🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163

Radius: 13

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.43 AU - 0.59 AU

Year: 251 Days

Day: 14.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,633,100 km

• M1: 161,715 km (0.12 R)
• M2: 576,401 km (0.101 R)
• M3: 1,019,809 km (0.102 R)
• M4: 1,492,538 km (0.114 R)
• M5: 2,157,201 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.3

Radius: 11.4

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.4 AU - 0.66 AU

Year: 266 Days

Day: 9.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,633,100 km

• M1: 141,819 km (0.074 R)
• M2: 567,874 km (0.057 R)
• M3: 992,133 km (0.117 R)
• M4: 1,445,415 km (0.077 R)
• M5: 2,036,625 km (0.113 R)
• M6: 2,802,417 km (0.096 R)
• M7: 3,221,740 km (0.036 R)
• M8: 3,605,009 km (0.091 R)
• M9: 4,312,308 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.5

Radius: 13.1

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.61 AU - 0.71 AU

Year: 370 Days

Day: 12 Hours

Environment

Temp: -161 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 43,633,100 km

• M1: 162,912 km (0.1 R)
• M2: 604,076 km (0.115 R)
• M3: 1,024,596 km (0.116 R)
• M4: 1,860,848 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811

Radius: 11.5

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.55 AU - 0.83 AU

Year: 396 Days

Day: 5.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,633,100 km

• M1: 143,016 km (0.066 R)
• M2: 649,255 km (0.047 R)
• M3: 1,130,362 km (0.104 R)
• M4: 1,832,424 km (0.083 R)
• M5: 2,368,583 km (0.09 R)
• M6: 2,869,138 km (0.067 R)
• M7: 3,287,264 km (0.1 R)
• M8: 3,670,833 km (0.034 R)
• M9: 4,220,156 km (0.092 R)
• M10: 4,674,784 km (0.093 R)
• M11: 5,146,466 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220

Radius: 13.8

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.86 AU - 0.96 AU

Year: 599 Days

Day: 14.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,633,100 km

• M1: 171,589 km (0.1 R)
• M2: 608,115 km (0.087 R)
• M3: 1,109,119 km (0.112 R)
• M4: 1,901,838 km (0.106 R)
• M5: 2,484,372 km (0.089 R)
• M6: 3,184,789 km (0.112 R)
• M7: 4,063,976 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.4

Radius: 9.9

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.16 AU - 2.88 AU

Year: 2761 Days

Day: 12.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,633,100 km

• M1: 123,119 km (0.116 R)
• M2: 619,036 km (0.069 R)
• M3: 1,095,804 km (0.104 R)
• M4: 1,555,519 km (0.107 R)
• M5: 1,963,771 km (0.045 R)
• M6: 2,288,698 km (0.106 R)
• M7: 2,695,454 km (0.029 R)
• M8: 3,082,315 km (0.088 R)
• M9: 3,561,925 km (0.118 R)
• M10: 5,231,886 km (0.084 R)
• M11: 5,785,099 km (0.084 R)
• M12: 6,460,534 km (0.082 R)
• M13: 6,949,270 km (0.103 R)
• M14: 8,230,127 km (0.032 R)
• M15: 8,633,144 km (0.081 R)
• M16: 9,847,130 km (0.116 R)
• M17: 10,301,609 km (0.106 R)
• M18: 11,707,978 km (0.103 R)
• M19: 12,218,256 km (0.111 R)
• M20: 12,921,815 km (0.076 R)
• M21: 13,652,152 km (0.115 R)
• M22: 14,749,901 km (0.109 R)
• M23: 16,531,761 km (0.105 R)
• M24: 16,904,709 km (0.026 R)
• M25: 19,202,831 km (0.117 R)
• M26: 20,396,323 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.2

Radius: 13.3

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.12 AU - 5.54 AU

Year: 8494 Days

Day: 13.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,633,100 km

• M1: 165,754 km (0.063 R)
• M2: 886,218 km (0.116 R)
• M3: 1,498,372 km (0.117 R)
• M4: 1,981,573 km (0.09 R)
• M5: 2,513,095 km (0.062 R)
• M6: 3,183,143 km (0.071 R)
• M7: 4,073,849 km (0.114 R)
• M8: 4,912,794 km (0.117 R)
• M9: 5,501,611 km (0.07 R)
• M10: 6,277,276 km (0.069 R)
• M11: 8,957,322 km (0.042 R)
• M12: 10,227,109 km (0.119 R)
• M13: 14,075,664 km (0.112 R)
• M14: 15,723,035 km (0.101 R)
• M15: 17,354,550 km (0.049 R)
• M16: 18,284,151 km (0.099 R)
• M17: 19,021,668 km (0.03 R)
• M18: 23,351,629 km (0.109 R)
• M19: 24,396,122 km (0.103 R)
• M20: 26,765,901 km (0.086 R)
• M21: 28,690,478 km (0.089 R)
• M22: 33,246,481 km (0.061 R)
• M23: 34,791,678 km (0.056 R)
• M24: 36,384,297 km (0.079 R)
• M25: 37,669,342 km (0.11 R)
• M26: 41,706,241 km (0.114 R)
• M27: 43,113,508 km (0.098 R)
• M28: 43,633,061 km (0.093 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 13,902 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit