🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815

Radius: 10.1

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.9 AU - 1.04 AU

Year: 617 Days

Day: 7.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,095,461 km

• M1: 125,812 km (0.082 R)
• M2: 451,636 km (0.075 R)
• M3: 885,171 km (0.105 R)
• M4: 1,222,813 km (0.08 R)
• M5: 1,563,148 km (0.07 R)
• M6: 2,622,899 km (0.097 R)
• M7: 2,942,291 km (0.12 R)
• M8: 3,378,518 km (0.104 R)
• M9: 3,772,260 km (0.12 R)
• M10: 4,523,540 km (0.115 R)
• M11: 5,246,697 km (0.092 R)
• M12: 5,571,623 km (0.085 R)
• M13: 5,929,012 km (0.07 R)
• M14: 7,008,361 km (0.112 R)
• M15: 7,448,029 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.8

Radius: 8.5

Gravity: 13.04 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.31 AU - 1.35 AU

Year: 990 Days

Day: 13.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,095,461 km

• M1: 105,766 km (0.086 R)
• M2: 490,232 km (0.09 R)
• M3: 791,822 km (0.065 R)
• M4: 1,163,423 km (0.119 R)
• M5: 1,578,856 km (0.071 R)
• M6: 1,945,520 km (0.088 R)
• M7: 2,311,138 km (0.043 R)
• M8: 2,812,739 km (0.104 R)
• M9: 3,399,911 km (0.085 R)
• M10: 3,707,035 km (0.118 R)
• M11: 3,999,349 km (0.069 R)
• M12: 4,324,725 km (0.057 R)
• M13: 4,817,351 km (0.113 R)
• M14: 5,326,582 km (0.089 R)
• M15: 5,678,735 km (0.05 R)
• M16: 6,568,843 km (0.094 R)
• M17: 7,047,406 km (0.06 R)
• M18: 7,370,837 km (0.071 R)
• M19: 7,704,141 km (0.063 R)
• M20: 9,950,802 km (0.057 R)
• M21: 11,173,315 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.3

Radius: 8.8

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.34 AU - 1.86 AU

Year: 1307 Days

Day: 9.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,095,461 km

• M1: 109,506 km (0.04 R)
• M2: 463,005 km (0.112 R)
• M3: 759,508 km (0.088 R)
• M4: 1,283,699 km (0.104 R)
• M5: 1,829,881 km (0.094 R)
• M6: 2,320,861 km (0.036 R)
• M7: 2,751,404 km (0.118 R)
• M8: 3,076,779 km (0.115 R)
• M9: 3,397,517 km (0.094 R)
• M10: 3,838,233 km (0.089 R)
• M11: 4,298,844 km (0.089 R)
• M12: 4,663,414 km (0.077 R)
• M13: 5,289,930 km (0.093 R)
• M14: 5,709,104 km (0.107 R)
• M15: 6,590,684 km (0.043 R)
• M16: 7,151,526 km (0.098 R)
• M17: 7,849,999 km (0.095 R)
• M18: 8,174,776 km (0.112 R)
• M19: 10,837,767 km (0.055 R)
• M20: 11,173,016 km (0.06 R)
• M21: 11,793,847 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.9

Radius: 14.4

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.77 AU - 2.79 AU

Year: 2223 Days

Day: 10.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,095,461 km

• M1: 179,517 km (0.086 R)
• M2: 781,798 km (0.055 R)
• M3: 1,255,575 km (0.075 R)
• M4: 2,196,246 km (0.101 R)
• M5: 2,904,891 km (0.069 R)
• M6: 3,584,814 km (0.1 R)
• M7: 6,211,752 km (0.118 R)
• M8: 6,836,922 km (0.073 R)
• M9: 7,990,920 km (0.077 R)
• M10: 8,499,104 km (0.065 R)
• M11: 10,684,130 km (0.116 R)
• M12: 11,834,837 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.1

Radius: 8.7

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.33 AU - 2.65 AU

Year: 2537 Days

Day: 8 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,095,461 km

• M1: 108,159 km (0.086 R)
• M2: 875,447 km (0.114 R)
• M3: 1,898,696 km (0.104 R)
• M4: 2,187,869 km (0.116 R)
• M5: 2,842,509 km (0.107 R)
• M6: 4,633,944 km (0.076 R)
• M7: 5,142,427 km (0.104 R)
• M8: 5,847,033 km (0.089 R)
• M9: 6,589,487 km (0.091 R)
• M10: 7,805,119 km (0.104 R)
• M11: 8,203,199 km (0.098 R)
• M12: 9,195,183 km (0.097 R)
• M13: 11,561,073 km (0.038 R)
• M14: 12,419,615 km (0.102 R)
• M15: 13,041,494 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.5

Radius: 11.1

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.49 AU - 3.41 AU

Year: 3272 Days

Day: 10.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,095,461 km

• M1: 138,079 km (0.051 R)
• M2: 571,613 km (0.094 R)
• M3: 994,826 km (0.033 R)
• M4: 1,518,418 km (0.087 R)
• M5: 1,870,721 km (0.114 R)
• M6: 2,337,317 km (0.063 R)
• M7: 3,409,934 km (0.12 R)
• M8: 4,687,350 km (0.099 R)
• M9: 5,637,446 km (0.116 R)
• M10: 6,408,324 km (0.048 R)
• M11: 6,834,977 km (0.107 R)
• M12: 7,711,770 km (0.05 R)
• M13: 9,648,763 km (0.064 R)
• M14: 10,416,201 km (0.073 R)
• M15: 11,267,712 km (0.104 R)
• M16: 11,710,372 km (0.071 R)
• M17: 14,459,981 km (0.113 R)
• M18: 15,957,006 km (0.115 R)
• M19: 17,613,952 km (0.12 R)
• M20: 21,535,960 km (0.102 R)
• M21: 22,149,910 km (0.119 R)
• M22: 23,412,665 km (0.061 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 17,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit