🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.41 AU - 0.65 AU

Year: 249 Days

Day: 14.9 Hours

Environment

Temp: -114 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.3

Radius: 10.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.91 AU - 1.43 AU

Year: 817 Days

Day: 10.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,400,074 km

• M1: 132,095 km (0.047 R)
• M2: 533,017 km (0.057 R)
• M3: 879,336 km (0.119 R)
• M4: 2,724,177 km (0.085 R)
• M5: 3,121,509 km (0.115 R)
• M6: 4,661,470 km (0.047 R)
• M7: 5,474,684 km (0.055 R)
• M8: 5,906,274 km (0.1 R)
• M9: 6,321,707 km (0.096 R)
• M10: 7,023,022 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.7

Radius: 12.4

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.32 AU - 1.84 AU

Year: 1282 Days

Day: 13.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,400,074 km

• M1: 154,535 km (0.095 R)
• M2: 629,807 km (0.066 R)
• M3: 1,081,593 km (0.068 R)
• M4: 1,475,633 km (0.092 R)
• M5: 1,888,524 km (0.03 R)
• M6: 2,473,302 km (0.118 R)
• M7: 2,928,229 km (0.074 R)
• M8: 3,780,338 km (0.095 R)
• M9: 4,213,125 km (0.072 R)
• M10: 4,697,523 km (0.088 R)
• M11: 5,546,191 km (0.094 R)
• M12: 6,062,753 km (0.105 R)
• M13: 6,995,346 km (0.106 R)
• M14: 7,445,187 km (0.071 R)
• M15: 8,375,386 km (0.037 R)
• M16: 9,203,560 km (0.098 R)
• M17: 10,085,589 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.2

Radius: 10

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.51 AU - 3.79 AU

Year: 3610 Days

Day: 7.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,400,074 km

• M1: 124,316 km (0.042 R)
• M2: 509,979 km (0.056 R)
• M3: 1,374,804 km (0.117 R)
• M4: 1,713,195 km (0.113 R)
• M5: 2,149,123 km (0.103 R)
• M6: 2,789,103 km (0.057 R)
• M7: 3,100,266 km (0.089 R)
• M8: 3,473,513 km (0.087 R)
• M9: 3,939,660 km (0.065 R)
• M10: 4,633,794 km (0.116 R)
• M11: 5,756,676 km (0.091 R)
• M12: 6,323,203 km (0.041 R)
• M13: 7,083,310 km (0.094 R)
• M14: 9,230,937 km (0.095 R)
• M15: 11,735,953 km (0.026 R)
• M16: 14,152,557 km (0.057 R)
• M17: 15,450,618 km (0.098 R)
• M18: 22,252,234 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.4

Radius: 13.8

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.44 AU - 3.54 AU

Year: 4210 Days

Day: 6 Hours

Environment

Temp: -202 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,400,074 km

• M1: 171,589 km (0.081 R)
• M2: 968,347 km (0.055 R)
• M3: 1,768,696 km (0.08 R)
• M4: 2,658,953 km (0.093 R)
• M5: 3,488,473 km (0.038 R)
• M6: 4,459,812 km (0.109 R)
• M7: 5,808,287 km (0.081 R)
• M8: 6,970,064 km (0.101 R)
• M9: 7,413,322 km (0.101 R)
• M10: 8,169,241 km (0.102 R)
• M11: 9,216,276 km (0.073 R)
• M12: 9,751,388 km (0.068 R)
• M13: 12,298,142 km (0.098 R)
• M14: 13,619,989 km (0.045 R)
• M15: 14,315,469 km (0.069 R)
• M16: 15,603,956 km (0.102 R)
• M17: 16,069,803 km (0.079 R)
• M18: 19,798,081 km (0.079 R)
• M19: 20,344,413 km (0.112 R)
• M20: 23,455,899 km (0.05 R)
• M21: 24,847,907 km (0.095 R)
• M22: 25,644,815 km (0.032 R)
• M23: 27,457,792 km (0.044 R)
• M24: 28,481,939 km (0.088 R)
• M25: 29,620,079 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.6

Radius: 12

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.57 AU - 5.49 AU

Year: 6225 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,400,074 km

• M1: 149,299 km (0.058 R)
• M2: 634,145 km (0.07 R)
• M3: 1,015,620 km (0.085 R)
• M4: 1,472,791 km (0.103 R)
• M5: 2,743,775 km (0.094 R)
• M6: 3,343,363 km (0.114 R)
• M7: 3,860,971 km (0.114 R)
• M8: 5,558,608 km (0.067 R)
• M9: 5,995,284 km (0.078 R)
• M10: 6,590,534 km (0.103 R)
• M11: 7,297,683 km (0.063 R)
• M12: 8,292,060 km (0.099 R)
• M13: 9,593,113 km (0.088 R)
• M14: 10,929,471 km (0.072 R)
• M15: 11,718,001 km (0.081 R)
• M16: 12,333,896 km (0.09 R)
• M17: 12,809,916 km (0.066 R)
• M18: 15,195,853 km (0.079 R)
• M19: 18,133,655 km (0.115 R)
• M20: 19,379,806 km (0.119 R)
• M21: 21,054,404 km (0.118 R)
• M22: 22,587,184 km (0.066 R)
• M23: 23,622,551 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.4

Radius: 8.8

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.77 AU - 5.61 AU

Year: 6558 Days

Day: 6.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,400,074 km

• M1: 109,506 km (0.109 R)
• M2: 468,690 km (0.113 R)
• M3: 814,560 km (0.104 R)
• M4: 1,439,281 km (0.087 R)
• M5: 1,971,700 km (0.094 R)
• M6: 2,530,298 km (0.098 R)
• M7: 3,020,082 km (0.12 R)
• M8: 3,656,022 km (0.09 R)
• M9: 5,867,079 km (0.079 R)
• M10: 6,195,147 km (0.063 R)
• M11: 6,535,482 km (0.116 R)
• M12: 6,986,669 km (0.038 R)
• M13: 7,389,836 km (0.098 R)
• M14: 8,132,589 km (0.096 R)
• M15: 9,159,728 km (0.084 R)
• M16: 10,100,998 km (0.068 R)
• M17: 10,399,894 km (0.061 R)
• M18: 11,515,745 km (0.05 R)
• M19: 12,222,595 km (0.086 R)
• M20: 13,670,702 km (0.05 R)
• M21: 14,679,441 km (0.109 R)
• M22: 16,844,571 km (0.091 R)
• M23: 19,344,650 km (0.059 R)
• M24: 23,767,960 km (0.09 R)
• M25: 25,537,853 km (0.061 R)
• M26: 26,093,459 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.1

Radius: 12.5

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.23 AU - 5.53 AU

Year: 8057 Days

Day: 8.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,400,074 km

• M1: 156,779 km (0.082 R)
• M2: 640,428 km (0.035 R)
• M3: 1,142,479 km (0.035 R)
• M4: 1,576,762 km (0.088 R)
• M5: 2,091,079 km (0.079 R)
• M6: 3,694,619 km (0.112 R)
• M7: 5,217,076 km (0.081 R)
• M8: 5,807,838 km (0.102 R)
• M9: 8,884,767 km (0.046 R)
• M10: 10,194,347 km (0.115 R)
• M11: 13,939,230 km (0.08 R)
• M12: 15,017,532 km (0.073 R)
• M13: 17,272,271 km (0.114 R)
• M14: 22,282,902 km (0.08 R)
• M15: 23,589,041 km (0.099 R)
• M16: 25,731,133 km (0.085 R)
• M17: 30,497,770 km (0.099 R)
• M18: 32,004,520 km (0.037 R)
• M19: 32,621,012 km (0.12 R)
• M20: 37,272,908 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.5

Radius: 7.6

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.31 AU - 10.67 AU

Year: 18876 Days

Day: 15.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,400,074 km

• M1: 99,333 km (0.116 R)
• M2: 383,719 km (0.071 R)
• M3: 937,829 km (0.105 R)
• M4: 1,203,664 km (0.068 R)
• M5: 1,682,078 km (0.11 R)
• M6: 2,080,308 km (0.084 R)
• M7: 2,585,201 km (0.085 R)
• M8: 4,530,123 km (0.073 R)
• M9: 5,720,922 km (0.109 R)
• M10: 7,017,935 km (0.056 R)
• M11: 7,522,080 km (0.085 R)
• M12: 8,099,378 km (0.09 R)
• M13: 9,073,410 km (0.048 R)
• M14: 9,451,145 km (0.096 R)
• M15: 10,766,858 km (0.055 R)
• M16: 11,625,251 km (0.079 R)
• M17: 13,757,170 km (0.084 R)
• M18: 14,989,856 km (0.068 R)
• M19: 15,748,317 km (0.078 R)
• M20: 17,589,718 km (0.094 R)
• M21: 20,292,502 km (0.063 R)
• M22: 21,314,705 km (0.116 R)
• M23: 21,599,240 km (0.058 R)
• M24: 23,360,605 km (0.096 R)
• M25: 24,379,367 km (0.081 R)
• M26: 25,110,003 km (0.085 R)
• M27: 27,613,373 km (0.05 R)
• M28: 31,366,335 km (0.075 R)
• M29: 36,113,824 km (0.068 R)
• M30: 37,337,085 km (0.026 R)
• M31: 37,750,873 km (0.106 R)
• M32: 45,732,368 km (0.079 R)
• M33: 46,683,212 km (0.076 R)
• M34: 47,485,506 km (0.102 R)
• M35: 51,125,222 km (0.119 R)
• M36: 51,464,959 km (0.066 R)
• M37: 60,458,483 km (0.103 R)
• M38: 65,724,478 km (0.079 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: 432 - 14,189 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit