🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.42 AU - 1.92 AU

Year: 935 Days

Day: 31.1 Hours

Environment

Temp: -96 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.16 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.5

Radius: 8

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.59 AU - 2.69 AU

Year: 1859 Days

Day: 10.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,050,803 km

• M1: 107,112 km (0.116 R)
• M2: 458,667 km (0.073 R)
• M3: 892,202 km (0.031 R)
• M4: 1,272,928 km (0.087 R)
• M5: 2,013,887 km (0.111 R)
• M6: 2,400,298 km (0.105 R)
• M7: 2,702,336 km (0.081 R)
• M8: 3,101,014 km (0.098 R)
• M9: 4,462,654 km (0.102 R)
• M10: 4,784,589 km (0.086 R)
• M11: 5,756,077 km (0.076 R)
• M12: 6,853,378 km (0.075 R)
• M13: 7,386,395 km (0.113 R)
• M14: 7,729,872 km (0.098 R)
• M15: 8,028,918 km (0.111 R)
• M16: 8,650,198 km (0.113 R)
• M17: 9,548,533 km (0.076 R)
• M18: 10,020,365 km (0.105 R)
• M19: 11,147,435 km (0.085 R)
• M20: 11,529,657 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.4

Radius: 10.7

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.87 AU - 3.15 AU

Year: 2264 Days

Day: 7.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,050,803 km

• M1: 161,117 km (0.087 R)
• M2: 707,149 km (0.086 R)
• M3: 1,734,587 km (0.039 R)
• M4: 2,178,893 km (0.099 R)
• M5: 2,790,599 km (0.107 R)
• M6: 3,679,509 km (0.11 R)
• M7: 4,190,087 km (0.099 R)
• M8: 4,974,728 km (0.072 R)
• M9: 5,958,483 km (0.11 R)
• M10: 6,413,859 km (0.101 R)
• M11: 7,244,576 km (0.097 R)
• M12: 10,057,016 km (0.109 R)
• M13: 10,860,207 km (0.055 R)
• M14: 11,955,263 km (0.108 R)
• M15: 13,710,495 km (0.097 R)
• M16: 14,649,671 km (0.096 R)
• M17: 15,731,862 km (0.098 R)
• M18: 16,087,157 km (0.115 R)
• M19: 17,078,542 km (0.091 R)
• M20: 18,276,970 km (0.116 R)
• M21: 18,613,266 km (0.119 R)
• M22: 19,010,897 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.2

Radius: 10.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.08 AU - 3.66 AU

Year: 2682 Days

Day: 9.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,050,803 km

• M1: 133,142 km (0.045 R)
• M2: 485,894 km (0.025 R)
• M3: 840,142 km (0.096 R)
• M4: 1,208,751 km (0.112 R)
• M5: 2,393,117 km (0.049 R)
• M6: 2,822,014 km (0.108 R)
• M7: 3,384,203 km (0.11 R)
• M8: 3,853,791 km (0.071 R)
• M9: 5,098,595 km (0.095 R)
• M10: 6,646,633 km (0.113 R)
• M11: 7,301,124 km (0.104 R)
• M12: 7,731,667 km (0.049 R)
• M13: 8,088,308 km (0.037 R)
• M14: 8,424,754 km (0.039 R)
• M15: 9,491,087 km (0.09 R)
• M16: 11,656,666 km (0.047 R)
• M17: 12,896,084 km (0.051 R)
• M18: 13,827,630 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.5

Radius: 12.2

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.05 AU - 3.92 AU

Year: 2814 Days

Day: 11.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,050,803 km

• M1: 151,692 km (0.043 R)
• M2: 558,898 km (0.078 R)
• M3: 1,073,365 km (0.067 R)
• M4: 1,602,343 km (0.045 R)
• M5: 2,366,190 km (0.078 R)
• M6: 2,788,953 km (0.096 R)
• M7: 3,897,473 km (0.094 R)
• M8: 4,451,733 km (0.056 R)
• M9: 5,036,512 km (0.119 R)
• M10: 5,577,906 km (0.094 R)
• M11: 7,048,304 km (0.119 R)
• M12: 7,698,007 km (0.085 R)
• M13: 8,511,221 km (0.097 R)
• M14: 9,182,766 km (0.09 R)
• M15: 10,960,886 km (0.085 R)
• M16: 12,148,095 km (0.026 R)
• M17: 12,711,630 km (0.116 R)
• M18: 15,234,150 km (0.106 R)
• M19: 15,889,837 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.1

Radius: 13

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.19 AU - 4.19 AU

Year: 3718 Days

Day: 11.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,050,803 km

• M1: 161,865 km (0.066 R)
• M2: 706,252 km (0.077 R)
• M3: 1,265,448 km (0.087 R)
• M4: 1,900,192 km (0.104 R)
• M5: 2,321,161 km (0.07 R)
• M6: 3,037,585 km (0.107 R)
• M7: 4,020,742 km (0.039 R)
• M8: 4,889,307 km (0.108 R)
• M9: 6,266,056 km (0.074 R)
• M10: 8,154,281 km (0.109 R)
• M11: 10,003,161 km (0.067 R)
• M12: 10,516,282 km (0.039 R)
• M13: 11,424,490 km (0.071 R)
• M14: 13,492,232 km (0.055 R)
• M15: 15,121,802 km (0.051 R)
• M16: 16,659,069 km (0.105 R)
• M17: 17,437,427 km (0.038 R)
• M18: 18,066,037 km (0.073 R)
• M19: 19,187,124 km (0.078 R)
• M20: 20,732,320 km (0.111 R)
• M21: 21,698,423 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.5

Radius: 12.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.11 AU - 8.73 AU

Year: 8761 Days

Day: 5.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,050,803 km

• M1: 153,188 km (0.106 R)
• M2: 543,788 km (0.087 R)
• M3: 1,002,156 km (0.102 R)
• M4: 1,628,373 km (0.114 R)
• M5: 2,121,747 km (0.096 R)
• M6: 2,579,815 km (0.084 R)
• M7: 3,346,804 km (0.112 R)
• M8: 3,747,576 km (0.108 R)
• M9: 4,233,620 km (0.079 R)
• M10: 4,618,385 km (0.112 R)
• M11: 6,983,827 km (0.09 R)
• M12: 7,643,254 km (0.086 R)
• M13: 13,188,399 km (0.109 R)
• M14: 16,839,784 km (0.105 R)
• M15: 18,970,656 km (0.103 R)
• M16: 21,435,580 km (0.11 R)
• M17: 23,504,518 km (0.073 R)
• M18: 25,074,249 km (0.106 R)
• M19: 30,812,524 km (0.095 R)
• M20: 32,691,174 km (0.046 R)
• M21: 33,442,006 km (0.116 R)
• M22: 34,534,519 km (0.115 R)
• M23: 34,978,226 km (0.038 R)
• M24: 35,763,765 km (0.054 R)
• M25: 37,486,534 km (0.069 R)
• M26: 39,023,801 km (0.07 R)
• M27: 40,479,837 km (0.09 R)
• M28: 40,973,062 km (0.088 R)
• M29: 41,720,602 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.3

Radius: 4.4

Gravity: 43.56 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 10.37 AU - 12.09 AU

Year: 16313 Days

Day: 20.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,050,803 km

• M1: 54,753 km (0.054 R)
• M2: 222,003 km (0.068 R)
• M3: 641,027 km (0.116 R)
• M4: 908,957 km (0.081 R)
• M5: 1,152,951 km (0.075 R)
• M6: 2,777,284 km (0.099 R)
• M7: 3,026,814 km (0.087 R)
• M8: 3,291,303 km (0.064 R)
• M9: 3,429,232 km (0.057 R)
• M10: 3,571,051 km (0.105 R)
• M11: 5,065,833 km (0.115 R)
• M12: 5,950,555 km (0.061 R)
• M13: 6,197,241 km (0.11 R)
• M14: 7,207,027 km (0.101 R)
• M15: 9,714,587 km (0.084 R)
• M16: 11,318,276 km (0.046 R)
• M17: 14,738,831 km (0.112 R)
• M18: 15,343,206 km (0.064 R)
• M19: 16,121,714 km (0.054 R)
• M20: 21,258,456 km (0.114 R)
• M21: 26,827,685 km (0.106 R)
• M22: 27,387,630 km (0.113 R)
• M23: 28,070,096 km (0.091 R)
• M24: 32,026,810 km (0.088 R)
• M25: 41,023,626 km (0.118 R)
• M26: 45,300,629 km (0.118 R)
• M27: 46,897,436 km (0.094 R)
• M28: 48,366,188 km (0.119 R)
• M29: 52,085,191 km (0.116 R)
• M30: 62,990,427 km (0.117 R)
• M31: 64,777,224 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.6

Radius: 7.3

Gravity: 17.54 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 9.91 AU - 14.19 AU

Year: 18132 Days

Day: 17.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,050,803 km

• M1: 90,806 km (0.067 R)
• M2: 336,446 km (0.094 R)
• M3: 781,050 km (0.081 R)
• M4: 1,168,808 km (0.071 R)
• M5: 2,222,725 km (0.103 R)
• M6: 2,582,358 km (0.087 R)
• M7: 4,702,908 km (0.089 R)
• M8: 5,775,226 km (0.098 R)
• M9: 8,932,788 km (0.097 R)
• M10: 10,199,583 km (0.085 R)
• M11: 12,943,208 km (0.097 R)
• M12: 13,227,743 km (0.071 R)
• M13: 17,750,087 km (0.079 R)
• M14: 19,928,680 km (0.091 R)
• M15: 21,675,235 km (0.081 R)
• M16: 25,581,385 km (0.056 R)
• M17: 26,369,617 km (0.118 R)
• M18: 40,215,797 km (0.095 R)
• M19: 40,822,267 km (0.062 R)
• M20: 41,743,341 km (0.069 R)
• M21: 54,083,520 km (0.106 R)
• M22: 67,362,425 km (0.099 R)
• M23: 69,296,726 km (0.097 R)
• M24: 73,050,735 km (0.111 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 16,830 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit