🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.49 AU - 0.79 AU

Year: 184 Days

Day: 19.5 Hours

Environment

Temp: 181 °C

Axial Tilt: 20.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.49 AU - 2.37 AU

Year: 965 Days

Day: 39 Hours

Environment

Temp: -54 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.22 AU - 2.6 AU

Year: 1346 Days

Day: 39.4 Hours

Environment

Temp: -79 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.92 AU - 3.18 AU

Year: 1465 Days

Day: 13.6 Hours

Environment

Temp: -87 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.88 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.2

Radius: 14.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.14 AU - 6.28 AU

Year: 4280 Days

Day: 5.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,300,047 km

• M1: 181,013 km (0.109 R)
• M2: 791,074 km (0.079 R)
• M3: 1,373,308 km (0.097 R)
• M4: 1,991,596 km (0.114 R)
• M5: 3,262,131 km (0.112 R)
• M6: 4,704,703 km (0.113 R)
• M7: 5,422,773 km (0.077 R)
• M8: 6,933,861 km (0.073 R)
• M9: 9,017,012 km (0.099 R)
• M10: 9,723,562 km (0.079 R)
• M11: 13,917,987 km (0.053 R)
• M12: 14,766,507 km (0.05 R)
• M13: 16,463,246 km (0.097 R)
• M14: 17,628,463 km (0.104 R)
• M15: 18,622,093 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.6

Radius: 8.1

Gravity: 15.08 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.98 AU - 5.92 AU

Year: 4579 Days

Day: 10.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,300,047 km

• M1: 101,427 km (0.048 R)
• M2: 389,553 km (0.085 R)
• M3: 760,855 km (0.03 R)
• M4: 1,020,257 km (0.074 R)
• M5: 1,407,118 km (0.054 R)
• M6: 2,495,292 km (0.113 R)
• M7: 3,285,768 km (0.07 R)
• M8: 3,605,458 km (0.076 R)
• M9: 4,717,868 km (0.051 R)
• M10: 5,616,353 km (0.09 R)
• M11: 8,872,949 km (0.108 R)
• M12: 9,580,397 km (0.077 R)
• M13: 11,634,825 km (0.117 R)
• M14: 12,329,557 km (0.062 R)
• M15: 13,692,992 km (0.085 R)
• M16: 13,966,308 km (0.086 R)
• M17: 14,523,859 km (0.07 R)
• M18: 14,980,432 km (0.119 R)
• M19: 15,446,728 km (0.074 R)
• M20: 17,281,396 km (0.098 R)
• M21: 18,317,212 km (0.065 R)
• M22: 18,850,379 km (0.105 R)
• M23: 19,947,530 km (0.062 R)
• M24: 21,746,444 km (0.114 R)
• M25: 23,338,913 km (0.114 R)
• M26: 27,267,952 km (0.065 R)
• M27: 27,527,355 km (0.102 R)
• M28: 28,138,761 km (0.079 R)
• M29: 31,426,922 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.8

Radius: 11.5

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 8.32 AU - 9.86 AU

Year: 9863 Days

Day: 5.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,300,047 km

• M1: 143,016 km (0.076 R)
• M2: 610,060 km (0.119 R)
• M3: 1,027,588 km (0.025 R)
• M4: 1,570,329 km (0.032 R)
• M5: 2,123,691 km (0.074 R)
• M6: 2,783,418 km (0.108 R)
• M7: 3,649,889 km (0.112 R)
• M8: 4,201,307 km (0.11 R)
• M9: 6,053,029 km (0.081 R)
• M10: 6,562,410 km (0.074 R)
• M11: 6,982,630 km (0.05 R)
• M12: 8,846,620 km (0.068 R)
• M13: 9,943,322 km (0.064 R)
• M14: 11,075,030 km (0.116 R)
• M15: 12,119,971 km (0.09 R)
• M16: 14,214,939 km (0.079 R)
• M17: 17,106,517 km (0.089 R)
• M18: 19,654,617 km (0.098 R)
• M19: 20,530,513 km (0.101 R)
• M20: 22,019,759 km (0.114 R)
• M21: 22,964,470 km (0.085 R)
• M22: 26,151,054 km (0.108 R)
• M23: 26,629,019 km (0.109 R)
• M24: 27,015,730 km (0.099 R)
• M25: 28,298,232 km (0.097 R)
• M26: 43,971,901 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.8

Radius: 5.3

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 12.55 AU - 17.87 AU

Year: 21348 Days

Day: 23.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,300,047 km

• M1: 70,311 km (0.066 R)
• M2: 481,855 km (0.043 R)
• M3: 929,003 km (0.089 R)
• M4: 1,177,485 km (0.104 R)
• M5: 1,997,281 km (0.113 R)
• M6: 3,169,081 km (0.106 R)
• M7: 3,521,983 km (0.107 R)
• M8: 7,922,254 km (0.095 R)
• M9: 14,749,752 km (0.099 R)
• M10: 15,445,531 km (0.091 R)
• M11: 17,280,499 km (0.11 R)
• M12: 17,975,231 km (0.062 R)
• M13: 43,781,163 km (0.056 R)

Kuiper Belt

Range: 30.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 10,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit