🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.9

Radius: 8.1

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.97 AU - 0.97 AU

Year: 637 Days

Day: 9.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,613,696 km

• M1: 100,679 km (0.1 R)
• M2: 413,788 km (0.085 R)
• M3: 694,583 km (0.064 R)
• M4: 949,049 km (0.095 R)
• M5: 1,267,393 km (0.107 R)
• M6: 1,553,873 km (0.055 R)
• M7: 1,855,313 km (0.092 R)
• M8: 2,228,111 km (0.115 R)
• M9: 2,641,001 km (0.105 R)
• M10: 2,993,304 km (0.089 R)
• M11: 3,409,485 km (0.068 R)
• M12: 3,758,048 km (0.037 R)
• M13: 4,192,630 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.2

Radius: 9.1

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.93 AU - 1.27 AU

Year: 769 Days

Day: 6.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 129.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,613,696 km

• M1: 113,246 km (0.1 R)
• M2: 459,864 km (0.03 R)
• M3: 796,160 km (0.033 R)
• M4: 1,121,386 km (0.108 R)
• M5: 1,408,614 km (0.098 R)
• M6: 2,225,418 km (0.102 R)
• M7: 2,586,398 km (0.08 R)
• M8: 3,415,918 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.2

Radius: 9.1

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.38 AU - 2.68 AU

Year: 2684 Days

Day: 9 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,613,696 km

• M1: 113,096 km (0.077 R)
• M2: 446,699 km (0.108 R)
• M3: 848,070 km (0.065 R)
• M4: 1,172,548 km (0.097 R)
• M5: 1,771,987 km (0.117 R)
• M6: 3,151,429 km (0.109 R)
• M7: 4,199,661 km (0.095 R)
• M8: 4,898,283 km (0.056 R)
• M9: 5,490,541 km (0.035 R)
• M10: 7,717,006 km (0.062 R)
• M11: 9,863,287 km (0.072 R)
• M12: 12,693,230 km (0.05 R)
• M13: 14,738,532 km (0.112 R)
• M14: 16,342,969 km (0.066 R)
• M15: 18,933,705 km (0.119 R)
• M16: 19,834,583 km (0.118 R)
• M17: 21,207,144 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.4

Radius: 13.8

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.89 AU - 3.29 AU

Year: 3622 Days

Day: 7 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,613,696 km

• M1: 173,534 km (0.067 R)
• M2: 642,224 km (0.045 R)
• M3: 1,254,677 km (0.107 R)
• M4: 2,576,375 km (0.088 R)
• M5: 3,223,236 km (0.059 R)
• M6: 4,267,279 km (0.096 R)
• M7: 6,159,094 km (0.09 R)
• M8: 7,762,783 km (0.102 R)
• M9: 11,071,738 km (0.115 R)
• M10: 13,898,839 km (0.095 R)
• M11: 17,176,828 km (0.114 R)
• M12: 18,298,812 km (0.116 R)
• M13: 19,290,645 km (0.085 R)
• M14: 19,951,270 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.6

Radius: 14

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.47 AU - 6.01 AU

Year: 7999 Days

Day: 5.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,613,696 km

• M1: 174,132 km (0.094 R)
• M2: 619,634 km (0.063 R)
• M3: 1,162,375 km (0.1 R)
• M4: 1,887,925 km (0.079 R)
• M5: 3,837,933 km (0.06 R)
• M6: 4,788,329 km (0.114 R)
• M7: 5,494,730 km (0.06 R)
• M8: 6,813,734 km (0.107 R)
• M9: 7,468,225 km (0.05 R)
• M10: 7,955,166 km (0.087 R)
• M11: 10,168,766 km (0.111 R)
• M12: 10,666,777 km (0.12 R)
• M13: 12,483,194 km (0.091 R)
• M14: 15,323,011 km (0.114 R)
• M15: 16,381,116 km (0.076 R)
• M16: 19,618,564 km (0.118 R)
• M17: 20,549,212 km (0.115 R)
• M18: 24,303,520 km (0.092 R)
• M19: 28,394,573 km (0.11 R)
• M20: 30,397,689 km (0.029 R)
• M21: 32,923,799 km (0.112 R)
• M22: 35,133,509 km (0.109 R)
• M23: 37,088,005 km (0.078 R)
• M24: 41,212,867 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.3

Radius: 7.2

Gravity: 16.83 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.09 AU - 8.17 AU

Year: 11384 Days

Day: 22.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,613,696 km

• M1: 89,609 km (0.077 R)
• M2: 372,349 km (0.099 R)
• M3: 759,808 km (0.092 R)
• M4: 1,265,748 km (0.119 R)
• M5: 1,497,624 km (0.102 R)
• M6: 2,066,994 km (0.11 R)
• M7: 2,862,256 km (0.048 R)
• M8: 3,601,569 km (0.094 R)
• M9: 3,846,460 km (0.066 R)
• M10: 4,776,959 km (0.113 R)
• M11: 5,452,094 km (0.086 R)
• M12: 5,702,820 km (0.091 R)
• M13: 7,724,785 km (0.093 R)
• M14: 8,847,368 km (0.068 R)
• M15: 9,194,285 km (0.091 R)
• M16: 10,953,706 km (0.093 R)
• M17: 13,180,620 km (0.068 R)
• M18: 16,348,953 km (0.112 R)
• M19: 19,075,224 km (0.099 R)
• M20: 20,416,818 km (0.101 R)
• M21: 20,675,323 km (0.059 R)
• M22: 22,362,787 km (0.114 R)
• M23: 26,313,218 km (0.041 R)
• M24: 31,961,735 km (0.089 R)
• M25: 35,437,940 km (0.111 R)
• M26: 36,061,764 km (0.106 R)
• M27: 37,331,251 km (0.115 R)
• M28: 37,977,065 km (0.095 R)
• M29: 43,130,712 km (0.107 R)
• M30: 43,841,750 km (0.082 R)
• M31: 44,271,994 km (0.111 R)
• M32: 45,287,165 km (0.098 R)
• M33: 45,874,187 km (0.057 R)
• M34: 46,913,443 km (0.101 R)
• M35: 50,125,908 km (0.082 R)
• M36: 50,596,393 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.5

Radius: 7.6

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.66 AU - 8.4 AU

Year: 15174 Days

Day: 19.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,613,696 km

• M1: 94,546 km (0.103 R)
• M2: 728,392 km (0.115 R)
• M3: 1,433,148 km (0.085 R)
• M4: 2,193,554 km (0.082 R)
• M5: 4,040,339 km (0.074 R)
• M6: 5,236,973 km (0.114 R)
• M7: 7,543,323 km (0.089 R)
• M8: 9,022,547 km (0.104 R)
• M9: 11,404,893 km (0.08 R)
• M10: 11,651,580 km (0.103 R)
• M11: 12,674,530 km (0.113 R)
• M12: 13,825,686 km (0.051 R)
• M13: 17,207,196 km (0.09 R)
• M14: 17,532,122 km (0.109 R)
• M15: 18,446,764 km (0.113 R)
• M16: 19,218,539 km (0.066 R)
• M17: 20,734,714 km (0.09 R)
• M18: 23,502,274 km (0.093 R)
• M19: 24,408,987 km (0.081 R)
• M20: 25,443,456 km (0.084 R)
• M21: 29,874,994 km (0.07 R)
• M22: 32,149,480 km (0.073 R)
• M23: 34,536,912 km (0.056 R)
• M24: 35,314,821 km (0.083 R)
• M25: 35,839,760 km (0.097 R)
• M26: 36,771,007 km (0.099 R)
• M27: 39,520,765 km (0.07 R)
• M28: 42,110,005 km (0.114 R)
• M29: 46,673,040 km (0.052 R)
• M30: 47,146,667 km (0.118 R)
• M31: 48,748,860 km (0.114 R)
• M32: 50,386,807 km (0.118 R)
• M33: 52,570,786 km (0.097 R)
• M34: 53,083,608 km (0.118 R)
• M35: 54,992,327 km (0.05 R)
• M36: 58,031,707 km (0.029 R)
• M37: 60,992,697 km (0.066 R)
• M38: 61,558,925 km (0.104 R)
• M39: 63,664,964 km (0.082 R)
• M40: 66,613,688 km (0.032 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 13,172 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit