🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.1

Radius: 8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.53 AU - 0.65 AU

Year: 307 Days

Day: 11.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 90,108,019 km

• M1: 99,483 km (0.079 R)
• M2: 608,714 km (0.078 R)
• M3: 1,187,059 km (0.114 R)
• M4: 1,515,426 km (0.057 R)
• M5: 1,930,112 km (0.118 R)
• M6: 2,343,002 km (0.051 R)
• M7: 2,647,434 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.8

Radius: 10.4

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.91 AU - 1.03 AU

Year: 648 Days

Day: 5.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,108,019 km

• M1: 129,402 km (0.117 R)
• M2: 528,828 km (0.117 R)
• M3: 971,489 km (0.107 R)
• M4: 2,701,139 km (0.095 R)
• M5: 3,208,426 km (0.04 R)
• M6: 4,103,320 km (0.035 R)
• M7: 4,592,954 km (0.067 R)
• M8: 5,464,810 km (0.05 R)
• M9: 7,861,368 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.2

Radius: 14.5

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.97 AU - 0.97 AU

Year: 648 Days

Day: 14.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,108,019 km

• M1: 180,265 km (0.106 R)
• M2: 863,629 km (0.036 R)
• M3: 1,319,154 km (0.089 R)
• M4: 1,942,379 km (0.105 R)
• M5: 2,696,801 km (0.077 R)
• M6: 3,248,518 km (0.089 R)
• M7: 3,809,211 km (0.098 R)
• M8: 4,289,719 km (0.051 R)
• M9: 4,983,404 km (0.097 R)
• M10: 5,543,349 km (0.076 R)
• M11: 6,237,483 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.1

Radius: 8.5

Gravity: 12.33 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.01 AU - 1.43 AU

Year: 914 Days

Day: 11.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,108,019 km

• M1: 105,766 km (0.117 R)
• M2: 378,333 km (0.107 R)
• M3: 798,853 km (0.119 R)
• M4: 1,169,407 km (0.096 R)
• M5: 1,451,399 km (0.116 R)
• M6: 1,864,139 km (0.045 R)
• M7: 2,353,474 km (0.112 R)
• M8: 2,622,899 km (0.029 R)
• M9: 3,773,157 km (0.107 R)
• M10: 4,161,214 km (0.106 R)
• M11: 5,248,940 km (0.062 R)
• M12: 5,629,966 km (0.082 R)
• M13: 7,027,360 km (0.095 R)
• M14: 9,318,451 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.1

Radius: 14.3

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.33 AU - 1.39 AU

Year: 1076 Days

Day: 6 Hours

Environment

Temp: -178 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 90,108,019 km

• M1: 180,864 km (0.108 R)
• M2: 935,435 km (0.084 R)
• M3: 1,557,613 km (0.092 R)
• M4: 3,778,842 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.5

Radius: 13.5

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.17 AU - 1.67 AU

Year: 1148 Days

Day: 13.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,108,019 km

• M1: 167,849 km (0.118 R)
• M2: 850,464 km (0.035 R)
• M3: 1,286,542 km (0.102 R)
• M4: 1,877,004 km (0.101 R)
• M5: 2,399,849 km (0.116 R)
• M6: 2,909,080 km (0.099 R)
• M7: 3,338,276 km (0.051 R)
• M8: 3,909,591 km (0.036 R)
• M9: 4,527,131 km (0.08 R)
• M10: 6,609,384 km (0.111 R)
• M11: 8,219,505 km (0.105 R)
• M12: 8,703,604 km (0.06 R)
• M13: 9,237,070 km (0.034 R)
• M14: 9,760,663 km (0.067 R)
• M15: 10,500,723 km (0.084 R)
• M16: 11,805,217 km (0.05 R)
• M17: 12,459,707 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.3

Radius: 13.6

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.69 AU - 2.69 AU

Year: 2198 Days

Day: 10.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,108,019 km

• M1: 170,392 km (0.103 R)
• M2: 838,047 km (0.046 R)
• M3: 1,608,925 km (0.112 R)
• M4: 2,357,363 km (0.077 R)
• M5: 2,783,418 km (0.118 R)
• M6: 3,735,758 km (0.102 R)
• M7: 4,224,345 km (0.109 R)
• M8: 4,738,213 km (0.064 R)
• M9: 5,655,697 km (0.094 R)
• M10: 6,116,010 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.2

Radius: 5.6

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.25 AU - 8.43 AU

Year: 16336 Days

Day: 20.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,108,019 km

• M1: 70,909 km (0.045 R)
• M2: 263,292 km (0.07 R)
• M3: 460,462 km (0.073 R)
• M4: 999,314 km (0.118 R)
• M5: 1,288,786 km (0.099 R)
• M6: 1,676,095 km (0.1 R)
• M7: 1,969,905 km (0.073 R)
• M8: 2,995,548 km (0.088 R)
• M9: 5,232,934 km (0.101 R)
• M10: 6,725,023 km (0.105 R)
• M11: 7,962,347 km (0.091 R)
• M12: 8,882,374 km (0.117 R)
• M13: 9,157,783 km (0.089 R)
• M14: 10,366,983 km (0.111 R)
• M15: 11,408,034 km (0.1 R)
• M16: 13,335,005 km (0.06 R)
• M17: 14,883,193 km (0.107 R)
• M18: 17,034,710 km (0.095 R)
• M19: 24,898,471 km (0.107 R)
• M20: 26,755,280 km (0.086 R)
• M21: 29,506,983 km (0.08 R)
• M22: 31,797,177 km (0.03 R)
• M23: 33,424,802 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.7

Radius: 5.7

Gravity: 20.49 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.19 AU - 9.39 AU

Year: 17676 Days

Day: 23.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,108,019 km

• M1: 70,909 km (0.117 R)
• M2: 249,230 km (0.102 R)
• M3: 488,886 km (0.066 R)
• M4: 703,858 km (0.116 R)
• M5: 1,420,581 km (0.075 R)
• M6: 1,642,435 km (0.12 R)
• M7: 1,832,873 km (0.065 R)
• M8: 2,096,764 km (0.041 R)
• M9: 3,120,911 km (0.116 R)
• M10: 6,139,945 km (0.118 R)
• M11: 7,408,386 km (0.077 R)
• M12: 8,531,716 km (0.082 R)
• M13: 10,868,136 km (0.109 R)
• M14: 14,898,602 km (0.088 R)
• M15: 16,436,617 km (0.103 R)
• M16: 17,408,555 km (0.088 R)
• M17: 17,740,811 km (0.048 R)
• M18: 19,377,562 km (0.092 R)
• M19: 20,186,886 km (0.054 R)
• M20: 20,461,698 km (0.112 R)
• M21: 21,112,448 km (0.118 R)
• M22: 23,448,269 km (0.109 R)
• M23: 28,511,260 km (0.093 R)
• M24: 29,205,843 km (0.096 R)
• M25: 30,149,356 km (0.094 R)
• M26: 37,330,653 km (0.092 R)
• M27: 39,146,771 km (0.073 R)
• M28: 40,728,768 km (0.098 R)
• M29: 42,652,896 km (0.109 R)
• M30: 45,887,501 km (0.111 R)
• M31: 50,617,936 km (0.089 R)
• M32: 53,187,728 km (0.118 R)
• M33: 54,948,345 km (0.102 R)
• M34: 57,845,607 km (0.081 R)
• M35: 58,771,468 km (0.041 R)
• M36: 59,144,565 km (0.11 R)
• M37: 64,932,058 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.6

Radius: 4.2

Gravity: 52.07 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.78 AU - 12.72 AU

Year: 22258 Days

Day: 23.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 90,108,019 km

• M1: 52,359 km (0.111 R)
• M2: 494,720 km (0.115 R)
• M3: 910,303 km (0.054 R)
• M4: 2,459,539 km (0.055 R)
• M5: 2,607,341 km (0.062 R)
• M6: 2,920,898 km (0.101 R)
• M7: 3,686,241 km (0.11 R)
• M8: 3,979,902 km (0.094 R)
• M9: 5,072,265 km (0.06 R)
• M10: 5,271,979 km (0.085 R)
• M11: 6,304,503 km (0.118 R)
• M12: 7,363,207 km (0.105 R)
• M13: 8,535,157 km (0.035 R)
• M14: 9,461,916 km (0.115 R)
• M15: 10,262,713 km (0.104 R)
• M16: 10,647,180 km (0.081 R)
• M17: 11,581,568 km (0.049 R)
• M18: 11,719,348 km (0.077 R)
• M19: 14,953,654 km (0.113 R)
• M20: 15,782,875 km (0.062 R)
• M21: 17,083,478 km (0.03 R)
• M22: 21,828,125 km (0.117 R)
• M23: 22,893,561 km (0.104 R)
• M24: 25,358,933 km (0.082 R)
• M25: 26,775,476 km (0.115 R)
• M26: 32,557,284 km (0.039 R)
• M27: 36,693,216 km (0.099 R)
• M28: 40,528,307 km (0.114 R)
• M29: 42,134,240 km (0.075 R)
• M30: 43,449,206 km (0.103 R)
• M31: 43,615,558 km (0.106 R)
• M32: 51,173,692 km (0.098 R)
• M33: 54,194,821 km (0.116 R)
• M34: 58,540,040 km (0.089 R)
• M35: 61,213,803 km (0.092 R)
• M36: 61,842,114 km (0.112 R)
• M37: 65,702,936 km (0.106 R)
• M38: 67,469,238 km (0.111 R)
• M39: 71,096,238 km (0.111 R)
• M40: 78,983,188 km (0.036 R)
• M41: 84,036,005 km (0.079 R)
• M42: 86,641,252 km (0.084 R)
• M43: 88,229,982 km (0.084 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 12,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit