🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.91 AU - 1.39 AU

Year: 446 Days

Day: 41.9 Hours

Environment

Temp: 13 °C

Axial Tilt: 1.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1 AU - 1.44 AU

Year: 487 Days

Day: 14.3 Hours

Environment

Temp: 8 °C

Axial Tilt: 0.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.28 AU - 1.4 AU

Year: 561 Days

Day: 42.6 Hours

Environment

Temp: 7 °C

Axial Tilt: 39.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.28 AU - 4.98 AU

Year: 3035 Days

Day: 41 Hours

Environment

Temp: -123 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,648,967 km

• M1: 81,232 km (0.078 R)

Asteroid Belt

Center: 4.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.9

Radius: 13.9

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.42 AU - 6.86 AU

Year: 4844 Days

Day: 14.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,648,967 km

• M1: 209,287 km (0.104 R)
• M2: 1,031,777 km (0.082 R)
• M3: 1,844,392 km (0.086 R)
• M4: 2,469,262 km (0.104 R)
• M5: 3,107,148 km (0.049 R)
• M6: 4,193,228 km (0.098 R)
• M7: 6,036,424 km (0.088 R)
• M8: 7,075,979 km (0.116 R)
• M9: 9,020,303 km (0.107 R)
• M10: 9,976,981 km (0.048 R)
• M11: 12,410,939 km (0.037 R)
• M12: 15,376,118 km (0.047 R)
• M13: 19,213,453 km (0.092 R)
• M14: 19,836,378 km (0.108 R)
• M15: 22,258,966 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989

Radius: 3.4

Gravity: 85.55 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 9.79 AU - 15.47 AU

Year: 16233 Days

Day: 18.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 23,648,967 km

• M1: 42,336 km (0.092 R)
• M2: 1,614,610 km (0.069 R)
• M3: 2,122,644 km (0.102 R)
• M4: 2,492,899 km (0.081 R)
• M5: 2,681,243 km (0.095 R)
• M6: 5,196,581 km (0.042 R)
• M7: 5,465,109 km (0.053 R)
• M8: 5,622,636 km (0.075 R)
• M9: 5,905,675 km (0.064 R)
• M10: 6,500,177 km (0.105 R)
• M11: 6,766,760 km (0.114 R)
• M12: 7,274,346 km (0.058 R)
• M13: 7,906,397 km (0.063 R)
• M14: 8,107,905 km (0.11 R)
• M15: 10,317,017 km (0.096 R)
• M16: 19,100,806 km (0.067 R)
• M17: 23,974,854 km (0.08 R)
• M18: 26,025,093 km (0.058 R)
• M19: 29,255,060 km (0.109 R)
• M20: 29,616,190 km (0.092 R)
• M21: 39,055,067 km (0.098 R)
• M22: 48,109,927 km (0.091 R)
• M23: 54,379,724 km (0.075 R)
• M24: 56,027,993 km (0.086 R)
• M25: 66,001,533 km (0.102 R)
• M26: 67,666,109 km (0.098 R)
• M27: 69,145,333 km (0.036 R)
• M28: 71,295,652 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.5

Radius: 4.1

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 13.11 AU - 13.19 AU

Year: 17246 Days

Day: 19.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,648,967 km

• M1: 51,013 km (0.057 R)
• M2: 230,680 km (0.084 R)
• M3: 377,585 km (0.05 R)
• M4: 620,532 km (0.092 R)
• M5: 833,111 km (0.092 R)
• M6: 1,226,104 km (0.072 R)
• M7: 1,600,996 km (0.119 R)
• M8: 1,900,192 km (0.059 R)
• M9: 4,633,644 km (0.091 R)
• M10: 5,267,790 km (0.091 R)
• M11: 6,842,457 km (0.062 R)
• M12: 8,076,789 km (0.105 R)
• M13: 8,827,471 km (0.095 R)
• M14: 23,204,724 km (0.09 R)
• M15: 26,284,495 km (0.11 R)
• M16: 26,880,045 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679

Radius: 5.1

Gravity: 26.11 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 11.68 AU - 18.94 AU

Year: 21665 Days

Day: 23.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,648,967 km

• M1: 65,374 km (0.062 R)
• M2: 403,316 km (0.108 R)
• M3: 1,485,058 km (0.057 R)
• M4: 1,726,210 km (0.086 R)
• M5: 2,399,550 km (0.12 R)
• M6: 5,778,218 km (0.098 R)
• M7: 12,102,318 km (0.075 R)
• M8: 18,122,735 km (0.073 R)
• M9: 29,535,407 km (0.094 R)
• M10: 30,659,186 km (0.106 R)
• M11: 33,929,994 km (0.093 R)
• M12: 35,162,232 km (0.082 R)
• M13: 38,889,014 km (0.09 R)
• M14: 40,389,929 km (0.103 R)
• M15: 44,309,992 km (0.1 R)
• M16: 46,612,453 km (0.06 R)
• M17: 50,565,875 km (0.049 R)
• M18: 57,577,528 km (0.071 R)
• M19: 61,113,872 km (0.06 R)
• M20: 68,615,607 km (0.115 R)
• M21: 72,586,682 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16.6

Radius: 5.3

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 12.88 AU - 18.3 AU

Year: 22262 Days

Day: 18.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,648,967 km

• M1: 73,004 km (0.079 R)
• M2: 306,825 km (0.069 R)
• M3: 992,881 km (0.104 R)
• M4: 2,007,155 km (0.064 R)
• M5: 2,258,180 km (0.09 R)
• M6: 2,806,606 km (0.074 R)
• M7: 3,968,233 km (0.07 R)
• M8: 5,109,066 km (0.083 R)
• M9: 5,340,195 km (0.088 R)
• M10: 7,095,427 km (0.098 R)
• M11: 7,948,733 km (0.044 R)
• M12: 8,224,442 km (0.045 R)
• M13: 13,212,035 km (0.117 R)
• M14: 18,730,850 km (0.058 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 10,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit