🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307

Radius: 13.4

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.61 AU - 0.67 AU

Year: 353 Days

Day: 5.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,352,062 km

• M1: 167,699 km (0.091 R)
• M2: 609,013 km (0.087 R)
• M3: 1,153,848 km (0.059 R)
• M4: 2,345,844 km (0.117 R)
• M5: 2,807,204 km (0.103 R)
• M6: 3,309,404 km (0.097 R)
• M7: 3,782,582 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.5

Radius: 14

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.64 AU - 0.76 AU

Year: 404 Days

Day: 11.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,352,062 km

• M1: 174,880 km (0.104 R)
• M2: 611,406 km (0.048 R)
• M3: 1,172,847 km (0.034 R)
• M4: 2,531,944 km (0.106 R)
• M5: 2,973,706 km (0.097 R)
• M6: 3,455,561 km (0.027 R)
• M7: 4,002,790 km (0.1 R)
• M8: 5,729,598 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34

Radius: 13.6

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.42 AU - 2.1 AU

Year: 1612 Days

Day: 14.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,352,062 km

• M1: 173,833 km (0.117 R)
• M2: 734,376 km (0.104 R)
• M3: 1,425,369 km (0.085 R)
• M4: 2,021,965 km (0.102 R)
• M5: 2,921,946 km (0.059 R)
• M6: 3,539,186 km (0.109 R)
• M7: 5,186,708 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.9

Radius: 12.5

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.73 AU - 2.93 AU

Year: 3286 Days

Day: 14.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,352,062 km

• M1: 176,226 km (0.098 R)
• M2: 621,130 km (0.033 R)
• M3: 1,124,826 km (0.054 R)
• M4: 2,359,757 km (0.092 R)
• M5: 2,792,244 km (0.057 R)
• M6: 3,223,236 km (0.081 R)
• M7: 3,881,317 km (0.118 R)
• M8: 6,006,803 km (0.068 R)
• M9: 6,761,525 km (0.104 R)
• M10: 7,513,403 km (0.108 R)
• M11: 8,601,878 km (0.064 R)
• M12: 9,147,012 km (0.06 R)
• M13: 10,067,338 km (0.104 R)
• M14: 10,922,290 km (0.081 R)
• M15: 11,346,101 km (0.075 R)
• M16: 11,736,851 km (0.104 R)
• M17: 12,591,653 km (0.119 R)
• M18: 13,681,473 km (0.062 R)
• M19: 14,425,423 km (0.085 R)
• M20: 17,157,978 km (0.098 R)
• M21: 17,847,924 km (0.106 R)
• M22: 22,655,550 km (0.099 R)
• M23: 23,486,267 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.8

Radius: 14.3

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.33 AU - 3.37 AU

Year: 3321 Days

Day: 13.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,352,062 km

• M1: 178,021 km (0.104 R)
• M2: 736,022 km (0.055 R)
• M3: 1,407,417 km (0.105 R)
• M4: 1,949,410 km (0.109 R)
• M5: 2,846,548 km (0.112 R)
• M6: 4,384,863 km (0.036 R)
• M7: 4,938,226 km (0.092 R)
• M8: 5,898,345 km (0.053 R)
• M9: 6,393,364 km (0.119 R)
• M10: 7,043,217 km (0.11 R)
• M11: 7,635,176 km (0.109 R)
• M12: 8,844,226 km (0.113 R)
• M13: 11,065,455 km (0.102 R)
• M14: 13,586,927 km (0.091 R)
• M15: 14,822,307 km (0.05 R)
• M16: 16,019,538 km (0.118 R)
• M17: 18,237,776 km (0.099 R)
• M18: 19,230,507 km (0.119 R)
• M19: 25,118,978 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.7

Radius: 14.8

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.1 AU - 3.72 AU

Year: 4347 Days

Day: 6.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,352,062 km

• M1: 187,596 km (0.053 R)
• M2: 946,506 km (0.107 R)
• M3: 1,487,302 km (0.039 R)
• M4: 3,488,622 km (0.107 R)
• M5: 4,616,889 km (0.069 R)
• M6: 6,312,133 km (0.119 R)
• M7: 11,443,788 km (0.111 R)
• M8: 12,410,939 km (0.114 R)
• M9: 14,209,105 km (0.1 R)
• M10: 15,222,481 km (0.095 R)
• M11: 15,747,121 km (0.071 R)
• M12: 16,777,102 km (0.049 R)
• M13: 19,334,627 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.7

Radius: 13.2

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.94 AU - 6.07 AU

Year: 7717 Days

Day: 5.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 71.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,352,062 km

• M1: 164,109 km (0.072 R)
• M2: 663,018 km (0.116 R)
• M3: 1,323,792 km (0.119 R)
• M4: 2,349,883 km (0.084 R)
• M5: 2,832,785 km (0.112 R)
• M6: 3,314,939 km (0.113 R)
• M7: 3,951,179 km (0.062 R)
• M8: 6,431,063 km (0.099 R)
• M9: 8,433,730 km (0.119 R)
• M10: 10,283,507 km (0.029 R)
• M11: 13,171,943 km (0.094 R)
• M12: 14,405,377 km (0.109 R)
• M13: 14,956,945 km (0.096 R)
• M14: 16,299,137 km (0.099 R)
• M15: 17,929,454 km (0.096 R)
• M16: 18,929,516 km (0.104 R)
• M17: 26,085,381 km (0.089 R)
• M18: 27,931,867 km (0.11 R)
• M19: 30,260,807 km (0.059 R)
• M20: 31,065,045 km (0.111 R)
• M21: 31,677,648 km (0.098 R)
• M22: 33,670,741 km (0.106 R)
• M23: 38,137,733 km (0.07 R)
• M24: 39,432,204 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.1

Radius: 3.5

Gravity: 18.13 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.77 AU - 7.55 AU

Year: 11864 Days

Day: 18.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,352,062 km

• M1: 43,533 km (0.117 R)
• M2: 172,935 km (0.117 R)
• M3: 503,846 km (0.11 R)
• M4: 619,485 km (0.109 R)
• M5: 818,450 km (0.117 R)
• M6: 1,068,877 km (0.084 R)
• M7: 1,274,125 km (0.094 R)
• M8: 1,466,807 km (0.068 R)
• M9: 2,018,524 km (0.071 R)
• M10: 2,213,300 km (0.105 R)
• M11: 2,456,098 km (0.116 R)
• M12: 2,565,454 km (0.029 R)
• M13: 2,793,890 km (0.114 R)
• M14: 3,821,777 km (0.063 R)
• M15: 4,762,448 km (0.087 R)
• M16: 8,828,369 km (0.079 R)
• M17: 9,304,240 km (0.079 R)
• M18: 10,073,023 km (0.098 R)
• M19: 12,740,802 km (0.066 R)
• M20: 14,265,204 km (0.07 R)
• M21: 17,068,818 km (0.04 R)
• M22: 17,201,212 km (0.052 R)
• M23: 18,079,202 km (0.11 R)
• M24: 20,665,749 km (0.03 R)
• M25: 21,657,284 km (0.109 R)
• M26: 25,334,250 km (0.092 R)
• M27: 35,162,381 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.9

Radius: 5.1

Gravity: 33.48 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.12 AU - 8.62 AU

Year: 13811 Days

Day: 18.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,352,062 km

• M1: 63,729 km (0.06 R)
• M2: 373,995 km (0.067 R)
• M3: 659,278 km (0.03 R)
• M4: 1,220,419 km (0.096 R)
• M5: 2,569,792 km (0.049 R)
• M6: 3,039,978 km (0.099 R)
• M7: 3,649,590 km (0.072 R)
• M8: 4,967,248 km (0.076 R)
• M9: 5,286,190 km (0.066 R)
• M10: 5,848,080 km (0.086 R)
• M11: 6,203,674 km (0.05 R)
• M12: 6,490,154 km (0.081 R)
• M13: 7,001,779 km (0.058 R)
• M14: 9,970,249 km (0.104 R)
• M15: 11,852,639 km (0.061 R)
• M16: 13,752,083 km (0.041 R)
• M17: 14,099,001 km (0.084 R)
• M18: 16,458,309 km (0.06 R)
• M19: 20,651,088 km (0.113 R)
• M20: 22,798,566 km (0.115 R)
• M21: 24,987,632 km (0.085 R)
• M22: 27,312,981 km (0.11 R)
• M23: 29,778,653 km (0.067 R)
• M24: 31,782,516 km (0.079 R)
• M25: 32,510,759 km (0.091 R)
• M26: 33,250,072 km (0.099 R)
• M27: 37,115,232 km (0.062 R)
• M28: 41,269,565 km (0.099 R)
• M29: 42,867,270 km (0.081 R)
• M30: 43,458,331 km (0.044 R)
• M31: 51,644,027 km (0.119 R)
• M32: 52,313,179 km (0.092 R)
• M33: 52,481,476 km (0.084 R)
• M34: 53,327,751 km (0.118 R)
• M35: 55,745,851 km (0.092 R)
• M36: 57,160,000 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.8

Radius: 4.7

Gravity: 30.41 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.51 AU - 9.05 AU

Year: 16446 Days

Day: 24.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,352,062 km

• M1: 58,642 km (0.083 R)
• M2: 596,746 km (0.094 R)
• M3: 754,721 km (0.074 R)
• M4: 1,132,007 km (0.089 R)
• M5: 1,306,139 km (0.072 R)
• M6: 1,760,318 km (0.09 R)
• M7: 2,210,458 km (0.044 R)
• M8: 2,462,531 km (0.098 R)
• M9: 2,618,412 km (0.06 R)
• M10: 2,949,771 km (0.066 R)
• M11: 3,871,144 km (0.039 R)
• M12: 7,298,731 km (0.096 R)
• M13: 14,666,126 km (0.076 R)
• M14: 25,321,534 km (0.108 R)
• M15: 41,931,386 km (0.098 R)
• M16: 48,709,366 km (0.055 R)
• M17: 50,015,355 km (0.107 R)
• M18: 51,344,532 km (0.08 R)
• M19: 51,680,529 km (0.056 R)
• M20: 60,003,257 km (0.106 R)
• M21: 64,188,407 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 12,154 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit