🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.9

Radius: 13.4

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.9 AU - 1.2 AU

Year: 695 Days

Day: 10.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,893,723 km

• M1: 166,652 km (0.059 R)
• M2: 648,058 km (0.085 R)
• M3: 1,125,126 km (0.087 R)
• M4: 1,618,350 km (0.103 R)
• M5: 2,118,605 km (0.059 R)
• M6: 2,744,074 km (0.058 R)
• M7: 3,768,221 km (0.086 R)
• M8: 4,368,856 km (0.114 R)
• M9: 5,049,527 km (0.069 R)
• M10: 6,022,212 km (0.069 R)
• M11: 6,887,486 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.7

Radius: 11.5

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.18 AU - 1.44 AU

Year: 968 Days

Day: 14.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 69,893,723 km

• M1: 170,990 km (0.116 R)
• M2: 579,243 km (0.09 R)
• M3: 1,254,079 km (0.11 R)
• M4: 1,728,454 km (0.096 R)
• M5: 2,737,043 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.4

Radius: 14.7

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.33 AU - 1.63 AU

Year: 1163 Days

Day: 5.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,893,723 km

• M1: 182,958 km (0.094 R)
• M2: 640,877 km (0.058 R)
• M3: 1,189,153 km (0.07 R)
• M4: 1,667,717 km (0.106 R)
• M5: 3,009,610 km (0.09 R)
• M6: 3,512,259 km (0.096 R)
• M7: 4,170,190 km (0.119 R)
• M8: 7,339,571 km (0.119 R)
• M9: 7,996,605 km (0.093 R)
• M10: 8,692,833 km (0.111 R)
• M11: 9,604,782 km (0.106 R)
• M12: 10,517,030 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.1

Radius: 13.2

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.36 AU - 2.04 AU

Year: 1431 Days

Day: 14.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,893,723 km

• M1: 164,707 km (0.114 R)
• M2: 701,016 km (0.114 R)
• M3: 2,103,346 km (0.099 R)
• M4: 2,909,828 km (0.093 R)
• M5: 3,797,243 km (0.06 R)
• M6: 4,799,399 km (0.117 R)
• M7: 5,384,027 km (0.077 R)
• M8: 7,454,611 km (0.089 R)
• M9: 9,111,707 km (0.095 R)
• M10: 10,799,321 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.6

Radius: 14

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.66 AU - 2.64 AU

Year: 2036 Days

Day: 10.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,893,723 km

• M1: 174,132 km (0.111 R)
• M2: 705,204 km (0.09 R)
• M3: 1,260,063 km (0.083 R)
• M4: 1,792,182 km (0.064 R)
• M5: 2,233,347 km (0.116 R)
• M6: 2,721,185 km (0.086 R)
• M7: 3,645,999 km (0.051 R)
• M8: 5,055,211 km (0.111 R)
• M9: 5,907,171 km (0.111 R)
• M10: 6,380,050 km (0.077 R)
• M11: 6,929,523 km (0.095 R)
• M12: 8,501,946 km (0.099 R)
• M13: 9,199,820 km (0.076 R)
• M14: 11,272,798 km (0.111 R)
• M15: 11,891,984 km (0.036 R)
• M16: 12,342,572 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764

Radius: 12.9

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.92 AU - 4.5 AU

Year: 4614 Days

Day: 7.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,893,723 km

• M1: 160,369 km (0.048 R)
• M2: 941,719 km (0.1 R)
• M3: 1,767,499 km (0.068 R)
• M4: 2,331,932 km (0.116 R)
• M5: 3,962,399 km (0.116 R)
• M6: 4,706,349 km (0.102 R)
• M7: 5,152,749 km (0.092 R)
• M8: 6,993,850 km (0.105 R)
• M9: 7,437,109 km (0.054 R)
• M10: 8,881,177 km (0.102 R)
• M11: 10,416,949 km (0.1 R)
• M12: 10,860,805 km (0.082 R)
• M13: 11,644,549 km (0.056 R)
• M14: 12,074,643 km (0.104 R)
• M15: 12,966,545 km (0.11 R)
• M16: 14,993,596 km (0.066 R)
• M17: 18,418,340 km (0.062 R)
• M18: 22,114,604 km (0.064 R)
• M19: 24,213,612 km (0.089 R)
• M20: 27,775,687 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.9

Radius: 11.7

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.3 AU - 5.68 AU

Year: 7197 Days

Day: 7.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,893,723 km

• M1: 145,559 km (0.105 R)
• M2: 635,043 km (0.083 R)
• M3: 1,327,831 km (0.077 R)
• M4: 1,968,558 km (0.092 R)
• M5: 2,429,021 km (0.052 R)
• M6: 3,040,427 km (0.04 R)
• M7: 3,845,712 km (0.11 R)
• M8: 4,363,171 km (0.058 R)
• M9: 4,815,555 km (0.052 R)
• M10: 5,538,113 km (0.05 R)
• M11: 6,669,372 km (0.054 R)
• M12: 7,381,757 km (0.108 R)
• M13: 8,958,519 km (0.026 R)
• M14: 9,604,183 km (0.08 R)
• M15: 11,231,659 km (0.109 R)
• M16: 13,922,027 km (0.085 R)
• M17: 16,757,953 km (0.096 R)
• M18: 21,285,683 km (0.113 R)
• M19: 23,951,367 km (0.12 R)
• M20: 24,443,843 km (0.096 R)
• M21: 25,790,374 km (0.041 R)
• M22: 27,274,534 km (0.118 R)
• M23: 29,372,196 km (0.081 R)
• M24: 31,184,424 km (0.076 R)
• M25: 33,171,383 km (0.086 R)
• M26: 34,403,322 km (0.114 R)
• M27: 35,030,585 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.4

Radius: 12.4

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.08 AU - 5.26 AU

Year: 7590 Days

Day: 13.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,893,723 km

• M1: 167,998 km (0.109 R)
• M2: 754,272 km (0.082 R)
• M3: 1,563,447 km (0.037 R)
• M4: 2,121,597 km (0.112 R)
• M5: 5,134,797 km (0.105 R)
• M6: 11,116,917 km (0.068 R)
• M7: 16,489,724 km (0.091 R)
• M8: 17,938,281 km (0.105 R)
• M9: 22,132,855 km (0.093 R)
• M10: 25,296,551 km (0.06 R)
• M11: 32,190,470 km (0.1 R)
• M12: 33,359,876 km (0.095 R)
• M13: 37,851,552 km (0.082 R)
• M14: 39,755,933 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.3

Radius: 10.4

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.66 AU - 6.66 AU

Year: 8694 Days

Day: 8.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,893,723 km

• M1: 130,749 km (0.104 R)
• M2: 465,698 km (0.036 R)
• M3: 1,091,616 km (0.101 R)
• M4: 2,275,683 km (0.107 R)
• M5: 2,798,827 km (0.084 R)
• M6: 3,695,067 km (0.045 R)
• M7: 4,060,086 km (0.093 R)
• M8: 5,466,007 km (0.097 R)
• M9: 6,444,826 km (0.084 R)
• M10: 6,976,048 km (0.071 R)
• M11: 7,413,771 km (0.119 R)
• M12: 8,388,551 km (0.057 R)
• M13: 11,386,343 km (0.073 R)
• M14: 12,565,473 km (0.091 R)
• M15: 14,452,201 km (0.109 R)
• M16: 19,472,108 km (0.071 R)
• M17: 22,844,642 km (0.11 R)
• M18: 29,264,934 km (0.089 R)
• M19: 35,964,974 km (0.04 R)
• M20: 40,873,130 km (0.096 R)
• M21: 41,516,401 km (0.079 R)
• M22: 45,381,561 km (0.062 R)

Asteroid Belt

Center: 7.18 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.6

Radius: 7.4

Gravity: 14.13 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.51 AU - 8.89 AU

Year: 16569 Days

Day: 24.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,893,723 km

• M1: 95,892 km (0.069 R)
• M2: 372,648 km (0.097 R)
• M3: 825,182 km (0.103 R)
• M4: 1,249,441 km (0.074 R)
• M5: 2,191,609 km (0.043 R)
• M6: 3,084,708 km (0.043 R)
• M7: 4,232,573 km (0.102 R)
• M8: 4,798,053 km (0.06 R)
• M9: 5,117,145 km (0.095 R)
• M10: 5,488,297 km (0.094 R)
• M11: 5,877,252 km (0.09 R)
• M12: 6,201,729 km (0.105 R)
• M13: 7,667,639 km (0.104 R)
• M14: 7,957,111 km (0.083 R)
• M15: 9,028,381 km (0.084 R)
• M16: 9,460,719 km (0.113 R)
• M17: 12,089,453 km (0.101 R)
• M18: 13,155,338 km (0.104 R)
• M19: 16,092,093 km (0.082 R)
• M20: 16,567,216 km (0.117 R)
• M21: 18,562,253 km (0.069 R)
• M22: 18,909,620 km (0.085 R)
• M23: 20,805,025 km (0.081 R)
• M24: 23,322,906 km (0.066 R)
• M25: 24,343,164 km (0.049 R)
• M26: 25,821,041 km (0.051 R)
• M27: 28,722,791 km (0.112 R)
• M28: 28,954,518 km (0.089 R)
• M29: 30,132,452 km (0.117 R)
• M30: 41,463,743 km (0.101 R)
• M31: 47,985,013 km (0.089 R)
• M32: 50,301,985 km (0.116 R)
• M33: 51,658,987 km (0.07 R)
• M34: 61,079,315 km (0.063 R)
• M35: 63,013,316 km (0.069 R)
• M36: 67,820,494 km (0.026 R)
• M37: 69,893,771 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 19,062 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit