🌌 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: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.7

Radius: 9.3

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.55 AU - 0.75 AU

Year: 355 Days

Day: 11 Hours

Environment

Temp: -164 °C

Axial Tilt: 84.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,198,192 km

• M1: 115,789 km (0.072 R)
• M2: 471,832 km (0.115 R)
• M3: 853,605 km (0.076 R)
• M4: 1,601,445 km (0.107 R)
• M5: 1,937,292 km (0.116 R)
• M6: 2,473,601 km (0.061 R)
• M7: 2,935,858 km (0.064 R)
• M8: 3,378,818 km (0.073 R)
• M9: 3,877,726 km (0.032 R)
• M10: 4,437,970 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.5

Radius: 9.1

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.66 AU - 0.72 AU

Year: 389 Days

Day: 9.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,198,192 km

• M1: 113,694 km (0.115 R)
• M2: 404,064 km (0.093 R)
• M3: 867,668 km (0.104 R)
• M4: 1,783,356 km (0.104 R)
• M5: 2,200,285 km (0.061 R)
• M6: 2,585,201 km (0.1 R)
• M7: 2,900,553 km (0.12 R)
• M8: 3,631,488 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.8

Radius: 8.3

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.43 AU - 2.21 AU

Year: 1665 Days

Day: 10.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,198,192 km

• M1: 103,223 km (0.067 R)
• M2: 556,953 km (0.064 R)
• M3: 948,600 km (0.093 R)
• M4: 2,091,378 km (0.093 R)
• M5: 2,729,413 km (0.111 R)
• M6: 3,508,070 km (0.038 R)
• M7: 4,527,430 km (0.071 R)
• M8: 4,794,761 km (0.095 R)
• M9: 5,204,660 km (0.094 R)
• M10: 6,396,057 km (0.119 R)
• M11: 6,947,176 km (0.099 R)
• M12: 8,356,088 km (0.072 R)
• M13: 14,408,220 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.6

Radius: 14.6

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.29 AU - 2.77 AU

Year: 2729 Days

Day: 11.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,198,192 km

• M1: 181,761 km (0.092 R)
• M2: 635,941 km (0.109 R)
• M3: 1,094,009 km (0.104 R)
• M4: 1,571,376 km (0.064 R)
• M5: 2,191,459 km (0.112 R)
• M6: 2,828,148 km (0.116 R)
• M7: 3,313,892 km (0.101 R)
• M8: 4,500,203 km (0.114 R)
• M9: 6,060,659 km (0.085 R)
• M10: 6,701,835 km (0.116 R)
• M11: 8,187,043 km (0.087 R)
• M12: 9,078,347 km (0.119 R)
• M13: 10,263,162 km (0.058 R)
• M14: 12,143,906 km (0.091 R)
• M15: 12,939,169 km (0.037 R)
• M16: 17,392,398 km (0.112 R)
• M17: 18,748,952 km (0.088 R)
• M18: 19,275,536 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.5

Radius: 14.3

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.97 AU - 3.05 AU

Year: 3542 Days

Day: 6.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,198,192 km

• M1: 191,485 km (0.06 R)
• M2: 805,734 km (0.038 R)
• M3: 1,691,802 km (0.118 R)
• M4: 2,202,230 km (0.066 R)
• M5: 4,199,960 km (0.025 R)
• M6: 4,820,043 km (0.065 R)
• M7: 6,328,588 km (0.084 R)
• M8: 6,817,025 km (0.077 R)
• M9: 9,612,262 km (0.097 R)
• M10: 10,534,532 km (0.071 R)
• M11: 16,266,824 km (0.075 R)
• M12: 17,077,495 km (0.081 R)
• M13: 18,720,977 km (0.092 R)
• M14: 20,968,086 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.6

Radius: 12.1

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.7 AU - 3.94 AU

Year: 5064 Days

Day: 6.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,198,192 km

• M1: 150,495 km (0.039 R)
• M2: 603,927 km (0.071 R)
• M3: 1,134,101 km (0.086 R)
• M4: 1,525,001 km (0.11 R)
• M5: 2,414,061 km (0.072 R)
• M6: 3,699,256 km (0.047 R)
• M7: 4,605,370 km (0.087 R)
• M8: 5,099,043 km (0.041 R)
• M9: 6,446,920 km (0.036 R)
• M10: 7,375,025 km (0.101 R)
• M11: 8,019,643 km (0.057 R)
• M12: 9,496,024 km (0.118 R)
• M13: 10,103,691 km (0.071 R)
• M14: 10,616,362 km (0.081 R)
• M15: 11,822,869 km (0.119 R)
• M16: 19,499,634 km (0.087 R)
• M17: 19,986,874 km (0.026 R)
• M18: 21,562,139 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.2

Radius: 9.9

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.99 AU - 6.41 AU

Year: 8043 Days

Day: 6.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,198,192 km

• M1: 124,017 km (0.048 R)
• M2: 455,675 km (0.112 R)
• M3: 993,629 km (0.094 R)
• M4: 1,334,862 km (0.035 R)
• M5: 1,696,290 km (0.066 R)
• M6: 2,887,987 km (0.06 R)
• M7: 3,826,414 km (0.081 R)
• M8: 4,422,861 km (0.067 R)
• M9: 7,693,370 km (0.096 R)
• M10: 8,510,024 km (0.108 R)
• M11: 8,916,482 km (0.09 R)
• M12: 9,430,799 km (0.096 R)
• M13: 10,014,381 km (0.105 R)
• M14: 10,777,629 km (0.111 R)
• M15: 11,146,687 km (0.068 R)
• M16: 13,786,940 km (0.112 R)
• M17: 14,475,240 km (0.102 R)
• M18: 14,860,155 km (0.096 R)
• M19: 15,251,952 km (0.09 R)
• M20: 15,785,119 km (0.06 R)
• M21: 17,822,492 km (0.084 R)
• M22: 18,265,002 km (0.078 R)
• M23: 19,095,271 km (0.099 R)
• M24: 20,749,823 km (0.072 R)
• M25: 21,075,498 km (0.076 R)
• M26: 29,236,510 km (0.068 R)
• M27: 36,849,845 km (0.058 R)
• M28: 37,207,982 km (0.09 R)
• M29: 38,174,235 km (0.117 R)
• M30: 45,962,151 km (0.029 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.1

Radius: 11.9

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.2 AU - 5.96 AU

Year: 8940 Days

Day: 6.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,198,192 km

• M1: 148,102 km (0.096 R)
• M2: 962,064 km (0.082 R)
• M3: 1,817,764 km (0.117 R)
• M4: 2,199,089 km (0.119 R)
• M5: 2,841,761 km (0.082 R)
• M6: 3,361,165 km (0.069 R)
• M7: 4,329,811 km (0.086 R)
• M8: 5,645,375 km (0.025 R)
• M9: 6,138,449 km (0.115 R)
• M10: 6,853,527 km (0.095 R)
• M11: 7,333,288 km (0.038 R)
• M12: 7,964,441 km (0.045 R)
• M13: 9,627,670 km (0.042 R)
• M14: 13,077,547 km (0.109 R)
• M15: 16,135,327 km (0.106 R)
• M16: 17,204,054 km (0.109 R)
• M17: 18,471,597 km (0.075 R)
• M18: 19,960,694 km (0.116 R)
• M19: 25,095,192 km (0.061 R)
• M20: 27,018,273 km (0.102 R)
• M21: 28,831,399 km (0.075 R)
• M22: 30,724,261 km (0.088 R)
• M23: 34,639,836 km (0.103 R)
• M24: 38,375,444 km (0.073 R)
• M25: 43,853,569 km (0.097 R)
• M26: 45,930,137 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.6

Radius: 5.2

Gravity: 25.17 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 7.6 AU - 8.38 AU

Year: 15318 Days

Day: 17.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 60 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,198,192 km

• M1: 65,973 km (0.11 R)
• M2: 274,662 km (0.081 R)
• M3: 521,199 km (0.119 R)
• M4: 2,204,325 km (0.101 R)
• M5: 3,831,052 km (0.104 R)
• M6: 4,313,954 km (0.053 R)
• M7: 4,701,861 km (0.063 R)
• M8: 6,164,629 km (0.097 R)
• M9: 6,656,806 km (0.118 R)
• M10: 12,261,939 km (0.099 R)
• M11: 12,517,303 km (0.063 R)
• M12: 12,711,181 km (0.079 R)
• M13: 14,265,055 km (0.037 R)
• M14: 14,762,019 km (0.114 R)
• M15: 14,978,487 km (0.077 R)
• M16: 15,270,352 km (0.111 R)
• M17: 18,568,985 km (0.052 R)
• M18: 25,585,873 km (0.098 R)
• M19: 31,488,706 km (0.103 R)
• M20: 34,690,400 km (0.11 R)
• M21: 35,330,080 km (0.117 R)
• M22: 36,238,588 km (0.079 R)
• M23: 38,237,964 km (0.041 R)
• M24: 38,510,082 km (0.114 R)
• M25: 38,783,398 km (0.088 R)
• M26: 46,351,853 km (0.1 R)
• M27: 46,816,205 km (0.038 R)
• M28: 48,704,878 km (0.106 R)
• M29: 49,991,868 km (0.12 R)
• M30: 51,301,448 km (0.087 R)
• M31: 53,139,108 km (0.119 R)
• M32: 57,300,024 km (0.074 R)
• M33: 60,744,066 km (0.106 R)
• M34: 60,929,118 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.5

Radius: 6.1

Gravity: 13.75 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.78 AU - 9.42 AU

Year: 17106 Days

Day: 20.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,198,192 km

• M1: 403,166 km (0.111 R)
• M2: 989,440 km (0.116 R)
• M3: 1,483,861 km (0.079 R)
• M4: 1,873,265 km (0.045 R)
• M5: 2,111,424 km (0.045 R)
• M6: 2,671,519 km (0.081 R)
• M7: 3,171,774 km (0.08 R)
• M8: 5,513,280 km (0.117 R)
• M9: 5,812,625 km (0.099 R)
• M10: 6,281,764 km (0.039 R)
• M11: 6,566,898 km (0.059 R)
• M12: 8,511,820 km (0.082 R)
• M13: 10,985,570 km (0.089 R)
• M14: 13,764,500 km (0.036 R)
• M15: 15,169,822 km (0.093 R)
• M16: 16,979,209 km (0.06 R)
• M17: 19,609,139 km (0.115 R)
• M18: 22,216,331 km (0.107 R)
• M19: 24,944,398 km (0.067 R)
• M20: 26,179,029 km (0.102 R)
• M21: 28,881,066 km (0.07 R)
• M22: 29,104,864 km (0.077 R)
• M23: 35,212,796 km (0.085 R)
• M24: 37,824,176 km (0.107 R)
• M25: 38,092,255 km (0.09 R)
• M26: 55,727,600 km (0.072 R)
• M27: 57,124,695 km (0.1 R)
• M28: 58,544,828 km (0.092 R)
• M29: 60,719,083 km (0.089 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 19,989 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit