🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427

Radius: 12.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.71 AU - 0.95 AU

Year: 496 Days

Day: 7.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,122,772 km

• M1: 159,471 km (0.095 R)
• M2: 712,983 km (0.092 R)
• M3: 1,212,192 km (0.065 R)
• M4: 1,619,995 km (0.113 R)
• M5: 2,024,508 km (0.092 R)
• M6: 2,638,906 km (0.065 R)
• M7: 3,086,952 km (0.1 R)
• M8: 4,575,900 km (0.079 R)
• M9: 5,305,638 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.2

Radius: 9.7

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.29 AU - 2.05 AU

Year: 1416 Days

Day: 5.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,122,772 km

• M1: 120,576 km (0.078 R)
• M2: 465,848 km (0.049 R)
• M3: 769,980 km (0.076 R)
• M4: 1,277,416 km (0.086 R)
• M5: 1,675,945 km (0.027 R)
• M6: 2,053,680 km (0.12 R)
• M7: 2,632,623 km (0.029 R)
• M8: 3,012,303 km (0.117 R)
• M9: 3,364,456 km (0.117 R)
• M10: 3,813,100 km (0.073 R)
• M11: 4,319,938 km (0.073 R)
• M12: 4,689,145 km (0.091 R)
• M13: 5,100,539 km (0.059 R)
• M14: 5,491,289 km (0.051 R)
• M15: 5,995,883 km (0.104 R)
• M16: 7,204,484 km (0.119 R)
• M17: 9,568,729 km (0.089 R)
• M18: 10,029,939 km (0.09 R)
• M19: 10,644,936 km (0.107 R)
• M20: 13,358,641 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.2

Radius: 8.9

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3 AU - 3.98 AU

Year: 4277 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,122,772 km

• M1: 110,702 km (0.112 R)
• M2: 468,391 km (0.085 R)
• M3: 792,869 km (0.09 R)
• M4: 1,454,390 km (0.043 R)
• M5: 2,163,335 km (0.104 R)
• M6: 3,529,313 km (0.098 R)
• M7: 3,946,242 km (0.079 R)
• M8: 4,696,775 km (0.091 R)
• M9: 5,312,819 km (0.106 R)
• M10: 6,134,410 km (0.117 R)
• M11: 7,486,775 km (0.111 R)
• M12: 8,672,787 km (0.067 R)
• M13: 9,599,546 km (0.089 R)
• M14: 11,226,722 km (0.034 R)
• M15: 11,648,737 km (0.097 R)
• M16: 13,029,975 km (0.095 R)
• M17: 15,821,022 km (0.063 R)
• M18: 17,449,096 km (0.096 R)
• M19: 18,856,064 km (0.061 R)
• M20: 21,749,286 km (0.027 R)
• M21: 22,627,426 km (0.028 R)
• M22: 24,220,793 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.2

Radius: 13

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.97 AU - 4.57 AU

Year: 4802 Days

Day: 11.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,122,772 km

• M1: 161,715 km (0.084 R)
• M2: 609,312 km (0.084 R)
• M3: 1,055,862 km (0.1 R)
• M4: 1,704,369 km (0.105 R)
• M5: 2,151,965 km (0.083 R)
• M6: 2,556,478 km (0.113 R)
• M7: 3,332,592 km (0.063 R)
• M8: 4,260,547 km (0.1 R)
• M9: 4,719,364 km (0.108 R)
• M10: 5,528,539 km (0.114 R)
• M11: 8,879,082 km (0.108 R)
• M12: 9,292,122 km (0.063 R)
• M13: 9,761,411 km (0.027 R)
• M14: 10,246,407 km (0.118 R)
• M15: 13,075,751 km (0.113 R)
• M16: 13,995,330 km (0.105 R)
• M17: 16,575,743 km (0.105 R)
• M18: 21,310,965 km (0.111 R)
• M19: 23,907,236 km (0.112 R)
• M20: 25,035,204 km (0.066 R)
• M21: 26,879,147 km (0.074 R)
• M22: 29,445,798 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.7

Radius: 4.6

Gravity: 19.69 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.93 AU - 7.87 AU

Year: 13206 Days

Day: 20.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,122,772 km

• M1: 64,477 km (0.12 R)
• M2: 666,907 km (0.027 R)
• M3: 1,152,203 km (0.071 R)
• M4: 1,780,215 km (0.053 R)
• M5: 2,373,520 km (0.075 R)
• M6: 2,715,501 km (0.087 R)
• M7: 2,865,398 km (0.105 R)
• M8: 3,182,246 km (0.09 R)
• M9: 3,805,620 km (0.084 R)
• M10: 4,188,292 km (0.094 R)
• M11: 6,649,326 km (0.082 R)
• M12: 7,203,885 km (0.092 R)
• M13: 8,005,132 km (0.047 R)
• M14: 9,005,044 km (0.114 R)
• M15: 9,486,001 km (0.089 R)
• M16: 10,710,011 km (0.105 R)
• M17: 11,304,662 km (0.1 R)
• M18: 15,141,100 km (0.091 R)
• M19: 15,958,802 km (0.102 R)
• M20: 17,166,804 km (0.049 R)
• M21: 17,755,921 km (0.092 R)
• M22: 19,524,616 km (0.038 R)
• M23: 20,988,132 km (0.113 R)
• M24: 23,051,087 km (0.098 R)
• M25: 24,591,646 km (0.093 R)
• M26: 25,245,389 km (0.068 R)
• M27: 26,006,692 km (0.063 R)
• M28: 28,077,725 km (0.097 R)
• M29: 35,063,198 km (0.047 R)
• M30: 35,416,398 km (0.062 R)
• M31: 37,831,955 km (0.117 R)
• M32: 38,953,939 km (0.109 R)
• M33: 41,789,567 km (0.111 R)
• M34: 43,936,147 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.6

Radius: 4.4

Gravity: 29.63 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.53 AU - 11.01 AU

Year: 18515 Days

Day: 22.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,122,772 km

• M1: 55,052 km (0.106 R)
• M2: 197,469 km (0.085 R)
• M3: 432,188 km (0.069 R)
• M4: 2,161,988 km (0.099 R)
• M5: 2,636,812 km (0.084 R)
• M6: 3,587,058 km (0.101 R)
• M7: 4,954,981 km (0.12 R)
• M8: 6,424,331 km (0.12 R)
• M9: 6,637,059 km (0.038 R)
• M10: 8,360,576 km (0.078 R)
• M11: 9,680,927 km (0.098 R)
• M12: 12,008,520 km (0.032 R)
• M13: 12,266,577 km (0.098 R)
• M14: 13,062,736 km (0.111 R)
• M15: 16,042,876 km (0.101 R)
• M16: 19,182,636 km (0.082 R)
• M17: 19,981,937 km (0.083 R)
• M18: 21,741,956 km (0.082 R)
• M19: 22,125,226 km (0.108 R)
• M20: 23,004,113 km (0.079 R)
• M21: 23,302,112 km (0.112 R)
• M22: 24,007,616 km (0.11 R)
• M23: 27,974,353 km (0.09 R)
• M24: 30,409,208 km (0.1 R)
• M25: 41,562,627 km (0.108 R)
• M26: 43,349,873 km (0.082 R)
• M27: 45,032,549 km (0.118 R)
• M28: 49,017,687 km (0.112 R)
• M29: 50,843,230 km (0.104 R)
• M30: 59,340,838 km (0.085 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 16,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit