🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.1

Radius: 14.2

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.72 AU - 0.98 AU

Year: 541 Days

Day: 12.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,935,891 km

• M1: 176,525 km (0.107 R)
• M2: 870,360 km (0.091 R)
• M3: 1,366,128 km (0.08 R)
• M4: 2,090,780 km (0.104 R)
• M5: 2,637,560 km (0.081 R)
• M6: 3,133,776 km (0.055 R)
• M7: 3,612,489 km (0.11 R)
• M8: 4,317,395 km (0.064 R)
• M9: 7,122,504 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510

Radius: 11.2

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.04 AU - 1.26 AU

Year: 851 Days

Day: 14.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,935,891 km

• M1: 139,276 km (0.089 R)
• M2: 558,000 km (0.076 R)
• M3: 1,030,879 km (0.114 R)
• M4: 1,727,407 km (0.072 R)
• M5: 2,206,569 km (0.07 R)
• M6: 2,570,540 km (0.051 R)
• M7: 2,975,053 km (0.086 R)
• M8: 3,381,959 km (0.11 R)
• M9: 3,855,137 km (0.093 R)
• M10: 4,468,189 km (0.103 R)
• M11: 4,849,514 km (0.084 R)
• M12: 5,850,623 km (0.045 R)
• M13: 7,182,942 km (0.108 R)
• M14: 7,778,640 km (0.079 R)
• M15: 8,209,931 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693

Radius: 13.2

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.21 AU - 1.45 AU

Year: 1059 Days

Day: 12.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,935,891 km

• M1: 164,558 km (0.1 R)
• M2: 626,665 km (0.097 R)
• M3: 1,061,397 km (0.091 R)
• M4: 1,655,300 km (0.083 R)
• M5: 2,076,867 km (0.118 R)
• M6: 2,931,071 km (0.061 R)
• M7: 4,357,786 km (0.113 R)
• M8: 4,856,246 km (0.119 R)
• M9: 5,294,119 km (0.086 R)
• M10: 5,989,899 km (0.103 R)
• M11: 7,766,972 km (0.077 R)
• M12: 8,666,653 km (0.102 R)
• M13: 9,342,836 km (0.118 R)
• M14: 10,175,946 km (0.102 R)
• M15: 10,610,678 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.5

Radius: 11.8

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.95 AU - 3.01 AU

Year: 2696 Days

Day: 15 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,935,891 km

• M1: 146,756 km (0.118 R)
• M2: 529,427 km (0.071 R)
• M3: 973,882 km (0.076 R)
• M4: 1,361,640 km (0.087 R)
• M5: 2,188,916 km (0.05 R)
• M6: 3,173,868 km (0.118 R)
• M7: 3,619,969 km (0.093 R)
• M8: 5,008,686 km (0.046 R)
• M9: 5,464,212 km (0.051 R)
• M10: 6,181,234 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409

Radius: 12.2

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.26 AU - 3.38 AU

Year: 3269 Days

Day: 11.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,935,891 km

• M1: 156,031 km (0.087 R)
• M2: 659,577 km (0.084 R)
• M3: 1,053,169 km (0.082 R)
• M4: 2,332,829 km (0.096 R)
• M5: 5,892,211 km (0.102 R)
• M6: 7,914,027 km (0.115 R)
• M7: 8,625,215 km (0.107 R)
• M8: 9,343,285 km (0.115 R)
• M9: 10,026,947 km (0.075 R)
• M10: 10,860,057 km (0.101 R)
• M11: 11,862,064 km (0.087 R)
• M12: 12,620,974 km (0.085 R)
• M13: 13,682,820 km (0.088 R)
• M14: 14,564,998 km (0.061 R)
• M15: 16,288,964 km (0.044 R)
• M16: 17,015,262 km (0.111 R)
• M17: 19,152,866 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.1

Radius: 9

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.12 AU - 3.74 AU

Year: 4385 Days

Day: 8.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,935,891 km

• M1: 112,946 km (0.106 R)
• M2: 736,171 km (0.065 R)
• M3: 1,223,112 km (0.074 R)
• M4: 1,846,786 km (0.101 R)
• M5: 2,500,828 km (0.096 R)
• M6: 3,074,984 km (0.065 R)
• M7: 4,107,509 km (0.079 R)
• M8: 5,831,475 km (0.074 R)
• M9: 8,082,623 km (0.068 R)
• M10: 8,486,238 km (0.117 R)
• M11: 9,953,046 km (0.116 R)
• M12: 10,636,109 km (0.102 R)
• M13: 10,970,311 km (0.079 R)
• M14: 12,419,017 km (0.113 R)
• M15: 12,706,843 km (0.047 R)
• M16: 14,664,630 km (0.067 R)
• M17: 16,616,284 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.5

Radius: 9.5

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.55 AU - 5.51 AU

Year: 7787 Days

Day: 10.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,935,891 km

• M1: 118,930 km (0.052 R)
• M2: 482,752 km (0.082 R)
• M3: 865,274 km (0.067 R)
• M4: 1,343,090 km (0.034 R)
• M5: 1,974,841 km (0.101 R)
• M6: 2,621,104 km (0.099 R)
• M7: 3,269,461 km (0.093 R)
• M8: 4,854,900 km (0.097 R)
• M9: 5,267,341 km (0.081 R)
• M10: 5,864,536 km (0.1 R)
• M11: 6,611,777 km (0.095 R)
• M12: 7,652,829 km (0.048 R)
• M13: 8,586,918 km (0.113 R)
• M14: 12,323,723 km (0.052 R)
• M15: 14,486,459 km (0.038 R)
• M16: 17,428,601 km (0.098 R)
• M17: 17,978,223 km (0.087 R)
• M18: 19,622,454 km (0.06 R)
• M19: 22,073,764 km (0.064 R)
• M20: 23,207,866 km (0.069 R)
• M21: 25,767,934 km (0.095 R)
• M22: 27,391,370 km (0.093 R)
• M23: 28,040,625 km (0.085 R)
• M24: 28,890,490 km (0.096 R)
• M25: 29,757,560 km (0.118 R)
• M26: 30,246,595 km (0.081 R)
• M27: 33,821,685 km (0.06 R)
• M28: 38,011,772 km (0.101 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 13,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit