🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.63 AU - 0.69 AU

Year: 352 Days

Day: 45.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.9

Radius: 11.2

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.24 AU - 1.64 AU

Year: 1134 Days

Day: 14.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,850,482 km

• M1: 139,276 km (0.086 R)
• M2: 665,561 km (0.043 R)
• M3: 1,227,899 km (0.114 R)
• M4: 1,655,749 km (0.098 R)
• M5: 2,492,749 km (0.066 R)
• M6: 2,994,650 km (0.078 R)
• M7: 5,651,957 km (0.103 R)
• M8: 6,371,822 km (0.099 R)
• M9: 7,747,225 km (0.099 R)
• M10: 8,221,600 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.4

Radius: 10.2

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.59 AU - 1.79 AU

Year: 1441 Days

Day: 11.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 13,850,482 km

• M1: 126,859 km (0.081 R)
• M2: 479,910 km (0.102 R)
• M3: 829,371 km (0.11 R)
• M4: 1,595,461 km (0.118 R)
• M5: 2,095,417 km (0.093 R)
• M6: 2,549,896 km (0.066 R)
• M7: 3,847,807 km (0.056 R)
• M8: 4,321,434 km (0.1 R)
• M9: 5,609,621 km (0.088 R)
• M10: 6,770,500 km (0.119 R)
• M11: 7,969,228 km (0.118 R)
• M12: 8,528,575 km (0.119 R)
• M13: 9,304,090 km (0.049 R)
• M14: 9,824,691 km (0.104 R)
• M15: 10,606,938 km (0.11 R)
• M16: 13,488,941 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.5

Radius: 12.5

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.73 AU - 2.45 AU

Year: 1982 Days

Day: 11 Hours

Environment

Temp: -181 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,850,482 km

• M1: 160,369 km (0.101 R)
• M2: 639,680 km (0.119 R)
• M3: 1,110,315 km (0.114 R)
• M4: 1,561,802 km (0.104 R)
• M5: 2,216,143 km (0.109 R)
• M6: 2,619,309 km (0.084 R)
• M7: 3,009,610 km (0.111 R)
• M8: 4,390,398 km (0.111 R)
• M9: 5,268,239 km (0.105 R)
• M10: 5,700,876 km (0.077 R)
• M11: 6,724,125 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.7

Radius: 14.7

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.55 AU - 3.97 AU

Year: 3861 Days

Day: 9 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,850,482 km

• M1: 183,706 km (0.109 R)
• M2: 850,464 km (0.075 R)
• M3: 1,415,046 km (0.102 R)
• M4: 3,482,040 km (0.104 R)
• M5: 6,634,217 km (0.071 R)
• M6: 7,486,925 km (0.086 R)
• M7: 9,527,440 km (0.089 R)
• M8: 10,121,194 km (0.117 R)
• M9: 11,036,733 km (0.064 R)
• M10: 13,129,308 km (0.069 R)
• M11: 16,130,091 km (0.071 R)
• M12: 21,248,283 km (0.048 R)
• M13: 22,471,246 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.6

Radius: 8.6

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.98 AU - 6.28 AU

Year: 8763 Days

Day: 6.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 13,850,482 km

• M1: 107,112 km (0.063 R)
• M2: 439,219 km (0.094 R)
• M3: 1,268,141 km (0.099 R)
• M4: 1,677,890 km (0.053 R)
• M5: 2,191,010 km (0.066 R)
• M6: 2,907,734 km (0.117 R)
• M7: 3,275,445 km (0.114 R)
• M8: 3,625,355 km (0.026 R)
• M9: 3,897,773 km (0.078 R)
• M10: 5,220,517 km (0.118 R)
• M11: 5,865,733 km (0.071 R)
• M12: 7,007,314 km (0.03 R)
• M13: 8,080,379 km (0.075 R)
• M14: 8,898,680 km (0.113 R)
• M15: 12,505,484 km (0.113 R)
• M16: 14,260,417 km (0.081 R)
• M17: 18,908,273 km (0.094 R)
• M18: 23,694,807 km (0.081 R)
• M19: 25,274,560 km (0.041 R)
• M20: 26,458,478 km (0.082 R)
• M21: 32,510,609 km (0.106 R)
• M22: 33,475,067 km (0.093 R)
• M23: 34,569,076 km (0.111 R)
• M24: 40,031,642 km (0.115 R)
• M25: 41,763,686 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.7

Radius: 13.4

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.67 AU - 6.09 AU

Year: 9354 Days

Day: 6.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 13,850,482 km

• M1: 169,494 km (0.083 R)
• M2: 1,094,907 km (0.072 R)
• M3: 1,963,472 km (0.049 R)
• M4: 3,229,968 km (0.082 R)
• M5: 7,468,973 km (0.107 R)
• M6: 8,410,991 km (0.065 R)
• M7: 9,287,036 km (0.111 R)
• M8: 9,821,549 km (0.089 R)
• M9: 11,005,616 km (0.043 R)
• M10: 11,549,404 km (0.096 R)
• M11: 13,047,328 km (0.091 R)
• M12: 15,667,385 km (0.069 R)
• M13: 16,216,858 km (0.093 R)
• M14: 20,839,133 km (0.106 R)
• M15: 22,012,279 km (0.114 R)
• M16: 23,674,013 km (0.111 R)
• M17: 24,765,778 km (0.08 R)
• M18: 26,854,164 km (0.111 R)
• M19: 32,033,093 km (0.073 R)
• M20: 35,206,213 km (0.066 R)
• M21: 35,912,465 km (0.085 R)
• M22: 36,989,570 km (0.083 R)
• M23: 41,907,300 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341

Radius: 4

Gravity: 21.31 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.93 AU - 6.39 AU

Year: 10030 Days

Day: 15.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 13,850,482 km

• M1: 50,414 km (0.099 R)
• M2: 278,850 km (0.078 R)
• M3: 422,315 km (0.066 R)
• M4: 622,626 km (0.09 R)
• M5: 911,350 km (0.075 R)
• M6: 1,868,029 km (0.073 R)
• M7: 2,168,720 km (0.087 R)
• M8: 2,446,374 km (0.114 R)
• M9: 2,669,724 km (0.074 R)
• M10: 6,443,479 km (0.107 R)
• M11: 7,126,693 km (0.095 R)
• M12: 7,621,264 km (0.06 R)
• M13: 8,178,815 km (0.052 R)
• M14: 9,419,879 km (0.092 R)
• M15: 9,783,102 km (0.05 R)
• M16: 10,297,719 km (0.109 R)
• M17: 10,489,204 km (0.118 R)
• M18: 10,781,070 km (0.095 R)
• M19: 12,811,113 km (0.08 R)
• M20: 15,579,122 km (0.068 R)
• M21: 16,539,989 km (0.101 R)
• M22: 17,269,429 km (0.109 R)
• M23: 18,720,977 km (0.11 R)
• M24: 19,806,160 km (0.06 R)
• M25: 23,230,455 km (0.048 R)
• M26: 27,211,254 km (0.113 R)
• M27: 35,174,798 km (0.059 R)
• M28: 36,711,317 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 13

Radius: 3.4

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.55 AU - 6.77 AU

Year: 11275 Days

Day: 24.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 13,850,482 km

• M1: 42,336 km (0.104 R)
• M2: 185,352 km (0.08 R)
• M3: 486,343 km (0.094 R)
• M4: 670,498 km (0.116 R)
• M5: 2,156,753 km (0.113 R)
• M6: 2,493,348 km (0.096 R)
• M7: 4,251,272 km (0.11 R)
• M8: 5,821,152 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 20,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit