🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26

Radius: 14.2

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.53 AU - 0.79 AU

Year: 364 Days

Day: 6.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 76,569,571 km

• M1: 176,825 km (0.067 R)
• M2: 755,918 km (0.093 R)
• M3: 1,415,944 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.4

Radius: 8.7

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.65 AU - 1.05 AU

Year: 532 Days

Day: 6.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,569,571 km

• M1: 108,309 km (0.108 R)
• M2: 457,620 km (0.03 R)
• M3: 765,941 km (0.093 R)
• M4: 1,146,518 km (0.098 R)
• M5: 1,504,356 km (0.085 R)
• M6: 1,852,620 km (0.109 R)
• M7: 2,332,680 km (0.091 R)
• M8: 3,311,798 km (0.053 R)
• M9: 3,769,866 km (0.075 R)
• M10: 4,150,593 km (0.108 R)
• M11: 4,501,101 km (0.106 R)
• M12: 4,827,673 km (0.113 R)
• M13: 5,109,216 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175

Radius: 14.9

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.42 AU - 2.1 AU

Year: 1584 Days

Day: 10.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,569,571 km

• M1: 225,893 km (0.104 R)
• M2: 702,362 km (0.093 R)
• M3: 1,217,128 km (0.073 R)
• M4: 2,878,263 km (0.111 R)
• M5: 3,425,492 km (0.106 R)
• M6: 4,631,849 km (0.059 R)
• M7: 5,224,107 km (0.103 R)
• M8: 5,788,241 km (0.118 R)
• M9: 6,819,718 km (0.047 R)
• M10: 7,288,109 km (0.032 R)
• M11: 8,166,099 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.7

Radius: 12.4

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.05 AU - 2.49 AU

Year: 2320 Days

Day: 8.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,569,571 km

• M1: 154,235 km (0.119 R)
• M2: 829,520 km (0.041 R)
• M3: 1,296,565 km (0.1 R)
• M4: 1,859,352 km (0.069 R)
• M5: 2,317,720 km (0.082 R)
• M6: 3,257,942 km (0.117 R)
• M7: 4,229,880 km (0.087 R)
• M8: 5,219,171 km (0.085 R)
• M9: 5,606,180 km (0.045 R)
• M10: 6,090,728 km (0.076 R)
• M11: 6,714,700 km (0.116 R)
• M12: 7,115,024 km (0.109 R)
• M13: 7,653,277 km (0.062 R)
• M14: 9,015,665 km (0.081 R)
• M15: 10,958,194 km (0.04 R)
• M16: 13,077,397 km (0.093 R)
• M17: 13,704,063 km (0.083 R)
• M18: 15,555,935 km (0.09 R)
• M19: 16,516,054 km (0.102 R)
• M20: 17,893,551 km (0.083 R)
• M21: 19,117,860 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865

Radius: 6.3

Gravity: 21.79 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.37 AU - 7.33 AU

Year: 10853 Days

Day: 21.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,569,571 km

• M1: 78,389 km (0.101 R)
• M2: 319,391 km (0.1 R)
• M3: 528,679 km (0.051 R)
• M4: 1,049,728 km (0.082 R)
• M5: 1,290,581 km (0.072 R)
• M6: 2,845,950 km (0.1 R)
• M7: 4,011,766 km (0.075 R)
• M8: 5,361,887 km (0.088 R)
• M9: 5,787,194 km (0.091 R)
• M10: 6,083,098 km (0.096 R)
• M11: 6,665,034 km (0.106 R)
• M12: 7,031,698 km (0.101 R)
• M13: 7,760,689 km (0.103 R)
• M14: 8,351,451 km (0.081 R)
• M15: 9,318,152 km (0.051 R)
• M16: 9,622,135 km (0.118 R)
• M17: 9,985,209 km (0.064 R)
• M18: 10,628,779 km (0.052 R)
• M19: 17,410,051 km (0.088 R)
• M20: 21,420,620 km (0.053 R)
• M21: 27,635,065 km (0.099 R)
• M22: 34,468,247 km (0.103 R)
• M23: 38,725,802 km (0.096 R)
• M24: 50,253,216 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.4

Radius: 4.5

Gravity: 45.65 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.09 AU - 8.25 AU

Year: 15839 Days

Day: 21.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 76,569,571 km

• M1: 76,594 km (0.111 R)
• M2: 261,946 km (0.118 R)
• M3: 503,995 km (0.098 R)
• M4: 1,584,541 km (0.104 R)
• M5: 2,261,321 km (0.088 R)
• M6: 2,759,782 km (0.066 R)
• M7: 3,165,940 km (0.115 R)
• M8: 4,976,373 km (0.116 R)
• M9: 5,773,879 km (0.107 R)
• M10: 5,975,687 km (0.118 R)
• M11: 6,350,729 km (0.092 R)
• M12: 7,522,679 km (0.097 R)
• M13: 7,861,219 km (0.109 R)
• M14: 8,009,470 km (0.057 R)
• M15: 8,673,385 km (0.113 R)
• M16: 10,823,556 km (0.088 R)
• M17: 11,506,619 km (0.068 R)
• M18: 13,096,097 km (0.081 R)
• M19: 14,976,991 km (0.064 R)
• M20: 18,383,484 km (0.098 R)
• M21: 18,732,496 km (0.049 R)
• M22: 19,085,996 km (0.057 R)
• M23: 20,920,514 km (0.117 R)
• M24: 23,784,416 km (0.094 R)
• M25: 24,407,940 km (0.119 R)
• M26: 24,618,125 km (0.106 R)
• M27: 26,675,993 km (0.079 R)
• M28: 29,554,555 km (0.057 R)
• M29: 29,793,463 km (0.116 R)
• M30: 33,016,848 km (0.109 R)
• M31: 33,532,512 km (0.117 R)
• M32: 39,419,637 km (0.101 R)
• M33: 42,986,948 km (0.082 R)
• M34: 46,440,864 km (0.076 R)
• M35: 54,788,724 km (0.088 R)
• M36: 56,240,123 km (0.114 R)
• M37: 59,599,044 km (0.039 R)
• M38: 60,747,806 km (0.091 R)
• M39: 63,089,312 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.6

Radius: 3.5

Gravity: 64.05 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.18 AU - 11.18 AU

Year: 18865 Days

Day: 24.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 76,569,571 km

• M1: 43,533 km (0.086 R)
• M2: 504,893 km (0.116 R)
• M3: 683,662 km (0.038 R)
• M4: 858,393 km (0.067 R)
• M5: 1,182,721 km (0.047 R)
• M6: 1,652,458 km (0.107 R)
• M7: 1,890,618 km (0.079 R)
• M8: 2,551,092 km (0.076 R)
• M9: 2,818,723 km (0.04 R)
• M10: 3,734,262 km (0.113 R)
• M11: 3,919,763 km (0.119 R)
• M12: 5,794,524 km (0.066 R)
• M13: 6,043,305 km (0.05 R)
• M14: 6,473,848 km (0.093 R)
• M15: 6,832,584 km (0.117 R)
• M16: 7,110,387 km (0.081 R)
• M17: 7,938,112 km (0.12 R)
• M18: 11,436,458 km (0.114 R)
• M19: 12,568,316 km (0.056 R)
• M20: 19,545,411 km (0.083 R)
• M21: 22,044,443 km (0.064 R)
• M22: 22,548,289 km (0.042 R)
• M23: 23,266,508 km (0.1 R)
• M24: 27,548,897 km (0.092 R)
• M25: 29,326,718 km (0.026 R)
• M26: 30,678,035 km (0.111 R)
• M27: 30,928,163 km (0.083 R)
• M28: 31,559,316 km (0.054 R)
• M29: 32,586,904 km (0.095 R)
• M30: 33,636,632 km (0.117 R)
• M31: 33,902,468 km (0.048 R)
• M32: 40,262,472 km (0.102 R)
• M33: 41,166,192 km (0.083 R)
• M34: 46,709,093 km (0.113 R)
• M35: 49,744,284 km (0.088 R)
• M36: 61,399,454 km (0.053 R)
• M37: 65,655,065 km (0.107 R)
• M38: 65,862,407 km (0.115 R)
• M39: 66,906,152 km (0.102 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: 449 - 16,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit