🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.66 AU - 0.74 AU

Year: 214 Days

Day: 17 Hours

Environment

Temp: 208 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,957,365 km

• M1: 42,635 km (0.033 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.58 AU - 0.94 AU

Year: 242 Days

Day: 37.8 Hours

Environment

Temp: 171 °C

Axial Tilt: 44.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,957,365 km

• M1: 225,444 km (0.047 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.73 AU - 0.81 AU

Year: 247 Days

Day: 23.5 Hours

Environment

Temp: 141 °C

Axial Tilt: 77 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.2

Radius: 11.6

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.7 AU - 7.98 AU

Year: 6534 Days

Day: 14.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,957,365 km

• M1: 177,124 km (0.092 R)
• M2: 623,225 km (0.072 R)
• M3: 1,190,201 km (0.117 R)
• M4: 1,633,459 km (0.109 R)
• M5: 4,390,099 km (0.12 R)
• M6: 6,620,454 km (0.096 R)
• M7: 8,929,048 km (0.042 R)
• M8: 11,136,813 km (0.108 R)
• M9: 11,729,670 km (0.077 R)
• M10: 16,486,284 km (0.027 R)
• M11: 17,196,724 km (0.072 R)
• M12: 19,126,537 km (0.107 R)
• M13: 19,844,906 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.8

Radius: 13.7

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 7.28 AU - 9.22 AU

Year: 8655 Days

Day: 5.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,957,365 km

• M1: 170,392 km (0.103 R)
• M2: 977,472 km (0.11 R)
• M3: 2,025,256 km (0.109 R)
• M4: 2,745,420 km (0.067 R)
• M5: 3,287,413 km (0.062 R)
• M6: 3,999,798 km (0.112 R)
• M7: 4,479,708 km (0.054 R)
• M8: 6,319,912 km (0.071 R)
• M9: 7,831,299 km (0.059 R)
• M10: 8,861,131 km (0.115 R)
• M11: 12,106,058 km (0.078 R)
• M12: 13,298,802 km (0.118 R)
• M13: 15,207,970 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.3

Radius: 13.3

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.35 AU - 10.35 AU

Year: 10443 Days

Day: 15 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,957,365 km

• M1: 166,652 km (0.116 R)
• M2: 698,024 km (0.111 R)
• M3: 1,401,732 km (0.095 R)
• M4: 1,934,600 km (0.105 R)
• M5: 5,775,675 km (0.091 R)
• M6: 6,281,615 km (0.052 R)
• M7: 7,060,720 km (0.108 R)
• M8: 9,144,170 km (0.094 R)
• M9: 11,170,922 km (0.037 R)
• M10: 13,264,544 km (0.115 R)
• M11: 15,427,879 km (0.034 R)
• M12: 24,279,734 km (0.084 R)
• M13: 28,390,684 km (0.034 R)
• M14: 28,843,965 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454

Radius: 10.5

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 10.58 AU - 11.5 AU

Year: 13398 Days

Day: 6.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,957,365 km

• M1: 130,599 km (0.102 R)
• M2: 684,859 km (0.093 R)
• M3: 1,759,720 km (0.082 R)
• M4: 2,845,052 km (0.08 R)
• M5: 3,857,082 km (0.027 R)
• M6: 4,475,519 km (0.118 R)
• M7: 5,093,807 km (0.083 R)
• M8: 6,387,380 km (0.076 R)
• M9: 7,377,868 km (0.062 R)
• M10: 8,241,496 km (0.119 R)
• M11: 9,761,560 km (0.103 R)
• M12: 10,117,603 km (0.118 R)
• M13: 11,073,234 km (0.108 R)
• M14: 12,498,752 km (0.114 R)
• M15: 13,598,446 km (0.114 R)
• M16: 16,485,087 km (0.034 R)
• M17: 20,163,998 km (0.043 R)
• M18: 21,247,386 km (0.078 R)
• M19: 26,953,796 km (0.107 R)
• M20: 28,577,083 km (0.119 R)
• M21: 32,465,879 km (0.118 R)
• M22: 33,836,794 km (0.054 R)
• M23: 46,509,828 km (0.088 R)
• M24: 49,435,215 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.4

Radius: 6.5

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 13.26 AU - 15.86 AU

Year: 20292 Days

Day: 16.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,957,365 km

• M1: 86,019 km (0.034 R)
• M2: 319,391 km (0.119 R)
• M3: 527,482 km (0.112 R)
• M4: 1,177,485 km (0.039 R)
• M5: 1,410,858 km (0.106 R)
• M6: 2,267,904 km (0.105 R)
• M7: 4,703,357 km (0.11 R)
• M8: 11,306,906 km (0.045 R)
• M9: 18,922,784 km (0.058 R)
• M10: 19,936,011 km (0.078 R)
• M11: 21,232,426 km (0.071 R)
• M12: 24,171,725 km (0.079 R)
• M13: 24,625,754 km (0.112 R)
• M14: 25,457,070 km (0.109 R)
• M15: 26,594,612 km (0.103 R)
• M16: 33,127,401 km (0.075 R)
• M17: 37,181,354 km (0.061 R)
• M18: 42,731,585 km (0.044 R)
• M19: 43,528,792 km (0.106 R)
• M20: 44,471,258 km (0.118 R)
• M21: 45,979,803 km (0.108 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 13,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit