🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.3

Radius: 11.8

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.64 AU - 0.72 AU

Year: 374 Days

Day: 14.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,665,000 km

• M1: 146,905 km (0.117 R)
• M2: 659,128 km (0.084 R)
• M3: 1,142,180 km (0.037 R)
• M4: 1,569,132 km (0.084 R)
• M5: 2,368,433 km (0.103 R)
• M6: 4,028,371 km (0.108 R)
• M7: 4,442,907 km (0.096 R)
• M8: 5,606,180 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.8

Radius: 10

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.99 AU - 1.05 AU

Year: 687 Days

Day: 7.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,665,000 km

• M1: 124,316 km (0.102 R)
• M2: 468,541 km (0.096 R)
• M3: 849,118 km (0.08 R)
• M4: 1,305,391 km (0.069 R)
• M5: 1,707,360 km (0.084 R)
• M6: 2,107,834 km (0.045 R)
• M7: 2,549,597 km (0.093 R)
• M8: 2,889,333 km (0.087 R)
• M9: 3,209,922 km (0.072 R)
• M10: 3,839,280 km (0.052 R)
• M11: 4,533,264 km (0.105 R)
• M12: 5,449,102 km (0.11 R)
• M13: 6,463,825 km (0.096 R)
• M14: 7,293,345 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769

Radius: 12

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.05 AU - 1.61 AU

Year: 1023 Days

Day: 10.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,665,000 km

• M1: 149,448 km (0.066 R)
• M2: 582,833 km (0.056 R)
• M3: 1,039,855 km (0.104 R)
• M4: 1,429,108 km (0.11 R)
• M5: 1,888,823 km (0.084 R)
• M6: 2,311,736 km (0.092 R)
• M7: 2,887,837 km (0.116 R)
• M8: 3,323,765 km (0.06 R)
• M9: 3,710,326 km (0.074 R)
• M10: 4,960,366 km (0.106 R)
• M11: 5,589,724 km (0.109 R)
• M12: 5,988,104 km (0.111 R)
• M13: 6,405,631 km (0.095 R)
• M14: 7,104,403 km (0.062 R)
• M15: 7,879,320 km (0.116 R)
• M16: 9,189,348 km (0.08 R)
• M17: 10,831,185 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.1

Radius: 12.5

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.24 AU - 1.44 AU

Year: 1034 Days

Day: 12.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,665,000 km

• M1: 155,432 km (0.102 R)
• M2: 741,557 km (0.117 R)
• M3: 1,218,774 km (0.102 R)
• M4: 1,712,447 km (0.115 R)
• M5: 2,138,502 km (0.111 R)
• M6: 3,009,909 km (0.067 R)
• M7: 3,448,381 km (0.079 R)
• M8: 3,929,487 km (0.054 R)
• M9: 4,629,157 km (0.117 R)
• M10: 5,027,984 km (0.029 R)
• M11: 5,957,885 km (0.116 R)
• M12: 6,654,412 km (0.117 R)
• M13: 7,625,303 km (0.11 R)
• M14: 8,210,081 km (0.098 R)
• M15: 9,045,585 km (0.118 R)

Asteroid Belt

Center: 2.12 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199

Radius: 9.3

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.26 AU - 3.54 AU

Year: 3293 Days

Day: 9.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,665,000 km

• M1: 115,639 km (0.101 R)
• M2: 732,581 km (0.032 R)
• M3: 1,343,838 km (0.045 R)
• M4: 2,683,935 km (0.052 R)
• M5: 3,108,045 km (0.088 R)
• M6: 3,459,152 km (0.108 R)
• M7: 4,128,303 km (0.099 R)
• M8: 5,357,549 km (0.076 R)
• M9: 6,632,870 km (0.09 R)
• M10: 7,054,886 km (0.07 R)
• M11: 10,706,869 km (0.104 R)
• M12: 11,929,233 km (0.077 R)
• M13: 12,356,635 km (0.102 R)
• M14: 14,693,054 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.9

Radius: 11.4

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.14 AU - 3.68 AU

Year: 4199 Days

Day: 8.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,665,000 km

• M1: 142,268 km (0.119 R)
• M2: 499,657 km (0.033 R)
• M3: 866,770 km (0.116 R)
• M4: 1,984,565 km (0.093 R)
• M5: 2,365,142 km (0.096 R)
• M6: 3,622,064 km (0.061 R)
• M7: 4,583,230 km (0.085 R)
• M8: 5,208,100 km (0.097 R)
• M9: 5,810,381 km (0.092 R)
• M10: 10,065,244 km (0.074 R)
• M11: 15,231,606 km (0.096 R)
• M12: 15,942,795 km (0.111 R)
• M13: 17,486,346 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.1

Radius: 8.3

Gravity: 14.34 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.29 AU - 4.53 AU

Year: 5156 Days

Day: 11.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,665,000 km

• M1: 103,223 km (0.097 R)
• M2: 620,083 km (0.039 R)
• M3: 2,194,601 km (0.096 R)
• M4: 3,121,659 km (0.105 R)
• M5: 4,064,275 km (0.084 R)
• M6: 5,041,598 km (0.065 R)
• M7: 6,070,831 km (0.071 R)
• M8: 9,419,729 km (0.12 R)
• M9: 9,815,266 km (0.083 R)
• M10: 10,498,928 km (0.11 R)
• M11: 11,020,277 km (0.056 R)
• M12: 11,758,692 km (0.079 R)
• M13: 12,269,120 km (0.116 R)
• M14: 13,665,466 km (0.074 R)
• M15: 15,045,507 km (0.091 R)
• M16: 17,879,788 km (0.117 R)
• M17: 19,598,967 km (0.103 R)
• M18: 23,602,804 km (0.107 R)
• M19: 25,077,989 km (0.047 R)
• M20: 26,875,557 km (0.088 R)
• M21: 27,850,636 km (0.091 R)
• M22: 28,120,510 km (0.048 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.2

Radius: 8.5

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.8 AU - 5.24 AU

Year: 7500 Days

Day: 7.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,665,000 km

• M1: 128,056 km (0.119 R)
• M2: 473,776 km (0.088 R)
• M3: 794,365 km (0.098 R)
• M4: 1,522,009 km (0.12 R)
• M5: 1,874,611 km (0.088 R)
• M6: 2,154,957 km (0.114 R)
• M7: 3,150,232 km (0.109 R)
• M8: 3,615,781 km (0.098 R)
• M9: 4,872,103 km (0.108 R)
• M10: 5,205,856 km (0.041 R)
• M11: 5,644,328 km (0.108 R)
• M12: 8,691,337 km (0.078 R)
• M13: 11,053,039 km (0.108 R)
• M14: 12,228,579 km (0.111 R)
• M15: 14,999,580 km (0.113 R)
• M16: 15,292,044 km (0.069 R)
• M17: 15,588,248 km (0.11 R)
• M18: 16,811,659 km (0.117 R)
• M19: 17,190,740 km (0.085 R)
• M20: 18,697,490 km (0.073 R)
• M21: 18,968,262 km (0.114 R)
• M22: 20,720,203 km (0.097 R)
• M23: 21,524,142 km (0.08 R)
• M24: 22,577,460 km (0.118 R)
• M25: 23,981,436 km (0.096 R)
• M26: 28,274,746 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.9

Radius: 5.6

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.95 AU - 6.05 AU

Year: 9801 Days

Day: 21.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,665,000 km

• M1: 73,303 km (0.065 R)
• M2: 249,230 km (0.102 R)
• M3: 688,001 km (0.108 R)
• M4: 908,657 km (0.095 R)
• M5: 2,122,046 km (0.111 R)
• M6: 2,725,224 km (0.114 R)
• M7: 3,156,515 km (0.117 R)
• M8: 3,513,755 km (0.043 R)
• M9: 4,942,714 km (0.091 R)
• M10: 7,184,438 km (0.082 R)
• M11: 7,375,923 km (0.053 R)
• M12: 9,829,328 km (0.092 R)
• M13: 10,184,922 km (0.079 R)
• M14: 11,047,952 km (0.095 R)
• M15: 11,475,653 km (0.069 R)
• M16: 13,154,440 km (0.108 R)
• M17: 15,514,646 km (0.095 R)
• M18: 15,727,673 km (0.042 R)
• M19: 16,105,108 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.8

Radius: 7.5

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.78 AU - 8.98 AU

Year: 14751 Days

Day: 22.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,665,000 km

• M1: 93,349 km (0.075 R)
• M2: 356,492 km (0.062 R)
• M3: 728,242 km (0.079 R)
• M4: 1,269,338 km (0.109 R)
• M5: 1,598,304 km (0.068 R)
• M6: 1,966,464 km (0.094 R)
• M7: 2,236,189 km (0.098 R)
• M8: 3,521,833 km (0.097 R)
• M9: 4,062,330 km (0.063 R)
• M10: 5,206,305 km (0.101 R)
• M11: 5,834,616 km (0.095 R)
• M12: 7,889,642 km (0.071 R)
• M13: 9,301,098 km (0.082 R)
• M14: 9,858,500 km (0.099 R)
• M15: 10,277,823 km (0.063 R)
• M16: 10,763,567 km (0.106 R)
• M17: 11,264,420 km (0.075 R)
• M18: 15,705,981 km (0.1 R)
• M19: 16,789,818 km (0.099 R)
• M20: 17,387,761 km (0.086 R)
• M21: 19,839,969 km (0.102 R)
• M22: 20,423,999 km (0.119 R)
• M23: 23,240,628 km (0.07 R)
• M24: 23,889,583 km (0.113 R)
• M25: 29,415,429 km (0.065 R)
• M26: 30,835,712 km (0.115 R)
• M27: 35,006,799 km (0.102 R)
• M28: 36,600,914 km (0.12 R)
• M29: 41,673,030 km (0.096 R)
• M30: 47,490,143 km (0.118 R)
• M31: 48,085,094 km (0.046 R)
• M32: 49,138,113 km (0.112 R)
• M33: 50,360,328 km (0.12 R)
• M34: 50,979,065 km (0.119 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: 282 - 16,995 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit