🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.4

Radius: 14.4

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.51 AU - 0.73 AU

Year: 326 Days

Day: 9.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,689,430 km

• M1: 188,045 km (0.116 R)
• M2: 1,041,800 km (0.081 R)
• M3: 1,539,362 km (0.109 R)
• M4: 2,283,163 km (0.099 R)
• M5: 3,380,912 km (0.046 R)
• M6: 3,904,355 km (0.064 R)
• M7: 4,551,066 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.8

Radius: 14.3

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.49 AU - 0.77 AU

Year: 333 Days

Day: 8.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,689,430 km

• M1: 178,021 km (0.086 R)
• M2: 1,016,218 km (0.079 R)
• M3: 1,575,864 km (0.068 R)
• M4: 2,495,891 km (0.026 R)
• M5: 3,207,229 km (0.034 R)
• M6: 3,832,997 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.3

Radius: 10.5

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.53 AU - 0.81 AU

Year: 366 Days

Day: 5.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,689,430 km

• M1: 130,898 km (0.115 R)
• M2: 481,256 km (0.096 R)
• M3: 825,930 km (0.078 R)
• M4: 1,219,971 km (0.059 R)
• M5: 1,595,760 km (0.08 R)
• M6: 1,930,112 km (0.091 R)
• M7: 2,404,337 km (0.096 R)
• M8: 2,935,559 km (0.118 R)
• M9: 3,293,098 km (0.117 R)
• M10: 4,374,691 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.7

Radius: 11

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.67 AU - 0.71 AU

Year: 382 Days

Day: 6.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 60,689,430 km

• M1: 137,480 km (0.079 R)
• M2: 487,988 km (0.116 R)
• M3: 1,300,155 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.6

Radius: 8.4

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.78 AU - 0.92 AU

Year: 523 Days

Day: 11.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,689,430 km

• M1: 104,419 km (0.094 R)
• M2: 653,593 km (0.093 R)
• M3: 981,212 km (0.082 R)
• M4: 1,319,902 km (0.07 R)
• M5: 1,595,312 km (0.056 R)
• M6: 2,043,956 km (0.037 R)
• M7: 2,430,367 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.3

Radius: 8.8

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.88 AU - 1.28 AU

Year: 748 Days

Day: 8.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,689,430 km

• M1: 111,600 km (0.114 R)
• M2: 591,211 km (0.077 R)
• M3: 1,376,899 km (0.081 R)
• M4: 1,791,435 km (0.095 R)
• M5: 2,128,179 km (0.043 R)
• M6: 2,415,706 km (0.063 R)
• M7: 2,817,526 km (0.089 R)
• M8: 3,093,834 km (0.105 R)
• M9: 3,595,136 km (0.107 R)
• M10: 4,164,206 km (0.066 R)
• M11: 4,824,382 km (0.105 R)
• M12: 6,390,821 km (0.057 R)
• M13: 6,871,180 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.2

Radius: 10.5

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.9 AU - 2.28 AU

Year: 2015 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,689,430 km

• M1: 131,347 km (0.111 R)
• M2: 469,438 km (0.1 R)
• M3: 823,835 km (0.111 R)
• M4: 1,847,534 km (0.119 R)
• M5: 2,868,090 km (0.061 R)
• M6: 4,679,721 km (0.073 R)
• M7: 5,062,841 km (0.087 R)
• M8: 6,834,379 km (0.102 R)
• M9: 11,452,615 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.4

Radius: 15

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.29 AU - 4.33 AU

Year: 4959 Days

Day: 9 Hours

Environment

Temp: -213 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,689,430 km

• M1: 186,549 km (0.097 R)
• M2: 810,671 km (0.108 R)
• M3: 1,495,680 km (0.078 R)
• M4: 2,440,240 km (0.069 R)
• M5: 2,915,064 km (0.08 R)
• M6: 3,434,169 km (0.095 R)
• M7: 4,035,552 km (0.089 R)
• M8: 4,684,209 km (0.083 R)
• M9: 5,947,263 km (0.109 R)
• M10: 6,443,928 km (0.106 R)
• M11: 8,508,379 km (0.025 R)
• M12: 10,110,273 km (0.116 R)
• M13: 11,271,152 km (0.108 R)
• M14: 13,246,293 km (0.084 R)
• M15: 15,340,514 km (0.065 R)
• M16: 17,873,355 km (0.099 R)
• M17: 18,504,209 km (0.089 R)
• M18: 19,031,542 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.9

Radius: 12.9

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.97 AU - 5.35 AU

Year: 7816 Days

Day: 6.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,689,430 km

• M1: 162,613 km (0.072 R)
• M2: 593,156 km (0.085 R)
• M3: 1,005,447 km (0.065 R)
• M4: 1,542,354 km (0.108 R)
• M5: 2,654,315 km (0.05 R)
• M6: 3,403,501 km (0.105 R)
• M7: 4,131,744 km (0.119 R)
• M8: 4,569,168 km (0.108 R)
• M9: 5,166,213 km (0.052 R)
• M10: 10,442,231 km (0.085 R)
• M11: 11,303,466 km (0.115 R)
• M12: 13,613,705 km (0.092 R)
• M13: 15,120,605 km (0.102 R)
• M14: 15,720,343 km (0.089 R)
• M15: 24,731,520 km (0.043 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.8

Radius: 6.7

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.82 AU - 10.74 AU

Year: 21980 Days

Day: 15.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,689,430 km

• M1: 84,523 km (0.099 R)
• M2: 360,531 km (0.03 R)
• M3: 773,720 km (0.082 R)
• M4: 1,148,463 km (0.081 R)
• M5: 1,371,513 km (0.116 R)
• M6: 1,854,116 km (0.03 R)
• M7: 2,341,506 km (0.107 R)
• M8: 2,887,389 km (0.073 R)
• M9: 3,991,271 km (0.085 R)
• M10: 4,509,628 km (0.08 R)
• M11: 6,021,015 km (0.049 R)
• M12: 6,415,953 km (0.117 R)
• M13: 6,702,433 km (0.085 R)
• M14: 8,028,619 km (0.089 R)
• M15: 8,361,623 km (0.06 R)
• M16: 8,853,202 km (0.095 R)
• M17: 12,404,356 km (0.081 R)
• M18: 13,043,738 km (0.069 R)
• M19: 15,970,919 km (0.117 R)
• M20: 17,507,289 km (0.049 R)
• M21: 18,475,187 km (0.094 R)
• M22: 18,722,473 km (0.087 R)
• M23: 19,563,213 km (0.08 R)
• M24: 23,466,820 km (0.052 R)
• M25: 26,687,961 km (0.096 R)
• M26: 27,216,490 km (0.055 R)
• M27: 31,346,887 km (0.063 R)
• M28: 38,766,792 km (0.101 R)
• M29: 39,718,085 km (0.117 R)
• M30: 39,992,597 km (0.115 R)
• M31: 40,824,062 km (0.115 R)
• M32: 43,971,302 km (0.096 R)
• M33: 44,265,112 km (0.042 R)
• M34: 52,704,676 km (0.118 R)
• M35: 53,871,540 km (0.093 R)
• M36: 59,605,028 km (0.094 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: 289 - 12,746 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit