🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.6

Radius: 8.8

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.73 AU - 0.83 AU

Year: 459 Days

Day: 11.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,306,257 km

• M1: 109,506 km (0.084 R)
• M2: 455,376 km (0.104 R)
• M3: 810,521 km (0.112 R)
• M4: 1,608,177 km (0.114 R)
• M5: 1,898,846 km (0.084 R)
• M6: 2,484,671 km (0.119 R)
• M7: 2,928,378 km (0.091 R)
• M8: 3,309,254 km (0.041 R)
• M9: 4,078,636 km (0.103 R)
• M10: 4,470,882 km (0.069 R)
• M11: 5,175,189 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.2

Radius: 13.6

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.85 AU - 0.85 AU

Year: 523 Days

Day: 13.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,306,257 km

• M1: 169,195 km (0.112 R)
• M2: 662,120 km (0.1 R)
• M3: 1,491,640 km (0.119 R)
• M4: 2,006,855 km (0.108 R)
• M5: 2,458,342 km (0.057 R)
• M6: 3,023,971 km (0.093 R)
• M7: 3,728,577 km (0.08 R)
• M8: 4,286,727 km (0.096 R)
• M9: 5,245,500 km (0.071 R)
• M10: 6,266,356 km (0.098 R)
• M11: 6,875,069 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.8

Radius: 10.2

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.26 AU - 1.44 AU

Year: 1046 Days

Day: 5.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 14,306,257 km

• M1: 126,859 km (0.064 R)
• M2: 592,258 km (0.103 R)
• M3: 923,019 km (0.071 R)
• M4: 1,561,353 km (0.089 R)
• M5: 2,157,201 km (0.098 R)
• M6: 2,872,429 km (0.106 R)
• M7: 4,147,302 km (0.042 R)
• M8: 5,331,818 km (0.076 R)
• M9: 6,112,419 km (0.117 R)
• M10: 6,565,103 km (0.111 R)
• M11: 7,015,841 km (0.077 R)
• M12: 8,885,515 km (0.115 R)
• M13: 10,901,945 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.6

Radius: 8.2

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.21 AU - 2.01 AU

Year: 1362 Days

Day: 11.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 14,306,257 km

• M1: 102,026 km (0.102 R)
• M2: 363,822 km (0.112 R)
• M3: 923,916 km (0.091 R)
• M4: 1,183,469 km (0.046 R)
• M5: 1,458,579 km (0.071 R)
• M6: 1,958,386 km (0.066 R)
• M7: 2,567,698 km (0.112 R)
• M8: 2,979,391 km (0.096 R)
• M9: 4,072,054 km (0.095 R)
• M10: 4,391,894 km (0.11 R)
• M11: 5,602,739 km (0.106 R)
• M12: 6,320,360 km (0.11 R)
• M13: 6,604,746 km (0.05 R)
• M14: 7,047,406 km (0.097 R)
• M15: 7,379,214 km (0.118 R)
• M16: 7,668,237 km (0.094 R)
• M17: 8,213,073 km (0.036 R)
• M18: 8,494,915 km (0.03 R)
• M19: 8,900,475 km (0.12 R)
• M20: 9,971,147 km (0.039 R)
• M21: 10,292,334 km (0.064 R)
• M22: 10,853,924 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.4

Radius: 11

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.7 AU - 3.28 AU

Year: 3448 Days

Day: 8.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,306,257 km

• M1: 136,882 km (0.115 R)
• M2: 679,324 km (0.045 R)
• M3: 1,191,697 km (0.116 R)
• M4: 3,675,620 km (0.098 R)
• M5: 4,298,844 km (0.098 R)
• M6: 7,127,441 km (0.046 R)
• M7: 8,048,515 km (0.032 R)
• M8: 8,550,715 km (0.109 R)
• M9: 8,914,537 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.4

Radius: 10.6

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.13 AU - 5.15 AU

Year: 6665 Days

Day: 12.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 14,306,257 km

• M1: 131,945 km (0.11 R)
• M2: 487,988 km (0.105 R)
• M3: 958,773 km (0.082 R)
• M4: 1,738,327 km (0.088 R)
• M5: 2,293,635 km (0.109 R)
• M6: 2,785,064 km (0.106 R)
• M7: 3,682,501 km (0.096 R)
• M8: 4,602,827 km (0.101 R)
• M9: 5,617,998 km (0.097 R)
• M10: 8,422,809 km (0.07 R)
• M11: 9,375,897 km (0.101 R)
• M12: 9,821,998 km (0.088 R)
• M13: 10,321,056 km (0.1 R)
• M14: 11,245,571 km (0.116 R)
• M15: 13,075,153 km (0.078 R)
• M16: 15,812,345 km (0.101 R)
• M17: 16,179,459 km (0.045 R)
• M18: 17,705,207 km (0.031 R)
• M19: 18,735,189 km (0.094 R)
• M20: 19,865,400 km (0.09 R)
• M21: 20,293,101 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.7

Radius: 8

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.91 AU - 5.47 AU

Year: 6773 Days

Day: 10.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,306,257 km

• M1: 99,931 km (0.051 R)
• M2: 349,161 km (0.05 R)
• M3: 975,079 km (0.117 R)
• M4: 1,929,214 km (0.116 R)
• M5: 2,594,476 km (0.091 R)
• M6: 3,469,025 km (0.113 R)
• M7: 3,894,033 km (0.083 R)
• M8: 4,766,487 km (0.109 R)
• M9: 5,162,772 km (0.046 R)
• M10: 8,580,186 km (0.089 R)
• M11: 9,135,792 km (0.105 R)
• M12: 9,454,735 km (0.11 R)
• M13: 10,525,407 km (0.092 R)
• M14: 11,600,716 km (0.084 R)
• M15: 12,512,216 km (0.09 R)
• M16: 13,593,959 km (0.038 R)
• M17: 14,094,214 km (0.099 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: 514 - 15,140 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit