🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.4

Radius: 8.5

Gravity: 13.02 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.61 AU - 0.81 AU

Year: 380 Days

Day: 14.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,466,589 km

• M1: 105,766 km (0.12 R)
• M2: 410,497 km (0.113 R)
• M3: 1,614,311 km (0.117 R)
• M4: 2,000,124 km (0.072 R)
• M5: 2,543,613 km (0.103 R)
• M6: 3,263,328 km (0.105 R)
• M7: 3,936,967 km (0.102 R)
• M8: 4,293,010 km (0.073 R)
• M9: 4,913,542 km (0.07 R)
• M10: 5,245,500 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194

Radius: 9.5

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.63 AU - 0.95 AU

Year: 446 Days

Day: 14 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,466,589 km

• M1: 118,182 km (0.117 R)
• M2: 421,567 km (0.111 R)
• M3: 796,758 km (0.083 R)
• M4: 1,102,237 km (0.047 R)
• M5: 1,413,999 km (0.114 R)
• M6: 1,733,091 km (0.096 R)
• M7: 2,160,642 km (0.099 R)
• M8: 2,511,898 km (0.043 R)
• M9: 2,966,825 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.1

Radius: 10.2

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.12 AU - 1.22 AU

Year: 805 Days

Day: 6.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 174.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,466,589 km

• M1: 129,402 km (0.102 R)
• M2: 462,257 km (0.115 R)
• M3: 880,234 km (0.065 R)
• M4: 1,341,444 km (0.115 R)
• M5: 1,720,525 km (0.101 R)
• M6: 2,048,892 km (0.059 R)
• M7: 2,499,182 km (0.108 R)
• M8: 2,949,771 km (0.082 R)
• M9: 3,298,334 km (0.096 R)
• M10: 3,888,797 km (0.116 R)
• M11: 4,309,316 km (0.069 R)
• M12: 4,724,450 km (0.055 R)
• M13: 5,818,310 km (0.077 R)
• M14: 6,370,177 km (0.107 R)
• M15: 6,863,999 km (0.104 R)
• M16: 8,185,098 km (0.104 R)
• M17: 9,043,939 km (0.094 R)
• M18: 9,610,466 km (0.112 R)
• M19: 9,991,343 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.2

Radius: 8.5

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.01 AU - 1.41 AU

Year: 846 Days

Day: 8.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,466,589 km

• M1: 105,766 km (0.078 R)
• M2: 390,750 km (0.069 R)
• M3: 728,542 km (0.068 R)
• M4: 1,000,511 km (0.043 R)
• M5: 1,362,687 km (0.091 R)
• M6: 1,744,910 km (0.105 R)
• M7: 2,829,195 km (0.036 R)
• M8: 3,138,115 km (0.115 R)
• M9: 3,469,623 km (0.09 R)
• M10: 4,355,542 km (0.07 R)
• M11: 4,687,649 km (0.118 R)
• M12: 5,583,292 km (0.055 R)
• M13: 5,937,539 km (0.116 R)
• M14: 6,306,897 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.4

Radius: 11.1

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.47 AU - 2.41 AU

Year: 1718 Days

Day: 8.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,466,589 km

• M1: 140,772 km (0.11 R)
• M2: 641,625 km (0.09 R)
• M3: 996,322 km (0.088 R)
• M4: 1,745,059 km (0.1 R)
• M5: 2,220,032 km (0.1 R)
• M6: 2,696,801 km (0.057 R)
• M7: 3,102,361 km (0.089 R)
• M8: 3,548,761 km (0.059 R)
• M9: 4,148,349 km (0.065 R)
• M10: 5,460,023 km (0.037 R)
• M11: 6,384,688 km (0.048 R)
• M12: 7,057,130 km (0.114 R)
• M13: 7,466,131 km (0.1 R)
• M14: 9,295,712 km (0.086 R)
• M15: 9,721,318 km (0.117 R)
• M16: 10,263,012 km (0.108 R)
• M17: 11,743,433 km (0.043 R)
• M18: 12,202,399 km (0.118 R)
• M19: 13,115,844 km (0.037 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.4

Radius: 7.1

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.13 AU - 7.05 AU

Year: 9556 Days

Day: 17.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,466,589 km

• M1: 88,412 km (0.089 R)
• M2: 478,564 km (0.095 R)
• M3: 814,560 km (0.106 R)
• M4: 1,302,848 km (0.113 R)
• M5: 2,374,567 km (0.048 R)
• M6: 2,830,691 km (0.03 R)
• M7: 3,187,931 km (0.083 R)
• M8: 5,931,107 km (0.111 R)
• M9: 6,588,739 km (0.102 R)
• M10: 8,853,651 km (0.042 R)
• M11: 11,802,674 km (0.082 R)
• M12: 21,152,092 km (0.095 R)
• M13: 23,009,648 km (0.061 R)
• M14: 25,061,084 km (0.065 R)
• M15: 25,414,434 km (0.083 R)
• M16: 28,171,673 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 10,992 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit