🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.5

Radius: 8.1

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.69 AU - 0.87 AU

Year: 467 Days

Day: 11.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 16,594,487 km

• M1: 100,679 km (0.088 R)
• M2: 377,286 km (0.073 R)
• M3: 781,948 km (0.086 R)
• M4: 1,271,432 km (0.1 R)
• M5: 1,859,502 km (0.111 R)
• M6: 2,503,221 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.4

Radius: 12.6

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.76 AU - 1.06 AU

Year: 589 Days

Day: 14.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,594,487 km

• M1: 157,377 km (0.076 R)
• M2: 562,787 km (0.107 R)
• M3: 1,024,446 km (0.076 R)
• M4: 1,703,770 km (0.1 R)
• M5: 2,236,488 km (0.093 R)
• M6: 2,707,721 km (0.081 R)
• M7: 3,200,497 km (0.073 R)
• M8: 3,777,945 km (0.12 R)
• M9: 4,410,295 km (0.111 R)
• M10: 4,855,498 km (0.119 R)
• M11: 5,539,011 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.1

Radius: 14.5

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.25 AU - 1.61 AU

Year: 1160 Days

Day: 11.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,594,487 km

• M1: 180,415 km (0.098 R)
• M2: 706,551 km (0.081 R)
• M3: 1,260,362 km (0.103 R)
• M4: 1,794,875 km (0.067 R)
• M5: 2,310,539 km (0.097 R)
• M6: 2,900,852 km (0.102 R)
• M7: 3,422,799 km (0.108 R)
• M8: 3,915,575 km (0.086 R)
• M9: 4,710,089 km (0.105 R)
• M10: 5,708,056 km (0.084 R)
• M11: 6,320,959 km (0.11 R)
• M12: 6,820,317 km (0.099 R)
• M13: 7,511,459 km (0.113 R)
• M14: 9,061,293 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.8

Radius: 8.9

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.57 AU - 3.09 AU

Year: 3229 Days

Day: 11.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 16,594,487 km

• M1: 110,702 km (0.094 R)
• M2: 702,212 km (0.109 R)
• M3: 1,131,110 km (0.075 R)
• M4: 1,765,255 km (0.062 R)
• M5: 2,283,761 km (0.065 R)
• M6: 2,587,295 km (0.105 R)
• M7: 3,389,738 km (0.079 R)
• M8: 4,104,816 km (0.086 R)
• M9: 4,674,485 km (0.112 R)
• M10: 5,322,094 km (0.111 R)
• M11: 6,028,046 km (0.092 R)
• M12: 6,315,723 km (0.086 R)
• M13: 6,918,752 km (0.081 R)
• M14: 8,702,856 km (0.061 R)
• M15: 10,607,387 km (0.08 R)
• M16: 11,415,514 km (0.072 R)
• M17: 11,723,387 km (0.047 R)
• M18: 14,036,619 km (0.115 R)
• M19: 15,062,710 km (0.096 R)
• M20: 15,701,942 km (0.034 R)
• M21: 16,582,176 km (0.069 R)
• M22: 17,669,752 km (0.034 R)
• M23: 18,561,356 km (0.114 R)
• M24: 18,926,375 km (0.087 R)
• M25: 19,859,716 km (0.096 R)
• M26: 20,563,424 km (0.117 R)
• M27: 21,019,847 km (0.091 R)
• M28: 21,483,002 km (0.039 R)
• M29: 22,705,366 km (0.097 R)
• M30: 23,333,528 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.3

Radius: 8.5

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.07 AU - 3.23 AU

Year: 3792 Days

Day: 11.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,594,487 km

• M1: 110,254 km (0.117 R)
• M2: 434,881 km (0.117 R)
• M3: 726,447 km (0.09 R)
• M4: 1,010,534 km (0.09 R)
• M5: 1,504,655 km (0.117 R)
• M6: 1,939,387 km (0.102 R)
• M7: 2,395,810 km (0.083 R)
• M8: 3,390,037 km (0.118 R)
• M9: 5,377,146 km (0.113 R)
• M10: 7,635,924 km (0.11 R)
• M11: 7,935,868 km (0.12 R)
• M12: 9,214,780 km (0.082 R)
• M13: 10,667,076 km (0.07 R)
• M14: 11,169,127 km (0.106 R)
• M15: 13,821,646 km (0.12 R)
• M16: 16,588,609 km (0.071 R)
• M17: 19,704,732 km (0.077 R)
• M18: 22,639,992 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.3

Radius: 9

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.6 AU - 3.86 AU

Year: 3937 Days

Day: 9.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 16,594,487 km

• M1: 111,899 km (0.095 R)
• M2: 484,996 km (0.1 R)
• M3: 937,380 km (0.036 R)
• M4: 1,237,174 km (0.067 R)
• M5: 1,847,085 km (0.05 R)
• M6: 2,186,223 km (0.094 R)
• M7: 2,613,624 km (0.104 R)
• M8: 3,167,137 km (0.115 R)
• M9: 4,003,389 km (0.082 R)
• M10: 4,372,147 km (0.107 R)
• M11: 5,669,460 km (0.034 R)
• M12: 6,277,276 km (0.081 R)
• M13: 7,687,984 km (0.113 R)
• M14: 8,020,690 km (0.118 R)
• M15: 9,299,004 km (0.102 R)
• M16: 10,144,082 km (0.064 R)
• M17: 10,749,056 km (0.083 R)
• M18: 14,641,443 km (0.119 R)
• M19: 15,944,141 km (0.099 R)
• M20: 16,431,531 km (0.066 R)
• M21: 16,817,493 km (0.09 R)
• M22: 17,779,857 km (0.086 R)
• M23: 18,362,989 km (0.071 R)
• M24: 18,778,722 km (0.062 R)
• M25: 19,200,588 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.6

Radius: 12.3

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.95 AU - 4.41 AU

Year: 5796 Days

Day: 11.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,594,487 km

• M1: 153,787 km (0.027 R)
• M2: 537,655 km (0.107 R)
• M3: 1,397,394 km (0.102 R)
• M4: 2,028,697 km (0.105 R)
• M5: 3,134,225 km (0.078 R)
• M6: 5,391,358 km (0.088 R)
• M7: 6,522,766 km (0.108 R)
• M8: 7,370,388 km (0.1 R)
• M9: 8,539,495 km (0.035 R)
• M10: 9,967,706 km (0.119 R)
• M11: 14,654,009 km (0.104 R)
• M12: 15,817,880 km (0.074 R)
• M13: 16,349,102 km (0.102 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 17,093 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit