🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.3

Radius: 14.9

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.12 AU - 1.32 AU

Year: 899 Days

Day: 11.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 28,632,589 km

• M1: 198,217 km (0.096 R)
• M2: 851,661 km (0.089 R)
• M3: 1,447,060 km (0.05 R)
• M4: 2,475,994 km (0.086 R)
• M5: 4,105,115 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.3

Radius: 14.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.34 AU - 1.42 AU

Year: 1081 Days

Day: 9.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,632,589 km

• M1: 183,407 km (0.064 R)
• M2: 719,416 km (0.03 R)
• M3: 1,660,088 km (0.088 R)
• M4: 2,365,741 km (0.107 R)
• M5: 3,266,470 km (0.117 R)
• M6: 3,831,800 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.2

Radius: 14.3

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.28 AU - 1.58 AU

Year: 1140 Days

Day: 7.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,632,589 km

• M1: 177,872 km (0.09 R)
• M2: 624,721 km (0.063 R)
• M3: 1,140,385 km (0.108 R)
• M4: 1,638,246 km (0.05 R)
• M5: 2,155,257 km (0.048 R)
• M6: 3,796,196 km (0.116 R)
• M7: 4,717,718 km (0.109 R)
• M8: 6,059,163 km (0.119 R)
• M9: 7,138,212 km (0.116 R)
• M10: 8,144,407 km (0.064 R)
• M11: 8,618,333 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.2

Radius: 8.8

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.94 AU - 2.16 AU

Year: 1957 Days

Day: 14.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,632,589 km

• M1: 109,506 km (0.094 R)
• M2: 442,062 km (0.112 R)
• M3: 869,014 km (0.09 R)
• M4: 1,271,881 km (0.086 R)
• M5: 1,685,220 km (0.083 R)
• M6: 2,046,648 km (0.031 R)
• M7: 2,320,263 km (0.075 R)
• M8: 2,812,440 km (0.09 R)
• M9: 3,421,154 km (0.051 R)
• M10: 3,791,857 km (0.079 R)
• M11: 4,634,392 km (0.065 R)
• M12: 5,505,950 km (0.088 R)
• M13: 5,968,955 km (0.1 R)
• M14: 6,382,743 km (0.107 R)
• M15: 6,867,589 km (0.114 R)
• M16: 7,159,455 km (0.119 R)
• M17: 7,515,199 km (0.053 R)
• M18: 7,969,079 km (0.046 R)
• M19: 8,261,842 km (0.088 R)
• M20: 9,769,339 km (0.034 R)
• M21: 10,207,212 km (0.072 R)
• M22: 11,787,714 km (0.12 R)
• M23: 12,675,727 km (0.119 R)
• M24: 13,035,061 km (0.074 R)
• M25: 13,442,416 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.2

Radius: 12.6

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.89 AU - 2.27 AU

Year: 2000 Days

Day: 8.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,632,589 km

• M1: 156,629 km (0.065 R)
• M2: 658,979 km (0.089 R)
• M3: 1,197,381 km (0.114 R)
• M4: 1,931,757 km (0.087 R)
• M5: 2,706,076 km (0.098 R)
• M6: 3,428,484 km (0.084 R)
• M7: 3,978,855 km (0.059 R)
• M8: 4,959,768 km (0.073 R)
• M9: 5,352,163 km (0.115 R)
• M10: 7,697,409 km (0.09 R)
• M11: 8,944,756 km (0.109 R)
• M12: 9,634,552 km (0.045 R)
• M13: 10,546,500 km (0.054 R)
• M14: 11,837,231 km (0.063 R)
• M15: 12,499,800 km (0.103 R)
• M16: 12,926,453 km (0.093 R)
• M17: 14,730,902 km (0.106 R)
• M18: 15,497,891 km (0.051 R)
• M19: 17,638,038 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.2

Radius: 11.9

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.27 AU - 4.23 AU

Year: 4843 Days

Day: 15 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,632,589 km

• M1: 152,739 km (0.12 R)
• M2: 728,242 km (0.103 R)
• M3: 1,534,276 km (0.082 R)
• M4: 2,120,101 km (0.117 R)
• M5: 2,801,071 km (0.081 R)
• M6: 3,784,976 km (0.064 R)
• M7: 4,552,562 km (0.096 R)
• M8: 5,447,756 km (0.09 R)
• M9: 8,232,670 km (0.102 R)
• M10: 9,793,425 km (0.098 R)
• M11: 10,437,144 km (0.109 R)
• M12: 13,640,035 km (0.112 R)
• M13: 23,292,388 km (0.114 R)
• M14: 24,149,584 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.1

Radius: 8

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.11 AU - 8.15 AU

Year: 15458 Days

Day: 23.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,632,589 km

• M1: 156,629 km (0.088 R)
• M2: 680,072 km (0.106 R)
• M3: 1,060,948 km (0.094 R)
• M4: 1,453,044 km (0.109 R)
• M5: 2,415,856 km (0.052 R)
• M6: 2,665,086 km (0.03 R)
• M7: 3,294,594 km (0.045 R)
• M8: 3,906,748 km (0.051 R)
• M9: 8,992,328 km (0.076 R)
• M10: 9,886,325 km (0.108 R)
• M11: 15,039,672 km (0.085 R)
• M12: 15,774,198 km (0.106 R)
• M13: 19,280,024 km (0.083 R)
• M14: 22,755,482 km (0.11 R)
• M15: 23,198,740 km (0.074 R)
• M16: 23,798,628 km (0.106 R)
• M17: 24,640,415 km (0.109 R)
• M18: 25,980,064 km (0.081 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 17,531 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit