🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.3

Radius: 10.3

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.21 AU - 1.41 AU

Year: 1035 Days

Day: 10.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,132,766 km

• M1: 128,953 km (0.094 R)
• M2: 465,100 km (0.037 R)
• M3: 1,125,574 km (0.072 R)
• M4: 1,639,144 km (0.115 R)
• M5: 2,282,265 km (0.114 R)
• M6: 3,099,518 km (0.042 R)
• M7: 6,732,054 km (0.092 R)
• M8: 7,107,544 km (0.061 R)
• M9: 7,722,242 km (0.102 R)
• M10: 8,081,875 km (0.109 R)
• M11: 9,114,549 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448

Radius: 12.4

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.07 AU - 2.25 AU

Year: 2191 Days

Day: 11.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,132,766 km

• M1: 154,385 km (0.083 R)
• M2: 1,119,441 km (0.095 R)
• M3: 2,357,513 km (0.12 R)
• M4: 3,485,331 km (0.119 R)
• M5: 4,457,568 km (0.092 R)
• M6: 6,146,229 km (0.093 R)
• M7: 7,175,761 km (0.111 R)
• M8: 7,618,571 km (0.064 R)
• M9: 8,498,206 km (0.12 R)
• M10: 9,875,554 km (0.103 R)
• M11: 10,849,286 km (0.108 R)
• M12: 11,771,856 km (0.095 R)
• M13: 12,271,962 km (0.067 R)
• M14: 12,826,222 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226

Radius: 13.5

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.37 AU - 2.89 AU

Year: 2944 Days

Day: 11.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,132,766 km

• M1: 168,148 km (0.097 R)
• M2: 616,493 km (0.03 R)
• M3: 1,130,511 km (0.074 R)
• M4: 1,979,180 km (0.111 R)
• M5: 2,526,409 km (0.115 R)
• M6: 3,344,859 km (0.087 R)
• M7: 4,333,701 km (0.08 R)
• M8: 4,907,259 km (0.119 R)
• M9: 9,035,113 km (0.103 R)
• M10: 9,578,602 km (0.086 R)
• M11: 10,109,824 km (0.109 R)
• M12: 11,561,821 km (0.114 R)
• M13: 12,049,959 km (0.109 R)
• M14: 12,947,696 km (0.1 R)
• M15: 13,556,709 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.1

Radius: 11.2

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.42 AU - 5.38 AU

Year: 6371 Days

Day: 5.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,132,766 km

• M1: 139,276 km (0.069 R)
• M2: 827,575 km (0.074 R)
• M3: 1,362,388 km (0.059 R)
• M4: 1,819,858 km (0.088 R)
• M5: 2,643,245 km (0.093 R)
• M6: 3,699,256 km (0.116 R)
• M7: 4,369,305 km (0.058 R)
• M8: 5,272,876 km (0.093 R)
• M9: 6,093,570 km (0.091 R)
• M10: 7,188,477 km (0.101 R)
• M11: 7,547,811 km (0.102 R)
• M12: 8,481,601 km (0.117 R)
• M13: 9,145,666 km (0.09 R)
• M14: 10,247,305 km (0.09 R)
• M15: 10,745,765 km (0.038 R)
• M16: 12,200,305 km (0.099 R)
• M17: 13,386,466 km (0.083 R)
• M18: 15,388,385 km (0.104 R)
• M19: 16,153,578 km (0.084 R)
• M20: 20,756,256 km (0.115 R)
• M21: 22,512,984 km (0.07 R)
• M22: 24,074,935 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573

Radius: 11.4

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.47 AU - 5.49 AU

Year: 6545 Days

Day: 12.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,132,766 km

• M1: 141,968 km (0.12 R)
• M2: 622,327 km (0.115 R)
• M3: 1,232,088 km (0.051 R)
• M4: 1,929,663 km (0.119 R)
• M5: 2,635,765 km (0.084 R)
• M6: 3,775,401 km (0.118 R)
• M7: 4,827,074 km (0.039 R)
• M8: 6,224,468 km (0.065 R)
• M9: 7,105,151 km (0.109 R)
• M10: 7,989,873 km (0.093 R)
• M11: 11,376,918 km (0.118 R)
• M12: 11,971,570 km (0.093 R)
• M13: 14,966,519 km (0.062 R)
• M14: 15,680,849 km (0.11 R)
• M15: 16,417,768 km (0.078 R)
• M16: 17,371,155 km (0.114 R)
• M17: 19,598,219 km (0.089 R)
• M18: 22,468,254 km (0.103 R)
• M19: 24,940,807 km (0.104 R)
• M20: 26,543,001 km (0.11 R)
• M21: 27,063,003 km (0.118 R)
• M22: 28,033,743 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.5

Radius: 13.3

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.02 AU - 5.36 AU

Year: 7011 Days

Day: 12.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,132,766 km

• M1: 165,455 km (0.11 R)
• M2: 664,215 km (0.09 R)
• M3: 1,698,983 km (0.082 R)
• M4: 2,803,614 km (0.113 R)
• M5: 5,546,191 km (0.099 R)
• M6: 9,226,598 km (0.095 R)
• M7: 11,518,886 km (0.119 R)
• M8: 11,943,894 km (0.1 R)
• M9: 13,868,770 km (0.1 R)
• M10: 14,967,716 km (0.106 R)
• M11: 17,063,881 km (0.1 R)
• M12: 17,547,381 km (0.067 R)
• M13: 19,648,334 km (0.088 R)
• M14: 20,256,449 km (0.106 R)
• M15: 25,313,456 km (0.117 R)
• M16: 30,950,303 km (0.108 R)
• M17: 36,796,439 km (0.085 R)

Asteroid Belt

Center: 5.39 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.9

Radius: 3.6

Gravity: 26.61 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.87 AU - 6.29 AU

Year: 10348 Days

Day: 21.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,132,766 km

• M1: 44,730 km (0.119 R)
• M2: 239,656 km (0.046 R)
• M3: 653,593 km (0.117 R)
• M4: 918,681 km (0.084 R)
• M5: 1,297,911 km (0.102 R)
• M6: 2,251,298 km (0.049 R)
• M7: 3,164,743 km (0.105 R)
• M8: 3,548,611 km (0.119 R)
• M9: 3,788,566 km (0.076 R)
• M10: 4,381,422 km (0.116 R)
• M11: 6,249,301 km (0.118 R)
• M12: 6,706,622 km (0.03 R)
• M13: 13,992,038 km (0.092 R)
• M14: 14,589,682 km (0.103 R)
• M15: 15,517,787 km (0.094 R)
• M16: 15,835,683 km (0.053 R)
• M17: 19,772,949 km (0.07 R)
• M18: 21,846,675 km (0.088 R)
• M19: 25,971,986 km (0.095 R)
• M20: 27,331,531 km (0.058 R)
• M21: 29,024,680 km (0.042 R)
• M22: 31,591,929 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631

Radius: 6.7

Gravity: 14.06 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.12 AU - 8.44 AU

Year: 13558 Days

Day: 21.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,132,766 km

• M1: 110,403 km (0.097 R)
• M2: 321,336 km (0.11 R)
• M3: 666,309 km (0.08 R)
• M4: 985,401 km (0.043 R)
• M5: 2,508,457 km (0.11 R)
• M6: 3,493,559 km (0.059 R)
• M7: 4,556,153 km (0.065 R)
• M8: 5,247,445 km (0.067 R)
• M9: 5,856,457 km (0.116 R)
• M10: 6,120,498 km (0.041 R)
• M11: 6,432,110 km (0.025 R)
• M12: 6,877,613 km (0.103 R)
• M13: 8,385,858 km (0.117 R)
• M14: 10,593,025 km (0.068 R)
• M15: 11,681,350 km (0.117 R)
• M16: 12,222,146 km (0.035 R)
• M17: 13,483,406 km (0.054 R)
• M18: 15,038,476 km (0.039 R)
• M19: 15,463,034 km (0.116 R)
• M20: 17,863,631 km (0.077 R)
• M21: 19,234,995 km (0.119 R)
• M22: 21,288,375 km (0.058 R)
• M23: 22,276,469 km (0.118 R)
• M24: 22,643,283 km (0.028 R)
• M25: 23,483,425 km (0.119 R)
• M26: 26,433,944 km (0.073 R)
• M27: 29,402,265 km (0.087 R)
• M28: 30,066,180 km (0.077 R)
• M29: 33,655,781 km (0.036 R)
• M30: 35,366,732 km (0.112 R)
• M31: 41,811,109 km (0.078 R)
• M32: 43,074,164 km (0.052 R)
• M33: 49,928,738 km (0.108 R)
• M34: 52,635,412 km (0.037 R)
• M35: 53,942,299 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 12,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit