🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.9

Radius: 10.2

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.49 AU - 0.81 AU

Year: 349 Days

Day: 12.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,570,011 km

• M1: 127,158 km (0.041 R)
• M2: 518,357 km (0.073 R)
• M3: 863,629 km (0.085 R)
• M4: 1,362,388 km (0.115 R)
• M5: 1,786,647 km (0.087 R)
• M6: 2,608,538 km (0.11 R)
• M7: 3,094,731 km (0.114 R)
• M8: 3,521,833 km (0.083 R)
• M9: 4,039,591 km (0.04 R)
• M10: 5,059,849 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.4

Radius: 8.7

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.32 AU - 1.38 AU

Year: 1046 Days

Day: 13.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,570,011 km

• M1: 108,159 km (0.103 R)
• M2: 380,577 km (0.084 R)
• M3: 664,514 km (0.036 R)
• M4: 982,260 km (0.102 R)
• M5: 1,352,664 km (0.08 R)
• M6: 1,663,828 km (0.079 R)
• M7: 2,826,951 km (0.071 R)
• M8: 3,108,345 km (0.107 R)
• M9: 3,490,118 km (0.088 R)
• M10: 4,007,428 km (0.102 R)
• M11: 4,428,097 km (0.102 R)
• M12: 5,087,824 km (0.03 R)
• M13: 6,147,575 km (0.101 R)
• M14: 6,580,661 km (0.12 R)
• M15: 7,012,101 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.7

Radius: 10.7

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.23 AU - 5.15 AU

Year: 6773 Days

Day: 7.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,570,011 km

• M1: 133,142 km (0.11 R)
• M2: 488,587 km (0.104 R)
• M3: 860,936 km (0.113 R)
• M4: 1,490,144 km (0.092 R)
• M5: 2,142,989 km (0.115 R)
• M6: 2,492,001 km (0.111 R)
• M7: 3,306,861 km (0.064 R)
• M8: 3,729,924 km (0.062 R)
• M9: 4,524,737 km (0.049 R)
• M10: 5,641,934 km (0.107 R)
• M11: 7,258,489 km (0.092 R)
• M12: 7,937,813 km (0.076 R)
• M13: 9,249,786 km (0.105 R)
• M14: 17,838,050 km (0.046 R)
• M15: 21,260,849 km (0.096 R)
• M16: 22,414,399 km (0.111 R)
• M17: 25,352,650 km (0.044 R)
• M18: 26,038,856 km (0.112 R)
• M19: 26,561,551 km (0.109 R)
• M20: 29,468,686 km (0.097 R)
• M21: 35,055,269 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.3

Radius: 9.4

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.12 AU - 5.98 AU

Year: 7568 Days

Day: 12.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,570,011 km

• M1: 117,434 km (0.079 R)
• M2: 422,315 km (0.11 R)
• M3: 1,526,048 km (0.104 R)
• M4: 2,318,617 km (0.11 R)
• M5: 2,637,261 km (0.057 R)
• M6: 3,340,371 km (0.069 R)
• M7: 3,748,923 km (0.105 R)
• M8: 4,637,684 km (0.113 R)
• M9: 5,024,095 km (0.109 R)
• M10: 8,935,182 km (0.116 R)
• M11: 10,360,101 km (0.033 R)
• M12: 10,815,627 km (0.077 R)
• M13: 16,541,635 km (0.043 R)
• M14: 21,969,943 km (0.107 R)
• M15: 26,090,317 km (0.062 R)
• M16: 26,650,861 km (0.061 R)
• M17: 27,124,039 km (0.105 R)
• M18: 34,912,403 km (0.103 R)
• M19: 38,766,643 km (0.082 R)
• M20: 43,415,097 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.5

Radius: 6.5

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.15 AU - 7.73 AU

Year: 10898 Days

Day: 15.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,570,011 km

• M1: 80,783 km (0.06 R)
• M2: 352,303 km (0.045 R)
• M3: 611,107 km (0.113 R)
• M4: 896,091 km (0.083 R)
• M5: 1,126,921 km (0.086 R)
• M6: 1,628,822 km (0.067 R)
• M7: 3,694,319 km (0.039 R)
• M8: 3,987,830 km (0.081 R)
• M9: 4,677,327 km (0.099 R)
• M10: 5,631,761 km (0.109 R)
• M11: 7,604,359 km (0.084 R)
• M12: 8,533,661 km (0.067 R)
• M13: 8,917,230 km (0.118 R)
• M14: 9,627,221 km (0.036 R)
• M15: 13,126,166 km (0.031 R)
• M16: 14,942,733 km (0.085 R)
• M17: 16,199,804 km (0.055 R)
• M18: 16,721,751 km (0.07 R)
• M19: 18,637,501 km (0.066 R)
• M20: 21,309,319 km (0.059 R)
• M21: 22,174,144 km (0.086 R)
• M22: 25,254,664 km (0.081 R)
• M23: 25,868,015 km (0.099 R)
• M24: 26,133,850 km (0.107 R)
• M25: 26,580,849 km (0.106 R)
• M26: 26,942,277 km (0.074 R)
• M27: 27,582,556 km (0.113 R)
• M28: 32,146,638 km (0.071 R)
• M29: 32,866,802 km (0.104 R)
• M30: 34,446,256 km (0.084 R)
• M31: 37,755,511 km (0.072 R)

Asteroid Belt

Center: 6.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.9

Radius: 4.3

Gravity: 48.51 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.76 AU - 7.52 AU

Year: 12723 Days

Day: 15.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,570,011 km

• M1: 53,706 km (0.084 R)
• M2: 201,508 km (0.087 R)
• M3: 418,276 km (0.055 R)
• M4: 882,777 km (0.039 R)
• M5: 1,122,283 km (0.098 R)
• M6: 2,031,689 km (0.09 R)
• M7: 2,224,221 km (0.034 R)
• M8: 2,428,871 km (0.097 R)
• M9: 2,805,708 km (0.119 R)
• M10: 3,194,812 km (0.06 R)
• M11: 3,429,082 km (0.102 R)
• M12: 3,702,547 km (0.062 R)
• M13: 4,514,116 km (0.112 R)
• M14: 4,676,579 km (0.102 R)
• M15: 7,158,707 km (0.073 R)
• M16: 7,929,136 km (0.081 R)
• M17: 10,684,130 km (0.06 R)
• M18: 11,445,883 km (0.062 R)
• M19: 13,011,574 km (0.1 R)
• M20: 14,154,352 km (0.108 R)
• M21: 18,062,746 km (0.048 R)
• M22: 18,638,399 km (0.078 R)
• M23: 18,972,750 km (0.103 R)
• M24: 31,196,990 km (0.106 R)
• M25: 31,905,635 km (0.091 R)
• M26: 35,100,896 km (0.105 R)
• M27: 35,996,240 km (0.093 R)
• M28: 40,842,313 km (0.112 R)
• M29: 45,348,949 km (0.113 R)
• M30: 46,716,872 km (0.109 R)
• M31: 48,899,056 km (0.103 R)
• M32: 51,148,110 km (0.092 R)
• M33: 54,649,598 km (0.052 R)
• M34: 58,664,207 km (0.114 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: 389 - 18,568 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit