)
• M4: 1,399,338 km (0.095 R)
• M5: 1,764,507 km (0.12 R)
• M6: 2,164,980 km (0.102 R)
• M7: 3,480,394 km (0.102 R)
• M8: 3,961,501 km (0.074 R)
• M9: 6,651,121 km (0.111 R)
• M10: 7,394,174 km (0.075 R)
• M11: 7,734,210 km (0.113 R)
• M12: 10,247,155 km (0.096 R)
• M13: 13,013,818 km (0.062 R)
• M14: 14,542,110 km (0.073 R)
• M15: 17,649,108 km (0.101 R)
• M16: 22,634,607 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.1

Radius: 14

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.62 AU - 5.56 AU

Year: 7301 Days

Day: 11 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,526,662 km

• M1: 174,282 km (0.114 R)
• M2: 630,256 km (0.082 R)
• M3: 1,211,743 km (0.079 R)
• M4: 3,361,614 km (0.111 R)
• M5: 4,532,217 km (0.11 R)
• M6: 5,126,869 km (0.066 R)
• M7: 7,779,538 km (0.095 R)
• M8: 9,128,163 km (0.085 R)
• M9: 9,596,404 km (0.077 R)
• M10: 11,290,450 km (0.111 R)
• M11: 11,731,166 km (0.081 R)
• M12: 12,751,872 km (0.107 R)
• M13: 14,110,071 km (0.068 R)
• M14: 14,564,400 km (0.11 R)
• M15: 15,864,705 km (0.059 R)
• M16: 16,605,812 km (0.025 R)
• M17: 18,627,777 km (0.113 R)
• M18: 19,662,995 km (0.087 R)
• M19: 21,028,823 km (0.031 R)
• M20: 23,949,123 km (0.119 R)
• M21: 29,462,553 km (0.047 R)
• M22: 30,867,426 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.4

Radius: 12.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.84 AU - 6.66 AU

Year: 8767 Days

Day: 12.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,526,662 km

• M1: 154,235 km (0.109 R)
• M2: 597,344 km (0.07 R)
• M3: 2,111,125 km (0.039 R)
• M4: 2,553,037 km (0.109 R)
• M5: 3,209,622 km (0.12 R)
• M6: 3,626,701 km (0.083 R)
• M7: 4,543,287 km (0.097 R)
• M8: 5,288,285 km (0.115 R)
• M9: 6,833,182 km (0.091 R)
• M10: 8,314,051 km (0.095 R)
• M11: 8,926,804 km (0.073 R)
• M12: 9,616,600 km (0.111 R)
• M13: 11,470,866 km (0.086 R)
• M14: 11,955,712 km (0.031 R)
• M15: 12,909,099 km (0.111 R)
• M16: 17,235,769 km (0.097 R)
• M17: 23,633,621 km (0.093 R)
• M18: 24,420,057 km (0.101 R)
• M19: 25,678,026 km (0.116 R)
• M20: 26,137,590 km (0.093 R)
• M21: 27,837,920 km (0.096 R)
• M22: 28,420,603 km (0.078 R)
• M23: 29,711,334 km (0.094 R)
• M24: 38,288,079 km (0.077 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 16,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit