🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.77 AU - 0.97 AU

Year: 285 Days

Day: 12.3 Hours

Environment

Temp: 156 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.98 AU - 1.16 AU

Year: 389 Days

Day: 19.1 Hours

Environment

Temp: 127 °C

Axial Tilt: 7.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.97 AU - 1.57 AU

Year: 503 Days

Day: 46.7 Hours

Environment

Temp: 1 °C

Axial Tilt: 34.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 67,788,208 km

• M1: 70,909 km (0.071 R)
• M2: 226,342 km (0.073 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.47 AU - 1.53 AU

Year: 646 Days

Day: 19.7 Hours

Environment

Temp: -12 °C

Axial Tilt: 14.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.44 AU - 2.58 AU

Year: 1398 Days

Day: 31 Hours

Environment

Temp: -67 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.92 AU - 4.46 AU

Year: 3014 Days

Day: 43.2 Hours

Environment

Temp: -110 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.5

Radius: 14.5

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 9.3 AU - 10.22 AU

Year: 10717 Days

Day: 5.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,788,208 km

• M1: 180,265 km (0.071 R)
• M2: 712,385 km (0.119 R)
• M3: 1,446,163 km (0.094 R)
• M4: 1,925,773 km (0.059 R)
• M5: 2,742,727 km (0.082 R)
• M6: 3,417,264 km (0.086 R)
• M7: 5,406,168 km (0.095 R)
• M8: 7,245,174 km (0.108 R)
• M9: 9,935,393 km (0.056 R)
• M10: 11,133,074 km (0.106 R)
• M11: 13,107,317 km (0.049 R)
• M12: 14,011,935 km (0.062 R)
• M13: 14,479,578 km (0.082 R)
• M14: 16,529,518 km (0.093 R)
• M15: 17,740,213 km (0.058 R)
• M16: 20,593,493 km (0.108 R)
• M17: 21,905,467 km (0.098 R)
• M18: 22,810,534 km (0.059 R)
• M19: 27,092,025 km (0.083 R)
• M20: 28,240,787 km (0.113 R)
• M21: 29,969,390 km (0.105 R)
• M22: 31,997,189 km (0.064 R)
• M23: 35,701,681 km (0.049 R)
• M24: 43,808,988 km (0.093 R)
• M25: 46,861,982 km (0.095 R)
• M26: 50,209,683 km (0.066 R)
• M27: 52,581,557 km (0.042 R)
• M28: 53,226,474 km (0.112 R)
• M29: 55,692,146 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.4

Radius: 8.9

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 9.73 AU - 12.75 AU

Year: 13244 Days

Day: 11.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,788,208 km

• M1: 110,702 km (0.045 R)
• M2: 486,343 km (0.075 R)
• M3: 1,132,157 km (0.058 R)
• M4: 3,389,439 km (0.097 R)
• M5: 5,522,705 km (0.119 R)
• M6: 6,504,366 km (0.115 R)
• M7: 7,466,131 km (0.096 R)
• M8: 13,023,841 km (0.111 R)
• M9: 15,031,145 km (0.086 R)
• M10: 16,255,903 km (0.083 R)
• M11: 19,565,158 km (0.114 R)
• M12: 20,414,574 km (0.088 R)
• M13: 26,340,295 km (0.062 R)
• M14: 32,843,614 km (0.057 R)
• M15: 35,146,225 km (0.075 R)
• M16: 36,273,594 km (0.086 R)
• M17: 36,910,283 km (0.071 R)
• M18: 41,300,531 km (0.107 R)
• M19: 47,224,457 km (0.113 R)
• M20: 47,831,077 km (0.112 R)
• M21: 53,362,458 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.4

Radius: 5.6

Gravity: 14.08 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 13.92 AU - 16.6 AU

Year: 20951 Days

Day: 24.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,788,208 km

• M1: 76,744 km (0.039 R)
• M2: 341,831 km (0.103 R)
• M3: 548,875 km (0.05 R)
• M4: 1,140,534 km (0.105 R)
• M5: 1,738,327 km (0.088 R)
• M6: 2,166,177 km (0.08 R)
• M7: 3,555,642 km (0.091 R)
• M8: 5,304,890 km (0.099 R)
• M9: 6,618,210 km (0.036 R)
• M10: 12,025,874 km (0.043 R)
• M11: 18,581,103 km (0.051 R)
• M12: 19,805,113 km (0.096 R)
• M13: 20,619,823 km (0.063 R)
• M14: 34,095,449 km (0.075 R)
• M15: 35,264,257 km (0.083 R)
• M16: 56,675,453 km (0.047 R)
• M17: 60,734,791 km (0.105 R)

Kuiper Belt

Range: 31.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 17,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit