🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.1

Radius: 14.1

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.87 AU - 1.11 AU

Year: 646 Days

Day: 10.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,929,842 km

• M1: 175,329 km (0.028 R)
• M2: 782,247 km (0.065 R)
• M3: 1,307,785 km (0.031 R)
• M4: 1,852,919 km (0.098 R)
• M5: 2,355,718 km (0.098 R)
• M6: 2,856,272 km (0.098 R)
• M7: 3,881,167 km (0.096 R)
• M8: 4,672,989 km (0.097 R)
• M9: 5,769,391 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.3

Radius: 13

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.81 AU - 1.33 AU

Year: 726 Days

Day: 6.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,929,842 km

• M1: 161,715 km (0.042 R)
• M2: 996,621 km (0.052 R)
• M3: 1,452,296 km (0.072 R)
• M4: 2,166,476 km (0.089 R)
• M5: 2,775,639 km (0.074 R)
• M6: 3,285,468 km (0.116 R)
• M7: 3,935,471 km (0.115 R)
• M8: 4,788,329 km (0.043 R)
• M9: 5,526,594 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.3

Radius: 8.6

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.21 AU - 1.89 AU

Year: 1266 Days

Day: 8 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,929,842 km

• M1: 106,962 km (0.112 R)
• M2: 424,708 km (0.058 R)
• M3: 827,127 km (0.073 R)
• M4: 1,203,216 km (0.09 R)
• M5: 1,548,039 km (0.107 R)
• M6: 2,440,240 km (0.081 R)
• M7: 2,721,933 km (0.097 R)
• M8: 3,436,413 km (0.092 R)
• M9: 3,715,712 km (0.113 R)
• M10: 4,370,801 km (0.103 R)
• M11: 5,026,189 km (0.112 R)
• M12: 6,269,198 km (0.115 R)
• M13: 6,620,903 km (0.081 R)
• M14: 7,008,959 km (0.051 R)
• M15: 7,339,720 km (0.1 R)
• M16: 8,316,744 km (0.111 R)
• M17: 8,607,413 km (0.091 R)
• M18: 9,014,768 km (0.093 R)
• M19: 9,349,867 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.1

Radius: 12.8

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.43 AU - 4.03 AU

Year: 4726 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,929,842 km

• M1: 160,818 km (0.063 R)
• M2: 629,059 km (0.117 R)
• M3: 1,166,115 km (0.105 R)
• M4: 1,611,019 km (0.053 R)
• M5: 2,223,174 km (0.117 R)
• M6: 2,938,252 km (0.096 R)
• M7: 3,430,728 km (0.079 R)
• M8: 5,394,948 km (0.089 R)
• M9: 6,354,918 km (0.064 R)
• M10: 8,182,106 km (0.062 R)
• M11: 11,649,635 km (0.049 R)
• M12: 12,671,688 km (0.087 R)
• M13: 14,315,768 km (0.113 R)
• M14: 16,670,588 km (0.097 R)
• M15: 17,365,171 km (0.047 R)
• M16: 18,869,527 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997

Radius: 14.8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.46 AU - 4 AU

Year: 4726 Days

Day: 11.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,929,842 km

• M1: 184,005 km (0.11 R)
• M2: 702,362 km (0.084 R)
• M3: 1,169,855 km (0.09 R)
• M4: 2,039,767 km (0.109 R)
• M5: 3,876,829 km (0.067 R)
• M6: 5,035,614 km (0.12 R)
• M7: 5,606,928 km (0.12 R)
• M8: 6,479,832 km (0.091 R)
• M9: 7,441,447 km (0.094 R)
• M10: 8,032,658 km (0.055 R)
• M11: 10,488,905 km (0.108 R)
• M12: 10,950,265 km (0.079 R)
• M13: 14,176,792 km (0.09 R)
• M14: 16,589,207 km (0.118 R)
• M15: 17,408,255 km (0.056 R)
• M16: 18,056,463 km (0.116 R)
• M17: 18,788,146 km (0.09 R)
• M18: 19,817,679 km (0.066 R)
• M19: 22,366,078 km (0.072 R)
• M20: 23,522,470 km (0.102 R)
• M21: 29,543,635 km (0.072 R)
• M22: 31,313,976 km (0.118 R)
• M23: 32,957,159 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.9

Radius: 7.8

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.07 AU - 6.21 AU

Year: 9981 Days

Day: 21.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,929,842 km

• M1: 96,939 km (0.099 R)
• M2: 401,521 km (0.069 R)
• M3: 880,234 km (0.063 R)
• M4: 2,198,042 km (0.084 R)
• M5: 3,700,004 km (0.059 R)
• M6: 4,664,611 km (0.106 R)
• M7: 5,020,804 km (0.091 R)
• M8: 6,296,874 km (0.025 R)
• M9: 6,732,353 km (0.102 R)
• M10: 11,901,707 km (0.033 R)
• M11: 24,271,207 km (0.114 R)
• M12: 24,515,351 km (0.118 R)
• M13: 26,787,294 km (0.091 R)
• M14: 33,224,341 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 19,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit