🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.71 AU - 0.93 AU

Year: 260 Days

Day: 21 Hours

Environment

Temp: 157 °C

Axial Tilt: 105.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.43 AU - 1.69 AU

Year: 682 Days

Day: 15 Hours

Environment

Temp: -19 °C

Axial Tilt: 45.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.02 AU - 2.36 AU

Year: 1134 Days

Day: 34.8 Hours

Environment

Temp: -67 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.19 AU - 2.23 AU

Year: 1149 Days

Day: 19.3 Hours

Environment

Temp: -65 °C

Axial Tilt: 93.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,375,500 km

• M1: 19,149 km (0.034 R)

Asteroid Belt

Center: 4.12 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.9

Radius: 13.3

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.96 AU - 7.1 AU

Year: 5180 Days

Day: 11.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 72.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,375,500 km

• M1: 165,455 km (0.067 R)
• M2: 686,505 km (0.063 R)
• M3: 1,483,562 km (0.107 R)
• M4: 2,859,115 km (0.113 R)
• M5: 4,259,799 km (0.112 R)
• M6: 5,737,976 km (0.098 R)
• M7: 7,318,777 km (0.062 R)
• M8: 7,755,752 km (0.079 R)
• M9: 13,089,963 km (0.105 R)
• M10: 13,518,412 km (0.118 R)
• M11: 15,742,932 km (0.072 R)
• M12: 19,626,642 km (0.113 R)
• M13: 22,468,703 km (0.049 R)
• M14: 27,797,828 km (0.065 R)
• M15: 29,410,642 km (0.114 R)
• M16: 30,990,246 km (0.086 R)
• M17: 31,945,429 km (0.03 R)
• M18: 32,625,800 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.5

Radius: 12.3

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.88 AU - 9.16 AU

Year: 9477 Days

Day: 9.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,375,500 km

• M1: 167,699 km (0.088 R)
• M2: 664,663 km (0.054 R)
• M3: 1,213,089 km (0.068 R)
• M4: 1,803,402 km (0.045 R)
• M5: 2,502,922 km (0.111 R)
• M6: 2,991,957 km (0.059 R)
• M7: 4,246,784 km (0.092 R)
• M8: 5,165,465 km (0.09 R)
• M9: 7,599,871 km (0.077 R)
• M10: 10,154,853 km (0.109 R)
• M11: 14,220,026 km (0.068 R)
• M12: 14,665,528 km (0.088 R)
• M13: 16,058,434 km (0.052 R)
• M14: 18,952,554 km (0.092 R)
• M15: 20,361,916 km (0.104 R)
• M16: 23,125,587 km (0.036 R)
• M17: 33,796,702 km (0.058 R)
• M18: 36,811,249 km (0.047 R)
• M19: 43,237,225 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.6

Radius: 9.2

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.42 AU - 11.38 AU

Year: 10083 Days

Day: 13.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,375,500 km

• M1: 116,986 km (0.058 R)
• M2: 423,512 km (0.059 R)
• M3: 1,303,147 km (0.1 R)
• M4: 2,004,911 km (0.067 R)
• M5: 2,707,721 km (0.072 R)
• M6: 3,116,423 km (0.097 R)
• M7: 3,492,362 km (0.096 R)
• M8: 3,872,042 km (0.074 R)
• M9: 5,052,518 km (0.106 R)
• M10: 5,472,889 km (0.053 R)
• M11: 5,777,320 km (0.06 R)
• M12: 6,645,287 km (0.08 R)
• M13: 6,992,354 km (0.115 R)
• M14: 7,310,998 km (0.067 R)
• M15: 9,193,238 km (0.102 R)
• M16: 9,673,597 km (0.102 R)
• M17: 11,819,728 km (0.102 R)
• M18: 14,584,895 km (0.069 R)
• M19: 15,438,500 km (0.069 R)
• M20: 17,534,965 km (0.104 R)
• M21: 24,221,391 km (0.055 R)
• M22: 24,952,925 km (0.049 R)
• M23: 26,077,452 km (0.082 R)
• M24: 26,845,787 km (0.113 R)
• M25: 31,993,300 km (0.075 R)
• M26: 32,762,682 km (0.049 R)
• M27: 40,891,381 km (0.077 R)
• M28: 42,716,924 km (0.064 R)
• M29: 44,732,456 km (0.107 R)

Kuiper Belt

Range: 31.4 - 59.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 17,636 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit