🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.1

Radius: 14.1

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.46 AU - 0.64 AU

Year: 287 Days

Day: 6.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,178,737 km

• M1: 175,329 km (0.075 R)
• M2: 619,485 km (0.043 R)
• M3: 1,252,433 km (0.065 R)
• M4: 1,754,035 km (0.086 R)
• M5: 2,365,890 km (0.089 R)
• M6: 3,490,866 km (0.059 R)
• M7: 4,457,119 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.8

Radius: 8.1

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.47 AU - 0.65 AU

Year: 295 Days

Day: 5.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,178,737 km

• M1: 100,979 km (0.112 R)
• M2: 402,867 km (0.099 R)
• M3: 1,001,857 km (0.109 R)
• M4: 1,408,015 km (0.112 R)
• M5: 1,667,119 km (0.091 R)
• M6: 2,225,568 km (0.112 R)
• M7: 3,013,350 km (0.117 R)
• M8: 3,493,709 km (0.027 R)
• M9: 4,161,663 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.3

Radius: 9.2

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.46 AU - 0.76 AU

Year: 335 Days

Day: 9.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,178,737 km

• M1: 114,442 km (0.095 R)
• M2: 403,017 km (0.08 R)
• M3: 910,004 km (0.051 R)
• M4: 1,253,929 km (0.116 R)
• M5: 1,554,172 km (0.09 R)
• M6: 1,859,202 km (0.103 R)
• M7: 2,172,311 km (0.059 R)
• M8: 2,847,745 km (0.092 R)
• M9: 3,139,910 km (0.114 R)
• M10: 3,576,287 km (0.092 R)
• M11: 4,127,555 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.4

Radius: 11.4

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.73 AU - 1.09 AU

Year: 610 Days

Day: 10.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,178,737 km

• M1: 141,819 km (0.112 R)
• M2: 522,396 km (0.06 R)
• M3: 932,743 km (0.04 R)
• M4: 2,242,023 km (0.025 R)
• M5: 3,014,995 km (0.095 R)

Asteroid Belt

Center: 1.22 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.9

Radius: 13.9

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.48 AU - 1.56 AU

Year: 1317 Days

Day: 5.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,178,737 km

• M1: 172,935 km (0.083 R)
• M2: 628,909 km (0.089 R)
• M3: 1,095,206 km (0.077 R)
• M4: 1,833,621 km (0.083 R)
• M5: 2,672,416 km (0.097 R)
• M6: 3,248,219 km (0.098 R)
• M7: 3,754,607 km (0.056 R)
• M8: 4,350,456 km (0.103 R)
• M9: 4,828,271 km (0.119 R)
• M10: 5,383,878 km (0.083 R)
• M11: 6,214,744 km (0.081 R)
• M12: 6,975,300 km (0.075 R)
• M13: 7,660,309 km (0.115 R)
• M14: 8,360,875 km (0.038 R)
• M15: 9,134,596 km (0.089 R)
• M16: 10,790,644 km (0.078 R)
• M17: 11,563,915 km (0.092 R)
• M18: 13,064,232 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.2

Radius: 8.9

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.57 AU - 2.35 AU

Year: 1929 Days

Day: 8.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,178,737 km

• M1: 111,002 km (0.093 R)
• M2: 457,021 km (0.119 R)
• M3: 737,368 km (0.094 R)
• M4: 1,536,221 km (0.119 R)
• M5: 1,919,789 km (0.107 R)
• M6: 2,354,521 km (0.106 R)
• M7: 2,693,061 km (0.108 R)
• M8: 2,992,855 km (0.111 R)
• M9: 3,391,384 km (0.06 R)
• M10: 3,892,387 km (0.117 R)
• M11: 4,442,010 km (0.068 R)
• M12: 5,144,072 km (0.044 R)
• M13: 5,479,172 km (0.069 R)
• M14: 5,873,362 km (0.077 R)
• M15: 6,286,402 km (0.066 R)
• M16: 7,563,070 km (0.093 R)
• M17: 7,969,527 km (0.079 R)
• M18: 8,915,136 km (0.051 R)
• M19: 9,461,467 km (0.104 R)
• M20: 9,997,775 km (0.102 R)
• M21: 10,959,241 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.9

Radius: 9.6

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.84 AU - 2.12 AU

Year: 1958 Days

Day: 5.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,178,737 km

• M1: 119,828 km (0.114 R)
• M2: 428,897 km (0.092 R)
• M3: 747,690 km (0.112 R)
• M4: 1,136,495 km (0.091 R)
• M5: 1,453,493 km (0.038 R)
• M6: 1,931,458 km (0.072 R)
• M7: 2,323,853 km (0.09 R)
• M8: 2,624,096 km (0.085 R)
• M9: 3,868,751 km (0.078 R)
• M10: 4,621,826 km (0.07 R)
• M11: 5,422,624 km (0.113 R)
• M12: 6,766,012 km (0.09 R)
• M13: 7,155,266 km (0.067 R)
• M14: 7,827,260 km (0.107 R)
• M15: 8,413,534 km (0.086 R)
• M16: 8,962,708 km (0.093 R)
• M17: 14,028,092 km (0.104 R)
• M18: 14,662,237 km (0.047 R)
• M19: 15,457,798 km (0.097 R)
• M20: 16,729,979 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.2

Radius: 6.5

Gravity: 17.64 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.27 AU - 6.03 AU

Year: 9440 Days

Day: 23.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,178,737 km

• M1: 83,625 km (0.11 R)
• M2: 334,650 km (0.089 R)
• M3: 598,990 km (0.047 R)
• M4: 812,017 km (0.053 R)
• M5: 1,224,010 km (0.108 R)
• M6: 1,437,785 km (0.034 R)
• M7: 2,217,639 km (0.105 R)
• M8: 3,392,880 km (0.098 R)
• M9: 3,846,311 km (0.078 R)
• M10: 4,483,299 km (0.107 R)
• M11: 4,935,383 km (0.073 R)
• M12: 5,318,354 km (0.101 R)
• M13: 6,072,178 km (0.117 R)
• M14: 9,906,670 km (0.112 R)
• M15: 13,450,494 km (0.081 R)
• M16: 14,841,156 km (0.03 R)
• M17: 15,170,122 km (0.115 R)
• M18: 18,353,564 km (0.082 R)
• M19: 22,728,704 km (0.1 R)
• M20: 24,878,575 km (0.087 R)
• M21: 25,156,528 km (0.074 R)
• M22: 32,908,240 km (0.079 R)
• M23: 33,580,533 km (0.075 R)
• M24: 39,041,454 km (0.113 R)
• M25: 41,981,501 km (0.084 R)
• M26: 44,791,846 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.1

Radius: 5.5

Gravity: 29.26 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.75 AU - 9.33 AU

Year: 14553 Days

Day: 23.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,178,737 km

• M1: 68,516 km (0.092 R)
• M2: 240,553 km (0.107 R)
• M3: 492,476 km (0.093 R)
• M4: 1,102,387 km (0.103 R)
• M5: 2,325,499 km (0.103 R)
• M6: 2,519,378 km (0.059 R)
• M7: 4,072,054 km (0.073 R)
• M8: 4,354,944 km (0.087 R)
• M9: 6,131,269 km (0.064 R)
• M10: 8,093,993 km (0.027 R)
• M11: 8,390,496 km (0.045 R)
• M12: 9,760,363 km (0.028 R)
• M13: 10,096,510 km (0.075 R)
• M14: 12,537,648 km (0.074 R)
• M15: 13,546,386 km (0.06 R)
• M16: 15,346,049 km (0.086 R)
• M17: 15,877,271 km (0.086 R)
• M18: 17,957,579 km (0.12 R)
• M19: 22,071,371 km (0.07 R)
• M20: 22,553,225 km (0.049 R)
• M21: 26,446,660 km (0.072 R)
• M22: 27,763,570 km (0.076 R)
• M23: 30,765,550 km (0.065 R)
• M24: 31,245,759 km (0.102 R)
• M25: 32,716,606 km (0.107 R)
• M26: 34,104,724 km (0.077 R)
• M27: 36,728,521 km (0.064 R)
• M28: 40,050,940 km (0.091 R)
• M29: 54,816,549 km (0.043 R)
• M30: 62,339,078 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.2

Radius: 5.3

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.72 AU - 10.92 AU

Year: 21631 Days

Day: 16.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 51,178,737 km

• M1: 68,067 km (0.078 R)
• M2: 252,521 km (0.105 R)
• M3: 487,240 km (0.104 R)
• M4: 687,851 km (0.043 R)
• M5: 1,633,310 km (0.036 R)
• M6: 2,057,120 km (0.056 R)
• M7: 2,592,531 km (0.103 R)
• M8: 2,761,277 km (0.055 R)
• M9: 3,028,459 km (0.107 R)
• M10: 3,436,263 km (0.028 R)
• M11: 3,798,888 km (0.096 R)
• M12: 4,944,359 km (0.115 R)
• M13: 7,718,652 km (0.078 R)
• M14: 8,294,454 km (0.084 R)
• M15: 9,987,154 km (0.12 R)
• M16: 11,216,998 km (0.107 R)
• M17: 12,484,840 km (0.041 R)
• M18: 14,167,666 km (0.105 R)
• M19: 14,429,163 km (0.107 R)
• M20: 15,855,430 km (0.089 R)
• M21: 17,597,646 km (0.028 R)
• M22: 18,670,712 km (0.091 R)
• M23: 20,862,171 km (0.113 R)
• M24: 21,888,861 km (0.074 R)
• M25: 23,219,235 km (0.116 R)
• M26: 23,766,165 km (0.114 R)
• M27: 24,696,664 km (0.076 R)
• M28: 27,939,646 km (0.107 R)
• M29: 29,929,896 km (0.087 R)
• M30: 33,146,849 km (0.097 R)
• M31: 43,200,424 km (0.101 R)
• M32: 44,444,630 km (0.119 R)
• M33: 46,283,786 km (0.114 R)
• M34: 46,859,588 km (0.099 R)
• M35: 51,025,590 km (0.065 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 10,906 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit