🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.4

Radius: 13.1

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.07 AU - 1.11 AU

Year: 772 Days

Day: 6.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 167.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,569,671 km

• M1: 162,912 km (0.047 R)
• M2: 669,151 km (0.054 R)
• M3: 1,151,754 km (0.034 R)
• M4: 1,574,518 km (0.084 R)
• M5: 2,011,942 km (0.056 R)
• M6: 2,795,535 km (0.117 R)
• M7: 3,473,513 km (0.113 R)
• M8: 4,228,234 km (0.114 R)
• M9: 4,952,587 km (0.105 R)
• M10: 6,362,996 km (0.1 R)
• M11: 7,009,558 km (0.095 R)
• M12: 7,699,653 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.5

Radius: 8.1

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.58 AU - 2.82 AU

Year: 3009 Days

Day: 9.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,569,671 km

• M1: 100,679 km (0.089 R)
• M2: 501,153 km (0.104 R)
• M3: 844,480 km (0.075 R)
• M4: 1,273,078 km (0.026 R)
• M5: 1,638,545 km (0.095 R)
• M6: 2,072,978 km (0.104 R)
• M7: 2,624,844 km (0.084 R)
• M8: 3,044,765 km (0.1 R)
• M9: 3,354,732 km (0.093 R)
• M10: 4,154,333 km (0.038 R)
• M11: 4,599,087 km (0.082 R)
• M12: 5,371,910 km (0.079 R)
• M13: 5,728,402 km (0.079 R)
• M14: 6,462,778 km (0.119 R)
• M15: 6,811,640 km (0.035 R)
• M16: 7,873,934 km (0.06 R)
• M17: 8,555,801 km (0.112 R)
• M18: 9,242,755 km (0.095 R)
• M19: 9,930,755 km (0.055 R)
• M20: 10,689,366 km (0.091 R)
• M21: 11,524,870 km (0.11 R)
• M22: 11,918,911 km (0.096 R)
• M23: 13,454,982 km (0.12 R)
• M24: 16,170,483 km (0.11 R)
• M25: 16,664,305 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.8

Radius: 12

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.41 AU - 3.67 AU

Year: 3595 Days

Day: 6.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,569,671 km

• M1: 151,094 km (0.082 R)
• M2: 587,920 km (0.102 R)
• M3: 1,068,877 km (0.028 R)
• M4: 1,624,483 km (0.03 R)
• M5: 2,175,751 km (0.1 R)
• M6: 4,488,834 km (0.111 R)
• M7: 5,162,623 km (0.104 R)
• M8: 7,016,888 km (0.097 R)
• M9: 8,266,330 km (0.112 R)
• M10: 9,279,855 km (0.09 R)
• M11: 10,896,111 km (0.11 R)
• M12: 11,357,171 km (0.095 R)
• M13: 11,751,362 km (0.089 R)
• M14: 12,442,354 km (0.118 R)
• M15: 14,311,729 km (0.079 R)
• M16: 15,480,986 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.2

Radius: 9.5

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.78 AU - 3.34 AU

Year: 3631 Days

Day: 5.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,569,671 km

• M1: 118,182 km (0.093 R)
• M2: 425,157 km (0.074 R)
• M3: 940,372 km (0.108 R)
• M4: 1,289,982 km (0.045 R)
• M5: 1,925,773 km (0.114 R)
• M6: 2,274,486 km (0.058 R)
• M7: 3,526,770 km (0.068 R)
• M8: 4,281,790 km (0.078 R)
• M9: 4,904,117 km (0.107 R)
• M10: 5,310,724 km (0.049 R)
• M11: 5,739,771 km (0.116 R)
• M12: 6,870,282 km (0.116 R)
• M13: 7,534,946 km (0.104 R)
• M14: 7,947,536 km (0.091 R)
• M15: 9,750,490 km (0.106 R)
• M16: 14,628,428 km (0.1 R)
• M17: 15,071,537 km (0.077 R)
• M18: 16,088,503 km (0.119 R)
• M19: 18,033,126 km (0.028 R)
• M20: 18,945,822 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.2

Radius: 11

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.94 AU - 5.74 AU

Year: 8370 Days

Day: 6.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,569,671 km

• M1: 152,889 km (0.115 R)
• M2: 757,264 km (0.116 R)
• M3: 1,702,873 km (0.099 R)
• M4: 2,198,790 km (0.117 R)
• M5: 2,587,744 km (0.072 R)
• M6: 4,629,456 km (0.101 R)
• M7: 5,043,543 km (0.082 R)
• M8: 5,664,823 km (0.111 R)
• M9: 6,336,367 km (0.111 R)
• M10: 12,454,172 km (0.029 R)
• M11: 13,423,267 km (0.098 R)
• M12: 20,321,973 km (0.106 R)
• M13: 20,762,838 km (0.111 R)
• M14: 24,194,015 km (0.117 R)
• M15: 28,532,054 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.6

Radius: 5.2

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.01 AU - 7.83 AU

Year: 13709 Days

Day: 22.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,569,671 km

• M1: 64,776 km (0.111 R)
• M2: 334,501 km (0.101 R)
• M3: 686,505 km (0.031 R)
• M4: 2,569,194 km (0.106 R)
• M5: 3,121,659 km (0.117 R)
• M6: 6,103,892 km (0.106 R)
• M7: 10,235,337 km (0.089 R)
• M8: 12,586,118 km (0.114 R)
• M9: 12,867,661 km (0.101 R)
• M10: 14,708,163 km (0.052 R)
• M11: 16,314,845 km (0.081 R)
• M12: 20,875,336 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.6

Radius: 6.9

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 9.07 AU - 11.81 AU

Year: 22879 Days

Day: 23.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,569,671 km

• M1: 85,869 km (0.089 R)
• M2: 496,815 km (0.04 R)
• M3: 816,056 km (0.115 R)
• M4: 1,296,266 km (0.099 R)
• M5: 1,666,520 km (0.099 R)
• M6: 2,027,201 km (0.114 R)
• M7: 2,417,202 km (0.119 R)
• M8: 3,513,306 km (0.086 R)
• M9: 4,234,817 km (0.055 R)
• M10: 4,496,014 km (0.064 R)
• M11: 6,901,847 km (0.08 R)
• M12: 7,735,556 km (0.115 R)
• M13: 9,002,501 km (0.113 R)
• M14: 11,308,253 km (0.056 R)
• M15: 12,135,230 km (0.028 R)
• M16: 12,933,933 km (0.069 R)
• M17: 14,052,626 km (0.118 R)
• M18: 16,242,140 km (0.058 R)
• M19: 20,627,153 km (0.088 R)
• M20: 31,889,329 km (0.102 R)
• M21: 33,022,084 km (0.088 R)
• M22: 37,682,656 km (0.11 R)
• M23: 40,387,536 km (0.088 R)
• M24: 41,267,919 km (0.034 R)
• M25: 42,461,560 km (0.045 R)
• M26: 43,066,833 km (0.038 R)
• M27: 46,981,510 km (0.037 R)
• M28: 47,628,970 km (0.12 R)
• M29: 53,200,444 km (0.055 R)
• M30: 60,708,013 km (0.095 R)
• M31: 63,622,030 km (0.051 R)
• M32: 68,062,543 km (0.071 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 19,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit