🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.53 AU - 0.55 AU

Year: 151 Days

Day: 18.6 Hours

Environment

Temp: 209 °C

Axial Tilt: 8.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.76 AU - 0.82 AU

Year: 267 Days

Day: 39.7 Hours

Environment

Temp: 119 °C

Axial Tilt: 24.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,669,848 km

• M1: 136,134 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.15 AU - 1.25 AU

Year: 501 Days

Day: 35 Hours

Environment

Temp: -35 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.51 AU - 4.43 AU

Year: 3012 Days

Day: 20.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.6

Radius: 9.2

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.23 AU - 6.03 AU

Year: 4425 Days

Day: 14.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,669,848 km

• M1: 114,592 km (0.066 R)
• M2: 420,220 km (0.072 R)
• M3: 768,484 km (0.062 R)
• M4: 1,178,382 km (0.063 R)
• M5: 1,497,624 km (0.08 R)
• M6: 1,932,206 km (0.084 R)
• M7: 2,302,012 km (0.076 R)
• M8: 2,748,562 km (0.111 R)
• M9: 3,909,740 km (0.057 R)
• M10: 4,341,330 km (0.038 R)
• M11: 5,464,661 km (0.106 R)
• M12: 5,854,213 km (0.106 R)
• M13: 6,236,137 km (0.092 R)
• M14: 6,965,726 km (0.05 R)
• M15: 8,433,730 km (0.114 R)
• M16: 9,223,457 km (0.104 R)
• M17: 9,706,359 km (0.117 R)
• M18: 10,573,428 km (0.117 R)
• M19: 11,295,836 km (0.108 R)
• M20: 12,132,088 km (0.098 R)
• M21: 15,219,040 km (0.108 R)
• M22: 15,602,160 km (0.078 R)
• M23: 17,045,481 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.3

Radius: 9.5

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.7 AU - 8.78 AU

Year: 9007 Days

Day: 13.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,669,848 km

• M1: 118,781 km (0.105 R)
• M2: 681,119 km (0.064 R)
• M3: 2,086,890 km (0.035 R)
• M4: 3,028,160 km (0.11 R)
• M5: 3,674,273 km (0.104 R)
• M6: 5,508,343 km (0.06 R)
• M7: 6,073,075 km (0.067 R)
• M8: 8,198,113 km (0.115 R)
• M9: 9,319,199 km (0.104 R)
• M10: 10,969,114 km (0.113 R)
• M11: 11,812,248 km (0.077 R)
• M12: 14,660,442 km (0.097 R)
• M13: 15,256,440 km (0.081 R)
• M14: 16,243,337 km (0.06 R)
• M15: 18,966,168 km (0.062 R)
• M16: 23,317,671 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.5

Radius: 10.8

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.12 AU - 9.12 AU

Year: 10488 Days

Day: 9.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,669,848 km

• M1: 134,339 km (0.065 R)
• M2: 1,340,247 km (0.11 R)
• M3: 2,986,273 km (0.107 R)
• M4: 3,884,608 km (0.074 R)
• M5: 4,703,955 km (0.093 R)
• M6: 9,647,866 km (0.114 R)
• M7: 12,471,077 km (0.082 R)
• M8: 14,831,133 km (0.074 R)
• M9: 17,078,991 km (0.096 R)
• M10: 21,391,299 km (0.105 R)
• M11: 22,005,996 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.8

Radius: 4.3

Gravity: 14.21 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 17.63 AU - 18.73 AU

Year: 29518 Days

Day: 22.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,669,848 km

• M1: 55,800 km (0.039 R)
• M2: 245,789 km (0.12 R)
• M3: 765,193 km (0.045 R)
• M4: 2,026,004 km (0.07 R)
• M5: 2,818,873 km (0.058 R)
• M6: 3,593,490 km (0.078 R)
• M7: 4,140,420 km (0.055 R)
• M8: 8,274,408 km (0.111 R)
• M9: 11,774,699 km (0.076 R)
• M10: 12,362,918 km (0.113 R)
• M11: 12,630,399 km (0.066 R)
• M12: 15,834,037 km (0.113 R)
• M13: 16,957,068 km (0.086 R)
• M14: 19,092,578 km (0.062 R)
• M15: 22,871,270 km (0.067 R)
• M16: 25,685,805 km (0.074 R)
• M17: 26,231,089 km (0.09 R)
• M18: 26,672,852 km (0.036 R)
• M19: 28,258,290 km (0.038 R)
• M20: 31,491,399 km (0.104 R)
• M21: 32,241,782 km (0.096 R)
• M22: 32,748,769 km (0.1 R)
• M23: 33,389,796 km (0.105 R)
• M24: 40,121,102 km (0.034 R)
• M25: 41,002,832 km (0.056 R)
• M26: 44,658,704 km (0.101 R)
• M27: 46,244,143 km (0.074 R)
• M28: 51,741,416 km (0.093 R)
• M29: 64,811,183 km (0.071 R)
• M30: 69,964,830 km (0.116 R)
• M31: 71,241,049 km (0.092 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 15,707 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit