🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.69 AU - 1.03 AU

Year: 297 Days

Day: 17.8 Hours

Environment

Temp: 97 °C

Axial Tilt: 6.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 89,942,287 km

• M1: 31,864 km (0.089 R)
• M2: 46,974 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.76 AU - 1.04 AU

Year: 318 Days

Day: 15.9 Hours

Environment

Temp: 40 °C

Axial Tilt: 13.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 89,942,287 km

• M1: 44,281 km (0.062 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.87 AU - 1.03 AU

Year: 345 Days

Day: 19 Hours

Environment

Temp: 14 °C

Axial Tilt: 21.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.86 AU - 1.3 AU

Year: 418 Days

Day: 42.2 Hours

Environment

Temp: 18 °C

Axial Tilt: 35.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.17 AU - 1.19 AU

Year: 478 Days

Day: 44.2 Hours

Environment

Temp: 7 °C

Axial Tilt: 118.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.92 AU - 3.9 AU

Year: 2347 Days

Day: 47.1 Hours

Environment

Temp: -115 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.37 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.5

Radius: 10.2

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.9 AU - 7.76 AU

Year: 7398 Days

Day: 6.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,942,287 km

• M1: 137,331 km (0.068 R)
• M2: 835,355 km (0.113 R)
• M3: 1,258,118 km (0.117 R)
• M4: 1,692,700 km (0.1 R)
• M5: 2,457,743 km (0.116 R)
• M6: 3,004,673 km (0.05 R)
• M7: 3,611,741 km (0.077 R)
• M8: 4,232,573 km (0.039 R)
• M9: 4,851,010 km (0.064 R)
• M10: 5,245,201 km (0.092 R)
• M11: 5,876,653 km (0.107 R)
• M12: 6,887,336 km (0.046 R)
• M13: 7,322,816 km (0.091 R)
• M14: 9,513,826 km (0.078 R)
• M15: 9,976,084 km (0.096 R)
• M16: 10,493,543 km (0.084 R)
• M17: 12,977,466 km (0.114 R)
• M18: 14,033,028 km (0.046 R)
• M19: 17,315,804 km (0.102 R)
• M20: 21,931,347 km (0.091 R)
• M21: 22,875,310 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.3

Radius: 6.1

Gravity: 22.07 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 11.02 AU - 13.22 AU

Year: 15729 Days

Day: 24.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,942,287 km

• M1: 75,846 km (0.099 R)
• M2: 570,417 km (0.084 R)
• M3: 946,057 km (0.108 R)
• M4: 1,475,633 km (0.116 R)
• M5: 1,685,220 km (0.09 R)
• M6: 5,394,350 km (0.093 R)
• M7: 7,876,029 km (0.09 R)
• M8: 13,222,956 km (0.074 R)
• M9: 13,638,090 km (0.063 R)
• M10: 14,494,538 km (0.116 R)
• M11: 15,310,444 km (0.097 R)
• M12: 18,194,991 km (0.071 R)
• M13: 21,233,922 km (0.043 R)
• M14: 24,698,758 km (0.049 R)
• M15: 27,616,066 km (0.034 R)
• M16: 38,286,134 km (0.074 R)
• M17: 38,706,055 km (0.097 R)
• M18: 38,987,599 km (0.099 R)
• M19: 42,027,727 km (0.092 R)
• M20: 43,377,698 km (0.109 R)
• M21: 52,261,268 km (0.053 R)
• M22: 56,129,570 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.4

Radius: 6.5

Gravity: 22.12 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 13.99 AU - 16.89 AU

Year: 22617 Days

Day: 20.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,942,287 km

• M1: 81,980 km (0.114 R)
• M2: 469,887 km (0.099 R)
• M3: 728,542 km (0.103 R)
• M4: 1,361,789 km (0.101 R)
• M5: 1,922,333 km (0.073 R)
• M6: 2,266,857 km (0.087 R)
• M7: 3,399,462 km (0.109 R)
• M8: 4,604,323 km (0.091 R)
• M9: 4,868,214 km (0.116 R)
• M10: 5,142,128 km (0.109 R)
• M11: 5,593,165 km (0.049 R)
• M12: 6,115,112 km (0.085 R)
• M13: 7,770,413 km (0.116 R)
• M14: 8,090,851 km (0.086 R)
• M15: 17,387,611 km (0.082 R)
• M16: 18,875,661 km (0.088 R)
• M17: 20,345,909 km (0.073 R)
• M18: 22,422,776 km (0.087 R)
• M19: 23,958,099 km (0.115 R)
• M20: 25,096,688 km (0.115 R)
• M21: 29,494,716 km (0.084 R)
• M22: 31,874,968 km (0.105 R)
• M23: 32,558,181 km (0.05 R)
• M24: 37,164,001 km (0.116 R)
• M25: 40,570,643 km (0.115 R)
• M26: 42,678,477 km (0.085 R)
• M27: 45,888,997 km (0.111 R)
• M28: 57,078,170 km (0.065 R)
• M29: 69,042,110 km (0.073 R)
• M30: 69,955,555 km (0.072 R)
• M31: 71,108,505 km (0.057 R)
• M32: 74,404,296 km (0.054 R)
• M33: 81,045,394 km (0.086 R)
• M34: 86,740,286 km (0.098 R)
• M35: 91,319,178 km (0.059 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.7

Radius: 4.8

Gravity: 26.42 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 17.39 AU - 17.59 AU

Year: 27267 Days

Day: 18 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 89,942,287 km

• M1: 63,878 km (0.113 R)
• M2: 226,940 km (0.06 R)
• M3: 420,968 km (0.083 R)
• M4: 666,459 km (0.072 R)
• M5: 834,008 km (0.12 R)
• M6: 1,083,537 km (0.096 R)
• M7: 1,271,432 km (0.068 R)
• M8: 1,464,114 km (0.094 R)
• M9: 1,848,581 km (0.05 R)
• M10: 2,251,897 km (0.115 R)
• M11: 2,510,851 km (0.084 R)
• M12: 2,922,843 km (0.119 R)
• M13: 4,080,880 km (0.1 R)
• M14: 6,862,653 km (0.105 R)
• M15: 8,359,978 km (0.09 R)
• M16: 8,980,809 km (0.114 R)
• M17: 11,295,088 km (0.057 R)
• M18: 13,823,442 km (0.052 R)
• M19: 14,529,843 km (0.026 R)
• M20: 15,095,622 km (0.073 R)
• M21: 15,425,485 km (0.053 R)
• M22: 15,676,062 km (0.116 R)
• M23: 16,185,143 km (0.061 R)
• M24: 19,571,590 km (0.082 R)
• M25: 22,857,208 km (0.067 R)
• M26: 23,182,883 km (0.072 R)
• M27: 23,401,745 km (0.099 R)
• M28: 28,073,088 km (0.087 R)
• M29: 28,446,484 km (0.094 R)
• M30: 32,776,445 km (0.066 R)
• M31: 61,521,227 km (0.074 R)
• M32: 61,730,813 km (0.071 R)
• M33: 65,148,227 km (0.072 R)
• M34: 72,590,871 km (0.115 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 12,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit