🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.8

Radius: 14.9

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.43 AU - 0.69 AU

Year: 279 Days

Day: 9.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,753,749 km

• M1: 185,352 km (0.112 R)
• M2: 699,819 km (0.092 R)
• M3: 1,242,859 km (0.075 R)
• M4: 1,713,494 km (0.053 R)
• M5: 2,298,721 km (0.063 R)
• M6: 2,869,287 km (0.057 R)
• M7: 3,450,924 km (0.118 R)
• M8: 4,006,829 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.6

Radius: 11.4

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.55 AU - 0.71 AU

Year: 333 Days

Day: 5.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,753,749 km

• M1: 141,819 km (0.088 R)
• M2: 496,665 km (0.11 R)
• M3: 876,793 km (0.065 R)
• M4: 1,559,109 km (0.074 R)
• M5: 2,513,543 km (0.095 R)
• M6: 3,529,014 km (0.1 R)
• M7: 3,897,473 km (0.048 R)
• M8: 4,346,117 km (0.115 R)
• M9: 4,918,030 km (0.109 R)
• M10: 5,395,247 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.9

Radius: 10.6

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.71 AU - 0.77 AU

Year: 424 Days

Day: 8.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,753,749 km

• M1: 132,245 km (0.093 R)
• M2: 558,299 km (0.115 R)
• M3: 1,084,734 km (0.079 R)
• M4: 1,581,399 km (0.092 R)
• M5: 1,950,906 km (0.1 R)
• M6: 2,341,955 km (0.044 R)
• M7: 2,899,506 km (0.073 R)
• M8: 3,868,003 km (0.032 R)
• M9: 4,548,224 km (0.074 R)
• M10: 5,039,653 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.2

Radius: 8.5

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.78 AU - 2.96 AU

Year: 2433 Days

Day: 13.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,753,749 km

• M1: 105,766 km (0.088 R)
• M2: 424,260 km (0.115 R)
• M3: 724,951 km (0.037 R)
• M4: 1,291,030 km (0.061 R)
• M5: 1,666,371 km (0.107 R)
• M6: 2,359,607 km (0.089 R)
• M7: 2,757,388 km (0.105 R)
• M8: 3,052,245 km (0.039 R)
• M9: 3,669,636 km (0.116 R)
• M10: 4,285,829 km (0.111 R)
• M11: 4,792,069 km (0.114 R)
• M12: 5,601,094 km (0.074 R)
• M13: 7,972,669 km (0.055 R)
• M14: 8,970,936 km (0.093 R)
• M15: 10,305,797 km (0.12 R)
• M16: 12,092,893 km (0.102 R)
• M17: 12,465,243 km (0.081 R)
• M18: 13,941,624 km (0.114 R)
• M19: 15,004,367 km (0.061 R)
• M20: 16,169,884 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.6

Radius: 14.3

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.07 AU - 2.95 AU

Year: 2652 Days

Day: 8.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,753,749 km

• M1: 177,872 km (0.081 R)
• M2: 693,685 km (0.091 R)
• M3: 1,236,875 km (0.041 R)
• M4: 1,867,131 km (0.113 R)
• M5: 2,532,842 km (0.09 R)
• M6: 3,002,579 km (0.088 R)
• M7: 3,585,412 km (0.044 R)
• M8: 4,284,333 km (0.026 R)
• M9: 5,073,013 km (0.118 R)
• M10: 6,008,449 km (0.074 R)
• M11: 6,826,001 km (0.113 R)
• M12: 8,287,423 km (0.082 R)
• M13: 12,240,696 km (0.079 R)
• M14: 12,974,623 km (0.091 R)
• M15: 16,310,357 km (0.079 R)
• M16: 16,934,778 km (0.055 R)
• M17: 17,521,202 km (0.078 R)
• M18: 19,018,078 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.8

Radius: 10.6

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.57 AU - 3.79 AU

Year: 4708 Days

Day: 6.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 153.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,753,749 km

• M1: 132,693 km (0.117 R)
• M2: 847,173 km (0.089 R)
• M3: 1,219,671 km (0.063 R)
• M4: 1,962,425 km (0.059 R)
• M5: 3,201,095 km (0.111 R)
• M6: 4,634,542 km (0.114 R)
• M7: 5,464,810 km (0.068 R)
• M8: 7,240,537 km (0.087 R)
• M9: 7,935,120 km (0.047 R)
• M10: 8,554,006 km (0.067 R)
• M11: 9,714,138 km (0.108 R)
• M12: 10,929,321 km (0.086 R)
• M13: 11,549,404 km (0.103 R)
• M14: 13,122,725 km (0.091 R)
• M15: 14,266,700 km (0.1 R)
• M16: 14,949,614 km (0.063 R)
• M17: 16,627,953 km (0.096 R)
• M18: 18,763,014 km (0.105 R)
• M19: 21,662,669 km (0.106 R)
• M20: 24,044,417 km (0.113 R)
• M21: 24,848,506 km (0.117 R)
• M22: 27,195,696 km (0.106 R)
• M23: 29,412,886 km (0.062 R)
• M24: 31,748,109 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.8

Radius: 8.2

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.08 AU - 4.98 AU

Year: 5395 Days

Day: 12.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,753,749 km

• M1: 103,522 km (0.07 R)
• M2: 373,845 km (0.1 R)
• M3: 1,086,529 km (0.078 R)
• M4: 2,484,671 km (0.102 R)
• M5: 3,031,152 km (0.061 R)
• M6: 4,559,444 km (0.117 R)
• M7: 6,835,127 km (0.037 R)
• M8: 13,111,954 km (0.119 R)
• M9: 14,265,354 km (0.027 R)
• M10: 18,901,392 km (0.032 R)
• M11: 21,843,084 km (0.073 R)
• M12: 26,602,092 km (0.046 R)
• M13: 28,188,278 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882.7

Radius: 5.4

Gravity: 30.27 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.77 AU - 7.23 AU

Year: 11051 Days

Day: 23.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,753,749 km

• M1: 67,319 km (0.111 R)
• M2: 258,954 km (0.097 R)
• M3: 590,313 km (0.064 R)
• M4: 1,276,519 km (0.112 R)
• M5: 1,647,073 km (0.069 R)
• M6: 1,874,910 km (0.084 R)
• M7: 3,294,744 km (0.063 R)
• M8: 4,105,115 km (0.095 R)
• M9: 5,811,877 km (0.104 R)
• M10: 6,110,923 km (0.09 R)
• M11: 6,821,214 km (0.119 R)
• M12: 8,738,760 km (0.101 R)
• M13: 10,764,614 km (0.101 R)
• M14: 11,562,270 km (0.096 R)
• M15: 12,957,270 km (0.074 R)
• M16: 15,715,705 km (0.089 R)
• M17: 16,222,842 km (0.111 R)
• M18: 16,966,044 km (0.111 R)
• M19: 18,123,184 km (0.037 R)
• M20: 26,189,650 km (0.076 R)
• M21: 27,522,867 km (0.085 R)
• M22: 33,785,183 km (0.081 R)
• M23: 34,872,760 km (0.061 R)
• M24: 39,589,730 km (0.059 R)
• M25: 40,933,867 km (0.047 R)
• M26: 42,586,774 km (0.101 R)
• M27: 45,003,677 km (0.113 R)
• M28: 46,024,982 km (0.1 R)
• M29: 47,360,591 km (0.117 R)
• M30: 52,961,685 km (0.098 R)
• M31: 53,936,166 km (0.039 R)
• M32: 55,586,829 km (0.082 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: 466 - 10,969 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit