🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.6

Radius: 13

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.81 AU - 0.81 AU

Year: 471 Days

Day: 9.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,849,776 km

• M1: 161,715 km (0.08 R)
• M2: 641,775 km (0.118 R)
• M3: 1,047,484 km (0.088 R)
• M4: 1,685,370 km (0.106 R)
• M5: 2,198,042 km (0.08 R)
• M6: 2,765,167 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.8

Radius: 9

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.79 AU - 0.91 AU

Year: 506 Days

Day: 11.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 30,849,776 km

• M1: 125,064 km (0.083 R)
• M2: 503,247 km (0.038 R)
• M3: 1,162,076 km (0.054 R)
• M4: 1,923,529 km (0.036 R)
• M5: 3,593,191 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945

Radius: 10

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.94 AU - 1.14 AU

Year: 685 Days

Day: 6.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,849,776 km

• M1: 124,765 km (0.118 R)
• M2: 458,517 km (0.096 R)
• M3: 874,549 km (0.054 R)
• M4: 1,265,299 km (0.051 R)
• M5: 1,755,381 km (0.095 R)
• M6: 2,103,795 km (0.036 R)
• M7: 2,476,593 km (0.099 R)
• M8: 3,132,280 km (0.116 R)
• M9: 3,621,316 km (0.109 R)
• M10: 4,616,740 km (0.119 R)
• M11: 4,962,610 km (0.073 R)
• M12: 5,476,030 km (0.113 R)
• M13: 5,844,190 km (0.108 R)
• M14: 6,480,729 km (0.116 R)
• M15: 6,849,039 km (0.115 R)
• M16: 7,323,265 km (0.087 R)
• M17: 7,989,573 km (0.039 R)
• M18: 8,337,688 km (0.081 R)
• M19: 8,905,112 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.9

Radius: 8.3

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.42 AU - 2.84 AU

Year: 2754 Days

Day: 12.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,849,776 km

• M1: 103,223 km (0.059 R)
• M2: 434,432 km (0.093 R)
• M3: 728,542 km (0.042 R)
• M4: 1,216,979 km (0.063 R)
• M5: 1,515,875 km (0.042 R)
• M6: 2,076,269 km (0.117 R)
• M7: 2,664,637 km (0.117 R)
• M8: 3,061,969 km (0.101 R)
• M9: 3,551,453 km (0.091 R)
• M10: 4,454,426 km (0.109 R)
• M11: 4,860,136 km (0.113 R)
• M12: 5,151,702 km (0.115 R)
• M13: 6,148,921 km (0.107 R)
• M14: 6,517,381 km (0.077 R)
• M15: 8,392,889 km (0.063 R)
• M16: 9,909,961 km (0.052 R)
• M17: 10,979,586 km (0.101 R)
• M18: 13,173,289 km (0.119 R)
• M19: 13,831,071 km (0.061 R)
• M20: 14,100,198 km (0.09 R)
• M21: 15,022,768 km (0.046 R)
• M22: 15,692,218 km (0.051 R)
• M23: 16,182,301 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.3

Radius: 12.4

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.68 AU - 3.06 AU

Year: 3139 Days

Day: 13.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,849,776 km

• M1: 154,684 km (0.114 R)
• M2: 609,163 km (0.118 R)
• M3: 1,193,342 km (0.073 R)
• M4: 1,581,997 km (0.11 R)
• M5: 2,124,888 km (0.117 R)
• M6: 2,564,556 km (0.115 R)
• M7: 3,415,768 km (0.087 R)
• M8: 4,243,194 km (0.064 R)
• M9: 6,179,290 km (0.103 R)
• M10: 6,682,836 km (0.077 R)
• M11: 7,118,016 km (0.064 R)
• M12: 7,505,924 km (0.105 R)
• M13: 8,010,816 km (0.044 R)
• M14: 14,181,280 km (0.057 R)
• M15: 14,745,713 km (0.086 R)
• M16: 16,529,518 km (0.083 R)
• M17: 18,757,030 km (0.084 R)
• M18: 23,728,317 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.8

Radius: 8.8

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.71 AU - 4.11 AU

Year: 4992 Days

Day: 9.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,849,776 km

• M1: 109,655 km (0.081 R)
• M2: 898,634 km (0.057 R)
• M3: 1,307,037 km (0.115 R)
• M4: 1,616,555 km (0.039 R)
• M5: 1,989,652 km (0.077 R)
• M6: 2,553,486 km (0.077 R)
• M7: 3,140,807 km (0.077 R)
• M8: 3,726,034 km (0.115 R)
• M9: 5,802,303 km (0.074 R)
• M10: 6,295,378 km (0.119 R)
• M11: 6,584,700 km (0.112 R)
• M12: 8,017,698 km (0.103 R)
• M13: 9,647,866 km (0.075 R)
• M14: 10,164,128 km (0.109 R)
• M15: 15,555,187 km (0.115 R)
• M16: 17,182,961 km (0.081 R)
• M17: 17,496,518 km (0.084 R)
• M18: 20,773,759 km (0.088 R)
• M19: 23,504,369 km (0.099 R)
• M20: 24,517,894 km (0.108 R)
• M21: 27,476,791 km (0.108 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: 453 - 17,672 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit