🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.8 AU - 1.04 AU

Year: 322 Days

Day: 15.2 Hours

Environment

Temp: 158 °C

Axial Tilt: 45.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.42 AU - 4 AU

Year: 2610 Days

Day: 13.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 45.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.9

Radius: 14.3

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.01 AU - 6.41 AU

Year: 5652 Days

Day: 6.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 107,141,920 km

• M1: 177,872 km (0.12 R)
• M2: 689,347 km (0.062 R)
• M3: 1,897,350 km (0.082 R)
• M4: 2,808,700 km (0.088 R)
• M5: 3,505,826 km (0.09 R)
• M6: 5,062,542 km (0.041 R)
• M7: 7,241,285 km (0.115 R)
• M8: 9,453,837 km (0.101 R)
• M9: 11,616,723 km (0.112 R)
• M10: 14,518,473 km (0.1 R)
• M11: 15,174,460 km (0.084 R)
• M12: 17,443,710 km (0.048 R)
• M13: 19,141,796 km (0.092 R)
• M14: 20,741,745 km (0.095 R)
• M15: 21,644,718 km (0.103 R)
• M16: 22,791,984 km (0.112 R)
• M17: 23,306,451 km (0.119 R)
• M18: 25,051,659 km (0.083 R)
• M19: 25,521,098 km (0.059 R)
• M20: 27,872,626 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.1

Radius: 12.9

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 8.56 AU - 10.7 AU

Year: 10915 Days

Day: 6.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 107,141,920 km

• M1: 160,668 km (0.107 R)
• M2: 712,684 km (0.064 R)
• M3: 1,286,841 km (0.09 R)
• M4: 3,504,629 km (0.049 R)
• M5: 3,975,563 km (0.099 R)
• M6: 5,143,025 km (0.094 R)
• M7: 7,665,245 km (0.098 R)
• M8: 9,765,300 km (0.114 R)
• M9: 11,759,739 km (0.089 R)
• M10: 12,283,332 km (0.116 R)
• M11: 13,948,356 km (0.114 R)
• M12: 22,040,404 km (0.12 R)
• M13: 28,756,451 km (0.077 R)
• M14: 33,727,438 km (0.062 R)
• M15: 39,243,411 km (0.049 R)
• M16: 39,891,170 km (0.097 R)
• M17: 41,743,042 km (0.101 R)
• M18: 50,179,464 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.6

Radius: 11.2

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.4 AU - 10.74 AU

Year: 11672 Days

Day: 14.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 107,141,920 km

• M1: 139,425 km (0.041 R)
• M2: 1,538,315 km (0.119 R)
• M3: 3,015,594 km (0.114 R)
• M4: 3,471,419 km (0.059 R)
• M5: 3,894,781 km (0.12 R)
• M6: 4,408,649 km (0.058 R)
• M7: 5,248,342 km (0.081 R)
• M8: 7,647,443 km (0.06 R)
• M9: 8,023,532 km (0.106 R)
• M10: 8,722,603 km (0.091 R)
• M11: 9,133,548 km (0.092 R)
• M12: 13,077,995 km (0.088 R)
• M13: 14,739,579 km (0.106 R)
• M14: 15,990,367 km (0.116 R)
• M15: 19,310,093 km (0.12 R)
• M16: 20,325,713 km (0.085 R)
• M17: 23,586,498 km (0.097 R)
• M18: 25,851,260 km (0.052 R)
• M19: 27,374,466 km (0.116 R)
• M20: 30,494,778 km (0.112 R)
• M21: 33,288,518 km (0.049 R)
• M22: 38,519,806 km (0.114 R)
• M23: 40,127,385 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.9

Radius: 5.8

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 13.14 AU - 18.8 AU

Year: 23310 Days

Day: 19 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 107,141,920 km

• M1: 72,106 km (0.1 R)
• M2: 507,586 km (0.106 R)
• M3: 834,457 km (0.089 R)
• M4: 1,152,352 km (0.081 R)
• M5: 1,908,869 km (0.049 R)
• M6: 2,239,630 km (0.084 R)
• M7: 5,170,551 km (0.073 R)
• M8: 6,474,147 km (0.098 R)
• M9: 6,751,950 km (0.077 R)
• M10: 8,506,584 km (0.075 R)
• M11: 9,847,429 km (0.116 R)
• M12: 10,030,088 km (0.074 R)
• M13: 12,350,202 km (0.09 R)
• M14: 12,562,780 km (0.068 R)
• M15: 30,575,262 km (0.1 R)
• M16: 31,062,651 km (0.067 R)
• M17: 32,152,771 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.6

Radius: 5.2

Gravity: 13.89 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 14 AU - 22.08 AU

Year: 27986 Days

Day: 19.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 107,141,920 km

• M1: 64,626 km (0.086 R)
• M2: 427,252 km (0.111 R)
• M3: 615,595 km (0.059 R)
• M4: 904,918 km (0.08 R)
• M5: 1,140,833 km (0.072 R)
• M6: 1,464,713 km (0.09 R)
• M7: 2,406,282 km (0.044 R)
• M8: 2,712,509 km (0.099 R)
• M9: 3,606,655 km (0.032 R)
• M10: 7,446,084 km (0.109 R)
• M11: 10,822,359 km (0.083 R)
• M12: 11,852,340 km (0.042 R)
• M13: 12,187,290 km (0.108 R)
• M14: 14,941,686 km (0.057 R)
• M15: 21,149,100 km (0.093 R)
• M16: 42,518,258 km (0.097 R)
• M17: 52,395,757 km (0.034 R)
• M18: 61,080,212 km (0.054 R)
• M19: 71,334,398 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.8

Radius: 5

Gravity: 28.67 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 16.94 AU - 23.06 AU

Year: 32669 Days

Day: 23.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 107,141,920 km

• M1: 70,760 km (0.112 R)
• M2: 697,126 km (0.075 R)
• M3: 1,053,917 km (0.09 R)
• M4: 1,331,271 km (0.095 R)
• M5: 1,487,601 km (0.098 R)
• M6: 2,146,430 km (0.114 R)
• M7: 2,463,578 km (0.116 R)
• M8: 2,895,916 km (0.093 R)
• M9: 3,345,756 km (0.12 R)
• M10: 3,670,533 km (0.099 R)
• M11: 4,052,008 km (0.106 R)
• M12: 6,661,444 km (0.083 R)
• M13: 7,175,462 km (0.088 R)
• M14: 9,754,978 km (0.063 R)
• M15: 10,417,098 km (0.032 R)
• M16: 10,967,917 km (0.101 R)
• M17: 12,971,033 km (0.108 R)
• M18: 14,350,176 km (0.06 R)
• M19: 15,292,792 km (0.091 R)
• M20: 16,003,831 km (0.104 R)
• M21: 18,666,374 km (0.114 R)
• M22: 23,423,436 km (0.118 R)
• M23: 24,128,940 km (0.055 R)
• M24: 26,079,397 km (0.053 R)
• M25: 26,837,110 km (0.079 R)
• M26: 29,741,253 km (0.12 R)
• M27: 30,429,254 km (0.052 R)
• M28: 31,837,120 km (0.115 R)
• M29: 34,179,074 km (0.104 R)
• M30: 34,630,561 km (0.075 R)
• M31: 36,790,604 km (0.059 R)
• M32: 39,531,985 km (0.077 R)
• M33: 41,718,059 km (0.081 R)
• M34: 44,160,843 km (0.069 R)
• M35: 45,598,777 km (0.116 R)
• M36: 48,189,663 km (0.106 R)
• M37: 50,293,009 km (0.12 R)
• M38: 58,029,014 km (0.109 R)
• M39: 65,128,630 km (0.115 R)
• M40: 76,060,195 km (0.096 R)
• M41: 78,644,947 km (0.086 R)
• M42: 87,308,608 km (0.089 R)
• M43: 90,141,095 km (0.053 R)
• M44: 95,095,776 km (0.11 R)
• M45: 103,647,090 km (0.04 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: 215 - 12,488 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit