🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.21 AU - 1.31 AU

Year: 512 Days

Day: 47.5 Hours

Environment

Temp: -6 °C

Axial Tilt: 33.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.87 AU - 1.97 AU

Year: 962 Days

Day: 25.7 Hours

Environment

Temp: -62 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 60,867,645 km

• M1: 790,026 km (0.052 R)
• M2: 1,513,930 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.29 AU - 5.17 AU

Year: 3146 Days

Day: 47.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,867,645 km

• M1: 308,022 km (0.116 R)

Asteroid Belt

Center: 6.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.3

Radius: 10.6

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.24 AU - 11.62 AU

Year: 10473 Days

Day: 9.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,867,645 km

• M1: 133,142 km (0.081 R)
• M2: 593,754 km (0.06 R)
• M3: 991,385 km (0.072 R)
• M4: 1,896,751 km (0.101 R)
• M5: 3,099,817 km (0.079 R)
• M6: 4,937,328 km (0.103 R)
• M7: 5,351,714 km (0.089 R)
• M8: 9,897,994 km (0.104 R)
• M9: 10,455,395 km (0.108 R)
• M10: 12,254,160 km (0.098 R)
• M11: 15,628,789 km (0.085 R)
• M12: 17,455,678 km (0.105 R)
• M13: 21,112,448 km (0.105 R)
• M14: 23,606,993 km (0.105 R)
• M15: 24,146,592 km (0.1 R)
• M16: 26,195,934 km (0.064 R)
• M17: 32,370,436 km (0.118 R)
• M18: 33,825,425 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775

Radius: 12.6

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.99 AU - 10.55 AU

Year: 11903 Days

Day: 5.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,867,645 km

• M1: 156,629 km (0.043 R)
• M2: 697,276 km (0.118 R)
• M3: 1,294,919 km (0.097 R)
• M4: 1,872,068 km (0.082 R)
• M5: 2,355,418 km (0.111 R)
• M6: 3,154,122 km (0.104 R)
• M7: 4,271,618 km (0.081 R)
• M8: 5,119,538 km (0.074 R)
• M9: 5,566,238 km (0.112 R)
• M10: 6,778,280 km (0.099 R)
• M11: 7,360,963 km (0.066 R)
• M12: 7,977,007 km (0.105 R)
• M13: 8,532,015 km (0.105 R)
• M14: 12,360,823 km (0.055 R)
• M15: 14,344,940 km (0.11 R)
• M16: 18,774,084 km (0.053 R)
• M17: 19,261,923 km (0.064 R)
• M18: 26,397,891 km (0.118 R)
• M19: 27,947,126 km (0.114 R)
• M20: 29,995,570 km (0.068 R)
• M21: 33,312,304 km (0.043 R)
• M22: 34,997,973 km (0.095 R)
• M23: 36,111,131 km (0.107 R)
• M24: 40,665,488 km (0.108 R)
• M25: 46,619,184 km (0.082 R)
• M26: 47,514,677 km (0.075 R)
• M27: 51,845,536 km (0.092 R)
• M28: 52,967,968 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 904.6

Radius: 3.4

Gravity: 78.25 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 17.18 AU - 18.06 AU

Year: 26748 Days

Day: 17.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,867,645 km

• M1: 42,336 km (0.118 R)
• M2: 159,471 km (0.078 R)
• M3: 275,260 km (0.072 R)
• M4: 781,798 km (0.09 R)
• M5: 1,407,866 km (0.057 R)
• M6: 1,606,083 km (0.038 R)
• M7: 1,927,269 km (0.112 R)
• M8: 3,268,863 km (0.09 R)
• M9: 4,348,062 km (0.074 R)
• M10: 4,967,846 km (0.088 R)
• M11: 6,190,509 km (0.084 R)
• M12: 7,281,976 km (0.064 R)
• M13: 9,334,159 km (0.089 R)
• M14: 15,553,092 km (0.055 R)
• M15: 16,169,884 km (0.11 R)
• M16: 20,217,255 km (0.091 R)
• M17: 21,486,593 km (0.089 R)
• M18: 22,584,192 km (0.119 R)
• M19: 26,595,210 km (0.072 R)
• M20: 27,859,462 km (0.102 R)
• M21: 27,988,116 km (0.096 R)
• M22: 38,006,985 km (0.071 R)
• M23: 42,774,669 km (0.081 R)
• M24: 45,746,879 km (0.116 R)
• M25: 48,295,578 km (0.102 R)
• M26: 51,903,580 km (0.073 R)
• M27: 56,919,147 km (0.113 R)
• M28: 59,864,131 km (0.115 R)
• M29: 60,940,039 km (0.09 R)
• M30: 66,743,090 km (0.104 R)
• M31: 74,872,837 km (0.082 R)
• M32: 89,658,641 km (0.076 R)
• M33: 91,633,333 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.2

Radius: 7.5

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 16.15 AU - 20.69 AU

Year: 28591 Days

Day: 20.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,867,645 km

• M1: 93,499 km (0.057 R)
• M2: 382,821 km (0.084 R)
• M3: 1,659,340 km (0.069 R)
• M4: 3,188,679 km (0.099 R)
• M5: 4,054,850 km (0.111 R)
• M6: 4,637,235 km (0.101 R)
• M7: 10,507,156 km (0.099 R)
• M8: 11,045,708 km (0.112 R)
• M9: 20,849,455 km (0.104 R)
• M10: 22,572,374 km (0.073 R)
• M11: 26,054,713 km (0.1 R)
• M12: 27,796,032 km (0.077 R)
• M13: 36,141,499 km (0.082 R)
• M14: 37,833,451 km (0.109 R)
• M15: 39,738,580 km (0.088 R)
• M16: 47,271,581 km (0.082 R)
• M17: 48,000,122 km (0.112 R)
• M18: 55,501,109 km (0.096 R)
• M19: 62,646,652 km (0.102 R)
• M20: 85,540,960 km (0.039 R)
• M21: 98,239,725 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.7

Radius: 3.6

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 19.6 AU - 19.76 AU

Year: 31574 Days

Day: 18.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,867,645 km

• M1: 44,730 km (0.066 R)
• M2: 475,272 km (0.089 R)
• M3: 1,467,705 km (0.07 R)
• M4: 1,804,599 km (0.044 R)
• M5: 3,821,777 km (0.105 R)
• M6: 6,983,677 km (0.107 R)
• M7: 11,789,659 km (0.106 R)
• M8: 19,766,217 km (0.048 R)
• M9: 21,539,101 km (0.104 R)
• M10: 23,608,788 km (0.104 R)
• M11: 25,499,705 km (0.111 R)
• M12: 29,579,538 km (0.097 R)
• M13: 30,490,589 km (0.049 R)
• M14: 33,950,040 km (0.109 R)
• M15: 34,571,769 km (0.044 R)
• M16: 37,397,673 km (0.105 R)
• M17: 39,273,929 km (0.101 R)
• M18: 40,096,867 km (0.084 R)
• M19: 55,556,161 km (0.078 R)

Kuiper Belt

Range: 30.3 - 51.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 16,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit