🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.9

Radius: 13.1

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.43 AU - 0.61 AU

Year: 254 Days

Day: 8.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,574,851 km

• M1: 163,660 km (0.058 R)
• M2: 613,650 km (0.097 R)
• M3: 1,102,836 km (0.111 R)
• M4: 1,596,808 km (0.114 R)
• M5: 2,269,549 km (0.069 R)
• M6: 2,698,895 km (0.058 R)
• M7: 3,330,198 km (0.087 R)
• M8: 3,833,894 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.6

Radius: 11.6

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.64 AU - 0.92 AU

Year: 467 Days

Day: 9.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,574,851 km

• M1: 144,811 km (0.092 R)
• M2: 524,191 km (0.105 R)
• M3: 985,102 km (0.048 R)
• M4: 1,375,403 km (0.105 R)
• M5: 1,878,500 km (0.079 R)
• M6: 2,652,669 km (0.116 R)
• M7: 3,140,957 km (0.107 R)
• M8: 3,724,987 km (0.053 R)
• M9: 4,219,558 km (0.056 R)
• M10: 4,686,153 km (0.081 R)
• M11: 5,232,934 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.4

Radius: 10.5

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.85 AU - 1.01 AU

Year: 608 Days

Day: 14.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,574,851 km

• M1: 130,599 km (0.119 R)
• M2: 702,512 km (0.081 R)
• M3: 1,032,375 km (0.112 R)
• M4: 1,696,889 km (0.082 R)
• M5: 2,028,996 km (0.045 R)
• M6: 2,816,479 km (0.061 R)
• M7: 3,261,982 km (0.102 R)
• M8: 3,866,955 km (0.103 R)
• M9: 4,419,121 km (0.096 R)
• M10: 4,755,417 km (0.092 R)
• M11: 5,143,324 km (0.106 R)
• M12: 5,681,278 km (0.039 R)
• M13: 6,021,763 km (0.079 R)
• M14: 6,681,789 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.5

Radius: 14.8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.99 AU - 1.21 AU

Year: 782 Days

Day: 5.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,574,851 km

• M1: 190,737 km (0.045 R)
• M2: 682,615 km (0.088 R)
• M3: 1,275,023 km (0.107 R)
• M4: 2,395,212 km (0.119 R)
• M5: 3,407,839 km (0.054 R)
• M6: 4,851,010 km (0.105 R)
• M7: 6,197,391 km (0.07 R)
• M8: 6,731,755 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.3

Radius: 11.9

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.38 AU - 1.7 AU

Year: 1296 Days

Day: 9.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,574,851 km

• M1: 166,652 km (0.08 R)
• M2: 670,049 km (0.072 R)
• M3: 1,390,662 km (0.1 R)
• M4: 1,899,594 km (0.117 R)
• M5: 2,396,857 km (0.091 R)
• M6: 3,224,582 km (0.085 R)
• M7: 4,145,507 km (0.103 R)
• M8: 5,254,625 km (0.048 R)
• M9: 5,789,886 km (0.116 R)
• M10: 6,244,066 km (0.102 R)
• M11: 8,360,875 km (0.104 R)
• M12: 8,824,030 km (0.102 R)
• M13: 10,515,085 km (0.102 R)
• M14: 11,864,158 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.7

Radius: 10.2

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.28 AU - 4.76 AU

Year: 5467 Days

Day: 8.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,574,851 km

• M1: 126,859 km (0.115 R)
• M2: 541,544 km (0.082 R)
• M3: 860,188 km (0.096 R)
• M4: 1,198,129 km (0.093 R)
• M5: 1,928,765 km (0.053 R)
• M6: 2,269,101 km (0.086 R)
• M7: 2,666,133 km (0.116 R)
• M8: 3,561,477 km (0.109 R)
• M9: 7,100,813 km (0.086 R)
• M10: 7,686,189 km (0.069 R)
• M11: 8,128,700 km (0.035 R)
• M12: 9,482,111 km (0.078 R)
• M13: 9,951,699 km (0.052 R)
• M14: 11,367,194 km (0.112 R)
• M15: 12,536,900 km (0.094 R)
• M16: 13,055,107 km (0.1 R)
• M17: 13,735,478 km (0.071 R)
• M18: 14,490,349 km (0.094 R)
• M19: 16,359,425 km (0.041 R)
• M20: 16,751,670 km (0.059 R)
• M21: 18,991,749 km (0.067 R)
• M22: 23,557,326 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.6

Radius: 12.5

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.3 AU - 4.5 AU

Year: 6260 Days

Day: 6.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,574,851 km

• M1: 156,330 km (0.096 R)
• M2: 697,575 km (0.088 R)
• M3: 2,366,040 km (0.096 R)
• M4: 2,853,729 km (0.111 R)
• M5: 4,009,522 km (0.109 R)
• M6: 4,440,214 km (0.057 R)
• M7: 5,276,317 km (0.095 R)
• M8: 5,795,122 km (0.075 R)
• M9: 7,298,132 km (0.107 R)
• M10: 7,749,918 km (0.104 R)
• M11: 8,751,475 km (0.063 R)
• M12: 9,175,585 km (0.087 R)
• M13: 9,837,406 km (0.095 R)
• M14: 10,296,223 km (0.087 R)
• M15: 12,015,851 km (0.102 R)
• M16: 13,919,483 km (0.052 R)
• M17: 15,458,546 km (0.086 R)
• M18: 15,891,632 km (0.117 R)
• M19: 16,782,039 km (0.115 R)
• M20: 17,840,294 km (0.073 R)
• M21: 20,904,358 km (0.053 R)
• M22: 21,664,315 km (0.113 R)
• M23: 22,285,595 km (0.111 R)
• M24: 22,998,429 km (0.042 R)
• M25: 24,386,697 km (0.116 R)
• M26: 28,886,302 km (0.112 R)
• M27: 30,308,379 km (0.053 R)
• M28: 33,807,324 km (0.118 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: 439 - 15,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit