🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.1

Radius: 12.3

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.54 AU - 0.54 AU

Year: 269 Days

Day: 10.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,701,542 km

• M1: 153,039 km (0.088 R)
• M2: 599,887 km (0.09 R)
• M3: 1,085,183 km (0.087 R)
• M4: 1,544,598 km (0.075 R)
• M5: 2,085,544 km (0.071 R)
• M6: 2,514,740 km (0.107 R)
• M7: 3,057,182 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975

Radius: 13.2

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.74 AU - 2.12 AU

Year: 1819 Days

Day: 10.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,701,542 km

• M1: 164,857 km (0.112 R)
• M2: 599,738 km (0.09 R)
• M3: 1,181,075 km (0.093 R)
• M4: 1,715,888 km (0.056 R)
• M5: 2,505,764 km (0.072 R)
• M6: 3,474,411 km (0.11 R)
• M7: 4,595,198 km (0.065 R)
• M8: 5,530,633 km (0.096 R)
• M9: 6,299,716 km (0.055 R)
• M10: 6,778,429 km (0.067 R)
• M11: 7,338,673 km (0.063 R)
• M12: 7,838,928 km (0.077 R)
• M13: 9,207,300 km (0.043 R)
• M14: 10,544,107 km (0.091 R)
• M15: 11,336,377 km (0.12 R)
• M16: 12,331,053 km (0.116 R)
• M17: 14,131,912 km (0.081 R)
• M18: 14,723,273 km (0.066 R)
• M19: 15,236,543 km (0.085 R)
• M20: 15,761,632 km (0.089 R)
• M21: 16,298,838 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.3

Radius: 12.8

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.89 AU - 2.67 AU

Year: 2335 Days

Day: 7.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,701,542 km

• M1: 159,471 km (0.091 R)
• M2: 641,924 km (0.072 R)
• M3: 1,144,723 km (0.056 R)
• M4: 1,571,974 km (0.101 R)
• M5: 2,060,561 km (0.07 R)
• M6: 2,581,162 km (0.097 R)
• M7: 3,032,349 km (0.096 R)
• M8: 3,782,133 km (0.095 R)
• M9: 4,549,271 km (0.064 R)
• M10: 5,464,062 km (0.065 R)
• M11: 5,867,677 km (0.025 R)
• M12: 6,316,770 km (0.119 R)
• M13: 7,006,267 km (0.106 R)
• M14: 7,628,295 km (0.113 R)
• M15: 8,164,453 km (0.077 R)
• M16: 9,048,577 km (0.083 R)
• M17: 10,313,427 km (0.068 R)
• M18: 13,446,754 km (0.118 R)
• M19: 14,142,085 km (0.067 R)
• M20: 15,937,858 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.1

Radius: 8.1

Gravity: 11.65 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.42 AU - 3.64 AU

Year: 3577 Days

Day: 9.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 75.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,701,542 km

• M1: 110,403 km (0.091 R)
• M2: 370,105 km (0.109 R)
• M3: 767,736 km (0.045 R)
• M4: 1,245,552 km (0.083 R)
• M5: 2,545,109 km (0.101 R)
• M6: 3,669,935 km (0.082 R)
• M7: 4,770,078 km (0.092 R)
• M8: 5,044,739 km (0.099 R)
• M9: 5,819,806 km (0.067 R)
• M10: 6,702,733 km (0.032 R)
• M11: 13,607,273 km (0.09 R)
• M12: 14,315,469 km (0.073 R)
• M13: 18,350,124 km (0.077 R)
• M14: 20,429,684 km (0.075 R)
• M15: 20,823,874 km (0.101 R)
• M16: 23,013,239 km (0.077 R)
• M17: 24,236,501 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.5

Radius: 6.7

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.29 AU - 7.25 AU

Year: 11947 Days

Day: 24.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,701,542 km

• M1: 85,121 km (0.119 R)
• M2: 1,337,854 km (0.11 R)
• M3: 2,947,078 km (0.066 R)
• M4: 4,924,762 km (0.109 R)
• M5: 6,446,621 km (0.103 R)
• M6: 9,139,233 km (0.03 R)
• M7: 17,565,932 km (0.108 R)
• M8: 18,846,041 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.8

Radius: 6.3

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.33 AU - 7.57 AU

Year: 13792 Days

Day: 24.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,701,542 km

• M1: 80,184 km (0.069 R)
• M2: 407,654 km (0.109 R)
• M3: 677,828 km (0.095 R)
• M4: 1,263,653 km (0.101 R)
• M5: 1,460,225 km (0.088 R)
• M6: 2,978,942 km (0.1 R)
• M7: 3,376,873 km (0.101 R)
• M8: 4,993,577 km (0.059 R)
• M9: 5,885,330 km (0.072 R)
• M10: 9,654,897 km (0.103 R)
• M11: 10,278,271 km (0.045 R)
• M12: 11,133,373 km (0.106 R)
• M13: 14,470,004 km (0.093 R)
• M14: 15,672,172 km (0.08 R)
• M15: 19,676,758 km (0.077 R)
• M16: 22,611,868 km (0.028 R)
• M17: 23,537,879 km (0.085 R)
• M18: 29,730,183 km (0.044 R)
• M19: 32,188,525 km (0.093 R)
• M20: 32,505,074 km (0.107 R)
• M21: 33,037,194 km (0.117 R)
• M22: 34,668,559 km (0.109 R)
• M23: 35,112,565 km (0.046 R)
• M24: 35,447,963 km (0.088 R)
• M25: 37,505,533 km (0.06 R)
• M26: 40,371,080 km (0.117 R)
• M27: 41,233,661 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.1

Radius: 6.2

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.19 AU - 11.51 AU

Year: 20967 Days

Day: 15.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,701,542 km

• M1: 92,152 km (0.112 R)
• M2: 496,815 km (0.043 R)
• M3: 721,959 km (0.103 R)
• M4: 980,614 km (0.073 R)
• M5: 1,314,965 km (0.07 R)
• M6: 1,757,625 km (0.109 R)
• M7: 3,325,561 km (0.044 R)
• M8: 4,144,011 km (0.052 R)
• M9: 6,766,012 km (0.114 R)
• M10: 17,736,324 km (0.052 R)
• M11: 21,585,178 km (0.11 R)
• M12: 22,652,259 km (0.039 R)
• M13: 22,949,361 km (0.094 R)
• M14: 26,172,746 km (0.095 R)
• M15: 39,457,336 km (0.116 R)
• M16: 57,354,178 km (0.092 R)
• M17: 59,583,037 km (0.083 R)
• M18: 69,701,538 km (0.101 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 13,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit